CN113623075A - IGCC system integrating high-temperature ion transport membrane oxygen generation and working method thereof - Google Patents
IGCC system integrating high-temperature ion transport membrane oxygen generation and working method thereof Download PDFInfo
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- CN113623075A CN113623075A CN202111083089.9A CN202111083089A CN113623075A CN 113623075 A CN113623075 A CN 113623075A CN 202111083089 A CN202111083089 A CN 202111083089A CN 113623075 A CN113623075 A CN 113623075A
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- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 67
- 239000001301 oxygen Substances 0.000 title claims abstract description 67
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 239000012528 membrane Substances 0.000 title claims abstract description 60
- 230000037427 ion transport Effects 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000007789 gas Substances 0.000 claims abstract description 60
- 238000002309 gasification Methods 0.000 claims abstract description 47
- 238000002485 combustion reaction Methods 0.000 claims abstract description 34
- 239000003245 coal Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 239000002918 waste heat Substances 0.000 claims description 25
- 230000015572 biosynthetic process Effects 0.000 claims description 22
- 238000003786 synthesis reaction Methods 0.000 claims description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- 238000006477 desulfuration reaction Methods 0.000 claims description 18
- 230000023556 desulfurization Effects 0.000 claims description 18
- 239000000428 dust Substances 0.000 claims description 18
- 238000011084 recovery Methods 0.000 claims description 18
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 15
- 229910052717 sulfur Inorganic materials 0.000 claims description 14
- 239000011593 sulfur Substances 0.000 claims description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 7
- 239000010881 fly ash Substances 0.000 claims description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 6
- 239000003546 flue gas Substances 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000005864 Sulphur Substances 0.000 claims 1
- 238000011017 operating method Methods 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 5
- 238000010248 power generation Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 239000002956 ash Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- -1 oxygen ions Chemical class 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0229—Purification or separation processes
- C01B13/0248—Physical processing only
- C01B13/0251—Physical processing only by making use of membranes
- C01B13/0255—Physical processing only by making use of membranes characterised by the type of membrane
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/86—Other features combined with waste-heat boilers
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/002—Removal of contaminants
- C10K1/003—Removal of contaminants of acid contaminants, e.g. acid gas removal
- C10K1/004—Sulfur containing contaminants, e.g. hydrogen sulfide
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
- F01K11/02—Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B33/00—Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
- F22B33/18—Combinations of steam boilers with other apparatus
-
- 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
- C01B2210/0028—Separation of the specific gas from gas mixtures containing a minor amount of this specific gas
-
- 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
- C01B2210/0043—Impurity removed
- C01B2210/0046—Nitrogen
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
- Y02E20/18—Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]
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- Oil, Petroleum & Natural Gas (AREA)
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- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses an Integrated Gasification Combined Cycle (IGCC) system for oxygen generation by a high-temperature ion transport membrane and a working method thereof, wherein the IGCC system comprises a gasification furnace, a combustion chamber and a turbine which are sequentially connected; the inlet of the gasification furnace is connected with water and coal, the combustion chamber and the turbine inlet are connected with the output end of the gas compressor, the output end of the gas compressor is connected with the permeation side inlet of the high-temperature ion transport membrane oxygen generation unit, the permeation side outlet of the high-temperature ion transport membrane oxygen generation unit is connected with the inlet of the combustion chamber, and the non-permeation side outlet of the high-temperature ion transport membrane oxygen generation unit is connected with the inlet of the gasification furnace. The cost and the energy consumption are reduced, an air compressor and an air heater which are needed by the high-temperature ion transport membrane oxygen production are omitted, the system flow is simplified, and the equipment investment is reduced.
Description
Technical Field
The invention belongs to the field of coal gasification combined cycle systems, and relates to an Integrated Gasification Combined Cycle (IGCC) system for oxygen generation by integrating a high-temperature ion transport membrane and a working method thereof.
Background
The high-temperature ion transport membrane technology is a novel air separation technology developed in nearly 20 years, and is rapidly developed due to the advantages of low investment, low energy consumption, high oxygen production purity (nearly 100 percent) and the like. The core of the high-temperature ion transport membrane technology is a non-porous mixed conduction oxygen permeable membrane which can operate at a higher temperature and a higher pressure, and when an oxygen partial pressure difference exists on two sides of the membrane, oxygen permeates from a high oxygen partial pressure side to a low oxygen partial pressure side in the form of oxygen ions, so that the separation of oxygen and nitrogen in air is realized.
However, the high-temperature ion transport membrane technology has good air separation efficiency only by operating at high temperature and high pressure. The conventional high-temperature ion transport membrane technology process needs to be independently provided with air compression and air heating links, the system is complex, and the energy consumption is high.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an Integrated Gasification Combined Cycle (IGCC) system for oxygen generation by integrating a high-temperature ion transport membrane and a working method thereof, so that the cost and the energy consumption are reduced, an air compressor and an air heater which are required by the oxygen generation by the high-temperature ion transport membrane are omitted, the system flow is simplified, and the equipment investment is reduced.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:
an Integrated Gasification Combined Cycle (IGCC) system for oxygen generation by a high-temperature ion transport membrane comprises a gasification furnace, a combustion chamber and a turbine which are sequentially connected;
the combustion chamber and the turbine inlet are connected with the output end of a gas compressor, the output end of the gas compressor is connected with the permeation side inlet of a high-temperature ion transport membrane oxygen generation unit, the permeation side outlet of the high-temperature ion transport membrane oxygen generation unit is connected with the combustion chamber inlet, and the non-permeation side outlet of the high-temperature ion transport membrane oxygen generation unit is connected with the gasification furnace inlet.
Preferably, the temperature within the high temperature ion transport membrane oxygen generation unit is greater than 400 ℃.
Preferably, the working pressure of the high-temperature ion transport membrane oxygen generation unit is 15-20 bar.
Preferably, a gas cooler, a dust removal unit, a desulfurization unit and a synthesis gas control unit are sequentially connected between the gasification furnace and the combustion chamber, the inlet of the gas cooler is connected with the outlet of the gasification furnace, and the outlet of the synthesis gas control unit is connected with the inlet of the combustion chamber.
Further, a low-temperature waste heat recovery unit is arranged between the dust removal unit and the desulfurization unit.
Furthermore, the outlet of the gas cooler is connected with the inlet of a waste heat boiler, and the outlet of the waste heat boiler is connected with the inlet of a steam turbine.
Further, the desulfurization unit is connected with a sulfur recovery unit.
Further, the outlet of the dust removal unit is connected with the inlet of the gasification furnace.
A method of operating an IGCC system based on any of the above integrated high temperature ion transport membrane oxygen generation, comprising the steps of:
coal is pretreated and then becomes and is sent into a gasification furnace, water is used as a raw material of gasification reaction and is sent into the gasification furnace, the coal is gasified and reacted with water and pure oxygen generated by a high-temperature ion transport membrane oxygen generation unit in the gasification furnace to generate synthetic gas, the synthetic gas is sent into a combustion chamber, an air compressor sucks air from the atmosphere, most of generated high-pressure air is sent into the combustion chamber, one part of generated high-pressure air is pumped and sent into the high-temperature ion transport membrane oxygen generation unit to prepare the pure oxygen, nitrogen-rich air at the outlet of the high-temperature ion transport membrane oxygen generation unit is sent back to the combustion chamber, the air, the nitrogen-rich air and the synthetic gas are combusted to generate high-temperature flue gas which is sent into a turbine to generate electricity, and the flue gas with higher temperature at the outlet of the turbine is sent into a waste heat boiler.
Preferably, the synthesis gas generated in the gasification furnace is cooled in a gas cooler, steam is generated at the same time, the synthesis gas is sent to a waste heat boiler, the synthesis gas is sent to a low-temperature waste heat recovery unit after passing through a dust removal unit, and fly ash generated by the dust removal unit is recycled to the gasification furnace; and the synthesis gas further cooled in the low-temperature waste heat recovery unit is sent to a desulfurization unit, the acid gas generated by the desulfurization unit is sent to a sulfur recovery unit to generate sulfur, and the clean synthesis gas generated by the desulfurization unit is diluted in a synthesis gas modulation unit and then sent to a combustion chamber.
Compared with the prior art, the invention has the following beneficial effects:
the invention uses the high-temperature ion transport membrane oxygen generation unit to replace a cryogenic air separation system, has lower oxygen generation cost and energy consumption than the cryogenic air separation, can improve the net power generation efficiency of the whole IGCC system, uses the air extracted by the air compressor as the raw material gas of the high-temperature ion transport membrane oxygen generation unit, and has the advantages that: the high-temperature ion transport membrane technology has the characteristic of low energy consumption for oxygen production, and air is extracted by using the air compressor with higher temperature and pressure, so that an air compressor and an air heater device are omitted, the system flow is simplified, and the equipment investment is reduced. The compression efficiency of the air compressor is far higher than that of an air compressor, and the air compressor is used for extracting air to serve as an oxygen generation raw material, so that the energy consumption of air compression can be reduced. In addition, part of air is extracted from the air compressor for oxygen production, so that the problem of through flow after low-calorific-value fuel is used can be relieved; the residual nitrogen-rich air with higher heat energy at the permeation side is injected into the combustion chamber to be mixed with high-temperature fuel gas, so that the utilization efficiency of heat energy is improved on one hand, the oxygen concentration in the combustion chamber is diluted on the other hand, the absolute flame temperature in the combustion chamber is reduced, and the NOx emission is reduced.
Furthermore, steam generated by the gas cooler is sent to the waste heat boiler to be overheated continuously and then sent to the steam turbine to generate electricity, so that the generating efficiency of the system is improved.
Furthermore, the sulfur recovery unit can generate sulfur from the acid gas generated by the desulfurization unit, so that the sulfur is prevented from being discharged into the atmosphere to pollute the environment.
Furthermore, the output end of the dust removal unit is connected with the gasification furnace, so that the fly ash generated by the dust removal unit can be recycled into the gasification furnace, and the environment pollution caused by the fly ash discharged into the atmosphere is avoided.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
Wherein: 1-gasification furnace; 2-gas cooler; 3-a dust removal unit; 4-a low temperature waste heat recovery unit; 5-a desulfurization unit; 6-a sulfur recovery unit; 7-synthetic gas modulation unit; 8-a combustion chamber; 9-a gas compressor; 10-turbine; 11-a waste heat boiler; 12-a steam turbine; 13-high temperature ion transport membrane oxygen generation unit.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1, the IGCC system for integrated high-temperature ion transport membrane oxygen generation according to the present invention includes a gasification furnace 1, a gas cooler 2, a dust removal unit 3, a low-temperature waste heat recovery unit 4, a desulfurization unit 5, a syngas modulation unit 7, a combustion chamber 8, a turbine 10, a waste heat boiler 11, and a steam turbine 12, which are connected in sequence.
The inlet of the gasification furnace 1 is communicated with water vapor and coal.
The gas outlet of the gas cooler 2 is connected with the waste heat boiler, and the steam generated by the gas cooler 2 is sent to the waste heat boiler 11 to be overheated continuously and then sent to the steam turbine 12 to generate power, so that the power generation efficiency of the system is improved.
The outlet of the dust removal unit 3 is connected with the inlet of the gasification furnace 1, so that the fly ash generated by the dust removal unit 3 can be recycled to the gasification furnace 1, and the environment pollution caused by the fly ash discharged into the atmosphere is avoided.
The desulfurization unit 5 is connected with a sulfur recovery unit 6, and the sulfur recovery unit 6 can generate sulfur from the acidic gas generated by the desulfurization unit 5, so that the acidic gas is prevented from being discharged into the atmosphere to pollute the environment.
The inlet of the combustion chamber 8 and the inlet of the turbine 10 are connected with the output end of a gas compressor 9, the output end of the gas compressor 9 is connected with the permeation side inlet of a high-temperature ion transport membrane oxygen generation unit 13, the permeation side outlet of the high-temperature ion transport membrane oxygen generation unit 13 is connected with the inlet of the combustion chamber 8, and the non-permeation side outlet of the high-temperature ion transport membrane oxygen generation unit 13 is connected with the inlet of the gasification furnace 1.
The temperature in the high temperature ion transport membrane oxygen generation unit 13 is greater than 400 ℃. The working pressure of the high-temperature ion transport membrane oxygen generation unit 13 is 15-20bar, and the working pressure is preferably 15bar in the embodiment.
The working method of the IGCC system integrating the high-temperature ion transport membrane oxygen generation comprises the following steps:
coal is pretreated to be sent into a gasification furnace 1, a strand of water is used as a raw material of gasification reaction and is sent into the gasification furnace 1, the coal is gasified and reacted with water and pure oxygen generated at a non-permeation side outlet of a high-temperature ion transport membrane oxygen generation unit 13 in the gasification furnace 1 to generate crude synthesis gas, and ash slag generated in the gasification process is discharged from the gasification furnace 1. The raw synthesis gas is cooled in the gas cooler 2, and at the same time, steam is generated and sent to the waste heat boiler 11. The raw synthesis gas is sent to a low-temperature waste heat recovery unit 4 after passing through a dust removal unit 3, and fly ash generated by the dust removal unit 3 is recycled to the gasification furnace 1. The further cooled synthesis gas is sent to a desulfurization unit 5, the acid gas generated by the desulfurization unit 5 is sent to a sulfur recovery unit 6 to generate sulfur, and the clean synthesis gas generated by the desulfurization unit 5 is diluted by a synthesis gas modulation unit 7 and then sent to a combustion chamber 8. The air compressor 9 sucks air from the atmosphere, most of the generated high-pressure air is sent to the combustion chamber 8, part of the high-pressure air is pumped and sent to the permeation side inlet of the high-temperature ion transport membrane oxygen generation unit 13 to generate pure oxygen, and the nitrogen-rich air at the permeation side outlet of the high-temperature ion transport membrane oxygen generation unit 13 is sent back to the combustion chamber 8. After the air, the nitrogen-rich air and the synthesis gas are combusted, high-temperature flue gas is generated and sent to the turbine 10 for power generation. The flue gas with higher temperature at the outlet of the turbine 10 is sent to a waste heat boiler 11, and the steam generated by the waste heat boiler 11 is sent to a turbine 12 for power generation.
The operating temperature range of the high-temperature ion transport membrane oxygen production unit 13 is higher than 400 ℃, the working pressure is 15bar, and part of air extracted from the outlet of the air compressor 9 just meets the parameters. Air extracted from the outlet of the air compressor 9 is sent to the permeation side of the high-temperature ion transport membrane oxygen generation unit 13, and pure oxygen generated at the non-permeation side is directly sent to the gasification furnace 1. The residual nitrogen-rich air at the permeation side still has higher heat energy, and is mixed with high-temperature fuel gas by being injected into the combustion chamber 8, so that the utilization efficiency of the heat energy is improved on one hand, the oxygen concentration in the combustion chamber 8 is diluted on the other hand, the absolute flame temperature in the combustion chamber 8 is reduced, and the NOx emission is reduced.
The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (10)
1. An Integrated Gasification Combined Cycle (IGCC) system for oxygen generation by a high-temperature ion transport membrane is characterized by comprising a gasification furnace (1), a combustion chamber (8) and a turbine (10) which are sequentially connected;
the inlet of the combustion chamber (8) and the inlet of the turbine (10) are connected with the output end of a gas compressor (9), the output end of the gas compressor (9) is connected with the inlet of the permeation side of a high-temperature ion transport membrane oxygen generation unit (13), the outlet of the permeation side of the high-temperature ion transport membrane oxygen generation unit (13) is connected with the inlet of the combustion chamber (8), and the outlet of the non-permeation side of the high-temperature ion transport membrane oxygen generation unit (13) is connected with the inlet of the gasification furnace (1).
2. An IGCC system with integrated high temperature ion transport membrane oxygen generation according to claim 1, characterized in that the temperature inside the high temperature ion transport membrane oxygen generation unit (13) is more than 400 ℃.
3. An IGCC system with integrated high temperature ion transport membrane oxygen generation according to claim 1, characterized in that the working pressure of the high temperature ion transport membrane oxygen generation unit (13) is 15-20 bar.
4. The IGCC system for integrated high temperature ion transport membrane oxygen generation as claimed in claim 1, wherein a gas cooler (2), a dust removal unit (3), a desulfurization unit (5) and a synthesis gas modulation unit (7) are connected between the gasification furnace (1) and the combustion chamber (8) in sequence, the inlet of the gas cooler (2) is connected with the outlet of the gasification furnace (1), and the outlet of the synthesis gas modulation unit (7) is connected with the inlet of the combustion chamber (8).
5. An IGCC system with integrated high temperature ion transport membrane oxygen generation according to claim 4, characterized in that a low temperature waste heat recovery unit (4) is arranged between the dust removal unit (3) and the desulphurization unit (5).
6. An IGCC system with integrated high temperature ion transport membrane oxygen generation according to claim 4, characterized in that the outlet of the gas cooler (2) is connected with the inlet of the waste heat boiler (11), and the outlet of the waste heat boiler (11) is connected with the inlet of the steam turbine (12).
7. An IGCC system with integrated high temperature ion transport membrane oxygen generation according to claim 4, characterized by a sulphur recovery unit (6) connected to the desulphurisation unit (5).
8. An IGCC system with integrated high temperature ion transport membrane oxygen generation according to claim 4, characterized in that the dust removal unit (3) outlet is connected with the gasifier (1) inlet.
9. A method of operating an IGCC system based on integrated high temperature ion transport membrane oxygen generation as claimed in any of claims 1-8, comprising the following process:
coal is pretreated and then becomes and is sent into a gasification furnace (1), water is used as a raw material of gasification reaction and is sent into the gasification furnace (1) at the same time, the coal and water in the gasification furnace (1) and pure oxygen generated by a high-temperature ion transport membrane oxygen generation unit (13) generate gasification reaction to generate synthetic gas, the synthetic gas is sent into a combustion chamber (8), an air compressor (9) sucks air from the atmosphere, most of generated high-pressure air is sent into the combustion chamber (9), one part of the generated high-pressure air is pumped into the high-temperature ion transport membrane oxygen generation unit (13) to generate pure oxygen, nitrogen-rich air at the outlet of the high-temperature ion transport membrane oxygen generation unit (13) is sent back into the combustion chamber (8), high-temperature flue gas generated after the air, the nitrogen-rich air and the synthetic gas are combusted is sent into a turbine (10) to generate power, and flue gas with higher temperature at the outlet of the turbine (10) is sent into a waste heat boiler (11).
10. The operating method of the IGCC system for integrated high temperature ion transport membrane oxygen production as claimed in claim 9, wherein the synthesis gas generated in the gasification furnace (1) is cooled in the gas cooler (2) and simultaneously generates steam, the steam is sent to the waste heat boiler (11), the synthesis gas is sent to the low temperature waste heat recovery unit (4) after passing through the dust removal unit (3), and the fly ash generated by the dust removal unit (3) is recycled to the gasification furnace; the synthesis gas further cooled in the low-temperature waste heat recovery unit (4) is sent to a desulfurization unit (5), the acid gas generated by the desulfurization unit (5) is sent to a sulfur recovery unit (6) to generate sulfur, and the clean synthesis gas generated by the desulfurization unit (5) is diluted in a synthesis gas modulation unit (7) and then sent to a combustion chamber (8).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111083089.9A CN113623075A (en) | 2021-09-15 | 2021-09-15 | IGCC system integrating high-temperature ion transport membrane oxygen generation and working method thereof |
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| CN202111083089.9A CN113623075A (en) | 2021-09-15 | 2021-09-15 | IGCC system integrating high-temperature ion transport membrane oxygen generation and working method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005282397A (en) * | 2004-03-29 | 2005-10-13 | Ishikawajima Harima Heavy Ind Co Ltd | Gas turbine engine and method for operating gas turbine engine |
| US20070033942A1 (en) * | 2005-08-10 | 2007-02-15 | Eribert Benz | Method for operating a gas turbine and a gas turbine for implementing the method |
| CN102966437A (en) * | 2012-11-08 | 2013-03-13 | 华北电力大学 | Pressurization CO2 zero discharge SOFC (solid oxide fuel cell) /GT (gas turbine) /AT (air turbine) /ST (steam turbine) composite dynamical system of integrated OTM (oxyanion transmission film) cathode exhaust producing oxygen |
| CN103912385A (en) * | 2014-04-03 | 2014-07-09 | 华北电力大学 | IGCC (integrated gasification combined cycle) system for capturing CO2 by integrated oxygen ion transmission membrane oxygen-enriched combustion method |
| US20160195014A1 (en) * | 2010-09-13 | 2016-07-07 | Membrane Technology And Research, Inc. | Membrane Technology for Use in a Power Generation Process |
| CN110655037A (en) * | 2019-10-31 | 2020-01-07 | 南京航空航天大学 | System and method for generating oxygen by using high-temperature waste heat ion membrane of aircraft engine |
| CN215860491U (en) * | 2021-09-15 | 2022-02-18 | 中国华能集团清洁能源技术研究院有限公司 | Integrated Integrated Gasification Combined Cycle (IGCC) system for generating oxygen by integrating high-temperature ion transport membrane |
-
2021
- 2021-09-15 CN CN202111083089.9A patent/CN113623075A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005282397A (en) * | 2004-03-29 | 2005-10-13 | Ishikawajima Harima Heavy Ind Co Ltd | Gas turbine engine and method for operating gas turbine engine |
| US20070033942A1 (en) * | 2005-08-10 | 2007-02-15 | Eribert Benz | Method for operating a gas turbine and a gas turbine for implementing the method |
| US20160195014A1 (en) * | 2010-09-13 | 2016-07-07 | Membrane Technology And Research, Inc. | Membrane Technology for Use in a Power Generation Process |
| CN102966437A (en) * | 2012-11-08 | 2013-03-13 | 华北电力大学 | Pressurization CO2 zero discharge SOFC (solid oxide fuel cell) /GT (gas turbine) /AT (air turbine) /ST (steam turbine) composite dynamical system of integrated OTM (oxyanion transmission film) cathode exhaust producing oxygen |
| CN103912385A (en) * | 2014-04-03 | 2014-07-09 | 华北电力大学 | IGCC (integrated gasification combined cycle) system for capturing CO2 by integrated oxygen ion transmission membrane oxygen-enriched combustion method |
| CN110655037A (en) * | 2019-10-31 | 2020-01-07 | 南京航空航天大学 | System and method for generating oxygen by using high-temperature waste heat ion membrane of aircraft engine |
| CN215860491U (en) * | 2021-09-15 | 2022-02-18 | 中国华能集团清洁能源技术研究院有限公司 | Integrated Integrated Gasification Combined Cycle (IGCC) system for generating oxygen by integrating high-temperature ion transport membrane |
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