CN220250196U - Workshop local environment adjusting device based on ground source heat pump - Google Patents
Workshop local environment adjusting device based on ground source heat pump Download PDFInfo
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- CN220250196U CN220250196U CN202321732206.4U CN202321732206U CN220250196U CN 220250196 U CN220250196 U CN 220250196U CN 202321732206 U CN202321732206 U CN 202321732206U CN 220250196 U CN220250196 U CN 220250196U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 124
- 239000007788 liquid Substances 0.000 claims abstract description 33
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 56
- 229910052802 copper Inorganic materials 0.000 claims description 56
- 239000010949 copper Substances 0.000 claims description 56
- 239000003507 refrigerant Substances 0.000 claims description 21
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 9
- 238000003754 machining Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of ground source heat pump application, in particular to a workshop local environment adjusting device based on a ground source heat pump. The device comprises an integrated box body, wherein the integrated box body is arranged at one side of a workshop, the height of the integrated box body is more than 2.2 meters, the height of an air outlet on the integrated box body is about 2 meters, and the height of the air inlet is less than 1 meter; an earth gas type ground source heat pump unit and a control module are arranged in the integrated box body, and the earth gas type ground source heat pump unit is controlled to operate through the control module; the earth gas type ground source heat pump unit comprises a compressor, a gas-liquid separator, a sleeve heat exchanger, a fin heat exchanger, a buried water collector, a water pump, a throttle valve, a four-way electromagnetic valve, a control module and a fan; the control module circuit is connected with the fan, the four-way electromagnetic valve, the water pump and the compressor; the utility model has the advantages that the design is reasonable, the heat of the natural environment is injected into the ground when the temperature is reduced in summer, the heat injected into the ground in winter is taken back when the temperature is reduced in winter, the environment is not polluted, the electricity and the energy are saved, and the running cost is reduced.
Description
Technical Field
The utility model relates to the technical field of ground source heat pump application, in particular to a workshop local environment adjusting device based on a ground source heat pump.
Background
In the solar system, most of solar radiation energy is absorbed by the earth, the underground temperature is between 15 meters and 150 meters, and the earth temperature or the water temperature is kept at about 17 ℃ throughout the year; such temperatures are lower than the summer ambient temperature and higher than the winter ambient temperature. The solar energy accumulated in the shallow layer of the earth has the characteristics of good stability, low cost, no pollution and zero emission, and has the defect of low temperature which is obviously lower than 24 degrees required by heating.
The water flows to the lower part, and the heat naturally flows from the high-temperature object to the ground-temperature object; if the heat is required to flow from the low-temperature 17 ℃ environment to the heating-required 24 ℃ environment, the heat pump is driven to do work by external electric energy, so that the heat is transferred from the low-temperature environment to the high-temperature environment. Thermodynamic principles reveal that the temperature in winter is below zero, and the heating efficiency from the ground source is much higher than that from the air energy by utilizing the heat pump technology; the temperature in summer is above 30 ℃ as well, and the temperature is reduced by using the ground source heat pump technology, so that the efficiency of reducing the temperature is much higher than that of reducing the temperature from air energy. In the heat pump system, the compressor is a heart, and the actions of sucking, compressing and conveying refrigerant steam are completed by external electric energy; the condenser is a component for conveying heat, and the heat absorbed in the evaporator and the heat converted by the work of the compressor are transferred to the refrigerant medium to be taken away by the released heat; the evaporator is a component for delivering cold energy; the refrigerant medium absorbs the heat of the cooled object to realize refrigeration, and can release the heat to realize heating; the throttle valve plays a role in throttling and reducing pressure on the refrigerant medium, simultaneously controls and regulates the quantity of the refrigerant medium flowing into the evaporator, and divides the system into a high-pressure side and a low-pressure side. In addition to the four components described above, there are often auxiliary devices, such as a four-way solenoid valve, a dryer, a pressure controller, etc., which are provided to improve the economy, reliability and safety of the operation of the heat pump.
The utility model combines the ground source and the heat pump system, the heat of the ground source heat pump system is derived from earth shallow layer, namely soil, and the heat pump uses refrigerant medium gas to refrigerate or heat the system, namely gas, and the ground source heat pump system is combined into a ground gas type ground source heat pump unit. The earth-gas type ground source heat pump unit is characterized by large energy and high efficiency. As is well known, large machining workshops are provided with crown blocks, and the height of the workshops is often greater than 10 meters; the space of the workshop is too large, so that the whole heating or cooling is difficult; therefore, the large-scale machining workshop is hot in summer and cold in winter, and the working environment is poor. How to improve the working environment of a large machining workshop is obviously not feasible as a whole; since the personnel are all movable in the local space of the workshop floor with the height of 2 meters, only the improvement of the local space environment can be considered. The earth-gas type ground source heat pump unit is provided with a large-flow fan, and is suitable for creating a more comfortable local environment within 2 meters of the height of a workshop of a large machining workshop.
Disclosure of Invention
Aiming at the problems of cold in winter and hot in summer and poor working environment of a large-scale machining workshop, the utility model aims to provide a workshop local environment adjusting device based on a ground source heat pump, which provides a local comfortable environment with a height of about 2 meters in the large-scale machining workshop and expands the application of the ground source heat pump technology.
The utility model is realized by adopting the following technical scheme:
the workshop local environment adjusting device based on the ground source heat pump comprises an integrated box body, wherein the integrated box body is arranged on one side of a workshop, the height of the integrated box body is more than 2.2 meters, the height of an air outlet on the integrated box body is about 2 meters, and the height of an air inlet is less than 1 meter; an earth gas type ground source heat pump unit and a control module are arranged in the integrated box body, and the earth gas type ground source heat pump unit is controlled to operate through the control module;
the earth gas type ground source heat pump unit comprises a compressor, a gas-liquid separator, a sleeve heat exchanger, a fin heat exchanger, a buried water collector, a water pump, a throttle valve, a four-way electromagnetic valve, a control module and a fan; the control module circuit is connected with the fan, the four-way electromagnetic valve, the water pump and the compressor;
the buried water collector comprises a plurality of ground source wells and a plurality of u-shaped water return pipes, wherein the u-shaped water return pipes are arranged in the ground source wells, and the water temperature inside the u-shaped water return pipes is the same as the water temperature of the ground source wells; a plurality of u-shaped water return pipes are connected in parallel, one end of each u-shaped water return pipe is a water outlet of the buried water collector, and the other end of each u-shaped water return pipe is a water return port of the buried water collector;
the fin heat exchanger adopts a copper pipe fin heat exchanger, fins are arranged around a copper pipe to accelerate heat dissipation, the copper pipe fin heat exchanger is arranged at an air outlet at the upper part of the integrated box body, the size of the copper pipe fin heat exchanger is matched with that of the air outlet at the upper part of the integrated box body, a fan is arranged behind the copper pipe fin heat exchanger, the fan sucks air from an air inlet at the lower part of the integrated box body, and air supplied by the fan passes through the copper pipe fin heat exchanger and the air outlet at the upper part of the integrated box body; the air supplied by the fan translates at the height of 2 meters in the workshop, sinks and returns again to form local air circulation;
the sleeve heat exchanger is characterized in that a heat exchange sleeve is sleeved outside the copper coil, one end of the copper coil is connected with one end of the throttle valve, the other end of the copper coil is connected with the left side interface of the four-way electromagnetic valve, and a refrigerant medium is introduced into the copper coil; one end of the heat exchange sleeve is connected with a water outlet of the water pump, a water inlet of the water pump is connected with a water outlet of the buried water collector, and a water return port of the buried water collector is connected with the other end of the heat exchange sleeve;
the high-pressure outlet of the compressor is connected with the high-pressure inlet at the upper end of the four-way electromagnetic valve, the outlet at the right side of the lower end of the four-way electromagnetic valve is connected with one end of a fin heat exchanger, and the other end of the fin heat exchanger is connected with the other end of the throttle valve; the inlet of the compressor is connected with the outlet of the gas-liquid separator, and the inlet of the gas-liquid separator is connected with the middle interface at the lower end of the four-way electromagnetic valve;
application principle introduction of workshop local environment adjusting device based on ground source heat pump
Heating and warming in winter, wherein the temperature of the workshop environment is lower than the water temperature of the buried water collector; the control module controls the high-pressure inlet at the upper end of the four-way electromagnetic valve to be communicated with the right-side outlet at the lower end of the four-way electromagnetic valve, the right-side outlet at the lower end of the four-way electromagnetic valve is communicated with the fin heat exchanger, the fin heat exchanger is a condenser, the middle outlet at the lower end of the four-way electromagnetic valve is communicated with the left-side outlet at the lower end of the four-way electromagnetic valve, the left-side outlet at the lower end of the four-way electromagnetic valve is communicated with the copper coil of the sleeve heat exchanger, and the coil heat exchanger is an evaporator; the control module starts a water pump, the water pump pumps water from a water outlet of the buried water collector to pass through a heat exchange sleeve of the sleeve heat exchanger, and the water flows back to the buried water collector from a water return port of the buried water collector; the control module starts the compressor, the compressor sucks refrigerant gas with lower pressure from the gas-liquid separator, the refrigerant gas is sent to the copper tube fin heat exchanger of the condenser after working to raise the pressure, the refrigerant gas is condensed into liquid with higher pressure in the copper tube fin heat exchanger, and the process is an exothermic process; the released heat is blown into a workshop by a fan for heating; the total heat is equal to the physical working heat of the buried water collection carrying heat and the compressor; the condensed liquid in the copper tube fin heat exchanger is throttled by a throttle valve, becomes liquid with lower pressure, and then is sent into a copper coil of the coil heat exchanger to absorb the heat of the buried water collection to evaporate, so that the liquid becomes vapor with lower pressure, and the vapor with lower pressure enters the compressor again through a gas-liquid separator to complete circulation.
Refrigerating in summer, wherein the temperature of the workshop environment is higher than the water temperature of the buried water collector; the control module controls the high-pressure inlet at the upper end of the four-way electromagnetic valve to be communicated with the left outlet at the lower end of the four-way electromagnetic valve, the left outlet at the lower end of the four-way electromagnetic valve is communicated with the copper coil pipe of the double-pipe heat exchanger, the double-pipe heat exchanger is a condenser at the moment, the copper coil pipe of the double-pipe heat exchanger is communicated with the throttle valve, the throttle valve is communicated with the fin heat exchanger, and the fin heat exchanger is an evaporator at the moment; the middle outlet of the lower end of the four-way electromagnetic valve is communicated with the left outlet of the lower end of the four-way electromagnetic valve, and the left outlet of the lower end of the four-way electromagnetic valve is communicated with the fin heat exchanger; the control module starts a water pump, the water pump pumps water from the buried water collector to pass through a heat exchange sleeve of the sleeve heat exchanger, and the water pump flows back to the buried water collector again to take away the heat of the condenser; the control module starts the compressor, the compressor sucks the refrigerant gas with lower pressure from the gas-liquid separator, the refrigerant gas is sent into the copper coil of the double-pipe heat exchanger after doing work to raise the pressure, the high-pressure gas is condensed into liquid with higher pressure in the copper coil of the double-pipe heat exchanger, the process is an exothermic process, and the exothermic heat is taken away by the flowing water of the heat exchange double-pipe heat exchanger and injected into the ground; the total heat released is equal to the heat absorbed by the refrigerant in the environment and the physical working heat of the compressor; the liquid with higher pressure passes through a throttle valve and becomes liquid with lower pressure and then is sent into a copper pipe fin heat exchanger, the liquid is evaporated into gas with lower pressure in the copper pipe fin heat exchanger, and the evaporation process is an endothermic process; negative heat in the heat absorption process is blown into a workshop by a fan to cool; the lower steam passes through the gas-liquid separator and enters the compressor again to complete the cycle.
The earth-gas type ground source heat pump unit system has the advantages that the earth-gas type ground source heat pump unit system is reasonable in design, natural environment heat is injected into the ground when the temperature is reduced in summer, the heat injected into the ground in winter is taken back again when the temperature is reduced in winter, the environment is not polluted, electricity and energy conservation are realized, and the running cost is reduced.
Drawings
Fig. 1 shows a schematic structural block diagram of a plant local environment adjusting device based on a ground source heat pump.
FIG. 2 is a schematic diagram showing the structure of a workshop local environment adjusting device based on a ground source heat pump
In the figure: 1. the device comprises a compressor, 2, a gas-liquid separator, 3, an electromagnetic four-way valve, 4, a copper pipe fin heat exchanger, 5, a fan, 6, a throttle valve, 7, a copper pipe fin heat exchanger, 71, a copper coil pipe, 72, a copper sleeve, 8, an underground water collector, 81, a water collecting well, 82, a u-shaped water return pipe, 9, a water pump, 10, an integrated box body, 10.1, an air outlet, 10.2, an air path, 10.3, an air inlet, 11 and a control module.
Detailed Description
Specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
The device for adjusting the local environment of the workshop based on the ground source heat pump comprises an integrated box body (10), wherein the integrated box body (10) is arranged on one side of the workshop, the height of the integrated box body (10) is greater than 2.2 meters, the height of an air outlet (10.1) on the integrated box body (10) is about 2 meters, and the height of an air inlet (10.3) is less than 1 meter; an earth gas type ground source heat pump unit and a control module (11) are arranged in the integrated box body (10), and the earth gas type ground source heat pump unit is controlled to run through the control module (11);
the earth gas type ground source heat pump unit comprises a compressor (1), a gas-liquid separator (2), a sleeve heat exchanger (7), a fin heat exchanger (4), a buried water collector (8), a water pump (9), a throttle valve (6), a four-way electromagnetic valve (3), a control module (11) and a fan (5); the control module (11) is connected with the fan (5), the four-way electromagnetic valve (3), the water pump (9) and the compressor (1) through circuits;
the buried water collector (8) comprises a plurality of ground source wells (8.1) and a plurality of u-shaped water return pipes (8.2), wherein the u-shaped water return pipes (8.2) are arranged in the ground source wells (8.1), and the water temperature inside the u-shaped water return pipes (8.2) is the same as the water temperature of the ground source wells; a plurality of u-shaped water return pipes (8.1) are connected in parallel, one end of each u-shaped water return pipe is a water outlet of the buried water collector (8), and the other end of each u-shaped water return pipe is a water return port of the buried water collector (8);
the fin heat exchanger (4) adopts a copper pipe fin heat exchanger (4), fins are arranged around copper pipes to accelerate heat dissipation, after the copper pipe fin heat exchanger (4) is installed at an air outlet at the upper part of the integrated box body (10), the size of the copper pipe fin heat exchanger (4) is matched with the air outlet at the upper part of the integrated box body (10), a fan (5) is arranged behind the copper pipe fin heat exchanger (4), the fan (5) sucks air from an air inlet at the lower part of the integrated box body (10), and air supply of the fan (5) passes through the copper pipe fin heat exchanger (4) and the air outlet at the upper part of the integrated box body (10); the air supply of the fan (5) translates at the height of 2 meters in the workshop, sinks and returns again to form a local air circulation loop (10.2);
the sleeve heat exchanger (7) is characterized in that a heat exchange sleeve is sleeved outside the copper coil, one end of the copper coil is connected with one end of the throttle valve (6), the other end of the copper coil is connected with the left side interface of the four-way electromagnetic valve (3), and a refrigerant medium is introduced into the copper coil; one end of the heat exchange sleeve is connected with the water outlet of the water pump (9), the water inlet of the water pump (9) is connected with the water outlet of the buried water collector (8), and the water return port of the buried water collector (8) is connected with the other end of the heat exchange sleeve;
the high-pressure outlet of the compressor (1) is connected with the high-pressure inlet at the upper end of the four-way electromagnetic valve (3), the right outlet at the lower end of the four-way electromagnetic valve (3) is connected with one end of the fin heat exchanger (4), and the other end of the fin heat exchanger (4) is connected with the other end of the throttle valve (6); an inlet of the compressor (1) is connected with an outlet of the gas-liquid separator (2), and an inlet of the gas-liquid separator (2) is connected with a middle interface at the lower end of the four-way electromagnetic valve (3);
application principle introduction of workshop local environment adjusting device based on ground source heat pump
Heating and warming in winter, wherein the environmental temperature of a workshop is lower than the water temperature of the buried water collector (8); the control module (11) controls the high-pressure inlet at the upper end of the four-way electromagnetic valve (3) to be communicated with the right outlet at the lower end of the four-way electromagnetic valve (3), the right outlet at the lower end of the four-way electromagnetic valve (3) is communicated with the fin heat exchanger (4), the fin heat exchanger (4) is a condenser, the middle outlet at the lower end of the four-way electromagnetic valve (3) is communicated with the left outlet at the lower end of the four-way electromagnetic valve (3), the left outlet at the lower end of the four-way electromagnetic valve (3) is communicated with the copper coil pipe of the sleeve heat exchanger (7), and the coil heat exchanger is an evaporator; the control module (11) starts the water pump (9), the water pump (9) pumps water from the water outlet of the buried water collector (8) to pass through the heat exchange sleeve of the sleeve heat exchanger (7), and the water flows back to the buried water collector (8) from the water return port of the buried water collector (8); the control module (11) starts the compressor (1), the compressor (1) sucks refrigerant gas with lower pressure from the gas-liquid separator (2), the refrigerant gas is sent into the condenser copper tube fin heat exchanger (4) after working to raise the pressure, the refrigerant gas is condensed into liquid with higher pressure in the copper tube fin heat exchanger (4), and the process is an exothermic process; the released heat is blown into a workshop by a fan (5) for heating; the total heat is equal to the physical working heat of the buried water-collecting heat-carrying heating compressor (1); the condensed liquid in the copper tube fin heat exchanger (4) is throttled by a throttle valve (6) and then is sent into a copper coil of the coil heat exchanger to absorb the heat of the buried water and evaporate to become low-pressure steam, and the low-pressure steam enters the compressor (1) again through the gas-liquid separator (2) to complete circulation.
Refrigerating in summer, wherein the environmental temperature of the workshop is higher than the water temperature of the buried water collector (8); the control module (11) controls the high-pressure inlet at the upper end of the four-way electromagnetic valve (3) to be communicated with the left outlet at the lower end of the four-way electromagnetic valve (3), the left outlet at the lower end of the four-way electromagnetic valve (3) is communicated with the copper coil pipe of the double-pipe heat exchanger (7), the double-pipe heat exchanger (7) is a condenser at the moment, the copper coil pipe of the double-pipe heat exchanger (7) is communicated with the throttle valve (6), the throttle valve (6) is communicated with the fin heat exchanger (4), and the fin heat exchanger (4) is an evaporator at the moment; the middle outlet at the lower end of the four-way electromagnetic valve (3) is communicated with the left outlet at the lower end of the four-way electromagnetic valve (3), and the left outlet at the lower end of the four-way electromagnetic valve (3) is communicated with the fin heat exchanger (4); the control module (11) starts the water pump (9), the water pump (9) pumps water from the buried water collector (8) to pass through the heat exchange sleeve of the sleeve heat exchanger (7), and the water flows back to the buried water collector (8) again to take away the heat of the condenser; the control module (11) starts the compressor (1), the compressor (1) sucks the refrigerant gas with lower pressure from the gas-liquid separator (2), the refrigerant gas is sent into the copper coil of the sleeve heat exchanger (7) after working to raise the pressure, the high-pressure gas is condensed into liquid with higher pressure in the copper coil of the sleeve heat exchanger (7), the process is an exothermic process, and the released heat is taken away by the heat exchange sleeve running water of the sleeve heat exchanger (7) and injected into the ground; the total heat released is equal to the heat absorbed by the refrigerant in the environment and the physical working heat of the compressor (1); the liquid with higher pressure passes through a throttle valve (6) and becomes liquid with lower pressure and then is sent into a copper pipe fin heat exchanger (4), the liquid is evaporated into gas with lower pressure in the copper pipe fin heat exchanger (4), and the evaporation process is an endothermic process; negative heat in the heat absorption process is blown into a workshop by a fan (5) to cool; the lower steam passes through the gas-liquid separator (2) and enters the compressor (1) again to complete the cycle.
The earth-gas type ground source heat pump unit system has the advantages that the earth-gas type ground source heat pump unit system is reasonable in design, natural environment heat is injected into the ground when the temperature is reduced in summer, the heat injected into the ground in winter is taken back again when the temperature is reduced in winter, the environment is not polluted, electricity and energy conservation are realized, and the running cost is reduced.
Claims (2)
1. The workshop local environment adjusting device based on the ground source heat pump is characterized by comprising an integrated box body (10), wherein the integrated box body (10) is arranged on one side of a workshop, the height of the integrated box body (10) is more than 2.2 meters, the height of an air outlet (10.1) on the integrated box body (10) is about 2 meters, and the height of an air inlet (10.3) is less than 1 meter; an earth gas type ground source heat pump unit and a control module (11) are arranged in the integrated box body (10), and the earth gas type ground source heat pump unit is controlled to run through the control module (11).
2. The workshop local environment adjusting device based on the ground source heat pump as claimed in claim 1, wherein the ground gas type ground source heat pump unit comprises a compressor (1), a gas-liquid separator (2), a double-pipe heat exchanger (7), a fin heat exchanger (4), a buried water collector (8), a water pump (9), a throttle valve (6), a four-way electromagnetic valve (3), a control module (11) and a fan (5); the control module (11) is connected with the fan (5), the four-way electromagnetic valve (3), the water pump (9) and the compressor (1) through circuits; the buried water collector (8) comprises a plurality of ground source wells (8.1) and a plurality of u-shaped water return pipes (8.2), wherein the u-shaped water return pipes (8.2) are arranged in the ground source wells (8.1), and the water temperature inside the u-shaped water return pipes (8.2) is the same as the water temperature of the ground source wells; a plurality of u-shaped water return pipes (8.2) are connected in parallel, one end of each u-shaped water return pipe is a water outlet of the buried water collector (8), and the other end of each u-shaped water return pipe is a water return port of the buried water collector (8); the fin heat exchanger (4) adopts a copper pipe fin heat exchanger (4), fins are arranged around copper pipes to accelerate heat dissipation, after the copper pipe fin heat exchanger (4) is installed at an air outlet at the upper part of the integrated box body (10), the size of the copper pipe fin heat exchanger (4) is matched with the air outlet at the upper part of the integrated box body (10), a fan (5) is arranged behind the copper pipe fin heat exchanger (4), the fan (5) sucks air from an air inlet at the lower part of the integrated box body (10), and air supply of the fan (5) passes through the copper pipe fin heat exchanger (4) and the air outlet at the upper part of the integrated box body (10); the air supply of the fan (5) translates at the height of 2 meters in the workshop, sinks and returns again to form a local air circulation loop (10.2); the sleeve heat exchanger (7) is characterized in that a heat exchange sleeve is sleeved outside the copper coil, one end of the copper coil is connected with one end of the throttle valve (6), the other end of the copper coil is connected with the left side interface of the four-way electromagnetic valve (3), and a refrigerant medium is introduced into the copper coil; one end of the heat exchange sleeve is connected with the water outlet of the water pump (9), the water inlet of the water pump (9) is connected with the water outlet of the buried water collector (8), and the water return port of the buried water collector (8) is connected with the other end of the heat exchange sleeve; the high-pressure outlet of the compressor (1) is connected with the high-pressure inlet at the upper end of the four-way electromagnetic valve (3), the right outlet at the lower end of the four-way electromagnetic valve (3) is connected with one end of the fin heat exchanger (4), and the other end of the fin heat exchanger (4) is connected with the other end of the throttle valve (6); the inlet of the compressor (1) is connected with the outlet of the gas-liquid separator (2), and the inlet of the gas-liquid separator (2) is connected with the middle interface of the lower end of the four-way electromagnetic valve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321732206.4U CN220250196U (en) | 2023-07-04 | 2023-07-04 | Workshop local environment adjusting device based on ground source heat pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321732206.4U CN220250196U (en) | 2023-07-04 | 2023-07-04 | Workshop local environment adjusting device based on ground source heat pump |
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| Publication Number | Publication Date |
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| CN220250196U true CN220250196U (en) | 2023-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202321732206.4U Active CN220250196U (en) | 2023-07-04 | 2023-07-04 | Workshop local environment adjusting device based on ground source heat pump |
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| CN (1) | CN220250196U (en) |
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2023
- 2023-07-04 CN CN202321732206.4U patent/CN220250196U/en active Active
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