CN217503613U - Solid energy storage power generation waste heat recycling system utilizing clean energy - Google Patents
Solid energy storage power generation waste heat recycling system utilizing clean energy Download PDFInfo
- Publication number
- CN217503613U CN217503613U CN202221429003.3U CN202221429003U CN217503613U CN 217503613 U CN217503613 U CN 217503613U CN 202221429003 U CN202221429003 U CN 202221429003U CN 217503613 U CN217503613 U CN 217503613U
- Authority
- CN
- China
- Prior art keywords
- pipe
- low
- heat exchanger
- steam
- waste heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model discloses a solid energy storage power generation waste heat recycling system utilizing clean energy, wherein solid heat storage equipment is connected with a steam generator; the steam generator is connected with a steam turbine generator unit, and the power output end of the steam turbine generator unit is connected with a booster transformer; a first low-pressure steam pipe connected with a low-pressure steam output end of the steam turbine generator unit is connected with a waste heat recovery heat exchanger, the waste heat recovery heat exchanger is connected with a steam generator, and the waste heat recovery heat exchanger is also connected with a heat exchanger water inlet pipe and a heat exchanger water outlet pipe; the second low-pressure steam pipe is connected with the absorption refrigerator, the absorption refrigerator is connected with the steam generator, and the absorption refrigerator is also connected with an absorption refrigerator water inlet pipe and an absorption refrigerator water outlet pipe. This system can get up as clean energy's wind-powered electricity generation and photoelectric conversion heat energy storage, and high-pressure steam drive steam turbine electricity generation directly produces the electric energy, and the net is gone up in the electricity generation of peak period to carry out waste heat recovery and utilize when the electricity generation.
Description
Technical Field
The utility model relates to a convert clean energy into heat energy and store, utilize the heat energy electricity generation to the integrated system to electricity generation waste heat recovery utilizes.
Background
Clean energy represented by wind power and photoelectricity has natural intermittency and instability and belongs to the property of eating by the sky. For example, wind power supply reaches a peak at night, which is a valley period of electricity consumption, because wind power is usually the largest at night. For example, when the wind power is large in winter, the power grid is often in a saturated state, and cannot fully accept wind power, so that wind power abandon in winter is finally caused.
Because the prior art can not adjust the storage problem of clean energy, lead to the electric energy resource waste on the one hand, on the other hand has restricted the development of clean energy.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a solid energy storage power generation waste heat recycling system using clean energy, firstly, converting wind power and photoelectricity as clean energy into heat energy for storage, and outputting the heat energy in a high-pressure steam mode for power generation and internet surfing at the peak period of power consumption; and secondly, recycling the power generation waste heat.
The technical scheme of the utility model as follows:
utilize clean energy's solid energy storage electricity generation waste heat recovery system, including solid heat storage equipment, steam generator and turbo generator set, its characterized in that: the high-temperature hot air output end of the solid heat storage equipment is connected with the heat source inlet of the steam generator, and the heat source outlet of the steam generator is connected with the low-temperature hot air input end of the solid heat storage equipment; the steam generator is connected with a high-temperature and high-pressure steam input end of the steam turbine generator unit and used for providing power generation energy for the steam turbine generator unit, and a power output end of the steam turbine generator unit is connected with a booster transformer and used for transmitting power to a public power grid; the low-pressure steam output end of the steam turbine generator unit is connected with a waste heat recovery heat exchanger through a first low-pressure steam pipe; or the low-pressure steam output end of the steam turbine generator unit is connected with an absorption refrigerator through a second low-pressure steam pipe; or the low-pressure steam output end of the steam turbine generator unit is connected with a waste heat recovery heat exchanger and an absorption refrigerator through a first low-pressure steam pipe and a second low-pressure steam pipe respectively.
Preferably, when the low-pressure steam output end of the steam turbine generator unit is connected with a waste heat recovery heat exchanger through a first low-pressure steam pipe, the first low-pressure steam pipe is connected with a tube side or shell side inlet of the waste heat recovery heat exchanger, a tube side or shell side outlet of the waste heat recovery heat exchanger is connected with a steam generator, a shell side or tube side inlet of the waste heat recovery heat exchanger is connected with a heat exchanger water inlet pipe, and a shell side or tube side outlet of the waste heat recovery heat exchanger is connected with a heat exchanger water outlet pipe; when the low-pressure steam output end of the steam turbine generator unit is connected with the absorption refrigerator through a second low-pressure steam pipe, the second low-pressure steam pipe is connected with a heat source inlet of the absorption refrigerator, a heat source outlet of the absorption refrigerator is connected with the steam generator, and the absorption refrigerator is connected with an absorption refrigerator water inlet pipe and an absorption refrigerator water outlet pipe.
Preferably, the absorption refrigerator is a lithium bromide absorption refrigerator.
Preferably, the waste heat recovery heat exchanger is a plate heat exchanger or a tube heat exchanger.
The utility model has the advantages of:
the utility model discloses to the problem that clean renewable energy (wind-powered electricity generation photoelectricity) can not fine utilization, provide supporting energy storage feasible scheme, become unstable discontinuous clean renewable energy and stabilize continuous energy and carry outward. The utility model discloses a system can get up as clean energy's wind-powered electricity generation and photoelectric conversion for heat energy storage, and the electricity generation of high-pressure steam drive steam turbine directly produces the electric energy of 10kV level, and the net is gone on in the electricity generation of peak period to carry out waste heat recovery and utilize in the electricity generation.
Specifically, the utility model provides a following technical problem:
firstly, the problem of utilization of clean energy (wind power/photoelectricity) is solved, and meanwhile, the stability and the safety of a power grid are ensured.
Secondly, the problem that clean energy (wind power/photoelectricity) is unstable is solved, and finally the clean energy is changed into stable energy and is output outwards.
And thirdly, the problems of winter clean energy heating and summer clean energy cooling are solved.
Drawings
Fig. 1 is a schematic diagram of the structure and the operation principle of the embodiment of the present invention.
Fig. 2 is a schematic structural view of a solid heat storage device according to an embodiment of the present invention.
In fig. 1, 1: solid heat storage device, 2: low-temperature hot air pipe, 3: steam generator, 4: waste heat recovery heat exchanger, 5: heat exchanger distilled water outlet pipe, 6: absorption refrigerator distilled water outlet pipe, 7: heat exchanger hot water outlet pipe, 8: heat exchanger hot water inlet pipe, 9: absorption chiller outlet pipe, 10: absorption chiller inlet tube, 11: absorption refrigerator, 12: first low-pressure vapor tube, 13: second low-pressure vapor tube, 14: step-up transformer, 15: turbo generator set, 16: high-temperature high-pressure steam pipe, 17: a high-temperature hot air pipe.
In FIG. 2, 1-1: heat storage equipment exhaust pipe, 1-2: high-temperature variable-frequency fan, 1-3: 1-4 of heat storage brick: electric heater, 1-5: an air outlet channel, 1-6: return air channel, 1-7: a heat storage device return air pipe.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
As shown in fig. 1, the embodiment of the present invention includes a solid heat storage device 1, and the solid heat storage device 1 is used to store the generated energy of the wind generating set or the photovoltaic generating set and output high-temperature hot air during peak power period.
The high-temperature hot air output end of the solid heat storage device 1 is connected with the heat source inlet of the steam generator 3 through the high-temperature hot air pipe 17 and provides heating heat energy for the steam generator 3, and the heat source outlet of the steam generator 3 is connected with the low-temperature hot air input end of the solid heat storage device 1 through the low-temperature hot air pipe 2. Hot air is circulated between the solid heat storage device 1 and the steam generator 3 to ensure that the latter stably outputs high-temperature high-pressure steam.
The steam generator 3 is connected with a steam turbine generator unit 15 through a high-temperature high-pressure steam pipe 16 and provides power generation kinetic energy for the steam turbine generator unit 15. The electric energy generated by the turbo unit 15 is transmitted to the public power grid through the step-up transformer 14. The low-pressure steam output end of the steam turbine generator unit 15 is connected with a first low-pressure steam pipe 12 and a second low-pressure steam pipe 13 respectively.
Wherein the first low pressure steam pipe 12 is connected with the tube side or shell side inlet of the waste heat recovery heat exchanger 4, the tube side or shell side outlet of the waste heat recovery heat exchanger 4 is connected with the steam generator 3, the shell side or tube side inlet of the waste heat recovery heat exchanger 4 is connected with the heat exchanger water inlet pipe 8, and the shell side or tube side outlet of the waste heat recovery heat exchanger 4 is connected with the heat exchanger water outlet pipe 7. The waste heat recovery heat exchanger 4 is generally a plate heat exchanger or a tubular heat exchanger.
For example, the first low-pressure steam pipe 12 is connected to a pipe pass inlet of the waste heat recovery heat exchanger 4, a pipe pass outlet of the waste heat recovery heat exchanger 4 is connected to the steam generator 3 through a heat exchanger distilled water outlet pipe 5 and provides evaporation water for the latter, a shell pass inlet of the waste heat recovery heat exchanger 4 is connected to a heat exchanger water inlet pipe 8 for inputting low-temperature hot water to the waste heat recovery heat exchanger 4, and a shell pass outlet of the waste heat recovery heat exchanger 4 is connected to a heat exchanger water outlet pipe 7 for providing hot water to the outside of the system.
The second low-pressure steam pipe 13 is connected with a heat source inlet of the absorption refrigerator 11, a heat source outlet of the absorption refrigerator 11 is connected with the steam generator 3 through an absorption refrigerator water outlet pipe 6 and provides evaporation water for the latter, the absorption refrigerator 11 is connected with an absorption refrigerator water inlet pipe 10 for inputting high-temperature water to the absorption refrigerator 11, and the absorption refrigerator 11 is connected with an absorption refrigerator water outlet pipe 9 for providing cold water to the outside of the system. The absorption chiller 11 is typically a lithium bromide absorption chiller.
The low-pressure steam output end of the steam turbine generator unit 15 can be connected with the waste heat recovery heat exchanger 4 only through the first low-pressure steam pipe 12 to implement waste heat recovery heating or connected with the absorption refrigerator 11 only through the second low-pressure steam pipe 13 to implement waste heat recovery refrigeration according to requirements.
The embodiment of the utility model provides a pipeline has control flap usually. The steam generator 3 is typically provided with a refill port.
As shown in fig. 2, the solid heat storage device 1 includes a heat storage body composed of heat storage bricks 1 to 3, and a heat insulating layer provided on the periphery of the heat storage body, and an electric heater 1 to 4 (e.g., an electric heating wire) is built in the heat storage body, and the electric heater 1 to 4 is connected to a power supply device through a high-voltage ceramic joint for heating the heat storage bricks 1 to 3. The solid heat storage equipment 1 also comprises an air outlet channel 1-5 and an air return channel 1-6 which are respectively communicated with the space where the heat accumulator is positioned. The solid heat storage device 1 further comprises a heat storage device exhaust pipe 1-1 communicated with the air outlet channel 1-5 and a heat storage device return air pipe 1-7 communicated with the return air channel 1-6. The solid heat storage equipment 1 further comprises a high-temperature variable-frequency fan 1-2 arranged between the air outlet channel 1-5 and the air return channel 1-6. And the high-temperature variable-frequency fan 1-2 is used for realizing air circulation around the heat accumulator.
Referring to fig. 1 and 2, a heat storage device exhaust duct 1-1 serving as the high-temperature hot air output end is connected to the air inlet end of the high-temperature hot air duct 17. And a heat storage equipment air return pipe 1-7 serving as the low-temperature hot air input end is connected with the air outlet end of the low-temperature hot air pipe 2. The air heated by the heat accumulator is introduced into the steam generator 3 through the exhaust pipe 1-1 of the heat storage equipment and the high-temperature hot air pipe 17 to release heat energy, and the air after heat exchange returns to the space where the heat accumulator is located from the low-temperature hot air pipe 2 and the air return pipe 1-7 of the heat storage equipment in sequence to be circularly heated.
The flow of the system is illustrated as follows: the electric energy generated by the wind generating set or/and the photovoltaic generating set as clean energy is transmitted into a public power grid, in the valley period of the power grid, the solid heat storage device 1 takes the electricity from the public power grid and stores the electric energy (stores the electric energy by heat energy), and the solid heat storage device 1 is characterized by large storage capacity which is far larger than the electrochemical energy storage. In the peak time period of the power grid, the solid heat storage device 1 outputs high-temperature hot air to the steam generator 3, high-temperature high-pressure steam generated by the steam generator 3 drives the steam turbine generator unit 15 to generate electricity, and the generated electricity is input into the public power grid.
And (3) waste heat recovery and heating in winter: the steam generator 3 is used for supplying heat to other places needing high-temperature water. Summer waste heat recovery and refrigeration: the absorption refrigerator 11 is used for supplying cold energy to air conditioning engineering or other places requiring low-temperature water.
Claims (4)
1. Utilize clean energy's solid energy storage power generation waste heat recovery utilizes system, including solid heat storage equipment (1), steam generator (3) and turbo generator set (15), its characterized in that: the high-temperature hot air output end of the solid heat storage device (1) is connected with the heat source inlet of the steam generator (3), and the heat source outlet of the steam generator (3) is connected with the low-temperature hot air input end of the solid heat storage device (1); the steam generator (3) is connected with a high-temperature and high-pressure steam input end of the steam turbine generator unit (15) and used for providing power generation energy for the steam turbine generator unit (15), and a power output end of the steam turbine generator unit (15) is connected with a booster transformer (14) and used for transmitting power to a public power grid; a low-pressure steam output end of the steam turbine generator unit (15) is connected with a waste heat recovery heat exchanger (4) through a first low-pressure steam pipe (12); or the low-pressure steam output end of the steam turbine generator unit (15) is connected with the absorption refrigerator (11) through a second low-pressure steam pipe (13); or the low-pressure steam output end of the steam turbine generator unit (15) is connected with the waste heat recovery heat exchanger (4) and the absorption refrigerator (11) through the first low-pressure steam pipe (12) and the second low-pressure steam pipe (13) respectively.
2. The solid energy storage power generation waste heat recycling system utilizing clean energy according to claim 1, characterized in that: when a low-pressure steam output end of a steam turbine generator unit (15) is connected with a waste heat recovery heat exchanger (4) through a first low-pressure steam pipe (12), the first low-pressure steam pipe (12) is connected with a pipe side or shell side inlet of the waste heat recovery heat exchanger (4), a pipe side or shell side outlet of the waste heat recovery heat exchanger (4) is connected with a steam generator (3), a shell side or pipe side inlet of the waste heat recovery heat exchanger (4) is connected with a heat exchanger water inlet pipe (8), and a shell side or pipe side outlet of the waste heat recovery heat exchanger (4) is connected with a heat exchanger water outlet pipe (7); when the low-pressure steam output end of the steam turbine generator unit (15) is connected with the absorption refrigerator (11) through the second low-pressure steam pipe (13), the second low-pressure steam pipe (13) is connected with the heat source inlet of the absorption refrigerator (11), the heat source outlet of the absorption refrigerator (11) is connected with the steam generator (3), and the absorption refrigerator (11) is connected with the absorption refrigerator water inlet pipe (10) and the absorption refrigerator water outlet pipe (9).
3. The solid energy storage power generation waste heat recycling system using clean energy according to claim 1 or 2, characterized in that the absorption refrigerator (11) is a lithium bromide absorption refrigerator.
4. The solid energy storage and power generation waste heat recycling system utilizing clean energy according to claim 1 or 2, characterized in that the waste heat recovery heat exchanger (4) is a plate heat exchanger or a tube heat exchanger.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121389881 | 2021-06-22 | ||
| CN2021213898812 | 2021-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217503613U true CN217503613U (en) | 2022-09-27 |
Family
ID=83360227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221429003.3U Active CN217503613U (en) | 2021-06-22 | 2022-06-09 | Solid energy storage power generation waste heat recycling system utilizing clean energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217503613U (en) |
-
2022
- 2022-06-09 CN CN202221429003.3U patent/CN217503613U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205356219U (en) | Scene gas stores up complemental combined heat and power generation system | |
| CN201650630U (en) | Device generating electricity by solar energy and terrestrial heat | |
| CN101825073A (en) | Distributed solar energy cascade utilization system | |
| CN111140445A (en) | Gas-steam combined cycle cooling, heating and power multi-energy combined supply system | |
| CN102080635A (en) | Device for generating electricity by using solar energy and ground heat and using method thereof | |
| CN211777807U (en) | Compressed air energy storage system thermally coupled with wind power generation and solar light | |
| CN114413503B (en) | Renewable energy driven zero-carbon efficient distributed energy supply system and operation method | |
| CN205717966U (en) | Wind light mutual complementing solar energy heat distribution system | |
| CN208753989U (en) | A kind of distributed energy resource system based on miniature gas turbine power generation | |
| CN103161702A (en) | Solar heat multistage power generation system | |
| CN202660776U (en) | Minitype solar energy combined heat and power system based on loop-type heat pipe | |
| CN101929445A (en) | Distributed solar energy combined heating/cooling-power system | |
| CN210035683U (en) | Combined cooling, heating and power device using solar energy | |
| CN209910216U (en) | Wind-solar complementary drive absorption heat pump system | |
| CN217503613U (en) | Solid energy storage power generation waste heat recycling system utilizing clean energy | |
| CN201246193Y (en) | Thermal storage power generating apparatus utilizing solar energy and air heat energy extraction technology | |
| CN217818305U (en) | Internal combustion engine heat and power cogeneration system combining molten salt heat storage with wind, light and geothermal energy | |
| CN114278404B (en) | Energy storage-based high-wind-power-permeability regional wind power consumption and clean heating system | |
| CN206280187U (en) | Wind energy is integrated in the combined generating system of fired power generating unit | |
| CN214660746U (en) | Multi-source heat accumulating type compressed air energy storage comprehensive utilization system | |
| CN214007248U (en) | Thermoelectric decoupling system of thermal power generating unit | |
| CN204987553U (en) | Heat pump integrated system without commercial power | |
| CN204615717U (en) | Regenerative resource concentrating type power supply electricity generation system | |
| CN212390651U (en) | Phase-change energy storage water tank coupling direct expansion type solar PV/T heat pump system | |
| CN209145782U (en) | A kind of geothermal energy and solar energy coupling power-generating apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |