CN201497253U - Device for heating or cooling seawater and then supplying water by utilizing heat pump - Google Patents

Abstract

The utility model provides a device for heating or cooling seawater and then supplying water by utilizing a heat pump, which comprises a heat pump, a seawater supply part, a trough part and a waste seawater supply part, wherein the heat pump is a circulation system consisting of an evaporator, a compressor, a condenser and an expansion valve; the evaporator is connected with the compressor which is connected with the condenser, and the condenser is connected with the expansion valve which is connected with the evaporator; the seawater supply part is connected with the condenser to supply needed seawater to the condenser; the trough part is connected with the condenser to receive the heated seawater; and the waste seawater supply part is connected with the trough and the evaporator to supply the waste water drained by the trough to the evaporator. The device can prevent the high-temperature seawater from entering the trough in summer and can supply cooling water to the trough when necessary to enable the seawater in the trough to remain at a relatively low temperature. Therefore, the device can solve the problem that in summer, the seawater in an aquatic trough is too high in temperature, microorganisms overgrow in the trough and the water quality degrades too quickly, which leads to that the fish bred in the trough dies in large quantity.

Description

Utilize the device that supplies water behind heat pump or the refrigerated sea water

Technical field

The utility model relates to a kind of device of water supply, particularly relates to a kind of device that supplies water again behind heat pump or the refrigerated sea water that utilizes.

Background technology

Along with the development of energy-conservation and new renewable sources of energy technology, heat pump miscellaneous has appearred.Usually heat pump has basic inscapes such as compressor, condenser, expansion valve and evaporimeter, utilizes the heat energy of condenser one side to heat, and utilizes the heat energy of evaporimeter one side to freeze.Heat pump is that cryogenic media absorbs the recovery of evaporimeter one side and is called as air heat source and thermal pump when hot with the air when heating, and is called as hydro-thermal source heat pump when reclaiming heat energy from the waste water of discharging, is called as the geothermal-source heat pump system when utilizing underground heat.All heat pumps all have structure as shown in the figure, it is difference according to the utilization thermal source, in the maximization and maintenance management aspect of energy recovery efficient, variant on the shape of heat exchanger (evaporimeter and condenser) and installation method.

The problem of particles contained reduction heat exchanger effectiveness in corrosivity that wherein a kind of ultimate challenge that utilizes seawater to face as the heat pump of thermal source is a seawater and the seawater.Although there are these challenges, owing to the trend that oil price in recent years rises steadily, the demand of sea-water heat-pump system is still vigorous day by day.Therefore, recently the sea-water heat-pump system in plant and cooling of building heats and field such as heat supply is popularized gradually.

Korean Patent Registration has been put down in writing a sea-water heat-pump system No. 520815, this system be only with interim storage at the seawater of seawater hopper as thermal source.For traditional heat pump, the water temperature of seawater in summer that is stored in the seawater hopper is higher than natural ocean temperature for about 28 ℃, so being fed to the seawater of condenser, the seawater hopper carries out inefficient heat exchange with the cooling medium liquid in the refrigerant pipe that is built in the condenser, cause high temperature seawater to be fed in the corf, can't keep the low temperature environment of corf, and, the ocean temperature that is stored in summer in the seawater hopper is high more, the reproduction speed of microorganism is fast more, cause the seawater hopper to be supplied to the seawater of condenser to contain a large amount of microorganisms, influence is fed to the seawater of condenser and is built in heat exchange between the cooling medium liquid in the refrigerant pipe in the condenser.

The utility model content

The purpose of this utility model is at above the deficiencies in the prior art, supply with tank after providing a kind of condenser that utilizes heat pump and evaporimeter along with seasonal variations heating or refrigerated sea water, especially can avoid to condenser supplying high temperature seawater the too vigorous and death that causes culturing fish of the breeding that effectively reduces microorganism in the tank in summer.

The technical solution of the utility model is: a kind of device that supplies water behind the heat pump seawater that utilizes comprises heat pump, seawater supply department, tank portion and waste seawater supply department; Heat pump is the circulatory system that is made of evaporimeter, compressor, condenser, expansion valve, and evaporimeter connects compressor, compressor connects condenser, condenser connection expansion valve, and expansion valve connects evaporimeter again; Seawater supply department is connected with condenser, is the seawater of condenser supply needs; Tank portion is connected with condenser, receives the seawater after heating; Waste seawater supply department connects tank portion and evaporimeter, and the waste water that tank portion is discharged is supplied to evaporimeter.

Specifically, the operation principle of described device is as follows: the evaporimeter of heat pump is made into the low-temp low-pressure gaseous state with refrigerant, the low-temp low-pressure gas coolant that compressor is discharged evaporimeter is made into the HTHP refrigerant, condenser discharges the heat energy of the high temperature and high pressure gas state refrigerant of compressor discharge, high pressure aqueous refrigerant will be made into behind the cooling medium liquefaction, expansion valve reduces the pressure of the aqueous refrigerant of high pressure of condenser discharge, enter evaporimeter after being made as the aqueous refrigerant of low-temp low-pressure, and evaporimeter after being made into the low-temp low-pressure gaseous state, refrigerant is sent into compressor formation circulation again; The waste water that seawater after the sea water supply condenser that seawater supply department then will need to heat heats, heats flows into tank portion, the discharging of tank portion then enters waste seawater supply department, because waste water also has certain temperature, therefore send in the evaporimeter with the aqueous refrigerant of low-temp low-pressure again and carry out heat exchange, the form with cold water is discharged into the external world at last.

Described evaporimeter and condenser all are provided with the water tank that can store corresponding size of possessing of waste seawater and seawater and shape, and the water tank outside is provided with air pump and is vertically set on the snakelike refrigerant pipe on the central frame in the water tank; One end of air pump is positioned at the bottom of water tank, the gas supply line that forms for porous body between the port of air pump and water tank bottom;

Described seawater supply department is provided with seawater aqua storage tank and the seawater supply line of storing seawater, the seawater aqua storage tank directly is connected with seawater by pipeline, seawater supply line one end connects the seawater aqua storage tank, the other end is connected the below of condenser tank, is provided with the seawater inflow pump in the middle of the seawater supply line;

Described tank portion is provided with a plurality of tanks and adds the hot sea water supply line, adds hot sea water supply line one end and connects condenser tank, and the other end connects tank, and the centre is provided with the seawater transfer pump;

Described waste seawater supply department is provided with the waste seawater supply line, and an end of waste seawater supply line links to each other with tank, and the other end connects the evaporimeter water tank, and middle order is provided with waste seawater transfer pump and waste seawater foreign body filter;

The water tank of described evaporimeter also is connected with discharge pipe line, is provided with controlled valve and water pump in the middle of the discharge pipe line.

Be provided with first by-pass line between pipeline that described seawater aqua storage tank is connected with seawater and the seawater supply line; Described adding, be provided with second by-pass line between hot sea water supply line and the discharge pipe line; Be provided with the 3rd by-pass line between described waste seawater supply line and the discharge pipe line; Be provided with the 4th by-pass line between described seawater supply line and the waste seawater supply line; Also be provided with the 5th by-pass line between described seawater supply line and the waste seawater supply line, the flow direction in the pipeline is opposite with the flow direction of the 4th by-pass line.

All be provided with valve on described first by-pass line, second by-pass line, the 3rd by-pass line, the 4th by-pass line, the 5th by-pass line.

It is to connect by the first refrigerant pipeline that evaporimeter is connected with compressor, is provided with the liquid heat exchanger in the middle of the first refrigerant pipeline; It is to connect by the second refrigerant pipeline that compressor is connected with condenser, is provided with oil eliminator in the middle of the second refrigerant pipeline; It is to connect by the 3rd refrigerant pipeline that condenser is connected with expansion valve, be provided with collection box, device for drying and filtering and content gauge in the middle of the 3rd refrigerant pipeline, simultaneously the 3rd refrigerant pipeline also is connected with liquid heat exchanger on the first refrigerant pipeline, and expansion valve is connected by the 4th refrigerant pipeline with evaporimeter.

The device that supplies water behind the heat pump seawater that utilizes of the present utility model, can avoid summer to condenser supplying high temperature seawater, cause high temperature seawater to enter the problem of tank, in case of necessity also can be to the tank cooling water supply, make the seawater in the tank keep relatively low temperature, solved the too fast problem that causes culturing the fish mortality of the too high microbial reproduction transition of tank ocean temperature deteriorating water quality of breeding fish summer.

Description of drawings

Fig. 1 is a heat pump basic structure schematic diagram of the prior art;

Fig. 2 is the structural representation of embodiment of the present utility model.

The specific embodiment

Embodiment

The heat pump of prior art as shown in Figure 1, compressor 1 ' produces high steam and forms highly pressurised liquid to condenser 2 ' back, the low pressure mixture that process expansion valve 3 ' forms liquid and steam forms low-pressure gas to evaporimeter 4 ', and low-pressure gas is by getting back in the compressor 1 '.Can heat in condenser 2 ' side, then can freeze in evaporimeter 4 ' one side, refrigerant forms the circulatory system in heat pump.

Specify embodiment of the present utility model below in conjunction with Fig. 2.

The device that supplies water behind the heat pump seawater that utilizes of the present utility model utilizes the device that supplies water behind the heat pump seawater, comprises heat pump 100, seawater supply department 50, tank portion 60 and waste seawater supply department 70; Heat pump 100 is the circulatory systems that are made of evaporimeter 10, compressor 20, condenser 30, expansion valve 40, and evaporimeter 10 connects compressor 20, compressor 20 connects condenser 30, condenser 30 connection expansion valves 40, and expansion valve 40 connects evaporimeter 10 again; Seawater supply department 50 is connected with condenser 30, for condenser 30 is supplied the seawater that needs; Tank portion 60 is connected with condenser 30, receives the seawater after heating; Waste seawater supply department 70 connects tank portion 60 and evaporimeter 10, and the waste water that tank portion 60 is discharged is supplied to evaporimeter 10.

Evaporimeter 10 and condenser 30 are provided with the water tank 11,31 that can store corresponding size of possessing of waste seawater and seawater and shape, and water tank 11,31 outsides are provided with air pump P1, P2 and are vertically set on the snakelike refrigerant pipe 13,33 on central frame B1, the B2 in the water tank; The end of air pump P1, P2 is positioned at the bottom of water tank 11,31, the gas supply line L5, the L7 that form for porous body between the port of air pump P1, P2 and water tank 11,31 bottoms;

Specifically, the first gas supply line L5 of evaporimeter 10 and condenser 30 and the second gas supply line L7 be by porous body, will be sprayed on the snakelike refrigerant pipe 1 that is built in evaporimeter 10 and condenser 30 respectively, thesnakelike refrigerant pipe 2 33 from air pump P1 and the P2 leaked-in air form with bubble.Therefore, not only can peel off the seawater particulate organic matter that is adsorbed on snakelike refrigerant pipe 1,snakelike refrigerant pipe 2 33, and improve the heat exchanger effectiveness betweensnakelike refrigerant pipe 2 33 and seawater, snakelike refrigerant pipe 1 and the waste seawater.

Seawater supply department 50 is provided with seawater aqua storage tank 51 and the seawater supply line L8 that stores seawater, seawater aqua storage tank 51 directly is connected with seawater by pipeline, seawater supply line L8 one end connects seawater aqua storage tank 51, the other end is connected the below of condenser 30 water tanks 31, is provided with seawater inflow pump P3 in the middle of the seawater supply line L8;

Tank portion 60 is provided with a plurality of tanks 61 and adds hot sea water supply line L9, adds hot sea water supply line L9 one end and connects condenser 30 water tanks 31, and the other end connects tank 61, and the centre is provided with seawater transfer pump P4;

Waste seawater supply department 70 is provided with waste seawater supply line L10, and the end of waste seawater supply line L10 links to each other with tank 61, and the other end connects evaporimeter 10 water tanks 11, and middle order is provided with waste seawater transfer pump P5 and waste seawater foreign body filter F;

The water tank 11 of evaporimeter 10 also is connected with discharge pipe line L4, is provided with controlled valve P11 and water pump in the middle of the discharge pipe line L4.

Be provided with the first by-pass line L11 between pipeline that seawater aqua storage tank 51 is connected with seawater and the seawater supply line L8; Add and be provided with the second by-pass line L12 between hot sea water supply line L9 and the discharge pipe line L4; Be provided with the 3rd by-pass line L13 between described waste seawater supply line L10 and the discharge pipe line L4; Be provided with the 4th by-pass line L14 between described seawater supply line L8 and the waste seawater supply line L10; Also be provided with the 5th by-pass line L15 between described seawater supply line L8 and the waste seawater supply pipe L10 line, the flow direction in the pipeline is opposite with the flow direction of the 4th by-pass line L14.

All be provided with valve on the described first by-pass line L11, the second by-pass line L12, the 3rd by-pass line L13, the 4th by-pass line L14, the 5th by-pass line L15.

It is to connect by the first refrigerant pipeline L1 that evaporimeter 10 is connected with compressor 20, is provided with liquid heat exchanger 21 in the middle of the first refrigerant pipeline L1; It is to connect by the second refrigerant pipeline L2 that compressor 20 is connected with condenser 30, is provided with oil eliminator 22 in the middle of the second refrigerant pipeline L2; It is to connect by the 3rd refrigerant pipeline L3 that condenser 30 is connected with expansion valve 40, be provided with collection box 23, device for drying and filtering 24 and content gauge 25 in the middle of the 3rd refrigerant pipeline L3, simultaneously the 3rd refrigerant pipeline L3 also is connected with liquid heat exchanger 21 on the first refrigerant pipeline L1, and expansion valve 40 is connected by the 4th refrigerant pipeline L6 with evaporimeter 10.

The operation principle of heat pump 100 is, the cold media gas of the HTHP that compressor 20 generates flows into condenser 30 by oil eliminator 22, carry out heat exchange with the low temperature seawater in the condenser 30, in this process, described cold media gas is converted into the high temperature high pressure liquid refrigerant, temporarily stores in the collection box 23; The moisture that contains in the refrigerant when flowing through device for drying and filtering 24 is removed, and flows through and can confirm the content gauge 25 that refrigerant flows, then by be converted into the liquid coolant inflow evaporator 10 of low-temp low-pressure by expansion valve 40; The liquid coolant that flows into the low-temp low-pressure of described evaporimeter 10 reclaims the waste seawater waste heat, flow into liquid heat exchanger 21 be converted to the cold media gas of low-temp low-pressure by evaporation after, carry out heat exchange with the high temperature refrigerant liquid of collection box 23 supplies, finally have only cold media gas to flow into compressor 20, form cyclic process.Therefore, collection box 23 is temporary transient stores compressor 20 liquid coolant by the HTHP of condenser 30 dischargings when out of service, plays the effect according to heat pump load control liquid coolant.

Compressor 20 is to be lubricated by the refrigeration oil that circulates in crankcase or the shell, so compressor 20 will directly be delivered to condenser 30 with the refrigeration oil that high temperature compressed cold media gas together discharges usually, will influence the work of condenser 30 and evaporimeter 10.Therefore, in order to take precautions against this influence, oil eliminator 22 is arranged between compressor 20 and the condenser 30, isolate refrigeration oil the refrigeration oil of discharging from compressor 20 and the mixture of cold media gas, make it to be circulated back in the compressor 20, and will remain cold media gas and be sent to condenser 30.

Liquid heat exchanger 21 can carry out heat exchange for absorbing the refrigerant of the low-temp low-pressure gaseous state of discharging behind the heat energy in the evaporimeter 10 and discharging between the high temperature high pressure liquid refrigerant of discharging behind the heat energy in condenser 30.Particularly, under the less situation of the heat energy that evaporimeter 10 obtains, come the cold media gas of flash-pot 10 and cooling medium liquid to mix and directly enter compressor 20, cause danger will for compressor 20, so by liquid heat exchanger 21, the cooling medium liquid that has little time to evaporate in evaporimeter 10 enters compressor 20 after being converted to gas through heat exchange.

The device that supplies water behind the heat pump seawater that utilizes of the present utility model, its concrete method of operation is as follows:

Summer

Summer, ocean temperature was higher, and the temperature that the fish in the tank needs is low, therefore opens the valve in the first by-pass line L11, starts seawater inflow pump P3, by the first by-pass line L11 and seawater supply line L8, natural seawater directly is fed to condenser 30.The seawater and the refrigerant in the condenser 30 that flow into condenser 30 carry out being heated after the heat exchange.Heated seawater, along with the startup of seawater transfer pump P4, being unlocked of the valve of the second by-pass line L12, flowing through successively adds hot sea water supply line L9, the second by-pass line L12 and discharge pipe line L4 discharging.

And, be stored in the seawater in the seawater hopper 51, along with the waste seawater transfer pump P5 that is installed in the waste seawater supply line L10 starts, the seawater inflow pump P3 that is installed in the seawater supply line L8 is out of service, the valve that is positioned at the 4th by-pass line L14 is unlocked, the valve that is positioned at waste seawater supply line L10 filter F downstream is unlocked, the valve that is installed in waste seawater supply line L10 one side is closed, then be stored in seawater in the seawater hopper 51 seawater supply line L8 that flows through successively, the 4th by-pass line L14 and waste seawater supply line L10 carry out inflow evaporator 10 after the filtration treatment through filter F.

The seawater of inflow evaporator 10 carries out being cooled after the heat exchange with the refrigerant that is built in the above-mentioned evaporimeter 10.The seawater that is cooled in the evaporimeter 10, along with the emptying pump P11 that is installed in the discharge pipe line L4 starts, open the valve in the discharge pipe line L4, close the valve in the second and the 3rd by-pass line L2, the L3, open the valve in the 5th by-pass line L15, be installed in add in the hot sea water supply line L9 to add hot sea water transfer pump P4 out of service, unlatching is connected the valve that adds the hot sea water supply line L9 other end, then through the seawater of evaporimeter 10 cooling flow through successively discharge pipe line L4, the 5th by-pass line L15 and add hot sea water supply line L9 and flow into tank 61.The ocean temperature that tank 61 is obtained through the suitable fish growth of cooling.

The seawater that flows into tank 61 need be refreshed the water periodically, so open the valve that is installed in waste seawater supply line L10 one side, start waste seawater transfer pump P5, open the valve on the 3rd by-pass line L13, after closing the valve that is positioned at waste seawater supply line L10 filter F downstream, the waste water of tank 61 discharging flow through successively waste seawater supply line L10, the 3rd by-pass line L13 and discharge pipe line L4 discharging.

Winter

Winter, ocean temperature was low, tank 61 need be supplied with in seawater heating back.For this reason, start the seawater inflow pump P3 be installed in the seawater supply line L8, will be stored in sea water supply condenser 30 in the seawater hopper by seawater supply line L8.The seawater that flows into condenser 30 carries out being heated after the heat exchange with the refrigerant that is built in the condenser 30.Along with the startup that adds hot sea water transfer pump P4 and be arranged on the unlatching that adds the valve among the hot sea water supply line L9, heated seawater is flowed through and is added hot sea water supply line L9 and flow into tank 61.

Seawater in the tank 61 needs regularly to change, and the waste water after it is changed is along with the startup that is arranged on the waste seawater transfer pump P5 among the waste seawater supply line L10 and the unlatching of valve, the above-mentioned waste seawater supply line L10 inflow evaporator 10 of flowing through.

The seawater of inflow evaporator 10 carries out being cooled after the heat exchange with the refrigerant that is built in the evaporimeter 10.The seawater that in above-mentioned evaporimeter 10, is cooled, along with the startup that is installed in the emptying pump P11 among the discharge pipe line L4, the unlatching of valve in the discharge pipe line L4, the delivery pipe L4 that flows through is discharged.

Claims (5)

1. one kind is utilized the device that supplies water behind heat pump or the refrigerated sea water, comprises heat pump, seawater supply department, tank portion and waste seawater supply department; Heat pump is the circulatory system that is made of evaporimeter, compressor, condenser, expansion valve, and evaporimeter connects compressor, compressor connects condenser, condenser connection expansion valve, and expansion valve connects evaporimeter again; Seawater supply department is connected with condenser, is the seawater of condenser supply needs; Tank portion is connected with condenser, receives the seawater after heating; Waste seawater supply department connects tank portion and evaporimeter, and the waste water that tank portion is discharged is supplied to evaporimeter.

2. the device that supplies water behind heat pump or the refrigerated sea water that utilizes according to claim 1, it is characterized in that described evaporimeter and condenser all are provided with water tank, the water tank outside is provided with air pump and is vertically set on the snakelike refrigerant pipe on the central frame in the water tank; One end of air pump is positioned at the bottom of water tank, the gas supply line that forms for porous body between the port of air pump and water tank bottom;

Described seawater supply department is provided with seawater aqua storage tank and the seawater supply line of storing seawater, the seawater aqua storage tank directly is connected with seawater by pipeline, seawater supply line one end connects the seawater aqua storage tank, the other end is connected the below of condenser tank, is provided with the seawater inflow pump in the middle of the seawater supply line;

Described tank portion is provided with a plurality of tanks and adds the hot sea water supply line, adds hot sea water supply line one end and connects condenser tank, and the other end connects tank, and the centre is provided with the seawater transfer pump;

Described waste seawater supply department is provided with the waste seawater supply line, and an end of waste seawater supply line links to each other with tank, and the other end connects the evaporimeter water tank, and middle order is provided with waste seawater transfer pump and waste seawater foreign body filter;

The water tank of described evaporimeter also is connected with discharge pipe line, is provided with controlled valve and water pump in the middle of the discharge pipe line.

3. the device that supplies water behind heat pump or the refrigerated sea water that utilizes according to claim 2 is characterized in that being provided with first by-pass line between pipeline that described seawater aqua storage tank is connected with seawater and the seawater supply line; Described adding, be provided with second by-pass line between hot sea water supply line and the discharge pipe line; Be provided with the 3rd by-pass line between described waste seawater supply line and the discharge pipe line; Be provided with the 4th by-pass line between described seawater supply line and the waste seawater supply line; Also be provided with the 5th by-pass line between described seawater supply line and the waste seawater supply line, the flow direction in the pipeline is opposite with the flow direction of the 4th by-pass line.

4. the device that supplies water behind heat pump or the refrigerated sea water that utilizes according to claim 3 is characterized in that all being provided with valve on described first by-pass line, second by-pass line, the 3rd by-pass line, the 4th by-pass line, the 5th by-pass line.

5. the device that supplies water behind heat pump or the refrigerated sea water that utilizes according to claim 4 is characterized in that it is to connect by the first refrigerant pipeline that evaporimeter is connected with compressor, is provided with the liquid heat exchanger in the middle of the first refrigerant pipeline; It is to connect by the second refrigerant pipeline that compressor is connected with condenser, is provided with oil eliminator in the middle of the second refrigerant pipeline; It is to connect by the 3rd refrigerant pipeline that condenser is connected with expansion valve, be provided with collection box, device for drying and filtering and content gauge in the middle of the 3rd refrigerant pipeline, simultaneously the 3rd refrigerant pipeline also is connected with liquid heat exchanger on the first refrigerant pipeline, and expansion valve is connected by the 4th refrigerant pipeline with evaporimeter.

Images