CN104064788B - Fuel battery thermoelectric cascade system capable of increasing energy utilization rate of coal bed gas - Google Patents
Fuel battery thermoelectric cascade system capable of increasing energy utilization rate of coal bed gas Download PDFInfo
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- CN104064788B CN104064788B CN201410274586.0A CN201410274586A CN104064788B CN 104064788 B CN104064788 B CN 104064788B CN 201410274586 A CN201410274586 A CN 201410274586A CN 104064788 B CN104064788 B CN 104064788B
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- heat
- fuel cell
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- temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04029—Heat exchange using liquids
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/40—Combination of fuel cells with other energy production systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/40—Combination of fuel cells with other energy production systems
- H01M2250/402—Combination of fuel cell with other electric generators
-
- 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
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention discloses a fuel battery thermoelectric cascade system capable of increasing the energy utilization rate of coal bed gas. The fuel battery thermoelectric cascade system comprises a fuel treatment device, a fuel battery reaction group, a burning electricity storage device, a heat storage group, an auxiliary temperature control device, a turbine generator, a heat exchange device, a water gas making device, a hot water supply system and a main control system, wherein the fuel treatment device is connected with the fuel battery reaction group; the fuel battery reaction group is connected with the burning electricity storage device, the auxiliary temperature control device and the heat storage group; the heat storage group is connected with the turbine generator; the turbine generator and the burning electricity storage device penetrate through the heat exchange device to connected with the auxiliary temperature control device; the heat exchange device and the water gas making device are connected with the hot water supply system. The fuel battery thermoelectric cascade system provided by the invention can use heat generated by power generation of the coal bed gas, so that the energy utilization rate is increased; the energy utilization rate can be over 80 percent theoretically, and the coal bed gas is used to the maximum extent.
Description
Technical field
The present invention relates to fuel cell thermoelectricity contact system, more particularly, to a kind of fuel electricity improving coal bed gas capacity usage ratio
Pond thermoelectricity contact system.
Background technology
The coal resource of China enriches, and the coal bed gas of association therewith is it is predicted that stock number is equivalent to 45,000,000,000 tons of coals, and normal
The stock number of rule natural gas is suitable.It is also safe major hidden danger in the coal bed gas of the recovery process association in colliery, according to statistics often
Year is up to 200 billion cubic meters to the coal bed gas of airborne release, not only pollutes the environment of locality, also can produce the greenhouse effect in the whole world
Should.
Coal bed gas is enriched in the mixed gas of methane, for medium methane content in a large number coal bed gas typically directly as the people
With fuel or generating, but consumption is limited；It is all to be directly emitted it is impossible to be utilized well for low gas, and
It is direct combustion power generation that present coal bed gas generates electricity mostly, so not only pollutes environment, and capacity usage ratio is not high maximum yet
Have 45%.To coal bed gas is used for chemical field, then methane content must be made to bring up to more than 95%, generally adopt transformation to inhale
Attached or cryogenic separation.Topmost purpose is exactly to produce heat and generating power to coal bed gas now, but said method is not all good by it
In conjunction with capacity usage ratio is relatively low.
Content of the invention
In view of the drawbacks described above of prior art, the technical problem to be solved is to provide a kind of raising coal bed gas
The fuel cell thermoelectricity contact system of capacity usage ratio, also uses the heat producing when coal bed gas generates electricity, increased energy
Amount utilization rate.
For achieving the above object, the invention provides a kind of fuel cell thermoelectricity improving coal bed gas capacity usage ratio contacts
System, including fuel treating equipment, fuel cell reaction group, power reserve, accumulation of heat group, aids in temperature control device, turbogenerator, warm
Switch, make water gas device, hot water supply system and turn-key system, extraction coal bed gas out and air are each passed through
Described fuel treating equipment, described fuel treating equipment is connected with described fuel cell reaction group, described fuel cell reaction group
Produce unidirectional current and heat, described fuel cell reaction group and described combustion electric energy storage, described auxiliary using coal bed gas and air
Temperature regulating device is connected with described accumulation of heat group, and the power storage that described fuel cell reaction group produces is risen by described combustion electric energy storage
Come and unidirectional current is changed alternating current, described aids in temperature control device controls the temperature of fuel cell reaction group, described accumulation of heat group pair
High temperature needed for the high-temperature gas that described fuel cell reaction group produces carries out pressurized storage and provides for described turbogenerator is high
Calm the anger body, described turbine generation is connected with described aids in temperature control device through described heat-exchange device with described combustion electric energy storage
Connect, the fax that described turbogenerator is produced by heat-exchange device to described electric power storing device, handing over through described heat in real time
The remaining heat of changing device passes to described aids in temperature control device machine and preserves, and described heat-exchange device makes water gas device with described
Be connected with described hot water supply system, described make the vapor that water gas device utilizes described heat-exchange device to produce with vehement
Hot coal reaction generates water gas, and described hot water supply system is connected with described making water gas device and daily device of living,
Described making water gas device is produced water gas and is sent to the daily device of described life, described general control system and described fuel
Processing meanss, described fuel cell reaction group, described power reserve, described accumulation of heat group, described aids in temperature control device, described turbine
Electromotor, described heat-exchange device, described hot water supply system, described making water gas device connect, to each dress above-mentioned
The data put is detected and is stored.
In the better embodiment of the present invention, described aids in temperature control device includes heating apparatuss, chiller, insulation dress
Put and temperature sensing device.
In another better embodiment of the present invention, described fuel treating equipment includes the methane gas of pure concentration and dense
Degree sensor.
In the better embodiment of the present invention, described fuel cell reaction group is SOFC, described
The electrolyte that SOFC uses is the zirconium oxide of yittrium oxide, described zirconium oxide be a kind of conductible different oxygen from
The ceramic material of son, described zirconic negative electrode and anode are all loose structures, and described each contact site zirconic passes through
Ceramic joining, described fuel cell reaction is assembled with temperature sensing device.
In another better embodiment of the present invention, described combustion electric energy storage includes the storage of electric energy and unidirectional current to friendship
The device of stream high-tension electricity conversion.
In the better embodiment of the present invention, described accumulation of heat group includes pressure and temperature sensor and to high-temperature gas
The device of storage and the pressue device to high-temperature gas.
In another better embodiment of the present invention, described turbogenerator is steam turbine generator.
In the better embodiment of the present invention, described heat-exchange device is vortex hotting mask heat exchanger.
In another better embodiment of the present invention, described making water gas device includes furnace construction, described stove
Structure adopts UGI gasification furnace pattern or the device using resting period formula fixed bed production technology.
In the better embodiment of the present invention, described hot water supply system includes pressurizer and attemperator.
The fuel cell thermoelectricity contact system that the present invention provides, can also utilize the heat producing when coal bed gas generates electricity
Get up, increased capacity usage ratio, capacity usage ratio can reach more than 80% in theory, maximized utilization coal bed gas.
Technique effect below with reference to design, concrete structure and generation to the present invention for the accompanying drawing is described further, with
It is fully understood from the purpose of the present invention, feature and effect.
Brief description
Fig. 1 is the fuel cell thermoelectricity connection system structure diagram of a preferred embodiment of the present invention；
Fig. 2 is fuel cell reaction group reaction principle schematic diagram；
Fig. 3 is fuel cell reaction group reaction structure face and gas flow schematic diagram.
Specific embodiment
As shown in figure 1, a kind of fuel cell thermoelectricity contact system improving coal bed gas capacity usage ratio, including fuel treatment dress
Put 1, fuel cell reaction group 2, electric energy storage 3, accumulation of heat group 4, aids in temperature control device 5, turbogenerator 6, heat-exchange device 7,
Hot water supply system 9, makes water gas device 8 and turn-key system 10.Fuel treating equipment 1 is connected with fuel cell reaction group 2,
Fuel cell reaction group 2 is connected with accumulation of heat group 4 with combustion electric energy storage 3, aids in temperature control device 5, accumulation of heat group 4 and turbogenerator
6 are connected, and turbogenerator 6 is connected with aids in temperature control device 5 through heat-exchange device 7 with combustion electric energy storage 3, and heat exchange fills
Put 7 to be connected with making water gas device 8 and hot water supply system 9.General control system 10 is connected with each above-mentioned device,
The data of each device is detected and is stored.
Aids in temperature control device 5 includes heating apparatuss, chiller, attemperator and temperature sensing device, the form heated
Heat mainly by electric power, chiller is cooled down mainly by water, the mode of insulation leans on couveuse.Aids in temperature control device 5 and combustion
Material cell reaction group 2 connects, and can control the temperature of fuel cell reaction group 2, reach its job requirement temperature its heat, also
Play cooling effect and storage reacting gas recycles.
Fuel treating equipment 1 includes methane gas and the concentration sensor of pure concentration, and concentration induction apparatuss can test coal output layer
The methane content of gas, if there is the methane of pure concentration can be to the logical coal bed gas entering on methane content deficiency fuel treating equipment 1
Supplemented, reach suitable concentration and ensure that reaction is carried out.
The reaction principle schematic diagram of fuel cell reaction group 2 is as shown in Fig. 2 fuel cell reaction group 2 is soild oxide
Fuel cell, it use electrolyte be yittrium oxide zirconium oxide, a kind of ceramic material of conductible different oxonium ion, negative electrode and
Anode is all loose structure, and each contact site passes through ceramic joining.Fuel cell reaction group 2 is equipped with temperature sensing device.Combustion
Material cell reaction group 2 produces unidirectional current and heat, fuel cell reaction group 2 reaction structure face and gas using coal bed gas and air
Flowing is as shown in Figure 3.
Electric energy storage 3 includes the device that the storage of electric energy and unidirectional current are changed to AC high voltage.Combustion electric energy storage 3 will fire
The power storage that material cell reaction group 2 produces is got up and unidirectional current is changed alternating current；
Accumulation of heat group 4 includes pressure and temperature sensor and the storage device to high-temperature gas and the pressurization to high-temperature gas
Device.Accumulation of heat group 4 is connected with fuel cell reaction group 2 and turbogenerator 6, the High Temperature Gas that fuel cell reaction group 2 is produced
Body carries out pressurized storage and provides required high temperature and high pressure gas for steam turbin generator 6, and heat-exchange device 7 is that vortex hotting mask changes
Hot device.Turbogenerator 6 is connected with aids in temperature control device 5 with combustion electric energy storage 3, heat-exchange device 7, by the fax producing to electricity
Power storage device 3, preserves passing to aids in temperature control device machine 5 through the remaining energy of heat-exchange device 7
Making water gas device 8 utilizes the vapor that described heat-exchange device 7 produces to generate water coal with red-hot coal reaction
Gas.Make water gas device 8 and include furnace construction, stove adopts UGI gasification furnace pattern and using the life of resting period formula fixed bed
The device of product technology.
Hot water supply system 9 includes pressurizer and attemperator, with making water gas device 8 and daily device phase of living
Even, the vapor of generation is passed through making water gas device 8 and produces water gas, and the hot water producing is fed to needed for daily life
Local.
General control system 10 be total signal collection device can the signal collection of each device get up conversion electrons letter
Breath is monitored and stores.
Disclosed in the present embodiment, fuel cell thermoelectricity connection system work process is as follows：
(1) first extraction coal bed gas out and air are each passed through fuel treating equipment 1, in fuel treating equipment 1
Concentration induction installation can test out the methane content of coal bed gas, if having pure dense on methane content deficiency fuel treating equipment 1
The methane of degree can supplement to the logical coal bed gas entering, and reach suitable concentration and ensure that reaction is carried out.
(2) aids in temperature control device 5 can electrified regulation fuel cell reaction group 2 improve before fuel cell reaction group 2 works
Its temperature reaches requirement temperature, then passes to the coal bed gas after fuel treating equipment 1 is processed and is reacted, in course of reaction
The fax producing is laid in electric energy storage 3, and the gases at high pressure of generation enter accumulation of heat group 4, the temperature sense on fuel cell
Device can monitor that reaction temperature passes to general control system at any time, if reaction temperature is too high, aids in temperature control device 5 can be to fuel cell
The water that reaction group 2 is passed through cooling is lowered the temperature, and makes temperature reach anti-required normal temperature.
(3) accumulation of heat group 4 can carry out storage its temperature of holding and increase its pressure, the pressure of accumulation of heat group 4 to gases at high pressure
Strong induction apparatuss and temperature inductor can test temperature and the pressure of high-temperature gas, and transfer them to general control system 10, high
Before entering turbogenerator 6, accumulation of heat group 4 can keep increasing the pressure of High Temperature Gas wet body, and aids in temperature control device 5 can be process
The gas of heat-exchange device 7 stores and heats and then the high-temperature gas of heating is reached accumulation of heat group by fuel cell reaction group 2
4, reach the temperature needed for turbogenerator 6 and pressure, be passed through in turbogenerator 6 and generated electricity.
(4) turbogenerator 6 is generated electricity, and the electricity of generation is passed through electrical power storage 3, through the High Temperature Gas of turbogenerator 6
Body passes through heat-exchange device 7 entrance aids in temperature control device 5 to carry out storage and is circulated utilization.
(5) high-temperature gas passes through 7 water heating hot water and steams of generation of heat-exchange device, and the hot water producing is passed through heat
Water supply system 9 is stored and is supplied, and vapor is passed through making water gas device 8 and makes water gas.
(6) general control system is connected with each device and the data of each device can be detected and store.
The fuel cell thermoelectricity contact system of gas utilization disclosed in the embodiment of the present invention is by solid oxide fuel electricity
The electrochemical action in pond, makes the chemical energy of coal bed gas and air be converted into the TRT of electric energy, in the process generating electricity also
Substantial amounts of heat can be produced, thus improving the utilization rate of coal bed gas.
The preferred embodiment of the present invention described in detail above.It should be appreciated that the ordinary skill of this area need not be created
The property made work just can make many modifications and variations according to the design of the present invention.Therefore, all technical staff in the art
Pass through the available technology of logical analysis, reasoning, or a limited experiment under this invention's idea on the basis of existing technology
Scheme, all should be in the protection domain being defined in the patent claims.
Claims (2)
1. a kind of fuel cell thermoelectricity contact system improving coal bed gas capacity usage ratio is it is characterised in that include fuel treatment dress
Put (1), fuel cell reaction group (2), power store (3), accumulation of heat group (4), sub-controlling unit (5), turbogenerator
(6), heat-exchange device (7), make water gas device (8), hot water supply system (9) and turn-key system (10), extraction is out
Coal bed gas and air are each passed through described fuel treating equipment (1), described fuel treating equipment (1) and described fuel cell reaction
Group (2) connects, and described fuel cell reaction group (2) produces unidirectional current and heat, described fuel cell using coal bed gas and air
Reaction group (2) is connected with described power store (3), described sub-controlling unit (5) and described accumulation of heat group (4), described
The power storage that described fuel cell reaction group (2) produces is got up and unidirectional current is changed alternating current by power store (3),
Described aids in temperature control device (5) controls the temperature of fuel cell reaction group (2), and described accumulation of heat group (4) is anti-to described fuel cell
Should the high-temperature gas that produces of group (2) carry out pressurized storage and provide for described turbogenerator (6) needed for high temperature and high pressure gas, institute
State turbogenerator (6) and pass through described heat-exchange device (7) and described sub-controlling unit with described power store (3)
(5) it is connected, the fax that described turbogenerator is produced by described heat-exchange device (7) to described power store (3),
Pass to described sub-controlling unit (5) through the remaining heat of real-time heat-exchange device (7) to preserve, described heat-exchange device (7)
It is connected with described making water gas device (8) and described hot water supply system (9), described making water gas device (8) utilizes
The vapor that described heat-exchange device (7) produces generates water gas, described hot water supply system (9) and institute with red-hot coal reaction
State making water gas device (8) and be connected with daily device of living, described making water gas device (8) is produced water gas and is sent to
The daily device of described life, described general control system (10) and described fuel treating equipment (1), described fuel cell reaction group
(2), described power store (3), described accumulation of heat group (4), described sub-controlling unit (5), described turbogenerator (6),
Described heat-exchange device (7), described hot water supply system (9) and described making water gas device (8) connect, to above-mentioned each
The data of device detected and stored.
2. the fuel cell thermoelectricity contact system described in pair claim 1 is it is characterised in that described fuel treating equipment (1) includes
The methane gas of pure concentration and concentration sensor；Described fuel cell reaction group (2) is SOFC, described solid
The electrolyte that oxide body fuel cell uses is the zirconium oxide of yittrium oxide, and described zirconium oxide is a kind of conductible different oxonium ion
Ceramic material, described zirconic negative electrode and anode are all loose structures, and described each contact site zirconic passes through pottery
Porcelain connects, and described fuel cell reaction group (2) is equipped with temperature sensing device；Described power store (3) includes the storage of electric energy
Deposit the device changed with unidirectional current to AC high voltage；Described accumulation of heat group (4) includes pressure and temperature sensor and to high temperature
The device of the storage of gas and the pressue device to high-temperature gas；Described sub-controlling unit (5) includes heating apparatuss, cooling dress
Put, attemperator and temperature sensing device；Described turbogenerator (6) is steam turbine generator；Described heat-exchange device (7) is whirlpool
Stream hotting mask heat exchanger；Described making water gas device (8) includes furnace construction, and described furnace construction adopts UGI gasification furnace pattern
Or the device using resting period formula fixed bed production technology；Described hot water supply system (9) includes pressurizer and insulation dress
Put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410274586.0A CN104064788B (en) | 2014-06-18 | 2014-06-18 | Fuel battery thermoelectric cascade system capable of increasing energy utilization rate of coal bed gas |
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| CN201410274586.0A CN104064788B (en) | 2014-06-18 | 2014-06-18 | Fuel battery thermoelectric cascade system capable of increasing energy utilization rate of coal bed gas |
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| CN104064788B true CN104064788B (en) | 2017-02-15 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108232206B (en) * | 2017-12-04 | 2020-09-04 | 中国矿业大学 | Direct power generation method and system by utilizing ventilation air methane or low-concentration gas |
| CN113528207A (en) * | 2020-04-16 | 2021-10-22 | 国家能源投资集团有限责任公司 | Coal bed gas treatment method and device and power generation system |
| CN112186227B (en) * | 2020-10-14 | 2022-07-19 | 山西大学 | Method for generating electricity by using medium-high temperature fuel cell from low-concentration coal bed gas |
| CN114976156B (en) * | 2022-04-02 | 2024-01-30 | 河南理工大学 | Methane hydrate decomposition-electrolysis fuel cell |
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| CN101369665A (en) * | 2007-07-27 | 2009-02-18 | Sk能源株式会社 | Fuel cell system used for multi-apartment building |
| CN101926037A (en) * | 2007-11-27 | 2010-12-22 | 燃料电池能量公司 | Combined heat and power co-generation system for fuel cell and operating method thereof |
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2014
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| CN101369665A (en) * | 2007-07-27 | 2009-02-18 | Sk能源株式会社 | Fuel cell system used for multi-apartment building |
| CN101926037A (en) * | 2007-11-27 | 2010-12-22 | 燃料电池能量公司 | Combined heat and power co-generation system for fuel cell and operating method thereof |
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