CN108977241A - A kind of band CO2The coal generating system and method for trapping - Google Patents
A kind of band CO2The coal generating system and method for trapping Download PDFInfo
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- CN108977241A CN108977241A CN201810891116.7A CN201810891116A CN108977241A CN 108977241 A CN108977241 A CN 108977241A CN 201810891116 A CN201810891116 A CN 201810891116A CN 108977241 A CN108977241 A CN 108977241A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/62—Carbon oxides
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- 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
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- 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
- F01K3/00—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein
- F01K3/18—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein having heaters
- F01K3/24—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein having heaters with heating by separately-fired heaters
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- 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
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/16—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
- F01K7/22—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type the turbines having inter-stage steam heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/50—Feed-water heaters, i.e. economisers or like preheaters incorporating thermal de-aeration of feed-water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2256/00—Main component in the product gas stream after treatment
- B01D2256/16—Hydrogen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2256/00—Main component in the product gas stream after treatment
- B01D2256/22—Carbon dioxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/502—Carbon monoxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/504—Carbon dioxide
-
- 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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
-
- 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
- Y02E20/32—Direct CO2 mitigation
Abstract
A kind of band CO2The coal generating system and method for trapping, the system mainly include coal gasification unit, air separation unit, conversion reaction unit, CO2Separative unit, oxygen supercharger, hydrogen booster, note hydrogen burn the systems such as contact(-type) heater and superhigh temperature Steam Power Circulation system, unit and equipment composition；Using pure oxygen by coal gasification, the CO in synthesis gas is then converted to by CO by water gas shift reaction2And hydrogen, further pass through CO2Separative unit is by CO2Separation, conversion gas isolate CO2Later remaining hydrogen obtains pure hydrogen by purification；It is sent after the pure oxygen that pure hydrogen and air separation unit come is pressurizeed respectively to note hydrogen burning contact(-type) heater, pure hydrogen and pure oxygen carry out non-premixed combustion while spraying into the water supply after preheating, generate the steam of high temperature and pressure, be then fed into turbine system acting power generation；The coal generating system has taken into account CO2It the characteristics of trapping and high generation efficiency, is of great significance for energy-saving and emission-reduction.
Description
Technical field
The invention belongs to coal-fired power generator set field, in particular to a kind of band CO2The coal generating system and method for trapping.
Background technique
A large amount of uses of fossil energy especially carbon-containing fuel are global CO2The main reason for discharge continues to increase.In order to
Slow down CO2The greenhouse effects to earth atmosphere are discharged, Global climate change is alleviated, scholars have carried out reduction CO extensively2Discharge
Technical research, wherein coal-burning power plant carry out CO2Trapping is to reduce CO2A kind of important technical of discharge.
China is coal TV university state, although quick increasing is realized in the installed capacity of renewable energy power generation especially wind-powered electricity generation in recent years
It is long, but due to the features such as accumulation installed capacity of coal electricity history is big, energy density is big, and power generation performance is stablized convenient for adjusting, coal electricity exists
Core status and effect will be chronically in the entire electric structure in China, it is indispensable.China is every year since coal fired power generation fires
A large amount of coals are burnt up, and give off a large amount of CO2.If CO can be carried out in coal-burning power plant2Trapping, and product will be trapped
It is sealed up for safekeeping or is utilized, by mitigation China CO greatly2The pressure of emission reduction.At this stage, the CO of Technical comparing maturation2Trap skill
Art is broadly divided into three categories, is pre-combustion capture, post-combustion capture and oxygen-enriched combustion technology respectively.However, it is existing these
CO2Trapping technique is not applied on a large scale, to find out its cause, main still because of existing CO2Trapping technique is adjoint
Energy consumption is too high, generally reduces the generating efficiency of coal-burning power plant, makes the raising of the coal consumption generation of coal-burning power plant by a relatively large margin, pushes away
High cost of electricity-generating, this result and the original intention for not meeting energy-saving and emission-reduction, it is also infeasible in terms of economy.So to real
Realization coal-burning power plant large-scale CO2Trapping, CO can be combined by needing one kind2What trapping and generating efficiency were promoted
Technology.
Summary of the invention
In order to overcome the above-mentioned problems of the prior art, the purpose of the present invention is to provide a kind of band CO2What is trapped is new
Type coal generating system and method, CO before burning2Trapping technique and the superhigh temperature steam for using note hydrogen burning mixed heating
Power circulation system combines, and can both carry out the preceding CO that burns2Trapping, while full factory's generating efficiency is substantially increased again；The combustion
Coal power generation system passes through CO before burning first2Trapping technique is by the carbon in coal with CO2Form separate, and obtain pure
Hydrogen.Then ratio combustion is carried out using pure hydrogen and pure oxygen, and Hybrid Heating is carried out to water supply, obtain 700 DEG C of temperature or more, pressure
Then steam is sent to steam turbine system and generated electricity by the steam of the ultra-high parameter of power 36MPa or more；Due to steam turbine system
The steam initial conditions of system are very high, thus can obtain very high generating efficiency, and then offset due to CO before burning2Trap bring
Energy loss makes coal-burning power plant carry out complete CO2While trapping, reach 45% or more power supply efficiency.
In order to achieve the above object, the technical solution of the present invention is as follows:
A kind of band CO2The coal generating system of trapping, mainly by coal gasification unit 16, conversion reaction unit 17, CO2Separation
Unit 18, hydrogen purification unit 19, air separation unit 15, oxygen supercharger 14, hydrogen booster 20, first order note hydrogen burning mixing
Formula heater 12, second level note hydrogen burning contact(-type) heater 13, third level note hydrogen burning contact(-type) heater 21, steam turbine are high
Cylinder pressure 1, first order Steam Turbine Through IP Admission 22, second level Steam Turbine Through IP Admission 2, turbine low pressure cylinder 3, generator 4, condenser 5,
Condensate pump 6, water balance unit 7, low-pressure heater group 8, oxygen-eliminating device 9, feed pump 10 and high-pressure heater group 11 form；
Wherein, the syngas outlet of coal gasification unit 16 is connected with the synthesis gas entrance of conversion reaction unit 17, and transformation is anti-
Answer conversion gas outlet and the CO of unit 172The conversion gas entrance of separative unit 18 is connected, CO2The fuel gas of separative unit 18 exports
It is connected with the fuel gas entrance of hydrogen purification unit 19, pure hydrogen outlet and 20 entrance of hydrogen booster of hydrogen purification unit 19
It is connected, hydrogen inlet phase of the outlet of hydrogen booster 20 through flow tune valve with first order note hydrogen burning contact(-type) heater 12
Even, hydrogen inlet of the second level tap of hydrogen booster 20 through flow tune valve and second level note hydrogen burning contact(-type) heater 13
It is connected, the first order tap of hydrogen booster 20 enters through flow tune valve and the hydrogen of third level note hydrogen burning contact(-type) heater 21
Mouth is connected；Air separation unit 15 sucks air from atmosphere, and the oxygen outlet of air separation unit 15 is divided into two-way, wherein all the way with coal gas
The oxygen intake for changing unit 16 is connected, and another way is connected with the entrance of oxygen supercharger 14, and the outlet of oxygen supercharger 14 is through flowing
Amount adjusts valve and the oxygen intake of first order note hydrogen burning contact(-type) heater 12 to be connected, the second level tap warp of oxygen supercharger 14
Flow tune valve is connected with the oxygen intake of second level note hydrogen burning contact(-type) heater 13, the first order tap of oxygen supercharger 14
It is connected through flow tune valve with the oxygen intake of third level note hydrogen burning contact(-type) heater 21；
The steam (vapor) outlet of first order note hydrogen burning contact(-type) heater 12 is connected with the steam inlet of steam turbine high-pressure cylinder 1,
The steam (vapor) outlet of steam turbine high-pressure cylinder 1 is connected with the reheated steam entrance of second level note hydrogen burning contact(-type) heater 13, and second
The reheated steam outlet of grade note hydrogen burning contact(-type) heater 13 is connected with the steam inlet of first order Steam Turbine Through IP Admission 22,
The reheated steam entrance phase of the steam (vapor) outlet of first order Steam Turbine Through IP Admission 22 and third level note hydrogen burning contact(-type) heater 21
Even, the reheated steam outlet of third level note hydrogen burning contact(-type) heater 21 and the steam of second level steam turbine intermediate pressure cylinder 2 enter
Mouth is connected, and the steam (vapor) outlet of second level steam turbine intermediate pressure cylinder 2 is connected with the steam inlet of turbine low pressure cylinder 3, and steam turbine is low
The steam (vapor) outlet of cylinder pressure 3 is connected with the steam inlet of condenser 5, the entrance phase of the condensation water out and condensate pump 6 of condenser 5
Even, the outlet of condensate pump 6 is connected with the entrance of water balance unit 7, outlet and the low-pressure heater group 8 of water balance unit 7
It condenses water inlet to be connected, the condensation water out of low-pressure heater group 8 is connected with the condensation water inlet of oxygen-eliminating device 9, and oxygen-eliminating device 9 coagulates
It bears water outlet to be connected with the entrance of feed pump 10, the outlet of feed pump 10 is connected with the feed-water intake of high-pressure heater group 11, high
The feedwater outlet of heater group 11 and the feed-water intake of first order note hydrogen burning contact(-type) heater 12 is pressed to be connected；
The heating steam inlet of high-pressure heater group 11 is connected with the extraction opening of first order Steam Turbine Through IP Admission 22, and high pressure adds
The hydrophobic outlet of hot device 11 is connected with the hydrophobic entrance of oxygen-eliminating device 9；In the heating steam inlet of oxygen-eliminating device 9 and the second level steam turbine
The extraction opening of cylinder pressure 2 is connected；The heating steam inlet of low-pressure heater group 8 is connected with the extraction opening of turbine low pressure cylinder 3, low pressure
The hydrophobic outlet of heater group 8 is connected with condenser 5.
The steam turbine high-pressure cylinder 1, first order Steam Turbine Through IP Admission 22, second level Steam Turbine Through IP Admission 2, steam turbine low-pressure
Cylinder 3 and generator 4 are coaxially connected, steam turbine high-pressure cylinder 1, first order Steam Turbine Through IP Admission 22, second level Steam Turbine Through IP Admission 2,
The common drawing generator 4 of turbine low pressure cylinder 3 generates electricity.
The low-pressure heater group 8 is made of the low-pressure heater of one group of different temperatures grade, the high-pressure heater group
11 are made of the high-pressure heater of one group of different temperatures grade.
The operation principle of the present invention is that:
Using air separation unit 15 by air nitrogen and oxygen separate, obtain pure oxygen；Using coal and pure oxygen in coal
16 producing synthesis gas of gasification unit, the main component in synthesis gas are CO and H2；Using water gas shift reaction, in conversion reaction
Unit 17 is by the CO conversion in synthesis gas at CO2And H2, chemical energy contained in CO largely conversion to H2In, it obtains
Main component is CO2And H2Conversion reaction gas；In CO2In separative unit 18, is absorbed using absorbent and regeneration method will become
Change the CO in reaction gas2It separates, completes CO from this2Trapping；Separate CO2It is main in later remaining fuel gas
Ingredient is H2, fuel gas feeding hydrogen purification unit 19 is purified, pure hydrogen is obtained, then increases using hydrogen booster 20
High pressure hydrogen is obtained after adding；It is hybrid to be sent into note hydrogen burning respectively by accurate flow control for high pressure hydrogen and high pressure oxygen
The superhigh temperature Steam Power Circulation of heating, generates electricity.Whole system does not have exhaust gas discharge, CO2It has just been captured before burning
Come, and the combustion product of remaining hydrogen is water in fuel gas, is also recovered in Steam Power Circulation.
The course of work of whole system is as follows:
Air separation unit 15 sucks air from atmosphere, and by nitrogen and oxygen separation, the pure oxygen separated, and one is sent to
Oxygen supercharger 14, another is sent to coal gasification unit 16；Coal gasification unit 16 is gone forward side by side coal gas chemical conversion synthesis gas using pure oxygen
Row dust separation is handled, and main component is CO and H in synthesis gas2, it is then sent for conversion reaction unit 17, in conversion reaction unit
17, CO and H through water gas shift reaction, in synthesis gas2O reaction generates CO2And H2, after the reaction was completed, obtain conversion reaction
Gas, wherein main component becomes CO2And H2；Conversion reaction pneumatic transmission removes CO2In separative unit 18, absorbs and regenerates by absorbent,
CO in conversion reaction gas2It is separated, the main component in residual fuel gas is H2；Fuel gas sends to hydrogen purification unit
19 are further purified, and are then sent for hydrogen increase machine 20 and are pressurizeed, pressure is increased to 36MPa grade；Air separation unit
15 pure oxygen pressure is increased to 36MPa grade by oxygen supercharger 14；High pressure hydrogen and high pressure oxygen are respectively through overcurrent
After adjustable valve is accurately adjusted, first order note is sent into from hydrogen inlet and oxygen intake respectively according to the molar flow ratio of 2:1
Hydrogen burning contact(-type) heater 12 burns, and at the same time, the high-pressure feed water that pressure is up to 36MPa sprays into first order note hydrogen combustion
Contact(-type) heater 12 is burnt, high-pressure feed water is heated and reached supercriticality by the heat that oxyhydrogen combustion generates, by accurate
The adjusting of water and fuel quantity controls, and makes vapor (steam) temperature control at 700 DEG C, pressure 36Mpa；The steam of high temperature and pressure sends to vapour
Turbine high pressure cylinder 1 carries out expansion work, and 1 steam discharge of steam turbine high-pressure cylinder is sent to second level note hydrogen burning as cold reheated steam and mixed
Box-like heater 13, at the same time, respectively from the second level tap of hydrogen booster 20 and oxygen supercharger 14 come hydrogen and
Oxygen, according to the molar flow ratio of 2:1, is sent into the second level from hydrogen inlet and oxygen intake respectively and is infused by flow control valve
Hydrogen burning contact(-type) heater 13 carries out combustion heating；Cold reheated steam is complete in the note hydrogen burning contact(-type) heater 13 of the second level
After reheating, temperature reaches 700 DEG C again, is then sent for first order Steam Turbine Through IP Admission 22 and carries out expansion work；From the first order
The steam discharge that Steam Turbine Through IP Admission 22 comes out sends to third level note hydrogen burning contact(-type) heater 21, at the same time, respectively from hydrogen
The hydrogen and oxygen that the first order tap of supercharger 20 and oxygen supercharger 14 is come are by flow control valve according to the molar flow of 2:1
Amount ratio is sent into third level note hydrogen burning contact(-type) heater 21 from hydrogen inlet and oxygen intake respectively and carries out combustion heating；
After steam completes reheating in third level note hydrogen burning contact(-type) heater 21, temperature reaches 600 DEG C, is then sent for second level vapour
Turbine intermediate pressure cylinder 2 carries out expansion work, and second level Steam Turbine Through IP Admission steam discharge sends to 3 expansion work of turbine low pressure cylinder；Steamer
Machine high pressure cylinder 1, first order Steam Turbine Through IP Admission 22, second level Steam Turbine Through IP Admission 2 and turbine low pressure cylinder 3 are coaxially and generator
4 are connected, and drawing generator 4 generates electricity together；The steam discharge of turbine low pressure cylinder 3 enters condenser 5 and is condensed into condensed water；It utilizes
Condensate pump 6 from the hot well of condenser 5 extraction condensed water send to water balance unit 7, in water balance unit 7, to condensed water into
The processing of row desalination purification, and a part of water is discharged from condensed water, to balance the water generated due to oxyhydrogen combustion；Water balance
The condensed water that unit 7 comes out sends to low-pressure heater group 8 and carries out backheat heating, and low-pressure heater group 8 is by one group of different temperatures etc.
The low-pressure heater composition of grade, step by step heats condensed water according to the order of temperature from low to high, required heating steam
It is extracted from the extraction opening of turbine low pressure cylinder 3；After the heating of low-pressure heater group 8, condensed water is sent into oxygen-eliminating device 9；Oxygen-eliminating device 9
Heating deoxygenation carried out to condensed water using the steam extraction of steam turbine second level intermediate pressure cylinder 2, the oxygen dissolved in condensed water and other
Foreign gas all removes in oxygen-eliminating device 9；The condensed water that oxygen-eliminating device 9 comes out through feed pump 10 by boost in pressure to 36MPa grade,
It is then sent for high-pressure heater group 11；High-pressure heater group 11 is made of the high-pressure heater of one group of different temperatures grade, according to
The order of temperature from low to high step by step heats water supply, required heating pumping of the steam from steam turbine first stage intermediate pressure cylinder 22
Steam ports extracts；After the heating of high-pressure heater group 11, first order note hydrogen burning contact(-type) heater 12 is sent in water supply；So far, complete
At entire power generation process.
It the features of the present invention and has the beneficial effect that
1, air separation unit provides pure oxygen for gasification furnace and note hydrogen burning superhigh temperature Steam Power Circulation system；Gasification unit will
Coal gas is melted into synthesis gas；Synthesis gas passes through water gas shift reaction and CO2CO is realized in separation2Pre-combustion capture；CO2Trap it
The fuel that H2 is used as note hydrogen burning superhigh temperature Steam Power Circulation system is obtained afterwards.
2, there is the note hydrogen burning superhigh temperature Steam Power Circulation system three-level to infuse hydrogen burning contact(-type) heater, respectively
Hydrogen burning contact(-type) heater 12 is infused for the first order, hydrogen burning contact(-type) heater 13 is infused in the second level and third level note hydrogen burning is mixed
Box-like heater 21, Steam Power Circulation successively infuse hydrogen burning contact(-type) heater 13 in the second level using reheating twice, steam
Reheating twice is completed in third level note hydrogen burning contact(-type) heater 21.
3, the present invention realizes CO2Trapping, thus be of great significance for reduction of greenhouse gas discharge.
4, using the superhigh temperature Steam Power Circulation of note hydrogen burning mixed heating, steam initial conditions are very high, thus whole
Generating efficiency it is very high, remove due to CO2Bring energy loss is trapped, higher power supply efficiency can still be maintained in full factory.
5, special boiler system is saved, thus power unit can be made more compact, land occupation is saved, is substantially shorter height
The jet chimney length of warm high pressure reduces cost and reduces restriction loss.
6, the water that combustion of hydrogen generates all recycles, thus can reduce water consume.
7, the final combustion product CO of coal2It is all recycled in systematic procedure with water etc., because without large-scale
Exhaust emissions, full factory does not set chimney, thus really realizes the zero-emission of power plant.
Detailed description of the invention
Fig. 1 is electricity generation system schematic diagram of the present invention.
Figure label:
1- steam turbine high-pressure cylinder；The second level 2- Steam Turbine Through IP Admission；3- turbine low pressure cylinder；4- generator；5- condenser；
6- condensate pump；7- water balance unit；8- low-pressure heater group；9- oxygen-eliminating device；10- feed pump；11- high-pressure heater group；
The 12- first order infuses hydrogen burning contact(-type) heater；Infuse hydrogen burning contact(-type) heater in the second level 13-；14- oxygen supercharger；15-
Air separation unit；16- coal gasification unit；17- conversion reaction unit；18-CO2Separative unit；19- hydrogen purification unit；20- hydrogen
Gas supercharger；The 21- third level infuses hydrogen burning contact(-type) heater；22- first order Steam Turbine Through IP Admission.
Specific embodiment
The invention will now be described in detail with reference to the accompanying drawings.
CO before burning below by one 1000MW grades of band2The novel coal electricity generation system example of trapping is to work of the present invention
It elaborates as process, listed design parameter is wherein one group of representativeness ginseng suitable for this example in following instance
Number, is merely to illustrate the course of work of the invention, and present invention protection is not limited to using this set parameter, in practical applications
According to different situations, operating parameter can be adjusted.
Implementation process is as follows:
A kind of band CO2The novel coal electricity generation system of trapping, mainly by coal gasification unit 16, conversion reaction unit 17, CO2
Separative unit 18, hydrogen purification unit 19, air separation unit 15, oxygen supercharger 14, hydrogen booster 20, the first order infuse hydrogen burning
Contact(-type) heater 12, second level note hydrogen burning contact(-type) heater 13, the third level infuse hydrogen burning contact(-type) heater 21, steamer
Machine high pressure cylinder 1, first order Steam Turbine Through IP Admission 22, second level Steam Turbine Through IP Admission 2, turbine low pressure cylinder 3, generator 4, condensing
The units such as device 5, condensate pump 6, water balance unit 7, low-pressure heater group 8, oxygen-eliminating device 9, feed pump 10, high-pressure heater group 11
It is formed with equipment.
Wherein, the syngas outlet of coal gasification unit 16 is connected with the synthesis gas entrance of conversion reaction unit 17, and transformation is anti-
Answer conversion gas outlet and the CO of unit 172The conversion gas entrance of separative unit 18 is connected, CO2The fuel gas of separative unit 18 exports
It is connected with the fuel gas entrance of hydrogen purification unit 19, pure hydrogen outlet and 20 entrance of hydrogen booster of hydrogen purification unit 19
It is connected, hydrogen inlet phase of the outlet of hydrogen booster 20 through flow tune valve with first order note hydrogen burning contact(-type) heater 12
Even, hydrogen inlet of the second level tap of hydrogen booster 20 through flow tune valve and second level note hydrogen burning contact(-type) heater 13
It is connected, the first order tap of hydrogen booster 20 enters through flow tune valve and the hydrogen of third level note hydrogen burning contact(-type) heater 21
Mouth is connected；Air separation unit 15 sucks air from atmosphere, and the oxygen outlet of air separation unit 15 is divided into two-way, wherein all the way with coal gas
The oxygen intake for changing unit 16 is connected, and another way is connected with the entrance of oxygen supercharger 14, and the outlet of oxygen supercharger 14 is through flowing
Amount adjusts valve and the oxygen intake of first order note hydrogen burning contact(-type) heater 12 to be connected, the second level tap warp of oxygen supercharger 14
Flow tune valve is connected with the oxygen intake of second level note hydrogen burning contact(-type) heater 13, the first order tap of oxygen supercharger 14
It is connected through flow tune valve with the oxygen intake of third level note hydrogen burning contact(-type) heater 21.
The steam (vapor) outlet of first order note hydrogen burning contact(-type) heater 12 is connected with the steam inlet of steam turbine high-pressure cylinder 1,
The steam (vapor) outlet of steam turbine high-pressure cylinder 1 is connected with the reheated steam entrance of second level note hydrogen burning contact(-type) heater 13, and second
The reheated steam outlet of grade note hydrogen burning contact(-type) heater 13 is connected with the steam inlet of first order Steam Turbine Through IP Admission 22,
The reheated steam entrance phase of the steam (vapor) outlet of first order Steam Turbine Through IP Admission 22 and third level note hydrogen burning contact(-type) heater 21
Even, the reheated steam outlet of third level note hydrogen burning contact(-type) heater 21 and the steam of second level steam turbine intermediate pressure cylinder 2 enter
Mouth is connected, and the steam (vapor) outlet of second level steam turbine intermediate pressure cylinder 2 is connected with the steam inlet of turbine low pressure cylinder 3, and steam turbine is low
The steam (vapor) outlet of cylinder pressure 3 is connected with the steam inlet of condenser 5, the entrance phase of the condensation water out and condensate pump 6 of condenser 5
Even, the outlet of condensate pump 6 is connected with the entrance of water balance unit 7, outlet and the low-pressure heater group 8 of water balance unit 7
It condenses water inlet to be connected, the condensation water out of low-pressure heater group 8 is connected with the condensation water inlet of oxygen-eliminating device 9, and oxygen-eliminating device 9 coagulates
It bears water outlet to be connected with the entrance of feed pump 10, the outlet of feed pump 10 is connected with the feed-water intake of high-pressure heater group 11, high
The feedwater outlet of heater group 11 and the feed-water intake of first order note hydrogen burning contact(-type) heater 12 is pressed to be connected.
The heating steam inlet of high-pressure heater group 11 is connected with the extraction opening of first order Steam Turbine Through IP Admission 22, and high pressure adds
The hydrophobic outlet of hot device 11 is connected with the hydrophobic entrance of oxygen-eliminating device 9；In the heating steam inlet of oxygen-eliminating device 9 and the second level steam turbine
The extraction opening of cylinder pressure 2 is connected；The heating steam inlet of low-pressure heater group 8 is connected with the extraction opening of turbine low pressure cylinder 3, low pressure
The hydrophobic outlet of heater group 8 is connected with condenser 5.
Steam turbine high-pressure cylinder 1, first order Steam Turbine Through IP Admission 22, second level Steam Turbine Through IP Admission 2, turbine low pressure cylinder 3
It is coaxially connected with generator 4, steam turbine high-pressure cylinder 1, first order Steam Turbine Through IP Admission 22, second level Steam Turbine Through IP Admission 2, steamer
The common drawing generator 4 of machine low pressure (LP) cylinder 3 generates electricity.
The course of work of whole system is as follows:
Air separation unit 15 sucks air from atmosphere, and by nitrogen and oxygen separation, the pure oxygen separated, and one is sent to
Oxygen supercharger 14, another is sent to coal gasification unit 16.Coal gasification unit 16 is gone forward side by side coal gas chemical conversion synthesis gas using pure oxygen
The purified treatments such as row dedusting, main component is CO and H in synthesis gas2, it is then sent for conversion reaction unit 17, in conversion reaction list
Member 17, CO and H through water gas shift reaction, in synthesis gas2O reaction generates CO2And H2, after the reaction was completed, it is anti-to obtain transformation
Should gas, wherein main component becomes CO2And H2.Conversion reaction pneumatic transmission removes CO2In separative unit 18, by absorbent absorption and again
Raw, in conversion reaction gas CO2It is separated, the main component in residual fuel gas is H2.Fuel gas sends to hydrogen purification list
Member 19 is further purified, and is then sent for hydrogen increase machine 20 and is pressurizeed, pressure is increased to 36MPa grade.Space division list
The pure oxygen that member is come pressure is increased to 36MPa grade by oxygen supercharger 14.High pressure hydrogen and high pressure oxygen are respectively through overcurrent
After adjustable valve is accurately adjusted, first order note is sent into from hydrogen inlet and oxygen intake respectively according to the molar flow ratio of 2:1
Hydrogen burning contact(-type) heater 12 burns, and at the same time, the high-pressure feed water that pressure is up to 36MPa sprays into first order note hydrogen combustion
Contact(-type) heater 12 is burnt, high-pressure feed water is heated and reached supercriticality by the heat that oxyhydrogen combustion generates, by accurate
The adjusting of water and fuel quantity controls, and makes vapor (steam) temperature control at 700 DEG C, pressure 36MPa.The steam of high temperature and pressure sends to vapour
Turbine high pressure cylinder 1 carries out expansion work, and 1 exhaust steam pressure of steam turbine high-pressure cylinder is reduced to about 17.5MPa, as cold reheated steam
Second level note hydrogen burning contact(-type) heater 13 is sent to, at the same time, respectively from hydrogen booster 20 and oxygen supercharger 14
The hydrogen and oxygen that second level tap is come by flow control valve according to the molar flow ratio of 2:1, respectively from hydrogen inlet and
Oxygen intake is sent into second level note hydrogen burning contact(-type) heater 13 and carries out combustion heating.Cold reheated steam infuses hydrogen in the second level
After completing reheating in burning contact(-type) heater 13, temperature reaches 700 DEG C again, is then sent for first order Steam Turbine Through IP Admission 22
Carry out expansion work.The exhaust steam pressure come out from first order Steam Turbine Through IP Admission 22 is reduced to about 5.4MPa, sends to third level note
Hydrogen burning contact(-type) heater 21 comes from the first order tap of hydrogen booster 20 and oxygen supercharger 14 respectively at the same time
Hydrogen and oxygen by flow control valve according to the molar flow ratio of 2:1, be sent into respectively from hydrogen inlet and oxygen intake
The third level infuses hydrogen burning contact(-type) heater 21 and carries out combustion heating.Steam is in third level note hydrogen burning contact(-type) heater 21
After completing reheating, temperature reaches 600 DEG C, is then sent for 2 expansion work of second level Steam Turbine Through IP Admission, presses in the second level steam turbine
The steam discharge of cylinder 2 sends to 3 expansion work of turbine low pressure cylinder.Steam turbine high-pressure cylinder 1, first order Steam Turbine Through IP Admission 22, the second level
Steam Turbine Through IP Admission 2 and turbine low pressure cylinder 3 are coaxially connected with generator 4, and drawing generator 4 generates electricity together.Steam turbine
The steam discharge of low pressure (LP) cylinder 3 enters condenser 5 and is condensed into condensed water.It is sent using condensate pump 6 from the hot well of condenser 5 extraction condensed water
To water balance unit 7.In water balance unit 7, desalination purification processing is carried out to condensed water, and a part is discharged from condensed water
Water, to balance the water generated due to oxyhydrogen combustion.Water balance unit 7 come out condensed water send to low-pressure heater group 8 into
The heating of row backheat.Low-pressure heater group 8 is made of the low-pressure heater of one group of different temperatures grade, from low to high according to temperature
Order step by step heats condensed water, and required heating steam is extracted from the extraction opening of turbine low pressure cylinder 3.Through low-pressure heating
After device group 8 heats, condensed water is sent into oxygen-eliminating device 9.Oxygen-eliminating device 9 is using the steam extraction of steam turbine second level intermediate pressure cylinder 2 to condensed water
Heating deoxygenation is carried out, a small amount of oxygen and other foreign gases dissolved in condensed water all removes in oxygen-eliminating device 9.Oxygen-eliminating device 9
Condensed water out, by boost in pressure to 36MPa grade, is then sent for high-pressure heater group 11 through feed pump 10.High-pressure heater
Group 11 is made of the high-pressure heater of one group of different temperatures grade, is added step by step to water supply according to the order of temperature from low to high
Heat, required heating steam are extracted from the extraction opening of steam turbine first stage intermediate pressure cylinder 22.After the heating of high-pressure heater group 11, give
Water sends to first order note hydrogen burning contact(-type) heater 12.
Steam turbine high-pressure cylinder 1, first order Steam Turbine Through IP Admission 22, second level Steam Turbine Through IP Admission 2, turbine low pressure cylinder 3
Common drawing generator 4 generates electricity.
The major parameter that Steam Power Circulation systematic steady state is run in the example is listed by table 1:
Table 1 is with CO before burning2The novel coal power generation of trapping is major parameter
The CO of this coal generating system2Capture rate reaches 90%, and dynamic by coal gasification, conversion reaction, superhigh temperature steam
The energy conversion process such as power circulating generation, then station service is removed, full factory still is able to reach 45% power supply efficiency.
Claims (4)
1. a kind of band CO2The coal generating system of trapping, it is characterised in that: mainly by coal gasification unit (16), conversion reaction unit
(17)、CO2Separative unit (18), hydrogen purification unit (19), air separation unit (15), oxygen supercharger (14), hydrogen booster
(20), first order note hydrogen burning contact(-type) heater (12), second level note hydrogen burning contact(-type) heater (13), the third level infuse hydrogen
It burns contact(-type) heater (21), pressed in steam turbine high-pressure cylinder (1), first order Steam Turbine Through IP Admission (22), the second level steam turbine
Cylinder (2), turbine low pressure cylinder (3), generator (4), condenser (5), condensate pump (6), water balance unit (7), low-pressure heating
Device group (8), oxygen-eliminating device (9), feed pump (10) and high-pressure heater group (11) composition；
Wherein, the syngas outlet of coal gasification unit (16) is connected with the synthesis gas entrance of conversion reaction unit (17), and transformation is anti-
Answer conversion gas outlet and the CO of unit (17)2The conversion gas entrance of separative unit (18) is connected, CO2The fuel of separative unit (18)
Gas outlet is connected with the fuel gas entrance of hydrogen purification unit (19), and pure hydrogen outlet and the hydrogen of hydrogen purification unit (19) increase
Press (20) entrance is connected, and hydrogen burning contact(-type) heater is infused through flow tune valve and the first order in the outlet of hydrogen booster (20)
(12) hydrogen inlet is connected, and the second level tap of hydrogen booster (20) is hybrid through flow tune valve and second level note hydrogen burning
The hydrogen inlet of heater (13) is connected, and the first order tap of hydrogen booster (20) infuses hydrogen burning through flow tune valve and the third level
The hydrogen inlet of contact(-type) heater (21) is connected；Air separation unit (15) sucks air, the oxygen of air separation unit (15) from atmosphere
Gas outlet is divided into two-way, wherein be connected all the way with the oxygen intake of coal gasification unit (16), another way and oxygen supercharger (14)
Entrance be connected, the oxygen of the outlet of oxygen supercharger (14) through flow tune valve and first order note hydrogen burning contact(-type) heater (12)
Gas entrance is connected, and the second level tap of oxygen supercharger (14) infuses hydrogen burning contact(-type) heater through flow tune valve and the second level
(13) oxygen intake is connected, and the first order tap of oxygen supercharger (14) is hybrid through flow tune valve and third level note hydrogen burning
The oxygen intake of heater (21) is connected；
The steam (vapor) outlet of first order note hydrogen burning contact(-type) heater (12) is connected with the steam inlet of steam turbine high-pressure cylinder (1),
The steam (vapor) outlet of steam turbine high-pressure cylinder (1) is connected with the reheated steam entrance of second level note hydrogen burning contact(-type) heater (13),
The reheated steam outlet of second level note hydrogen burning contact(-type) heater (13) and the steam of first order Steam Turbine Through IP Admission (22) enter
Mouth is connected, the reheating of the steam (vapor) outlet of first order Steam Turbine Through IP Admission (22) and third level note hydrogen burning contact(-type) heater (21)
Steam inlet is connected, and the reheated steam of third level note hydrogen burning contact(-type) heater (21) is exported and pressed in the steam turbine of the second level
The steam inlet of cylinder (2) is connected, the steam (vapor) outlet of second level steam turbine intermediate pressure cylinder (2) and the steam of turbine low pressure cylinder (3)
Entrance is connected, and the steam (vapor) outlet of turbine low pressure cylinder (3) is connected with the steam inlet of condenser (5), the condensed water of condenser (5)
Outlet is connected with the entrance of condensate pump (6), and the outlet of condensate pump (6) is connected with the entrance of water balance unit (7), water balance
The outlet of unit (7) is connected with the condensation water inlet of low-pressure heater group (8), the condensation water out of low-pressure heater group (8) with
The condensation water inlet of oxygen-eliminating device (9) is connected, and the condensation water out of oxygen-eliminating device (9) is connected with the entrance of feed pump (10), feed pump
(10) outlet is connected with the feed-water intake of high-pressure heater group (11), the feedwater outlet and the first order of high-pressure heater group (11)
The feed-water intake for infusing hydrogen burning contact(-type) heater (12) is connected；
The heating steam inlet of high-pressure heater group (11) is connected with the extraction opening of first order Steam Turbine Through IP Admission (22), and high pressure adds
The hydrophobic outlet of hot device (11) is connected with the hydrophobic entrance of oxygen-eliminating device (9)；The heating steam inlet and second level vapour of oxygen-eliminating device (9)
The extraction opening of turbine intermediate pressure cylinder (2) is connected；The heating steam inlet of low-pressure heater group (8) and the pumping of turbine low pressure cylinder (3)
Steam ports is connected, and the hydrophobic outlet of low-pressure heater group (8) is connected with condenser (5).
2. a kind of band CO according to claim 12The coal generating system of trapping, it is characterised in that: the turbine high-pressure
Cylinder (1), first order Steam Turbine Through IP Admission (22), second level Steam Turbine Through IP Admission (2), turbine low pressure cylinder (3) and generator (4)
It is coaxially connected, steam turbine high-pressure cylinder (1), first order Steam Turbine Through IP Admission (22), second level Steam Turbine Through IP Admission (2), steam turbine
The common drawing generator (4) of low pressure (LP) cylinder (3) generates electricity.
3. a kind of band CO according to claim 12The coal generating system of trapping, it is characterised in that: the low-pressure heater
Group (8) is made of the low-pressure heater of one group of different temperatures grade, and the high-pressure heater group (11) is by one group of different temperatures etc.
The high-pressure heater composition of grade.
4. the described in any item band CO of claims 1 to 32The electricity-generating method of the coal generating system of trapping, it is characterised in that: empty
Sub-unit (15) sucks air from atmosphere, and by nitrogen and oxygen separation, the pure oxygen separated, and one is sent to oxygen pressurization
Machine (14), another is sent to coal gasification unit (16)；Coal gas is melted into synthesis gas using pure oxygen and carried out by coal gasification unit (16)
Dust separation is handled, and main component is CO and H in synthesis gas2, conversion reaction unit (17) are then sent for, in conversion reaction unit
(17), CO and H through water gas shift reaction, in synthesis gas2O reaction generates CO2And H2, after the reaction was completed, obtain conversion reaction
Gas, wherein main component becomes CO2And H2；Conversion reaction pneumatic transmission removes CO2In separative unit (18), by absorbent absorption and again
Raw, in conversion reaction gas CO2It is separated, the main component in residual fuel gas is H2；Fuel gas sends to hydrogen purification list
First (19) are further purified, and are then sent for hydrogen increase machine (20) and are pressurizeed, pressure is increased to 36MPa grade；It is empty
The pure oxygen that sub-unit (15) comes pressure is increased to 36MPa grade by oxygen supercharger (14)；High pressure hydrogen and high pressure oxygen
Respectively after flow control valve is accurately adjusted, sent respectively from hydrogen inlet and oxygen intake according to the molar flow ratio of 2:1
Enter first order note hydrogen burning contact(-type) heater (12) to burn, at the same time, the high-pressure feed water that pressure is up to 36MPa sprays into
The first order infuses hydrogen burning contact(-type) heater (12), and high-pressure feed water is heated and reaches supercritical state by the heat that oxyhydrogen combustion generates
State is controlled by the adjusting of accurate water and fuel quantity, makes vapor (steam) temperature control at 700 DEG C, pressure 36Mpa；High temperature is high
The steam of pressure sends to steam turbine high-pressure cylinder (1) and carries out expansion work, and steam turbine high-pressure cylinder (1) steam discharge is sent to as cold reheated steam
Hydrogen burning contact(-type) heater (13) are infused in the second level, at the same time, respectively from hydrogen booster (20) and oxygen supercharger (14)
Second level tap come hydrogen and oxygen by flow control valve according to 2:1 molar flow ratio, respectively from hydrogen inlet
Second level note hydrogen burning contact(-type) heater (13), which is sent into, with oxygen intake carries out combustion heating；Cold reheated steam is infused in the second level
After completing reheating in hydrogen burning contact(-type) heater (13), temperature reaches 700 DEG C again, is then sent for pressing in the first level steam turbine
Cylinder (22) carries out expansion work；It is hybrid that the steam discharge come out from first order Steam Turbine Through IP Admission (22) sends to third level note hydrogen burning
Heater (21), at the same time, the hydrogen come respectively from the first order tap of hydrogen booster (20) and oxygen supercharger (14)
With oxygen by flow control valve according to the molar flow ratio of 2:1, the third level is sent into from hydrogen inlet and oxygen intake respectively
It infuses hydrogen burning contact(-type) heater (21) and carries out combustion heating；Steam is complete in third level note hydrogen burning contact(-type) heater (21)
After reheating, temperature reaches 600 DEG C, is then sent for second level Steam Turbine Through IP Admission (2) and carries out expansion work, the second level steam turbine
Intermediate pressure cylinder steam discharge sends to turbine low pressure cylinder (3) expansion work；Steam turbine high-pressure cylinder (1), first order Steam Turbine Through IP Admission (22),
Second level Steam Turbine Through IP Admission (2) and turbine low pressure cylinder (3) are coaxially connected with generator (4), together drawing generator (4) into
Row power generation；The steam discharge of turbine low pressure cylinder (3) enters condenser (5) and is condensed into condensed water；Using condensate pump (6) from condenser
(5) hot well extraction condensed water is sent to water balance unit (7), in water balance unit (7), is carried out at desalination purification to condensed water
Reason, and a part of water is discharged from condensed water, to balance the water generated due to oxyhydrogen combustion；Water balance unit (7) comes out
Condensed water send to low-pressure heater group (8) and carry out backheat heating, low-pressure heater group (8) is low by one group of different temperatures grade
Heater composition is pressed, condensed water is heated step by step according to the order of temperature from low to high, required heating steam is from steamer
The extraction opening of machine low pressure (LP) cylinder (3) extracts；After low-pressure heater group (8) heating, condensed water is sent into oxygen-eliminating device (9)；Oxygen-eliminating device
(9) heating deoxygenation carried out to condensed water using the steam extraction of steam turbine second level intermediate pressure cylinder (2), the oxygen dissolved in condensed water and
The removal all in oxygen-eliminating device (9) of other foreign gases；Oxygen-eliminating device (9) come out condensed water through feed pump (10) by boost in pressure extremely
36MPa grade is then sent for high-pressure heater group (11)；High-pressure heater group (11) is added by the high pressure of one group of different temperatures grade
Hot device composition, step by step heats water supply according to the order of temperature from low to high, and required heating steam is from steam turbine first
The extraction opening of grade intermediate pressure cylinder (22) extracts；After high-pressure heater group (11) heating, first order note hydrogen burning mixing is sent in water supply
Formula heater (12)；So far, entire power generation process is completed.
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| CN113175829A (en) * | 2021-04-19 | 2021-07-27 | 西安交通大学 | Carbon dioxide gas suction and separation device and method of mixed working medium circulation system |
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