CN106215682B - A kind of CO towards Gas Generator Set heating-cooling-power cogeneration system2Method for catching - Google Patents
A kind of CO towards Gas Generator Set heating-cooling-power cogeneration system2Method for catching Download PDFInfo
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- CN106215682B CN106215682B CN201610638507.9A CN201610638507A CN106215682B CN 106215682 B CN106215682 B CN 106215682B CN 201610638507 A CN201610638507 A CN 201610638507A CN 106215682 B CN106215682 B CN 106215682B
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- 239000007789 gas Substances 0.000 claims abstract description 41
- 239000000567 combustion gas Substances 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 28
- 238000002485 combustion reaction Methods 0.000 claims abstract description 27
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000006835 compression Effects 0.000 claims abstract description 17
- 238000007906 compression Methods 0.000 claims abstract description 17
- 239000003345 natural gas Substances 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 238000010248 power generation Methods 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 239000006096 absorbing agent Substances 0.000 claims description 35
- 238000001354 calcination Methods 0.000 claims description 28
- 239000002918 waste heat Substances 0.000 claims description 15
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 7
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 230000008929 regeneration Effects 0.000 claims description 6
- 238000011069 regeneration method Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 239000003546 flue gas Substances 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 239000011575 calcium Substances 0.000 abstract description 7
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052791 calcium Inorganic materials 0.000 abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052799 carbon Inorganic materials 0.000 abstract description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/81—Solid phase processes
-
- 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
-
- 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
- B01D53/96—Regeneration, reactivation or recycling of reactants
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/04—Purification or separation of nitrogen
- C01B21/0405—Purification or separation processes
- C01B21/0411—Chemical processing only
- C01B21/0416—Chemical processing only by oxidation
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2210/00—Purification or separation of specific gases
- C01B2210/0001—Separation or purification processing
- C01B2210/0003—Chemical processing
- C01B2210/0004—Chemical processing by oxidation
-
- 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
- Y02E20/14—Combined heat and power generation [CHP]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
- Y02P40/18—Carbon capture and storage [CCS]
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The present invention discloses a kind of CO towards Gas Generator Set heating-cooling-power cogeneration system2Method for catching, in this method, air is sent into compressor (1), it is sent into gas turbine or internal combustion engine (2) after being compressed to specified pressure, compressed air is mixed and burned in gas turbine or internal combustion engine with the natural gas of penetrating, forms the combustion gas of high temperature and pressure, combustion gas expansion work, impeller rotation is pushed, and then drives generator (3) power generation；The outlet of gas turbine or internal combustion engine (2) is connect with the bottom of carbonation reactor (4), is rich in a large amount of CO for generate gas turbine or internal combustion engine2Combustion gas be passed through in carbonation reactor, and then remove combustion gas in CO2.Present invention combination calcium looping process efficiently traps CO2Advantage and the characteristics of Combined Heating Cooling And Power cascaded utilization of energy, calcium looping process is coupled with Combined Heating Cooling And Power, zero carbon emission of Combined Heating Cooling And Power is realized and obtains the CO for compression storage of high concentration2And N2。
Description
Technical field
The present invention couples calcium looping process and Combined Heating Cooling And Power, realizes that thermoelectric cold joins using calcium looping process
Zero carbon emission of production system, while the CO for compression storage of high concentration is obtained again2、N2, belong to energy technology and environment protected
Shield technology crossing domain.
Background technique
Combined Heating Cooling And Power is a kind of foundation on energy cascade utilization conceptual foundation, first with combustion gas high-grade heat
Can do work power generation in prime mover, and waste heat caused by prime mover power generation is recycled to carry out heat supply, dehumidifying or driving mechanism of absorption
It is cold.Using exhaust heat refrigerating, reduce the demand of summer electric air conditioner, positive work can be further functioned as to abatement summer power peak value
With.But in Combined Heating Cooling And Power, the burning of the fuel gas such as natural gas can discharge a large amount of CO2, ecological environment is caused
Serious destruction.
Carbon capture and Plugging Technology Applied (CCS) are reduction whole world CO generally acknowledged at present2The maximally efficient method of concentration.Wherein,
Calcium looping process receives the extensive concern in the whole world because of calcium-base absorbing agent the advantages that cheap, resourceful.Its technique stream
Journey specifically includes that calcium-base absorbing agent enters calcination reactor calcining, decomposes and generates CaO and CO2, the CO of generation2Concentration can reach
To 95% or more, can directly be recycled for sealing up for safekeeping after compression；The CaO of generation enters in carbonation reactor in trapping flue gas
CO2, CO in flue gas2Concentration can be reduced to 5% hereinafter, generate CaCO3It returns to calcination reactor and carries out calcination and regeneration, so
Iterative cycles realize CO2Emission reduction purpose.In the process of running, fresh calcium-base absorbing agent and discharge part inactivation are supplemented in due course
Absorbent the continuous and steady operation of whole system may be implemented.
Summary of the invention
Technical problem: the object of the present invention is to provide a kind of CO towards Gas Generator Set heating-cooling-power cogeneration system2It captures
Method has coupled calcium looping process based on Combined Heating Cooling And Power on this basis, realizes Combined Heating Cooling And Power
Zero carbon emission, while have also obtained high concentration for compression storage CO2And N2。
Technical solution: in order to solve the above technical problems, the present invention provides one kind towards Gas Generator Set heating-cooling-power cogeneration system
The CO of system2Method for catching, this method include compressor, gas turbine or internal combustion engine, generator, carbonation reactor, expanding machine,
Waste heat boiler, heat exchanger A, heat exchanger B, absorption refrigeration unit, calcination reactor, air separator, heat exchanger C,
It is compressor A, heat exchanger D, compressor B, heat exchanger E, compressor C, one-way control valve A, one-way control valve B, unidirectionally controlled
Valve C, one-way control valve D；Wherein, the outlet of gas turbine or internal combustion engine and the bottom of carbonation reactor connect, for that will fire
What gas-turbine or internal combustion engine generated is rich in a large amount of CO2Combustion gas be passed through in carbonation reactor, and then remove combustion gas in CO2.Specifically
Steps are as follows:
Air is sent into compressor by step 1, is sent into gas turbine or internal combustion engine after being compressed to specified pressure, compression
Air afterwards is mixed and burned in gas turbine or internal combustion engine with the natural gas of penetrating, forms the combustion gas of high temperature and pressure, combustion gas is swollen
Swollen acting pushes impeller rotation, and then drives electrical power generators；
Step 2 when high temperature and pressure combustion gas in gas turbine or internal combustion engine expanded acting temperature be reduced to 650~
At 700 DEG C, the combustion gas by this part still with certain pressure is sent into carbonation reactor, equipped with calcined in reactor
Calcium-base absorbing agent, at this time in carbonation reactor, in the main component CaO and combustion gas in calcined calcium-base absorbing agent
CO2Reaction generates CaCO3, to be stripped of the CO in combustion gas2；
Calcium-base absorbing agent after step 3 carbonating is sent into calcination and regeneration in calcination reactor, air through one-way control valve C
The pure oxygen and natural gas that separator generates are mixed and burned in calcination reactor, heat needed for providing calcining calcium-base absorbing agent；
The calcined calcium-base absorbing agent of step 4 returns in carbonation reactor again through one-way control valve D, realizes one
A complete circulation；The calcium-base absorbing agent repeatedly inactivated after circulation is discharged from the slag-drip opening of calcination reactor, while being added appropriate
Fresh calcium-base absorbing agent；
Step 5 calcines the CO of calcium-base absorbing agent release2The CO generated with combustion of natural gas2It is released through over-heat-exchanger C
After heat, sequentially enters compressor A, compressor B, compressor C and stored after carrying out multi-stage compression；Wherein, heat exchanger D, heat are handed over
Parallel operation E CO compressed to prime respectively2Air-flow carries out condensation water removal and reduces temperature；
Step 6 removes CO in carbonation reactor2Combustion gas afterwards continues to be fed into expansion work in expanding machine, drives step
Multi-stage compression unit mentioned in rapid five compresses CO2Air-flow；Combustion gas after finishing function in expanding machine be sent into waste heat boiler into
The recycling of row waste heat, heats vapor, and the combustion gas after waste heat boiler is sent into heat exchanger A, after condensation water removal, heat exchange
Device A exports the N of available high concentration2；
Vapor a part that step 7 waste heat boiler generates enters heat exchanger B by one-way control valve A, hands over through heat
Parallel operation B heats after adjusting temperature as heat source, and remaining vapor is sent into Absorption Refrigerator by one-way control valve B
Group provides heat for working medium regeneration.
Wherein:
Gas turbine or internal combustion engine mentioned in step 1 can have effects that identical equipment is replaced with other, not
It is limited only to gas turbine and internal combustion engine both forms.
Calcium-base absorbing agent is CaCO in step 23Or with CaO/Ca (OH)2/CaCO3Natural minerals as main component are useless
Gurry.In carbonation reactor, reaction temperature is 650~700 DEG C, and reaction pressure is by the combustion gas in entrance carbonation reactor
Pressure determines, gaseous-pressure can and different from different with gas turbine or internal combustion engine model, but be usually above normal pressure.
It is 900~950 DEG C that temperature required for calcium-base absorbing agent is calcined in step 3, and reaction pressure is normal pressure.Air point
Pure oxygen required for combustion of natural gas in calcination reactor, while the N of available high concentration are provided from device2.Step 3: step
It is real can to lock gas system by two-stage respectively for circulation of the calcium-base absorbing agent in carbonation reactor and calcination reactor in rapid four
It is existing.
For the CO of the outlet heat exchanger C in step 52It is not limited to three stage compression, it can be according to required CO2Pressure
Power takes suitable number of compression stages.
In step 7 can by control one-way control valve A and one-way control valve B aperture, thus control cooling load and
Heat load.
The utility model has the advantages that
1. heat supply, refrigeration, power generation, CO can be obtained simultaneously2And N2Five kinds of incomes, adequately achieve the cascade utilization of the energy；
2. whole system realizes CO2Zero-emission, be conducive to alleviate greenhouse effects；
3. the calcium-base absorbing agent inactivated after more than circulation can be used as the raw material of cement manufacturing facility, and then improve whole system
Economy.
Detailed description of the invention
Fig. 1 is embodiment schematic diagram.
Fig. 2 is a kind of CO towards Gas Generator Set heating-cooling-power cogeneration system2The schematic diagram of method for catching.
Have in figure: compressor 1, gas turbine or internal combustion engine 2, generator 3, carbonation reactor 4, expanding machine 5, waste heat pot
Furnace 6, heat exchanger A7, one-way control valve A8, heat exchanger B9, one-way control valve B10, absorption refrigeration unit 11, unidirectional control
Valve C12 processed, calcination reactor 13, one-way control valve D14, air separator 15, heat exchanger C16, compressor A17, heat exchange
Device D18, compressor B19, heat exchanger E20, compressor C21.
Specific embodiment
Embodiment
The present invention is done below with reference to embodiment and attached drawing and is further explained.Following embodiments do not limit in any form
The system present invention, all technical solutions obtained by the way of equivalent substitution or equivalent transformation are in protection model of the invention
Among enclosing.
A kind of CO towards Gas Generator Set heating-cooling-power cogeneration system2Method for catching, as shown in Figure 1, including the following steps:
Step 1 is introduced air into compressor, is passed through in gas turbine and is sprayed into natural after being compressed to specified pressure
Gas is mixed and burned, and generates the combustion gas of high temperature and pressure.In the present embodiment burner select gas turbine, the fuel gas temperature of generation and
Pressure is respectively 852 DEG C and 0.98MPa.Combustion gas expansion work in the gas turbine drives electrical power generators.To guarantee carbonating
Calcium-base absorbing agent is in removing CO in furnace2Optimum temperature, the present invention in combustion turbine exhaustion temperature be chosen to be 650 DEG C.Through counting
It calculates, combustion turbine exhaustion pressure corresponds to 0.44MPa at this time.
The combustion gas of step 2 gas turbine is discharged 650 DEG C, 0.44MPa are passed through in carbonating furnace, equipped with calcining in furnace
Calcium-base absorbing agent afterwards.CO in combustion gas2Carbonation reaction, reactional equation CaO+CO occurs with calcined calcium-base absorbing agent2
→CaCO3, to be stripped of the CO in combustion gas2.At the same time, the pressure that combustion gas itself has is conducive to adding for carbonation reaction
Speed carries out.
Calcium-base absorbing agent after step 3 carbonating, which is sent into calcining furnace, carries out calcination reaction, reactional equation CaCO3
→CaO+CO2,.Calcium-base absorbing agent after calcined, which is sent back to again in carbonating furnace, to be continued to absorb the CO in combustion gas2, Jin Ershi
Existing calcium-base absorbing agent recycles.Reaction temperature is usually 850~950 DEG C in calcining furnace, and 950 are set as in the present embodiment
℃.CaCO is calcined in calcining furnace3Origin of heat in the mixed firinor fuel burning of natural gas and pure oxygen, wherein pure oxygen is by air separator system
It takes.Air separator can obtain N while producing pure oxygen2, to N2It is compressible storage after simple process.Repeatedly circulation
The calcium-base absorbing agent inactivated afterwards is discharged from the slag-drip opening of calcining furnace, while adding the calcium-base absorbing agent of proper amount of fresh, to guarantee
Carbonate higher CO in furnace2Removal efficiency.
Step 4 is in calcining furnace, the CO of calcining calcium-base absorbing agent release2The CO generated with combustion of natural gas2Heat is sent into hand over
After parallel operation releases heat, stored after being sent into the compression of multi-stage compression unit.The compression of three stage compression unit is selected in the present embodiment
CO2, and to the CO after single stage compress2Air-flow heat exchanger condensation dehydration and reduction temperature.
Step 5 removes CO in carbonation reactor2Combustion gas afterwards continues to be fed into expansion work in expanding machine, drives step
Multi-stage compression unit mentioned in rapid four compresses CO2Air-flow.Combustion gas after finishing function in expanding machine be sent into waste heat boiler into
The recycling of row waste heat, heats vapor.Combustion gas after waste heat boiler is sent into heat exchanger, after condensation water removal, heat exchanger
Export the N of available high concentration2。
Vapor a part that step 6 waste heat boiler generates is made after heat exchanger adjusts temperature by one-way control valve
It heats for heat source.Remaining vapor is sent into absorption refrigeration unit by one-way control valve, provides heat for working medium regeneration
Amount.
Claims (9)
1. a kind of CO towards Gas Generator Set heating-cooling-power cogeneration system2Method for catching, it is characterised in that this method includes following step
It is rapid:
Air is sent into compressor (1) by step 1, is sent into gas turbine or internal combustion engine (2) after being compressed to specified pressure, pressure
Air after contracting is mixed and burned in gas turbine or internal combustion engine with the natural gas of penetrating, forms the combustion gas of high temperature and pressure, combustion gas
Expansion work pushes impeller rotation, and then drives generator (3) power generation；
Step 2 when the combustion gas of high temperature and pressure is reduced to 650 through burning expansion acting temperature in gas turbine or internal combustion engine~
At 700 DEG C, the flue gas by this part still with certain pressure is sent into carbonation reactor (4), is filled in carbonation reactor
Have calcined calcium-base absorbing agent, at this time in carbonation reactor, main component CaO in calcined calcium-base absorbing agent with
CO in combustion gas2Reaction generates CaCO3, to be stripped of the CO in combustion gas2；
Calcium-base absorbing agent after step 3 carbonating is sent into calcination and regeneration in calcination reactor (13) through one-way control valve C (12),
The pure oxygen and natural gas that air separator (15) generates are mixed and burned in calcination reactor, are provided needed for calcining calcium-base absorbing agent
Heat；
The calcined calcium-base absorbing agent of step 4 returns in carbonation reactor again through one-way control valve D (14), realizes one
A complete circulation；The calcium-base absorbing agent repeatedly inactivated after circulation is discharged from the slag-drip opening of calcination reactor, while being added appropriate
Fresh calcium-base absorbing agent；
Step 5 calcines the CO of calcium-base absorbing agent release2The CO generated with combustion of natural gas2It is released through over-heat-exchanger C (16)
After heat, sequentially enters compressor A (17), compressor B (19), compressor C (21) and stored after carrying out multi-stage compression；Wherein, hot
Exchanger D (18), heat exchanger E (20) CO compressed to prime respectively2Air-flow carries out condensation water removal and reduces temperature；
Step 6 removes CO in carbonation reactor2Combustion gas afterwards continues to be fed into expanding machine (5) interior expansion work, drives step
Compressor A (17), compressor B (19), compressor C (21) mentioned in five compress CO2Air-flow；After finishing function in expanding machine
Combustion gas be sent into waste heat boiler (6) and carry out waste heat recycling, heat vapor, heat exchanger A is sent into combustion gas after waste heat boiler
(7) in, after condensation water removal, heat exchanger A exports the N of available high concentration2；
Vapor a part that step 7 waste heat boiler generates enters heat exchanger B (9) by one-way control valve A (8), through heat
Exchanger B heats after adjusting temperature as heat source, and remaining vapor is sent into absorption system by one-way control valve B (10)
Cold group (11) provides heat for working medium regeneration.
2. a kind of CO towards Gas Generator Set heating-cooling-power cogeneration system according to claim 12Method for catching, feature
It is, the gas turbine or internal combustion engine mentioned in step 1 can have effects that identical equipment is replaced with other, and not only
It is confined to gas turbine and internal combustion engine both forms.
3. a kind of CO towards Gas Generator Set heating-cooling-power cogeneration system according to claim 12Method for catching, feature
It is, calcium-base absorbing agent is CaCO in step 23Or with CaO/Ca (OH)2/CaCO3Natural minerals as main component are discarded
Object or its mixture.
4. a kind of CO towards Gas Generator Set heating-cooling-power cogeneration system according to claim 12Method for catching, feature
It is, in step 2 in carbonation reactor, reaction temperature is 650~700 DEG C, and reaction pressure is by entering in carbonation reactor
The pressure of combustion gas determine, gaseous-pressure can and different from different with gas turbine or internal combustion engine model, but be higher than normal pressure.
5. a kind of CO towards Gas Generator Set heating-cooling-power cogeneration system according to claim 12Method for catching, feature
It is, it is 900~950 DEG C that temperature required for calcium-base absorbing agent is calcined in step 3, and reaction pressure is normal pressure.
6. a kind of CO towards Gas Generator Set heating-cooling-power cogeneration system according to claim 12Method for catching, feature
It is, air separator provides pure oxygen required for combustion of natural gas in calcination reactor, while available height in step 3
The N of concentration2。
7. a kind of CO towards Gas Generator Set heating-cooling-power cogeneration system according to claim 12Method for catching, feature
It is, Step 3: circulation of the calcium-base absorbing agent in carbonation reactor and calcination reactor can pass through respectively in step 4
Two-stage is locked gas system and is realized.
8. a kind of CO towards Gas Generator Set heating-cooling-power cogeneration system according to claim 12Method for catching, feature
It is, for the CO of the outlet heat exchanger C in step 52It is not limited to three stage compression, it can be according to required CO2Pressure it is true
Determine the series of multi-stage compression unit.
9. a kind of CO towards Gas Generator Set heating-cooling-power cogeneration system according to claim 12Method for catching, feature
It is, it can be by the aperture of control one-way control valve A and one-way control valve B, to control cooling load and confession in step 7
Warm load.
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| CN107035444A (en) * | 2017-04-21 | 2017-08-11 | 华电电力科学研究院 | One kind coupling thermal power generation and CO2The zero carbon polygenerations systeme and method of conversion |
| CN108151358B (en) * | 2017-12-08 | 2020-11-06 | 国网电力科学研究院(武汉)能效测评有限公司 | Renewable energy source drive-based combined cooling, heating, power and solid carbon supply multi-energy flow area energy station |
| CN108729965B (en) * | 2018-06-08 | 2023-11-03 | 华南理工大学 | Power generation system combining partial oxygen-enriched combustion of calcium-based chain and CO 2 Trapping method |
| CN111140445A (en) * | 2019-12-25 | 2020-05-12 | 天津大学 | Gas-steam combined cycle cooling, heating and power multi-energy combined supply system |
| CN113153449B (en) * | 2021-04-16 | 2023-04-11 | 浙江大学 | Combined heat and power generation system based on high-low temperature heat storage medium |
| CN113339769B (en) * | 2021-06-23 | 2022-08-30 | 浙江大学 | Multi-stage compression intercooling high-low temperature heat storage medium cogeneration system |
| CN114405247A (en) * | 2022-01-30 | 2022-04-29 | 中国华能集团清洁能源技术研究院有限公司 | Carbon dioxide capture system |
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