CN210674243U - Heat pump type low-temperature evaporation equipment for treating wastewater - Google Patents
Heat pump type low-temperature evaporation equipment for treating wastewater Download PDFInfo
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- CN210674243U CN210674243U CN201921234213.5U CN201921234213U CN210674243U CN 210674243 U CN210674243 U CN 210674243U CN 201921234213 U CN201921234213 U CN 201921234213U CN 210674243 U CN210674243 U CN 210674243U
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Abstract
The utility model discloses a heat pump type low-temperature evaporation equipment for treating wastewater, which comprises a distillation tank, a heat exchange device and a suction device, wherein the distillation tank is provided with a tank body, a defoaming device for dividing the inner cavity of the tank body into an upper cavity and a lower cavity and a wastewater inlet pipeline communicated with the lower cavity; the heat exchange device is provided with a heat pump compressor, a first heat exchanger arranged in the lower cavity and a second heat exchanger arranged in the upper cavity, and the heat pump compressor, the first heat exchanger and the second heat exchanger are sequentially connected to form a circulation passage for the circulation of a heating medium or a cooling medium; the suction device is provided with a water storage container, a water outlet pipeline communicated with the upper cavity and a suction mechanism, and the suction mechanism can drive water in the water storage container to circularly flow so as to suck out gas or condensed water in the inner cavity of the tank body; the water outlet of the water storage container is also connected with a water drainage pipeline. The heat pump type low-temperature evaporation equipment integrates evaporation and condensation treatment, simplifies the treatment process, reduces the production cost, and improves the working efficiency and the effluent quality.
Description
Technical Field
The utility model relates to a waste water treatment equipment technical field specifically provides a heat pump type low temperature evaporation equipment for handling waste water.
Background
With the continuous development of social economy and the improvement of environmental consciousness of people, China increases the treatment of sewage. At present, when an enterprise carries out industrial wastewater treatment, a multi-effect evaporator and an MVR evaporator are mostly used. However, the evaporation temperature of the two evaporators is above 90 ℃ when the wastewater is treated, so that on one hand, the effluent quality is not clean, the COD value is too high, and water treatment equipment is required to be additionally configured for purification, so that the treatment process is complex, and the production cost is increased; on the other hand, the evaporator is easy to scale and needs to be periodically overhauled, so that the maintenance cost is increased, and the service life of the evaporator is greatly reduced.
In view of this, the present invention is especially provided.
Disclosure of Invention
In order to overcome the defects, the utility model provides a heat pump type low temperature evaporation equipment for handling waste water, its novel structure, reasonable collects evaporation and condensation processing in an organic whole, has not only simplified processing technology, has reduced manufacturing cost and energy consumption, has still improved work efficiency greatly, has promoted out water quality of water, and has prolonged the life of equipment.
The utility model discloses a solve the technical scheme that its technical problem adopted and be: a heat pump type low-temperature evaporation device for treating wastewater comprises a distillation tank, a heat exchange device and a suction device, wherein the distillation tank is provided with a hollow tank body and a defoaming device which is arranged in an inner cavity of the tank body and used for eliminating foam, the defoaming device divides the inner cavity of the tank body into an upper cavity and a lower cavity which are arranged up and down, and the tank body is also provided with a wastewater inlet pipeline which is communicated with the lower cavity and used for conveying wastewater;
the heat exchange device is provided with a heat pump compressor arranged beside the outer side of the tank body, a first heat exchanger positioned and installed in the lower cavity and a second heat exchanger positioned and installed in the upper cavity, and the heat pump compressor, the first heat exchanger and the second heat exchanger are sequentially connected to form a closed circulation passage for heat medium or refrigerant medium to flow through;
the suction device is provided with a water storage container which is arranged beside the outer side of the tank body and used for temporarily storing condensed water, a water outlet pipeline which is communicated with the upper cavity and used for outputting the condensed water, and a suction mechanism which is connected between the water storage container and the water outlet pipeline, wherein the suction mechanism can drive water in the water storage container to circularly flow, and thus, gas or the condensed water in the inner cavity of the tank body is sucked out;
in addition, a drainage pipeline for discharging condensed water is connected to the drainage port of the water storage container.
As a further improvement of the utility model, a vacuum exhaust valve is arranged on the top of the tank body; a slag discharging pipeline which is communicated with the lower cavity of the tank body and is used for discharging waste liquid slag is arranged at the bottom of the tank body, and a first electromagnetic valve and a first water pump are also arranged on the slag discharging pipeline;
in addition, a second electromagnetic valve is installed on the waste water inlet pipeline.
As a further improvement of the present invention, the defoaming device comprises a baffle and a defoaming net component, wherein the baffle is provided with a plate main body which is made of plastic material and is transversely installed in the inner cavity of the tank body, the plate main body divides the inner cavity of the tank body into the upper cavity and the lower cavity, and the plate main body is further provided with a plurality of first through holes which run through the upper side surface and the lower side surface of the plate main body and can allow water vapor to pass through; defoaming net subassembly has at least two defoaming nets of being made by metal material, at least two the defoaming net is superpose from top to bottom and arranges and fix a position the installation together on the last side of board main part, each the defoaming net still all is the wavy, promptly each the defoaming net all has the crest portion and the trough portion that a plurality of arranged in turn in proper order, and is at each still be provided with the second through-hole that a plurality of water vapor can pass through on the top of crest portion.
As a further improvement of the utility model, a plurality of first through holes are uniformly distributed at the middle part of the plate main body;
the number of the defoaming nets is three, the three defoaming nets are arranged in an up-and-down overlapping mode, and the three defoaming nets are fixedly arranged at the middle position of the upper side face of the plate main body through a fixing frame;
in addition, the vertical cross section of the wave crest part in each defoaming net is in an inverted U shape, and the vertical cross section of the wave trough part in each defoaming net is in a U shape.
As a further improvement, the utility model is also provided with a water conservancy diversion head of being made by the metal material, the water conservancy diversion head is the equal open cavity round platform shape structure in axial both ends, the water conservancy diversion head cover is located outside the defoaming net subassembly, and simultaneously the water conservancy diversion head still is located under the second heat exchanger, the water conservancy diversion head still with the side location connection of going up of board main part.
As a further improvement of the present invention, the outlet of the heat pump compressor is communicated with the inlet of the first heat exchanger through a first connecting pipeline, the outlet of the first heat exchanger is communicated with the inlet of the second heat exchanger through a second connecting pipeline, and an expansion valve is further installed on the second connecting pipeline;
the heat pump system is characterized by further comprising a third heat exchanger, the third heat exchanger is positioned and installed in the water storage container, an inlet of the third heat exchanger is communicated with an outlet of the second heat exchanger through a third connecting pipeline, and an outlet of the third heat exchanger is communicated with an inlet of the heat pump compressor through a fourth connecting pipeline.
As a further improvement of the utility model, the water storage container is also provided with a water inlet and a water circulation port;
the suction mechanism is provided with a water inlet pipeline, a circulating pump and a vacuum ejector, wherein one port of the water inlet pipeline is connected and communicated with a water inlet of the water storage container, one port of the circulating pipeline is connected and communicated with a water circulating port of the water storage container, the circulating pump is installed on the circulating pipeline, three ports on the vacuum ejector are correspondingly communicated with one port of the water outlet pipeline, the other port of the water inlet pipeline and the other port of the circulating pipeline respectively, and the circulating pump is also in synergistic action with the vacuum ejector to drive water in the water storage container to circularly flow and suck gas or condensed water in an inner cavity of the tank body.
As a further improvement of the utility model, a third electromagnetic valve and a second water pump are installed on the drainage pipeline.
As a further improvement of the utility model, the cleaning device is further provided with a supply device for supplying cleaning liquid and a cleaning pipeline communicated with the supply device, one port of the cleaning pipeline extends into the lower cavity, and a spray head is also arranged on one port of the cleaning pipeline;
in addition, a fourth electromagnetic valve and a third water pump are also arranged on the cleaning pipeline.
The utility model has the beneficial effects that ① this heat pump type low temperature evaporation equipment's novel structure, reasonable, collect evaporation and condensation processing in an organic whole, on the one hand can effectively promote the compactness of equipment, make the processing technology of equipment simplify greatly, and make the manufacturing cost greatly reduced of whole equipment, on the other hand can also make steam in the cooling that upwards volatilizees the in-process faster become the comdenstion water, on the reassembling the utility model discloses a suction device that adopts can be fast, effectively go out the whole suction of comdenstion water, can make the work efficiency of whole equipment improve greatly, energy consumption greatly reduced ② is different from the multi-effect evaporator and the MVR evaporimeter that adopt among the prior art, this heat pump type low temperature evaporation equipment is at the during operation, because the vacuum in the jar is higher, can make waste water just begin to boil when being heated 30 degrees, not only can effectively avoid going out water quality of water unclean like this, still can avoid jar internal, and then reduced manufacturing cost effectively, and prolonged the life of equipment ③ the defoaming device simple structure that adopts, novel, can effectively with the quality of water separation of water steam, puncture, thereby the water quality of water that has guaranteed to pierce through steam and steam evaporation speed is evaporated, thereby has promoted the evaporation speed of volatilizing is greatly improved.
Drawings
FIG. 1 is a schematic structural diagram of a heat pump type low temperature evaporation apparatus for treating wastewater according to the present invention;
fig. 2 is a schematic sectional structure diagram of the defoaming device of the present invention;
FIG. 3 is an enlarged view of the portion A shown in FIG. 2;
fig. 4 is a schematic view of a partial three-dimensional structure of the defoaming device of the present invention;
fig. 5 is an enlarged schematic view of a portion B shown in fig. 4.
The following description is made with reference to the accompanying drawings:
1-retort 10-body
11 defoaming device 110 baffle
1100-plate body 1101-first through-hole
111-defoaming net 1111-wave crest
1112-wave trough 1113-second through hole
112-fixed frame 113-flow guiding seal head
12-waste water inlet pipeline 13-second electromagnetic valve
2-heat exchange device 20-heat pump compressor
21-first Heat exchanger 22-second Heat exchanger
23 expansion valve 24 third Heat exchanger
3-suction device 30-water storage container
31-water outlet pipe 32-water inlet pipe
33-circulation line 34-circulation pump
35-vacuum ejector 40-drainage pipeline
41-third electromagnetic valve 42-second water pump
5-vacuum exhaust valve 60-slag discharge pipeline
61-first electromagnetic valve 62-first Water Pump
70-cleaning pipeline 71-fourth electromagnetic valve
72-third Water Pump
Detailed Description
Other advantages and capabilities of the present invention will be readily apparent to those skilled in the art from the disclosure herein.
It should be understood that the structures, ratios, sizes, etc. shown in the drawings attached to the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, changes of the ratio relation or adjustment of the size should still fall within the scope covered by the technical contents disclosed in the present invention without affecting the function and the achievable purpose of the present invention. The terms "first," "second," "third," and "fourth" used herein are used for convenience of description and are not intended to limit the scope of the invention, and the relative relationship therebetween may be changed or adjusted without substantial technical changes.
Example 1:
please refer to fig. 1, which is a schematic structural diagram of a heat pump type low temperature evaporation apparatus for treating wastewater according to the present invention.
The heat pump type low-temperature evaporation equipment for treating the wastewater comprises a distillation tank 1, a heat exchange device 2 and a suction device 3, wherein the distillation tank 1 is provided with a hollow tank body 10 and a defoaming device 11 which is arranged in the inner cavity of the tank body 10 and used for eliminating foam, the defoaming device 11 divides the inner cavity of the tank body 10 into an upper cavity and a lower cavity which are arranged up and down, and the tank body 10 is also provided with a wastewater inlet pipeline 12 which is communicated with the lower cavity and used for conveying the wastewater;
the heat exchange device 2 is provided with a heat pump compressor 20 arranged beside the outer side of the tank body 10, a first heat exchanger 21 positioned and installed in the lower cavity and a second heat exchanger 22 positioned and installed in the upper cavity, and the heat pump compressor 20, the first heat exchanger 21 and the second heat exchanger 22 are sequentially connected to form a closed circulation passage for the circulation of a heat medium or a refrigerant medium;
the suction device 3 is provided with a water storage container 30 which is arranged beside the outer side of the tank body 10 and used for temporarily storing condensed water, a water outlet pipeline 31 which is communicated with the upper cavity and used for outputting the condensed water, and a suction mechanism which is connected between the water storage container 30 and the water outlet pipeline 31 and can drive the water in the water storage container 30 to circularly flow, so that the gas or the condensed water in the inner cavity of the tank body 10 is sucked out;
in addition, a drain line 40 for discharging condensed water is connected to the drain port of the water storage container 30.
In the present embodiment, it is preferable that a vacuum exhaust valve 5 is installed on the top of the can body 10; a slag discharge pipeline 60 which is communicated with the lower cavity of the tank body 10 and is used for discharging waste liquid slag is arranged at the bottom of the tank body, and a first electromagnetic valve 61 and a first water pump 62 are also arranged on the slag discharge pipeline 60;
a second electromagnetic valve 13 is attached to the waste water inlet pipe 12.
In this embodiment, preferably, referring to fig. 2 to 5, the defoaming device 11 includes a baffle 110 and a defoaming net assembly, the baffle 110 has a plate main body 1100 made of a plastic material (preferably teflon material) and transversely installed in the inner cavity of the tank body 10, the plate main body 1100 divides the inner cavity of the tank body 10 into the upper cavity and the lower cavity, and the plate main body 1100 is further provided with a plurality of first through holes 1101 which penetrate through the upper and lower side surfaces of the plate main body 1100 and through which water vapor can pass; the defoaming net assembly comprises at least two defoaming nets 111 made of metal materials, wherein the at least two defoaming nets 111 are arranged in an up-and-down overlapping manner and are positioned and installed on the upper side surface of the plate main body 1100, each defoaming net 111 is also wavy, namely each defoaming net 111 is provided with a plurality of wave crest portions 1111 (upwards convex) and wave trough portions 1112 (downwards concave) which are sequentially and alternately arranged, the top end of each wave crest portion 1111 is also provided with a plurality of second through holes 1113 through which water vapor can pass, in addition, any adjacent wave crest portion 1111 and one wave trough portion 1112 share one wall, and each shared wall is also provided with a plurality of second through holes through which water vapor can pass.
Further preferably, the first through holes 1101 are uniformly distributed in the middle of the plate body 1100;
the number of the defoaming nets 111 is three (but not limited to three), the three defoaming nets 111 are arranged in an up-down overlapping manner, and the three defoaming nets 111 are further fixedly mounted at the middle position of the upper side surface of the plate main body 1100 through a fixing frame 112, that is, the defoaming nets 111 are arranged above the first through holes 1101 in a matching manner;
in addition, the vertical cross section of the crest portion 1111 in each of the foam nets 111 is in an inverted U shape, and the vertical cross section of the trough portion 1112 in each of the foam nets 111 is in a U shape.
Further preferably, a flow guide sealing head 113 made of a metal material is further arranged, the flow guide sealing head 113 is a hollow round-table-shaped structure body with two axial ends open, the flow guide sealing head 113 covers the defoaming net assembly, the flow guide sealing head 113 is located under the second heat exchanger 22, and the flow guide sealing head 113 is further connected with the upper side surface of the plate main body 1100 in a positioning mode.
In this embodiment, it is preferable that an outlet of the heat pump compressor 20 is communicated with an inlet of the first heat exchanger 21 through a first connecting line, an outlet of the first heat exchanger 21 is communicated with an inlet of the second heat exchanger 22 through a second connecting line, and an expansion valve 23 is further installed on the second connecting line;
a third heat exchanger 24 is further provided, the third heat exchanger 24 is positioned and installed in the water storage container 30, an inlet of the third heat exchanger 24 is communicated with an outlet of the second heat exchanger 22 through a third connecting pipeline, and an outlet of the third heat exchanger 24 is communicated with an inlet of the heat pump compressor 20 through a fourth connecting pipeline.
In this embodiment, preferably, the water storage container 30 is further provided with a water inlet and a water circulation port, and the other port of the water outlet pipeline 31 extends into the upper chamber and is close to the bottom of the flow guide sealing head 113;
the suction mechanism is provided with a water inlet pipeline 32, a circulation pipeline 33, a circulation pump 34 and a vacuum ejector 35, wherein one port of the water inlet pipeline 32 is connected and communicated with a water inlet of the water storage container 30, one port of the circulation pipeline 33 is connected and communicated with a water circulation port of the water storage container 30, the circulation pump 34 is installed on the circulation pipeline 33, three ports on the vacuum ejector 35 are correspondingly communicated with one port of the water outlet pipeline 31, the other port of the water inlet pipeline 32 and the other port of the circulation pipeline 33 respectively, and the circulation pump 34 and the vacuum ejector 35 cooperate to drive water in the water storage container 30 to circularly flow, so that gas or condensed water in the inner cavity of the tank body 10 is sucked out.
In this embodiment, it is preferable that a third electromagnetic valve 41 and a second water pump 42 are installed on the drain line 40.
In this embodiment, it is preferable that a cleaning device is further provided, the cleaning device has a supply device (such as a water tank) for supplying a cleaning liquid and a cleaning pipeline 70 communicated with the supply device, an end of the cleaning pipeline 70 extends into the lower cavity, and a shower head is further mounted on an end of the cleaning pipeline 70; in addition, a fourth solenoid valve 71 and a third water pump 72 are mounted on the purge line 70.
Furthermore, the utility model also provides a heat pump type low temperature evaporation equipment's waste water treatment method specifically is:
① before the device is operated, clean water is stored in the water storage container 30 in advance;
when the equipment starts to operate, the controller controls the circulation pump 34 to be started, the purified water in the water storage container 30 is sucked and flows out through the circulation pump 34, then flows out through the vacuum ejector 35, and finally returns to the water storage container 30, the water circulation flow process is continuously carried out, the air in the tank body 10 is continuously sucked out, and therefore negative pressure vacuum is formed in the tank body 10; then, the controller controls the second electromagnetic valve 13 to open, and wastewater is sucked into the lower cavity of the tank body 10;
② when the waste water reaches the set liquid level, the liquid level sensor mounted on the tank 10 senses the waste water level information and transmits the information to the controller, the controller controls the second electromagnetic valve 13 to close, the waste water does not enter any more, at this time, the vacuum degree in the tank 10 is continuously increased, when the vacuum degree in the tank 10 reaches above 90KPa, the controller controls the heat pump compressor 20 to start and operate, the heat medium continuously flows out from the heat pump compressor 20 and enters the first heat exchanger 21, the first heat exchanger 21 exchanges heat with the waste water in the tank 10, and the flow route of the heat medium or the cold medium is that the heat medium flows out from the first heat exchanger 21, enters the expansion valve 23, is changed into a low-temperature and low-pressure refrigerant after exiting through the expansion valve 23, then the low-temperature and low-pressure refrigerant sequentially flows through the second heat exchanger 22 and the third heat exchanger 24 and finally flows back to the heat pump compressor 20;
because the vacuum degree in the tank body 10 is high, the wastewater can be boiled when being heated to more than 30 ℃, the boiling liquid is continuously vaporized to be changed into water vapor and rises, and because the wastewater contains other substances and the action of vacuum, a small amount of or a large amount of foam can be formed in the wastewater, and the foam can volatilize upwards along with the water vapor, when passing through the defoaming device 11, the foam is blocked and punctured by a defoaming net assembly in the defoaming device 11, so that the penetrating water vapor is pure, the pure water vapor continues to rise through the flow guide sealing head 113 and then exchanges heat and cold with the second heat exchanger 22, and the water vapor is cooled to generate condensed water and falls around the flow guide sealing head 113;
③ the condensed water in the upper chamber is pumped out through the outlet pipe 31 and flows into the water storage container 30, and at the same time, as the clean condensed water continuously flows into the water storage container 30, when reaching the condensed water outlet liquid level, the condensed water flows out through the drain pipe 40;
④ when the waste water is evaporated to a certain concentration, the device will automatically control to open the vacuum exhaust valve 5 to exhaust the vacuum in the tank 10, then the controller controls the first electromagnetic valve 61 to open and the first water pump 62 to start, the waste liquid slag (concentrated liquid slag) will be exhausted through the slag discharge pipeline 60;
when the slag is discharged, the controller controls the fourth electromagnetic valve 71 to be opened and controls the third water pump 72 to be started, the cleaning liquid enters the lower cavity through the cleaning pipeline 70, the lower cavity and the first heat exchanger 21 are cleaned through the spray header, and the cleaning waste liquid is discharged along with the waste liquid slag.
After cleaning and deslagging are finished, the equipment automatically returns to the initial state, and the next batch of work is restarted.
To sum up, a heat pump type low temperature evaporation equipment for handling waste water's novel structure, reasonable collects evaporation and condensation processing in an organic whole, has not only simplified processing technology, has reduced manufacturing cost and energy consumption, has still improved work efficiency greatly, has promoted out water quality of water, and has prolonged the life of equipment.
The above embodiments are merely illustrative of the efficacy of the present invention, and not intended to limit the present invention, and it should be noted that, for those skilled in the art, a number of modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be considered as within the scope of the present invention.
Claims (9)
1. A heat pump type low temperature evaporation apparatus for treating wastewater, characterized in that: the device comprises a distillation tank (1), a heat exchange device (2) and a suction device (3), wherein the distillation tank (1) is provided with a hollow tank body (10) and a defoaming device (11) which is arranged in the inner cavity of the tank body (10) and used for eliminating foam, the defoaming device (11) divides the inner cavity of the tank body (10) into an upper cavity and a lower cavity which are arranged up and down, and the tank body (10) is also provided with a waste water inlet pipeline (12) which is communicated with the lower cavity and used for conveying waste water;
the heat exchange device (2) is provided with a heat pump compressor (20) arranged beside the outer side of the tank body (10), a first heat exchanger (21) positioned and installed in the lower cavity and a second heat exchanger (22) positioned and installed in the upper cavity, and the heat pump compressor (20), the first heat exchanger (21) and the second heat exchanger (22) are sequentially connected to form a closed circulation passage for the circulation of heat medium or refrigerant medium;
the suction device (3) is provided with a water storage container (30) which is arranged beside the outer side of the tank body (10) and used for temporarily storing condensed water, a water outlet pipeline (31) which is communicated with the upper cavity and used for outputting the condensed water, and a suction mechanism which is connected between the water storage container (30) and the water outlet pipeline (31), wherein the suction mechanism can drive water in the water storage container (30) to circularly flow, and thus gas or the condensed water in the inner cavity of the tank body (10) is sucked out;
in addition, a drainage pipeline (40) for draining condensed water is connected to the drainage port of the water storage container (30).
2. A heat pump low temperature evaporation apparatus for treating wastewater according to claim 1, wherein: a vacuum exhaust valve (5) is arranged on the top of the tank body (10); a slag discharge pipeline (60) which is communicated with the lower cavity of the tank body (10) and is used for discharging waste liquid slag is arranged at the bottom of the tank body, and a first electromagnetic valve (61) and a first water pump (62) are also arranged on the slag discharge pipeline (60);
in addition, a second electromagnetic valve (13) is mounted on the waste water inlet pipeline (12).
3. A heat pump low temperature evaporation apparatus for treating wastewater according to claim 1, wherein: the defoaming device (11) comprises a baffle (110) and a defoaming net component, the baffle (110) is provided with a plate main body (1100) which is made of plastic materials and is transversely arranged in the inner cavity of the tank body (10), the plate main body (1100) divides the inner cavity of the tank body (10) into an upper cavity and a lower cavity, and the plate main body (1100) is also provided with a plurality of first through holes (1101) which penetrate through the upper side surface and the lower side surface of the plate main body and can allow water vapor to pass through; defoaming net subassembly has at least two defoaming net (111) of being made by the metal material, at least two defoaming net (111) are upper and lower stack arrangement and together the location install in on the side of going up of board main part (1100), each defoaming net (111) all still are wavy, promptly each defoaming net (111) all have a plurality of crest portion (1111) and trough portion (1112) of arranging in turn in proper order, and at each still be provided with a plurality of second through-hole (1113) that can supply water vapor to pass through on the top of crest portion (1111).
4. A heat pump low temperature evaporation apparatus for treating wastewater according to claim 3, wherein: the first through holes (1101) are uniformly distributed in the middle of the plate main body (1100);
the number of the defoaming nets (111) is three, the three defoaming nets (111) are arranged in an up-down overlapping mode, and the three defoaming nets (111) are fixedly arranged at the middle position of the upper side face of the plate main body (1100) through a fixing frame (112);
in addition, the vertical cross section of the wave crest portion (1111) in each of the defoaming nets (111) is in an inverted U shape, and the vertical cross section of the wave trough portion (1112) in each of the defoaming nets (111) is in a U shape.
5. A heat pump low temperature evaporation apparatus for treating wastewater according to claim 4, wherein: still be equipped with one by the water conservancy diversion head (113) that the metal material made, water conservancy diversion head (113) are the equal open cavity round platform shape structure in axial both ends, water conservancy diversion head (113) cover is located outside the defoaming net subassembly, and simultaneously water conservancy diversion head (113) still are located under second heat exchanger (22), water conservancy diversion head (113) still with the side location connection that goes up of board main part (1100).
6. A heat pump low temperature evaporation apparatus for treating wastewater according to claim 1, wherein: an outlet of the heat pump compressor (20) is communicated with an inlet of the first heat exchanger (21) through a first connecting pipeline, an outlet of the first heat exchanger (21) is communicated with an inlet of the second heat exchanger (22) through a second connecting pipeline, and an expansion valve (23) is further installed on the second connecting pipeline;
a third heat exchanger (24) is further arranged, the third heat exchanger (24) is positioned and installed in the water storage container (30), an inlet of the third heat exchanger (24) is communicated with an outlet of the second heat exchanger (22) through a third connecting pipeline, and an outlet of the third heat exchanger (24) is communicated with an inlet of the heat pump compressor (20) through a fourth connecting pipeline.
7. A heat pump low temperature evaporation apparatus for treating wastewater according to claim 1, wherein: the water storage container (30) is also provided with a water inlet and a water circulation port;
the suction mechanism is provided with a water inlet pipeline (32), a circulating pipeline (33), a circulating pump (34) and a vacuum ejector (35), wherein one port of the water inlet pipeline (32) is connected and communicated with the water inlet of the water storage container (30), one port of the circulating pipeline (33) is connected and communicated with a water circulating port of the water storage container (30), the circulating pump (34) is arranged on the circulating pipeline (33), three ports on the vacuum ejector (35) are respectively communicated with one port of the water outlet pipeline (31), the other port of the water inlet pipeline (32) and the other port of the circulating pipeline (33) correspondingly, and the circulation pump (34) also cooperates with the vacuum ejector (35), so as to drive the water in the water storage container (30) to circularly flow, and thereby, the gas or the condensed water in the inner cavity of the tank body (10) is pumped out.
8. A heat pump low temperature evaporation apparatus for treating wastewater according to claim 1, wherein: and a third electromagnetic valve (41) and a second water pump (42) are arranged on the drainage pipeline (40).
9. A heat pump low temperature evaporation apparatus for treating wastewater according to claim 1, wherein: the cleaning device is also provided with a supply device for supplying cleaning liquid and a cleaning pipeline (70) communicated with the supply device, one port of the cleaning pipeline (70) extends into the lower cavity, and a spray head is further mounted on one port of the cleaning pipeline (70);
in addition, a fourth electromagnetic valve (71) and a third water pump (72) are also mounted on the cleaning pipeline (70).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921234213.5U CN210674243U (en) | 2019-08-01 | 2019-08-01 | Heat pump type low-temperature evaporation equipment for treating wastewater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921234213.5U CN210674243U (en) | 2019-08-01 | 2019-08-01 | Heat pump type low-temperature evaporation equipment for treating wastewater |
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| CN210674243U true CN210674243U (en) | 2020-06-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112093836A (en) * | 2020-10-13 | 2020-12-18 | 昆山市博事杰机械科技有限公司 | Waste water heat pump type low-temperature evaporator |
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2019
- 2019-08-01 CN CN201921234213.5U patent/CN210674243U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112093836A (en) * | 2020-10-13 | 2020-12-18 | 昆山市博事杰机械科技有限公司 | Waste water heat pump type low-temperature evaporator |
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