CN104405599B - Fuel gas-supercritical carbon dioxide united power electricity generation system utilizing solar energy - Google Patents
Fuel gas-supercritical carbon dioxide united power electricity generation system utilizing solar energy Download PDFInfo
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- CN104405599B CN104405599B CN201410494094.2A CN201410494094A CN104405599B CN 104405599 B CN104405599 B CN 104405599B CN 201410494094 A CN201410494094 A CN 201410494094A CN 104405599 B CN104405599 B CN 104405599B
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 44
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 44
- 239000000446 fuel Substances 0.000 title claims abstract description 36
- 230000005611 electricity Effects 0.000 title claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 230000006835 compression Effects 0.000 claims abstract description 5
- 238000007906 compression Methods 0.000 claims abstract description 5
- 230000008676 import Effects 0.000 claims description 40
- 239000007789 gas Substances 0.000 claims description 29
- 239000000567 combustion gas Substances 0.000 claims description 22
- 239000012530 fluid Substances 0.000 claims description 19
- 238000004891 communication Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 238000005183 dynamical system Methods 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 description 11
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 238000010795 Steam Flooding Methods 0.000 description 1
- GCNLQHANGFOQKY-UHFFFAOYSA-N [C+4].[O-2].[O-2].[Ti+4] Chemical compound [C+4].[O-2].[O-2].[Ti+4] GCNLQHANGFOQKY-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 150000002835 noble gases Chemical class 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000005658 nuclear physics Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G6/00—Devices for producing mechanical power from solar energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
- F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a fuel gas-supercritical carbon dioxide united power electricity generation system utilizing solar energy. The system comprises a wind compressed air system, a solar energy heating system, a gas turbine electricity generation system and a supercritical carbon dioxide Brayton cycle electricity generation system. According to the invention, a wind power unit directly drives a compression unit to compress air; heat of compressed air is transmitted to a heat regenerator in the supercritical carbon dioxide Brayton cycle; heat generated by the solar energy heating system is automatically distributed to the gas turbine fuel or supercritical carbon dioxide heat regenerator according to demands; exhaust air of a gas turbine is used as a heat source of the supercritical carbon dioxide Brayton cycle electricity generation system to realize fuel gas-supercritical carbon dioxide united power cycle; and the efficiency of the system is improved, and a stable power supply source is provided. According to the system, the stable power supply system can be provided, and meanwhile a new thought is provided for utilization of wind energy and the solar energy and application of the supercritical carbon dioxide Brayton cycle.
Description
[technical field]
The invention belongs to renewable energy utilization technical field is and in particular to a kind of combustion gas-supercritical of utilization solar energy
Carbon dioxide combined power electricity generation system.
[background technology]
For solving and tackling the problems such as energy shortage and environmental pollution, in the last few years, government continues to increase to renewable energy
The fund input of source research and Demonstration And Extension and industrialization dynamics, the shared ratio in China energy consumption structure of regenerative resource
Example rises year by year.Among these, wind energy, as a kind of clean reproducible energy, generates electricity for Substitute coal and carbon dioxide discharge-reduction has
Important function.Solar energy be equally a kind of important can in the raw energy, and have have a very wide distribution, total resources is big, clean
Pollution-free the features such as, at present three aspects such as electric energy, heat energy, chemical energy are converted into using being concentrated mainly on to solar energy, too
Sun can use as thermal source, and technology is more ripe, and can run working medium by it very well provides enough heat energy to be used for heating.
After the eighties, because the single-machine capacity of gas turbine and the thermal efficiency all have significant improvement, particularly
Gas-steam Combined Cycle technology is gradually ripe, along with the exploitation further of natural gas resource in world wide, makes combustion gas wheel
Machine has obtained very fast development, and the gas turbine and its combined cycle status in world's power industry also there occurs substantially
Change.Due to combustion engine combined cycle power plant efficiency high, mobility is good, can meet the environmental requirement of increasingly stringent, at present full generation
In the installed capacity that boundary increases newly every year, there is more than l/3 to be to adopt gas-steam combined cycle set, and the U.S. is then close to l/2.
According to incompletely statistics, the installation total capacity of the existing oil firing in the whole world and the gas turbine and its combined cycle that burn natural gas has surpassed
Cross 400,000,000 kw.
Intend critical zone physical property jumping phenomenon using supercritical fluid, compressor operating point is arranged near pseudo-critical temperature
Big density region, heat exchanger operating point is arranged on the low density area after pseudo-critical temperature, can ensure gas-cooled
Under the premise of, reduce compression power consumption, realize higher efficiency.When this property of supercritical fluid makes it as energy transformation working medium
There is obvious advantage.Carbon dioxide (co2) due to its critical pressure rather moderate (7.38mpa), there is preferable stability
With nuclear physics property, show the property of noble gases within the scope of certain temperature, and it is nontoxic, rich reserves, natural
The characteristic such as there is it is considered to be most the energy transmission of application prospect and one of energy transformation working medium.Due to supercritical titanium dioxide
Carbon (s-co2) in the range of certain operational factor, density is larger and no phase transformation, therefore with supercritical carbon dioxide (s-co2) be
The dynamical system compact equipment such as the compressor of working medium, gas-turbine, small volume.Each combination of Brayton cycle can be with output
The electric power of 20mw, take up room only four cubic meters.Supercritical carbon dioxide (s-co2) Bretton (brayton) circulation wheel
Machine is generally used for large-scale heating power and nuclear energy power generation aspect, and including power reactor of future generation, target is that steam drive is finally replaced
Rankine cycle turbine (less efficient, there are corrosivity in hot conditionss, simultaneously because needing very big turbine and condenser
Process unnecessary steam, taking up room is 30 times).
[content of the invention]
The system it is an object of the invention to provide a kind of combustion gas of utilization solar energy-supercritical carbon dioxide combined power generates electricity
System, it can improve electricity generation system efficiency, provides stable power-supplying power supply, simultaneously for wind energy, the utilization of solar energy and supercritical
Carbon dioxide (s-co2) Bretton (brayton) power cycle with provide new approaches.
For reaching above-mentioned purpose, the present invention adopts the following technical scheme that and is achieved:
A kind of combustion gas of utilization solar energy-supercritical carbon dioxide combined power electricity generation system, including wind-power compressed air
System, solar heating system, gas turbine generating system and supercritical carbon dioxide Brayton cycle electricity generation system；Wherein,
Wind-power compressed air system includes Wind turbine and vacuum tank, and this Wind turbine passes through variable speed drive group and the
One compressor bank connects, and the first compressor bank is provided with air intake；
Solar heating system includes tower type solar heat collector, and this tower type solar heat collector includes heliostat, reception
Device and collection thermal tower, wherein, receptor receives and is derived from heliostat solar irradiation, and it is arranged on the top of collection thermal tower, receptor
Heat-exchange working medium import is connected with the heat-exchange working medium outlet of First Heat Exchanger group, and the heat-exchange working medium of receptor exports and First Heat Exchanger
The heat-exchange working medium import of group connects, and constitutes a closed circuit, and First Heat Exchanger group is provided with fuel gateway, First Heat Exchanger
The fuel outlet of group is connected with the import of fuel storage device by pipeline；
Gas turbine generating system includes burner, the voltage stabilizing in the gas access of burner and wind-power compressed air system
The gas outlet of tank is connected, and the fuel inlet of burner is connected with the outlet of the fuel storage device in solar heating system
Logical, the outlet of burner is connected with the import of combustion gas turbine, and the outlet of combustion gas turbine is connected with the import of the second heat exchanger group, combustion
Gas turbine is connected with gas turbine powered generator by shafting；
Supercritical carbon dioxide Brayton cycle dynamical system includes regenerator, the outlet of the first compressor bank and regenerator
Air intlet connect, the air outlet slit of regenerator is connected with the import of vacuum tank, the heat-exchange working medium import of receptor and backheat
The heat-exchange working medium outlet of device connects, and the heat-exchange working medium outlet of receptor is connected with the heat-exchange working medium import of regenerator, constitutes one
Closed circuit, the low temperature side fluid intake of regenerator is connected with the fluid issuing of the second compressor bank, the low temperature effluent of regenerator
Body outlet is connected with the import of the second heat exchanger group, the high temperature side fluid inlet of regenerator and the outlet of steam turbine,
The high temperature side fluid issuing of regenerator and the inlet communication of cooler, the outlet of cooler is with the import of the second compressor bank even
Logical, the outlet of the second heat exchanger group and the inlet communication of steam turbine, steam turbine pass through shafting respectively with the second compressor bank
Connect with steam turbine generation machine.
The present invention is further improved by: is provided with the on the outlet of regenerator and the inlet connecting branch road of vacuum tank
One control valve, the outlet of vacuum tank and the air intlet connecting line of burner are provided with the second control valve；In receptor
3rd control valve is installed, in receptor on heat-exchange working medium import and the connecting pipe of the heat-exchange working medium outlet of First Heat Exchanger group
The connecting pipe of heat-exchange working medium outlet of heat-exchange working medium import and regenerator on the 5th control valve, changing in receptor are installed
4th control valve is installed, in receptor on hot working fluid outlet and the connecting pipe of heat-exchange working medium import of First Heat Exchanger group
6th control valve is installed, in fuel storage device on heat-exchange working medium outlet and the connecting pipe of heat-exchange working medium import of regenerator
The connecting pipe of fuel inlet of outlet and burner on the 7th control valve is installed.
The present invention is further improved by: supercritical carbon dioxide Brayton cycle dynamical system uses supercritical dioxy
Change carbon is working medium.
The present invention is further improved by: is additionally provided with exhanst gas outlet in the second heat exchanger group.
With respect to prior art, the present invention directly drives compressor bank compressed air by Wind turbine, compressed air
Heat transfer is to supercritical carbon dioxide (s-co2) Bretton (brayton) circulation in regenerator, solar heating system produce
Raw heat is automatically assigned to combustion engine fuel or supercritical carbon dioxide regenerator with demand, for the aerofluxuss conduct of gas turbine
Supercritical carbon dioxide (s-co2) thermal source of Bretton (brayton) cycle generating system realizes combustion gas-supercritical carbon dioxide
Combined power circulates, and improves the efficiency of system, and provides stable power supply.The present invention combines wind-power compressed air
System, solar heating system, gas turbine generating system, supercritical carbon dioxide (s-co2) Bretton (brayton) circulation
Electricity generation system, provides stable electric power system, simultaneously for wind energy, the utilization of solar energy and supercritical carbon dioxide (s-co2)
Bretton (brayton) power cycle with providing new thinking.
[brief description]
Fig. 1 is a kind of entirety of the combustion gas-supercritical carbon dioxide combined power electricity generation system of present invention utilization solar energy
Structural representation；
In figure: 1, Wind turbine, 2, variable speed drive group, the 3, first compressor bank, 4, vacuum tank, 5, heliostat, 6,
Receptor, 7, collection thermal tower, 8, First Heat Exchanger group, 9, fuel storage device, 10, burner, 11, combustion gas turbine, 12, combustion gas wheel
Machine electromotor, the 13, second heat exchanger group, 14, regenerator, 15, cooler, the 16, second compressor bank, 17, steam turbine, 18,
Steam turbine generation machine.
[specific embodiment]
The present invention is described in detail below in conjunction with the accompanying drawings.
Referring to Fig. 1, a kind of combustion gas-supercritical carbon dioxide combined power electricity generation system of present invention utilization solar energy, bag
Include wind-power compressed air system, solar heating system, gas turbine generating system and supercritical carbon dioxide (s-co2) mine-laying
Pause (brayton) cycle generating system.
Wind-power compressed air system includes Wind turbine 1, variable speed drive group 2, the first compressor bank 3 and vacuum tank 4,
Wind turbine 1 is connected with the first compressor bank 3 by variable speed drive group 2, and the first compressor bank 3 is provided with air intake；
Solar heating system includes tower type solar heat collector, and this tower type solar heat collector includes heliostat 5, receives
Device 6, collection thermal tower 7, First Heat Exchanger group 8 and fuel storage device 9, wherein, receptor 6 receives and is derived from heliostat 5 solar irradiation,
It is connected with collection thermal tower 7, and the heat-exchange working medium import of receptor 6 is connected with the heat-exchange working medium outlet of First Heat Exchanger group 8, receptor
6 heat-exchange working medium outlet is connected with the heat-exchange working medium import of First Heat Exchanger group 8, constitutes a closed circuit, First Heat Exchanger
Group 8 is provided with fuel gateway, and the fuel outlet of First Heat Exchanger group 8 is connected with the import of fuel storage device 9 by pipeline；
Gas turbine generating system includes burner 10, combustion gas turbine 11, gas turbine powered generator 12 and the second heat exchanger
Group 13, the gas access of burner 10 is connected with the gas outlet of the vacuum tank 4 in wind-power compressed air system, burner 10
Fuel inlet be connected with the outlet of the fuel storage device 9 in solar heating system, the outlet of burner 10 and combustion gas
The import of turbine 11 connects, and the outlet of combustion gas turbine 11 is connected with the import of the second heat exchanger group 13, and combustion gas turbine 11 passes through axle
System is connected with gas turbine powered generator 12；Via the fuel of First Heat Exchanger group 8 heating with via the first compressor bank 3 compression
Air mixed combustion in burner 10, forms high-temperature fuel gas, enters acting in combustion gas turbine 11 and drives gas turbine generator 12
Generate electricity, the aerofluxuss of combustion gas turbine 11 enter the second heat exchanger group 13 and carry out heat exchange, and the exhaust steam after heat exchange is discharged from chimney.
Supercritical carbon dioxide (s-co2) Bretton (brayton) Circulated power system includes regenerator 14, cooler
15th, the second compressor bank 16 and steam turbine 17, the outlet of the first compressor bank 3 is connected with the air intlet of regenerator 14, returns
The air outlet slit of hot device 14 is connected with the import of vacuum tank 4, the heat-exchange working medium import of receptor 6 and the heat-exchange working medium of regenerator 14
Outlet connects, and the heat-exchange working medium outlet of receptor 6 is connected with the heat-exchange working medium import of regenerator 14, constitutes a closed circuit,
The low temperature side fluid intake of regenerator 14 is connected with the fluid issuing of the second compressor bank 16, and the low temperature side liquid of regenerator 14 goes out
Mouth is connected with the import of the second heat exchanger group 13, and the high temperature side fluid inlet of regenerator 14 is connected with the outlet of steam turbine 17
Logical, the high temperature side fluid issuing of regenerator 14 and the inlet communication of cooler 15, the outlet of cooler 15 and the second compressor bank
16 inlet communication, the outlet of the second heat exchanger group 13 and the inlet communication of steam turbine 17, steam turbine 17 pass through shafting with
Steam turbine generation machine 18 connects.The carbon dioxide of low-temp low-pressure compresses boosting through the second compressor bank 16, then through backheat
After the preheating of device 14 high temperature side liquid, enter the second heat exchanger group 13 and carry out heat exchange, after absorbing heat, be directly entered steam turbine 17
Acting, drives steam turbine generation machine 18 to generate electricity, after the weary gas after acting cools down through low temperature side liquid in regenerator 14, then by cold
But device 15 is cooled to required compressor bank inlet temperature, finally exports from cooler 15 and enters the second compressor bank 16, realizes
Closed cycle.
Further, the outlet of regenerator 14 with the inlet connecting branch road of vacuum tank 4 are provided with the first control valve f1,
On the outlet of vacuum tank 4 and the air intlet connecting line of burner 10, second control valve f2 is installed；Heat exchange in receptor 6
3rd control valve f3 is installed, in receptor 6 on working medium import and the connecting pipe of the heat-exchange working medium outlet of First Heat Exchanger group 8
The connecting pipe of heat-exchange working medium outlet of heat-exchange working medium import and regenerator 14 on the 5th control valve f5 is installed, in receptor
On 6 heat-exchange working medium outlet and the connecting pipe of heat-exchange working medium import of First Heat Exchanger group 8, the 4th control valve f4 is installed,
On the heat-exchange working medium outlet of receptor 6 and the connecting pipe of heat-exchange working medium import of regenerator 14, the 6th control valve f6 is installed,
The connecting pipe of the fuel inlet of outlet and the burner 10 of fuel storage device 9 is provided with the 7th control valve f7.
When wind energy conversion system works, open the first control valve f1, close the second control valve f2, Wind turbine 1 is passed by speed change
Dynamic device 2 drags the first compressor bank 3, and the first compressor bank 3 will be compressed from the extraneous air absorbing, and is formed and has high temperature
The compressed air of high pressure, the compressed air of High Temperature High Pressure enters in regenerator 14, the stream of supercritical carbon dioxide of heating low temperature side
Body, after heat exchange in regenerator 14, enters in vacuum tank 4, when gas turbine works, closes the first control valve f1, beat
Open the second control valve f2, the compressed air in vacuum tank 4 enters in combustor 10, with fuel mixed combustion.
The heat of solar energy can be automatically assigned to combustion engine fuel or supercritical carbon dioxide regenerator with demand, when need
When regenerator 14 to be given provides heat, close the 3rd control valve f3 and the 4th control valve f4, open the 5th control valve f5 and the 6th
Control valve f6, heat-exchange working medium absorbs heat in receptor 6, with regenerator 14 in the heat-exchange working medium entrance regenerator 14 after heat absorption
Low temperature side liquid carry out heat exchange, the working medium after heat exchange, after the outlet of the heat-exchange working medium of regenerator 14 is flowed out, reenters reception
Form circulation in device 6, when needing to heat combustion engine fuel, close the 5th control valve f5 and the 6th control valve f6, open the 3rd control
Valve f3 processed and the 4th control valve f4, heat-exchange working medium absorbs heat in receptor 6, and the heat-exchange working medium after heat absorption enters the first heat exchange
Carry out heat exchange with fuel, the working medium after heat exchange, after the heat exchanger exit of First Heat Exchanger group 8 flows out, reenters in device group 8
Form circulation in receptor 6, stored in the fuel incoming fuel storage device 9 after heat exchange, when gas turbine works, beat
Open the 7th control valve f7, fuel enters in combustor 10, carries out mixed combustion with compressed air.
The co of low-temp low-pressure2Gas, after the second compressor bank 16 compression boosting, enters backheat along low temperature side fluid line
Device 14, after the preheating of regenerator 14 high temperature side liquid, enters the second heat exchanger group 13 and carries out heat exchange, supercritical fluid absorbs heat
After amount, it is directly entered steam turbine 17 acting and drives steam turbine generation machine to generate electricity, the weary gas after acting is along high temperature side fluid hose
Road enters regenerator 14, after low temperature side liquid cooling in regenerator 14, enters cooler 15, is cooled to required by cooler 15
Compressor bank inlet temperature, finally from cooler outlet enter the second compressor bank 16, realize closed cycle.
In the wind-power compressed air system of the present invention, Wind turbine directly drives compressor bank to do by variable speed drive
Work(drags compressor bank by motor unit again it is not necessary to be converted into electric energy, decreases equipment, has saved cost.
Supercritical carbon dioxide (the s-co of the present invention2) in Bretton (brayton) Circulated power system, due to supercritical
Carbon dioxide (s-co2) in the range of certain operational factor, density is larger and no phase transformation, therefore with supercritical carbon dioxide (s-
co2) it is dynamical system compact equipment, the small volumes such as compressor, the gas-turbine of working medium, both cost-effective, save empty again
Between.
Claims (4)
1. a kind of combustion gas of utilization solar energy-supercritical carbon dioxide combined power electricity generation system it is characterised in that: include wind-force
Compressed air system, solar heating system, gas turbine generating system and supercritical carbon dioxide Brayton cycle generate electricity and are
System；Wherein,
Wind-power compressed air system includes Wind turbine (1) and vacuum tank (4), and this Wind turbine (1) passes through variable speed drive
Group (2) is connected with the first compressor bank (3), and the first compressor bank (3) is provided with air intake；
Solar heating system includes tower type solar heat collector, and this tower type solar heat collector includes heliostat (5), receptor
(6) and collection thermal tower (7), wherein, receptor (6) receives and is derived from heliostat (5) solar irradiation, and it is arranged on collection thermal tower (7)
Top, the heat-exchange working medium outlet of the heat-exchange working medium import of receptor (6) and First Heat Exchanger group (8) is connected, the changing of receptor (6)
Hot working fluid outlet is connected with the heat-exchange working medium import of First Heat Exchanger group (8), constitutes a closed circuit, First Heat Exchanger group
(8) it is provided with fuel gateway, the fuel outlet of First Heat Exchanger group (8) passes through the import of pipeline and fuel storage device (9)
Connect；
Gas turbine generating system includes burner (10), in the gas access of burner (10) and wind-power compressed air system
The gas outlet of vacuum tank (4) is connected, and the fuel inlet of burner (10) is filled with the fuel storage in solar heating system
The outlet putting (9) is connected, and the outlet of burner (10) is connected with the import of combustion gas turbine (11), the outlet of combustion gas turbine (11)
Import with the second heat exchanger group (13) is connected, and combustion gas turbine (11) is connected with gas turbine powered generator (12) by shafting；
Supercritical carbon dioxide Brayton cycle dynamical system includes regenerator (14), the outlet of the first compressor bank (3) with return
The air intlet of hot device (14) connects, and the air outlet slit of regenerator (14) is connected with the import of vacuum tank (4), receptor (6)
Heat-exchange working medium import is connected with the heat-exchange working medium outlet of regenerator (14), and the heat-exchange working medium of receptor (6) exports and regenerator
(14) heat-exchange working medium import connects, and constitutes a closed circuit, the low temperature side fluid intake of regenerator (14) and the second compression
The fluid issuing connection of unit (16), the low temperature side fluid issuing of regenerator (14) is connected with the import of the second heat exchanger group (13)
Logical, the outlet of the high temperature side fluid inlet of regenerator (14) and steam turbine (17), the high temperature side liquid of regenerator (14)
Outlet and the inlet communication of cooler (15), the inlet communication of the outlet of cooler (15) and the second compressor bank (16), second
The outlet of heat exchanger group (13) and the inlet communication of steam turbine (17), steam turbine (17) passes through shafting and compresses with second respectively
Unit (16) and steam turbine generation machine (18) connect.
2. the combustion gas of utilization solar energy according to claim 1-supercritical carbon dioxide combined power electricity generation system, it is special
Levy and be: in the outlet of regenerator (14) with the inlet connecting branch road of vacuum tank (4), the first control valve (f1), voltage stabilizing are installed
On the outlet of tank (4) and the air intlet connecting line of burner (10), the second control valve (f2) is installed；In receptor (6)
On heat-exchange working medium import and the connecting pipe of the heat-exchange working medium outlet of First Heat Exchanger group (8), the 3rd control valve (f3) is installed,
The connecting pipe that the heat-exchange working medium import of receptor (6) is exported with the heat-exchange working medium of regenerator (14) is provided with the 5th control
Valve (f5), in heat-exchange working medium outlet and the peace on the connecting pipe of the heat-exchange working medium import of First Heat Exchanger group (8) of receptor (6)
Equipped with the 4th control valve (f4), export the connection with the heat-exchange working medium import of regenerator (14) in the heat-exchange working medium of receptor (6)
6th control valve (f6) is provided with pipeline, in the company of the fuel inlet of outlet and the burner (10) of fuel storage device (9)
7th control valve (f7) is provided with adapter road.
3. the combustion gas of utilization solar energy according to claim 1-supercritical carbon dioxide combined power electricity generation system, it is special
Levy and be: it is working medium that supercritical carbon dioxide Brayton cycle dynamical system uses supercritical carbon dioxide.
4. the combustion gas of utilization solar energy according to claim 1-supercritical carbon dioxide combined power electricity generation system, it is special
Levy and be: in the second heat exchanger group (13), be additionally provided with exhanst gas outlet.
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| CN115869754A (en) * | 2022-12-27 | 2023-03-31 | 国网山东省电力公司东营供电公司 | Gas turbine-supercritical CO based on solar energy 2 Cyclic carbon capture system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101495828A (en) * | 2006-05-23 | 2009-07-29 | 克里奥斯塔股份有限公司 | Method and apparatus for the reliquefaction of a vapour |
| GB2470062A (en) * | 2009-05-08 | 2010-11-10 | Corac Group Plc | Production and Distribution of Natural Gas |
| CN102405390A (en) * | 2008-11-25 | 2012-04-04 | 泰克尼普法国公司 | Method for producing a stream of subcooled liquefied natural gas using a natural gas feedstream, and associated facility |
-
2014
- 2014-09-24 CN CN201410494094.2A patent/CN104405599B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101495828A (en) * | 2006-05-23 | 2009-07-29 | 克里奥斯塔股份有限公司 | Method and apparatus for the reliquefaction of a vapour |
| CN102405390A (en) * | 2008-11-25 | 2012-04-04 | 泰克尼普法国公司 | Method for producing a stream of subcooled liquefied natural gas using a natural gas feedstream, and associated facility |
| GB2470062A (en) * | 2009-05-08 | 2010-11-10 | Corac Group Plc | Production and Distribution of Natural Gas |
Non-Patent Citations (2)
| Title |
|---|
| 中国液化天然气的发展;顾安忠;《石油化工技术经济》;20040225;第19卷(第1期);1-7 * |
| 超临界二氧化碳压缩机关键技术研究;吴炯;《北京化工大学》;20130529;59-60 * |
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