CN220267872U - Photo-thermal power generation system - Google Patents
Photo-thermal power generation system Download PDFInfo
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- CN220267872U CN220267872U CN202321666635.6U CN202321666635U CN220267872U CN 220267872 U CN220267872 U CN 220267872U CN 202321666635 U CN202321666635 U CN 202321666635U CN 220267872 U CN220267872 U CN 220267872U
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- 238000010248 power generation Methods 0.000 title claims abstract description 42
- 230000005611 electricity Effects 0.000 claims abstract description 6
- 230000001502 supplementing effect Effects 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 238000005485 electric heating Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 206010070834 Sensitisation Diseases 0.000 description 1
- 238000010795 Steam Flooding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of new energy, and provides a photo-thermal power generation system, which uses high-temperature steam generated by solar energy to replace part of workload of a high-pressure heater, wherein photo-thermal indirect power generation is realized by utilizing the solar energy to generate steam, and then a steam turbine is combined to drive a generator to indirectly participate in power generation, and the system further comprises a power generation system: the power generation system comprises a steam turbine, a generator, a condenser, a low-pressure heater, a deaerator, a high-pressure heater and a high-temperature heater, and steam sequentially circulates in the system; through the setting of structures such as steam turbine and solar energy photo-heater, absorb solar energy, solar energy is clean energy, pollution-free, replaces high-temperature steam of high-pressure heater partial work load with solar energy output, and photo-thermal indirect power generation utilizes solar energy to produce steam, and the steam turbine of reunion, steam turbine drive generator, indirect participation electricity generation reduces turbine power generation system steam loss, reduces environmental pollution.
Description
Technical Field
The utility model relates to the technical field of new energy, in particular to a photo-thermal indirect power generation system and an implementation method.
Background
At present, the technical route of solar thermal power generation in China is as follows: solar photo-thermal power generation is realized by collecting solar radiation energy by utilizing a large-scale array parabolic groove or a dish-shaped mirror surface, providing steam by a heat exchange device and combining the process of a traditional turbo generator, thereby achieving the purpose of power generation.
The energy saving method of the coal-fired unit is broadly divided into an internal energy saving method and an external energy saving method, wherein the internal energy saving method mainly aims at improving or perfecting system configuration, and the external energy saving method aims at achieving the effects of improving efficiency and reducing energy consumption by introducing external resources such as solar energy into the coal-fired unit. The energy saving is an effective method by coupling the original coal-fired unit with an external resource topology.
Disclosure of Invention
The utility model aims to provide a photo-thermal indirect power generation system and an implementation method thereof, so as to solve the problems in the background technology.
The technical scheme of the utility model is as follows:
a photo-thermal power generation system uses high-temperature steam generated by solar energy to replace a part of workload of a high-pressure heater, photo-thermal indirect power generation utilizes the solar energy to generate steam, and then combines a steam turbine, and the steam turbine drives a generator to indirectly participate in power generation, and the system further comprises:
an electricity generation system: the power generation system comprises a steam turbine, a generator, a condenser, a low-pressure heater, a deaerator, a high-pressure heater and a high-temperature heater, and steam sequentially circulates in the system;
photo-thermal circulation system: the photo-thermal circulation system comprises a working medium water tank, a working medium supplementing pump, a working medium cut-off valve, a working medium circulation pump, a plurality of uniformly distributed solar photo-heaters, fixing columns, a steam generator outer container and a steam generator inner container;
vapor balance system: the steam balance system comprises a steam generator, electric heating and a balance tank, wherein the steam generator consists of a steam generator outer container and a steam generator inner container, an outlet of the steam generator inner container is fixedly connected with an inner container steam outlet valve through screws, the top of the balance tank is fixedly connected with a balance steam valve through screws, and the inner container steam outlet valve, the balance steam valve and the steam output valve of the steam balance system are electric and have adjustable opening.
Preferably, the first motor is installed on the fixed column, the output of first motor has the center pin of coaxial setting through the coupling joint, fixed cover is equipped with the bevel gear on the center pin outer peripheral face, it is connected with the carousel to rotate on the fixed column, the carousel with the bevel gear meshing is connected, the top of carousel is through screw fixedly connected with fixing base, the second motor is installed to one side of fixing base, the output of second motor has the pivot of coaxial setting through the coupling joint, fixed cover is equipped with the spur gear on the outer peripheral face of pivot, the inside rotation of fixing base is connected with the rotation gear, the spur gear with the rotation gear meshing is connected, the both ends of pivot are fixed the cover jointly and are equipped with the mount pad, solar photo-heater installs the top of mount pad, the sensitization unit is still installed at the top of mount pad.
Preferably, the circulating working medium of the photo-thermal circulating system is a proportioning working medium with high heat conduction property, and the working medium has the physical properties of good heat transfer property and difficult volatilization.
Preferably, the solar photo-heater is filled with circulating working medium for the system by a working medium filling pump, the working medium enters from a total inlet of the photo-thermal system, the working medium in the system is circulated by the working medium circulating pump, finally heat is led out through a total outlet of the photo-thermal system, and finally high-temperature working medium enters into an outer container of the steam generator, and steam drives the steam turbine to generate electricity.
Preferably, the solar photo-thermal system is provided with meters capable of collecting the temperature, pressure and liquid level of the site, and the data can be remotely transmitted.
Preferably, the fixing columns in each group of solar photo-thermal systems are fixedly connected with a photo-thermal system exhaust port and a photo-thermal system exhaust port through screws respectively and used for draining and exhausting the photo-thermal systems.
Preferably, the steam balance system comprises a steam generator and a balance tank, the steam generator is composed of a steam generator outer container and a steam generator inner container, the top of the steam generator inner container is fixedly connected with an inner container steam outlet valve through screws, and the top of the balance tank is fixedly connected with a balance steam valve through screws and is used for absorbing excessive high-temperature and high-pressure steam.
Preferably, the inner container steam outlet valve, the balance steam valve and the steam output valve of the steam balance system are electric, and the opening degree is adjustable.
The working principle and the beneficial effects of the utility model are as follows:
1. according to the utility model, through the arrangement of structures such as the steam turbine, the solar photo-heater and the like, solar energy is absorbed, the solar energy is clean energy, pollution is avoided, high-temperature steam generated by the solar energy is used for replacing a part of workload of the high-pressure heater, the solar energy is used for generating steam through photo-thermal indirect power generation, and the steam turbine is combined with the steam turbine to drive the generator to indirectly participate in power generation, so that steam loss of a power generation system of the steam turbine is reduced, and environmental pollution is reduced.
2. According to the utility model, through the arrangement of the structures such as the photosensitive unit, the turntable and the like, the photosensitive unit can transmit a signal source to the first motor and the second motor according to strong sunlight irradiation, and after the motor receives a signal, the motor starts to drive the bevel gear or the spur gear to rotate, so that the positions of the fixing seat and the solar photo-heater are adjusted, thereby better absorbing solar energy and improving the energy utilization rate.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a general process diagram of the present utility model;
FIG. 2 is a steam generation diagram of the present utility model;
FIG. 3 is a photo-thermal process diagram of the present utility model;
FIG. 4 is a diagram showing a photo-thermal cycle rotation structure according to a second embodiment of the present utility model;
fig. 5 is an enlarged view at a of the present utility model.
In the figure: 1. a steam turbine; 2. a generator; 3. a condenser; 4. a low pressure heater; 5. a deaerator; 6. a high pressure heater; 7. a working medium water tank; 8. a working medium supplementing pump; 9. a working medium cut-off valve; 10. a working medium circulating pump; 11. a solar photo-heater; 12. an outer bladder of the steam generator; 13. a steam generator liner; 14. a balancing tank; 15. electrically heating; 16. a high temperature heater; 100. a steam outlet valve of the inner container; 101. a balance steam valve; 102. a steam production valve; 200. a total outlet of the photo-thermal system; 201. a total inlet of the photo-thermal system; 202. an exhaust port of the photo-thermal system; 203. a light and heat system drain outlet; 17. a first motor; 18. bevel gears; 19. a turntable; 20. a fixing seat; 21. spur gears; 22. rotating the gear; 23. fixing the column; 24. a second motor; 25. and a photosensitive unit.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 5, this embodiment provides a photo-thermal power generation system, which uses high-temperature steam generated by solar energy to replace a part of workload of a high-pressure heater 6, and photo-thermal indirect power generation is that steam is generated by solar energy, and then the steam turbine 1 is combined, and the steam turbine 1 drives a generator 2 to indirectly participate in power generation, and the system further includes:
an electricity generation system: the power generation system comprises a steam turbine 1, a generator 2, a condenser 3, a low-pressure heater 4, a deaerator 5, a high-pressure heater 6 and a high-temperature heater 16, and steam sequentially circulates in the system;
photo-thermal circulation system: the photo-thermal circulation system comprises a working medium water tank 7, a working medium supplementing pump 8, a working medium cut-off valve 9, a working medium circulating pump 10, a plurality of uniformly distributed solar photo-heaters 11, fixing columns 23, a steam generator outer container 12 and a steam generator inner container 13;
vapor balance system: the steam balance system comprises a steam generator, electric heating 15 and a balance tank 14, wherein the steam generator consists of a steam generator outer container 12 and a steam generator inner container 13, an outlet of the steam generator inner container 13 is fixedly connected with an inner container steam outlet valve 100 through screws, the top of the balance tank 14 is fixedly connected with a balance steam valve 101 through screws, the inner container steam outlet valve 100, the balance steam valve 101 and the steam output valve 102 of the steam balance system are electric, the opening is adjustable, the solar energy is absorbed through the arrangement of structures such as a steam turbine 1 and a solar energy photo-heater 11, the solar energy is clean energy, no pollution is caused, high-temperature steam generated by the solar energy is used for replacing a part of workload of the high-pressure heater 6, solar energy is generated by utilizing solar energy through indirect power generation, and then the steam turbine 1 is combined with the steam turbine 1 to drive a generator 2 to indirectly participate in power generation, so that the steam loss of the power generation system of the steam turbine 1 is reduced, and the environmental pollution is reduced.
The circulating working medium of the photo-thermal circulating system is a proportioning working medium with high heat conduction property.
The solar photo-heater 11 is filled with circulating working medium for the system by the working medium filling pump 8, and enters the system from the total inlet 201 of the photo-thermal system, the working medium in the system is circulated by the working medium circulating pump 10, finally heat is led out through the total outlet 200 of the photo-thermal system, and finally the high-temperature working medium enters the steam generator outer container 12.
The solar photo-thermal system is provided with an instrument which can collect the temperature, the pressure and the liquid level of the site, and the data can be remotely transmitted.
The steam balance system comprises a steam generator and a balance tank 14, wherein the steam generator consists of a steam generator liner 12 and a steam generator liner 13, the top of the steam generator liner 13 is fixedly connected with a liner steam outlet valve 100 through screws, and the top of the balance tank 14 is fixedly connected with a balance steam valve 101 through screws.
The liner steam outlet valve 100, the balance steam valve 101 and the steam output valve 102 of the steam balance system are electric, and the opening degree is adjustable.
In this embodiment: the photo-thermal circulation system is used for absorbing solar radiation, solar energy is clean energy, no pollution is generated, high-temperature steam generated by solar energy is used for replacing a part of workload of the high-pressure heater 6, photo-thermal indirect power generation utilizes solar energy to generate steam, then the steam turbine 1 is combined, the steam turbine 1 drives the generator 2 to indirectly participate in power generation, the steam loss of the power generation system of the steam turbine 1 is reduced, the environmental pollution is reduced, heat is absorbed by working media, the working media circulation pump 10 continuously circulates working media in a pipeline, the working media have good heat transmissibility and the physical property of being not easy to volatilize, the heat is guided out from the circulation working media to the steam generator outer container 12, the heat transfer is realized, the setting of the working media cut-off valve 9 greatly reduces the heat loss, the working media supplementing pump 8 is started and stopped according to the liquid level of the system, the stable circulation of the system is ensured, the solar photo-thermal system is provided with a working medium supplementing pump 8 as a system supplementing circulating working medium, the working medium in the system is circulated by a working medium circulating pump 10, finally heat is led out through a total outlet 200 of the photo-thermal system, finally high-temperature working medium enters a steam generator outer container 12, remote liquid level data participate in controlling the start and stop of the working medium supplementing pump 8 and the switch of a working medium cut-off valve 9, when the liquid level of the solar photo-thermal system is low, the working medium in the solar photo-thermal system is insufficient to support the working medium circulating pump 10 to perform circulation, the working medium supplementing pump 8 is started and the working medium cut-off valve 9 is opened to supplement the circulating working medium for the system, and of course, a liquid level meter capable of remote transmission is arranged in a working medium water tank 7 to monitor the residual quantity of the working medium, a drainage valve ensures that sewage in the system is discharged, an exhaust valve ensures that each group of solar photo-thermal is working medium circulation and is not steam circulation, the vapor balance system balances the instability of the illumination system and ensures the vapor quantity of the power generation system.
Example 2
As shown in fig. 1 to 5, based on the same concept as that of the above embodiment 1, this embodiment further proposes that the fixed column 23 is provided with the first motor 17, the output end of the first motor 17 is connected with a central shaft coaxially disposed through a coupling, a bevel gear 18 is fixedly sleeved on the outer peripheral surface of the central shaft, the fixed column 23 is rotatably connected with a turntable 19, the turntable 19 is meshed with the bevel gear 18, the top of the turntable 19 is fixedly connected with a fixed seat 20 through a screw, one side of the fixed seat 20 is provided with the second motor 24, the output end of the second motor 24 is connected with a rotating shaft coaxially disposed through the coupling, a spur gear 21 is fixedly sleeved on the outer peripheral surface of the rotating shaft, a rotating gear 22 is rotatably connected inside the fixed seat 20, the spur gear 21 is meshed with the rotating gear 22, both ends of the rotating shaft are fixedly sleeved with a mounting seat jointly, the solar photo-heater 11 is mounted at the top of the mounting seat, a photosensitive unit 25 is further mounted at the top of the mounting seat, the photosensitive unit 25 is arranged through the arrangement of the structures of the photosensitive unit 25 and the turntable 19, the photosensitive unit 25 is strongly main in accordance with irradiation, a signal source is transmitted to the first motor 17 and the second motor 24, the second motor 24 is started, the motor signal is driven to rotate, the spur gear 21 or the bevel gear 18 is driven to rotate, the bevel gear 20 is better, the solar energy is absorbed by the solar energy, the solar energy is better, the solar energy is absorbed, and the solar energy is better the solar energy is well, and the solar energy can be well, and the position and the solar energy can be well, and the solar energy.
The fixing columns 23 in each group of solar photo-thermal systems are fixedly connected with a photo-thermal system exhaust port 202 and a photo-thermal system drain port 203 through screws respectively.
In this embodiment, the photosensitive unit 25 transmits the signal source to the first motor 17 and the second motor 24 according to the intensity of the sun light, and after the motors receive the signal, the motors start to drive the coaxially arranged central shaft or rotary shaft to rotate, so as to drive the bevel gear 18 or the spur gear 21 to rotate, thereby adjusting the positions of the fixing seat 20 and the solar photo-heater 11, better absorbing solar energy and improving the energy utilization rate.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. The utility model provides a photo-thermal power generation system which characterized in that replaces high-temperature steam of high-pressure heater (6) a part work load with solar energy output, and photo-thermal indirect power generation utilizes solar energy output steam, combines steam turbine (1) again, and steam turbine (1) drives generator (2), indirect participation electricity generation, and this system still includes:
an electricity generation system: the power generation system comprises a steam turbine (1), a generator (2), a condenser (3), a low-pressure heater (4), a deaerator (5), a high-pressure heater (6) and a high-temperature heater (16), and steam sequentially circulates in the system;
photo-thermal circulation system: the photo-thermal circulation system comprises a working medium water tank (7), a working medium supplementing pump (8), a working medium cut-off valve (9), a working medium circulating pump (10), a plurality of uniformly distributed solar photo-heaters (11), fixed columns (23), a steam generator outer container (12) and a steam generator inner container (13);
vapor balance system: the steam balance system comprises a steam generator, an electric heater (15) and a balance tank (14), wherein the steam generator consists of a steam generator liner (12) and a steam generator liner (13).
2. The photo-thermal power generation system according to claim 1, wherein the fixed column (23) is provided with a first motor (17), an output end of the first motor (17) is connected with a central shaft which is coaxially arranged through a coupling, a bevel gear (18) is fixedly sleeved on the outer peripheral surface of the central shaft, the fixed column (23) is rotationally connected with a rotary table (19), the rotary table (19) is meshed with the bevel gear (18), the top of the rotary table (19) is fixedly connected with a fixing seat (20) through a screw, one side of the fixing seat (20) is provided with a second motor (24), an output end of the second motor (24) is connected with a rotating shaft which is coaxially arranged through the coupling, a spur gear (21) is fixedly sleeved on the outer peripheral surface of the rotating shaft, a rotating gear (22) is rotationally connected with the inside of the fixing seat, two ends of the rotating shaft are fixedly sleeved with a mounting seat jointly, the solar photo-heater (11) is mounted on the top of the mounting seat, and a photosensitive unit (25) is mounted on the top of the mounting seat.
3. The photo-thermal power generation system according to claim 1, wherein the circulating working medium of the photo-thermal circulating system is a proportioning working medium with high heat conduction property.
4. The photo-thermal power generation system according to claim 1, wherein the solar photo-heater (11) is used for supplementing circulating working medium for the system by a working medium supplementing pump (8), the working medium enters the system through a total inlet (201) of the photo-thermal system, the working medium in the system is circulated by a working medium circulating pump (10), heat is finally led out through a total outlet (200) of the photo-thermal system, and finally high-temperature working medium enters an outer container (12) of the steam generator.
5. A photo-thermal power generation system as defined in claim 1 wherein the solar photo-thermal system has meters for collecting on-site temperature, pressure, liquid level and data is remotely transmitted.
6. A photo-thermal power generation system according to claim 2, wherein the fixing posts (23) in each group of solar photo-thermal systems are fixedly connected with a photo-thermal system exhaust port (202) and a photo-thermal system drain port (203) by screws, respectively.
7. A photo-thermal power generation system according to claim 1, wherein the top of the steam generator inner container (13) is fixedly connected with an inner container steam outlet valve (100) through a screw, and the top of the balance tank (14) is fixedly connected with a balance steam valve (101) through a screw.
8. The photo-thermal power generation system according to claim 1, wherein the liner steam outlet valve (100), the balance steam valve (101) and the steam output valve (102) of the steam balance system are electric, and the opening degree is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321666635.6U CN220267872U (en) | 2023-06-28 | 2023-06-28 | Photo-thermal power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321666635.6U CN220267872U (en) | 2023-06-28 | 2023-06-28 | Photo-thermal power generation system |
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| Publication Number | Publication Date |
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| CN220267872U true CN220267872U (en) | 2023-12-29 |
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| CN202321666635.6U Active CN220267872U (en) | 2023-06-28 | 2023-06-28 | Photo-thermal power generation system |
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| CN (1) | CN220267872U (en) |
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- 2023-06-28 CN CN202321666635.6U patent/CN220267872U/en active Active
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