CN110500808A - Electric cold supply system - Google Patents
Electric cold supply system Download PDFInfo
- Publication number
- CN110500808A CN110500808A CN201810467948.6A CN201810467948A CN110500808A CN 110500808 A CN110500808 A CN 110500808A CN 201810467948 A CN201810467948 A CN 201810467948A CN 110500808 A CN110500808 A CN 110500808A
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- Prior art keywords
- outlet
- heat exchanger
- gas
- import
- hot side
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- 239000000446 fuel Substances 0.000 claims abstract description 122
- 230000008676 import Effects 0.000 claims abstract description 121
- 239000007789 gas Substances 0.000 claims abstract description 96
- 239000002994 raw material Substances 0.000 claims abstract description 58
- 239000002918 waste heat Substances 0.000 claims abstract description 55
- 239000000567 combustion gas Substances 0.000 claims abstract description 54
- 238000010248 power generation Methods 0.000 claims abstract description 48
- 238000002485 combustion reaction Methods 0.000 claims abstract description 45
- 238000005057 refrigeration Methods 0.000 claims abstract description 32
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 62
- 239000000243 solution Substances 0.000 claims description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 55
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 42
- 239000003546 flue gas Substances 0.000 claims description 42
- 230000005611 electricity Effects 0.000 claims description 36
- 229910021529 ammonia Inorganic materials 0.000 claims description 31
- 239000006096 absorbing agent Substances 0.000 claims description 22
- 239000000815 hypotonic solution Substances 0.000 claims description 14
- 230000001590 oxidative effect Effects 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 239000007800 oxidant agent Substances 0.000 claims description 6
- 238000010025 steaming Methods 0.000 claims description 3
- 239000005864 Sulphur Substances 0.000 claims description 2
- 239000002737 fuel gas Substances 0.000 abstract description 11
- 230000001105 regulatory effect Effects 0.000 abstract description 6
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 18
- 235000011114 ammonium hydroxide Nutrition 0.000 description 18
- 239000000908 ammonium hydroxide Substances 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 8
- 238000003487 electrochemical reaction Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Inorganic materials [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000002407 reforming Methods 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004781 supercooling Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 150000002927 oxygen compounds Chemical class 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
Classifications
-
- 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
- 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
- F01K23/06—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 combustion heat from one cycle heating the fluid in another cycle
- F01K23/10—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 combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
-
- 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
- F02C6/18—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use using the waste heat of gas-turbine plants outside the plants themselves, e.g. gas-turbine power heat plants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
- F25B25/02—Compression-sorption machines, plants, or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
-
- 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
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
-
- 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
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
- H01M8/04022—Heating by combustion
-
- 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
- H01M8/0612—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
- H01M8/0618—Reforming processes, e.g. autothermal, partial oxidation or steam reforming
-
- 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
- H01M8/0662—Treatment of gaseous reactants or gaseous residues, e.g. cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
- F25B15/04—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being ammonia evaporated from aqueous solution
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
-
- 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
- Y02E20/14—Combined heat and power generation [CHP]
-
- 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)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Energy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a kind of electric cold supply systems, electric cold supply system includes: raw material supply subsystem, fuel cell power generation subsystem, gas turbine power generation subsystem, Rankine cycle power generation sub-system, refrigeration subsystem, raw material supply subsystem has raw material heat exchanger group for supplying raw material to the fuel cell of fuel cell power generation subsystem；Wherein the gas outlet of fuel cell is connected with the fuel gas inlet of combustion chamber；The outlet of combustion gas turbine is connected with the hot side import of the hot side import of raw material heat exchanger group and waste heat boiler, and the hot side outlet of raw material heat exchanger group is connected with the hot side import of waste heat boiler；The cold side import of waste heat boiler and the outlet of steam turbine are connected with refrigeration subsystem respectively.Electric cold supply system of the invention, refrigeration subsystem and multiple power generation sub-systems are of coupled connections, the effective use of high, medium and low temperature-heat-source may be implemented, the utilization rate of fuel is high, and passes through the adjustable cold electric ratio of the capacity of two branches of regulating gas turbine exhaust.
Description
Technical field
The invention belongs to field of energy utilization, in particular to a kind of electric cold supply system.
Background technique
Solid oxide fuel cell (SOFC) is a kind of power generator of high-efficiency cleaning, belongs to the one of high-temperature fuel cell
Kind.Due to its generating efficiency height, it is input fuel that the common combustion gas such as pipe natural gas, town gas, which can be used, can be according to demand
Size modular combination uses, and rejection temperature is high, and UTILIZATION OF VESIDUAL HEAT IN value is higher, therefore has in distributed energy supply field biggish
Exploitative potential.
Since SOFC delivery temperature is up to 800 DEG C or more, there is stronger acting ability, returned so if directly carrying out heat
Maximally utilizing for its energy value will be difficult to realize by receiving utilization.And there are also imperfect combustion fuel gas in exhaust, because
This, existing some ways are to carry out doing function by being sent into minitype gas turbine (GT) after the full combustion of combustion chamber by SOFC exhaust
The recycling (i.e. SOFC+GT circulation) of power, to improve the generating efficiency of whole system.
Minitype gas turbine exhaust is sensible heat heat source up to 300 DEG C, and in the related technology, minitype gas turbine exhaust is straight
It connects for freezing, utilization rate is not high, and can not adjust the ratio of refrigerating capacity and generated energy, and there are rooms for improvement.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes a kind of electricity
The utilization rate of cold supply system, the electricity cold supply system fuel is high, and adjustable cold electric ratio.
Electricity cold supply system according to an embodiment of the present invention, comprising: raw material supply subsystem, fuel cell power generation subsystem
System, gas turbine power generation subsystem, Rankine cycle power generation sub-system, refrigeration subsystem, the raw material supply subsystem be used for
The fuel cell of the fuel cell power generation subsystem supplies raw material, and has raw material heat exchanger group；The gas turbine power generation
Subsystem includes connected combustion chamber, combustion gas turbine and the first generator；The Rankine cycle power generation sub-system includes connected
Waste heat boiler, steam turbine and the second generator；The wherein import phase of the gas outlet of the fuel cell and the combustion chamber
Even；Outlet and the hot side import of the raw material heat exchanger group and the hot side import phase of the waste heat boiler of the combustion gas turbine
Even, the hot side outlet of the raw material heat exchanger group is connected with the hot side import of the waste heat boiler；The cold side of the waste heat boiler
Import and the outlet of the steam turbine are connected with the refrigeration subsystem respectively.
Electric cold supply system of the invention, refrigeration subsystem and multiple power generation sub-systems are of coupled connections, may be implemented it is high,
In, the effective use of low-temperature heat source, the utilization rate of fuel is high, and the capacity of two branches by regulating gas turbine exhaust
Adjustable cold electric ratio.
Electricity cold supply system according to an embodiment of the invention, the gas turbine power generation subsystem further include flue gas point
Flow device, the import of the flue gas shunting device is connected with the outlet of the combustion gas turbine, the first outlet of the flue gas shunting device and
The hot side import of the raw material heat exchanger group is connected, the second outlet and the hot side import phase of waste heat boiler of the flue gas shunting device
Even.
Electricity cold supply system according to an embodiment of the invention, the raw material heat exchanger group includes: reformer, described heavy
For being passed through fuel, the fuel outlet of the reformer is connected with the anode inlet of the fuel cell for the fuel inlet of whole device；
Gas-gas heat exchanger, for being passed through oxidizing gas, the cold side of the gas-gas heat exchanger goes out the cold side import of the gas-gas heat exchanger
Mouth is connected with the cathode inlet of the fuel cell；Air-water heat exchanger, the cold side import of the air-water heat exchanger are used to be passed through water,
The cold side outlet port of the air-water heat exchanger is connected with the water inlet of the reformer；The wherein gas inlet of the reformer and institute
The outlet for stating combustion gas turbine is connected, and the exhanst gas outlet of the reformer is connected with the hot side import of the gas-gas heat exchanger, described
The hot side outlet of gas-gas heat exchanger is connected with the hot side import of the air-water heat exchanger, the hot side outlet of the air-water heat exchanger with
The hot side import of the waste heat boiler is connected.
Electricity cold supply system according to an embodiment of the invention, the raw material supply subsystem includes: fuel compressor,
The outlet of the fuel compressor is connected with the fuel inlet of the reformer；Air compressor machine, the outlet of the air compressor machine with it is described
The cold side import of gas-gas heat exchanger is connected；The outlet of water pump, the water pump is connected with the cold side import of the air-water heat exchanger.
Electricity cold supply system according to an embodiment of the invention, the cold side outlet port of the gas-gas heat exchanger and the burning
The oxidant inlet of room is connected, and the outlet of the fuel compressor is connected with the fuel inlet of the combustion chamber.
Electricity cold supply system according to an embodiment of the invention, the raw material supply subsystem further include: devulcanizer, institute
Devulcanizer is stated to be connected between the outlet of the fuel compressor and the fuel inlet of the reformer.
Electricity cold supply system according to an embodiment of the invention, the outlet of the combustion chamber and the combustion gas turbine into
The hot side import of mouth and the raw material heat exchanger group is connected.
Electricity cold supply system according to an embodiment of the invention, the Rankine cycle power generation sub-system further include: steam
Current divider, the import of the steam diverter are connected with the cold side outlet port of the waste heat boiler, and the first of the steam diverter
Outlet is connected with the import of the steam turbine, the outlet phase of the second outlet of the steam diverter and the steam turbine
Even.
Electricity cold supply system according to an embodiment of the invention, the second outlet of the steam diverter and the steam
Steam valve is equipped between the outlet of turbine.
Electricity cold supply system according to an embodiment of the invention, the refrigeration subsystem includes: reboiler, hypotonic solution
Pump, solution heat exchanger, rectifying column, the second condenser, subcooler, ammonia throttle valve, evaporator, absorber and solution throttle valve；Its
Described in the hot side import of reboiler be connected with the outlet of the steam turbine, the hot side outlet of the reboiler and the Rankine
The hot side import of first condenser of circulating generation subsystem is connected, and the hot side outlet of first condenser passes through the Rankine
The high-pressure solution pump of circulating generation subsystem is connected with the cold side import of the waste heat boiler, the reboiler cold side outlet port and institute
The hot side import for stating solution heat exchanger is connected, and the hot side outlet of the solution heat exchanger passes through the solution throttle valve and the suction
The hot side import for receiving device is connected, and the hot side outlet of the absorber is pumped cold with the solution heat exchanger by the hypotonic solution
Side-entrance is connected, and the cold side outlet port of the solution heat exchanger is connected with the import of the rectifying column, and the steam of the rectifying column goes out
Mouthful be connected with the hot side import of second condenser, the hot side of the hot side outlet of second condenser and the subcooler into
Mouth is connected, and the hot side outlet of the subcooler is connected by the ammonia throttle valve with the cold side import of the evaporator, the steaming
The cold side outlet port of hair device is connected with the cold side import of the subcooler, the heat of the cold side outlet port of the subcooler and the absorber
Side-entrance is connected.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of electric cold supply system according to an embodiment of the present invention.
Appended drawing reference:
Fuel compressor 1, devulcanizer 2, reformer 3, water pump 4, air-water heat exchanger 5, air compressor machine 6, gas-gas heat exchanger 7；
Fuel cell 8, inverter 9；
Combustion chamber 10, combustion gas turbine 11, the first generator 12, flue gas shunting device 13；
Waste heat boiler 14, steam diverter 15, steam turbine 16, the second generator 17；
Steam valve 18, reboiler 19, the first condenser 20, high-pressure solution pump 21, hypotonic solution pump 22, solution heat exchanger
23, rectifying column 24, the second condenser 25, subcooler 26, ammonia throttle valve 27, evaporator 28, absorber 29 and solution throttle valve 30.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.In addition, limit
There is the feature of " first ", " second " to can explicitly or implicitly include one or more of the features surely.Of the invention
In description, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Electric cold supply system according to an embodiment of the present invention is described below with reference to Fig. 1.
As shown in Figure 1, electric cold supply system includes: raw material supply subsystem, fuel cell power generation subsystem, combustion gas turbine
Power generation sub-system, Rankine cycle power generation sub-system, refrigeration subsystem.
Raw material supply subsystem is used to supply raw material to the fuel cell 8 of fuel cell power generation subsystem, such as fuel electricity
When pond 8 is solid oxide fuel cell, raw material may include the common fuels such as pipe natural gas, town gas, water, oxidant
It can be air Deng, oxidant, raw material supply subsystem has raw material heat exchanger group, and raw material heat exchanger group may include multiple sons
Heat exchanger, raw material heat exchanger group are used to heat to raw material.
Fuel cell power generation subsystem may include fuel cell 8 and inverter 9, the raw material that raw material supply subsystem provides
Electrochemical reaction occurs in fuel cell 8, produces electricl energy, fuel cell 8 can be solid oxide fuel cell, solid oxygen
Compound fuel cell is a kind of power generator of high-efficiency cleaning, belongs to one kind of high-temperature fuel cell, and generating efficiency is high.
Gas turbine power generation subsystem includes combustion chamber 10, combustion gas turbine 11 and the first generator 12, the combustion of fuel cell 8
Gas outlet is connected with the import of combustion chamber 10, and the flue gas that fuel cell 8 is discharged, which can enter in combustion chamber 10, further to burn, and fires
The outlet for burning room 10 is connected with the import of combustion gas turbine 11, and combustion gas turbine 11 is connect with 12 power coupling of the first generator, combustion gas
Turbine 11 can drive the first generator 12 to generate electricity.
The outlet of combustion gas turbine 11 is connected with the hot side import of raw material heat exchanger group, a part of cigarette that combustion gas turbine 11 is discharged
Gas is used to heat raw material by raw material heat exchanger group.
Rankine cycle power generation sub-system includes waste heat boiler 14, steam turbine 16 and the second generator 17, combustion gas turbine 11
Outlet be connected with the hot side import of waste heat boiler 14, the hot side import of the hot side outlet of raw material heat exchanger group and waste heat boiler 14
It is connected, exhaust gas, the import of the cold side outlet port and steam turbine 16 of waste heat boiler 14 can be discharged in the hot side outlet of waste heat boiler 14
It is connected, the steam of the cold side outlet port output of waste heat boiler 14 can drive steam turbine 16 to move, steam turbine 16 and the second hair
The connection of 17 power coupling of motor, steam turbine 16 can drive the second generator 12 to generate electricity.The steam that steam turbine 16 is discharged can
To recycle the cold side import for flowing back to waste heat boiler 14.
That is, the outlet of combustion gas turbine 11 and raw material heat exchanger group hot side import and waste heat boiler 14 hot side into
Mouth is connected, and in other words, the exhaust of combustion gas turbine 11 is divided into two branches, and the flue gas in a branch is first and after unstripped gas heat exchange
Waste heat boiler 14 is entered back into, the flue gas in another branch is directly entered waste heat boiler 14, in this way, both can guarantee waste heat boiler 14
Hot side have sufficient heat source, and the high-temperature flue gas that can be discharged first with combustion gas turbine 11 heats raw material, then passes through waste heat boiler
The 14 middle low-temperature flue gas being discharged using raw material heat exchanger group can be classified the exhaust heat for efficiently utilizing combustion gas turbine 11.
In some embodiments, gas turbine power generation subsystem further includes flue gas shunting device 13, flue gas shunting device 13 into
Mouth is connected with the outlet of combustion gas turbine 11, and the first outlet of flue gas shunting device 13 is connected with the hot side import of raw material heat exchanger group,
The second outlet of flue gas shunting device 13 is connected with the hot side import of waste heat boiler 14.The adjustable output of flue gas shunting device 13 is to original
Expect the flue gas ratio of heat exchanger group and waste heat boiler 14.
The cold side import of waste heat boiler 14 and the outlet of steam turbine are connected with refrigeration subsystem respectively, in other words, to steam
The steam of the outlet discharge of vapour turbine drives refrigeration subsystem to freeze as low level heat energy, and temperature-heat-source high, medium and low so obtains
To effectively utilizing.
Electricity cold supply system according to an embodiment of the present invention, refrigeration subsystem and multiple power generation sub-systems are of coupled connections,
The effective use of high, medium and low temperature-heat-source may be implemented, the utilization rate of fuel is high, and being vented by regulating gas turbine 11 by two
The adjustable cold electric ratio of the capacity of a branch.
In some embodiments, raw material supply subsystem includes: raw material heat exchanger group, devulcanizer 2, fuel compressor 1, sky
Press 6, water pump 4, raw material heat exchanger group include reformer 3, gas-gas heat exchanger 7, air-water heat exchanger 5.
The fuel inlet of reformer 3 for being passed through fuel, such as fuel compressor 1 outlet and reformer 3 fuel into
Mouth is connected, and the fuel outlet of reformer 3 is connected with the anode inlet of fuel cell 8, and devulcanizer 2 can connect in fuel compressor
Between 1 outlet and the fuel inlet of reformer 3.
The cold side import of gas-gas heat exchanger 7 can be air or oxygen etc. for being passed through oxidizing gas, oxidizing gas,
For example the outlet of air compressor machine 6 is connected with the cold side import of gas-gas heat exchanger 7, the import of air compressor machine 6 sucks air, gas-gas heat exchanger
7 cold side outlet port is connected with the cathode inlet of fuel cell 8, the cold side outlet port of gas-gas heat exchanger 7 and the oxidant of combustion chamber 10
Import is connected.
The cold side import of air-water heat exchanger 5 for being passed through water, the water of the cold side outlet port of air-water heat exchanger 5 and reformer 3 into
Mouth is connected, for example the outlet of water pump 4 is connected with the cold side import of air-water heat exchanger 5.
The gas inlet of reformer 3 is connected with the outlet of combustion gas turbine 11, the exhanst gas outlet and gas-gas heat exchanger of reformer 3
7 hot side import is connected, and the hot side outlet of gas-gas heat exchanger 7 is connected with the hot side import of air-water heat exchanger 5, air-water heat exchanger 5
Hot side outlet be connected with the hot side import of waste heat boiler 14.In other words, the high-temperature flue gas that combustion gas turbine 11 is discharged sequentially gives weight
Whole gas, empty gas and water heating, in this way, the temperature for reforming gas can be provided, the work efficiency of fuel cell 8 is high.
The cold side outlet port of gas-gas heat exchanger 7 is connected with the oxidant inlet of combustion chamber 10, the outlet and combustion of fuel compressor 1
The fuel inlet for burning room 10 is connected, and specifically, the outlet of devulcanizer 2 is connected with the fuel inlet of combustion chamber 10.That is, combustion
Burn the flue gas being discharged in room 10 in addition to burning fuel battery 8, the also fuel of the supplement of burning fuel compressor 1, such combustion gas turbine
11 intake air temperature is high, air inflow is big, and the generated output of the first generator 12 is high.
The outlet of combustion chamber 10 is connected with the hot side import of the import of combustion gas turbine 11 and raw material heat exchanger group, i.e. combustion chamber
10 outlet is connected with the import of combustion gas turbine 11, and the outlet of combustion chamber 10 is connected with the first outlet of flue gas shunting device 13.It changes
Yan Zhi, a part of high-temperature flue gas that combustion chamber 10 is discharged directly drive the rotation of combustion gas turbine 11, a part that combustion chamber 10 is discharged
High-temperature flue gas enters raw material heat exchanger group to heat unstripped gas, by adjusting the high-temperature flue gas of the discharge of combustion chamber 10 in two branches
Ratio, the power of adjustable first generator 12 and the temperature of raw material guarantee to enter the temperature of the raw material of fuel cell 8 most
It is good.
As shown in Figure 1, Rankine cycle power generation sub-system further include: the first condenser 20, high-pressure solution pump 21, steam diversion
The hot side outlet of device 15, the first condenser 20 is connected by high-pressure solution pump 21 with the cold side import of waste heat boiler 14, steam point
The import of stream device 15 is connected with the cold side outlet port of waste heat boiler 14, the first outlet of steam diverter 15 and steam turbine 16 into
Mouthful be connected, the second outlet of steam diverter 15 is connected with the outlet of steam turbine 16, the second outlet of steam diverter 15 and
Steam valve 18 is equipped between the outlet of steam turbine 16.It, can by adjusting the allocation proportion for the steam that waste heat boiler 14 is discharged
To adjust the ratio of the generated energy of the second generator and the refrigerating capacity of refrigeration subsystem.
Refrigeration subsystem includes: reboiler 19,20 solution heat exchanger 23 of the first condenser, rectifying column 24, the second condenser
25, subcooler 26, ammonia throttle valve 27, evaporator 28, absorber 29 and solution throttle valve 30；The wherein hot side import of reboiler 19
It is connected with the outlet of steam turbine 16, the hot side outlet of reboiler 19 is connected with the hot side import of the first condenser 20, reboiler
19 cold side outlet ports are connected with the hot side import of solution heat exchanger 23, and the hot side outlet of solution heat exchanger 23 passes through solution throttle valve 30
It is connected with the hot side import of absorber 29, the hot side outlet of absorber 29 is cold by hypotonic solution pump 22 and solution heat exchanger 23
Side-entrance is connected, and the cold side outlet port of solution heat exchanger 23 is connected with the import of rectifying column 24, the steam (vapor) outlet of rectifying column 24 and the
The hot side import of two condensers 25 is connected, and the hot side outlet of the second condenser 25 is connected with the hot side import of subcooler 26, supercooling
The hot side outlet of device 26 is connected by ammonia throttle valve 27 with the cold side import of evaporator 28, the cold side outlet port of evaporator 28 and supercooling
The cold side import of device 26 is connected, and the cold side outlet port of subcooler 26 is connected with the hot side import of absorber 29.Refrigeration subsystem refrigeration
Agent can be ammonium hydroxide, and the structure of refrigeration subsystem is simple, high cooling efficiency.
In a specific embodiment of the invention, electric cold supply system, including raw material supply subsystem, fuel cell
Power generation sub-system, gas turbine power generation subsystem, Rankine cycle power generation sub-system and refrigeration subsystem.
Raw material supply subsystem includes fuel compressor 1, devulcanizer 2, reformer 3, water pump 4, air-water heat exchanger 5, pneumatics
Machine 6, gas-gas heat exchanger 7, fuel cell power generation subsystem include fuel cell 8, inverter 9, gas turbine power generation subsystem packet
Combustion chamber 10, combustion gas turbine 11, the first generator 12, flue gas shunting device 13 are included, Rankine cycle power generation sub-system includes waste heat pot
Furnace 14, steam diverter 15, steam turbine 16, the second generator 17, the first condenser 20, high-pressure solution pump 21, freeze subsystem
System includes steam valve 18, reboiler 19, hypotonic solution pump 22, solution heat exchanger 23, rectifying column 24, the second condenser 25, mistake
Cooler 26, ammonia throttle valve 27, evaporator 28, absorber 29 and solution throttle valve 30.
Wherein: raw material supply subsystem is connected with fuel cell power generation subsystem, fuel cell power generation subsystem and combustion gas
Turbine power generation subsystem be connected, gas turbine power generation subsystem respectively in raw material supply subsystem heat exchanger and Rankine cycle
Waste heat boiler in power generation sub-system is connected, and Rankine cycle power generation sub-system is connected with refrigeration subsystem.
In above scheme, fuel compressor 1 and air compressor machine 6 are gas compressing equipments, are respectively used to fuel gas and sky
Gas is compressed, and the wherein outlet of fuel compressor 1 is connected with the import of devulcanizer 2, the air of air compressor machine 6 outlet and heat exchanger 7
Import is connected.
In above scheme, water pump 4 is the pressurized equipment of reformation water, for being pressurized to the water for entering reformer,
Outlet is connected with the cold side import of heat exchanger 5.
In above scheme, devulcanizer 2 is gas processing device, for removing the sulphur component in fuel gas, outlet difference
It is connected with 3 fuel inlet of reformer and 10 fuel inlet of combustion chamber.
In above scheme, reformer 3 is fuel reforming apparatus, for using flue gas conversion suitable for fuel cell
Gas is reformed, fuel inlet is connected with the outlet of devulcanizer 2, and water inlet is connected with the cold side outlet port of air-water heat exchanger 5, gas inlet
It is connected with 13 first outlet of flue gas shunting device, exhanst gas outlet is connected with 7 hot side import of gas-gas heat exchanger.
In above scheme, air-water heat exchanger 5, gas-gas heat exchanger 7 and waste heat boiler 14 are fluid heat transfer equipment, are used to back
Receive 11 exhaust heat of combustion gas turbine.Wherein 5 hot side of air-water heat exchanger inlet and outlet respectively with 7 exhanst gas outlet of gas-gas heat exchanger and waste heat
14 gas inlet of boiler be connected, 7 hot side import of gas-gas heat exchanger is connected with 3 exhanst gas outlet of reformer, 14 hot side of waste heat boiler into
Outlet is connected with 13 second outlet of flue gas shunting device and atmospheric environment respectively, and cold side inlet and outlet are exported with high-pressure solution pump 21 respectively
It is connected with 15 import of steam diverter.
In above scheme, fuel cell 8 is energy conversion device, will by the electrochemical reaction of fuel gas and air
The chemical energy of fuel is converted into electric energy, and anode export is connected with 10 fuel inlet of combustion chamber, and cathode outlet and combustion chamber 10 are empty
Gas import is connected.
In above scheme, inverter 9 is direct current, AC conversion apparatus, the direct current conversion for generating fuel cell 8
To exchange electricity output.
In above scheme, combustion chamber 10 is fuel burner, for will not sufficiently not reflect in 8 anode exhaust of fuel cell
Fuel gas and afterburning fuel gas carry out full combustion, fuel inlet and fuel-cell fuel outlet and devulcanizer outlet
It is connected, air intlet is exported with fuel battery air and the outlet of gas-gas heat exchanger 7 is connected, outlet and 11 import of combustion gas turbine and cigarette
Gas current divider first outlet is connected.
In above scheme, combustion gas turbine 11 and steam turbine 16 are hot merit converting apparatus, are respectively used to realize flue gas working medium
And the expansion work of ammonia vapor mixed working fluid, wherein combustion gas turbine 11 inlet and outlet respectively with the exhanst gas outlet of combustion chamber 10 and
14 hot side import of waste heat boiler is connected.The inlet and outlet of steam turbine 16 are hot with 15 first outlet of steam diverter and reboiler 19 respectively
Side-entrance is connected.
In above scheme, flue gas shunting device 13 and steam diverter 15 are divided fluid stream equipment, are respectively used to flue gas and steaming
The shunting of vapour.
In above scheme, high-pressure solution pump 21 and hypotonic solution pump 22 are liquid pressing equipment, are respectively used to realize to bright
Agree the pressurization of ammonia spirit in ammonia spirit and refrigeration cycle in circulation.Wherein the inlet and outlet of high-pressure solution pump 21 are respectively with first
20 hot side outlet of condenser is connected with 14 cold side import of waste heat boiler.The inlet and outlet of hypotonic solution pump 22 are hot with absorber 29 respectively
Side outlet is connected with the cold side import of solution heat exchanger 23.
In above scheme, the first condenser 20 and the second condenser 25 are installation for steam condensation, are respectively used to realization pair
The condensation of ammonium hydroxide liquid-vapor mixture steam and pure ammonia steam.Wherein the first condenser 20 hot side inlet and outlet respectively with reboiler 19
Hot side outlet pumps 21 imports with high-pressure solution and is connected, and cold side is environment hot trap.Second condenser 25 hot side inlet and outlet respectively with
The outlet of 24 overhead vapours of rectifying column is connected with 26 hot side import of subcooler, and cold side is environment hot trap.
In above scheme, rectifying column 24 and tower reactor reboiler 19 are used to carry out rectifying separation to ammonia and water.Tower top is connected to
Second condenser, 25 hot side import.19 hot side import of tower reactor reboiler is exported with steam turbine 16 and steam valve 18 exports phase
Even, the dilute ammonia solution outlet of tower reactor reboiler 19 is connected to 23 hot side import of solution heat exchanger.
In above scheme, solution heat exchanger 23 and subcooler 26 are fluid heat transfer equipment, and wherein solution heat exchanger 23 utilizes
The ammonia spirit of hot fluid preheating room temperature from reboiler 19, hot side inlet and outlet respectively with 19 cold side outlet port of reboiler and molten
30 import of liquid throttle valve is connected, and cold side inlet and outlet are connected with 22 outlet of hypotonic solution pump and 24 import of rectifying column respectively.Subcooler
26 using come the cooling liquefied ammonia from the second condenser 25 of the cryogenic refrigeration working medium of flash-pot 28, and hot side inlet and outlet connect respectively
27 import of 25 hot side outlet of the second condenser and ammonia throttle valve is connect, cold side inlet and outlet are separately connected 28 cold side outlet port of evaporator and suction
Receive 29 hot side gas feed of device.
In above scheme, ammonia throttle valve 27 and solution throttle valve 30 are reducing pressure by regulating flow devices.Wherein ammonia throttle valve 27 passes in and out
Mouth is connected with 26 hot side outlet of subcooler and 28 cold side import of evaporator respectively.Solution throttle valve 30 inlet and outlet respectively with solution
23 hot side outlet of heat exchanger is connected with 29 hot side liquid-inlet of absorber.
In above scheme, evaporator 28 realizes cooling capacity output for evaporation that refrigeration working medium absorbs heat wherein.Its cold side into
Outlet is connected with the outlet of ammonia throttle valve 27 and 26 cold side import of subcooler respectively, and hot side is refrigerating medium.
In above scheme, absorber 29 is gas-liquid mixed absorption equipment, for realizing the mixing of weak solution and pure ammonia steam
It absorbs.Its hot side includes pure ammonia steam and dilute ammonia solution, therefore two imports of its hot side are connected to 26 cold side of subcooler
Outlet and solution throttle valve 30 export, and hot side outlet is connected to hypotonic solution and pumps 22 imports, and cold side is environment hot trap.
In above scheme, the first generator 12 and the second generator 17 are generating equipment, are respectively used to combustion gas turbine 11
Electric energy is converted into the mechanical work of 16 rotor of steam turbine.Combustion gas turbine 11 and the first generator 12 are coaxially connected, steam turbine
16 and second generator 17 it is coaxially connected.
In above scheme, steam valve 18 is vapor controlling device, carries out steam diversion for coordinating with steam rapid heat cycle current divider 15
Control.Its inlet and outlet is connected with 15 first outlet of steam diverter and 19 hot side import of reboiler respectively.
In above scheme, electric cold supply system has three sets of generating equipments and a set of refrigeration equipment, high-temperature part generator
Reason is the electrochemical reaction and combustion gas Brayton cycle of fuel cell, and middle isothermal segment is ammonia-water mixture Rankine power generation cycle, low temperature
Part is the Absorption Cooling System of ammonia-water mixture.Medium temperature exhaust gas heat a part of combustion gas Brayton cycle is used for fuel gas
The heating of body, air and water, another part generate ammonium hydroxide mixed vapour, driving for heating ammonia spirit in waste heat boiler 14
Steam turbine 16 does work, and 16 steam discharge of steam turbine temperature also with higher can be used as the heat source of refrigeration cycle reboiler 19.It is logical
Setting flue gas shunting device 13 and steam diverter 15 are crossed, the adjusting of heat utilization mode may be implemented, and then realizes and is produced to final
The cold adjusting of product electricity.
As shown in Figure 1, S1 various working medium into S43 expression system, including fuel gas, empty gas and water, flue gas, ammonium hydroxide are mixed
Close object and pure ammonia etc..Capital equipment includes fuel compressor 1, devulcanizer 2, reformer 3, water pump 4, air-water heat exchanger 5, air compressor machine
6, gas-gas heat exchanger 7, fuel cell 8, inverter 9, combustion chamber 10, combustion gas turbine 11, the first generator 12, flue gas shunting device
13, waste heat boiler 14, steam diverter 15, steam turbine 16, the second generator 17, steam valve 18, reboiler 19, first are cold
Condenser 20, high-pressure solution pump 21, hypotonic solution pump 22, solution heat exchanger 23, rectifying column 24, the second condenser 25, subcooler 26,
Ammonia throttle valve 27, evaporator 28, absorber 29 and solution throttle valve 30.
Wherein fuel compressor 1 is successively connected with devulcanizer 2, reformer 3, fuel cell 8, air compressor machine 6 successively with gas gas
Heat exchanger 7, fuel cell 8 are connected, and water pump 4 is successively connected with air-water heat exchanger 5, reformer 3.8 anode of fuel cell and cathode
Outlet is connected with combustion chamber 10, and combustion chamber 10 is successively connected with combustion gas turbine 11, flue gas shunting device 13, flue gas shunting device 13 the
One outlet is successively connected with reformer 3, gas-gas heat exchanger 7, air-water heat exchanger 6, waste heat boiler 14, and second outlet is directly and waste heat
Boiler 14 is connected.
First condenser 20 is successively connected with high-pressure solution pump 21, waste heat boiler 14, steam diverter 15, steam diverter
15 first outlets are successively connected with steam turbine 16, reboiler 19, second outlet successively with 19 phase of steam valve 18 and reboiler
Even.Absorber 29 is successively connected with hypotonic solution pump 22, solution heat exchanger 23, rectifying column 24, rectifying column top exit successively with
Second condenser 25, subcooler 26, ammonia throttle valve 27, evaporator 28, subcooler 26, absorber 29 are connected, rectifier bottoms
The outlet of reboiler 19 is successively connected with solution heat exchanger 23, solution throttle valve 30 and absorber 29.In three generating equipments, fuel
Battery 8 is connected with inverter 9, combustion gas turbine 11 and steam turbine 12 respectively with 17 phase of the first generator 12 and the second generator
Even.
Detailed process are as follows: fuel gas S1 compresses through fuel compressor 1, can be divided into ratio according to demand after 2 desulfurization of devulcanizer
The adjustable two parts of example, a part of S4 enter combustion chamber as afterburning gas, and another part S3 enters reformer 3, and from water
The water vapour S8 mixing that 4 pressurization of pump and air-water heat exchanger 5 generate after heating, carries out weight under the heating of combustion gas turbine exhaust S18
Whole, reformed gas S5 enters 8 anode of fuel cell.
Air S9 is compressed through air compressor machine 6, gas-gas heat exchanger 7 can be divided into two parts after preheating, and a part of S12 enters burning
Room, another part S11 enter 8 cathode of fuel cell.
Electrochemical reaction, anode exhaust S13 and cathode occur inside fuel cell 8 for fuel reforming gas S5 and air S11
Exhaust S14 enters combustion chamber 10 and burns, and the high temperature and high pressure flue gas of generation can be divided into two parts, and a part of S15 is in combustion gas
Expansion work in turbine 11 drives the power generation of the first generator 12.
It is two parts that combustion gas turbine, which is vented S17 points, and a part of S18 is successively used as fuel gas to reform, air and water heat
Heat source, heat source of another part S22 as waste heat boiler 14, for heating the working medium of ammonium hydroxide Rankine cycle.
Another part high-temperature flue gas S16 that combustion chamber 10 generates can be mixed directly with combustion gas turbine exhaust S18 according to demand
To meet subsequent heat demand.
In ammonium hydroxide Rankine cycle, the ammonia spirit S25 from high-pressure solution pump 21 is after 14 heating evaporation of waste heat boiler
Ammonium hydroxide mixed vapour S26 is formed, current divider 15 can be adjusted according to the cold demand percentage of electricity, and then adjust and do for steam turbine 16
The quantity of steam of function.
Steam turbine exhaust S28 enters reboiler 19, and the high-temperature part of condensation heat is used for reboiler heating, then again will
Cryogenic condensation heat is discharged into environment in the first condenser 20.
In ammonium hydroxide refrigeration cycle, the concentrated solution S32 from absorber 29 is through 22 pressurization of hypotonic solution pump, solution heat exchanger
Enter rectifying column 24 after 23 preheatings, the pure ammonia steam S35 generated at the top of rectifying column condenses through the second condenser 25,26 mistake of subcooler
After cold, 27 reducing pressure by regulating flow of ammonia throttle valve enter 28 sweat cooling of evaporator, ammonia steam S39 be recovered in subcooler 26 cold energy it
Enter absorber 29 afterwards.The weak solution S41 of 19 outlet at bottom of reboiler recycles heat through solution heat exchanger 23 and throttles through solution
Enter absorber 29 after 30 reducing pressure by regulating flow of valve, absorbing ammonia steam S40 re-forms concentrated solution S32, completes a circulation.
In order to achieve the above objectives, the present invention also provides a kind of thermodynamic cycle sides based on the cold alliance of high-temperature fuel cell electricity
Method, this method pass through electrochemical reaction, combustion gas Brayton cycle, Ammonia water Rankine cycle and the absorption system to fuel cell
SAPMAC method is organically combined, and realizes that the cascade utilization to combustion gas chemical energy, part of chemical energy first pass through electrochemical reaction
It is converted into electric energy, remaining chemical energy generates high-temperature flue gas by burning, and high-grade part is for driving combustion in flue gas heat
The acting power generation of gas Brayton cycle, middle quality energy is for driving ammonium hydroxide Rankine cycle acting power generation, and low-grade energy is for driving
Dynamic refrigeration cycle refrigeration.Combustion gas turbine exhaust gas heat passes to ammonia water mixture by waste heat boiler；Steam turbine heat extraction is logical
It crosses reboiler and passes to absorption type refrigeration working medium.The energy input of whole system is the chemical energy of fuel, and energy output is electric energy
And cold energy.
It can be seen from the above technical proposal that the present invention at least has the advantages that
1) electric cold supply system provided by the invention passes through electrochemical reaction, combustion using the chemical energy of combustion gas as drive energy
The coupling of the multiple kinds of energies transform modes such as gas Brayton cycle, ammonium hydroxide Rankine cycle and ammonia absorption type refrigeration circulation, can be improved
To the comprehensive utilization ratio of fuel；
2) electric cold supply system provided by the invention, it can be achieved that product diversification, meet different demands, expand fuel electricity
The application field in pond, for example, can be used for supermarket, freezer, coastal marine products processing enterprise, petrochemical enterprise etc. to electric energy and
There is the industry of demand simultaneously compared with cryogenic cold energy；
3) compared with existing fuel cell-GT circulation, electricity cold supply system provided by the invention be can be improved to low temperature
The utilization efficiency of waste heat converts cold energy output for the Low Temperature Thermal for being not easy to be converted into electric energy, realizes combined power and cooling, improve overall
Efficiency；
4) compared with existing fuel cell-cogeneration of heat and power, electricity cold supply system provided by the invention be can be improved to combustion
Expect the acting ability recovery utilization rate of battery heat extraction, and then improves generating efficiency；
5) compared with existing fuel cell-lithium bromide absorbing type refrigeration, electricity cold supply system provided by the invention and side
Method, can be improved the acting ability recovery utilization rate to fuel cell heat extraction, and then improve generating efficiency, and by ammonium hydroxide this
Kind is suitable for the recoverable mixed working fluid of Low Temperature Thermal, cold energy output more extensive and low temperature than lithium bromide may be implemented, and pass through
The degree of participation of ammonium hydroxide Rankine cycle is adjusted, to improve the adjustability of the cold ratio of electricity；
6) in electric cold supply system provided by the invention, required equipment and technology is mature, can industrialized production.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (10)
1. a kind of electricity cold supply system characterized by comprising raw material supply subsystem, fuel cell power generation subsystem, combustion gas
Turbine power generation subsystem, Rankine cycle power generation sub-system, refrigeration subsystem, the raw material supply subsystem are used for the fuel
The fuel cell of cell power generation subsystem supplies raw material, and has raw material heat exchanger group；The gas turbine power generation subsystem packet
Include connected combustion chamber, combustion gas turbine and the first generator；The Rankine cycle power generation sub-system include connected waste heat boiler,
Steam turbine and the second generator；Wherein
The gas outlet of the fuel cell is connected with the import of the combustion chamber；The outlet of the combustion gas turbine and the raw material
The hot side import of heat exchanger group and the hot side import of the waste heat boiler are connected, the hot side outlet of the raw material heat exchanger group and institute
The hot side import for stating waste heat boiler is connected；The outlet of the cold side import of the waste heat boiler and the steam turbine respectively with it is described
Refrigeration subsystem is connected.
2. electricity cold supply system according to claim 1, which is characterized in that the gas turbine power generation subsystem further includes
The import of flue gas shunting device, the flue gas shunting device is connected with the outlet of the combustion gas turbine, and the first of the flue gas shunting device
Outlet is connected with the hot side import of the raw material heat exchanger group, the second outlet of the flue gas shunting device and the hot side of waste heat boiler
Import is connected.
3. electricity cold supply system according to claim 1, which is characterized in that the raw material heat exchanger group includes:
Reformer, the fuel inlet of the reformer is for being passed through fuel, the fuel outlet of the reformer and fuel electricity
The anode inlet in pond is connected；
Gas-gas heat exchanger, the cold side import of the gas-gas heat exchanger for being passed through oxidizing gas, the gas-gas heat exchanger it is cold
Side outlet is connected with the cathode inlet of the fuel cell；
Air-water heat exchanger, the cold side import of the air-water heat exchanger for being passed through water, the cold side outlet port of the air-water heat exchanger with
The water inlet of the reformer is connected；Wherein
The gas inlet of the reformer is connected with the outlet of the combustion gas turbine, the exhanst gas outlet of the reformer and the gas
The hot side import of gas heat exchanger is connected, the hot side import phase of the hot side outlet of the gas-gas heat exchanger and the vapor-water heat exchanger
Even, the hot side outlet of the air-water heat exchanger is connected with the hot side import of the waste heat boiler.
4. electricity cold supply system according to claim 3, which is characterized in that the raw material supply subsystem includes:
The outlet of fuel compressor, the fuel compressor is connected with the fuel inlet of the reformer；
The outlet of air compressor machine, the air compressor machine is connected with the cold side import of the gas-gas heat exchanger；
The outlet of water pump, the water pump is connected with the cold side import of the air-water heat exchanger.
5. electricity cold supply system according to claim 3, which is characterized in that the cold side outlet port of the gas-gas heat exchanger and institute
The oxidant inlet for stating combustion chamber is connected, and the outlet of the fuel compressor is connected with the fuel inlet of the combustion chamber.
6. electricity cold supply system according to claim 3, which is characterized in that the raw material supply subsystem further include: de-
Sulphur device, the devulcanizer are connected between the outlet of the fuel compressor and the fuel inlet of the reformer.
7. it is according to claim 1 to 6 electricity cold supply system, which is characterized in that the outlet of the combustion chamber with
The hot side import of the import of the combustion gas turbine and the raw material heat exchanger group is connected.
8. electricity cold supply system according to claim 1 to 6, which is characterized in that Rankine cycle power generation
System further include: steam diverter, the import of the steam diverter are connected with the cold side outlet port of the waste heat boiler, the steaming
The first outlet of vapour current divider is connected with the import of the steam turbine, the second outlet of the steam diverter and the steam
The outlet of turbine is connected.
9. electricity cold supply system according to claim 8, which is characterized in that the second outlet of the steam diverter and institute
It states and is equipped with steam valve between the outlet of steam turbine.
10. electricity cold supply system according to claim 1 to 6, which is characterized in that the refrigeration subsystem packet
It includes: reboiler, hypotonic solution pump, solution heat exchanger, rectifying column, the second condenser, subcooler, ammonia throttle valve, evaporator, absorption
Device and solution throttle valve；Wherein
The hot side import of the reboiler is connected with the outlet of the steam turbine, the hot side outlet of the reboiler with it is described bright
The hot side import for agreeing the first condenser of circulating generation subsystem is connected, and the hot side outlet of first condenser passes through described bright
Agree circulating generation subsystem high-pressure solution pump is connected with the cold side import of the waste heat boiler, the reboiler cold side outlet port and
The hot side import of the solution heat exchanger is connected, the hot side outlet of the solution heat exchanger by the solution throttle valve with it is described
The hot side import of absorber is connected, and the hot side outlet of the absorber passes through hypotonic solution pump and the solution heat exchanger
Cold side import is connected, and the cold side outlet port of the solution heat exchanger is connected with the import of the rectifying column, the steam of the rectifying column
Outlet is connected with the hot side import of second condenser, the hot side outlet of second condenser and the hot side of the subcooler
Import is connected, and the hot side outlet of the subcooler is connected by the ammonia throttle valve with the cold side import of the evaporator, described
The cold side outlet port of evaporator is connected with the cold side import of the subcooler, the cold side outlet port of the subcooler and the absorber
Hot side import is connected.
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| CN113540541A (en) * | 2021-06-25 | 2021-10-22 | 西安交通大学 | SOFC (solid oxide Fuel cell) adopting ammonia water as fuel, cascade power generation system thereof and operation method |
| CN114335635A (en) * | 2021-12-28 | 2022-04-12 | 哈电发电设备国家工程研究中心有限公司 | Adjustable heat, electricity and cold co-production system of proton exchange membrane fuel cell |
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