CN218884071U - Waste heat utilization system for heating and cooling of plant area of tower type solar thermal power generation power station - Google Patents
Waste heat utilization system for heating and cooling of plant area of tower type solar thermal power generation power station Download PDFInfo
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Abstract
A waste heat utilization system for tower solar thermal power plant factory heating cooling relates to power station waste heat recovery technical field. The problem that the ventilation system of a fused salt storage tank in a tower-type solar photo-thermal power station causes the reduction of the energy utilization efficiency is solved. On one hand, the air waste heat is utilized to heat the plant area, and on the other hand, the air waste heat and the reverse Carnot circulation are utilized to cool the plant area. Including hot-blast main, low temperature fused salt storage tank basis, low temperature fused salt storage tank air pipe, high temperature fused salt storage tank basis, high temperature fused salt storage tank air pipe, cold-blast main, return water pipeline, cooling tower, low temperature cooling water piping, heat pump, high temperature freezing water piping, low temperature freezing water piping, factory building, high temperature cooling water piping, heat exchanger and water supply pipe. The utility model is suitable for a power station waste heat recovery technical field.
Description
Technical Field
The utility model relates to a power station waste heat recovery technical field, concretely relates to a waste heat utilization system that is used for heating and cooling of tower solar thermal power plant factory.
Background
Solar thermal power generation is a major component of modern energy systems. In some cases, an energy storage system is configured for realizing all-day power generation, and the main equipment is a molten salt storage tank. For a tower type solar photo-thermal power station, the temperature of a molten salt storage tank is up to 565 ℃, and a ventilation system is required to be arranged in the base of the molten salt storage tank to reduce the temperature of concrete. The air is arranged in the pipeline of the ventilation system, the pipeline is arranged in the foundation, and the air exchanges heat with the foundation while flowing to reduce the temperature of the foundation.
The ventilation system can cause the problem of larger heat loss at the bottom of the fused salt storage tank while reducing the basic temperature, and further increases the load of the electric heating device in the fused salt storage tank. Since the air in the ventilation system is generally directly discharged to the atmosphere after being heated, the inflow of a part of the load of the electric heating device to the atmosphere corresponds to a reduction in energy utilization efficiency.
In summary, the tower-type solar photo-thermal power station has the problem that the ventilation system of the molten salt storage tank causes the reduction of the energy utilization efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve tower solar thermal power station and have the ventilation system of fused salt storage tank and lead to the problem that energy efficiency reduces, provided a waste heat utilization system that is used for heating and cooling in tower solar thermal power station factory.
The utility model discloses a waste heat utilization system for heating and cooling of tower solar thermal power plant factory, its concrete structure includes hot-air pipes, low temperature fused salt storage tank basis, low temperature fused salt storage tank air pipe, high temperature fused salt storage tank basis, high temperature fused salt storage tank air pipe, cold-air pipeline, return water pipeline, cooling tower, low temperature cooling water pipeline, heat pump, high temperature freezing water pipeline, low temperature freezing water pipeline, factory building, high temperature cooling water pipeline, heat exchanger and water supply pipeline;
the low-temperature molten salt storage tank is mounted above a low-temperature molten salt storage tank foundation, a high-temperature molten salt storage tank foundation is arranged near the low-temperature molten salt storage tank, a high-temperature molten salt storage tank is arranged on the upper surface of the high-temperature molten salt storage tank foundation, one end of a high-temperature molten salt storage tank ventilation pipeline penetrates through the high-temperature molten salt storage tank foundation and is connected with one end of a hot air pipeline, the other end of the hot air pipeline is connected with a heat pump, one end of a cold air pipeline is connected with the heat pump, the other end of the cold air pipeline is connected with the other end of the high-temperature molten salt storage tank ventilation pipeline, one end of a low-temperature molten salt storage tank ventilation pipeline penetrates through the low-temperature molten salt storage tank foundation and is connected with one end of the hot air pipeline, one end of a high-temperature refrigeration pipeline is connected with a plant building, one end of the low-temperature refrigeration pipeline is connected with the heat pump, the other end of the low-temperature refrigeration pipeline is connected with the plant building, one end of a water supply pipeline is connected with the plant building, the other end of the water supply pipeline is connected with the heat pump, the other end of the hot air pipeline is connected with a heat exchanger, one end of the low-temperature refrigeration pipeline is connected with a low-temperature cooling water pipeline, and is connected with an air outlet of the low-temperature cooling pipeline;
further, the low-temperature molten salt storage tank is a vertical cylindrical steel welding storage tank;
further, the high-temperature molten salt storage tank is a vertical cylindrical steel welding storage tank;
further, the low-temperature molten salt storage tank foundation and the high-temperature molten salt storage tank foundation are both ceramic grain type molten salt storage tank foundations;
further, the cooling tower is a closed cooling tower;
furthermore, the heat pump is an absorption heat pump or a lithium bromide absorption heat pump;
further, when in use, the low-temperature molten salt storage tank and the high-temperature molten salt storage tank respectively store low-temperature molten salt and high-temperature molten salt; the low-temperature molten salt storage tank foundation is used for supporting the low-temperature molten salt storage tank, and the high-temperature molten salt storage tank foundation is used for supporting the high-temperature molten salt storage tank; the low-temperature molten salt storage tank ventilation pipeline is used for reducing the temperature of the bottom of the low-temperature molten salt storage tank, and the high-temperature molten salt storage tank ventilation pipeline is used for reducing the temperature of the bottom of the high-temperature molten salt storage tank; internal energy of a working medium in the low-temperature molten salt storage tank is transferred to a low-temperature molten salt storage tank foundation, and the low-temperature molten salt storage tank foundation transfers the internal energy to a ventilating duct of the low-temperature molten salt storage tank, so that air in the ventilating duct of the low-temperature molten salt storage tank is heated; then transferring the internal energy of the working medium inside the high-temperature molten salt storage tank to a high-temperature molten salt storage tank foundation, and transferring the internal energy to a ventilation pipeline of the high-temperature molten salt storage tank by the high-temperature molten salt storage tank foundation to heat the air inside the ventilation pipeline of the high-temperature molten salt storage tank; the hot air pipeline and the cold air pipeline are used for communicating the low-temperature molten salt storage tank ventilation pipeline and the high-temperature molten salt storage tank ventilation pipeline with the heat pump or the heat exchanger under different external conditions so as to form air working medium circulation; the heat pump is used for absorbing air waste heat, the temperature of the chilled water is reduced through the circulation of working media in the heat pump, and when the low-temperature molten salt storage tank ventilating duct and the high-temperature molten salt storage tank ventilating duct are communicated with the heat pump, the low-temperature chilled water can be prepared through the air waste heat; the low-temperature cooling water pipeline and the high-temperature cooling water pipeline are used for communicating the heat pump and the cooling tower to form cooling water working medium circulation, and the cooling tower adopts an air cooling mode to reduce the temperature of the cooling water; the high-temperature chilled water pipeline and the low-temperature chilled water pipeline are used for communicating the heat pump with a plant building to form chilled water working medium circulation, so that cold supply of the plant building is realized; the heat exchanger can exchange heat between air and heat supply network water, and high-temperature heat supply network water can be prepared by air waste heat when the hot air pipeline and the cold air pipeline are communicated with the heat exchanger; the water return pipeline and the water supply pipeline are used for communicating the heat exchanger with a plant building to further form hot-water network water working medium circulation, and heating of the plant building is achieved.
And (3) heating process: the outlet of the hot air pipeline is only connected with the heat exchanger, and the inlet of the cold air pipeline is only connected with the heat exchanger. High-temperature air flowing through a hot air pipeline in the heat exchanger exchanges heat with low-temperature heat supply network water flowing through a water return pipeline, the low-temperature air enters a low-temperature molten salt storage tank foundation and a high-temperature molten salt storage tank foundation through a low-temperature molten salt storage tank ventilation pipeline, a high-temperature molten salt storage tank ventilation pipeline and a cold air pipeline after heat exchange, and the high-temperature heat supply network water enters a plant building through a water supply pipeline to complete heating.
And (3) a cooling process: the outlet of the hot air pipeline is only connected with the heat pump, and the inlet of the cold air pipeline is only connected with the heat pump. High-temperature air flowing through a hot air pipeline in the heat pump passes through working medium circulation heat exchange, so that high-temperature freezing water flowing through a high-temperature freezing water pipeline is cooled, low-temperature air enters a low-temperature molten salt storage tank foundation and a high-temperature molten salt storage tank foundation through a low-temperature molten salt storage tank ventilation pipeline, a high-temperature molten salt storage tank ventilation pipeline and a cold air pipeline after heat exchange, and low-temperature freezing water enters a plant building through a low-temperature freezing water pipeline to complete cooling.
Compared with the prior art, the utility model following beneficial effect has:
the outlet of the hot air pipeline is only connected with the heat exchanger, the inlet of the cold air pipeline is only connected with the heat exchanger, high-temperature air flowing through the hot air pipeline in the heat exchanger exchanges heat with low-temperature heat supply network water flowing through the water return pipeline, the low-temperature air enters the low-temperature molten salt storage tank foundation and the high-temperature molten salt storage tank foundation through the low-temperature molten salt storage tank ventilation pipeline, the high-temperature molten salt storage tank ventilation pipeline and the cold air pipeline after heat exchange, and the high-temperature heat supply network water enters the factory buildings through the water supply pipeline to complete heating;
when the outlet of the hot air pipeline is only connected with the heat pump and the inlet of the cold air pipeline is only connected with the heat pump, high-temperature air flowing through the hot air pipeline in the heat pump exchanges heat with high-temperature chilled water flowing through the high-temperature chilled water pipeline to obtain low-temperature chilled water, the low-temperature air enters the low-temperature molten salt storage tank foundation and the high-temperature molten salt storage tank foundation through the low-temperature molten salt storage tank ventilation pipeline, the high-temperature molten salt storage tank ventilation pipeline and the cold air pipeline after heat exchange, and the low-temperature chilled water enters a building in a plant area through the low-temperature chilled water pipeline to finish cooling; the system realizes the reutilization of the waste heat of the power station, reduces the energy waste and further improves the energy utilization efficiency of the power station.
Drawings
FIG. 1 is a system connection schematic diagram of a waste heat utilization system for heating and cooling of a tower type solar thermal power generation power station plant area.
Detailed Description
The first specific implementation way is as follows: the embodiment is described with reference to fig. 1, and the waste heat utilization system for heating and cooling of a plant area of a tower-type solar thermal power generation plant comprises a hot air pipeline 1, a low-temperature molten salt storage tank 2, a low-temperature molten salt storage tank foundation 3, a low-temperature molten salt storage tank ventilation pipeline 4, a high-temperature molten salt storage tank 5, a high-temperature molten salt storage tank foundation 6, a high-temperature molten salt storage tank ventilation pipeline 7, a cold air pipeline 8, a water return pipeline 9, a cooling tower 10, a low-temperature cooling water pipeline 11, a heat pump 12, a high-temperature chilled water pipeline 13, a low-temperature chilled water pipeline 14, a plant area building 15, a high-temperature cooling water pipeline 16, a heat exchanger 17 and a water supply pipeline 18;
the low-temperature molten salt storage tank 2 is arranged above the low-temperature molten salt storage tank foundation 3, a high-temperature molten salt storage tank foundation 6 is arranged near the low-temperature molten salt storage tank 2, a high-temperature molten salt storage tank 5 is arranged on the upper surface of the high-temperature molten salt storage tank foundation 6, one end of a high-temperature molten salt storage tank ventilation pipeline 7 passes through the high-temperature molten salt storage tank foundation 6 and is connected with one end of a hot air pipeline 1, the other end of the hot air pipeline 1 is connected with a heat pump 12, one end of a cold air pipeline 8 is connected with the heat pump 12, the other end of the cold air pipeline 8 is connected with the other end of the high-temperature molten salt storage tank ventilation pipeline 7, one end of a low-temperature molten salt storage tank ventilation pipeline 4 passes through the low-temperature molten salt storage tank foundation 3 and is connected with one end of the hot air pipeline 1 and is connected with one end of a high-temperature chilled water pipeline 13 and the heat pump 12, the other end of the high-temperature chilled water pipeline 13 is connected with the inside of a plant building 15, one end of the low-temperature chilled water pipeline 14 is connected with a heat pump 12, the other end of the low-temperature chilled water pipeline 14 is connected with the plant building 15, one end of the water supply pipeline 18 is connected with the plant building 15, the other end of the water supply pipeline 18 is connected with a heat exchanger 17, one end of the water return pipeline 9 is connected with the plant building 15, the other end of the water return pipeline 9 is connected with the heat exchanger 17, one end of the high-temperature cooling water pipeline 16 is connected with the heat pump 12, the other end of the high-temperature cooling water pipeline 16 is connected with a cooling tower 10, one end of the low-temperature cooling water pipeline 11 is connected with the cooling tower 10, the other end of the low-temperature cooling water pipeline 11 is connected with the heat pump 12, an air inlet of the heat exchanger 17 is connected with the hot air pipeline 1, and an air outlet of the heat exchanger 17 is connected with the cold air pipeline 8;
in the specific embodiment, when in use, the low-temperature molten salt storage tank 2 and the high-temperature molten salt storage tank 5 respectively store low-temperature molten salt and high-temperature molten salt; the low-temperature molten salt storage tank foundation 3 is used for supporting the low-temperature molten salt storage tank 2, and the high-temperature molten salt storage tank foundation 6 is used for supporting the high-temperature molten salt storage tank 5; the low-temperature molten salt storage tank ventilation pipeline 4 is used for reducing the temperature of the bottom of the low-temperature molten salt storage tank 2, and the high-temperature molten salt storage tank ventilation pipeline 7 is used for reducing the temperature of the bottom of the high-temperature molten salt storage tank 5; internal energy of working media inside the low-temperature molten salt storage tank 2 is transferred to the low-temperature molten salt storage tank foundation 3, and the low-temperature molten salt storage tank foundation 3 transfers the internal energy to the low-temperature molten salt storage tank ventilation pipeline 4, so that air inside the low-temperature molten salt storage tank ventilation pipeline 4 is heated; then, the internal energy of the working medium in the high-temperature molten salt storage tank 5 is transferred to the high-temperature molten salt storage tank foundation 6, the high-temperature molten salt storage tank foundation 6 transfers the internal energy to the ventilation pipeline 7 of the high-temperature molten salt storage tank, and the air in the ventilation pipeline 7 of the high-temperature molten salt storage tank is heated; the hot air pipeline 1 and the cold air pipeline 8 are used for communicating the low-temperature molten salt storage tank ventilation pipeline 4 and the high-temperature molten salt storage tank ventilation pipeline 7 with the heat pump 12 or the heat exchanger 17 under different external conditions so as to form air working medium circulation; the heat pump 12 is used for absorbing air waste heat, the temperature of the chilled water is reduced through the circulation of working media in the heat pump 12, and when the low-temperature molten salt storage tank ventilation pipeline 4 and the high-temperature molten salt storage tank ventilation pipeline 7 are communicated with the heat pump 12, low-temperature chilled water can be prepared through the air waste heat; the low-temperature cooling water pipeline 11 and the high-temperature cooling water pipeline 16 are used for communicating the heat pump 12 and the cooling tower 10 to form cooling water working medium circulation, and the cooling tower 10 adopts an air cooling mode to reduce the temperature of cooling water; the high-temperature chilled water pipeline 13 and the low-temperature chilled water pipeline 14 are used for communicating the heat pump 12 with the plant building 15 to form chilled water working medium circulation, so that the plant building 15 is cooled; the heat exchanger 17 can exchange heat between air and heat supply network water, and high-temperature heat supply network water can be prepared by air waste heat when the hot air pipeline 1 and the cold air pipeline 8 are communicated with the heat exchanger 17; the water return pipeline 9 and the water supply pipeline 18 are used for communicating the heat exchanger 17 with the plant area building 15 to form heat supply network water working medium circulation, and therefore heating of the plant area building 15 is achieved.
And (3) heating process: the outlet of the hot air pipeline 1 is only connected with the heat exchanger 17, and the inlet of the cold air pipeline 8 is only connected with the heat exchanger 17. High-temperature air flowing through a hot air pipeline 1 in the heat exchanger 17 exchanges heat with low-temperature heat supply network water flowing through a water return pipeline 9, the low-temperature air enters a low-temperature molten salt storage tank foundation 3 and a high-temperature molten salt storage tank foundation 6 through a low-temperature molten salt storage tank ventilation pipeline 4, a high-temperature molten salt storage tank ventilation pipeline 7 and a cold air pipeline 8 after heat exchange, and the high-temperature heat supply network water enters a factory building 15 through a water supply pipeline 18 to complete heating.
And (3) a cooling process: the outlet of the hot air pipeline 1 is only connected with the heat pump 12, and the inlet of the cold air pipeline 8 is only connected with the heat pump 12. High-temperature air flowing through the hot air pipeline 1 in the heat pump 12 passes through working medium circulation heat exchange, so that high-temperature chilled water flowing through the high-temperature chilled water pipeline 13 is cooled, low-temperature air after heat exchange enters the low-temperature molten salt storage tank foundation 3 and the high-temperature molten salt storage tank foundation 6 through the low-temperature molten salt storage tank ventilation pipeline 4, the high-temperature molten salt storage tank ventilation pipeline 7 and the cold air pipeline 8, and low-temperature chilled water enters the plant building 15 through the low-temperature chilled water pipeline 14 to complete cooling.
The second embodiment is as follows: the present embodiment will be described with reference to fig. 1, which is a further limitation of the waste heat utilization system according to the first embodiment, and in the waste heat utilization system for heating and cooling of a plant area of a tower-type solar thermal power generation plant according to the present embodiment, the low-temperature molten salt storage tank 2 is a vertical cylindrical steel welded storage tank.
The third concrete implementation mode: the present embodiment will be described with reference to fig. 1, which is a further limitation of the waste heat utilization system according to the first embodiment, and in the waste heat utilization system for heating and cooling of a plant area of a tower-type solar thermal power generation plant according to the present embodiment, the high-temperature molten salt storage tank 5 is a vertical cylindrical steel welded storage tank.
The fourth concrete implementation mode: the present embodiment will be described with reference to fig. 1, which is a further limitation of the waste heat utilization system according to the first embodiment, in which the low-temperature molten salt storage tank foundation 3 and the high-temperature molten salt storage tank foundation 6 are both ceramic grain type molten salt storage tank foundations;
in the embodiment, the low-temperature molten salt storage tank foundation 3 and the high-temperature molten salt storage tank foundation 6 are both ceramsite type molten salt storage tank foundations, and the ceramsite type molten salt storage tank foundations have a good heat transfer effect.
The fifth concrete implementation mode is as follows: the present embodiment will be described with reference to fig. 1, which is a further limitation of the waste heat utilization system according to the first embodiment, and the cooling tower 10 of the waste heat utilization system for heating and cooling a plant area of a tower-type solar thermal power generation plant according to the present embodiment is a closed cooling tower.
The sixth specific implementation mode: the present embodiment will be described with reference to fig. 1, which is a further limitation of the waste heat utilization system according to the first embodiment, and in the waste heat utilization system for heating and cooling of a plant area of a tower-type solar thermal power generation plant according to the present embodiment, the heat pump 12 is an absorption heat pump or a lithium bromide absorption heat pump.
Principle of operation
When in use, the low-temperature molten salt storage tank 2 and the high-temperature molten salt storage tank 5 respectively store low-temperature molten salt and high-temperature molten salt; the low-temperature molten salt storage tank foundation 3 is used for supporting the low-temperature molten salt storage tank 2, and the high-temperature molten salt storage tank foundation 6 is used for supporting the high-temperature molten salt storage tank 5; the low-temperature molten salt storage tank ventilation pipeline 4 is used for reducing the temperature of the bottom of the low-temperature molten salt storage tank 2, and the high-temperature molten salt storage tank ventilation pipeline 7 is used for reducing the temperature of the bottom of the high-temperature molten salt storage tank 5; internal energy of a working medium in the low-temperature molten salt storage tank 2 is transferred to the low-temperature molten salt storage tank foundation 3, and then the internal energy is transferred to the low-temperature molten salt storage tank ventilation pipeline 4 by the low-temperature molten salt storage tank foundation 3, so that air in the low-temperature molten salt storage tank ventilation pipeline 4 is heated; then, the internal energy of the working medium in the high-temperature molten salt storage tank 5 is transferred to the high-temperature molten salt storage tank foundation 6, the high-temperature molten salt storage tank foundation 6 transfers the internal energy to the ventilation pipeline 7 of the high-temperature molten salt storage tank, and the air in the ventilation pipeline 7 of the high-temperature molten salt storage tank is heated; the hot air pipeline 1 and the cold air pipeline 8 are used for communicating the low-temperature molten salt storage tank ventilation pipeline 4 and the high-temperature molten salt storage tank ventilation pipeline 7 with the heat pump 12 or the heat exchanger 17 under different external conditions so as to form air working medium circulation; the heat pump 12 is used for absorbing air waste heat, the temperature of the chilled water is reduced through the circulation of working media in the heat pump 12, and when the low-temperature molten salt storage tank ventilation pipeline 4 and the high-temperature molten salt storage tank ventilation pipeline 7 are communicated with the heat pump 12, low-temperature chilled water can be prepared through the air waste heat; the low-temperature cooling water pipeline 11 and the high-temperature cooling water pipeline 16 are used for communicating the heat pump 12 and the cooling tower 10 to form cooling water working medium circulation, and the cooling tower 10 adopts an air cooling mode to reduce the temperature of cooling water; the high-temperature chilled water pipeline 13 and the low-temperature chilled water pipeline 14 are used for communicating the heat pump 12 with the plant building 15 to form chilled water working medium circulation, so that the plant building 15 is cooled; the heat exchanger 17 can exchange heat between air and heat supply network water, and high-temperature heat supply network water can be prepared by air waste heat when the hot air pipeline 1 and the cold air pipeline 8 are communicated with the heat exchanger 17; the water return pipeline 9 and the water supply pipeline 18 are used for communicating the heat exchanger 17 with the plant building 15 to form heat supply network water working medium circulation, and heating of the plant building 15 is achieved.
And (3) heating process: the outlet of the hot air pipeline 1 is only connected with the heat exchanger 17, and the inlet of the cold air pipeline 8 is only connected with the heat exchanger 17. The high-temperature air flowing through the hot air pipeline 1 in the heat exchanger 17 exchanges heat with the low-temperature heat supply network water flowing through the water return pipeline 9, the low-temperature air enters the low-temperature molten salt storage tank foundation 3 and the high-temperature molten salt storage tank foundation 6 through the low-temperature molten salt storage tank ventilation pipeline 4, the high-temperature molten salt storage tank ventilation pipeline 7 and the cold air pipeline 8 after heat exchange, and the high-temperature heat supply network water enters the factory building 15 through the water supply pipeline 18 to complete heating.
And (3) a cooling process: the outlet of the hot air pipeline 1 is only connected with the heat pump 12, and the inlet of the cold air pipeline 8 is only connected with the heat pump 12. High-temperature air flowing through the hot air pipeline 1 in the heat pump 12 passes through working medium circulation heat exchange, so that high-temperature chilled water flowing through the high-temperature chilled water pipeline 13 is cooled, low-temperature air after heat exchange enters the low-temperature molten salt storage tank foundation 3 and the high-temperature molten salt storage tank foundation 6 through the low-temperature molten salt storage tank ventilation pipeline 4, the high-temperature molten salt storage tank ventilation pipeline 7 and the cold air pipeline 8, and low-temperature chilled water enters the plant building 15 through the low-temperature chilled water pipeline 14 to complete cooling.
Claims (6)
1. A waste heat utilization system for heating and cooling of tower solar thermal power plant factory, its characterized in that: the system comprises a hot air pipeline (1), a low-temperature molten salt storage tank (2), a low-temperature molten salt storage tank foundation (3), a low-temperature molten salt storage tank ventilation pipeline (4), a high-temperature molten salt storage tank (5), a high-temperature molten salt storage tank foundation (6), a high-temperature molten salt storage tank ventilation pipeline (7), a cold air pipeline (8), a water return pipeline (9), a cooling tower (10), a low-temperature cooling water pipeline (11), a heat pump (12), a high-temperature chilled water pipeline (13), a low-temperature chilled water pipeline (14), a factory building (15), a high-temperature cooling water pipeline (16), a heat exchanger (17) and a water supply pipeline (18);
the low-temperature fused salt storage tank (2) is arranged above the low-temperature fused salt storage tank foundation (3), a high-temperature fused salt storage tank foundation (6) is arranged at the position close to the low-temperature fused salt storage tank (2), a high-temperature fused salt storage tank (5) is arranged on the upper surface of the high-temperature fused salt storage tank foundation (6), one end of a high-temperature fused salt storage tank ventilation pipeline (7) penetrates through the high-temperature fused salt storage tank foundation (6) and is connected with one end of a hot air pipeline (1), the other end of the hot air pipeline (1) is connected with a heat pump (12), the other end of the cold air pipeline (8) is connected with the other end of the high-temperature fused salt storage tank ventilation pipeline (7), one end of a low-temperature fused salt storage tank (4) penetrates through the low-temperature fused salt storage tank foundation (3) and is connected with one end of the hot air pipeline (1), one end of a high-temperature freezing water pipeline (13) is connected with the heat pump (12), the other end of the high-temperature freezing water pipeline (13) is connected with the interior of a plant area building (15), one end of a low-temperature freezing water pipeline (14) is connected with a water supply pipeline (18) of the plant area of the building (15), one end of a plant area (15) is connected with a water supply pipe (17) of the plant area of the building, and a plant area (15), and a plant area heat exchanger (17) are connected with the plant area (15), the other end and heat exchanger (17) of return water pipeline (9) are connected, the one end and the heat pump (12) of high temperature cooling water pipeline (16) are connected, the other end and cooling tower (10) of high temperature cooling water pipeline (16) are connected, the one end and the cooling tower (10) of low temperature cooling water pipeline (11) are connected, the other end and the heat pump (12) of low temperature cooling water pipeline (11) are connected, the air inlet and the hot-blast main (1) of heat exchanger (17) are connected, the air outlet and the cold wind pipeline (8) of heat exchanger (17) are connected.
2. The waste heat utilization system for heating and cooling of the plant area of the tower type solar thermal power generation plant according to claim 1, characterized in that: the low-temperature molten salt storage tank (2) is a vertical cylindrical steel welding storage tank.
3. The waste heat utilization system for heating and cooling of the plant area of the tower type solar thermal power generation plant according to claim 1, characterized in that: the high-temperature molten salt storage tank (5) is a vertical cylindrical steel welding storage tank.
4. The waste heat utilization system for heating and cooling of the plant area of the tower type solar thermal power generation plant according to claim 1, characterized in that: the low-temperature molten salt storage tank foundation (3) and the high-temperature molten salt storage tank foundation (6) are both ceramsite type molten salt storage tank foundations.
5. The waste heat utilization system for heating and cooling of the plant area of the tower type solar thermal power generation plant according to claim 1, characterized in that: the cooling tower (10) is a closed cooling tower.
6. The waste heat utilization system for heating and cooling of the plant area of the tower type solar thermal power generation plant according to claim 1, characterized in that: the heat pump (12) is an absorption heat pump or a lithium bromide absorption heat pump.
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| CN202223348614.8U CN218884071U (en) | 2022-12-13 | 2022-12-13 | Waste heat utilization system for heating and cooling of plant area of tower type solar thermal power generation power station |
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| CN202223348614.8U CN218884071U (en) | 2022-12-13 | 2022-12-13 | Waste heat utilization system for heating and cooling of plant area of tower type solar thermal power generation power station |
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