CN107605547A - A kind of electricity generation system for coupling heat-storing device - Google Patents
A kind of electricity generation system for coupling heat-storing device Download PDFInfo
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- CN107605547A CN107605547A CN201710891307.9A CN201710891307A CN107605547A CN 107605547 A CN107605547 A CN 107605547A CN 201710891307 A CN201710891307 A CN 201710891307A CN 107605547 A CN107605547 A CN 107605547A
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- heat
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- exchanger rig
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The invention discloses a kind of electricity generation system for coupling heat-storing device, including drive system, generator and heat-exchanger rig, the drive system is connected with generator, the drive system is connected by pipeline with heat-exchanger rig, the heat-exchanger rig is connected by pipeline with heat-storing device, heat-storage medium is provided with the heat-storing device, heat transferring medium is provided with the heat-exchanger rig.Beneficial effects of the present invention：Heat-storing device is combined with existing generating flow, it is possible to achieve hot and cold, the electric trilogy supply of system, waste heat recycle, and according to user's request, tissue energy supply, realize zero-emission, improve overall generating efficiency, have preferable economy and environmental benefit.
Description
Technical field
The present invention relates to power field, relates in particular to a kind of electricity generation system for coupling heat-storing device.
Background technology
Using steam turbine and gas turbine as the large power generating equipment main now of representative, substantially by drive system, generate electricity
Machine and combustion of fossil fuel equipment are formed.During unit generation, fossil fuel burns in combustion apparatus, is heated to working medium.Quilt
Heating working medium enters drive system expansion work, and driving generator operation produces electric energy.Due to needing combustion of fossil fuels, therefore
Supplied by fuel, the condition such as efficiency of combustion is limited, and pollution inevitably is produced to environment and destroyed.
In addition, compressed-air energy storage as a kind of high efficiency, Large Copacity physics energy storage technology just gradually by domestic and international
Great attention.System by power driven compressor compressed air and is stored in caisson in thermal energy storage process；Releasing can mistake
Cheng Ze discharges pressure-air expansion work, drives the external output power of generator.Compressed-air energy-storage system is mainly used in cutting
Peak load, smooth regenerative resource fluctuation, the annual utilization hours for improving the regenerative resources such as wind-powered electricity generation, photovoltaic.Compress simultaneously
Air energy storage systems have that small investment, operation and maintenance cost are low, dynamic response is fast, the method for operation is flexible, economic performance is high, environment
The characteristics of small, floor space is small is polluted, the construction for promoting intelligent grid to China will play progradation.
However, compressed-air energy-storage system is not broken still in the presence of some key technique problems at present, cause similar
The actual efficiency of system, which is less than the problem of theoretical efficiency, to be present, seriously limit compressed-air energy-storage system further development and
Using.
In view of the above-mentioned problems, patent of the present invention provides set of system, while generated energy is increased, fossil fuel is reduced
Use, reduce pollution to environment and destruction, make full use of energy-storage system, to greatest extent lifting system generating efficiency.
The content of the invention
The problem of in correlation technique, the present invention proposes a kind of electricity generation system for coupling heat-storing device, by heat storage and exchange
System is combined with existing generating, independent of fossil fuel, realizes zero-emission, has preferable environmental benefit.
To realize above-mentioned technical purpose, the technical proposal of the invention is realized in this way：
A kind of electricity generation system for coupling heat-storing device, including drive system, generator and heat-exchanger rig, the drive system with
Generator is connected, and the drive system is connected by pipeline with heat-exchanger rig, and the heat-exchanger rig passes through pipeline and heat reservoir
It is connected, is provided with heat-storage medium in the heat reservoir, heat transferring medium is provided with the heat-exchanger rig.
Further, the drive system is steam turbine, and the steam turbine is connected with generator, the steam turbine
Steam inlet be connected by pipeline with heat-exchanger rig.
Further, the drive system is gas turbine, and the gas turbine is connected with generator, the heat-exchanger rig
With compressor exhaust end, turbine low-pressure inlet end by pipeline with being connected.
Further, the drive system is compressed-air energy-storage system, and the compressed-air energy-storage system includes multistage
Expanding machine, the expanding machine are connected with generator；Heat exchange dress is provided with connecting pipe between the adjacent expanding machine is at different levels
Put.
Further, the heat-storage medium is water, and the heat reservoir includes low temperature water pot and high temperature water pot, the low temperature
Water pot is connected with the delivery outlet of high temperature water pot by pipeline with water pump.
Further, the heat-storage medium is fused salt, and the heat reservoir includes low-temperature molten salt tank and high temperature melting salt cellar, institute
Low-temperature molten salt tank is stated with high temperature melting salt cellar exit by pipeline with pump for liquid salts to be connected.
Further, the heat-storage medium is conduction oil or solid heat accumulation.
Further, the origin of heat of heat-storage medium is that photo-thermal, industrial waste heat or use abandon wind, abandon the electricity of light, trough-electricity
Heating.
Further, when heat transferring medium is water, the heat-exchanger rig includes low temperature water pot and high temperature water pot, the water at low temperature
Tank is connected with the delivery outlet of high temperature water pot by pipeline with water pump.
Further, when heat transferring medium is fused salt, the heat-exchanger rig includes low-temperature molten salt tank and high temperature melting salt cellar, described
Low-temperature molten salt tank is connected with high temperature melting salt cellar exit by pipeline with pump for liquid salts.
Further, the heat transferring medium is conduction oil or CO2Gas.
Beneficial effects of the present invention：Heat-storing device is combined with existing generating flow, it is possible to achieve system it is hot and cold,
Electric trilogy supply, waste heat recycle, and according to user's request, tissue energy supply, realize zero-emission, improve the overall effect that generates electricity
Rate, there is preferable economy and environmental benefit.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of schematic diagram of the electricity generation system of coupling heat-storing device described according to embodiments of the present invention；
Fig. 2 is the electricity generation system schematic diagram that steam turbine generating described according to embodiments of the present invention is combined with heat reservoir；
Fig. 3 is the electricity generation system schematic diagram that gas turbine power generation described according to embodiments of the present invention is combined with heat reservoir；
Fig. 4 is the electricity generation system signal that compressed-air energy-storage system described according to embodiments of the present invention is combined with heat reservoir
Figure.
In figure：
1st, generator；2nd, drive system；3rd, heat-storing device；4th, heat-exchanger rig；5th, steam turbine；6th, fused salt electric heater；7th, it is warm
Fused salt tank；8th, high temperature melting salt cellar；9th, pump for liquid salts；10th, gas turbine；11st, compressor；12nd, turbine；13rd, expanding machine；14th, it is low
Warm water tank；15th, high temperature water pot；16th, water pump.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained, belong to what the present invention protected
Scope.
As Figure 1-4, a kind of electricity generation system for coupling heat-storing device, including drive system 2, generator 1 and heat exchange
Device 4, the drive system 2 are connected with generator 1, and the drive system 2 is connected by pipeline with heat-exchanger rig 4, described to change
Thermal 4 is connected by pipeline with heat reservoir 3, is provided with heat-storage medium in the heat reservoir 3, is set in the heat-exchanger rig 4
There is heat transferring medium.
In one embodiment, the drive system 2 is steam turbine 5, and the steam turbine 5 is connected with generator 1, institute
The steam inlet for stating steam turbine 5 is connected by pipeline with heat-exchanger rig 4.
In one embodiment, the drive system 2 is gas turbine 10, and the gas turbine 10 is connected with generator 1,
The heat-exchanger rig 4 and the exhaust end of compressor 11, the low-pressure inlet end of turbine 12 are by pipeline with being connected.
In one embodiment, the drive system 2 is compressed-air energy-storage system, the compressed-air energy-storage system bag
Multiple expansion engine 13 is included, the expanding machine 13 is connected with generator 1；On connecting pipe between the adjacent expanding machine 13 is at different levels
It is provided with heat-exchanger rig 4.
In one embodiment, the heat-storage medium is water, and the heat reservoir 3 includes low temperature water pot 14 and high temperature water pot
51, the low temperature water pot 14 is connected with the delivery outlet of high temperature water pot 15 by pipeline with water pump.
In one embodiment, the heat-storage medium is fused salt, and the heat reservoir 3 includes low-temperature molten salt tank 7 and high temperature
Fused salt tank 8, the low-temperature molten salt tank 7 are connected with the exit of high temperature melting salt cellar 8 by pipeline with pump for liquid salts 9.
In one embodiment, the heat-storage medium is conduction oil or solid heat accumulation.
In one embodiment, the origin of heat of heat-storage medium is that photo-thermal, industrial waste heat or use abandon wind, abandon light, low ebb
The electrical heating of electricity.
In one embodiment, when heat transferring medium is water, the heat-exchanger rig 4 includes low temperature water pot 14 and high temperature water pot
15, the low temperature water pot 14 is connected with the delivery outlet of high temperature water pot 15 by pipeline with water pump.
In one embodiment, when heat transferring medium is fused salt, the heat-exchanger rig 4 includes low-temperature molten salt tank 7 and high temperature melting
Salt cellar 8, the low-temperature molten salt tank 7 are connected with the exit of high temperature melting salt cellar 8 by pipeline with pump for liquid salts 9.
In one embodiment, the heat transferring medium is conduction oil or CO2Gas.
Understanding to above-mentioned technical proposal for convenience, is now used for mode and is further described：
Embodiment one：
When drive system 2 is steam turbine 5, as shown in Fig. 2 the use of fused salt electric heater 6 abandons wind, abandons electricity, power network trough-electricity
The operating temperature of 550 DEG C of highest is heated to fused salt and is stored in high temperature melting salt cellar 8, is sent high temperature lava by pump for liquid salts 9
In heat-exchanger rig 4 to the steam inlet of steam turbine 5, it is exchanged heat with inlet steam, steamed so as to improve the entrance of steam turbine 5
Stripping temperature.The low-temperature molten salt that heat exchange terminates is stored in low-temperature molten salt tank 7, is afterwards again delivered to low-temperature molten salt by pump for liquid salts 9
Molten salt heater 6 is heated, and completes a work period.Reduce fossil fuel use and the pollution to environment is broken
It is bad, while improve the whole efficiency of steam-electric power unit.
Embodiment two is when drive system 2 is using compressed-air energy-storage system, as shown in figure 4, fused salt electric heater 6 uses
Photo-thermal heat is heated to the operating temperature of 550 DEG C of highest to fused salt and is stored in high temperature melting salt cellar 8.By pump for liquid salts 9 by height
Warm lava is delivered in heat-exchanger rig 4, it is exchanged heat with the heat transferring medium water in heat-exchanger rig 4, so as to improve heat transferring medium
The temperature of water.The low-temperature molten salt that heat exchange terminates is stored in low-temperature molten salt tank 7, is afterwards again sent low-temperature molten salt by pump for liquid salts 9
Heated to photo-thermal heater 4, complete a work period；High temperature heat transferring medium water is stored in high temperature water pot 15,
Delivered to by water pump 16 in heat-exchanger rig 4.Gas between making high temperature heat transferring medium water and expanding machine 13 at different levels in pipeline is changed
Heat, to improve the temperature of 13 at different levels gas in pipelines of expanding machine.Low-temperature heat exchange WATER AS FLOW MEDIUM after heat exchange is stored in low temperature water pot
In 14, heat-exchanger rig 4 is delivered to by water pump 16 and exchanged heat with heat-storage medium fused salt, so as to complete a working cycles.Increase
The power output of expanding machine 13, improve the whole efficiency of compressed-air energy-storage system.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (11)
1. a kind of electricity generation system for coupling heat-storing device, it is characterised in that including drive system（2）, generator（1）And heat exchange
Device（4）, the drive system（2）With generator（1）Connection, the drive system（2）Pass through pipeline and heat-exchanger rig（4）Phase
Even, the heat-exchanger rig（4）Pass through pipeline and heat reservoir（3）It is connected, the heat reservoir（3）It is interior to be provided with heat-storage medium, institute
State heat-exchanger rig（4）In be provided with heat transferring medium.
A kind of 2. electricity generation system for coupling heat-storing device according to claim 1, it is characterised in that the drive system
（2）For steam turbine（5）, the steam turbine（5）With generator（1）Connection, the steam turbine（5）Steam inlet pass through
Pipeline and heat-exchanger rig（4）It is connected.
A kind of 3. electricity generation system for coupling heat-storing device according to claim 1, it is characterised in that the drive system
（2）For gas turbine（10）, the gas turbine（10）With generator（1）Connection, the heat-exchanger rig（4）With compressor（11）
Exhaust end, turbine（12）Low-pressure inlet end is by pipeline with being connected.
A kind of 4. electricity generation system for coupling heat-storing device according to claim 1, it is characterised in that the drive system
（2）For compressed-air energy-storage system, the compressed-air energy-storage system includes multiple expansion engine（13）, the expanding machine（13）With
Generator（1）Connection；The adjacent expanding machine（13）Heat-exchanger rig is provided with connecting pipe between at different levels（4）.
A kind of 5. electricity generation system of coupling heat-storing device according to claim 2,3 or 4, it is characterised in that the heat accumulation
Medium is water, the heat reservoir（3）Including low temperature water pot（14）With high temperature water pot（15）, the low temperature water pot（14）With high temperature
Water pot（15）Delivery outlet be connected by pipeline with water pump.
A kind of 6. electricity generation system of coupling heat-storing device according to claim 2,3 or 4, it is characterised in that the heat accumulation
Medium is fused salt, the heat reservoir（3）Including low-temperature molten salt tank（7）With high temperature melting salt cellar（8）, the low-temperature molten salt tank（7）
With high temperature melting salt cellar（8）Exit passes through pipeline and pump for liquid salts（9）It is connected.
A kind of 7. electricity generation system of coupling heat-storing device according to claim 2,3 or 4, it is characterised in that the heat accumulation
Medium is conduction oil or solid heat accumulation.
A kind of 8. electricity generation system of coupling heat-storing device according to claim 2,3 or 4, it is characterised in that heat-storage medium
Origin of heat be photo-thermal, industrial waste heat or using abandoning wind, abandon the electrical heating of light, trough-electricity.
9. the electricity generation system of a kind of coupling heat-storing device according to claim 2,3 or 4, it is characterised in that when heat exchange is situated between
Matter is water, the heat-exchanger rig（4）Including low temperature water pot（14）With high temperature water pot（15）, the low temperature water pot（14）With high-temperature water
Tank（15）Delivery outlet be connected by pipeline with water pump.
10. the electricity generation system of a kind of coupling heat-storing device according to claim 2,3 or 4, it is characterised in that when heat exchange is situated between
Matter is fused salt, the heat-exchanger rig（4）Including low-temperature molten salt tank（7）With high temperature melting salt cellar（8）, the low-temperature molten salt tank（7）With
High temperature melting salt cellar（8）Exit passes through pipeline and pump for liquid salts（9）It is connected.
A kind of 11. electricity generation system of coupling heat-storing device according to claim 2,3 or 4, it is characterised in that the heat exchange
Medium is conduction oil or CO2Gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710891307.9A CN107605547A (en) | 2017-09-27 | 2017-09-27 | A kind of electricity generation system for coupling heat-storing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710891307.9A CN107605547A (en) | 2017-09-27 | 2017-09-27 | A kind of electricity generation system for coupling heat-storing device |
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| CN201710891307.9A Pending CN107605547A (en) | 2017-09-27 | 2017-09-27 | A kind of electricity generation system for coupling heat-storing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631644A (en) * | 2018-12-03 | 2019-04-16 | 北京工业大学 | Runner preheating device between a kind of energy-saving narrow deep space under suitable adverse circumstances |
| JP2020513081A (en) * | 2017-03-20 | 2020-04-30 | ルメニオン ゲーエムベーハー | Power plant for generating electrical energy and method of operating a power plant |
| CN113154924A (en) * | 2021-05-26 | 2021-07-23 | 兰州正德电子科技有限责任公司 | System for utilize hot-air heating granule to carry out energy storage |
-
2017
- 2017-09-27 CN CN201710891307.9A patent/CN107605547A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020513081A (en) * | 2017-03-20 | 2020-04-30 | ルメニオン ゲーエムベーハー | Power plant for generating electrical energy and method of operating a power plant |
| JP7126090B2 (en) | 2017-03-20 | 2022-08-26 | ルメニオン ゲーエムベーハー | Power plants for generating electrical energy and methods of operating power plants |
| CN109631644A (en) * | 2018-12-03 | 2019-04-16 | 北京工业大学 | Runner preheating device between a kind of energy-saving narrow deep space under suitable adverse circumstances |
| CN113154924A (en) * | 2021-05-26 | 2021-07-23 | 兰州正德电子科技有限责任公司 | System for utilize hot-air heating granule to carry out energy storage |
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