CN209800176U - Solar energy multi-energy complementary power generation system - Google Patents
Solar energy multi-energy complementary power generation system Download PDFInfo
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- CN209800176U CN209800176U CN201822232742.3U CN201822232742U CN209800176U CN 209800176 U CN209800176 U CN 209800176U CN 201822232742 U CN201822232742 U CN 201822232742U CN 209800176 U CN209800176 U CN 209800176U
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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Abstract
The utility model discloses a solar multi-energy complementary power generation system, which comprises a groove-disc complementary heat collecting system, a heat storage system, a heat supplementing system and a heat energy conversion system; the groove-disc complementary heat gathering system and the heat supplementing system are connected with the heat energy conversion system through a heat storage system; the utility model has the advantages that: the solar energy photo-thermal power generation system realizes energy storage and application of wind power generation and photovoltaic power generation, can also realize storage and application of solar photo-thermal power, obviously enhances the stability and the power generation efficiency of solar photo-thermal power generation and biomass energy power generation, and has obvious economic benefit and social benefit.
Description
Technical Field
The utility model relates to a solar photo-thermal system, specifically speaking are complementary power generation system of solar energy multipotency belongs to the solar photo-thermal system field.
Background
the solar photo-thermal power generation is realized by collecting solar heat energy by utilizing a large-scale array parabolic or dish-shaped mirror surface, providing steam through a heat exchange device and combining the process of a traditional steam turbine to achieve the purpose of power generation. Solar photo-thermal power generation is increasingly emphasized by mainstream countries in the world, and meanwhile, the solar photo-thermal power generation technology is continuously upgraded.
at present, solar photo-thermal power generation systems are mainly divided into a groove type photo-thermal power generation system, a tower type photo-thermal power generation system and a disc type photo-thermal power generation system, wherein the groove type photo-thermal power generation system is relatively mature in technology and has the highest utilization rate, but due to structural limitation of the system, cosine efficiency is not high, so that photo-thermal efficiency is not high; the cosine efficiency of the disc type thermal power generation system can reach 1 theoretically, so that the photo-thermal efficiency is the highest of the three photo-thermal power generation systems.
At present, solar photo-thermal power generation also belongs to a continuously improved technology, wherein a high-temperature heat storage technology belongs to one of difficulties;
meanwhile, with the development of new energy, wind power generation, photovoltaic power generation and biomass power generation are widely applied, but the utilization rate is low in the using process.
disclosure of Invention
in order to solve the technical problem, the utility model designs a complementary power generation system of solar energy multipotency has realized wind power generation and photovoltaic power generation's energy storage and application, can also realize solar photothermal storage and application, is showing simultaneously reinforcing solar photothermal and biomass energy power generation's stability and generating efficiency, has obvious economic benefits and social.
The technical scheme of the utility model is that:
A solar multi-energy complementary power generation system comprises a groove-disc complementary heat collecting system, a heat storage system, a heat supplementing system and a heat energy conversion system; the groove-disc complementary heat gathering system and the heat supplementing system are connected with the heat energy conversion system through a heat storage system;
the groove-disc complementary heat gathering system comprises a groove type reflector array, a disc type light gathering and heat collecting device array, an output main pipeline and an input main pipeline; the groove type reflector array is formed by connecting groove type reflectors in series to form a circular array, the surface of the groove type reflector faces outwards, and the structural design defect of the groove type reflector is overcome through array type; the dish type light-focusing heat collector array consists of dish type light-focusing heat collectors and is positioned at the central position of the groove type reflective mirror; the outlets of the groove type reflector array and the dish type concentrating collector array are connected with the output main pipeline; the inlets of the groove type reflector array and the dish type concentrating collector array are connected with the input main pipeline;
The heat storage system comprises a molten salt high-temperature tank group, a molten salt low-temperature tank group, a high-temperature molten salt circulating pump, a first low-temperature molten salt circulating pump and a second low-temperature molten salt circulating pump; the molten salt high-temperature tank group comprises a first molten salt high-temperature tank and a second molten salt high-temperature tank which are connected in parallel through a connecting pipeline, and the connecting pipeline is provided with a control valve; outlets of the first molten salt high-temperature tank and the second molten salt high-temperature tank are connected with an inlet of the high-temperature molten salt circulating pump through a confluence pipeline;
The input main pipeline is connected with the outlet of the first low-temperature molten salt circulating pump; the output main pipeline is connected with the inlet of the molten salt high-temperature tank group;
control valves are arranged at the inlet and the outlet of the groove type reflector array and the inlet and the outlet of the disc type concentrating collector array and are used for controlling the flow of the molten salt;
the inlet of the first molten salt high-temperature tank is connected with the outlets of the groove type reflector array and the dish type light-gathering heat collector array through an input main pipeline;
a control valve is arranged at the opening of the second molten salt high-temperature tank;
the molten salt low-temperature tank group is formed by connecting a first molten salt low-temperature tank and a second molten salt low-temperature tank in parallel through a connecting pipeline, and a control valve is arranged in the middle of the connecting pipeline; inlets of the first molten salt low-temperature tank and the second molten salt low-temperature tank are connected with a second heat exchanger of the heat energy conversion system through a confluence pipeline;
the outlet of the first molten salt low-temperature tank is connected with the inlet of the first low-temperature molten salt circulating pump through a pipeline; the outlet of the second molten salt low-temperature tank is connected with the inlet of the second low-temperature molten salt circulating pump through a pipeline; and a control valve is arranged at the inlet of the second molten salt low-temperature tank.
Further, the heat supplementing system comprises a photovoltaic power generation system, a wind power generation system and an electric heater; the wind power generation system and the photovoltaic power generation system are electrically connected with the electric heater; the outlet of the second low-temperature molten salt circulating pump is connected to the inlet of the electric heater through a pipeline; and the outlet of the electric heater is connected with the inlet of the second molten salt high-temperature tank through a pipeline.
furthermore, the photovoltaic power generation system is a high-reliability off-grid solar photovoltaic power generation system, and comprises a solar cell square matrix, wherein the output end of the solar cell square matrix is connected with the input end of a main controller, the output end of the main controller is respectively connected with a storage battery and a direct current load, a DC/DC converter and a charge and discharge controller are arranged in the main controller, the solar cell square matrix is respectively connected with the storage battery and the direct current load through the DC/DC converter, and the storage battery is connected with the direct current load through the charge and discharge controller. The solar cell matrix converts received solar energy into direct current electric energy, maximum power point tracking is achieved through control over a DC/DC converter in the main controller, then one part of the output direct current electric energy of the solar cell matrix is supplied to a direct current load through a direct current bus in the main controller, and the other part of the output direct current electric energy is stored in the storage battery pack. When the direct current bus voltage in the main controller is out of the normal working range value, the storage battery pack provides energy to the direct current load through the charge-discharge controller in the main controller, and reliable power supply of the direct current emergency load is always ensured.
Further, master controller and storage battery set up in the box, the solar cell square matrix is in through flexible post setting the top of box, the box sets up on the support, the tip of solar cell square matrix with the support is articulated, the tip of flexible post with the solar cell square matrix is articulated, be equipped with adjusting bolt on the flexible post, the length of the flexible post of fixed regulation can be made to make the solar cell square matrix rotate from top to bottom on vertical face, make the contained angle of solar cell square matrix and horizontal plane be 15-75 jiaos, just so can be according to the difference of different illumination season angles in different areas, make solar illumination can shine perpendicularly on the solar cell square matrix, and then make the photoelectric conversion efficiency of solar cell square matrix higher, the adaptability is stronger, and the range of application is wider. Meanwhile, by adopting the connecting structure, compared with the mode of ball joint and universal joint connection, the connecting structure has stronger applicability, more stable and reliable structure and longer service life.
Further, the bottom of support is equipped with the gyro wheel to not only can conveniently remove, but also can make solar cell square matrix 360 rotations in the horizontal direction, just so can be according to the difference of different seasons illumination angle in different areas of different time, make solar illumination can shine perpendicularly on solar cell square matrix, make the photoelectric conversion efficiency of solar cell square matrix further improve. The rollers are preferably universal wheels.
furthermore, flexible post is hollow structure, solar cell array and master controller between the connecting wire pass flexible post has improved the protection effect to the connecting wire, has avoided the connecting wire to receive external damage, has prolonged life.
furthermore, the hinged position of the telescopic column and the solar cell matrix is provided with a rubber sheath, so that the connection tightness is improved.
Further, be connected with the cooling tube between the lateral wall of box, the tip opening of cooling tube is linked together with the external world, be equipped with a plurality of heat dissipation gas pockets on the pipe wall of cooling tube to make the air phase between box inner space and the exterior space circulate, improved box inner structure's radiating efficiency, the reliability in utilization improves, has prolonged life.
Further, the heat energy conversion system comprises a biomass boiler, a steam outlet of the biomass boiler is connected with a steam inlet of a first heat exchanger, a steam outlet of the first heat exchanger is connected with a steam inlet of a second heat exchanger through a pipeline, a steam outlet of the second heat exchanger is connected with an inlet of a steam turbine, an outlet of the steam turbine is connected with an inlet of a condenser, and the steam turbine is directly connected with a generator; and the outlet of the condenser is connected with the water inlet of the biomass boiler through a water pump by a pipeline.
the heat energy conversion system further comprises a water tank, and the water tank is arranged on a pipeline between an outlet of the condenser and the water pump.
The biomass boiler mainly uses solidified biomass fuel for heating water to generate steam.
The second heat exchanger is connected with an inlet of the waste heat storage tank through a pipeline and used for storing redundant superheated steam; the outlet of the waste heat storage tank is connected with the steam turbine; and control valves are arranged at the outlet and the inlet of the waste heat storage tank.
The pipeline used by the system is provided with a nano coating, a heat insulation layer, a heat preservation layer and a protection layer from inside to outside; the outer wall of the pipeline is coated with a layer of nano coating; the heat insulation layer is a vacuum heat insulation sleeve layer; the heat-insulating layer is an aluminum silicate fiber heat-insulating layer; the protective layer is a galvanized spiral tube layer.
the utility model has the advantages that: the solar energy photo-thermal power generation system realizes energy storage and application of wind power generation and photovoltaic power generation, can also realize storage and application of solar photo-thermal power, obviously enhances the stability and the power generation efficiency of solar photo-thermal power generation and biomass energy power generation, and has obvious economic benefit and social benefit.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a highly reliable off-grid solar photovoltaic power generation system;
In the figure: 1, a groove-disc complementary heat gathering system; 11 a trough mirror array; 12 a dish concentrator array; 13 an output main pipeline; 14 an input main pipeline;
2, a heat storage system; 21 a first molten salt high temperature tank; 22 a second molten salt high temperature tank; 23 a second molten salt cryotank; 24 a first molten salt cryotank; 25 high-temperature molten salt circulating pump; 26 a first low temperature molten salt circulating pump; 27 a second low temperature molten salt circulating pump;
3, a heat supplementing system; 31 a photovoltaic power generation system; 32 a wind power generation system; 33 an electric heater; 311 a solar cell matrix; 312 a master; 313 battery packs; 314 a box body; 315 a bracket; 316 telescoping post; 317 a radiating pipe; 318 roller wheel; 319 adjusting the bolt;
4 a thermal energy conversion system; 41 a biomass boiler; 42 a first heat exchanger; 43 a second heat exchanger; a 44 steam turbine; a 45 condenser; 46 a water storage tank; 47 water pump; 48 waste heat storage tank.
Detailed Description
The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is not intended to limit the invention.
example 1
as shown in fig. 1-2, a solar multi-energy complementary power generation system includes a trough-dish complementary heat collecting system 1, a heat storage system 2, a heat supplementing system 3 and a heat energy conversion system 4; the groove-disc complementary heat collecting system 1 and the heat supplementing system 3 are connected with the heat energy conversion system 4 through the heat storage system 2;
the trough-disc complementary heat gathering system 1 comprises a trough type reflector array 11, a disc type light gathering and heat collecting device array 12, an output main pipeline 13 and an input main pipeline 14; the groove type reflector array 11 is formed by connecting groove type reflectors in series to form a circular array, the surface of the groove type reflector faces outwards, and the structural design defect of the groove type reflector is made up through array type; the dish type concentrating collector array 12 consists of dish type concentrating collectors and is positioned at the central position of the groove type reflecting mirror 11; the outlets of the trough type reflector array 11 and the dish type concentrating collector array 12 are connected with the output main pipeline 13; the inlets of the trough type reflector array 11 and the dish type concentrating collector array 12 are connected with the input main pipeline 14;
the heat storage system 2 comprises a molten salt high-temperature tank group, a molten salt low-temperature tank group, a high-temperature molten salt circulating pump 25, a first low-temperature molten salt circulating pump 26 and a second low-temperature molten salt circulating pump 27; the molten salt high-temperature tank group comprises a first molten salt high-temperature tank 21 and a second high-temperature molten salt tank 22 which are connected in parallel through a connecting pipeline, and the connecting pipeline is provided with a control valve; outlets of the first molten salt high-temperature tank 21 and the second molten salt high-temperature tank 22 are connected with an inlet of the high-temperature molten salt circulating pump 25 through a confluence pipeline;
The input main pipeline 14 is used for connecting inlets of the trough type reflector array 11 and the dish type concentrating collector array 12 and is connected with an outlet of the first low-temperature molten salt circulating pump 26;
the output main pipeline 13 is used for connecting outlets of the groove type reflector array 11 and the dish type concentrating collector array 12 and is connected with an inlet of the molten salt high-temperature tank group;
Control valves are arranged at the inlet and the outlet of the groove type reflector array 11 and the inlet and the outlet of the disc type concentrating collector array 12 and are used for controlling the flow of molten salt;
An inlet of the first molten salt high-temperature tank 21 is connected with outlets of the trough type reflector array 11 and the dish type concentrating collector array 12 through an input main pipeline 14;
A control valve is arranged at the outlet of the second molten salt high-temperature tank 22;
The molten salt low-temperature tank group is formed by connecting a first molten salt low-temperature tank 24 and a second molten salt low-temperature tank 23 in parallel through a connecting pipeline, and a control valve is arranged in the middle of the connecting pipeline; inlets of the first molten salt low-temperature tank 24 and the second molten salt low-temperature tank 23 are connected with a second heat exchanger of the thermal energy conversion system through a confluence pipeline;
The outlet of the first molten salt low-temperature tank 24 is connected with the inlet of the first low-temperature molten salt circulating pump 26 through a pipeline; the outlet of the second molten salt low-temperature tank 23 is connected with the inlet of the second low-temperature molten salt circulating pump 27 through a pipeline; a control valve is arranged at the inlet of the second molten salt low-temperature tank 23;
The heat supplementing system 3 comprises a photovoltaic power generation system 31, a wind power generation system 32 and an electric heater 33; the wind power generation system and the photovoltaic power generation system are electrically connected with the electric heater 33; the outlet of the second low-temperature molten salt circulating pump 27 is connected to the inlet of the electric heater through a pipeline; the outlet of the electric heater is connected with the inlet of the second molten salt high-temperature tank 22 through a pipeline.
the photovoltaic power generation system 31 is a high-reliability off-grid solar photovoltaic power generation system, and comprises a solar cell square matrix 311, a main controller 312, a storage battery 313, a direct current load and the like, wherein the output end of the solar cell square matrix 311 is connected with the input end of the main controller 312, the output end of the main controller 312 is respectively connected with the storage battery 313 and the direct current load, a DC/DC converter and a charge and discharge controller are arranged in the main controller 312, the solar cell square matrix is respectively connected with the storage battery and the direct current load through the DC/DC converter, and the storage battery is connected with the direct current load through the charge and discharge controller. The solar cell matrix converts received solar energy into direct current electric energy, maximum power point tracking is achieved through control over a DC/DC converter in the main controller, then one part of the output direct current electric energy of the solar cell matrix is supplied to a direct current load through a direct current bus in the main controller, and the other part of the output direct current electric energy is stored in the storage battery pack. When the direct current bus voltage in the main controller is out of the normal working range value, the storage battery pack provides energy to the direct current load through the charge-discharge controller in the main controller, and reliable power supply of the direct current emergency load is always ensured.
the main controller 312 and the storage battery set 313 are arranged in a box 314, the solar cell matrix is arranged above the box 314 through a telescopic column 316, the box 314 is arranged on a bracket 315, the end of the solar cell array 311 is hinged with the bracket 315, the end of the telescopic column 316 is hinged with the solar cell matrix 311, the telescopic column 316 is provided with an adjusting bolt 319 which can fixedly adjust the length of the telescopic column, thereby enabling the solar cell array to rotate up and down on the vertical plane, enabling the included angle between the solar cell array and the horizontal plane to be 15-75 degrees, so that the solar illumination can vertically irradiate on the solar cell matrix according to the difference of illumination angles in different seasons of different areas, and further, the photoelectric conversion efficiency of the solar cell array is higher, the adaptability is stronger, and the application range is wider. Meanwhile, by adopting the connecting structure, compared with the mode of ball joint and universal joint connection, the connecting structure has stronger applicability, more stable and reliable structure and longer service life.
The bottom of support 315 is equipped with gyro wheel 318 to not only can conveniently remove, but also can make solar cell array 360 rotatory in the horizontal direction, just so can be according to the difference of different seasons illumination angle in different areas of different time, make solar illumination can shine perpendicularly on solar cell array, make the photoelectric conversion efficiency of solar cell array further improve. The rollers are preferably universal wheels.
The telescopic column 316 is of a hollow structure, and the connecting wire between the solar cell array and the master controller passes through the telescopic column, so that the protection effect on the connecting wire is improved, the connecting wire is prevented from being damaged by the outside, and the service life is prolonged.
The hinged position of the telescopic column and the solar cell matrix is provided with a rubber sheath, so that the connection tightness is improved.
The radiating pipe 317 is connected between the side walls of the box body 314, the end part of the radiating pipe is opened and is communicated with the outside, and a plurality of radiating air holes are arranged on the pipe wall of the radiating pipe, so that air between the inner space of the box body and the outer space can flow through, the radiating efficiency of the inner structure of the box body is improved, the use reliability is improved, and the service life is prolonged.
The wind power generation system is an existing wind power generation system;
The heat energy conversion system 4 comprises a biomass boiler 41, a first heat exchanger 42, a second heat exchanger 43, a steam turbine 44, a condenser 45, a water storage tank 46, a water pump 47, a generator and a waste heat storage tank 48; a steam outlet of the biomass boiler 41 is connected with a steam inlet of the first heat exchanger 42, a steam outlet of the first heat exchanger 42 is connected with a steam inlet of the second heat exchanger 43 through a pipeline, a steam outlet of the second heat exchanger 43 is connected with an inlet of a steam turbine 44, an outlet of the steam turbine 44 is connected with an inlet of a condenser 45, and the steam turbine is directly connected with a generator; and the outlet of the condenser 45 is connected with the water inlet of the biomass boiler 41 through a water pump by a pipeline. The heat energy conversion system 4 further comprises a water tank, and the water tank is arranged on a pipeline between an outlet of the condenser and the water pump.
The biomass boiler 41 mainly uses solidified biomass fuel for heating water to generate steam;
the second heat exchanger 43 is connected with an inlet of the waste heat storage tank 48 through a pipeline and is used for storing redundant superheated steam; the outlet of the waste heat storage tank 48 is connected with the steam turbine; the outlet and the inlet of the waste heat storage tank are both provided with control valves;
The pipeline used by the system is provided with a nano coating, a heat insulation layer, a heat preservation layer and a protection layer from inside to outside; the outer wall of the pipeline is coated with a layer of nano coating; the heat insulation layer is a vacuum heat insulation sleeve layer; the heat-insulating layer is an aluminum silicate fiber heat-insulating layer; the protective layer is a galvanized spiral tube layer.
Claims (10)
1. A solar multi-energy complementary power generation system is characterized in that: the system comprises a groove-disc complementary heat gathering system, a heat storage system, a heat supplementing system and a heat energy conversion system; the groove-disc complementary heat gathering system and the heat supplementing system are connected with the heat energy conversion system through a heat storage system;
the groove-disc complementary heat gathering system comprises a groove type reflector array, a disc type light gathering and heat collecting device array, an output main pipeline and an input main pipeline; the groove type reflector array is formed by serially connecting groove type reflectors into a circular array, and the mirror surface of the groove type reflector faces outwards; the dish type light-focusing heat collector array consists of dish type light-focusing heat collectors and is positioned at the central position of the groove type reflective mirror; the outlets of the groove type reflector array and the dish type concentrating collector array are connected with the output main pipeline; the inlets of the groove type reflector array and the dish type concentrating collector array are connected with the input main pipeline;
the heat storage system comprises a molten salt high-temperature tank group, a molten salt low-temperature tank group, a high-temperature molten salt circulating pump, a first low-temperature molten salt circulating pump and a second low-temperature molten salt circulating pump; the molten salt high-temperature tank group comprises a first molten salt high-temperature tank and a second molten salt high-temperature tank which are connected in parallel through a connecting pipeline, and the connecting pipeline is provided with a control valve; outlets of the first molten salt high-temperature tank and the second molten salt high-temperature tank are connected with an inlet of the high-temperature molten salt circulating pump through a confluence pipeline;
The input main pipeline is connected with the outlet of the first low-temperature molten salt circulating pump; the output main pipeline is connected with the inlet of the molten salt high-temperature tank group;
Control valves are arranged at the inlet and the outlet of the groove type reflector array and the inlet and the outlet of the disc type concentrating collector array and are used for controlling the flow of the molten salt;
The inlet of the first molten salt high-temperature tank is connected with the outlets of the groove type reflector array and the dish type light-gathering heat collector array through an input main pipeline;
a control valve is arranged at the opening of the second molten salt high-temperature tank;
the molten salt low-temperature tank group is formed by connecting a first molten salt low-temperature tank and a second molten salt low-temperature tank in parallel through a connecting pipeline, and a control valve is arranged in the middle of the connecting pipeline; inlets of the first molten salt low-temperature tank and the second molten salt low-temperature tank are connected with a second heat exchanger of the heat energy conversion system through a confluence pipeline;
The outlet of the first molten salt low-temperature tank is connected with the inlet of the first low-temperature molten salt circulating pump through a pipeline; the outlet of the second molten salt low-temperature tank is connected with the inlet of the second low-temperature molten salt circulating pump through a pipeline; and a control valve is arranged at the inlet of the second molten salt low-temperature tank.
2. A solar multi-energy complementary power generation system according to claim 1, wherein: the heat supplementing system comprises a photovoltaic power generation system, a wind power generation system and an electric heater; the wind power generation system and the photovoltaic power generation system are electrically connected with the electric heater; the outlet of the second low-temperature molten salt circulating pump is connected to the inlet of the electric heater through a pipeline; and the outlet of the electric heater is connected with the inlet of the second molten salt high-temperature tank through a pipeline.
3. a solar multi-energy complementary power generation system according to claim 2, wherein: the photovoltaic power generation system is a high-reliability off-grid solar photovoltaic power generation system and comprises a solar cell square matrix, wherein the output end of the solar cell square matrix is connected with the input end of a main controller, the output end of the main controller is respectively connected with a storage battery and a direct current load, a DC/DC converter and a charge and discharge controller are arranged in the main controller, the solar cell square matrix is respectively connected with the storage battery and the direct current load through the DC/DC converter, and the storage battery is connected with the direct current load through the charge and discharge controller.
4. a solar multi-energy complementary power generation system according to claim 3, wherein: the solar cell square matrix is arranged above the box body through the telescopic column, the box body is arranged on the support, the end part of the solar cell square matrix is hinged with the support, the end part of the telescopic column is hinged with the solar cell square matrix, and the telescopic column is provided with an adjusting bolt for fixedly adjusting the length of the telescopic column.
5. The solar multi-energy complementary power generation system of claim 4, wherein: the telescopic column is of a hollow structure, and a connecting wire between the solar cell array and the main controller penetrates through the telescopic column.
6. the solar multi-energy complementary power generation system of claim 5, wherein: the radiating pipe is connected between the side walls of the box body, the end portion of the radiating pipe is open and communicated with the outside, and a plurality of radiating air holes are formed in the pipe wall of the radiating pipe.
7. A solar multi-energy complementary power generation system according to claim 1, wherein: the heat energy conversion system comprises a biomass boiler, a steam outlet of the biomass boiler is connected with a steam inlet of a first heat exchanger, a steam outlet of the first heat exchanger is connected with a steam inlet of a second heat exchanger through a pipeline, a steam outlet of the second heat exchanger is connected with an inlet of a steam turbine, an outlet of the steam turbine is connected with an inlet of a condenser, and the steam turbine is directly connected with a generator; and the outlet of the condenser is connected with the water inlet of the biomass boiler through a water pump by a pipeline.
8. a solar multi-energy complementary power generation system according to claim 7, wherein: the heat energy conversion system further comprises a water tank, and the water tank is arranged on a pipeline between an outlet of the condenser and the water pump.
9. a solar multi-energy complementary power generation system according to claim 7, wherein: the second heat exchanger is connected with an inlet of the waste heat storage tank through a pipeline and used for storing redundant superheated steam; the outlet of the waste heat storage tank is connected with the steam turbine; and control valves are arranged at the outlet and the inlet of the waste heat storage tank.
10. A solar multi-energy complementary power generation system according to claim 1, wherein: the connected pipeline is provided with a nano coating, a heat insulation layer, a heat preservation layer and a protective layer from inside to outside; the outer wall of the pipeline is coated with a layer of nano coating; the heat insulation layer is a vacuum heat insulation sleeve layer; the heat-insulating layer is an aluminum silicate fiber heat-insulating layer; the protective layer is a galvanized spiral tube layer.
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| CN112431731A (en) * | 2020-10-30 | 2021-03-02 | 南方电网电动汽车服务有限公司 | Solar power generation system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431731A (en) * | 2020-10-30 | 2021-03-02 | 南方电网电动汽车服务有限公司 | Solar power generation system |
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