CN108661869B - A kind of solar energy-natural gas fuel cell multi-mode combined cycle generating unit - Google Patents
A kind of solar energy-natural gas fuel cell multi-mode combined cycle generating unit Download PDFInfo
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- CN108661869B CN108661869B CN201810401589.4A CN201810401589A CN108661869B CN 108661869 B CN108661869 B CN 108661869B CN 201810401589 A CN201810401589 A CN 201810401589A CN 108661869 B CN108661869 B CN 108661869B
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- 239000000446 fuel Substances 0.000 title claims abstract description 53
- 239000003345 natural gas Substances 0.000 title claims abstract description 43
- 238000002485 combustion reaction Methods 0.000 claims abstract description 70
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 58
- 238000010248 power generation Methods 0.000 claims abstract description 42
- 239000007787 solid Substances 0.000 claims abstract description 29
- 239000002918 waste heat Substances 0.000 claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 230000005611 electricity Effects 0.000 claims abstract description 14
- 239000004449 solid propellant Substances 0.000 claims abstract description 14
- 230000005855 radiation Effects 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 239000001257 hydrogen Substances 0.000 claims description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims description 10
- 150000002431 hydrogen Chemical class 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 241001424688 Enceliopsis Species 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 206010012373 Depressed level of consciousness Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000013529 heat transfer fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000010025 steaming 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
- F03G6/06—Devices for producing mechanical power from solar energy with solar energy concentrating means
- F03G6/064—Devices for producing mechanical power from solar energy with solar energy concentrating means having a gas turbine cycle, i.e. compressor and gas turbine combination
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- 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
- F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
- F01K11/02—Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
-
- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
-
- 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
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- 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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Sustainable Development (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Combustion & Propulsion (AREA)
- Sustainable Energy (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a kind of solar energy-natural gas fuel cell multi-mode combined cycle generating units, it include heliostat field and tower type solar recipient including solar energy heating circuit, high temperature solar combustion engine circulating generation circuit, solid fuel cell power generation circuit and Steam Power Circulation power generation circuit, the solar energy heating circuit.The present invention comprehensively utilizes natural gas, solar energy, it can carry out combustion engine circulation, solid oxide fuel cell, a variety of forms of electricity generation such as Steam Power Circulation, innovation is using solar energy auxiliary combustion engine circulation, improve fuel engine power generation efficiency, and solid oxide fuel cell power generation and Steam Power Circulation power generation are carried out using the waste heat of combustion engine turbine, device can also be according to intensity of solar radiation situation, flexible choice power generation mode, both simple solar energy thermal-power-generating mode can be used, solar energy auxiliary combustion engine circulation can also be used, the various modes such as solar energy combustion engine fuel cell circulation.
Description
Technical field
The present invention relates to high efficiency of energy to utilize technical field more particularly to a kind of solar energy-natural gas fuel cell multi-mode
Combined cycle generating unit.
Background technique
Gas turbine combined cycle power plant be by gas turbine direct drive generator, and by combustion engine be discharged high-temperature flue gas
It is sent into waste heat boiler, the steam of high temperature and pressure is produced in waste heat boiler, then goes driving steam turbine power generation, combustion engine, which is combined, to be followed
Ring has many advantages, such as that starting speed is fast, high-efficient, but simple combustion engine combined cycle completely consumes natural gas, and belonging to can not be again
The raw energy.
Tower type solar high-temperature heat-gathering technology is by solar light focusing using the heliostat array that can automatically track to pacifying
Be placed on the receiver on high tower, heat-transfer fluid in receiver absorbs solar radiant energy, and compare slot type and dish-style, it is tower too
Positive energy heat generating system has light concentrating times are high, energy is concentrated, heatsink area is small, unit capacity is big, efficiency is higher etc.
Advantage, but simple solar energy heat utilization receives the influence of Changes in weather, obnubilation, rainy weather or night then entirely without
Method provides energy.
Solid oxide fuel cell is a kind of chemical energy being directly stored in fuel and oxidant under high temperature
Efficiently, environmentally friendly it is converted to all solid state chemical generated device of electric energy, but it has and could work under the high temperature conditions
The shortcomings that, limit its extensive use.
A kind of photovoltaic and photothermal hybrid power plant systems in the prior art carry out thermal-arrest using tower type solar, heat accumulation driving is steamed
Vapour power cycle；A kind of multi-mode groove type solar Bretton thermal electric generator, using trough type solar heat-collector carry out thermal-arrest,
Heat accumulation can drive Organic Rankine Cycle, combustion gas Brayton cycle, but groove type solar heat-collecting temperature is restricted；It is a kind of
Solar heat power generation system in conjunction with combustion gas, Steam Power Circulation electricity generation system uses combustion engine and Steam Combined Cycle is sent out
Electricity, but it only has solar energy heating assisted gas-Steam Combined Cycle operational mode.
Summary of the invention
Goal of the invention: it is an object of the present invention to provide a kind of solar energy-natural gas fuel cell multi-mode combined cycle generation dresses
It sets.
Technical solution: the present invention includes solar energy heating circuit, high temperature solar combustion engine circulating generation circuit, solid fuel
Cell power generation circuit and Steam Power Circulation power generation circuit, the solar energy heating circuit includes heliostat field and the tower sun
It can recipient；
The high temperature solar combustion engine circulating generation circuit includes air filter, the outlet point of the air filter
It is not connect with air blower and air compressor, the outlet of air blower is connect with tower type solar receiver, and air compressor passes through
First air valve is connect with tower type solar receiver, is connect by the second air valve with combustion chamber, tower type solar receiver
Outlet be separately connected combustion chamber and third valve, the combustion chamber is connect by the 4th valve with natural gas pressure regulating station, burning
The outlet of room and compressor is connect with combustion engine turbine, and combustion engine turbine is connect with the first generator；
The solid fuel cell power generation circuit includes natural gas pressure regulating station, and the natural gas pressure regulating station passes through the 5th valve
It is connect with natural gas shift device for producing hydrogen, the outlet of natural gas shift device for producing hydrogen is connect with solid fuel cell group, solid combustion
The outlet of material battery pack is connect with the 6th valve, and the outlet of tower type solar receiver connects solid fuel electricity by third valve
Pond group, the outlet of combustion engine turbine exhaust connect solid fuel cell group by the 7th valve；
The steam circulation power generation circuit includes combustion engine turbine, and the combustion engine turbine exhaust outlet is connected by the 8th valve
Connect after solid fuel cell group with waste heat boiler, the outlet of combustion engine turbine exhaust is also connected with the 9th valve, waste heat boiler with give
Water heater and steam turbine connection, steam turbine are connect with the second generator, and the outlet of steam turbine is connected by condenser
Feed pump, water supply pump discharge are connect with feed-water heater, feed-water heater outlet connection waste heat boiler.
When intensity of solar radiation is enough, steam circulation is pushed directly on using the high temperature heat source that tower type solar generates and is sent out
Electricity.
When intensity of solar radiation is enough, solid oxide fuel is directly heated using the high temperature heat source that tower type solar generates
Battery pack generates electricity.
The solid oxide fuel cell stack power generation needs 500~700 DEG C of high temperature heat source.
The waste heat of the solid oxide fuel cell stack heating is able to carry out Steam Power Circulation power generation.
When intensity of solar radiation is inadequate, air is heated using the heat source that tower type solar generates, is mixed with natural gas laggard
Row combustion engine circulating generation.
The heat source for heating air that solar energy generates is to 800~900 DEG C.
The waste heat of the combustion engine turbine is able to carry out Steam Power Circulation power generation.
The tower type solar recipient uses air as circulatory mediator.
The utility model has the advantages that the present invention comprehensively utilizes natural gas, solar energy, combustion engine circulation, solid oxide fuel can be carried out
A variety of forms of electricity generation such as battery, Steam Power Circulation, innovation improve fuel engine power generation efficiency using solar energy auxiliary combustion engine circulation,
And solid oxide fuel cell power generation is carried out using the waste heat of combustion engine turbine and Steam Power Circulation generates electricity, device can be with
According to intensity of solar radiation situation, flexible choice power generation mode both can be used simple solar energy thermal-power-generating mode, can also be used
Solar energy assists the various modes such as combustion engine circulation, solar energy combustion engine fuel cell circulation.
Detailed description of the invention
Fig. 1 is total system schematic diagram of the invention；
Fig. 2 is the independent power generation mode schematic diagram of solar energy of the invention；
Fig. 3 is Driven by Solar Energy fuel cell-Steam Power Circulation mode schematic diagram of the invention；
Fig. 4 is combustion gas-steam of the invention-fuel cell circulating generation pattern diagram；
Fig. 5 is solar energy auxiliary combustion engine-fuel cell-Steam Power Circulation pattern diagram of the invention.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
As shown in Figure 1, the present invention includes solar energy heating circuit, high temperature solar combustion engine circulating generation circuit, solid combustion
Expect cell power generation circuit and Steam Power Circulation power generation circuit.Solar energy heating circuit includes heliostat field 4 and tower type solar
Recipient 5, tower type solar recipient 5 use air as its circulatory mediator.The present invention can provide plurality of operating modes: when
When intensity of solar radiation is enough, using tower type solar generate high temperature heat source push directly on steam circulation carry out power generation or directly
Heating solid oxide fuel cell group generates electricity, and it is dynamic that the waste heat of solid oxide fuel cell stack heating is able to carry out steam
Power circulating generation；When intensity of solar radiation is inadequate, air is heated using the heat source that tower type solar generates, and mixed with natural gas
Combustion engine circulating generation is carried out after conjunction, the waste heat of combustion engine turbine is equally able to carry out Steam Power Circulation power generation.
It is illustrated in figure 2 the independent power generation mode of solar energy, in intensity of solar radiation abundance, heliostat field 4 is automatically tracked
The sun focuses on sunray on tower type solar recipient 5, and air is sent into air blower 111 by air filter 1, and
It exchanges heat to tower type solar recipient 5, is sent to waste heat after third valve 16, the 7th valve 17 and the 8th valve 18 later
Device of working medium is heated in boiler 19, high temperature air goes successively to feed-water heater 20 and heat water supply after waste heat boiler 19, remaining
The superheated steam that heat boiler 19 generates enters steam turbine 21, driving the second generator 22 acting power generation, the steaming of steam turbine 21
Vapour is condensed by condenser 23, and condensed water is sent to the heating of feed-water heater 20 by feed pump 24, and then is sent to waste heat pot
Furnace 19 continues to heat, and superheated steam is generated after overheat, carries out Steam Power Circulation power generation.
It is illustrated in figure 3 Driven by Solar Energy fuel cell-Steam Power Circulation mode, heliostat field 4 automatically tracks too
Sun focuses on sunray on tower type solar recipient 5, and air is sent to air blower 111 by air filter 1, and
It exchanges heat to tower type solar recipient 5；The natural gas at natural gas pressure regulating station 10 is sent to natural gas by the 5th valve 12
Device for producing hydrogen 13 is converted, is sent to solid oxide fuel cell stack 14 after being converted into hydrogen, while receiving with tower type solar
Air after the heating of device 5, is sent to solid oxide fuel cell stack 14 through third valve 16 and carries out reaction power generation, solid oxidation
The power generation of object fuel cell unit 14 needs 500~700 DEG C of high temperature heat source, the product oxygen of solid oxide fuel cell stack 14 and
Water is discharged by the 6th valve 15.The heat that solid oxide fuel cell stack 14 generates enters waste heat boiler 19 and water supply heating
Device 20, the superheated steam that waste heat boiler 19 generates enter steam turbine 21, driving the second generator 22 acting power generation, steam turbine
21 steam is condensed by condenser 23, and condensed water is sent to the heating of feed-water heater 20 by feed pump 24, and then is sent to
Waste heat boiler 19 continues to heat, and superheated steam is generated after overheat, carries out Steam Power Circulation power generation.
At rainy weather or night, solar energy does not have combustion gas-steam-fuel cell circulating generation when use condition
Mode, as shown in Figure 4.Air enters air compressor 2 by air filter 1, by the second valve 6, into combustion chamber 7,
Meanwhile natural gas enters combustion chamber 7 by the 4th valve 11, is mixed and burned with air, one behind natural gas pressure regulating station 10
It rises and pushes combustion engine turbine 8, combustion engine turbine 8 drives the first generator 9 to carry out controlling gas-combustion power circulation power generation.The exhaust of combustion engine turbine 8
It is sent to solid oxide fuel cell stack 14 by the 7th valve 17 to be heated, the natural gas at natural gas pressure regulating station 10 passes through
5th valve 12 is sent to natural gas shift device for producing hydrogen 13, after being converted into hydrogen, is sent to solid oxide fuel cell stack
14, the exhaust heat of combustion engine turbine 8 carries out reacting power generation, solid oxide fuel electricity with solid oxide fuel cell stack 14
The product oxygen and water of pond group 14 are discharged through the 6th valve 15.The exhaust heat of combustion engine turbine 8 is by solid oxide fuel electricity
After pond group 14 utilizes, continue to heat and enter waste heat boiler 19 and feed-water heater 20, the superheated steam that waste heat boiler 19 generates
Into steam turbine 21, the acting power generation of the second generator 22 is driven, the steam of steam turbine 21 is condensed by condenser 23, cold
Condensate is sent to the heating of feed-water heater 20 by feed pump 24, and then is sent to waste heat boiler 19 and continues to heat, and produces after overheat
Raw superheated steam can pass through the 8th valve when heat is inadequate using the waste heat driving Steam Power Circulation of combustion engine turbine 8
18 carry out additional heat.In such a mode, combustion gas-fuel cell circulation can also be individually used, passes through the 8th valve at this time
181 discharge flue gases.
It is illustrated in figure 5 solar energy auxiliary combustion engine-fuel cell-Steam Power Circulation mode.Heliostat field 4 automatically with
The track sun focuses on sunray on tower type solar recipient 5, and air is sent to air compression by air filter 1
Machine 2, and exchange heat to tower type solar recipient 5, using solar energy heating to 800~900 DEG C of high temperature air, send later
Enter combustion chamber 7, meanwhile, natural gas enters combustion chamber 7 through the 4th valve 11 by natural gas pressure regulating station 10, is mixed with air
Combination burning, pushes combustion engine turbine 8, and combustion engine turbine 8 drives the first generator 9 to carry out controlling gas-combustion power circulation power generation.Combustion engine turbine 8
Exhaust is sent to solid oxide fuel cell stack 14 by the 7th valve 17 and is heated, meanwhile, natural gas pressure regulating station 10
Natural gas is sent to natural gas shift device for producing hydrogen 13 by the 5th valve 12, is sent to soild oxide combustion after being converted into hydrogen
Expect battery pack 14, the exhaust heat of combustion engine turbine 8 carries out reacting power generation, soild oxide with solid oxide fuel cell stack 14
The product oxygen and water of fuel cell unit 14 are discharged by the 6th valve 15.The exhaust heat of combustion engine turbine 8 is by solid oxidation
After object fuel cell unit 14 utilizes, discharge is to waste heat boiler 19 and feed-water heater 20, the superheated steam of the generation of waste heat boiler 19
Into steam turbine 21, the acting power generation of the second generator 22 is driven, the steam of steam turbine 21 is condensed by condenser 23, cold
Condensate is sent to the heating of feed-water heater 20 by feed pump 24, and then is sent to waste heat boiler 19 and continues to heat, and produces after overheat
Raw superheated steam, drives Steam Power Circulation, when heat is inadequate, can carry out additional heat by the 8th valve 18.
Claims (9)
1. a kind of solar energy-natural gas fuel cell multi-mode combined cycle generating unit, including solar energy heating circuit, special
Sign is: further including that high temperature solar combustion engine circulating generation circuit, solid fuel cell power generation circuit and Steam Power Circulation are sent out
Electrical circuit, the solar energy heating circuit include heliostat field (4) and tower type solar receiver (5)；
The high temperature solar combustion engine circulating generation circuit includes air filter (1), the outlet of the air filter (1)
It is connect respectively with air blower (111) and air compressor (2), the outlet and tower type solar receiver (5) of air blower (111) are even
It connects, air compressor (2) is connect by the first air valve (3) with tower type solar receiver (5), is passed through the second air valve (6)
It is connect with combustion chamber (7), the outlet of tower type solar receiver (5) is separately connected combustion chamber (7) and third valve (16), described
Combustion chamber (7) is connect by the 4th valve (11) with natural gas pressure regulating station (10), and combustion chamber (7) and air compressor (2) go out
Mouth is connect with combustion engine turbine (8), and combustion engine turbine (8) is connect with the first generator (9)；
The solid fuel cell power generation circuit includes natural gas pressure regulating station (10), and the natural gas pressure regulating station (10) passes through the 5th
Valve (12) is connect with natural gas shift device for producing hydrogen (13), the outlet of natural gas shift device for producing hydrogen (13) and solid fuel electricity
Pond group (14) connection, the outlet of solid fuel cell group (14) are connect with the 6th valve (15), tower type solar receiver (5)
Outlet passes through the 7th valve by third valve (16) connection solid fuel cell group (14), the air exit of combustion engine turbine (8)
(17) solid fuel cell group (14) are connected；
The steam circulation power generation circuit includes combustion engine turbine (8), and the air exit of the combustion engine turbine (8) passes through the 8th valve
(18) connection solid fuel cell group (14) is connect with waste heat boiler (19) afterwards, and combustion engine turbine (8) air exit is also connected with the
Nine valves (181), waste heat boiler (19) are connect with feed-water heater (20) and steam turbine (21), steam turbine (21) and second
The outlet of generator (22) connection, steam turbine (21) passes through condenser (23) connection feed pump (24), feed pump (24) outlet
It is connect with feed-water heater (20), feed-water heater (20) outlet connection waste heat boiler (19).
2. solar energy-natural gas fuel cell multi-mode combined cycle generating unit according to claim 1, feature exist
In: when intensity of solar radiation is enough, steam circulation is pushed directly on using the high temperature heat source that tower type solar generates and is generated electricity.
3. solar energy-natural gas fuel cell multi-mode combined cycle generating unit according to claim 1, feature exist
In: when intensity of solar radiation is enough, solid oxide fuel cell is directly heated using the high temperature heat source that tower type solar generates
Group (14) generates electricity.
4. solar energy-natural gas fuel cell multi-mode combined cycle generating unit according to claim 1 or 3, feature
Be: solid oxide fuel cell stack (14) power generation needs 500~700 DEG C of high temperature heat source.
5. solar energy-natural gas fuel cell multi-mode combined cycle generating unit according to claim 1 or 3, feature
Be: the waste heat of solid oxide fuel cell stack (14) heating is able to carry out Steam Power Circulation power generation.
6. solar energy-natural gas fuel cell multi-mode combined cycle generating unit according to claim 1, feature exist
In: when intensity of solar radiation is inadequate, air is heated using the heat source that tower type solar generates, carries out combustion engine after mixing with natural gas
Circulating generation.
7. solar energy-natural gas fuel cell multi-mode combined cycle generating unit according to claim 6, feature exist
In: the heat source for heating air that solar energy generates is to 800~900 DEG C.
8. solar energy-natural gas fuel cell multi-mode combined cycle generating unit according to claim 1, feature exist
In: the waste heat of the combustion engine turbine (8) is able to carry out Steam Power Circulation power generation.
9. solar energy-natural gas fuel cell multi-mode combined cycle generating unit according to claim 1, feature exist
In: the tower type solar receiver (5) uses air as circulatory mediator.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810401589.4A CN108661869B (en) | 2018-04-28 | 2018-04-28 | A kind of solar energy-natural gas fuel cell multi-mode combined cycle generating unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810401589.4A CN108661869B (en) | 2018-04-28 | 2018-04-28 | A kind of solar energy-natural gas fuel cell multi-mode combined cycle generating unit |
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| Publication Number | Publication Date |
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| CN108661869A CN108661869A (en) | 2018-10-16 |
| CN108661869B true CN108661869B (en) | 2019-06-18 |
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| CN112922686B (en) * | 2021-01-21 | 2022-08-19 | 青岛科技大学 | Gas-steam combined cycle composite power generation system integrating solar energy and MCFC |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203242705U (en) * | 2013-03-06 | 2013-10-16 | 中国石油天然气股份有限公司 | Small hydrogen production and power generation equipment |
| CN103925178A (en) * | 2013-01-15 | 2014-07-16 | 中国科学院工程热物理研究所 | Solar energy combined cycle power generation system for variable irradiation regulation |
| CN204572366U (en) * | 2015-02-09 | 2015-08-19 | 南京瑞柯徕姆环保科技有限公司 | Enclosed Boulez is adopted to pause the tower-type solar thermal power generating system of circulation |
| CN107276126A (en) * | 2017-07-21 | 2017-10-20 | 中国华能集团清洁能源技术研究院有限公司 | A kind of electric heating cold air based on fuel cell is provided multiple forms of energy to complement each other energy supplying system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925178A (en) * | 2013-01-15 | 2014-07-16 | 中国科学院工程热物理研究所 | Solar energy combined cycle power generation system for variable irradiation regulation |
| CN203242705U (en) * | 2013-03-06 | 2013-10-16 | 中国石油天然气股份有限公司 | Small hydrogen production and power generation equipment |
| CN204572366U (en) * | 2015-02-09 | 2015-08-19 | 南京瑞柯徕姆环保科技有限公司 | Enclosed Boulez is adopted to pause the tower-type solar thermal power generating system of circulation |
| CN107276126A (en) * | 2017-07-21 | 2017-10-20 | 中国华能集团清洁能源技术研究院有限公司 | A kind of electric heating cold air based on fuel cell is provided multiple forms of energy to complement each other energy supplying system and method |
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