CN209841402U - Geothermal power generation test system - Google Patents
Geothermal power generation test system Download PDFInfo
- Publication number
- CN209841402U CN209841402U CN201920807564.4U CN201920807564U CN209841402U CN 209841402 U CN209841402 U CN 209841402U CN 201920807564 U CN201920807564 U CN 201920807564U CN 209841402 U CN209841402 U CN 209841402U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- power generation
- temperature side
- generator
- test system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model provides a geothermal power generation test system, including generating set, with the high temperature side heat exchanger group that generating set evaporating end links to each other, with the low temperature side heat exchanger group that generating set condensing end links to each other, connect in the high temperature heat pump set of high temperature side heat exchanger group and low temperature side heat exchanger group, and connect in the air-cooled heat pump set of low temperature side heat exchanger group. The geothermal power generation test system of the utility model utilizes the air-cooled heat pump unit to absorb the heat in the air to heat the high-temperature side heat exchanger unit and the low-temperature side heat exchanger unit, the hot water and the electric power adopt the self-circulation mode, compared with the heating modes such as electric heating or gas heating, the energy loss is greatly reduced, and the power generation power and the total power generation amount of the generator set are tested in real time in the electric power self-circulation process; in addition, when the generator is a magnetic suspension generator, the mechanical loss can be reduced, the generating efficiency of the generator can be improved, and the test cost can be further reduced.
Description
Technical Field
The utility model relates to a geothermal power generation technical field especially relates to a geothermal power generation test system.
Background
Due to the advantages of abundant reserves, environmental friendliness, renewability and the like, geothermal resources are expected to become one of new energy sources for replacing traditional fossil energy sources. Geothermal power generation is a novel power generation technology using underground hot water and steam as power sources, the basic principle of the geothermal power generation is similar to that of thermal power generation, and the geothermal power generation is based on the energy conversion principle, namely, geothermal energy is converted into mechanical energy firstly, and then the mechanical energy is converted into electric energy, and the geothermal power generation is actually an energy conversion process of converting the underground thermal energy into the electric energy and then converting the mechanical energy into the electric energy or is called geothermal power generation.
The geothermal power generation system is established on site for testing various parameters of geothermal power generation equipment, so that a large amount of manpower, material resources and financial resources are consumed, and the influence or limitation of the conditions such as nature, climate and the like is easily caused, so that the on-site testing of the geothermal related parameters becomes extremely difficult and is unrealistic, and therefore, the establishment of an indoor geothermal power generation test system for simulating the actual geothermal power generation becomes a solution.
However, in the existing indoor geothermal power generation test system for simulating actual geothermal power generation, hot water required by the system is mainly provided by electric heating or gas heating, and the like, and the energy consumption of the electric heating or gas heating is high, and the power generation efficiency of the generator adopted by the existing geothermal power generation test system is not high, in addition, the existing geothermal power generation test system needs to test the power generation power and the total power generation amount of the power generation system through an independent external load, so that not only the test system for simulating a geothermal power generation device becomes more complex, but also the occupied area is larger, and the great waste of energy is also caused, so that the cost of a geothermal test is extremely high, and the development and progress of the geothermal power generation technology are seriously influenced.
Therefore, the prior art is still to be improved.
SUMMERY OF THE UTILITY MODEL
In view of the not enough of above-mentioned prior art, the utility model aims at providing a geothermal power generation test system aims at solving current geothermal power generation test system and directly prepares hot water through modes such as electrical heating or gas heating, the high technical problem of power consumption to solved current geothermal power generation test system and need test power generation system's the generated power and the technical problem of total amount of generating electricity through independent external load.
The technical scheme of the utility model as follows:
the geothermal power generation test system comprises a generator set, a high-temperature side heat exchange unit connected with an evaporation end of the generator set, a low-temperature side heat exchange unit connected with a condensation end of the generator set, a high-temperature heat pump unit connected with the high-temperature side heat exchange unit and the low-temperature side heat exchange unit, and an air-cooled heat pump unit connected with the low-temperature side heat exchange unit.
The geothermal power generation test system is characterized in that the generator set comprises a working medium pump, an evaporator, a generator and a condenser which are sequentially and circularly connected.
The geothermal power generation test system is characterized in that the generator is a magnetic suspension generator.
The geothermal power generation test system is characterized in that the high-temperature side heat exchanger unit comprises a high-temperature water tank and a first heat exchanger, and the high-temperature water tank, the first heat exchanger and the evaporator are sequentially connected in a circulating manner; the low-temperature side heat exchange unit comprises a low-temperature water tank and a second heat exchanger, and the low-temperature water tank, the second heat exchanger and the condenser are sequentially connected in a circulating mode.
The geothermal power generation test system is characterized in that the first heat exchanger and the second heat exchanger are both tube type heat exchangers.
The geothermal power generation test system is characterized in that a first circulating pump is arranged between the high-temperature water tank and the first heat exchanger, and a second circulating pump is arranged between the low-temperature water tank and the second heat exchanger.
The geothermal power generation test system is characterized in that the high-temperature heat pump unit comprises a first compressor and a first throttling valve, and the first compressor, a first heat exchanger, the first throttling valve and a second heat exchanger are sequentially connected in a circulating mode.
The geothermal power generation test system, wherein the generator is electrically connected to the first compressor.
The geothermal power generation test system is characterized in that the air-cooled heat pump unit comprises a second compressor, a plate heat exchanger, a second throttling valve and an air-cooled heat exchanger which are sequentially and circularly connected, and the plate heat exchanger is connected with the low-temperature water tank.
Has the advantages that: the utility model provides a pair of geothermal power generation test system, including generating set, with the high temperature side heat exchanger group that generating set evaporating end links to each other, with the low temperature side heat exchanger group that generating set condensing end links to each other, connect in the high temperature heat pump set of high temperature side heat exchanger group and low temperature side heat exchanger group, and connect in the air-cooled heat pump set of low temperature side heat exchanger group. The geothermal power generation test system of the utility model utilizes the air-cooled heat pump unit to absorb the heat in the air to heat the high-temperature side heat exchanger unit and the low-temperature side heat exchanger unit, and simultaneously, hot water and electric power adopt a self-circulation mode, compared with the heating modes such as electric heating or gas heating, the energy loss is greatly reduced, and the power generation power and the total power generation amount of the generator set are tested in real time in the electric power self-circulation process; in addition, when the generator adopts a magnetic suspension generator set, the mechanical loss is greatly reduced, the generating efficiency of the generator is improved, the electric energy is saved, and the test cost is reduced.
Drawings
FIG. 1 is a schematic structural view of a geothermal power generation testing system according to a preferred embodiment of the present invention;
fig. 2 is a schematic structural diagram of a preferred generator set of the present invention;
fig. 3 is a flow chart of an operation method of a geothermal power generation testing system according to a preferred embodiment of the present invention.
Detailed Description
The utility model provides a geothermal power generation test system, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, following right the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the utility model provides a pair of geothermal power generation test system, including generating set 10, with the high temperature side heat exchanger group 20 that the generating set evaporating end links to each other, with the low temperature side heat exchanger group 30 that the generating set condensing end links to each other, connect in the high temperature heat pump unit 40 of high temperature side heat exchanger group and low temperature side heat exchanger group, and connect in the air-cooled heat pump unit 50 of low temperature side heat exchanger group.
Due to the advantages of abundant reserves, environmental friendliness, renewability and the like, geothermal resources are expected to become one of new energy sources for replacing traditional fossil energy sources. However, the design and optimization of the geothermal generator used in the process of geothermal development and utilization need to be based on actual geothermal parameters, and it is obviously impractical to measure the efficiency of the generator on site in a field geothermal well, so that not only a large amount of financial resources and material resources need to be consumed, but also the working efficiency of the generator is influenced by the interference of field environmental factors such as weather, and therefore, a laboratory integrated hot water supply and control system needs to be established to measure the power generation performance of the geothermal generator so as to guide the parameter optimization of the subsequent geothermal generator. At present, a hot water supply and control system commonly used in a laboratory mainly adopts an electric heating mode or a gas heating mode and the like, so that not only is energy consumption large, but also the generating power and the generating total amount of a generating system need to be tested through an independent external load, so that a testing system of a simulated geothermal generating set becomes more complex, and the occupied area of a generator system is large.
In order to solve the technical problem, the geothermal power generation test system according to the technical scheme of the utility model comprises a generator set, a high-temperature side heat exchanger unit, a low-temperature side heat exchanger unit, a high-temperature heat pump unit and an air-cooled heat pump unit, the geothermal power generation test system of the utility model can utilize the air-cooled heat pump unit to absorb heat in the air to heat hot water in the high-temperature side heat exchanger unit and hot water in the low-temperature side heat exchanger unit, meanwhile, hot water and electric power adopt a self-circulation mode, compared with a mode of heating hot water by adopting modes such as electric heating or gas heating, the energy loss is greatly reduced, and the power generation power and the total power generation amount of the generator set are tested in real time in the electric power self-; in addition, when the geothermal power generation test system adopts the magnetic suspension generator set to generate power, the mechanical loss can be greatly reduced, the power generation efficiency of the generator is improved, more electric energy is generated, the efficiency is higher, the test cost is obviously reduced, and the development of the geothermal power generation technology can be greatly promoted.
Referring to fig. 2, in a preferred embodiment, the power generating unit includes a working fluid pump 60, an evaporator 70, a generator 80 and a condenser 90, which are connected in series in a cycle. The utility model discloses a generating set has utilized organic rankine cycle's generating set, and the organic rankine cycle of ideal mainly includes the isentropic compression, isobaric heating, isentropic expansion and an isobaric condensation process.
The utility model discloses specific working process does: the liquid organic working medium is heated in the evaporator to become a gas state, the gas organic working medium expands in the generator to do work to drive the generator to rotate for power generation, the gas organic working medium is condensed into a liquid state in the condenser after power generation, and the condensed liquid organic working medium is pressurized in the working medium pump.
In a preferred embodiment, the generator is a magnetic levitation generator. The magnetic suspension generator adopts the magnetic suspension bearing technology to greatly reduce the mechanical loss, thereby improving the efficiency of the generator and becoming a favorable choice for realizing the high-efficiency utilization of terrestrial heat.
Referring to fig. 1, in a preferred embodiment, the high-temperature side heat exchanger unit includes a high-temperature water tank 100 and a first heat exchanger 110, and the high-temperature water tank, the first heat exchanger and an evaporator are sequentially and circularly connected; the low-temperature side heat exchanger unit comprises a low-temperature water tank 120 and a second heat exchanger 130, wherein the low-temperature water tank, the second heat exchanger and the condenser are sequentially connected in a circulating mode. Preferably, the utility model provides a high temperature side heat exchanger group and low temperature side heat exchanger group all include the circulating pump, and this circulating pump can be ordinary hot water circulating pump, and it needs to be noted that the utility model discloses the temperature scope of the high temperature in the high temperature water tank is 90-100 ℃, and the temperature scope in the low temperature water tank is 40-50 ℃.
In a preferred embodiment, the first heat exchanger and the second heat exchanger are both tube heat exchangers.
In a preferred embodiment, a first circulation pump is arranged between the high-temperature water tank and the first heat exchanger, and a second circulation pump is arranged between the low-temperature water tank and the second heat exchanger. The utility model discloses circulating pump among the technical scheme is positive reverse rotation circulating pump, can make the temperature more even in the pipeline through regularly positive reverse rotation.
Referring to fig. 1, in a preferred embodiment, the high temperature heat pump unit comprises a first compressor 140 and a first throttle valve 150, and the first compressor, the first heat exchanger, the first throttle valve and the second heat exchanger are connected in turn in a circulating manner. In a preferred embodiment, the first heat exchanger is a condenser, the second heat exchanger is an evaporator, and during specific operation, that is, after the water temperatures in the high-temperature water tank and the low-temperature water tank reach a predetermined range (40-50 ℃), the high-temperature heat pump unit is started, meanwhile, the organic working medium in the pipeline of the high-temperature heat pump unit is utilized to circularly exchange heat between the high-temperature side heat exchanger unit and the low-temperature side heat exchanger unit, the water in the high-temperature water tank is heated by the first heat exchanger (condenser), and the water in the low-temperature water tank is cooled by the second heat exchanger (evaporator), so that the water in the high-temperature water tank is heated to a higher temperature range (90-100 ℃). In addition, the throttle valve in the technical scheme of the utility model can be connected in series with the one-way valve to form a one-way throttle valve, thereby controlling the working medium to realize one-way flow in the pipeline; additionally, the utility model discloses a choke valve can also constitute throttle speed control system with the overflow valve cooperation to the size of accurate control duct internal working medium flow in the pipeline.
Referring to fig. 1, in a preferred embodiment, the generator is electrically connected to the first compressor. In this kind of embodiment, the utility model discloses a geothermal power generation test system can realize the self-loopa of partial electric power the utility model discloses an among the technical scheme, because the electric energy that produces is less than the electric energy of consumption, but the utility model discloses an electric energy that geothermal power generator sent will be prior to the commercial power and supply power for high temperature heat pump set to the generating power and the total amount of generating electricity of generator are measured to first compressor through among the high temperature heat pump set, reach the purpose that both can test generator efficiency with this, realized again that the system only needs to provide partial electric energy purpose for high temperature heat pump set during the operation, play energy-conserving effect.
Referring to fig. 1, in a preferred embodiment, the air-cooled heat pump unit comprises a second compressor 160, a plate heat exchanger 170, a second throttle valve 180 and an air-cooled heat exchanger 190 which are connected in turn in a circulating manner, wherein the plate heat exchanger is connected with the low-temperature water tank. The utility model discloses air cooled heat pump unit among the technical scheme is equivalent to an air source heat pump unit, air source heat pump indicates can be through the evaporimeter low temperature heat absorption come in the air, through organic/inorganic medium gasification, then pressure boost intensification after through the compressor compression, rethread condenser conversion feedwater heating, high temperature heat energy after the compression heats the water temperature with this, have energy-efficient characteristics, make the same hot water volume, energy-conserving efficiency is 4-6 times of general electric water heater, its annual average thermal efficiency ratio is 4 times of electric heating, it is high to utilize the efficiency. Therefore, adopt the utility model discloses technical scheme's geothermal power generation test system can be than adopting technical scheme energy saving more such as electrical heating or gas heating, the development of promotion geothermal power generation technique that can be very big.
In a preferred embodiment, the generator is connected to the first compressor. Of course, the utility model discloses technical scheme also can link to each other the generator with the second compressor, comes indirect acquisition system's generated energy and generating efficiency through the measurement to the second compressor.
The utility model discloses a geothermal power generation test system, it mainly includes air-cooled heat pump set, low temperature side heat exchanger group, high temperature heat pump set, generating set. The geothermal power generation test system adopts a self-circulation operation mode, hot water with the flow rate of 100 tons per hour and the temperature of 95 ℃ can be provided for simulating the test of the medium-low temperature geothermal power generator, the system only needs to provide partial electric energy for the air-cooled heat pump unit and the circulating pump and provide partial electric energy for the high-temperature heat pump unit during operation, the generated energy of the geothermal power generator is directly provided for the high-temperature heat pump unit for use, and the power generation power and the total power generation amount of the power generator are measured through the first compressor in the high-temperature heat pump unit. The utility model relates to a geothermol power magnetic suspension electricity generation test system's compact structure, area is little, and does not receive external natural environment weather interference, and the operation is stable, easily operation, saves the electric energy and can real-time test out the generating efficiency and the power of geothermol power magnetic suspension generator, has wide application scene.
In addition, referring to fig. 3, the present technical solution further provides an operation method of a geothermal power generation test system, including the steps of:
s100, starting an air-cooled heat pump unit, wherein the air-cooled heat pump unit is in a heat pump mode, the heat pump mode is that a plate heat exchanger is a condenser, an air-cooled heat exchanger is an evaporator, and water in a high-temperature water tank and water in a low-temperature water tank are heated to 40-50 ℃ by utilizing the plate heat exchanger;
s200, starting a high-temperature heat pump unit after the temperature of water in the high-temperature water tank and the low-temperature water tank reaches 40-50 ℃, and simultaneously performing circulating heat exchange between a high-temperature side heat exchange unit and a low-temperature side heat exchange unit by using an organic working medium in a pipeline of the high-temperature heat pump unit to heat the water in the high-temperature water tank to 90-100 ℃;
s300, after the temperature of water in the high-temperature water tank reaches 90-100 ℃, the air-cooled heat pump unit is closed, the high-temperature side heat exchanger unit is used as a heat source of the generator, the low-temperature side heat exchanger unit is used as a cold source of the generator, and the generator is driven to generate electricity by utilizing the temperature difference and the pressure difference between the two sides of the air inlet and the air outlet of the generator.
In a preferred embodiment, the method of operating the geothermal power generation test system further comprises the steps of:
s400, when the temperature in the low-temperature water tank is higher than 50 ℃, the air-cooled heat pump unit starts a refrigeration mode, wherein the refrigeration mode is that the plate heat exchanger is an evaporator, the air-cooled heat exchanger is a condenser, and the plate heat exchanger is used for radiating heat for water in the low-temperature side heat exchanger unit water tank, so that the temperature of the water in the low-temperature water tank is maintained at 40-50 ℃.
In a preferred embodiment, the method of operating the geothermal power generation test system further comprises the steps of:
s500, after the generator generates electricity, the electric energy generated by the generator and the commercial power jointly drive the high-temperature heat pump unit to operate, and the generating power and the generating total amount of the generator are measured through a first compressor in the high-temperature heat pump unit.
The utility model discloses a geothermal power generation test system, in the high temperature side, the tail water that the high temperature heat pump technique will come out from the generator heats 90-100 ℃ (preferably 95 ℃) once more, and its heat source comes from low temperature side heat exchanger group. At the low temperature side, through the high temperature heat pump technique, the partial heat of the comdenstion water that will follow the generator discharge is used for heating the tail water that the high temperature side came out from the generator, and another partial heat passes through air-cooled heat pump set cooling heat dissipation in order to maintain that the temperature is constant 40-50 ℃ (preferably 45 ℃) in the low temperature side heat exchanger unit, and the temperature can be more stable, can realize generating set's continuous stable electricity completely.
To sum up, the utility model provides a geothermal power generation test system, including generating set, with the high temperature side heat exchanger group that the generating set evaporating end links to each other, with the low temperature side heat exchanger group that the generating set condensing end links to each other, connect in the high temperature heat pump set of high temperature side heat exchanger group and low temperature side heat exchanger group, and connect in the air-cooled heat pump set of low temperature side heat exchanger group. The geothermal power generation test system of the utility model utilizes the air-cooled heat pump unit to absorb the heat in the air to heat the high-temperature side heat exchange unit and the low-temperature side heat exchange unit, thus greatly reducing the energy loss compared with the heating modes such as electric heating or gas heating; in addition, when the generator adopts a magnetic suspension generator set, the magnetic suspension generator greatly reduces mechanical loss, improves the generating efficiency of the generator, saves electric energy and reduces the test cost.
It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (9)
1. The geothermal power generation test system is characterized by comprising a generator set, a high-temperature side heat exchange unit connected with an evaporation end of the generator set, a low-temperature side heat exchange unit connected with a condensation end of the generator set, a high-temperature heat pump unit connected with the high-temperature side heat exchange unit and the low-temperature side heat exchange unit, and an air-cooled heat pump unit connected with the low-temperature side heat exchange unit.
2. The geothermal power generation test system according to claim 1, wherein the generator set comprises a working medium pump, an evaporator, a generator and a condenser which are connected in sequence in a circulating manner.
3. The geothermal power generation test system of claim 2, wherein the generator is a magnetic levitation generator.
4. The geothermal power generation test system according to claim 1, wherein the high-temperature side heat exchanger unit comprises a high-temperature water tank and a first heat exchanger, and the high-temperature water tank, the first heat exchanger and the evaporator are sequentially connected in a circulating manner; the low-temperature side heat exchange unit comprises a low-temperature water tank and a second heat exchanger, and the low-temperature water tank, the second heat exchanger and the condenser are sequentially connected in a circulating mode.
5. The geothermal power generation test system of claim 4, wherein the first and second heat exchangers are both tubular heat exchangers.
6. The geothermal power generation test system according to claim 4, wherein a first circulation pump is arranged between the high-temperature water tank and the first heat exchanger, and a second circulation pump is arranged between the low-temperature water tank and the second heat exchanger.
7. The geothermal power generation test system according to claim 2, wherein the high temperature heat pump unit comprises a first compressor and a first throttle valve, and the first compressor, the first heat exchanger, the first throttle valve and the second heat exchanger are sequentially connected in a circulating manner.
8. The geothermal power generation test system of claim 7, wherein the generator is electrically connected to the first compressor.
9. The geothermal power generation test system according to claim 4, wherein the air-cooled heat pump unit comprises a second compressor, a plate heat exchanger, a second throttle valve and an air-cooled heat exchanger which are sequentially connected in a circulating manner, and the plate heat exchanger is connected with the low-temperature water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920807564.4U CN209841402U (en) | 2019-05-31 | 2019-05-31 | Geothermal power generation test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920807564.4U CN209841402U (en) | 2019-05-31 | 2019-05-31 | Geothermal power generation test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209841402U true CN209841402U (en) | 2019-12-24 |
Family
ID=68898132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920807564.4U Active CN209841402U (en) | 2019-05-31 | 2019-05-31 | Geothermal power generation test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209841402U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186702A (en) * | 2019-05-31 | 2019-08-30 | 深圳大学 | A kind of geothermal power generation pilot system and its operation method |
-
2019
- 2019-05-31 CN CN201920807564.4U patent/CN209841402U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186702A (en) * | 2019-05-31 | 2019-08-30 | 深圳大学 | A kind of geothermal power generation pilot system and its operation method |
| CN110186702B (en) * | 2019-05-31 | 2024-02-13 | 深圳大学 | Geothermal power generation test system and operation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102748895B (en) | Gas heat-pump energy supplying system based on power generation of third working medium | |
| CN110887278B (en) | Energy self-sufficient carbon dioxide combined cooling heating and power system for low-grade heat source | |
| CN102094772B (en) | Solar energy-driven cogeneration device | |
| CN102242698A (en) | Distributed-type heat and power cogeneration set capable of accumulating energy and heat | |
| CN103727703A (en) | Recycling combined cooling heating and power system | |
| CN102538289A (en) | Domestic solar airlift pump absorption type air conditioning system | |
| CN204880849U (en) | Energy storage of tape unit tool straighten formula of driving wind energy heat pump system | |
| CN106640238B (en) | Based on forward and inverse cycle depth geothermal Building Cooling electrical coupling system and implementation method | |
| CN102242697A (en) | Distributed-type non-tracking solar power generation and poly-generation system | |
| CN209841402U (en) | Geothermal power generation test system | |
| CN101800500B (en) | Small temperature difference thermal electric generator | |
| CN101929445A (en) | Distributed solar energy combined heating/cooling-power system | |
| CN207394815U (en) | A kind of flue gas waste heat recovery system of solar energy and wind energy coupling absorption heat pump cycle | |
| CN110186702B (en) | Geothermal power generation test system and operation method thereof | |
| CN206694190U (en) | Wind-solar energy storage system | |
| CN210155280U (en) | Electric power self-circulation system for simulating test of geothermal power generation device | |
| CN211116438U (en) | Power generation and refrigeration combined cycle system based on ocean temperature difference energy | |
| CN202303652U (en) | Combined hot water system for solar energy and air source heat pump | |
| CN107289665B (en) | Regional energy supply system | |
| CN215983321U (en) | Heating and refrigerating system based on forward and reverse cycle coupling | |
| CN210033735U (en) | High-temperature and low-temperature hot water self-circulation system for simulating geothermal power generation | |
| CN1635316B (en) | System for cooling by recirculated cooling water and heating using heat therefrom in heat power plant | |
| CN211372824U (en) | Air energy heat pump heating device capable of utilizing heat of PVT photovoltaic module | |
| CN110187272A (en) | A kind of electric power self-circulation system of simulation geothermal power generation plant test | |
| CN107843026A (en) | A kind of refrigeration system using solar energy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201209 Address after: 518060 No. 3688 Nanhai Road, Shenzhen, Guangdong, Nanshan District Patentee after: SHENZHEN University Patentee after: Shenzhen Union Clean Energy Research Institute Patentee after: Jiangsu Blessing Technology Co.,Ltd. Address before: 518060 No. 3688 Nanhai Road, Shenzhen, Guangdong, Nanshan District Patentee before: SHENZHEN University Patentee before: Jiangsu Blessing Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |