Disclosure of Invention
Based on this, it is necessary to provide a solution dehumidifying evaporative water chiller and a solution dehumidifying air conditioner.
A solution dehumidifying and evaporating water chiller comprises a solution dehumidifying unit, an evaporating and cooling unit, a solution concentrating and regenerating unit, a vacuum condensing unit and a heat supply unit; the solution dehumidifying unit is used for dehumidifying ambient air entering the solution dehumidifying and evaporating cold water machine in a solution dehumidifying mode; the evaporative cooling unit is used for cooling the circulating water of the air conditioner in an evaporative cooling mode to obtain cold water; the solution concentration regeneration unit is used for concentrating the dehumidified solution with reduced concentration after the air dehumidification treatment in the solution dehumidification unit, and then conveying the concentrated dehumidified solution to the solution dehumidification unit for recycling; the heat supply unit is used for providing a heat source for the solution concentration regeneration unit.
According to the solution dehumidifying and evaporating water chiller, the heat supply unit is matched with the solution concentrating and regenerating unit to repeatedly utilize the dehumidifying solution, so that the solution concentrating and regenerating can be realized, and various low-temperature heat sources as low as about 40 ℃ can be used, so that the utilization range and the utilization efficiency of the heat sources can be greatly improved, the energy efficiency of solution dehumidifying, evaporating and cooling is improved, and the effect of solution dehumidifying, evaporating and outputting cold water by combining solution dehumidifying and evaporating cooling is improved.
In one embodiment, the heating unit comprises a solar heat source; the solar heat source comprises a solar module, a phase-change heat storage module, an input pipeline, an output pipeline and a first conveying pump; the input pipeline is communicated with a first connecting end of a condensation structure of the solution concentration regeneration unit so as to convey a heat exchange medium in the condensation structure to the solar module; the solar module is used for heating the heat exchange medium by utilizing solar energy and conveying the heated heat exchange medium to the phase change heat storage module; the phase change heat storage module is used for storing the heated heat exchange medium, and the heated heat exchange medium is output to the second connecting end of the condensation structure through the output pipeline under the action of the first conveying pump.
In one embodiment, the heating unit comprises a heat pump; the heat pump comprises an evaporator, a compressor, a throttle valve, a hot end input pipeline, a hot end output pipeline, a cold end input pipeline, a cold end output pipeline and a fourth delivery pump; the cold end of the evaporator obtains cold water of an air conditioner water supply pipeline of the evaporative cooling unit through the cold end input pipeline under the action of the fourth conveying pump, and is communicated with a water outlet of the solution dehumidifying and evaporating cold water machine through the cold end output pipeline; the hot end of the evaporator is communicated with the first connecting end of the condensing structure of the solution concentration regeneration unit through the hot end input pipeline and the throttle valve, and is communicated with the second connecting end of the condensing structure through the hot end output pipeline and the compressor.
In one embodiment, the heating unit comprises a solar heat source in addition to the heat pump; the solar heat source comprises a solar module, a phase-change heat storage module, an input pipeline, an output pipeline and a first conveying pump; the input pipeline is communicated with a first connecting end of a condensation structure of the solution concentration regeneration unit so as to convey a heat exchange medium in the condensation structure to the solar module; the solar module is used for heating the heat exchange medium by utilizing solar energy and conveying the heated heat exchange medium to the phase change heat storage module; the phase change heat storage module is used for storing the heated heat exchange medium, and the heated heat exchange medium is output to the second connecting end of the condensation structure through the output pipeline under the action of the first conveying pump.
In one embodiment, the solution dehumidifying and evaporating cold water machine further comprises a third conveying pump, wherein the third conveying pump is used for conveying the heat exchange medium heated by the heat supply unit to the condensing structure of the solution condensing and regenerating unit; and/or the evaporation cooling unit works in a cross flow mode, the solution dehumidifying unit works in a countercurrent mode or a cross flow mode, and the vacuum condensing unit works in a cross flow mode.
In one embodiment, the vacuum condensing unit comprises a gas-liquid heat exchanger, a vacuum pump, a condensing water tank, a water outlet pipeline and a gas-liquid separator; the upper end of the gas-liquid heat exchanger is connected with the gas outlet end of the solution concentration regeneration unit through a steam pipe and is used for inputting high-temperature steam formed by concentration of the solution concentration regeneration unit; the lower end of the gas-liquid heat exchanger is connected with the gas-liquid separator through the water outlet pipeline and is used for outputting water and residual water vapor which are subjected to evaporative cooling to the gas-liquid separator; the gas-liquid separator is respectively connected with the vacuum pump and the condensate water tank, and the condensate water tank is provided with a condensate drain pipe for draining water.
In one embodiment, the solution dehumidifying unit comprises a liquid inlet pipeline, a solution circulating pump, a solution distributor, a dehumidifying filler structure, a liquid collecting disc and a solution water tank; the solution concentration regeneration unit conveys the concentrated dehumidified solution with increased concentration to the liquid inlet pipeline through a liquid inlet end, and the liquid inlet pipeline conveys the dehumidified solution to the solution distributor through the solution circulating pump; the dehumidifying filler structure is arranged adjacent to an air inlet or an air filtering unit of the solution dehumidifying and evaporating water chiller, the solution distributor is arranged above the dehumidifying filler structure, and the solution distributor is used for distributing the dehumidifying solution to the dehumidifying filler structure; the dehumidifying filler structure is arranged above the liquid collecting disc, and the liquid collecting disc is used for collecting the dehumidifying solution subjected to the dehumidifying treatment on the air in the dehumidifying filler structure and conveying the dehumidifying solution to the solution water tank; and/or the evaporative cooling unit comprises an air conditioner water return pipeline, an air conditioner water supply pipeline, an evaporative water distributor, an evaporative filler structure, a water collecting disc, an air conditioner cooling water tank and a water supplementing valve; the water inlet of the solution dehumidifying and evaporating water chiller is communicated with the evaporating water distributor through the air conditioner water return pipeline, and the water outlet of the solution dehumidifying and evaporating water chiller is communicated with the air conditioner cooling water tank through the air conditioner water supply pipeline; the evaporation filler structure is arranged between the solution dehumidifying unit and the vacuum condensing unit, the evaporation water distributor is arranged above the evaporation filler structure, and the evaporation water distributor is used for distributing the air conditioner circulating water to the evaporation filler structure; the evaporation filler structure is positioned above the water collecting disc, and the water collecting disc is used for collecting cold water which flows out of the evaporation filler structure and is cooled with air passing through the solution dehumidifying unit in an evaporation cooling mode and then is conveyed to the air conditioner cooling water tank; the water supplementing valve is respectively communicated with the air conditioner cooling water tank and an external water pipe and is used for supplementing the air conditioner circulating water; and/or the solution concentration regeneration unit comprises a recovery pipeline, a regeneration pipeline, an evaporator, a condensation structure and a solution concentration circulating pump; one end of the recovery pipeline is communicated with a solution water tank of the solution dehumidification unit through a liquid outlet end, and the other end of the recovery pipeline is communicated with the evaporator; one end of the regeneration pipeline is communicated with a liquid inlet end through the solution concentration circulating pump, and is communicated with a liquid inlet pipeline of the solution dehumidifying unit through the liquid inlet end, and the other end of the regeneration pipeline is communicated with the evaporator; the heat exchange coil of the condensing structure is at least partially arranged in the inner cavity of the evaporator so as to be in contact with the dehumidifying solution in the inner cavity, and steam generated after part of moisture in the dehumidifying solution is evaporated is conveyed to the vacuum condensing unit through the air outlet end and the steam pipe; the dehumidification solution in the inner cavity enters the liquid inlet pipeline through the regeneration pipeline under the action of the solution concentration circulating pump.
In one embodiment, the solution dehumidifying and evaporating water chiller further comprises an air filtering unit and an air supply unit, wherein the air filtering unit is used for filtering air entering the solution dehumidifying and evaporating water chiller; the air supply unit is used for sending out air which sequentially passes through the air filtering unit, the solution dehumidifying unit, the evaporative cooling unit and the vacuum condensing unit.
In one embodiment, the solution dehumidifying evaporative water chiller further includes a housing, and the solution dehumidifying unit, the evaporative cooling unit, the solution concentrating and regenerating unit, and the air supply unit are at least partially disposed in the housing; the air filter unit is arranged at the air inlet of the shell, and the air supply position of the air supply unit is arranged at the air outlet of the shell.
In one embodiment, a solution dehumidifying air conditioner includes an air conditioning assembly and any one of the solution dehumidifying evaporative coolers, wherein cold water obtained by the evaporative cooling unit is delivered to the air conditioning assembly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments or the conventional techniques of the present application, the drawings required for the descriptions of the embodiments or the conventional techniques will be briefly described below, and it is apparent that the drawings in the following descriptions are only some embodiments of the present application, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of a solution dehumidifying and evaporating chiller according to the present application.
Fig. 2 is a schematic structural diagram of another embodiment of the solution dehumidifying and evaporating chiller according to the present application.
Fig. 3 is a schematic structural diagram of another embodiment of the solution dehumidifying and evaporating chiller according to the present application.
Fig. 4 is a schematic structural diagram of another embodiment of the solution dehumidifying and evaporating chiller according to the present application.
Fig. 5 is a schematic structural diagram of another embodiment of the solution dehumidifying and evaporating chiller according to the present application.
Fig. 6 is a schematic structural diagram of the solar heat source of the embodiment shown in fig. 5.
Fig. 7 is a schematic structural diagram of another embodiment of the solution dehumidifying and evaporating chiller according to the present application.
Fig. 8 is a schematic structural view of the heat pump of the embodiment shown in fig. 7.
Fig. 9 is a schematic structural diagram of a solution concentrating and regenerating unit of another embodiment of the solution dehumidifying and evaporating chiller according to the present application.
Fig. 10 is a schematic view of a part of a solution dehumidifying and evaporating chiller according to another embodiment of the present application.
Fig. 11 is a schematic diagram of the solution dehumidifying unit of the embodiment shown in fig. 10.
Fig. 12 is a schematic diagram of the structure of the evaporative cooling unit of the embodiment shown in fig. 10.
Fig. 13 is a schematic view of a part of the structure of the embodiment shown in fig. 10.
Reference numerals: the air filter unit 100, the solution dehumidifying unit 200, the evaporative cooling unit 300, the solution concentrating and regenerating unit 400, the air supply structure 500, the vacuum condensing unit 600, the heat supply unit 700, the dehumidifying solution 800, the shell 900, the air inlet F1 and the air outlet F2;
a liquid inlet pipe 210, a solution circulating pump 230, a solution distributor 240, a dehumidifying filler structure 250, a liquid collecting tray 260, a solution tank 270, a steam trap 280, a water outlet 271, a detecting member 272 and a conducting wire 273;
an air conditioner return water pipeline 310, an air conditioner water supply pipeline 320, an evaporation water distributor 340, an evaporation filler structure 350, a water collecting disc 360, an air conditioner cooling water tank 370, a water supplementing level 371, a water supplementing valve 380, air conditioner circulating water 390, a water inlet S1 and a water outlet S2;
the recovery pipe 410, the regeneration pipe 420, the throttle valve 430, the evaporator 440, the output end 441, the inner cavity 442, the demister 450, the condensation structure 460, the solution concentration circulating pump 470, the steam pipe 481, the support frame 490, the liquid inlet end D1, the liquid outlet end D2, the air outlet end D3, the second connecting end D4 and the first connecting end D5;
a gas-liquid heat exchanger 610, a vacuum pump 620, a condensate water tank 630, a condensate drain 631, a water outlet pipe 640, a gas-liquid separator 650; a solar heat source 710, a heat pump 720, a third transfer pump 740, an air-conditioning cooling water circulation pump 750, an output pump 760, and a check valve 770;
Solar module 711, phase change thermal storage module 712, input pipe 713, output pipe 714, first transfer pump 715, second transfer pump 716, evaporator 721, compressor 722, throttle 723, hot side input pipe 724, hot side output pipe 725, cold side input pipe 726, cold side output pipe 727, fourth transfer pump 728, cold side 729, hot side 730.
Detailed Description
In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the application, whereby the application is not limited to the specific embodiments disclosed below.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and the like are used in the description of the present application for the purpose of illustration only and do not represent the only embodiment.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" on a second feature may be that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact through intermedial media. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely under the second feature, or simply indicating that the first feature is less level than the second feature. Unless defined otherwise, all technical and scientific terms used in the specification of the present application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used in the description of the present application includes any and all combinations of one or more of the associated listed items.
The application discloses a solution dehumidifying and evaporating water chiller, which comprises a part of or all of the structures of the following embodiments; namely, the solution dehumidifying and evaporating water chiller comprises part or all of the following technical features. In one embodiment of the present application, a solution dehumidifying evaporative water chiller is shown in fig. 1, which includes a solution dehumidifying unit 200, an evaporative cooling unit 300, a solution concentrating and regenerating unit 400, a vacuum condensing unit 600 and a heating unit 700; the solution dehumidifying unit 200 is configured to dehumidify ambient air entering the solution dehumidifying evaporative water chiller in a solution dehumidifying manner; the evaporative cooling unit 300 is used for cooling the air-conditioning circulating water 390 by adopting an evaporative cooling mode to obtain cold water; the solution concentration regeneration unit 400 is configured to concentrate the dehumidified solution 800 with reduced concentration after the air dehumidification treatment in the solution dehumidification unit 200, and then convey the concentrated solution to the solution dehumidification unit 200 for recycling; the heat supply unit 700 is used to provide a heat source for the solution concentrating and regenerating unit 400. It is understood that the inlet and outlet directions of the solution concentrating and regenerating unit 400 and the heating unit 700 may be different for the heat sources of the different heating units 700. In this embodiment, cold water obtained by cooling is output through the water outlet S2, and the air-conditioning circulating water 390 is input into the evaporative cooling unit 300 through the water inlet S1. According to the solution dehumidifying and evaporating water chiller, the heat supply unit is matched with the solution concentrating and regenerating unit to repeatedly utilize the dehumidifying solution, so that the solution concentrating and regenerating can be realized, and various low-temperature heat sources as low as about 40 ℃ can be used, so that the utilization range and the utilization efficiency of the heat sources can be greatly improved, the energy efficiency of solution dehumidifying, evaporating and cooling is improved, and the effect of solution dehumidifying, evaporating and outputting cold water is improved.
Further, the solution concentrating and regenerating unit 400 is further configured to convey the water vapor formed by concentration to the vacuum condensing unit 600 for evaporative cooling. Further, the solution concentrating and regenerating unit 400 is further configured to convey the heat exchange medium cooled after heat exchange to the heat supply unit 700, and the heat supply unit 700 continues to perform heat treatment on the heat exchange medium. Further, the heat supply unit 700 is configured to provide a high-temperature heat exchange medium to the solution concentration and regeneration unit 400, so as to evaporate water vapor in the dehumidified solution 800 having a reduced concentration after the air dehumidification treatment in the solution concentration and regeneration unit 400, thereby achieving concentration. In one embodiment, the solution concentrating and regenerating unit 400 includes the heating unit 700. The design is beneficial to recycling the heat exchange medium. In one embodiment, the heat exchange medium comprises water, alcohols, ketones or esters, and only needs to have large specific heat capacity and good fluidity under the premise of safe use. By the design, the heat exchange medium is fully utilized, the application cost and the use complexity are reduced, and the integrated product is favorable for being provided as a systematic solution.
Further, in one embodiment, the solution concentrating and regenerating unit 400 adopts a vacuum concentrating mode, and the cold air generated by the evaporative cooling unit 300 is used to condense the vacuum evaporated steam, so that the working efficiency of the vacuum pump is improved. Further, in one embodiment, the vacuum condensing unit 600 is used for condensing water vapor into water, and the vacuum pump in the protector reduces the load of the vacuum pump, and the heat generated by condensation is taken away by the cold air generated after evaporation and cooling. In one embodiment, the solution concentrating regeneration unit 400 includes the vacuum condensing unit 600. Further, in one embodiment, the vacuum condensing unit 600 performs dual gas-liquid heat exchange by adopting a steam endothermic evaporation mode and a gas-liquid contact evaporation mode, and performs a cooling treatment on the air. The application is an important application point, on one hand, cold water can be output, and on the other hand, cold water can be output, so that two purposes can be achieved; on the other hand, the water vapor generated when the solution concentration regeneration unit 400 concentrates the dehumidified solution 800 is fully utilized, and the heat of the external environment of the absorption tube when the water vapor in the tube is condensed and the low dew point of the dry air are fully utilized, so that the energy efficiency is improved.
Further, in one embodiment, the solution dehumidifying and evaporating water chiller further includes an air filtering unit for filtering air entering the solution dehumidifying and evaporating water chiller, i.e. ambient air. In one embodiment, as shown in fig. 2, unlike the embodiment shown in fig. 1, the solution dehumidifying and evaporating water chiller further includes an air filtering unit 100 and an air supply unit 500, where the air filtering unit 100 is used for filtering air entering the solution dehumidifying and evaporating water chiller; the air supply unit 500 is configured to supply air sequentially passing through the air filter unit 100, the solution dehumidifying unit 200, the evaporative cooling unit 300, and the vacuum condensing unit 600. In one embodiment, the air filter unit 100 is an air filter or a structural member containing the air filter, etc. Further, the air supply unit 500 is configured to send out air cooled by evaporation. The air supply unit 500 supplies air to the outside at the air outlet F2, so that the external air enters the solution dehumidifying and evaporating water chiller from the air inlet F1 through the air filtering unit 100 and reaches the solution dehumidifying unit 200. In each embodiment, the air inlet F1 and the air outlet F2 may be integrated in the installation environment, or may be configured as separate structural members, or may be integrally disposed on other structures, such as a housing. Further, in one embodiment, the solution dehumidifying and evaporating cold water machine further includes an air intake structure for sending external air to the air filtering unit 100, and entering the solution dehumidifying and evaporating cold water machine through the air filtering unit 100 to reach the solution dehumidifying unit 200. The design is favorable for improving the air quantity of the inlet air in a hot environment, and is favorable for improving the evaporative cooling effect of the evaporative cooling unit 300 after being matched with the solution dehumidifying unit 200 and the solution concentrating and regenerating unit 400 for dehumidifying and removing water; especially for the data center, because the IT equipment during operation, the air outlet temperature is higher, because the available natural cold source time is also longer, so the solution dehumidification evaporation chiller can exert ITs advantage more when the high temperature region is operated, is favorable to using as solution dehumidification air conditioner. Specifically, the air conditioning circulating water 390 is cooled in an evaporation manner to obtain cold water and high humidity air, and the air supply unit 500 sends the high humidity air out. In one embodiment, the air supply unit 500 is a fan or a structural member including the fan. The air supply unit 500 is matched with the air filtering unit 100, so that the amount of air entering the solution dehumidifying evaporative water chiller to dehumidify the solution dehumidifying unit 200 is increased.
In one embodiment, as shown in fig. 3, unlike the embodiment shown in fig. 2, the solution dehumidifying and evaporating chiller further includes a third transfer pump 740, where the third transfer pump 740 is used to transfer the heat exchange medium heated by the heat supply unit 700 to the condensation structure of the solution concentrating and regenerating unit 400, that is, the heat exchange medium heated by the heat supply unit 700 is input into the condensation structure of the solution concentrating and regenerating unit 400 under the action of the third transfer pump 740; in other embodiments, the pumping direction of the third pump 740 may be opposite, or disposed at the other end. Further, in this embodiment, the solution dehumidifying evaporative water chiller further includes an air-conditioning cooling water circulation pump 750 and/or an output pump 760, the air-conditioning circulating water 390 input from the water inlet S1 enters the evaporative cooling unit 300 or the air-conditioning cooling water tank thereof under the action of the air-conditioning cooling water circulation pump 750, and the cooled water obtained after cooling in the evaporative cooling unit 300 or the air-conditioning cooling water tank thereof is output through the water outlet S2 under the action of the output pump 760.
In one embodiment, as shown in fig. 4, unlike the embodiment shown in fig. 2, the solution dehumidifying and evaporating water chiller further includes a housing 900, and the solution dehumidifying unit 200, the evaporating and cooling unit 300, the solution concentrating and regenerating unit 400 and the air supply unit 500 are at least partially disposed in the housing 900. In this embodiment, the solution dehumidifying and evaporating chiller further includes the third pump 740 and the check valve 770, and the conveying direction is shown in the figure.
In one embodiment, as shown in fig. 4 and 10, the solution dehumidifying evaporative water chiller further includes a housing 900, and the solution dehumidifying unit 200, the evaporative cooling unit 300, the solution concentrating and regenerating unit 400 and the air supply unit 500 are at least partially disposed in the housing 900; the air filter unit 100 is disposed at an air inlet F1 of the housing 900, and an air supply position of the air supply unit 500 is disposed at an air outlet F2 of the housing 900. When the solution dehumidifying evaporative water chiller is installed in a specific environment, for example, a certain sealed space is provided for the solution dehumidifying unit 200, the evaporative cooling unit 300 and the air supply unit 500 to transmit the air filtered by the air filtering unit 100, the housing 900 may not be used; when a complete product is formed instead of a solution, the housing 900 may be used to form a relatively independent part structure, and the input and output of the dehumidifying solution 800 and the air-conditioning circulating water 390 may be realized by matching pipes, and the solution concentrating and regenerating unit 400 may be fully or partially disposed outside the housing 900 and be communicated with the solution dehumidifying unit 200 through the recovery pipe 410 and the regenerating pipe 420. The pipes include a liquid inlet pipe 210, a water outlet pipe 640, an air conditioner water return pipe 310, an air conditioner water supply pipe 320, a recovery pipe 410, a regeneration pipe 420, and the like.
In one embodiment, as shown in fig. 5, unlike the embodiment shown in fig. 4, in the solution dehumidifying and evaporating water chiller, the heat supply unit 700 is a solar heat source 710 or the heat supply unit 700 includes a solar heat source 710; referring to fig. 6 and 9, the solar heat source 710 includes a solar module 711, a phase-change heat storage module 712, an input pipe 713, an output pipe 714, a first transfer pump 715, a second transfer pump 716, and two check valves 770; the input pipeline 713 is communicated with the second connection end D4 of the condensation structure 460 of the solution concentration regeneration unit 400, so as to convey the heat exchange medium in the condensation structure 460 to the solar module 711; the solar module 711 is configured to heat a heat exchange medium by using solar energy and convey the heated heat exchange medium to the phase change heat storage module 712; the phase change heat storage module 712 is configured to store the heated heat exchange medium, and output the heat exchange medium to the first connection end D5 of the condensation structure 460 through the output pipe 714 under the action of the first transfer pump 715, and pass through a check valve 770 to avoid backflow; and also flows back to the solar module 711 by the second transfer pump 716 and the other check valve 770. In this embodiment, a coil is disposed inside the phase-change heat storage module, a phase-change material and a water pipe are disposed in the coil, the solar collector provides hot water, the hot water flows into the water pipe to melt the phase-change material in the phase-change heat storage module, and the cold water conveyed from the evaporator 440 flows into the water pipe to solidify the phase-change material; for example, the solidification end point of the phase change material is 45-60 degrees, so that after the phase change material is solidified completely at night, a heat source is not provided, and after the phase change material is liquefied completely at daytime, the heat storage capacity is not provided; the water circulating inside the water pipe is heat exchanged through the water pipe such as coil pipe and phase change material, and the circulating water needs to be added with antifreeze in cold places. By the design, the vacuum solution concentrated solution regeneration device adopting the solar phase-change heat collection mode as a heat source can utilize low-temperature solar heat sources as low as about 40 ℃.
In one embodiment, as shown in fig. 7, unlike the embodiment shown in fig. 4, in the solution dehumidifying and evaporating chiller, the heat supply unit 700 is a heat pump 720 or the heat supply unit 700 includes a heat pump 720; referring to fig. 8 and 9, the heat pump 720 includes an evaporator 721, a compressor 722, a throttle 723, a hot side input pipe 724, a hot side output pipe 725, a cold side input pipe 726, a cold side output pipe 727, and a fourth transfer pump 728; the cold end 729 of the evaporator 721 obtains cold water of the air-conditioning water supply pipeline 320 of the evaporative cooling unit 300 through the cold end input pipeline 726 under the action of the fourth delivery pump 728, and is communicated with the water outlet S2 of the solution dehumidifying and evaporating cold water machine through the cold end output pipeline 727; the hot end 730 of the evaporator 721 is connected to the first connection D5 of the condensing structure 460 of the solution concentrating and regenerating unit 400 through the hot end input pipe 724 and the throttle valve 723, and is connected to the second connection D4 of the condensing structure 460 through the hot end output pipe 725 and the compressor 722. By means of the design, the vacuum solution concentrated solution regeneration device adopting the heat pump mode to generate the heat source is provided, and the device can simultaneously utilize the cold source generated by the heat pump to cool the air conditioner cooling circulating water, so that the working efficiency of the system can be greatly improved. It should be noted that, the evaporator 440 is different between the solar heat source 710 and the heat pump 720, that is, the first connection end D5 and the second connection end D4, that is, the refrigerant and the water are different, and it is necessary to treat the refrigerant differently, the evaporator 440 is a condenser for the refrigerant, the incoming gas is the liquid to flow from the top, the hot water is the liquid to flow from the bottom, the hot water is the hot water to flow from the top, the heat pump is the cold source, the refrigerant undergoes a phase change in the condenser of the evaporator tank to condense into the liquid, the heat is released, the phase change heat storage system is the heat source, and the hot water flows into the heating coil of the evaporator tank after cooling.
In one embodiment, the heating unit 700 includes a solar heat source 710 in addition to the heat pump 720; i.e. the heating unit 700 comprises both a solar heat source 710 and a heat pump 720. The rest of the embodiments are analogized and will not be described in detail. Further, in one embodiment, the heat supply unit 700 further includes a first gate valve, a second gate valve, and a third gate valve that are disposed in linkage; a first end of the first gate valve is connected to the second connection end D4, a second end is connected to the output pipe 714, and a third end is connected to the hot end output pipe 725; the first end of the second gate valve is connected with the first connecting end D5, the second end is connected with the input pipeline 713, and the third end is connected with the hot end input pipeline 724; the first end of the third gate valve is connected with the air conditioner water supply pipeline 320, the second end is connected with the water outlet S2, the third end is connected with the cold end input pipeline 726, and the first gate valve, the second gate valve and the third gate valve are connected in linkage and are communicated with the first end and the second end or are communicated with the first end and the third end. Further, in one embodiment, the solution dehumidifying and evaporating chiller further includes a brightness sensor and a control unit, where the control unit is respectively connected to the brightness sensor, the first gate valve, the second gate valve and the third gate valve, and the control unit is configured to control the first gate valve, the second gate valve and the third gate valve in a coordinated manner according to an ambient brightness signal of the brightness sensor, that is, to communicate with the first end and the second end at the same time, or to communicate with the first end and the third end at the same time, so as to select the solar heat source 710 and/or the heat pump 720 as the heat supply unit 700. The design is beneficial to selecting natural solar energy when sunlight is sufficient, selecting a heat pump when sunlight is insufficient and refrigeration is needed, and simultaneously selecting solar energy and the heat pump when refrigeration requirement is high, so that the overall energy consumption is reduced while the refrigeration capacity is ensured. In addition, the solution dehumidifying and evaporating cold water machine adopting the low-temperature vacuum concentration regeneration mode can fully utilize solar energy, a heat pump or other low-grade heat sources, and because the dehumidifying solution regeneration is carried out by adopting the vacuum concentration mode, the low-temperature heat source with the temperature as low as about 40 ℃ can be used, the utilization efficiency of the solar heat source can be greatly improved, and the energy efficiency of the heat pump mode solution dehumidifying, evaporating and cooling can be improved.
In one embodiment, as shown in fig. 9, the solution concentrating and regenerating unit 400 includes a recovery pipe 410, a regeneration pipe 420, an evaporator 440, a condensing structure 460, and a solution concentrating and circulating pump 470; referring to fig. 10, one end of the recovery pipe 410 is connected to the solution tank 270 of the solution dehumidifying unit 200 through the outlet end D2, and the other end is connected to the evaporator 440; one end of the regeneration pipe 420 is communicated with a liquid inlet end D1 through the solution concentration circulating pump 470, and is communicated with the liquid inlet pipe 210 of the solution dehumidifying unit 200 through the liquid inlet end D1, and the other end is communicated with the evaporator 440; the condensation structure 460 or the heat exchange coil thereof is at least partially disposed in the inner cavity 442 of the evaporator 440 so as to contact the dehumidifying solution 800 in the inner cavity 442, and the steam generated after the evaporation of part of the moisture in the dehumidifying solution 800 is delivered to the vacuum condensation unit 600 through the air outlet D3 and the steam pipe 481; the dehumidified solution 800 in the cavity 442 enters the inlet line 210 through the regeneration line 420 by the solution concentrate circulation pump 470. I.e., after losing the portion of the moisture, the dehumidified solution 800 in the interior cavity 442 enters the inlet conduit 210 through the regeneration conduit 420 under the action of the solution concentrate circulation pump 470. Further, the condensing structure 460 includes a condensing duct, a condensing coil, and a condensing loop. The condensation structure 460 is used for inputting a heat exchange medium heated by the heat supply unit 700, and exchanging heat of the dehumidified solution 800 with reduced concentration after the air dehumidification treatment in the inner cavity 442 of the evaporator 440, so as to evaporate part of water therein to form water vapor, namely water vapor formed by concentration; the condensation structure 460 is further configured to convey the heat exchange medium cooled after heat exchange to the heat supply unit 700, so that the heat exchange medium is heated in the heat supply unit 700, and thus is reused.
Further, the solution concentrating and regenerating unit 400 is further provided with an external vacuum pump, which is disposed outside the evaporator 440, and in one embodiment, the external vacuum pump is communicated with the evaporator 440, the gas-liquid heat exchanger of the vacuum condensing unit 600 and the condensate tank of the vacuum condensing unit 600 through a steam pipe 481 and a three-way valve; in one embodiment, the solution concentrating and regenerating unit 400 further includes a demister 450 connected to the external vacuum pump, the demister 450 may be disposed in the evaporator 440 or may be disposed outside the evaporator 440, and the demister 450, the external vacuum pump and the condensate tank are sequentially connected through a steam pipe 481, in this embodiment, the demister 450 is disposed in the evaporator 440. In one embodiment, the demister 450 is sequentially connected to the external vacuum pump and the condensate tank through a steam pipe 481; alternatively, the demister 450 is sequentially connected to the external vacuum pump, the three-way valve and the condensate tank through a steam pipe 481. It is understood that a condensing structure 460, such as a condensing coil, and a demister 450 may be included as a component of the evaporator 440, i.e., the evaporator 440 may include the condensing structure 460 and the demister 450. In one embodiment, the external vacuum pump is a magnetic levitation vacuum pump or an air levitation vacuum pump. In one embodiment, the external vacuum pump may be a turbine. The evaporator 440 includes a shell-and-tube heat exchanger and a plate heat exchanger, and fig. 9 shows a flooded evaporator in the shell-and-tube heat exchanger, and a falling film evaporator in the shell-and-tube heat exchanger may also be used in practical applications, or a plate heat exchanger may also be used.
In one embodiment, as shown in fig. 9, the solution dehumidifying evaporative cooling machine further comprises a support frame 490, and the evaporator 440 is disposed on the support frame 490. The support frame 490 may be made of stainless steel or aluminum alloy, and the support frame 490 may include only a plurality of support members separately provided in view of cost. The use of the support frame 490 facilitates the positioning of the output 441 of the evaporator 440 at the bottom of the evaporator 440 to facilitate the output of the concentrated regenerated dehumidified solution 800.
In one embodiment, the solution concentrating and regenerating unit 400 further includes a three-way valve disposed between the external vacuum pump and the condensate tank, wherein a first end of the three-way valve is connected to the external vacuum pump, a second end of the three-way valve is connected to the condensate tank or the gas-liquid heat exchanger or the gas-liquid separator of the vacuum condensing unit, and a third end of the three-way valve is communicated with an external environment, i.e., the second end of the three-way valve is directly connected to the condensate tank, or is connected to the condensate tank through the gas-liquid separator, or is connected to the condensate tank through the gas-liquid heat exchanger and the gas-liquid separator; the solution dehumidifying and evaporating chiller or the solution concentrating and regenerating unit 400 is configured to control the temperature and concentration of the dehumidifying solution 800 in the inner cavity 442 of the evaporator 440 by controlling the communication state of the three-way valve, wherein the evaporating moisture of the dehumidifying solution 800 directly or indirectly enters the condensing water tank in the state that the inner cavity 442 is communicated with the condensing water tank through the three-way valve, and the evaporating moisture of the dehumidifying solution 800 enters the external environment or the condensing water tank in the state that the inner cavity 442 is communicated with the external air through the three-way valve; the larger the valve of the three-way valve is opened, the more moisture is released to the external environment or the condensate tank, and the lower the solution temperature corresponding to the dehumidifying solution 800. In one embodiment, the third end of the three-way valve is directly connected to the external air or the drain pipe, so that the evaporated moisture of the dehumidifying solution 800 directly enters the external air or the drain pipe; further, in one embodiment, in cooperation with an embodiment having a control module, the control module is connected to the three-way valve, and controls the working load of the external vacuum pump by controlling the communication state and the communication proportion of the three-way valve, so as to control the concentration of the dehumidifying solution 800 in the inner cavity 442 and the solution tank 270, further adjust the humidity of the air subjected to the dehumidifying treatment according to the concentration of the dehumidifying solution 800, and finally control the outlet water temperature of the air-conditioning circulating water 390 in the air-conditioning cooling water tank 370 in an evaporating manner, and the other embodiments are not repeated. In other embodiments, the control module may be further connected to the three-way valve and the external vacuum pump, respectively. For embodiments with a demister 450, the three-way valve is disposed between the demister 450 and the condensate tank. By such design, the concentration of the dehumidifying solution 800 is controllable, so that the relative humidity of the air in the solution dehumidifying and evaporating chiller is controllable, thereby lowering the dew point, and further improving the effect of evaporative cooling, so that the outlet water temperature of the air conditioning circulating water 390 in the air conditioning cooling water tank 370 can be adjusted.
The solution dehumidifying unit 200 is configured to dehumidify air using the dehumidifying solution 800, for example, dehumidify air filtered in the air filtering unit 100; and the filtered air entering the solution dehumidifying and evaporating water chiller is dehumidified. In one embodiment, the dehumidifying solution 800 may be a solution using existing solution dehumidifying technology, such as lithium bromide, lithium chloride, calcium chloride, diethylene glycol, triethylene glycol, tetraethylene glycol, dipropylene glycol, propylene glycol, glycerol, etc., and is suitable for the solution concentrating and regenerating unit 400 to concentrate and remove water for safe use. In one embodiment, as shown in fig. 10 and 11, the solution dehumidifying unit 200 includes a liquid inlet pipe 210, a solution circulating pump 230, a solution distributor 240, a dehumidifying packing structure 250, a liquid collecting tray 260 and a solution tank 270; the solution concentration regeneration unit 400 conveys the concentrated dehumidified solution 800 with increased concentration to the liquid inlet pipeline 210 through a liquid inlet end D1, and the liquid inlet pipeline 210 conveys the dehumidified solution 800 to the solution distributor 240 through the solution circulating pump 230; the dehumidifying filler structure 250 is disposed adjacent to the air inlet of the solution dehumidifying evaporative water chiller or the air filtering unit 100, i.e. the dehumidifying filler structure 250 is disposed at the other side of the air filtering unit 100 in the air inlet direction, so that the external air is dehumidified at the dehumidifying filler structure 250 after being filtered by the air filtering unit 100. The solution distributor 240 is disposed above the dehumidifying filler structure 250, and the solution distributor 240 is configured to distribute the dehumidifying solution 800 to the dehumidifying filler structure 250, or apply the dehumidifying solution 800 in a spraying or dripping manner; the dehumidifying effect of the dehumidifying solution 800 can be omitted herein with reference to the conventional art. The dehumidifying filler structure 250 is disposed above the drip pan 260, and the drip pan 260 is configured to collect the dehumidified solution 800 after the air is dehumidified in the dehumidifying filler structure 250 and convey the dehumidified solution to the solution tank 270, at this time, the dehumidified solution 800 absorbs moisture and has a reduced concentration, and if the concentration is reduced to a certain extent, the moisture absorption capacity of the air is reduced, so that when the concentration is reduced, for example, below a certain threshold value, the solution concentration and regeneration unit 400 is required to concentrate the dehumidified solution 800 after the air is dehumidified, remove part of the moisture, and regenerate the dehumidified solution so as to be capable of being reused.
In this embodiment, the solution dehumidifying unit 200 further includes a solution circulating pump 230, and the solution circulating pump 230 is connected to the liquid inlet pipe 210, so as to pump the dehumidified solution 800 into the liquid inlet pipe 210 and convey the dehumidified solution to the solution distributor 240. Further, the liquid inlet pipe 210 is also connected to the solution tank 270. Thus, when the concentration of the dehumidifying solution 800 is not greatly reduced and the dehumidifying solution is reusable, for example, when the air humidity of the use environment is low, the solution circulation pump 230 directly pumps the dehumidifying solution 800 from the solution tank 270 to the solution distributor 240 or to the liquid inlet pipe 210 for delivery to the solution distributor 240, and the solution concentration and regeneration unit 400 is not required at this time, which is beneficial to saving energy consumption and improving the energy efficiency of the solution dehumidifying and evaporating water chiller.
Further, in this embodiment, the solution tank 270 is provided with a water outlet 271, and the solution tank 270 is connected to the liquid outlet D2 through the water outlet 271 and is connected to the recovery pipe 410 of the solution concentrating and regenerating unit 400 through the liquid outlet D2; the solution dehumidifying unit 200 further includes a steam trap 280 disposed at the water outlet 271, wherein the steam trap 280 is used for adjusting the liquid level. The solution dehumidifying unit 200 further includes a detecting member 272 disposed in the solution tank 270, the detecting member 272 is connected to the throttle valve 430 of the solution concentrating and regenerating unit 400 through a wire 273, the detecting member 272 is configured to close the throttle valve 430 when the dehumidified solution 800 in the solution tank 270 is lower than the water outlet 271, and open the throttle valve 430 to convey the dehumidified solution 800 in the solution tank 270 into the evaporator 440 when the dehumidified solution 800 in the solution tank 270 is higher than the water outlet 271. That is, the throttle valve 430 is configured to automatically close when the dehumidifying solution 800 in the solution tank 270 is lower than the sensing position 271. In one embodiment, the throttle valve 430 is further connected to the detecting member 272 in the solution tank 270 through a wire 273, for automatically opening to feed the dehumidifying solution 800 in the solution tank 270 into the evaporator 440 when the dehumidifying solution 800 in the solution tank 270 is accumulated to a predetermined position. In one embodiment, the sensing element 272 is implemented using a resistive mating sensor. Such a design is advantageous in that the solution tank 270 is prevented from overflowing, thereby ensuring the safety of the use of the solution tank 270.
In one embodiment, the steam trap 280 is a ball-cock, which is used to only drain the liquid and prevent air leakage, i.e. drain the condensed water in the solution tank 270, but the steam is not drained, so as to facilitate the smooth outflow of the dehumidifying solution 800; further, the steam trap 280 includes a drain valve and a level control valve for regulating the liquid level and allowing only the liquid to flow out without leakage.
In one embodiment, the recovery pipe 410 is respectively connected to the solution tank 270 and the evaporator 440 of the solution dehumidifying unit 200; that is, two ends or an inlet and an outlet of the recovery pipe 410 are respectively connected to the solution tank 270 and the evaporator 440 of the solution dehumidifying unit 200, for example, one end of the recovery pipe 410 is connected to the solution tank 270, and the other end is connected to the evaporator 440; the regeneration pipe 420 is connected to the liquid inlet pipe 210 and the solution circulation pump 230 of the solution dehumidifying unit 200, and is also connected to the solution concentration circulation pump 470 and the evaporator 440; for example, the regeneration pipe 420, the solution circulation pump 230, and the liquid inlet pipe 210 of the solution dehumidifying unit 200 are sequentially connected, and the regeneration pipe 420, the solution concentration circulation pump 470, and the evaporator 440 are sequentially connected. In this embodiment, the regeneration pipe 420 is connected to an output port 441 at the bottom of the evaporator 440.
In one embodiment, as shown in fig. 10 and 12, the evaporative cooling unit 300 includes an air conditioner water return pipe 310, an air conditioner water supply pipe 320, an evaporative water distributor 340, an evaporative packing structure 350, a water collecting tray 360, an air conditioner cooling water tank 370 and a water replenishing valve 380; the water inlet S1 of the solution dehumidifying and evaporating water chiller is communicated with the evaporating water distributor 340 through the air conditioner water return pipeline 310, and the water outlet S2 of the solution dehumidifying and evaporating water chiller is communicated with the air conditioner cooling water tank 370 through the air conditioner water supply pipeline 320; the evaporation filler structure 350 is disposed between the solution dehumidifying unit 200 and the vacuum condensing unit 600, the evaporation water distributor 340 is disposed above the evaporation filler structure 350, the evaporation water distributor 340 is configured to distribute the air-conditioning circulating water 390 to the evaporation filler structure 350, and the air-conditioning circulating water 390 may be applied in a spraying or dripping manner; the application modes include, but are not limited to, dripping, slow flow, spraying, and the like. In this embodiment, the solution dehumidifying evaporative water chiller or the evaporative cooling unit 300 further includes an air-conditioning cooling water circulation pump 750, the air-conditioning water return pipe 310 is communicated with the evaporative water distributor 340 through the air-conditioning cooling water circulation pump 750, and the air-conditioning cooling water circulation pump 750 is used for pumping the used cooling water into the evaporative water distributor 340 through the air-conditioning water return pipe 310 to be recycled as circulating water. The air conditioner water return pipe 310 is provided with a water inlet S1 to communicate with an external water inlet pipe, and the air conditioner water supply pipe 320 is provided with a water outlet S2 to communicate with an external water outlet pipe. The evaporative cooling unit 300 is configured to cool the air-conditioning circulating water 390 by evaporation using the air dehumidified by the solution dehumidifying unit 200 to obtain cold water with a desired temperature; namely, evaporating and cooling the air-conditioning circulating water 390 to obtain cooling water for output, and adopting the cooling water to externally cool; because the specific heat capacity of water is far greater than that of air, for example, in a standard state, the specific heat capacity of water is 4200 joules per kilogram of celsius, and the specific heat capacity of air is 1400 joules per kilogram of celsius, the heat dissipation and cooling combined with the conduction heat dissipation mode has better cooling effect compared with the air conditioning mode.
In this embodiment, the evaporation filling structure 350 is located above the water collecting tray 360, the water collecting tray 360 is used for collecting cold water flowing out of the evaporation filling structure 350 and cooled by air passing through the solution dehumidifying unit 200 in an evaporation cooling manner, and delivering the cold water to the air-conditioning cooling water tank 370, that is, cooling the circulating water in an evaporation manner by adopting air-conditioning circulating water 390 in combination with dehumidified air, and delivering the cold water to the air-conditioning cooling water tank 370; the water replenishing valve 380 is respectively connected to the air conditioning cooling water tank 370 and an external water pipe for replenishing the air conditioning circulating water 390. Because of evaporation loss, it is necessary to replenish the air-conditioning circulating water 390. Further, the air-conditioning cooling water tank 370 is provided with a water supplementing level 371, and the water supplementing valve 380 is further used for automatically opening when the air-conditioning circulating water 390 in the air-conditioning cooling water tank 370 is lower than the water supplementing level 371 in the air-conditioning cooling water tank 370; automatic opening includes automatically opening for a certain period of time and automatically opening until the air-conditioning circulating water 390 in the air-conditioning cooling water tank 370 is higher than a certain water level. The design is favorable for automatic water supplementing and avoids wasting manpower.
Further, in one embodiment, as shown in fig. 10-12, the evaporative filler structure 350 is disposed adjacent to the dehumidification filler structure 250; the evaporation packing structure 350 is disposed between the gas-liquid heat exchanger 600 and the dehumidification packing structure 250, and the air supply unit 500 is disposed adjacent to the gas-liquid heat exchanger 600. Such a design facilitates the formation of a higher temperature air environment with the high temperature of the desiccant solution 800, enhancing the evaporation effect of the evaporative filler structure 350.
In one embodiment, as shown in fig. 10 and 12, the vacuum condensing unit 600 includes a gas-liquid heat exchanger 610, a vacuum pump 620, a condensate tank 630, a water outlet pipe 640, and a gas-liquid separator 650; the upper end of the gas-liquid heat exchanger 610 is connected to the gas outlet end D3 of the solution concentrating and regenerating unit 400 through a steam pipe 481, and is used for inputting high-temperature steam formed by concentrating the solution concentrating and regenerating unit 400; the lower end of the gas-liquid heat exchanger 610 is connected to the gas-liquid separator 650 through the water outlet pipe 640, and is used for outputting the water and residual water vapor after evaporation cooling to the gas-liquid separator 650; the gas-liquid separator 650 is connected to the vacuum pump 620 and the condensate tank 630, respectively, and the condensate tank 630 is provided with a condensate drain pipe 631 for draining water.
In order to facilitate automatic control, in one embodiment, the solution dehumidifying and evaporating water chiller further comprises a control unit; the control unit is connected to the external vacuum pump, and is configured to control the concentration of the dehumidifying solution 800 in the inner cavity 442 and the solution tank 270 by controlling the working load of the external vacuum pump, so as to adjust the humidity of the dehumidified air to control the temperature of the air-conditioning circulating water 390 in the air-conditioning cooling water tank 370; and/or the control unit is connected to the throttle valve 430, and the control unit is configured to automatically open the throttle valve 430 to convey the dehumidified solution 800 in the solution tank 270 into the evaporator 440 when the dehumidified solution 800 in the solution tank 270 is accumulated to a predetermined position, and to automatically close the throttle valve 430 when the dehumidified solution 800 in the solution tank 270 is lower than the water outlet 271 in the solution tank 270; and/or the control unit is connected to the water supplementing valve 380, and the control unit is configured to automatically open the water supplementing valve 380 when the air-conditioning circulating water 390 in the air-conditioning cooling water tank 370 is lower than the water supplementing level 371 in the air-conditioning cooling water tank 370, and automatically close the water supplementing valve 380 when the air-conditioning circulating water 390 in the air-conditioning cooling water tank 370 is higher than a specific water level; and/or, the control unit is further connected to a solution concentrating and circulating pump 470 of the solution concentrating and regenerating unit 400, for controlling the flow rate of the evaporated dehumidified solution 800 to the solution dehumidifying unit 200. In one embodiment, the control unit is further connected to the three-way valve for adjusting the amount of steam entering the condensing structure 460 by controlling the three-way valve provided on the steam pipe 481 of the solution concentration regeneration unit 400, thereby adjusting the temperature of the dehumidifying solution 800; and/or the control unit is further connected to the solution circulation pump 230, for adjusting the dehumidifying capacity or cooling capacity of the solution dehumidifying unit 200 to the ambient air by controlling the flow rate of the dehumidifying solution 800 in the solution dehumidifying unit 200; and/or, the control unit is further connected to an air supply unit 500 of the solution dehumidifying and evaporating water chiller, and is used for controlling the refrigerating capacity of the solution dehumidifying and evaporating water chiller; and/or, the control unit is further connected to a solution concentrating and circulating pump 470 of the solution concentrating and regenerating unit 400, for controlling the flow rate of the evaporated dehumidified solution 800 to the solution dehumidifying unit 200. The control unit is further connected to the solution concentration circulation pump 470 for controlling the operation state of the solution concentration regeneration unit 400 to deliver the evaporated dehumidified solution 800 to the solution tank 270. The design is favorable for automatically controlling the solution dehumidifying and evaporating water chiller and precisely controlling the cold water with required temperature, and ensures the heat dissipation and cooling effects.
In one embodiment, the evaporative cooling unit 300 operates in a cross-flow mode, the solution dehumidification unit 200 operates in a counter-flow mode or a cross-flow mode, and the vacuum condensation unit 600 operates in a cross-flow mode. The cross flow mode is that the air inlet direction is right angle with the water flow direction, and the countercurrent mode is that the air inlet direction is opposite to the water flow direction. In each embodiment, the working modes of the solution dehumidifying and evaporating water chiller include a summer mode, a transitional season mode and a winter mode; when the summer mode is operated, the solution dehumidifying unit 200, the solution concentrating and regenerating unit 400, the evaporative cooling unit 300 and the vacuum condensing unit 600 of the solution dehumidifying and evaporating chiller operate simultaneously, and the solution dehumidifying and evaporating chiller operates in a solution dehumidifying and evaporating cooling mode; when the winter mode is operated, the solution dehumidifying unit 200, the solution concentrating and regenerating unit 400 and the vacuum condensing unit 600 of the solution dehumidifying and evaporating chiller are not operated, and only the evaporating and cooling unit 300 is operated, and the solution dehumidifying and evaporating chiller is operated in a direct evaporating and cooling mode; when the transition season mode is operated, the solution dehumidifying unit 200 and the evaporative cooling unit 300 of the solution dehumidifying and evaporative water chiller operate simultaneously, the solution concentrating and regenerating unit 400 and the vacuum condensing unit 600 do not operate, and the solution dehumidifying and evaporative water chiller operates in an evaporative cooling mode. The solution concentrating and regenerating unit 400 and the vacuum condensing unit 600 may also be intermittently operated according to the needs and actual conditions during the operation in the transition season mode.
In one embodiment, the solution dehumidifying air conditioner comprises the solution dehumidifying evaporative cooling machine according to any embodiment, and in one embodiment, the solution dehumidifying air conditioner comprises an air conditioning component and the solution dehumidifying evaporative cooling machine according to any embodiment, and cold water obtained by the evaporative cooling unit 300 is conveyed to the air conditioning component. In one embodiment, the evaporative cooling unit 300 recovers water from the air conditioning assembly as the air conditioning circulating water 390. In one embodiment, the air conditioning assembly is an end air conditioner such as a heat exchanger or the like. By means of the design, the heat supply unit is matched with the solution concentration regeneration unit to repeatedly utilize the dehumidification solution, so that solution concentration regeneration is achieved, and various low-temperature heat sources as low as about 40 ℃ can be used, so that the utilization range and the utilization efficiency of the heat sources can be greatly improved, the energy efficiency of solution dehumidification, evaporation and cooling is improved, and the effect of solution dehumidification, evaporation and cold water output combined with solution dehumidification and evaporation cooling is improved.
It should be noted that other embodiments of the present application further include a solution dehumidifying evaporative water chiller and a solution dehumidifying air conditioner, which are formed by combining the technical features of the above embodiments.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of the application should be determined from the following claims.