CN112762532A - Water source heat pump groundwater formula vortex internal conversion heat recovery unit - Google Patents
Water source heat pump groundwater formula vortex internal conversion heat recovery unit Download PDFInfo
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- CN112762532A CN112762532A CN202110086665.9A CN202110086665A CN112762532A CN 112762532 A CN112762532 A CN 112762532A CN 202110086665 A CN202110086665 A CN 202110086665A CN 112762532 A CN112762532 A CN 112762532A
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- heat exchanger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Energy (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention relates to a groundwater type vortex internal conversion heat recovery unit of a water source heat pump, which comprises: the system comprises a compressor, a heat exchanger, an electromagnetic valve, a four-way reversing valve, a first heat exchanger, an expansion valve, a second heat exchanger and a gas-liquid separator; the compressor is respectively connected with the heat exchanger and the electromagnetic valve which is connected with the four-way reversing valve; the four-way reversing valve is respectively connected with the first heat exchanger, the second heat exchanger and the gas-liquid separator; the gas-liquid separator is connected with the compressor; the first heat exchanger is connected with the second heat exchanger through an expansion valve; the heat exchanger is embedded into the hot water tank, the water inlet of the hot water tank is connected with a tap water pipe, and the water outlet of the hot water tank is connected with a user water supply pipe; the water inlet and the water outlet of the second heat exchanger are connected with a user air-conditioning pipeline, and the water inlet and the water outlet of the first heat exchanger are connected with a water lifting pipeline and a water return pipeline of underground water. The heat exchange recovery unit extracts solar energy and geothermal energy absorbed by a shallow water source on the earth surface and then applies the solar energy and the geothermal energy to the simultaneous use of hot water and heating or the simultaneous use of hot water and cooling.
Description
Technical Field
The invention belongs to the technical field of heat recovery, and relates to a groundwater type vortex internal conversion heat recovery unit of a water source heat pump.
Background
The domestic water and heating mode used in many areas at present is coal boiler and electric boiler heating. However, the problem of air pollution caused by coal-fired heat-producing water and a heating mode becomes more obvious in recent years, and the electric heating mode has the defects of high energy consumption and loss blocks. Accordingly, there is an increasing awareness of the necessity and urgency to find new environmentally friendly ways of producing and supplying heat.
Disclosure of Invention
In order to solve the technical problems, the invention provides a water source heat pump underground water type vortex internal conversion heat recovery unit, which utilizes the water source heat pump technology to extract solar energy and geothermal energy absorbed by a shallow water source on the earth surface for producing hot water, refrigerating and heating.
The invention relates to a groundwater type vortex internal conversion heat recovery unit of a water source heat pump, which comprises: the system comprises a compressor, a heat exchanger, an electromagnetic valve, a four-way reversing valve, a first heat exchanger, an expansion valve, a second heat exchanger and a gas-liquid separator; the air exhaust port of the compressor is connected with a refrigerant inlet of the heat exchanger, a refrigerant outlet of the heat exchanger is connected with the four-way reversing valve, the air exhaust port of the compressor is connected with an inlet of the electromagnetic valve through a pipeline, and an outlet of the electromagnetic valve is connected with the four-way reversing valve through a pipeline; the four-way reversing valve is respectively connected with the inlets of the first heat exchanger, the second heat exchanger and the gas-liquid separator through pipelines; the outlet of the gas-liquid separator is connected with the air suction port of the compressor; the first heat exchanger is connected with the second heat exchanger, and the expansion valve is arranged on a pipeline connected with the first heat exchanger and the second heat exchanger; the heat exchanger is embedded into a hot water tank, a water inlet of the hot water tank is connected with a tap water pipe, and a water outlet of the hot water tank is connected with a user water supply pipe; the water inlet and the water outlet of the second heat exchanger are connected to a user air-conditioning pipeline, and the water inlet and the water outlet of the first heat exchanger are respectively connected with a water lifting pipeline and a water return pipeline of underground water.
In the underground water type vortex internal conversion heat recovery unit of the water source heat pump, the heat exchange recovery unit comprises a user heating mode, a first heat exchanger is used as an evaporator, and a second heat exchanger is used as a condenser; in the heating mode, an exhaust port of the compressor is connected with a refrigerant inlet of the heat exchanger, a refrigerant outlet of the heat exchanger is connected with a refrigerant inlet of the second heat exchanger through the four-way reversing valve, a refrigerant outlet of the second heat exchanger is connected with a refrigerant inlet of the first heat exchanger through the expansion valve, a refrigerant outlet of the first heat exchanger is connected with an inlet of the gas-liquid separator through the four-way reversing valve, and an outlet of the gas-liquid separator is connected with an air suction port of the compressor.
In the water source heat pump underground water type vortex internal conversion heat recovery unit, the heat exchange recovery unit comprises a user cold supply mode, a first heat exchanger is used as a condenser, and a second heat exchanger is used as an evaporator; in the cold supply mode, an exhaust port of the compressor is connected with a refrigerant inlet of the heat exchanger, a refrigerant outlet of the heat exchanger is connected with a refrigerant inlet of the first heat exchanger through the four-way reversing valve, a refrigerant outlet of the first heat exchanger is connected with a refrigerant inlet of the second heat exchanger through the expansion valve, a refrigerant outlet of the second heat exchanger is connected with an inlet of the gas-liquid separator through the four-way reversing valve, and an outlet of the gas-liquid separator is connected with an air suction port of the compressor.
In the underground water type vortex internal conversion heat recovery unit of the water source heat pump, a first stop valve is arranged on a pipeline connecting a compressor and a heat exchanger, and a second stop valve is arranged on a pipeline connecting the heat exchanger and a four-way reversing valve.
In the underground water type vortex internal conversion heat recovery unit of the water source heat pump, when the temperature of a hot water tank reaches a set temperature, an electromagnetic valve is opened.
In the underground water type vortex internal conversion heat recovery unit of the water source heat pump, the pipelines of the expansion valve connected with the first heat exchanger and the second heat exchanger are provided with filters.
The invention relates to a water source heat pump underground water type vortex internal conversion heat recovery unit, which utilizes the water source heat pump technology to extract solar energy and geothermal energy absorbed by a shallow water source on the earth surface and then produces hot water and supplies heat through a heat exchanger. When cooling is needed in summer, the functions of the first heat exchanger and the second heat exchanger are converted through the function of the four-way reversing valve, and cooling and hot water production can be carried out simultaneously. The heat recovery unit is simple in structure, energy in underground water is extracted when the unit operates, and the constant temperature of the underground water is not influenced.
Drawings
Fig. 1 is a structural diagram of a groundwater type vortex internal conversion heat recovery unit of a water source heat pump.
The system comprises a compressor 1, a heat exchanger 2, an electromagnetic valve 3, a four-way reversing valve 4, a first heat exchanger 5, an expansion valve 6, a second heat exchanger 7, a gas-liquid separator 8, a first stop valve 9, a second stop valve 10, a filter 11 and a hot water tank 12.
Detailed Description
The invention relates to a groundwater type vortex internal conversion heat recovery unit of a water source heat pump, which comprises: the system comprises a compressor 1, a heat exchanger 2, an electromagnetic valve 3, a four-way reversing valve 4, a first heat exchanger 5, an expansion valve 6, a second heat exchanger 7 and a gas-liquid separator 8. An exhaust port of the compressor 1 is connected with a refrigerant inlet of the heat exchanger 2, a refrigerant outlet of the heat exchanger 2 is connected with the four-way reversing valve 4, an exhaust port of the compressor 1 is connected with an inlet of the electromagnetic valve 3 through a pipeline, and an outlet of the electromagnetic valve 3 is connected with the four-way reversing valve 4 through a pipeline. The four-way reversing valve 4 is respectively connected with the inlets of the first heat exchanger 5, the second heat exchanger 6 and the gas-liquid separator 8 through pipelines. The outlet of the gas-liquid separator 8 is connected with the air suction port of the compressor 1; the first heat exchanger 5 is connected with the second heat exchanger 7, and the expansion valve 6 is arranged on a pipeline connecting the first heat exchanger 5 and the second heat exchanger 7. The heat exchanger 2 is embedded in a hot water tank 12, the water inlet of the hot water tank 12 is connected with a tap water pipe, and the water outlet of the hot water tank 12 is connected with a user water supply pipe. The water inlet and the water outlet of the second heat exchanger 7 are connected to a user air conditioning pipeline, and the water inlet and the water outlet of the first heat exchanger 5 are respectively connected with a water lifting pipeline and a water return pipeline of underground water.
The heat exchange recovery unit comprises a user heating mode, the first heat exchanger 5 serves as an evaporator, and the second heat exchanger 7 serves as a condenser. In the heating mode, an exhaust port of the compressor 1 is connected with a refrigerant inlet of the heat exchanger 2, a refrigerant outlet of the heat exchanger 2 is connected with a refrigerant inlet of the second heat exchanger 7 through the four-way reversing valve 4, a refrigerant outlet of the second heat exchanger 7 is connected with a refrigerant inlet of the first heat exchanger 5 through the expansion valve 6, a refrigerant outlet of the first heat exchanger 5 is connected with an inlet of the gas-liquid separator 8 through the four-way reversing valve 4, and an outlet of the gas-liquid separator 8 is connected with an air suction port of the compressor 1.
The heat exchange recovery unit further comprises a user cold supply mode, the first heat exchanger 5 serves as a condenser, and the second heat exchanger 7 serves as an evaporator. In a cooling mode, an exhaust port of the compressor 1 is connected with a refrigerant inlet of the heat exchanger 2, a refrigerant outlet of the heat exchanger 2 is connected with a refrigerant inlet of the first heat exchanger 5 through the four-way reversing valve 4, a refrigerant outlet of the first heat exchanger 5 is connected with a refrigerant inlet of the second heat exchanger 7 through the expansion valve 6, a refrigerant outlet of the second heat exchanger 7 is connected with an inlet of the gas-liquid separator 8 through the four-way reversing valve 4, and an outlet of the gas-liquid separator 8 is connected with an air suction port of the compressor 1.
A first stop valve 9 is provided on a pipeline connecting the compressor 1 and the heat exchanger 2, and a second stop valve 10 is provided on a pipeline connecting the heat exchanger 2 and the four-way selector valve 4. The first stop valve and the second stop valve are used for maintenance. When the hot water tank 12 reaches the set temperature, the electromagnetic valve 3 is opened. Both the pipes connecting the expansion valve 6 to the first heat exchanger 5 and the second heat exchanger 7 are provided with filters 11.
The working process is as follows:
1. in the user heating mode, the first heat exchanger 5 functions as an evaporator and the second heat exchanger 7 functions as a condenser. The heat exchange recovery unit is started to operate, underground water (about 12-15 degrees) enters the first heat exchanger 5 from the underground water inlet, the temperature of the underground water is reduced to about 7 degrees after the low-pressure low-temperature gaseous refrigerant in the first heat exchanger 5 absorbs the heat of the underground water, and the underground water is discharged from the outlet. The low-temperature gaseous refrigerant in the first heat exchanger 5 extracts heat in underground water and then is converted into medium-temperature gaseous refrigerant, the medium-temperature gaseous refrigerant enters from the third port C of the four-way reversing valve 4, and the medium-temperature gaseous refrigerant flows out of the fourth port D and enters the gas-liquid separator 8 through a pipeline to be separated out of liquid refrigerant contained in the medium-temperature gaseous refrigerant, so that the condition that the generated liquid refrigerant enters the compressor to cause mechanical loss or difficulty in compression of the compressor 1 is prevented. The medium-temperature gaseous refrigerant enters the compressor 1, is compressed and then is converted into a high-temperature high-pressure gaseous refrigerant, the high-temperature high-pressure gaseous refrigerant enters the hot water tank 12 through the heat exchanger 2, enters the four-way reversing valve 4 from the first port A, flows out of the second port B, enters the second heat exchanger 7 through a pipeline to be condensed, and the user heating water enters the second heat exchanger 7 to exchange heat and flows out of a water outlet of the second heat exchanger 7 to supply heat to the user. The high-temperature and high-pressure gaseous refrigerant after heat exchange is converted into liquid refrigerant to flow through the filter, the liquid refrigerant is filtered to remove moisture and impurities, enters the expansion valve 6, is throttled and decompressed, and the amount of the liquid refrigerant entering the first heat exchanger 5 is adjusted and controlled by the expansion valve 6, so that the liquid refrigerant adapts to the change of refrigeration load and the liquid impact phenomenon of the compressor 1 is prevented. When the liquid refrigerant passes through the expansion valve 6, the refrigerant is depressurized and cooled, so that the refrigerant is changed into a low-pressure low-temperature gaseous refrigerant, conditions are created for extracting heat of the refrigerant in the first heat exchanger 5, and the refrigerant is circulated in a reciprocating manner to continuously store the water in the hot water tank into hot water for supplying to users and simultaneously supply heat to the users.
2. In the user cooling mode, the first heat exchanger 5 functions as a condenser and the second heat exchanger 7 functions as an evaporator. The heat exchange recovery unit is started to operate, underground water (about 12-15 degrees) enters the first heat exchanger 5 from the underground water inlet, after high-pressure and high-temperature gaseous refrigerants in the first heat exchanger 5 exchange heat with well water and are condensed, the temperature of the underground water rises to about 29 degrees, and the underground water is discharged from the outlet. The high-temperature gaseous refrigerant in the first heat exchanger 5 is converted into the medium-temperature gaseous refrigerant after exchanging heat with underground water, the medium-temperature gaseous refrigerant passes through the filter 11, water and impurities are filtered, enters the expansion valve 6, is throttled and decompressed, and the amount of the liquid refrigerant entering the second heat exchanger 7 is adjusted and controlled through the expansion valve 6, so that the liquid refrigerant adapts to the change of refrigeration load, and the liquid impact phenomenon of the compressor 1 is prevented. The high-temperature high-pressure gaseous refrigerant after heat exchange is converted into a liquid refrigerant, and the liquid refrigerant can be depressurized and cooled when passing through the expansion valve 6, so that the liquid refrigerant is converted into a low-pressure low-temperature gaseous refrigerant, is subjected to heat conversion with user-side cooling water in the second heat exchanger 7, and flows out of the water outlet after the water temperature is reduced to supply the user with cooling water. The refrigerant is converted into a medium-temperature gaseous state after heat exchange in the second heat exchanger 7, the medium-temperature gaseous refrigerant enters the second port B of the four-way reversing valve from the refrigerant outlet of the second heat exchanger 7, flows out of the fourth port D of the four-way reversing valve, and then enters the gas-liquid separator 8 through a pipeline to separate a liquid refrigerant contained in the medium-temperature gaseous refrigerant, so that the phenomenon that the generated liquid refrigerant enters the compressor to cause mechanical loss or difficulty in compression of the compressor 1 is avoided. The medium-temperature gaseous refrigerant enters the compressor 1, is compressed and then is converted into a high-temperature high-pressure gaseous refrigerant, the high-temperature high-pressure gaseous refrigerant passes through the heat exchanger 2 to store heat and enters the hot water tank 12, the high-temperature high-pressure gaseous refrigerant enters the four-way reversing valve 4 from the first port A, and the high-temperature high-pressure gaseous refrigerant flows out of the third port C and then enters the first heat exchanger 7 through a pipeline to be condensed. The water in the hot water tank is continuously stored into hot water by the reciprocating circulation to be supplied to users for use, and meanwhile, the users are refrigerated.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined by the appended claims.
Claims (6)
1. The utility model provides a conversion heat recovery unit in groundwater formula vortex of water source heat pump which characterized in that includes: the system comprises a compressor, a heat exchanger, an electromagnetic valve, a four-way reversing valve, a first heat exchanger, an expansion valve, a second heat exchanger and a gas-liquid separator; the air exhaust port of the compressor is connected with a refrigerant inlet of the heat exchanger, a refrigerant outlet of the heat exchanger is connected with the four-way reversing valve, the air exhaust port of the compressor is connected with an inlet of the electromagnetic valve through a pipeline, and an outlet of the electromagnetic valve is connected with the four-way reversing valve through a pipeline; the four-way reversing valve is respectively connected with the inlets of the first heat exchanger, the second heat exchanger and the gas-liquid separator through pipelines; the outlet of the gas-liquid separator is connected with the air suction port of the compressor; the first heat exchanger is connected with the second heat exchanger, and the expansion valve is arranged on a pipeline connected with the first heat exchanger and the second heat exchanger; the heat exchanger is embedded into a hot water tank, a water inlet of the hot water tank is connected with a tap water pipe, and a water outlet of the hot water tank is connected with a user water supply pipe; the water inlet and the water outlet of the second heat exchanger are connected to a user air-conditioning pipeline, and the water inlet and the water outlet of the first heat exchanger are respectively connected with a water lifting pipeline and a water return pipeline of underground water.
2. The water source heat pump groundwater vortex internal conversion heat recovery unit as claimed in claim 1, wherein the heat exchange recovery unit comprises a user heating mode, the first heat exchanger acts as an evaporator, the second heat exchanger acts as a condenser;
in the heating mode, an exhaust port of the compressor is connected with a refrigerant inlet of the heat exchanger, a refrigerant outlet of the heat exchanger is connected with a refrigerant inlet of the second heat exchanger through the four-way reversing valve, a refrigerant outlet of the second heat exchanger is connected with a refrigerant inlet of the first heat exchanger through the expansion valve, a refrigerant outlet of the first heat exchanger is connected with an inlet of the gas-liquid separator through the four-way reversing valve, and an outlet of the gas-liquid separator is connected with an air suction port of the compressor.
3. The water source heat pump groundwater-type vortex internal conversion heat recovery unit as claimed in claim 1, wherein the heat exchange recovery unit comprises a user cooling mode, a first heat exchanger as a condenser, a second heat exchanger as an evaporator;
in the cold supply mode, an exhaust port of the compressor is connected with a refrigerant inlet of the heat exchanger, a refrigerant outlet of the heat exchanger is connected with a refrigerant inlet of the first heat exchanger through the four-way reversing valve, a refrigerant outlet of the first heat exchanger is connected with a refrigerant inlet of the second heat exchanger through the expansion valve, a refrigerant outlet of the second heat exchanger is connected with an inlet of the gas-liquid separator through the four-way reversing valve, and an outlet of the gas-liquid separator is connected with an air suction port of the compressor.
4. The groundwater-type vortex internal conversion heat recovery unit of a water source heat pump as claimed in claim 1, wherein a first stop valve is provided on a pipeline connecting the compressor and the heat exchanger, and a second stop valve is provided on a pipeline connecting the heat exchanger and the four-way reversing valve.
5. The groundwater-type vortex internal conversion heat recovery unit of a water source heat pump as claimed in claim 1, wherein the solenoid valve is opened when the hot water tank reaches a set temperature.
6. The groundwater vortex internal conversion heat recovery unit of claim 1, wherein a filter is provided in each of the pipes connecting the expansion valve with the first heat exchanger and the second heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110086665.9A CN112762532A (en) | 2021-01-22 | 2021-01-22 | Water source heat pump groundwater formula vortex internal conversion heat recovery unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110086665.9A CN112762532A (en) | 2021-01-22 | 2021-01-22 | Water source heat pump groundwater formula vortex internal conversion heat recovery unit |
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| CN112762532A true CN112762532A (en) | 2021-05-07 |
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| CN202110086665.9A Pending CN112762532A (en) | 2021-01-22 | 2021-01-22 | Water source heat pump groundwater formula vortex internal conversion heat recovery unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465235A (en) * | 2021-08-02 | 2021-10-01 | 丹顶鹤智能科技(江苏)有限公司 | Electronic expansion valve refrigerating device |
-
2021
- 2021-01-22 CN CN202110086665.9A patent/CN112762532A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465235A (en) * | 2021-08-02 | 2021-10-01 | 丹顶鹤智能科技(江苏)有限公司 | Electronic expansion valve refrigerating device |
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