CN212958972U - double-Brayton combined cycle solar power generation system with heat storage function - Google Patents
double-Brayton combined cycle solar power generation system with heat storage function Download PDFInfo
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- CN212958972U CN212958972U CN202021882363.XU CN202021882363U CN212958972U CN 212958972 U CN212958972 U CN 212958972U CN 202021882363 U CN202021882363 U CN 202021882363U CN 212958972 U CN212958972 U CN 212958972U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The inlet of the air compressor is communicated with outside air, the outlet of the air compressor is communicated with the low-temperature side inlet of the air heat regenerator, the low-temperature side outlet of the air heat regenerator is communicated with the inlet of the air turbine, the outlet of the air turbine is divided into two paths, one path is communicated with the inlet of the solar heat collector, the other path is connected with the inlet of the high-temperature heat accumulator, the outlet of the solar heat accumulator is divided into two paths, one path is connected with the inlet of the high-temperature heat accumulator, the other path is connected with the air side inlet of the air-carbon dioxide heat exchanger, the outlet of the high-temperature heat accumulator is divided into two paths, one path is connected with the air side inlet of the air-carbon dioxide heat exchanger, the other path is converged with the air side outlet of the air-carbon dioxide heat exchanger and then connected with the high-temperature side. The utility model discloses can reduce material cost and material consumption effectively, the generating efficiency is higher.
Description
Technical Field
The utility model relates to a solar energy power generation technical field, in particular to take two brayton combined cycle solar electric system of heat accumulation.
Background
Solar energy is an inexhaustible clean energy, and since solar photo-thermal power generation can reach the same high temperature as the solar temperature theoretically, as is well known, the higher the temperature is, the higher the thermal efficiency is, the more the solar photo-thermal power generation is emphasized.
The photothermal power generation needs to convert light energy into heat energy, and then the thermoelectric conversion is realized through the thermodynamic cycle, and at present, among numerous thermodynamic cycles, the supercritical brayton cycle is the most advantageous cycle form. The novel supercritical working media such as carbon dioxide, helium and nitrous oxide have the inherent advantages of high energy density, high heat transfer efficiency, simple system and the like, can greatly improve the heat-power conversion efficiency, reduce the equipment volume and have very high economical efficiency. Especially, after the temperature of the hot end reaches more than 500 ℃, the advantages of the supercritical carbon dioxide Brayton cycle become more and more obvious along with the temperature, and the thermal efficiency of the Brayton cycle gradually increases to the distance from the traditional steam cycle or other working medium cycles.
However, the heat collection temperature of the tower solar energy is not high at present, wherein the material problem accounts for a large part of the reasons, the high-temperature material actually applied to the power generation of the steam turbine set is within 620 ℃ and is far lower than the heat source temperature which can be reached by the solar heat collector, in addition, the solar photo-thermal power generation generally needs to consider heat storage, and the large-scale heat storage device is generally arranged on the ground, so the distances between the heat collector at the tower top and the heat storage device as well as the power generation set are far, and the main steam pressure of the power generation set with high efficiency is also far, so the pipe wall is very thick, if the pipe is made of high-temperature resistant alloy materials and is conveyed for a long distance, the cost is very huge.
Disclosure of Invention
In order to overcome the technical problem, the utility model aims to provide a take two brayton combined cycle solar electric system of heat accumulation can reduce material cost and material consumption effectively, and the generating efficiency is higher.
In order to realize the purpose, the utility model discloses a technical scheme is:
a double-Brayton combined cycle solar power generation system with heat storage comprises a gas compressor 1, wherein an inlet of the gas compressor 1 is communicated with outside air, an outlet of the gas compressor 1 is communicated with a low-temperature side inlet of an air heat exchanger 2, a low-temperature side outlet of the air heat exchanger 2 is communicated with an inlet of an air turbine 3, an outlet of the air turbine 3 is divided into two paths, one path is communicated with an inlet of a solar heat collector 4, the other path is connected with an inlet of a high-temperature heat accumulator 13, an outlet of the solar heat collector 4 is divided into two paths, one path is connected with an inlet of the high-temperature heat accumulator 13, the other path is connected with an air side inlet of an air-carbon dioxide heat exchanger 5, an outlet of the high-temperature heat accumulator 13 is divided into two paths, one path is connected with an air side inlet of the air-carbon dioxide, the high-temperature side outlet of the air heat exchanger 2 is communicated with the outside air.
The carbon dioxide side outlet of the air-carbon dioxide heat exchanger 5 is communicated with the inlet of the carbon dioxide turbine 6, the outlet of the carbon dioxide turbine 6 is communicated with the high-temperature side inlet of the carbon dioxide regenerator 7, the high-temperature side outlet of the carbon dioxide regenerator 7 is communicated with the carbon dioxide side inlet of the precooler 8, the carbon dioxide side outlet of the precooler 8 is communicated with the inlet of the carbon dioxide compressor 9, the outlet of the carbon dioxide compressor 9 is communicated with the low-temperature side inlet of the carbon dioxide regenerator 7, and the low-temperature side outlet of the carbon dioxide regenerator 7 is communicated with the carbon dioxide side inlet of the air-carbon dioxide heat exchanger 5.
A valve 10 No. 1 is arranged between an outlet of the air turbine 3 and an inlet of the high-temperature heat accumulator 13, an outlet of the solar heat collector 4 is divided into two paths, one path is connected with an inlet of the valve 11 No. 2, an outlet of the valve 11 No. 2 is connected with an air side inlet of the air-carbon dioxide heat exchanger 5, the other path is connected with an inlet of the valve 12 No. 3, and an outlet of the valve 10 No. 1 and an outlet of the valve 12 No. 3 are converged and then connected with an inlet of the high-temperature heat accumulator 13.
The outlet of the high-temperature heat accumulator 13 is divided into two paths, one path is connected with the inlet of the No. 4 valve 14, the other path is not connected with the inlet of the No. 5 valve 15, the outlet of the No. 4 valve 14 is communicated with the air side inlet of the air-carbon dioxide heat exchanger 5 after being converged with the outlet of the No. 2 valve 11, and the air side outlet of the air-carbon dioxide heat exchanger 5 is communicated with the high-temperature side inlet of the air heat exchanger 2 after being converged with the outlet of the No. 5 valve 15.
An operation method of a double-Brayton combined cycle solar power generation system with heat storage comprises the following steps;
when the sunlight is sufficient and the heat in the high-temperature heat accumulator 13 is insufficient, the valve 10, the valve 14 No. 1 is closed, the valve 11 No. 2, the valve 12 No. 3 and the valve 15 No. 5 are opened, firstly, the air compressor 1 absorbs air from the outside atmosphere for compression, then, the air is sent to the cold side of the air heat exchanger 2 for heat absorption, the heated compressed air enters the air turbine 3 for expansion and work doing, the expanded low-pressure air enters the solar heat collector 4 for heat absorption, the air heated to high temperature is divided into two paths, one part of the air directly enters the air-carbon dioxide heat exchanger 5 for heat release through the valve 11 No. 2, the other part of the air enters the high-temperature heat accumulator 13 for heat release through the valve 12 No. 3, the air after heat release in the high-temperature heat accumulator 13 is merged with the air after heat release of the air-carbon, finally, discharging the carbon dioxide into the external atmosphere, wherein the supercritical carbon dioxide circulates and normally operates;
when sunlight is insufficient, but still a certain amount of heat can be supplied, and sufficient heat can be supplied in the high-temperature heat accumulator 13, the No. 1 valve 10, the No. 2 valve 11 and the No. 5 valve 15 are closed, the No. 3 valve 12 and the No. 4 valve 14 are opened, firstly, the compressor 1 absorbs air from the outside atmosphere to compress, then the air is sent to the cold side of the air heat exchanger 2 to absorb heat, the heated compressed air enters the air turbine 3 to do work through expansion, the expanded low-pressure air enters the solar heat collector 4 to absorb heat, the air absorbing certain heat enters the high-temperature heat accumulator 13 through the No. 3 valve 12 to continue to absorb heat, then heat is released in the air-carbon dioxide heat exchanger 5 through a No. 4 valve 14, then the heat enters the hot side of the air heat exchanger 2 to continue releasing heat, finally the heat is discharged into the external atmosphere, and the supercritical carbon dioxide cycle normally operates;
when sunlight cannot provide heat and enough heat can be provided in the high-temperature heat accumulator 13, the valve 11, the valve 12 and the valve 15 of No. 2, the valve 10 and the valve 14 of No. 1 are opened, firstly, the air compressor 1 absorbs air from the outside atmosphere to compress, then, the air is sent to the cold side of the air heat exchanger 2 to absorb heat, the heated compressed air enters the air turbine 3 to expand to do work, the expanded low-pressure air directly enters the high-temperature heat accumulator 13 through the valve 10 of No. 1 to absorb heat, then, the air is released in the air-carbon dioxide heat exchanger 5 through the valve 14 of No. 4, then, the air enters the hot side of the air heat exchanger 2 to continue releasing heat, and finally, the air is discharged into the outside atmosphere, and the supercritical carbon dioxide;
when sunlight is insufficient, meanwhile, the heat in the high-temperature heat accumulator 13 is insufficient to provide high-temperature heat of supercritical carbon dioxide circulation, but the temperature of the air Brayton circulation can be met, the valve 11 No. 2, the valve 12 No. 3 and the valve 14 No. 4 are closed, the valve 10 No. 1 and the valve 15 No. 5 are opened, firstly, the air compressor 1 absorbs air from the outside atmosphere to be compressed, then the air is sent to the cold side of the air heat exchanger 2 to absorb heat, the heated compressed air enters the air turbine 3 to expand to do work, the expanded low-pressure air directly enters the high-temperature heat accumulator 13 through the valve 10 No. 1 to absorb heat, then directly enters the hot side of the air heat exchanger 2 through the valve 15 No. 5 to release heat, and finally is discharged into the outside atmosphere, and at the moment.
The supercritical carbon dioxide cycle is a closed cycle, high-pressure supercritical carbon dioxide after absorbing heat released by high-temperature air in the air-carbon dioxide heat exchanger 5 enters the carbon dioxide turbine 6 to do work and becomes low-pressure supercritical carbon dioxide after expansion work, the low-pressure supercritical carbon dioxide firstly enters the hot side of the carbon dioxide heat regenerator 7 to release waste heat and then enters the precooler 8 to be continuously cooled, the cooled low-pressure low-temperature supercritical carbon dioxide enters the carbon dioxide compressor 9 to be pressurized, the pressurized supercritical carbon dioxide enters the cold side of the carbon dioxide heat regenerator 7 to absorb heat and then enters the air-carbon dioxide heat exchanger 5 to continuously absorb heat, finally the temperature reaches the highest temperature, and finally the cooled low-pressure low-temperature supercritical carbon dioxide enters the carbon dioxide turbine 6 to complete.
The utility model has the advantages that:
a take two brayton combined cycle solar electric system of heat accumulation, at first adopt the exhaust of air brayton cycle turbine as solar collector's heat absorption working medium, pressure is close the ordinary pressure, therefore the heat collector to and the channel material of conveying fluid can choose the common use adoption for use, need not consider the problem of intensity under the high temperature. When the high-temperature hot fluid is conveyed to the energy storage system and the vicinity of the unit, the high-temperature alloy material is selected, so that the material cost can be greatly reduced.
In addition, the utility model discloses a supercritical carbon dioxide generating set, it has small characteristics, also can reduce material consumption. In addition, the system adopts the combination of air Brayton cycle and a supercritical carbon dioxide generator set, so that the generating efficiency is higher.
Meanwhile, the system is provided with a high-temperature heat storage device and a related pipeline valve, so that the system has the functions of energy storage and regulation, and the impact of solar radiation on a power grid along with the change of time can be greatly reduced. And the heat storage system can give consideration to both supercritical carbon dioxide cycle heat storage and air Brayton cycle heat storage, and can realize that the air Brayton cycle utilizes medium-high temperature heat to continue to operate for a period of time after the high-temperature supercritical carbon dioxide Brayton cycle stops operating, thereby utilizing the solar heat to the maximum extent.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The system comprises an air compressor 1, an air heat exchanger 2, an air turbine 3, a solar heat collector 4, an air-carbon dioxide heat exchanger 5, a carbon dioxide turbine 6, a carbon dioxide heat regenerator 7, a precooler 8, a carbon dioxide compressor 9, a valve 10 No. 1, a valve 11 No. 2, a valve 12 No. 3, a high-temperature heat accumulator 13, a valve 14 No. 4 and a valve 15 No. 5.
Detailed Description
The present invention will be described in further detail with reference to examples.
Referring to fig. 1, the double brayton combined cycle solar power generation system with heat storage of the present invention is characterized in that the system comprises a compressor 1, an air heat exchanger 2, an air turbine 3, a solar heat collector 4, an air-carbon dioxide heat exchanger 5, a carbon dioxide turbine 6, a carbon dioxide heat regenerator 7, a precooler 8, a carbon dioxide compressor 9, a valve 10 No. 1, a valve 11 No. 2, a valve 12 No. 3, a high temperature heat accumulator 13, and a valve 14 No. 4, wherein an inlet of the compressor 1 is communicated with outside air, an outlet of the compressor 1 is communicated with a low temperature side inlet of the air heat exchanger 2, a low temperature side outlet of the air heat exchanger 2 is communicated with an inlet of the air turbine, an outlet of the air turbine 3 is divided into two paths, one path is communicated with an inlet of the solar heat collector 4, the other path is connected with an inlet of the valve, one path is connected with an inlet of a No. 2 valve 11, the other path is connected with an inlet of a No. 3 valve 12, a No. 1 valve 10 is connected with an outlet of the No. 3 valve 12 after being converged with an inlet of a high-temperature heat accumulator 13, an outlet of the high-temperature heat accumulator 13 is divided into two paths, one path is connected with an inlet of a No. 4 valve 14, the other path is not connected with an inlet of a No. 5 valve, an outlet of the No. 4 valve 14 is communicated with an air side inlet of an air-carbon dioxide heat exchanger 5 after being converged with an outlet of the No. 2 valve 11, an air side outlet of the air-carbon dioxide heat exchanger 5 is communicated with a high-temperature side inlet of the air heat exchanger 2 after being converged with an outlet of the No. 5 valve 15, a high-temperature side outlet of the air heat exchanger 2 is communicated with outside air, an outlet of a carbon dioxide turbine 6 is communicated with a, the carbon dioxide side outlet of the precooler 8 is communicated with the inlet of a carbon dioxide compressor 9, the outlet of the carbon dioxide compressor 9 is communicated with the low-temperature side inlet of a carbon dioxide heat regenerator 7, the low-temperature side outlet of the carbon dioxide heat regenerator 7 is communicated with the carbon dioxide side inlet of an air-carbon dioxide heat exchanger 5, and the carbon dioxide side outlet of the air-carbon dioxide heat exchanger 5 is communicated with the inlet of a carbon dioxide turbine 6.
The utility model discloses a concrete working process does:
when the sunlight is sufficient and the heat in the high-temperature heat accumulator 13 is insufficient, the valve 10, the valve 14 No. 1 is closed, the valve 11 No. 2, the valve 12 No. 3 and the valve 15 No. 5 are opened, firstly, the air compressor 1 absorbs air from the outside atmosphere for compression, then, the air is sent to the cold side of the air heat exchanger 2 for heat absorption, the heated compressed air enters the air turbine 3 for expansion and work doing, the expanded low-pressure air enters the solar heat collector 4 for heat absorption, the air heated to high temperature is divided into two paths, one part of the air directly enters the air-carbon dioxide heat exchanger 5 for heat release through the valve 11 No. 2, the other part of the air enters the high-temperature heat accumulator 13 for heat release through the valve 12 No. 3, the air after heat release in the high-temperature heat accumulator 13 is merged with the air after heat release of the air-carbon, and finally discharged to the outside atmosphere. At the moment, the supercritical carbon dioxide cycle normally runs, the supercritical carbon dioxide cycle is closed cycle, high-pressure supercritical carbon dioxide after absorbing heat released by high-temperature air in the air-carbon dioxide heat exchanger 5 enters the carbon dioxide turbine 6 to do work, the high-pressure supercritical carbon dioxide is changed into low-pressure supercritical carbon dioxide after expansion work, the low-pressure supercritical carbon dioxide firstly enters the hot side of the carbon dioxide heat regenerator 7 to release waste heat, then enters the precooler 8 to be continuously cooled, the cooled low-pressure low-temperature supercritical carbon dioxide enters the carbon dioxide compressor 9 to be pressurized, the pressurized supercritical carbon dioxide enters the cold side of the carbon dioxide heat regenerator 7 to absorb heat, then enters the air-carbon dioxide heat exchanger 5 to continuously absorb heat, finally reaches the highest temperature, and finally enters the carbon dioxide turbine 6 to finish.
When sunlight is insufficient, a certain amount of heat can still be provided, and enough heat can be provided in the high-temperature heat accumulator 13, the valve 10 of the No. 1, the valve 11 of the No. 2 and the valve 15 of the No. 5 are closed, the valve 12 of the No. 3 and the valve 14 of the No. 4 are opened, firstly, the air compressor 1 absorbs air from the outside atmosphere to compress, then, the air is sent to the cold side of the air heat exchanger 2 to absorb heat, the heated compressed air enters the air turbine 3 to expand and do work, the expanded low-pressure air enters the solar heat collector 4 to absorb heat, the air absorbing a certain amount of heat enters the high-temperature heat accumulator 13 through the valve 12 of the No. 3 to continuously absorb heat, then, the air passes through the valve 14 of the No. 4 to release heat in the air-carbon. The supercritical carbon dioxide cycle itself operates normally.
When sunlight cannot provide heat and enough heat can be provided in the high-temperature heat accumulator 13, the valve 11, the valve 12 and the valve 15 of the No. 2, the valve 10 and the valve 14 of the No. 1 are opened, firstly, the air compressor 1 absorbs air from the outside atmosphere to compress the air, then the air is sent to the cold side of the air heat exchanger 2 to absorb the heat, the heated compressed air enters the air turbine 3 to expand to do work, the expanded low-pressure air directly enters the high-temperature heat accumulator 13 through the valve 10 of the No. 1 to absorb the heat, then the air passes through the valve 14 of the No. 4 to release heat in the air-carbon dioxide heat exchanger 5, then enters the hot side of the air heat exchanger 2 to continuously release the heat, and finally the. The supercritical carbon dioxide cycle itself operates normally.
When sunlight is insufficient, meanwhile, the heat in the high-temperature heat accumulator 13 is insufficient to provide high-temperature heat of supercritical carbon dioxide circulation, but the temperature of air Brayton circulation can be met, the valve 11 No. 2, the valve 12 No. 3 and the valve 14 No. 4 are closed, the valve 10 No. 1 and the valve 15 No. 5 are opened, firstly, the air compressor 1 absorbs air from the external atmosphere to be compressed, then the air is sent to the cold side of the air regenerator 2 to absorb heat, the heated compressed air enters the air turbine 3 to be expanded to do work, the expanded low-pressure air directly enters the high-temperature heat accumulator 13 through the valve 10 No. 1 to absorb heat, then directly enters the hot side of the air heat exchanger 2 through the valve 15 No. 5 to release heat, and finally the heat is. At which point the supercritical carbon dioxide cycle itself ceases to operate. The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (4)
1. The double-Brayton combined cycle solar power generation system with the heat storage function is characterized by comprising a gas compressor (1), wherein an inlet of the gas compressor (1) is communicated with outside air, an outlet of the gas compressor (1) is communicated with a low-temperature side inlet of an air heat exchanger (2), a low-temperature side outlet of the air heat exchanger (2) is communicated with an inlet of an air turbine (3), an outlet of the air turbine (3) is divided into two paths, one path is communicated with an inlet of a solar heat collector (4), the other path is connected with an inlet of a high-temperature heat accumulator (13), an outlet of the solar heat collector (4) is divided into two paths, one path is connected with an inlet of the high-temperature heat accumulator (13), the other path is connected with an air side inlet of an air-carbon dioxide heat exchanger (5), an outlet of the high-temperature heat accumulator (13) is divided into two paths, the other path of the air-carbon dioxide heat exchanger is converged with an air side outlet of the air-carbon dioxide heat exchanger (5) and then is connected with a high-temperature side inlet of the air heat exchanger (2), and a high-temperature side outlet of the air heat exchanger (2) is communicated with the outside air.
2. The system of claim 1, the device is characterized in that a carbon dioxide side outlet of the air-carbon dioxide heat exchanger (5) is communicated with an inlet of a carbon dioxide turbine (6), an outlet of the carbon dioxide turbine (6) is communicated with a high-temperature side inlet of a carbon dioxide regenerator (7), a high-temperature side outlet of the carbon dioxide regenerator (7) is communicated with a carbon dioxide side inlet of a precooler (8), a carbon dioxide side outlet of the precooler (8) is communicated with an inlet of a carbon dioxide compressor (9), an outlet of the carbon dioxide compressor (9) is communicated with a low-temperature side inlet of the carbon dioxide regenerator (7), and a low-temperature side outlet of the carbon dioxide regenerator (7) is communicated with a carbon dioxide side inlet of the air-carbon dioxide heat exchanger (5).
3. The double-Brayton combined cycle solar power generation system with heat storage function according to claim 1, wherein a valve (10) No. 1 is arranged between the outlet of the air turbine (3) and the inlet of the high-temperature heat accumulator (13), the outlet of the solar heat collector (4) is divided into two paths, one path is connected with the inlet of the valve (11) No. 2, the outlet of the valve (11) No. 2 is connected with the air-side inlet of the air-carbon dioxide heat exchanger (5), the other path is connected with the inlet of the valve (12) No. 3, and the outlet of the valve (10) No. 1 and the outlet of the valve (12) No. 3 are merged and then connected with the inlet of the high-temperature heat accumulator (13).
4. The double-Brayton combined cycle solar power generation system with heat storage function according to claim 1, wherein the outlet of the high-temperature heat accumulator (13) is divided into two paths, one path is connected with the inlet of a valve (14) No. 4, the other path is connected with the inlet of a valve (15) No. 5, the outlet of the valve (14) No. 4 is communicated with the air-side inlet of the air-carbon dioxide heat exchanger (5) after being merged with the outlet of the valve (11) No. 2, and the air-side outlet of the air-carbon dioxide heat exchanger (5) is communicated with the high-temperature-side inlet of the air heat exchanger (2) after being merged with the outlet of the valve (15) No. 5.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111878330A (en) * | 2020-09-02 | 2020-11-03 | 西安热工研究院有限公司 | double-Brayton combined cycle solar power generation system and method with heat storage function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878330A (en) * | 2020-09-02 | 2020-11-03 | 西安热工研究院有限公司 | double-Brayton combined cycle solar power generation system and method with heat storage function |
| CN111878330B (en) * | 2020-09-02 | 2024-04-26 | 西安热工研究院有限公司 | Double-Brayton combined cycle solar power generation system with heat storage function and method |
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