CN216741649U - Heat storage type peak regulation power generation device - Google Patents
Heat storage type peak regulation power generation device Download PDFInfo
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- CN216741649U CN216741649U CN202121930986.4U CN202121930986U CN216741649U CN 216741649 U CN216741649 U CN 216741649U CN 202121930986 U CN202121930986 U CN 202121930986U CN 216741649 U CN216741649 U CN 216741649U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
A heat storage type peak regulation power generation device comprises a heat insulation shell, wherein a fluid channel is arranged in the heat insulation shell, a heat accumulator is arranged in the fluid channel, two ends of the heat accumulator are connected with a power supply through an electric control device, the heat accumulator is used for converting electric energy input by the power supply into heat energy and storing the heat energy, an outflow body port of the fluid channel is communicated with an inlet of a turbine, a power output shaft of the turbine is in transmission connection with a power input shaft of a generator, an outlet of the turbine is communicated with an inflow body port of a cooler or a waste heat boiler capable of cooling fluid, an outflow body port of the cooler or the waste heat boiler is communicated with an inlet of a gas compressor, and an outlet of the gas compressor is communicated with an inflow body port of the fluid channel. The heat storage type peak shaving generating set can efficiently convert electric energy generated by a power generation peak into heat energy to be stored, then quickly and efficiently convert the stored heat energy into electric energy at the power utilization peak, and avoid the waste of a large amount of hydroelectric power, solar energy and wind energy.
Description
Technical Field
The utility model relates to a heat storage type peak regulation power generation device.
Background
Hydroelectric power, solar energy and wind energy belong to renewable energy sources, and the development and utilization of the hydroelectric power, the solar energy and the wind energy can not generate a large amount of carbon dioxide. However, the power generation by utilizing hydroelectric power, solar energy and wind energy has the problem that the power generation peak and the power utilization peak do not correspond in time, which causes a great deal of waste, and the problem that the power utilization requirement cannot be met only by relying on hydroelectric power, solar energy and wind energy power generation is caused, so that the utilization efficiency of the existing various solar power generation devices and wind energy power generation devices is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a heat storage type peak shaving generating set which can efficiently convert electric energy generated by various hydroelectric power generation devices, solar power generation devices and wind power generation devices at a power generation peak into heat energy for storage, and then quickly and efficiently convert the stored heat energy into electric energy at a power consumption peak, so that the utilization efficiency of the conventional various hydroelectric power generation devices, solar power generation devices and wind power generation devices is higher, and the waste of a large amount of hydroelectric power generation capacity, solar power generation and wind power generation capacity is avoided.
The utility model relates to a heat storage type peak-shaving power generation device which comprises a heat insulation shell, wherein a fluid channel is arranged in the heat insulation shell, a heat accumulator is arranged in the fluid channel and used for converting electric energy input from the outside into heat energy and storing the heat energy, a heat exchange space allowing airflow to pass is arranged around the heat accumulator, an outflow body port of the fluid channel is communicated with an inlet of a turbine, a power output shaft of the turbine is in transmission connection with a power input shaft of a generator, an outlet of the turbine is communicated with an inflow body port of a cooler or a waste heat boiler capable of cooling fluid and used for cooling the fluid flowing through an internal cooling channel of the cooler or the waste heat boiler, an outflow body port of the cooler or the waste heat boiler is communicated with an inlet of a gas compressor, and an outlet of the gas compressor is communicated with an inflow body port of the fluid channel.
The utility model relates to a heat storage type peak regulation power generation device, wherein a plurality of heat accumulators are arranged in a fluid channel from front to back, two ends of each heat accumulator are connected with a power supply through an electric control device, fluid outlets of the fluid channel are respectively arranged on the side wall of the fluid channel near each heat accumulator, a fluid flow regulating device is respectively arranged at the fluid outlet of each fluid channel, and the fluid outlet of each fluid channel is communicated with an inlet of a turbine through a conveying fluid channel.
The heat storage type peak regulation power generation device comprises a fluid channel, a fluid conveying channel, a baffle plate and a heat storage type peak regulation power generation device, wherein the fluid channel and the fluid conveying channel are arranged in a steel pipe with a circular cross section, the baffle plate is arranged between the fluid channel and the fluid conveying channel, and each fluid flow regulation device is arranged on the baffle plate respectively.
The heat storage type peak regulation power generation device is characterized in that a temperature measuring device is arranged at the fluid outlet of each fluid channel, and a temperature measuring device is arranged at the outlet section of the fluid conveying channel or the inlet of the turbine.
The surface of the heat accumulator is connected with a plurality of radiating fins, the fluid conveying channel is arranged along the side wall of the fluid channel in a clinging manner, and the heat accumulator is fixed in the middle of the fluid channel by adopting a support or a suspender.
The heat storage type peak regulation power generation device is characterized in that the heat accumulator is made of iron-chromium-aluminum alloy or conductive ceramic or silicon carbide, the radiating fins are made of iron-chromium-aluminum alloy or conductive ceramic or silicon carbide, the heat accumulator is in a strip shape, the cross section of the heat accumulator is circular, elliptical or rectangular, and the area of the cross section of the heat accumulator is larger than 100 square centimeters.
The utility model relates to a heat storage type peak regulation power generation device, wherein an outlet of a gas compressor is communicated with an inlet of a turbine through a temperature regulation gas passage, and a stop valve for regulating the flow of fluid is arranged on the temperature regulation gas passage.
When the heat storage type peak shaving power generation device is used, two ends of a heat storage body of the heat storage type peak shaving power generation device are connected with a power supply through an electric control device, and the heat storage body is used for converting electric energy input by the power supply into heat energy and storing the heat energy, so that the heat storage type peak shaving power generation device is used for converting the electric energy generated by various hydroelectric and solar power generation devices and wind power generation devices at a power generation peak into the heat energy and storing the heat energy, when the power consumption peak is reached, because a fluid passage, a cooler or a waste heat boiler, a turbine and a compressor are filled with working media for circulation, the compressor is started, a gaseous or liquid working medium can be boosted and injected into a fluid inlet of the fluid passage, then the gaseous working medium can flow along the fluid passage and is heated by the heat storage body, the heated gaseous working medium can enter the turbine and drive the turbine to rotate, then the turbine can drag the generator to rotate and generate power, and therefore the stored heat energy can be quickly discharged at the power consumption peak, Converting into electric energy with high efficiency; gaseous working media discharged from the turbine after power generation can enter the cooler or the waste heat boiler, the gaseous working media can be cooled and then discharged from the cooler or the waste heat boiler, then the gaseous or liquid working media can return to the air compressor again, enter the fluid channel again after being pressurized again, and the cycle is repeated in this way, so that the heat energy stored by the heat accumulator can be gradually converted into electric energy again. Therefore, the heat storage type peak shaving power generation device has the characteristics that the electric energy generated by various hydroelectric power generation devices, solar power generation devices and wind power generation devices at the power generation peak can be efficiently converted into heat energy to be stored, and then the stored heat energy is rapidly and efficiently converted into the electric energy at the power utilization peak, so that the utilization efficiency of the conventional various hydroelectric power generation devices, solar power generation devices and wind power generation devices is higher, and the waste of a large amount of power generation capacity of hydroelectric power generation devices, solar power generation devices and wind power generation devices is avoided.
The heat storage type peak shaving power generation device of the present invention will be described in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a front view of a schematic structural view of a heat storage type peak shaving power generation device of the present invention.
Detailed Description
As shown in fig. 1, the heat storage type peak shaving power generation device of the present invention comprises a heat insulation casing 1, a fluid channel 2 is arranged in the heat insulation casing 1, a heat storage body 3 made of conductive material is arranged in the fluid channel 2, two ends of the heat storage body 3 are connected with a power supply through an electric control device, the heat storage body 3 is used for converting electric energy input by the power supply into heat energy and storing the heat energy, a heat exchange space allowing airflow to pass is arranged around the heat storage body 3, an outlet of the fluid channel 2 is communicated with an inlet of a turbine 4, a power output shaft of the turbine 4 is in transmission connection with a power input shaft of a generator 11, an outlet of the turbine 4 is communicated with a cooler 8 capable of cooling fluid or an inlet of a waste heat boiler, the cooler 8 or the waste heat boiler is used for cooling fluid flowing through an internal cooling channel thereof, the cooler 8 or the outlet of the waste heat boiler is communicated with an inlet of a compressor 7, the outlet of the compressor 7 is communicated with the fluid inlet of the fluid channel 2, the cooler 8 or the waste heat boiler, the turbine 4 and the compressor 7 form a Brayton cycle system, and gaseous working media for circulation are filled in the fluid channel 2, the cooler 8 or the waste heat boiler, the turbine 4 and the compressor 7.
In order to efficiently use the heat storage type peak regulation power generation device of the utility model and avoid unnecessary energy waste, when the power output shaft of the turbine 4 drives the power input shaft of the generator 11 to rotate and generate power, the heat accumulator 3 stops converting electric energy into heat energy under the regulation of the electric control device, and when the heat accumulator 3 converts electric energy into heat energy under the regulation of the electric control device, the power output shaft of the turbine 4 cannot drive the power input shaft of the generator 11 to rotate and generate power.
As a further improvement of the utility model, a plurality of heat accumulators 3 are arranged in the fluid channel 2 from front to back, two ends of each heat accumulator 3 are connected with a power supply through an electric control device, the side wall of the fluid channel 2 near each heat accumulator 3 is respectively provided with an outlet of the fluid channel 2, the outlet of each fluid channel 2 is respectively provided with a fluid flow regulating device 5, and the outlet of each fluid channel 2 is communicated with the inlet of the turbine 4 through a conveying fluid channel 6. When the device is used, the temperature and the flow of the gaseous working medium can be adjusted by adjusting and opening different numbers of fluid flow adjusting devices 5 or opening different positions of the fluid flow adjusting devices 5, and the power generation amount of the generator 11 is further adjusted. For example, if only the fluid flow rate control device 5 located at the inlet end of the fluid passage 2 is opened, both the flow rate of the working fluid and the temperature of the working fluid delivered to the turbine 4 will be relatively low, and if the fluid flow rate control device 5 located at the inlet section of the fluid passage 2 is additionally opened, both the flow rate of the working fluid and the temperature of the working fluid delivered to the turbine 4 will be relatively increased. Conversely, if the fluid flow rate control device 5 at the outlet end of the fluid passage 2 is opened, the flow rate of the working fluid supplied to the turbine 4 is relatively low, but the temperature of the working fluid is relatively high, and if the fluid flow rate control device 5 at the outlet section of the fluid passage 2 is opened, the flow rate of the working fluid supplied to the turbine 4 is increased, and the temperature of the working fluid is relatively lowered. Therefore, the power generation amount of the generator 11 can be flexibly adjusted to adapt to different power consumption changes.
As a further improvement of the utility model, the fluid channel 2 and the conveying fluid channel 6 are arranged in a steel pipe with a circular cross section, a partition plate 12 is arranged between the fluid channel 2 and the conveying fluid channel 6, and each fluid flow regulating device 5 is respectively arranged on the partition plate 12.
As a further improvement of the present invention, a temperature measuring device is respectively disposed at the fluid outlet of each of the fluid channels 2, and a temperature measuring device is disposed at the outlet section of the fluid conveying channel 6 or the inlet of the turbine 4.
As a further improvement of the present invention, a plurality of heat dissipation fins are connected to the surface of the heat storage body 3, the transport fluid channel 6 is closely arranged along the side wall of the fluid channel 2, and the heat storage body 3 is fixed in the middle of the fluid channel 2 by using a bracket or a hanger rod.
As a further improvement of the utility model, the heat accumulator 3 is made of iron-chromium-aluminum alloy or conductive ceramic or silicon carbide, the radiating fins are made of iron-chromium-aluminum alloy or conductive ceramic or silicon carbide, the heat accumulator 3 is in a long strip shape, the cross section of the heat accumulator 3 is circular, elliptical or rectangular, and the area of the cross section of the heat accumulator 3 is larger than 100 square centimeters.
As a further improvement of the utility model, the outlet of the compressor 7 is communicated with the inlet of the turbine 4 through a temperature-adjusting air passage 9, and the temperature-adjusting air passage 9 is provided with a stop valve 10 for adjusting the flow of the fluid.
In order to make the heat storage body 3 store enough heat energy, the melting point of the heat storage body 3 is usually higher than 1400 ℃, the upper limit temperature of the heat storage body 3 when storing heat can be set near 1400 ℃, for the heat storage body 3 with a circular section, the section size of the heat storage body 3 can be set to be 100 mm-300 mm in diameter, and the total length is more than 1000 meters, so that enough heat energy can be stored.
When the heat storage type peak shaving power generation device is used, two ends of a heat storage body 3 of the heat storage type peak shaving power generation device are connected with a power supply through an electric control device, the heat storage body 3 is used for converting electric energy input by the power supply into heat energy and storing the heat energy, therefore, the heat storage type peak shaving power generation device is used for converting the electric energy generated by various hydroelectric, solar and wind power generation devices at the power generation peak into the heat energy and storing the heat energy, when the power consumption peak is reached, as a fluid working medium for circulation is filled in a fluid channel 2, a cooler 8 or a waste heat boiler, a turbine 4 and a compressor 7, the compressor 7 is started, a gaseous or liquid working medium is boosted and injected into a fluid inlet of the fluid channel 2, then the gaseous working medium flows along the fluid channel 2 and is heated by the heat storage body 3, the heated gaseous working medium enters the turbine 4 and drives the turbine 4 to rotate, then the turbine 4 rotates a generator 11 and drags the power generation, therefore, the stored heat energy is converted into electric energy rapidly and efficiently at the peak of electricity utilization; gaseous working media discharged from the turbine 4 after power generation enter the cooler 8 or the waste heat boiler, the gaseous working media are cooled and then discharged from the cooler 8 or the waste heat boiler, then the gaseous or liquid working media return to the gas compressor 7 again, and enter the fluid channel 2 again after being pressurized again, and the cycle is repeated in this way, so that the heat energy stored in the heat accumulator 3 can be gradually converted into electric energy again. Therefore, the heat storage type peak shaving power generation device can efficiently convert electric energy generated by various hydroelectric power generation devices, solar power generation devices and wind power generation devices at the power generation peak into heat energy to be stored, and then quickly and efficiently convert the stored heat energy into electric energy at the power utilization peak, so that the utilization efficiency of the conventional various hydroelectric power generation devices, solar power generation devices and wind power generation devices is higher, and a large amount of heat energy wasted by the power generation capacity of hydroelectric power generation devices, solar power generation devices and wind power generation devices is avoided.
Claims (7)
1. The heat storage type peak regulation power generation device is characterized in that: the heat-preserving device comprises a heat-preserving shell (1), wherein a fluid channel (2) is arranged in the heat-preserving shell (1), a heat accumulator (3) is arranged in the fluid channel (2), the heat accumulator (3) is used for converting electric energy input from the outside into heat energy and storing the heat energy, a heat exchange space allowing airflow to pass through is arranged around the heat accumulator (3), an outflow body port of the fluid channel (2) is communicated with an inlet of a turbine (4), a power output shaft of the turbine (4) is in transmission connection with a power input shaft of a generator, an outlet of the turbine (4) is communicated with a cooler (8) capable of cooling fluid or an inflow body port of a waste heat boiler, the outflow body port of the cooler (8) or the waste heat boiler is communicated with an inlet of a gas compressor (7), and an outlet of the gas compressor (7) is communicated with the inflow body port of the fluid channel (2).
2. The heat storage peak shaving power generation device according to claim 1, wherein: the heat storage type turbine heat pump.
3. The heat storage peak shaving power generation device according to claim 2, wherein: the fluid channel (2) and the fluid conveying channel (6) are arranged in a steel pipe with a circular cross section, a partition plate (12) is arranged between the fluid channel (2) and the fluid conveying channel (6), and each fluid flow regulating device (5) is arranged on the partition plate (12) respectively.
4. The heat storage peak shaving power generation device according to claim 3, wherein: a temperature measuring device is arranged at the fluid outlet of each fluid channel (2), and a temperature measuring device is arranged at the outlet section of the fluid conveying channel (6) or the inlet of the turbine (4).
5. The heat storage peak shaving power generation device according to claim 4, wherein: the surface of the heat accumulator (3) is connected with a plurality of radiating fins, the fluid conveying channel (6) is arranged along the side wall of the fluid channel (2) in a clinging mode, and the heat accumulator (3) is fixed in the middle of the fluid channel (2) through a support or a hanging rod.
6. The heat storage peak shaving power generation device according to claim 5, wherein: the heat accumulator (3) is made of iron-chromium-aluminum alloy or conductive ceramic or silicon carbide, the radiating fins are made of iron-chromium-aluminum alloy or conductive ceramic or silicon carbide, the heat accumulator (3) is in a long strip shape, the cross section of the heat accumulator (3) is circular or oval or rectangular, and the area of the cross section of the heat accumulator (3) is larger than 100 square centimeters.
7. The heat storage type peak shaving power generation device according to any one of claims 1 to 6, characterized in that: the outlet of the compressor (7) is communicated with the inlet of the turbine (4) through a temperature adjusting air passage (9), and a stop valve (10) for adjusting the flow of fluid is arranged on the temperature adjusting air passage (9).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121930986.4U CN216741649U (en) | 2021-08-16 | 2021-08-16 | Heat storage type peak regulation power generation device |
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| CN202121930986.4U CN216741649U (en) | 2021-08-16 | 2021-08-16 | Heat storage type peak regulation power generation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113586182A (en) * | 2021-08-16 | 2021-11-02 | 孟金来 | Heat storage peak regulation power generation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586182A (en) * | 2021-08-16 | 2021-11-02 | 孟金来 | Heat storage peak regulation power generation device |
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