CN205863298U - The front CO that burns can be realized2the integral coal gasification fuel cell power generating system of trapping - Google Patents
The front CO that burns can be realized2the integral coal gasification fuel cell power generating system of trapping Download PDFInfo
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- CN205863298U CN205863298U CN201620752403.6U CN201620752403U CN205863298U CN 205863298 U CN205863298 U CN 205863298U CN 201620752403 U CN201620752403 U CN 201620752403U CN 205863298 U CN205863298 U CN 205863298U
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
This utility model is a kind of to be realized burning the integral coal gasification fuel cell power generating system of front CO2 trapping, including air separation unit, gasification furnace, waste-heat recovery device, dust arrester, water-gas shift device, desulfurizer, CO2Purifying plant, fuel humidifier, separator, compress and liquefy device, catalytic burner, First Heat Exchanger, molten carbonate fuel cell, compressor, the second heat exchanger, the 3rd heat exchanger, turbine, electromotor and DC/AC transducer；This utility model achieves CO before burning in IGFC based on molten carbonate fuel cell2Trapping, it is possible to make the CO of system2Discharge capacity reduce by more than 75%, substantially increase the environmental protection characteristic of IGFC system such that it is able to realize coal resources clean and effective utilize.
Description
Technical field
This utility model belongs to technical field of power generation, particularly relates to the overall coal gas of a kind of front CO2 trapping that realizes burning
Change fuel cell power generating system.
Background technology
Global Environmental Problems with climate change as core is day by day serious, has become as the master threatening human kind sustainable development
Wanting one of factor, cutting down greenhouse gas emission becomes, with mitigation of climate change, the focus that current international community is paid close attention to.Along with the whole world
Greenhouse gas emission is increasingly paid close attention to, Kyoto Protocol, the holding of " Bali's route map ", specify that the whole world further
CO2Emission reduction targets and timetable, promoted the development of global low-carbon economy.
Integral coal gasification fuel cell (Integrated Gasification Fuel Cell, IGFC) electricity generation system is
What fuel cell technology for power generation combined with Coal Gasification Technology is the coal-fired power generator set of a new generation advanced person, and electricity generation system is big by three
Subsystem is constituted, i.e. gasification system, coal gas clean system and fuel cell generation.From maximizing and business-like
From the point of view of exhibition direction, IGFC efficiently, cleaning, twice laid, the feature such as Poly-generation and water saving organically combine it is considered to be
The Clean Coal Power Generating Technologies that 21 century is the most rising, it had both improve generating efficiency, and also been proposed and solve environmental problem
Approach.
Fuel cell technology for power generation is a kind of TRT that the chemical energy of fuel is directly converted into electric energy, fires with tradition
Coal power generation technology is different, and fuel cell is to use electrochemical catalysis, and the chemical energy in fuel is converted into electric energy, because of without heat
Mechanics circulation thus surmounted heat engine Carnot's cycle efficiency limit, current fuel cell aggregate efficiency between 45～60%, as
Make full use of and various generate heat, its comprehensive electric generating efficiency can close to 60%, considerably beyond conventional coal fired power plant (about 35%) with
And the generating efficiency of the Gas-steam Combined Cycle (about 45%) of advanced person, current fuel cell technology is in Filter Tuber For Clean Coal field
Application has obtained the great attention of industrially developed country.
A kind of high-temperature battery-molten carbonate fuel cell (Molten Carbonate Fuel in fuel cell
Cell, MCFC), due to needs CO2With the oxygen in air as oxidant, CO2It is converted at MCFC cathode catalysis with oxygen
CO3 2-, CO3 2-The H that anode is reforming with Organic substance is arrived by dielectric substrate2Reaction generates CO2And water, this process can
Utilize the CO in coal-fired plant flue gas2, by CO2Concentration reaches CO2The purpose being enriched with and capture.Therefore, on the basis of IGFC system
On realize CO further2Trapping, is conducive to promoting the development of low-carbon economy.
Summary of the invention
The purpose of this utility model is to provide the integral coal gasification fuel cell of a kind of front CO2 trapping that realizes burning to send out
Electric installation, this utility model achieves CO before burning in IGFC based on molten carbonate fuel cell2Trapping, it is possible to make
The CO of system2Discharge capacity reduce by more than 75%, substantially increase the environmental protection characteristic of IGFC system such that it is able to realize coal money
The clean and effective in source utilizes.
In order to achieve the above object, this utility model adopts the following technical scheme that:
A kind of integral coal gasification fuel cell power generating system of the front CO2 trapping that realizes burning, including air separation unit 1, empty
Separating device entrance is passed through air, and the oxygen outlet of air separation unit 1 connects the oxygen intake of gasification furnace 2, the nitrogen outlet of air separation unit 1
Connecing nitrogen storage device, the coal entrance of gasification furnace 2 adds coal, and the steam inlet of gasification furnace 2 adds steam, the High Temperature Gas of gasification furnace
Body outlet connects waste-heat recovery device 3, and the gas outlet of waste-heat recovery device 3 connects the entrance of dust arrester 4, dust arrester 4
Outlet connect water-gas shift device 5 entrance, water-gas shift device 5 outlet connect desulfurizer 6 entrance, desulfurizer
The outlet of 6 connects CO2The entrance of purifying plant 7, CO2The H of purifying plant 72Outlet connects the entrance of fuel humidifier 8, CO2Carry
The CO of pure device 72Outlet connects the entrance of separator 9；The CO of the first outlet of separator 92Gas is passed into and compresses and liquefies device
In 10, compress and liquefy outlet output liquid CO of device 102；Second outlet CO of separator 92Gas is passed into catalytic burner
In 11；The outlet of fuel humidifier 8 connects the cryogenic gas entrance of First Heat Exchanger 12, and the cryogenic gas of First Heat Exchanger 12 goes out
Mouth connects the anode inlet of molten carbonate fuel cell 13, and the anode export of molten carbonate fuel cell 13 connects catalysis combustion
Second entrance of burner 11；The entrance of compressor 14 is passed through air, and the outlet of compressor 14 connects the low temperature of the second heat exchanger 15
Gas access, the cryogenic gas outlet of the second heat exchanger 15 connects the cryogenic gas entrance of the 3rd heat exchanger 16, the 3rd heat exchanger
The cryogenic gas outlet of 16 connects the gas access of turbine 17, and the 3rd of gas outlet's connection catalytic burner 11 of turbine 17 enters
Mouthful, meanwhile, turbine 17 externally exports shaft work, and the shaft work of output drives compressor 14 to rotate, and drives 18 turns of electromotor simultaneously
Move and export electric energy；The gas outlet of catalytic burner 11 connects the high-temperature gas entrance of the 3rd heat exchanger 16, the 3rd heat exchanger
The high-temperature gas outlet of 16 connects the cathode inlet of molten carbonate fuel cell 13, the negative electrode of molten carbonate fuel cell 13
Outlet connects the high-temperature gas entrance of First Heat Exchanger 12, and the high-temperature gas outlet of First Heat Exchanger 12 connects the second heat exchanger 15
High-temperature gas entrance, the second heat exchanger 15 high-temperature gas outlet discharge waste gas；Occur in molten carbonate fuel cell 13
Electrochemical reaction produces unidirectional current, DC supply input to DC/AC transducer 19, DC/AC transducer 19 external output AC electricity.
Oxygen in air and nitrogen are separated by described air separation unit 1 by Deep Cooling Method, and oxygen is transported to gasification
In stove 2.
In described gasification furnace 2, reaction generates synthesis gas, and it is H that synthesis gas mainly becomes2、H2O、CO、CO2、CH4、H2S and COS.
Described waste-heat recovery device 3 reclaims the heat in synthesis gas, and producing steam by waste heat boiler.
Described dust arrester 4 uses sack cleaner or electric cleaner or ceramic filter, the granule in removing synthesis gas
Thing so that mine dust content is less than 100mg/Nm3。
Described water-gas shift device 5, uses resistant to sulfur water-gas shift technique, by water gas shift reation CO+H2O=H2+CO2
CO in synthesis gas is transformed to H2So that in exit gas, CO ratio is less than 0.5%.
Described desulfurizer 6 uses low-temp methanol to wash method or NHD method so that exit H2S and COS content is less than 1ppm.
Described CO2Purifying plant 7, uses pressure swing adsorption method, the CO in separating synthetic gas2, CO2Concentration higher than 99%, surplus
Residual air body is as H2Fuel gas.
Described fuel humidifier 8, uses steam method, improves H2Fuel wherein H2The content of O so that H2O mole contains
Amount > 5%.
Described catalytic burner 11 makes the H in gas by catalyst2, CO and CH4With O2Chemical reaction is occurred to generate
H2O also discharges heat.
Described molten carbonate fuel cell 13 is made up of anode, negative electrode, electrolyte membrance, and negative electrode and anode are respectively at electricity
Solving matter barrier film both sides, fuel and oxidant each lead in anode and cathode chamber, and electrochemical reaction occur, and produce electric energy
And heat, battery operating temperature is at 650 DEG C, and the scale of battery is amplified by multiple battery pile connection in series-parallel.
Described compressor 14, turbine 17 and electromotor 18 are installed on same axis, and turbine 17 is at pressure high temperature hot gas
The lower rotational band of impact moves compressor 14 and electromotor 18 rotates, compressor 14 make the pressure of air by normal pressure increase to 4Mpa with
On, electromotor 18 then produces AC energy.
This utility model achieves CO before burning in IGFC based on molten carbonate fuel cell2Trapping, it is possible to make
The CO of the system of obtaining2Discharge capacity reduce by more than 75%, substantially increase the environmental protection characteristic of IGFC system such that it is able to realize coal
The clean and effective of resource utilizes.
Accompanying drawing explanation
Fig. 1 is the integral coal gasification fuel cell power generating system of a kind of front CO2 trapping that realizes burning of this utility model
Schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described further.
Case study on implementation
Coal, steam and oxygen are passed through gasification furnace 2 and produce synthesis gas, and the temperature of synthesis gas is 900 DEG C, and component is CO ≈
67%, H2≈ 25%, CO2≈ 7%, remaining component is N2, H2S, COS, CH4In impurity gas.Synthesis gas first passes around waste heat recovery
Device 3 heat exchange, temperature is reduced to less than 150 DEG C, then passes to dust arrester 4 so that particulate matter component is less than 100mg/Nm3；
It is passed into again in water-gas shift device 5 so that CO < 0.5%, H in synthesis gas2> 60%；Then desulfurizer 6 it is passed into so that
H2S and COS concentration is less than 1ppm；It is passed through CO again2Purifying plant 7, by pressure-variable adsorption by CO2Concentration bring up to more than 99%,
Remaining gas is as H2Fuel gas.High concentration CO2Gas is divided into two strands of gases, the CO of 75% through separator 92Gas is passed through
Liquid CO is become to compressing and liquefying device 102, the CO of other 25%2It is passed in catalytic burner 11.H2Fuel gas is through fuel
Humidifier 8 so that H in gas2O molar content > 5%, it is then passed through First Heat Exchanger 12 and makes H2Fuel gas temperature rises to 500
DEG C then pass to the anode of molten carbonate fuel cell (MCFC) 13, electrochemical reaction H occurs2+CO3 2-=H2O+CO2+
e2-, the gas of anode export is passed in catalytic burner 11.Meanwhile, air is forced into 6Mpa by compressor 14, connects
And improve the temperature of air to more than 800 DEG C through the second heat exchanger 15 and the 3rd heat exchanger 16, then air passes through turbine 17
Doing work and drive compressor 14 to rotate and generate electricity with electromotor 18, air is decrease temperature and pressure after turbine 17, and is passed into further
In catalytic burner 11.In catalytic burner 11, the most anti-in molten carbonate fuel cell (MCFC) 13 anode outlet gases
The H answered2Occurring chemical reaction to release heat, raising gas temperature is to more than 900 DEG C, after then being lowered the temperature by the 3rd heat exchanger 16
It is passed through molten carbonate fuel cell (MCFC) 13 cathode chamber, electrochemical reaction O occurs at negative electrode2+2CO2+ 4e-=
CO3 2-, there is electrochemical reaction and produce unidirectional current in fuel and oxidant in molten carbonate fuel cell (MCFC) 13, warp
Cross DC/AC converter 19 and be converted into alternating current.
Claims (4)
1. the integral coal gasification fuel cell power generating system of the front CO2 trapping that can realize burning, it is characterised in that: include space division
Device (1), air separation unit entrance is passed through air, and the oxygen outlet of air separation unit (1) connects the oxygen intake of gasification furnace (2), space division
The nitrogen outlet of device (1) connects nitrogen storage device, and the coal entrance of gasification furnace (2) adds coal, and the steam inlet of gasification furnace (2) adds
Entering steam, the high-temperature gas outlet of gasification furnace (2) connects waste-heat recovery device (3), and the gas outlet of waste-heat recovery device (3) is even
Connecing the entrance of dust arrester (4), the outlet of dust arrester (4) connects the entrance of water-gas shift device (5), water-gas shift device
(5) outlet connects the entrance of desulfurizer (6), and the outlet of desulfurizer (6) connects CO2The entrance of purifying plant (7), CO2Carry
The H of pure device (7)2Outlet connects the entrance of fuel humidifier (8), CO2The CO of purifying plant (7)2Outlet connects separator (9)
Entrance；The CO of the first outlet of separator (9)2Gas is passed into and compresses and liquefies in device (10), compresses and liquefies device (10)
Outlet output liquid CO2；Second outlet CO of separator (9)2Gas is passed in catalytic burner (11)；Fuel humidifier
(8) outlet connects the cryogenic gas entrance of First Heat Exchanger (12), and the cryogenic gas outlet of First Heat Exchanger (12) connects molten
Melting the anode inlet of carbonate fuel battery (13), the anode export of molten carbonate fuel cell (13) connects catalytic burner
(11) the second entrance；The entrance of compressor (14) is passed through air, and the outlet of compressor (14) connects the second heat exchanger (15)
Cryogenic gas entrance, the cryogenic gas outlet of the second heat exchanger (15) connects the cryogenic gas entrance of the 3rd heat exchanger (16), the
The cryogenic gas outlet of three heat exchangers (16) connects the gas access of turbine (17), and the gas outlet of turbine (17) connects catalysis combustion
3rd entrance of burner (11), meanwhile, turbine (17) externally exports shaft work, and the shaft work of output drives compressor (14) to turn
Dynamic, drive electromotor (18) rotate and export electric energy simultaneously；The gas outlet of catalytic burner (11) connects the 3rd heat exchanger
(16) high-temperature gas entrance, the high-temperature gas outlet of the 3rd heat exchanger (16) connects the moon of molten carbonate fuel cell (13)
Pole entrance, the high-temperature gas entrance of cathode outlet connection First Heat Exchanger (12) of molten carbonate fuel cell (13), first
The high-temperature gas outlet of heat exchanger (12) connects the high-temperature gas entrance of the second heat exchanger (15), the high temperature of the second heat exchanger (15)
Gas outlet discharges waste gas；Electrochemical reaction is occurred to produce unidirectional current, DC supply input in molten carbonate fuel cell (13)
To DC/AC transducer (19), DC/AC transducer (19) externally output AC electricity.
The integral coal gasification fuel cell power generating system of a kind of front CO2 trapping that realizes burning the most according to claim 1,
It is characterized in that: described dust arrester (4) uses sack cleaner or electric cleaner or ceramic filter, in removing synthesis gas
Particulate matter.
The integral coal gasification fuel cell power generating system of a kind of front CO2 trapping that realizes burning the most according to claim 1,
It is characterized in that: described molten carbonate fuel cell (13) is made up of anode, negative electrode, electrolyte membrance, and negative electrode and anode divide
Not in electrolyte membrance both sides.
The integral coal gasification fuel cell power generating system of a kind of front CO2 trapping that realizes burning the most according to claim 1,
It is characterized in that: described compressor (14), turbine (17) and electromotor (18) are installed on same axis.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620752403.6U CN205863298U (en) | 2016-07-15 | 2016-07-15 | The front CO that burns can be realized2the integral coal gasification fuel cell power generating system of trapping |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620752403.6U CN205863298U (en) | 2016-07-15 | 2016-07-15 | The front CO that burns can be realized2the integral coal gasification fuel cell power generating system of trapping |
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| CN205863298U true CN205863298U (en) | 2017-01-04 |
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ID=57646029
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025313A (en) * | 2016-07-15 | 2016-10-12 | 中国华能集团清洁能源技术研究院有限公司 | Integrated gasification fuel cell power generation system capable of realizing CO2 trapping before combustion |
| CN107569981A (en) * | 2017-10-11 | 2018-01-12 | 杨正山 | A kind of coal-burning power plant's flue gas collecting carbonic anhydride coupled biological charcoal preparation technology |
| CN107785599A (en) * | 2017-10-25 | 2018-03-09 | 中国华能集团清洁能源技术研究院有限公司 | A kind of tandem melting carbonate fuel cell generation system and method |
| CN108386344A (en) * | 2018-03-09 | 2018-08-10 | 重庆大学 | The electrification energy storage system and control method of fuel cell and compressed-air energy storage coupling |
| CN109361000A (en) * | 2018-09-04 | 2019-02-19 | 新地能源工程技术有限公司 | Integral coal gasification solid oxide fuel cell-steam turbine combined generating system and technique |
| CN109799322A (en) * | 2019-03-12 | 2019-05-24 | 中国华能集团清洁能源技术研究院有限公司 | A kind of multifunctional coal gasification experiment test device |
| CN111548826A (en) * | 2020-04-13 | 2020-08-18 | 哈尔滨锅炉厂有限责任公司 | Biomass gas boiler transformation method for MCFC circulation loop fuel cell-biomass gas-pulverized coal coupling and ammonia synthesis |
| CN113982753A (en) * | 2021-11-03 | 2022-01-28 | 上海交通大学 | Coal gasification and SOFC-HAT integrated hybrid power generation system |
-
2016
- 2016-07-15 CN CN201620752403.6U patent/CN205863298U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025313A (en) * | 2016-07-15 | 2016-10-12 | 中国华能集团清洁能源技术研究院有限公司 | Integrated gasification fuel cell power generation system capable of realizing CO2 trapping before combustion |
| CN106025313B (en) * | 2016-07-15 | 2018-07-10 | 中国华能集团清洁能源技术研究院有限公司 | CO before burning can be achieved2The integral coal gasification fuel cell generation of trapping |
| CN107569981A (en) * | 2017-10-11 | 2018-01-12 | 杨正山 | A kind of coal-burning power plant's flue gas collecting carbonic anhydride coupled biological charcoal preparation technology |
| CN107785599A (en) * | 2017-10-25 | 2018-03-09 | 中国华能集团清洁能源技术研究院有限公司 | A kind of tandem melting carbonate fuel cell generation system and method |
| CN107785599B (en) * | 2017-10-25 | 2023-06-02 | 中国华能集团清洁能源技术研究院有限公司 | Series molten carbonate fuel cell power generation system and method |
| CN108386344A (en) * | 2018-03-09 | 2018-08-10 | 重庆大学 | The electrification energy storage system and control method of fuel cell and compressed-air energy storage coupling |
| CN109361000A (en) * | 2018-09-04 | 2019-02-19 | 新地能源工程技术有限公司 | Integral coal gasification solid oxide fuel cell-steam turbine combined generating system and technique |
| CN109799322A (en) * | 2019-03-12 | 2019-05-24 | 中国华能集团清洁能源技术研究院有限公司 | A kind of multifunctional coal gasification experiment test device |
| CN111548826A (en) * | 2020-04-13 | 2020-08-18 | 哈尔滨锅炉厂有限责任公司 | Biomass gas boiler transformation method for MCFC circulation loop fuel cell-biomass gas-pulverized coal coupling and ammonia synthesis |
| CN111548826B (en) * | 2020-04-13 | 2021-07-20 | 哈尔滨锅炉厂有限责任公司 | Biomass gas boiler transformation method for MCFC circulation loop fuel cell-biomass gas-pulverized coal coupling and ammonia synthesis |
| CN113982753A (en) * | 2021-11-03 | 2022-01-28 | 上海交通大学 | Coal gasification and SOFC-HAT integrated hybrid power generation system |
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