CN216342359U - Combined heat and power device for carbon dioxide power generation and geothermal energy coupling - Google Patents
Combined heat and power device for carbon dioxide power generation and geothermal energy coupling Download PDFInfo
- Publication number
- CN216342359U CN216342359U CN202123107259.0U CN202123107259U CN216342359U CN 216342359 U CN216342359 U CN 216342359U CN 202123107259 U CN202123107259 U CN 202123107259U CN 216342359 U CN216342359 U CN 216342359U
- Authority
- CN
- China
- Prior art keywords
- carbon dioxide
- heat
- heat exchange
- enters
- solution
- 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
Images
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Abstract
The utility model discloses a combined heat and power device for coupling carbon dioxide power generation and geothermal energy, which improves the grade of medium and low temperature geothermal energy besides realizing the thermoelectric conversion of new energy such as solar energy and the like by utilizing supercritical carbon dioxide power generation, realizes the comprehensive application of power generation and heat supply, can flexibly adjust the matching between electricity and heat according to the actual requirement, and realizes the full comprehensive utilization of the new energy such as solar energy, nuclear energy, geothermal energy and the like; in addition, the phase-change heat exchange characteristic of the absorption heat pump can better control the temperature of the supercritical carbon dioxide at the inlet of the compressor, and the stability of the supercritical carbon dioxide power generation system is improved.
Description
Technical Field
The utility model belongs to the field of thermoelectricity, and particularly relates to a combined heat and power device for carbon dioxide power generation and geothermal energy coupling.
Background
The supercritical carbon dioxide power generation is a power generation mode taking supercritical carbon dioxide as a circulating working medium, compared with a traditional steam generator set, the supercritical carbon dioxide power generation has the characteristics of good heat source matching, high flexibility, excellent efficiency and the like, is suitable for medium-temperature heat sources, and shows wide application prospects in the fields of solar energy and nuclear power generation utilization. Geothermal energy is a medium-low temperature heat source, a certain heat supply application is obtained in the north at present, and geothermal heating is used as a clean heat supply mode and has strong competitiveness in the future heat supply market.
The supercritical carbon dioxide power generation mainly utilizes a 600-750 ℃ intermediate temperature heat source, and takes the supercritical carbon dioxide as a circulating working medium to realize a thermoelectric conversion process. Where the supercritical carbon dioxide temperature at the turbine outlet is often above 500 ℃, this portion of the heat is currently recovered from the cryogenic carbon dioxide by means of a regenerator. In consideration of the further restriction on the heat supply capacity of the future thermal power generating unit, a novel heat supply mode under the background of a new energy structure needs to be explored. Geothermal energy has been studied and applied to a certain extent as a medium-low temperature heat supply heat source.
The following problems exist in the fields of supercritical carbon dioxide power generation and geothermal energy heating at present: 1. the temperature of the supercritical carbon dioxide power generation turbine outlet is generally about 500 ℃, the supercritical carbon dioxide power generation turbine has high waste heat utilization potential, at present, the part of heat is mostly recycled through a heat regenerator, and the heat utilization has certain restrictions. 2. In the aspect of geothermal energy heating, the temperature grade of directly utilizing geothermal water is low, generally 40-70 ℃, and the heating capacity is limited.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a combined heat and power device for coupling carbon dioxide power generation and geothermal energy.
In order to achieve the purpose, the utility model adopts the following technical scheme to realize the purpose:
a combined heat and power device for carbon dioxide power generation and geothermal energy coupling comprises a heat absorber, a carbon dioxide turbine, a high-temperature carbon dioxide heat regenerator, a condenser, an evaporator, a low-temperature carbon dioxide heat regenerator, a carbon dioxide cooler, a geothermal well and a solution circulating unit;
the high-temperature high-pressure carbon dioxide in the heat absorber absorbs heat and then enters a carbon dioxide turbine to do work, the high-temperature carbon dioxide heat regenerator exchanges heat after doing work, one part of the heat exchanged heat enters the low-temperature carbon dioxide heat regenerator to continue exchanging heat, and the other part of the heat exchanged heat enters the solution circulation unit; the carbon dioxide after heat exchange in the low-temperature carbon dioxide heat regenerator enters a carbon dioxide cooler, exchanges heat with heat supply network return water and then returns to the low-temperature carbon dioxide heat regenerator; returning the carbon dioxide subjected to heat exchange in the solution circulating unit to the low-temperature carbon dioxide heat regenerator by the carbon dioxide cooler;
water in the lithium bromide concentrated solution in the solution circulating unit absorbs heat and is evaporated into water vapor to enter a condenser for heat exchange, the water vapor is condensed into liquid water after heat exchange and enters an evaporator for continuous heat exchange, the water vapor is evaporated again after heat exchange and enters the solution circulating unit, geothermal water enters the evaporator for heat release and then is poured back into a geothermal well;
and the return water of the heat supply network enters the carbon dioxide cooler for heat exchange, then enters the solution circulating unit for continuous heat exchange, enters the condenser for heat exchange again after heat exchange, and then is discharged as water supply of the heat supply network.
Furthermore, the solution circulation unit comprises a generator, an absorber and a solution heat exchanger, wherein the lithium bromide concentrated solution in the generator enters the solution heat exchanger for continuous heat exchange after heat exchange, enters the absorber for secondary heat exchange after heat exchange, enters the solution heat exchanger for continuous heat exchange after heat exchange, and returns to the generator.
Further, a carbon dioxide compressor is arranged between the low-temperature carbon dioxide regenerator and the carbon dioxide cooler.
Further, a carbon dioxide regenerative regulating valve is arranged between the high-temperature carbon dioxide regenerator and the generator.
Further, a solvent throttle valve is arranged between the condenser and the evaporator.
Further, a solution expansion valve is arranged between the solution heat exchanger and the absorber.
Further, a solution pump is arranged between the absorber and the solution heat exchanger.
Further, the carbon dioxide cooler is connected with a heat supply network water return system.
Further, the condenser is connected with a heat supply network water supply system.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides a combined heat and power device for carbon dioxide power generation and geothermal energy coupling, which utilizes high-temperature heat in the carbon dioxide heat regeneration process to improve the low-temperature heat of geothermal water and realize the improvement of the utilization grade of geothermal water energy. The return water of the heat supply network absorbs the carbon dioxide waste heat, the heat of the absorber and the heat of the condenser in sequence, so that the comprehensive utilization of power generation and heat supply of new energy sources such as solar energy, nuclear energy, geothermal energy and the like is realized. The method and the device realize the combined dispatching of various new energy sources in the future energy structure and improve the flexibility of new energy source utilization. According to the scheme, the comprehensive utilization and combined scheduling of power generation and heat supply of high-grade solar energy, nuclear energy and low-grade geothermal energy are realized, so that the utilization of high-temperature heat and low-temperature heat is more comprehensive and efficient, the waste heat problem of carbon dioxide power generation is avoided, and the problem of low temperature grade of geothermal energy is solved.
Drawings
In order to more clearly explain the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a diagram of a carbon dioxide power generation and geothermal energy coupled cogeneration unit of the present invention;
wherein: the system comprises a 1-carbon dioxide regenerative regulating valve, a 2-heat absorber, a 3-carbon dioxide turbine, a 4-high-temperature carbon dioxide regenerative device, a 5-carbon dioxide compressor, a 6-generator, a 7-condenser, an 8-evaporator, a 9-absorber, a 10-solution heat exchanger, an 11-solution expansion valve, a 12-solution pump, a 13-solvent throttle valve, a 14-low-temperature carbon dioxide regenerative device, a 15-carbon dioxide cooler and a 16-geothermal well.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "horizontal", "inner", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience and simplicity, but the indication or suggestion that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the term "horizontal", if present, does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The utility model is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, the utility model provides a cogeneration device for coupling carbon dioxide power generation and geothermal energy, which comprises a carbon dioxide regenerative regulating valve 1, a heat absorber 2, a carbon dioxide turbine 3, a high-temperature carbon dioxide regenerator 4, a carbon dioxide compressor 5, a generator 6, a condenser 7, an evaporator 8, an absorber 9, a solution heat exchanger 10, a solution expansion valve 11, a solution pump 12, a solvent throttle valve low temperature 13, a carbon dioxide regenerator 14, a carbon dioxide cooler 15 and a geothermal well 16.
The outlet of the low-temperature side of the high-temperature carbon dioxide regenerator 4 is connected with the inlet of a heat absorber 2, the outlet of the heat absorber 2 is connected with the inlet of a carbon dioxide turbine 3, the outlet of the carbon dioxide turbine 3 is connected with the high-temperature side inlet of the high-temperature carbon dioxide regenerator 4, the outlet of the high-temperature side of the high-temperature carbon dioxide regenerator 4 is connected with the high-temperature side inlet of a low-temperature carbon dioxide regenerator 14, the outlet of the high-temperature side of the low-temperature carbon dioxide regenerator 14 is connected with the first high-temperature side inlet of a carbon dioxide cooler 15, the outlet of the high-temperature side of the carbon dioxide cooler 15 is connected with the inlet of a carbon dioxide compressor 5, the outlet of the carbon dioxide compressor 5 is connected with the low-temperature side inlet of the low-temperature carbon dioxide regenerator 14, and the outlet of the low-temperature side of the low-temperature carbon dioxide regenerator 14 is connected with the low-temperature side inlet of the high-temperature carbon dioxide regenerator 4;
the high-temperature side outlet of the high-temperature carbon dioxide regenerator 4 is connected with the high-temperature side inlet of a generator 6 through a carbon dioxide regulating valve 1, the first high-temperature side outlet of the generator 6 is connected with the high-temperature side inlet of a condenser 7, the high-temperature side outlet of the condenser 7 is connected with the low-temperature side inlet of an evaporator 8 through a solvent throttle valve 13, the low-temperature side outlet of the evaporator 8 is connected with the first low-temperature side inlet of an absorber 9, the high-temperature side outlet of the absorber 9 is connected with the low-temperature side inlet of a solution heat exchanger 10 through a solution pump 12, the low-temperature side outlet of the solution heat exchanger 10 is connected with the low-temperature side inlet of the generator 6, the low-temperature side outlet of the generator 6 is connected with the high-temperature side inlet of the solution heat exchanger 10, the high-temperature side outlet of the solution heat exchanger 10 is connected with the high-temperature side inlet of the absorber 9 through a solution expansion valve 11, and the second high-temperature side outlet of the generator 6 is connected with the second high-temperature side inlet of a carbon dioxide cooler 15, the low-temperature side outlet of the carbon dioxide cooler 15 is connected with the second low-temperature side inlet of the absorber 9, the high-temperature side outlet of the evaporator 8 is connected with the inlet of the geothermal well 16, the outlet of the geothermal well 16 is connected with the high-temperature side inlet of the evaporator 8, the low-temperature side outlet of the absorber 9 is connected with the low-temperature side inlet of the condenser 7, the low-temperature side inlet of the carbon dioxide cooler 15 is connected with a heat supply network water return system, and the low-temperature side outlet of the condenser 7 is connected with a heat supply network water supply system.
The power generation function of the utility model is mainly realized by a carbon dioxide power generation system. In a carbon dioxide power generation system loop, high-temperature and high-pressure carbon dioxide from a high-temperature carbon dioxide regenerator 4 absorbs heat from new energy sources such as solar energy, nuclear energy and the like in a heat absorber 2, and then enters a carbon dioxide turbine 3 to do work, so that the heat-to-electricity conversion process is completed. The carbon dioxide after doing work still has high-temperature heat above 400 ℃. The high temperature carbon dioxide first enters the high temperature carbon dioxide regenerator 4 to release a portion of the heat to the low temperature carbon dioxide from the low temperature carbon dioxide regenerator 14. The carbon dioxide after heat release is divided into two paths at the outlet of the high-temperature carbon dioxide heat regenerator 4, one path enters the generator 6 in the absorption heat pump, and the purpose is to introduce part of the carbon dioxide with higher temperature in the heat regeneration process into the generator 6 in the absorption heat pump, the temperature of the part of the carbon dioxide is more than 150 ℃, and a carbon dioxide heat regeneration adjusting valve 1 is arranged on a connecting loop and mainly used for controlling the flow of a carbon dioxide branch at the outlet of the high-temperature carbon dioxide heat regenerator 4 and adjusting the energy distribution for power generation and heat supply; the other path enters a low-temperature carbon dioxide regenerator 14 to exchange heat with low-temperature carbon dioxide from a carbon dioxide compressor 5, the high-temperature side outlet of the low-temperature carbon dioxide regenerator 14 enters a carbon dioxide cooler 15, is cooled to below 35 ℃ by return water of a heat supply network, then enters the carbon dioxide compressor 5 to be compressed, and a new cycle is started.
The heat supply function of the utility model is mainly realized by recycling high-temperature carbon dioxide heat and low-temperature geothermal water heat through the absorption heat pump. In the generator 6, the driving heat source of the generator is the carbon dioxide with higher temperature from the high-temperature carbon dioxide heat regenerator 4, the lithium bromide dilute solution absorbs the heat in the carbon dioxide, the water in the dilute solution absorbs the heat to be evaporated, the original solution concentration in the generator 6 is increased, the evaporated water vapor enters the condenser 7, the temperature of the carbon dioxide is reduced from more than 150 ℃ to less than 110 ℃, and the carbon dioxide with the reduced temperature and the carbon dioxide with lower temperature at the high-temperature side outlet of the low-temperature carbon dioxide heat regenerator 14 enter the carbon dioxide cooler 15 together. The water vapor in the condenser 7 exchanges heat with the water supplied by the heat supply network, is condensed into liquid water, is depressurized by the solvent throttle valve 13 and then enters the evaporator 8, absorbs the geothermal water heat from the geothermal well 16 in the evaporator 8 and is evaporated again, the water vapor enters the absorber 9 from the evaporator 8, the geothermal water releases heat in the evaporator 8 and is then poured back into the geothermal well 16. The temperature of the lithium bromide concentrated solution in the generator 6 is raised, then the lithium bromide concentrated solution firstly enters the solution heat exchanger 10 and exchanges heat with the lithium bromide dilute solution from the absorber 9, the lithium bromide concentrated solution after heat exchange is throttled and depressurized by the solution expansion valve 11 and then enters the absorber 9 to absorb the water vapor from the evaporator 8, heat is released, then the water vapor enters the solution heat exchanger through the pressurization of the solution pump 12, and after the heat of the lithium bromide concentrated solution is recovered, the water vapor enters the generator 6 and completes the circulation of the solution. The return water of the heat supply network with the temperature of about 20 ℃ firstly enters a carbon dioxide cooler 15 to absorb the waste heat of the carbon dioxide and then enters an absorber 9 to absorb the heat in the process of absorbing the solution; and finally, the heat enters a condenser 7 to absorb the heat of water vapor condensation, and the temperature of a return water outlet of a hot network in the condenser 7 meets the hot water supply requirement, so that the heat supply function of the device is realized.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A cogeneration device for carbon dioxide power generation and geothermal energy coupling is characterized by comprising a heat absorber (2), a carbon dioxide turbine (3), a high-temperature carbon dioxide regenerator (4), a condenser (7), an evaporator (8), a low-temperature carbon dioxide regenerator (14), a carbon dioxide cooler (15), a geothermal well (16) and a solution circulation unit;
the high-temperature high-pressure carbon dioxide in the heat absorber (2) absorbs heat and then enters the carbon dioxide turbine (3) to do work, the high-temperature carbon dioxide heat regenerator (4) exchanges heat after the work is done, one part of the heat exchanged heat enters the low-temperature carbon dioxide heat regenerator (14) to continue heat exchange, and the other part of the heat exchanged heat enters the solution circulating unit; the carbon dioxide after heat exchange in the low-temperature carbon dioxide heat regenerator (14) enters a carbon dioxide cooler (15) and returns to the low-temperature carbon dioxide heat regenerator (14) after heat exchange with return water of a heat supply network; after the heat exchange of the carbon dioxide subjected to heat exchange in the solution circulating unit is carried out, the carbon dioxide returns to the low-temperature carbon dioxide regenerator (14) through a carbon dioxide cooler (15);
water in the lithium bromide concentrated solution in the solution circulating unit absorbs heat and is evaporated into water vapor to enter a condenser (7) for heat exchange, the water vapor is condensed into liquid water after heat exchange and enters an evaporator (8) for continuous heat exchange, the liquid water is evaporated into water vapor after heat exchange and enters the solution circulating unit, geothermal water enters the evaporator (8) for heat release and then is poured back into a geothermal well (16);
the return water of the heat supply network enters a carbon dioxide cooler (15) for heat exchange and then enters a solution circulating unit for continuous heat exchange, and the return water enters a condenser (7) for heat exchange again after heat exchange and then is discharged as water supply of the heat supply network.
2. The carbon dioxide power generation and geothermal energy coupled cogeneration device according to claim 1, wherein the solution circulation unit comprises a generator (6), an absorber (9) and a solution heat exchanger (10), wherein a lithium bromide concentrated solution in the generator (6) enters the solution heat exchanger (10) for continuous heat exchange after heat exchange, enters the absorber (9) for secondary heat exchange after heat exchange, enters the solution heat exchanger (10) for continuous heat exchange after heat exchange, and returns to the generator (6).
3. A co-generation device for carbon dioxide power generation and coupling of geothermal energy according to claim 1, characterized in that a carbon dioxide compressor (5) is arranged between the low temperature carbon dioxide regenerator (14) and the carbon dioxide cooler (15).
4. A co-generation device for carbon dioxide power generation and geothermal energy coupling according to claim 1, characterized in that a carbon dioxide regenerative regulating valve (1) is arranged between the high temperature carbon dioxide regenerator (4) and the generator (6).
5. A co-generation device coupling carbon dioxide power generation and geothermal energy according to claim 1, characterised in that a solvent throttle valve (13) is arranged between the condenser (7) and the evaporator (8).
6. A co-generation device for carbon dioxide power generation and coupling of geothermal energy according to claim 2, characterised in that a solution expansion valve (11) is arranged between the solution heat exchanger (10) and the absorber (9).
7. A co-generation device for carbon dioxide power generation and coupling of geothermal energy according to claim 2, characterised in that a solution pump (12) is arranged between the absorber (9) and the solution heat exchanger (10).
8. A co-generation device coupling carbon dioxide power generation and geothermal energy according to claim 1, characterised in that the carbon dioxide cooler (15) is connected to a heat supply network water return system.
9. A co-generation device coupling carbon dioxide power generation and geothermal energy according to claim 1, characterised in that the condenser (7) is connected to a heat supply network water supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123107259.0U CN216342359U (en) | 2021-12-09 | 2021-12-09 | Combined heat and power device for carbon dioxide power generation and geothermal energy coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123107259.0U CN216342359U (en) | 2021-12-09 | 2021-12-09 | Combined heat and power device for carbon dioxide power generation and geothermal energy coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216342359U true CN216342359U (en) | 2022-04-19 |
Family
ID=81164577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123107259.0U Active CN216342359U (en) | 2021-12-09 | 2021-12-09 | Combined heat and power device for carbon dioxide power generation and geothermal energy coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216342359U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022114343A1 (en) | 2022-06-08 | 2023-12-14 | Technische Universität Dresden, Körperschaft des öffentlichen Rechts | Arrangement and method for converting waste heat into mechanical energy and using an absorption refrigeration system as a temperature controller |
-
2021
- 2021-12-09 CN CN202123107259.0U patent/CN216342359U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022114343A1 (en) | 2022-06-08 | 2023-12-14 | Technische Universität Dresden, Körperschaft des öffentlichen Rechts | Arrangement and method for converting waste heat into mechanical energy and using an absorption refrigeration system as a temperature controller |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107630726B (en) | Multi-energy hybrid power generation system and method based on supercritical carbon dioxide circulation | |
| CN208578679U (en) | A kind of improvement Bretton solar-thermal generating system based on tower heliostat | |
| CN105673107A (en) | Trough and tower collecting compound driven supercritical carbon dioxide generating system and method | |
| CN102435000B (en) | Solar energy system combined cooling and electricity based on ammonia water mixed refrigerant | |
| CN114198170B (en) | Carbon dioxide energy storage system based on double heat storage loops and working method thereof | |
| CN112762424B (en) | Solar thermoelectric coupling system based on combination of heat storage and compression heat pump and operation method thereof | |
| CN201318808Y (en) | Solar energy heat utilization device featuring gas-steam combined circulation | |
| CN102094772B (en) | Solar energy-driven cogeneration device | |
| CN112814860B (en) | Circulating complementary cogeneration system of tower type solar photo-thermal power generation refrigerator and operation method thereof | |
| CN105840442A (en) | Complementary type supercritical carbon dioxide and organic Rankin union power generation system and method | |
| CN106481522B (en) | Closed helium turbine tower type solar thermal power generation system with heat accumulation function | |
| CN108661731B (en) | Supercritical Brayton cycle power generation system with cold accumulation function and supercritical Brayton cycle power generation method | |
| CN216342359U (en) | Combined heat and power device for carbon dioxide power generation and geothermal energy coupling | |
| CN114135398A (en) | Gas turbine combined cycle power generation system and method under distributed energy environment | |
| CN207348915U (en) | Multipotency hybrid power system based on supercritical carbon dioxide circulation | |
| CN113775492A (en) | CO of sharing equipment2Brayton and heat pump combined cycle system and operation method | |
| CN113187680A (en) | Photovoltaic power generation system with electric heating energy storage and operation method | |
| CN115111806A (en) | Combined heat and power system and method based on energy gradient utilization | |
| CN212454710U (en) | Mixture working medium supercritical Brayton cycle photo-thermal power generation system | |
| CN113982715A (en) | Combined heat and power device and method for coupling carbon dioxide power generation and geothermal energy | |
| CN209539413U (en) | A kind of low parameter heat recovery system | |
| CN204591602U (en) | A kind of liquefied natural gas gasifying system based on solar energy circulating generation | |
| CN216384672U (en) | Combined heat and power device based on carbon dioxide power generation and absorption heat pump | |
| CN109763870A (en) | A kind of low parameter heat recovery system | |
| CN109869924A (en) | A kind of solar thermal utilization pilot system and its working method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |