Disclosure of Invention
It is an object of the present invention to provide a forced circulation mechanical vapour compression device which solves the problems set out in the background art mentioned above.
In order to achieve the purpose, the invention provides the following technical scheme:
a forced circulation mechanical vapor compression device comprising a heat exchanger, a vapor compressor and a circulation pump; a liquid inlet is formed in the lower part of the steam compressor and used for introducing wastewater into the steam compressor, the liquid inlet end of the circulating pump is communicated with the bottom of the steam compressor through a liquid discharge pipe, and the liquid discharge end of the circulating pump is communicated with the heat exchanger; the top of the steam compressor is communicated with a liquid outlet pipe, the liquid outlet pipe is communicated with the input end of the steam compressor, and the output end of the steam compression end is communicated with the heat exchanger through a first air inlet pipe.
As a further scheme of the invention: the heat exchanger is communicated with the vapor compressor through a first connecting pipe.
As a further scheme of the invention: the top fixed mounting of steam compressor has the defroster, and the defroster communicates with steam compressor and drain pipe respectively, and the inside fixed mounting of defroster has the storing filter screen.
As a further scheme of the invention: the steam compressor is characterized in that a rotating shaft is vertically and rotatably arranged in the steam compressor, a spiral blade is fixedly arranged at the upper end of the rotating shaft, and the diameter of the spiral blade is gradually decreased from top to bottom.
As a further scheme of the invention: the upper end and the lower end of the rotating shaft are rotatably installed inside the steam compressor through the support, the outer side of the steam compressor is fixedly provided with a speed reducing motor, and the output end of the speed reducing motor is in transmission connection with the rotating shaft through a bevel gear set.
As a further scheme of the invention: the liquid discharge end of the circulating pump is communicated with a solid-liquid separation mechanism through a circulating pipe, and the solid-liquid separation mechanism is communicated with the heat exchanger through a second connecting pipe; the solid-liquid separation mechanism comprises a shell and a filter screen which is arranged in the shell in a sliding manner, and the filter screen is obliquely arranged; two adjusting screw rods are symmetrically and rotatably installed on the left side and the right side inside the shell, adjusting screw sleeves are connected to the adjusting screw rods in a threaded mode, the adjusting screw sleeves are connected with the shell in a sliding mode, and the adjusting screw sleeves are movably connected with the side edge of the filter screen.
As a further scheme of the invention: the upper part of the shell is provided with a reflux port communicated with the circulating pipe, the bottom of the shell is provided with a liquid outlet for wastewater to flow out, the liquid outlet is communicated with the second connecting pipe, and the shell is also provided with a slag discharging port for crystal discharge.
As a further scheme of the invention: and the bottom of the filter screen is fixedly provided with a vibration motor for driving the filter screen to vibrate.
As a further scheme of the invention: the adjusting screws are rotatably arranged in the shell through rotating shafts, belt pulleys are fixedly arranged on the two rotating shafts, and the two belt pulley cylinders are connected with a belt in a transmission manner and used for driving the two adjusting screws to synchronously rotate; and a driving motor for driving one of the rotating shafts is fixedly arranged in the shell.
Compared with the prior art, the invention has the beneficial effects that: a liquid inlet is formed in the lower portion of a steam compressor, waste water is introduced into the steam compressor, a liquid inlet end of a circulating pump is communicated with the bottom of the steam compressor through a liquid discharge pipe, a liquid discharge end of the circulating pump is communicated with a heat exchanger, the waste water is introduced into the steam compressor through the liquid inlet and is mixed with the circulating waste water, and in the mixing process, steam is introduced into the steam compressor through the liquid discharge pipe, is pressurized and then is introduced into the heat exchanger, and is condensed into distilled water in the heat exchanger; after the steam is discharged gradually, the waste water is concentrated and crystallized, and concentrated waste water and crystals are discharged by the circulating pump, and the concentrated waste water is introduced into the heat exchanger and circularly flows into the steam compressor for further concentration after exchanging heat with the steam, so that the concentration efficiency is high, and the operation energy consumption is low.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1, in an embodiment of the present invention, a forced circulation mechanical vapor compression apparatus includes a heat exchanger 1, a vapor compressor 2, and a circulation pump 3; aliquid inlet 203 is formed in the lower part of the vapor compressor 2 and used for introducing wastewater into the vapor compressor 2, a liquid inlet end of the circulating pump 3 is communicated with the bottom of the vapor compressor 2 through aliquid discharge pipe 301, and a liquid discharge end of the circulating pump 3 is communicated with the heat exchanger 1; the top of the steam compressor 2 is communicated with aliquid outlet pipe 501, theliquid outlet pipe 501 is communicated with the input end of the steam compressor 5, the output end of the steam compression end 5 is communicated with the heat exchanger 1 through a firstair inlet pipe 102, wastewater is introduced into the steam compressor 2 through aliquid inlet 203 and is mixed with circulating wastewater, and in the mixing process, steam is introduced into the steam compressor 5 through theliquid outlet pipe 501, is introduced into the heat exchanger 1 after being pressurized and is condensed into distilled water in the heat exchanger 1; after the steam is gradually discharged, the wastewater is concentrated and crystallized, the concentrated wastewater and the crystals are discharged by a circulating pump 3, and the concentrated wastewater is introduced into a heat exchanger 1, exchanges heat with the steam and then circularly flows into a steam compressor 2 for further concentration;
in the embodiment of the present invention, it is,
the heat exchanger 1 is communicated with the steam compressor 2 through a first connectingpipe 103 and is used for introducing the concentrated wastewater subjected to heat exchange into the steam compressor 2 for further concentration;
in a further embodiment of the present invention,
the top fixed mounting of steam compressor 2 hasdefroster 201, anddefroster 201 communicates with steam compressor 2 anddrain pipe 501 respectively, and the inside fixed mounting ofdefroster 201 has storingfilter screen 202 for clear away adnexed granule in the steam.
Example 2
Referring to fig. 1, in the embodiment of the present invention,
a forced circulation mechanical vapor compression device comprises a heat exchanger 1, a vapor compressor 2 and a circulation pump 3;
the lower part of the vapor compressor 2 is provided with aliquid inlet 203 for introducing waste water into the vapor compressor 2,
the liquid inlet end of the circulating pump 3 is communicated with the bottom of the vapor compressor 2 through aliquid discharge pipe 301, and the liquid discharge end of the circulating pump 3 is communicated with the heat exchanger 1;
the top of the vapor compressor 2 is communicated with aliquid outlet pipe 501, theliquid outlet pipe 501 is communicated with the input end of the vapor compressor 5, the output end of the vapor compression end 5 is communicated with the heat exchanger 1 through a firstair inlet pipe 102, the waste water is introduced into the vapor compressor 2 through aliquid inlet 203 to be mixed with the circulating waste water,
in the mixing process, steam is introduced into the steam compressor 5 through theliquid outlet pipe 501, is introduced into the heat exchanger 1 after being pressurized, and is condensed into distilled water in the heat exchanger 1;
after the steam is gradually discharged, the wastewater is concentrated and crystallized, the concentrated wastewater and the crystals are discharged by a circulating pump 3, and the concentrated wastewater is introduced into a heat exchanger 1, exchanges heat with the steam and then circularly flows into a steam compressor 2 for further concentration;
in the embodiment of the present invention, it is,
the heat exchanger 1 is communicated with the steam compressor 2 through a first connectingpipe 103 and is used for introducing the concentrated wastewater subjected to heat exchange into the steam compressor 2 for further concentration;
in a further embodiment of the present invention,
the top fixed mounting of steam compressor 2 hasdefroster 201, anddefroster 201 communicates with steam compressor 2 anddrain pipe 501 respectively, and the inside fixed mounting ofdefroster 201 has storingfilter screen 202 for clear away adnexed granule in the steam.
Referring to fig. 2, the difference between the present embodiment and embodiment 1 is:
arotating shaft 205 is vertically and rotatably arranged in the steam compressor 2, aspiral blade 206 is fixedly arranged at the upper end of therotating shaft 205, the diameters of thespiral blades 206 are gradually decreased from top to bottom, thespiral blade 206 is driven to rotate when therotating shaft 205 rotates, waste water in the steam compressor 2 is stirred, the waste water is rapidly evaporated, and the waste water treatment efficiency is improved;
in the embodiment of the present invention, it is,
the upper and lower ends of therotating shaft 205 are rotatably installed inside the vapor compressor 2 throughbrackets 208,
the outer side of the vapor compressor 2 is also fixedly provided with a speed reducing motor, and the output end of the speed reducing motor is in transmission connection with therotating shaft 205 through a bevel gear set 207 and is used for driving therotating shaft 205 to rotate.
Example 3
Referring to fig. 1, in the embodiment of the present invention,
a forced circulation mechanical vapor compression device comprises a heat exchanger 1, a vapor compressor 2 and a circulation pump 3;
the lower part of the vapor compressor 2 is provided with aliquid inlet 203 for introducing waste water into the vapor compressor 2,
the liquid inlet end of the circulating pump 3 is communicated with the bottom of the vapor compressor 2 through aliquid discharge pipe 301, and the liquid discharge end of the circulating pump 3 is communicated with the heat exchanger 1;
the top of the vapor compressor 2 is communicated with aliquid outlet pipe 501, theliquid outlet pipe 501 is communicated with the input end of the vapor compressor 5, the output end of the vapor compression end 5 is communicated with the heat exchanger 1 through a firstair inlet pipe 102, the waste water is introduced into the vapor compressor 2 through aliquid inlet 203 to be mixed with the circulating waste water,
in the mixing process, steam is introduced into the steam compressor 5 through theliquid outlet pipe 501, is introduced into the heat exchanger 1 after being pressurized, and is condensed into distilled water in the heat exchanger 1;
after the steam is gradually discharged, the wastewater is concentrated and crystallized, the concentrated wastewater and the crystals are discharged by a circulating pump 3, and the concentrated wastewater is introduced into a heat exchanger 1, exchanges heat with the steam and then circularly flows into a steam compressor 2 for further concentration;
in the embodiment of the present invention, it is,
the heat exchanger 1 is communicated with the steam compressor 2 through a first connectingpipe 103 and is used for introducing the concentrated wastewater subjected to heat exchange into the steam compressor 2 for further concentration;
in a further embodiment of the present invention,
the top fixed mounting of steam compressor 2 hasdefroster 201, anddefroster 201 communicates with steam compressor 2 anddrain pipe 501 respectively, and the inside fixed mounting ofdefroster 201 has storingfilter screen 202 for clear away adnexed granule in the steam.
Referring to fig. 2, the difference between the present embodiment and embodiment 1 is:
arotating shaft 205 is vertically and rotatably arranged in the steam compressor 2, aspiral blade 206 is fixedly arranged at the upper end of therotating shaft 205, the diameters of thespiral blades 206 are gradually decreased from top to bottom, thespiral blade 206 is driven to rotate when therotating shaft 205 rotates, waste water in the steam compressor 2 is stirred, the waste water is rapidly evaporated, and the waste water treatment efficiency is improved;
in the embodiment of the present invention, it is,
the upper and lower ends of therotating shaft 205 are rotatably installed inside the vapor compressor 2 throughbrackets 208,
the outer side of the vapor compressor 2 is also fixedly provided with a speed reducing motor, and the output end of the speed reducing motor is in transmission connection with therotating shaft 205 through a bevel gear set 207 and is used for driving therotating shaft 205 to rotate.
Referring to fig. 3, the difference between the present embodiment and embodiments 1-2 is:
the liquid discharge end of the circulating pump 3 is communicated with the solid-liquid separation mechanism 4 through a circulatingpipe 302, and the solid-liquid separation mechanism 4 is communicated with the heat exchanger 1 through a second connectingpipe 104;
the solid-liquid separation mechanism 4 comprises a shell and afilter screen 403 which is slidably arranged in the shell, wherein thefilter screen 403 is obliquely arranged;
two adjustingscrews 407 are symmetrically and rotatably mounted on the left side and the right side inside the shell, adjustingscrew sleeves 406 are connected to the adjusting screws 407 in a threaded manner, the adjustingscrew sleeves 406 are connected with the shell in a sliding manner, the adjustingscrew sleeves 406 are movably connected with the side edges of thefilter screen 403, thefilter screen 403 is driven by the adjustingscrews 407 and the adjustingscrew sleeves 406 to move up and down, when solid-liquid separation is carried out, thefilter screen 403 is positioned at the lower part of the shell, wastewater flows out through thefilter screen 403, crystals are left on thefilter screen 403, and after the wastewater treatment is finished, thefilter screen 403 is driven upwards to move to;
in the embodiment of the present invention, it is,
the upper part of the shell is provided with areturn port 402 communicated with the circulatingpipe 302, the bottom of the shell is provided with aliquid outlet 411 for waste water to flow out, theliquid outlet 411 is communicated with the second connectingpipe 104,
aslag discharge port 401 for discharging crystals is further formed in the shell;
further, in the embodiment of the present invention, avibration motor 405 is fixedly installed at the bottom of thefilter screen 403, and is used for driving thefilter screen 403 to vibrate, so as to discharge crystals from theslag discharge port 401;
it should be noted that, in the embodiment of the present invention,
the adjustingscrews 407 are rotatably mounted in the shell throughrotating shafts 409, belt pulleys 410 are fixedly mounted on the tworotating shafts 409, and the twobelt pulleys 410 are connected with a belt in a transmission manner and used for driving the two adjustingscrews 407 to rotate synchronously;
a drivingmotor 408 for driving one of therotating shafts 409 is also fixedly mounted in the housing.
The invention is provided with a liquid inlet at the lower part of the vapor compressor, wastewater is introduced into the vapor compressor,
the liquid inlet end of the circulating pump is communicated with the bottom of the vapor compressor through a liquid discharge pipe, the liquid discharge end of the circulating pump is communicated with the heat exchanger, the wastewater is introduced into the vapor compressor through the liquid inlet and is mixed with the circulating wastewater,
in the mixing process, steam is introduced into a steam compressor through a liquid outlet pipe, is introduced into a heat exchanger after being pressurized, and is condensed into distilled water in the heat exchanger;
after the steam is discharged gradually, the waste water is concentrated and crystallized, and concentrated waste water and crystals are discharged by the circulating pump, and the concentrated waste water is introduced into the heat exchanger and circularly flows into the steam compressor for further concentration after exchanging heat with the steam, so that the concentration efficiency is high, and the operation energy consumption is low.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.