CN104064788A - 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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- CN104064788A CN104064788A CN201410274586.0A CN201410274586A CN104064788A CN 104064788 A CN104064788 A CN 104064788A CN 201410274586 A CN201410274586 A CN 201410274586A CN 104064788 A CN104064788 A CN 104064788A
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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
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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
- H01M2250/402—Combination of fuel cell with other electric generators
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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
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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
- 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
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- Fuel Cell (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
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, relate in particular to a kind of fuel cell thermoelectricity contact system that improves coal bed gas capacity usage ratio.
Background technology
The colliery aboundresources of China, and the coal bed gas of association it is predicted that stock number is equivalent to 45,000,000,000 tons of coals thereupon, suitable with the stock number of conventional gas.Coal bed gas in the recovery process association in colliery is also safe major hidden danger, according to statistics every year to the coal bed gas of airborne release up to 200 billion cubic meters, not only polluted local environment, also can produce global greenhouse effect.
Coal bed gas is the mist that is rich in methane, and for the coal bed gas of a large amount of medium methane contents, conventionally directly as domestic fuel or generating, but consumption is limited; For low gas, be all directly emitted, can not be well utilized, and mostly present coal bed gas generating be direct combustion power generation, so not only contaminated environment, and capacity usage ratio also not high maximum only has 45%.If will must make methane content bring up to more than 95% by coal bed gas for chemical field, conventionally adopt pressure-variable adsorption or cryogenic separation.The present topmost object of coal bed gas is produced heat and generating power exactly, but said method all do not have it well to utilize combination, and capacity usage ratio is lower.
Summary of the invention
Because the above-mentioned defect of prior art, technical problem to be solved by this invention is to provide a kind of fuel cell thermoelectricity contact system that improves coal bed gas capacity usage ratio, when coal bed gas is generated electricity, the heat producing is also used, and has increased capacity usage ratio.
For achieving the above object, the invention provides a kind of fuel cell thermoelectricity contact system that improves coal bed gas capacity usage ratio, comprise fuel treating equipment, fuel cell reaction group, electric power deposit, accumulation of heat group, aids in temperature control device, turbogenerator, heat-exchange device, make water-gas device, hot water supply system and turn-key system, extraction coal bed gas and air out passes into described fuel treating equipment separately, described fuel treating equipment and described fuel cell reaction group are joined, described fuel cell reaction group utilizes coal bed gas and air to produce direct current and heat, described fuel cell reaction group and described combustion electric energy storage, described aids in temperature control device is connected with described accumulation of heat group, the power storage that described combustion electric energy storage is produced described fuel cell reaction group is got up and direct current is changed to alternating current, described aids in temperature control device is controlled the temperature of fuel cell reaction group, the high-temperature gas that described accumulation of heat group produces described fuel cell reaction group carries out pressurized storage and provides required high temperature and high pressure gas for described turbogenerator, described turbine generation is connected with described aids in temperature control device through described heat-exchange device with described combustion electric energy storage, the fax that heat-exchange device produces described turbogenerator is to described electric power storing device, passing to described aids in temperature control device organizational security through the remaining heat of real-time described heat-exchange device, deposit, described heat-exchange device is connected with described hot water supply system with described making water-gas device, described making water-gas device utilizes steam and the red-hot coal reaction that described heat-exchange device produces to generate water-gas, described hot water supply system is connected with the daily device of life with described making water-gas device, described making water-gas device is produced to water-gas and be sent to the daily device of described life, described general control system and described fuel treating equipment, described fuel cell reaction group, described electric power deposit, described accumulation of heat group, described aids in temperature control device, described turbogenerator, described heat-exchange device, described hot water supply system, described making water-gas device connects, above-mentioned each the data of device are detected and stored.
In better embodiment of the present invention, described aids in temperature control device comprises heating apparatus, cooling device, attemperator and temperature sensing device.
In another better embodiment of the present invention, described fuel treating equipment comprises methane gas and the concentration sensor of pure concentration.
In better embodiment of the present invention, described fuel cell reaction group is Solid Oxide Fuel Cell, the electrolyte that described Solid Oxide Fuel Cell is used is the zirconia of yittrium oxide, described zirconia is a kind of ceramic material of conductible different oxonium ion, described zirconic negative electrode and anode are all loose structures, described zirconic each contact site connects by pottery, and described fuel cell reaction is assembled with temperature sensing device.
In another better embodiment of the present invention, described combustion electric energy storage comprises the storage of electric energy and the device that direct current is changed to AC high voltage.
In better embodiment of the present invention, described accumulation of heat group comprises pressure and temperature transducer and to the device of the storage of high-temperature gas and the pressue device to high-temperature gas.
In another better embodiment of the present invention, described turbogenerator is turbo generator.
In better embodiment of the present invention, described heat-exchange device is eddy current hotting mask heat exchanger.
In another better embodiment of the present invention, described making water-gas device comprises furnace construction, and described furnace construction adopts UGI gasification furnace pattern or adopts the device of resting period formula fixed bed production technology.
In better embodiment of the present invention, described hot water supply system comprises supercharging device and attemperator.
Fuel cell thermoelectricity contact system provided by the invention, can increase capacity usage ratio when coal bed gas is generated electricity, the heat producing also being used, and capacity usage ratio can reach more than 80% in theory, the maximized coal bed gas of utilizing.
Below with reference to accompanying drawing, the technique effect of design of the present invention, concrete structure and generation is described further, to understand fully object of the present invention, feature and effect.
Accompanying drawing explanation
Fig. 1 is the fuel cell thermoelectricity contact system structural representation of a preferred embodiment of the present invention;
Fig. 2 is fuel cell reaction group reaction principle schematic;
Fig. 3 is fuel cell reaction group reaction structural plane and gas flow schematic diagram.
Embodiment
As shown in Figure 1, a kind of fuel cell thermoelectricity contact system that improves coal bed gas capacity usage ratio, comprise fuel treating equipment 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 joins with fuel cell reaction group 2, fuel cell reaction group 2 and combustion electric energy storage 3, aids in temperature control device 5 is connected with accumulation of heat group 4, accumulation of heat group 4 is connected with turbogenerator 6, 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 device 7 is connected with hot water supply system 9 with making water-gas device 8.General control system 10 is connected with each above-mentioned device, and the data of each device are detected and stored.
Aids in temperature control device 5 comprises heating apparatus, cooling device, attemperator and temperature sensing device, and the form of heating is mainly heated by electric power, and cooling device is mainly undertaken cooling by water, and the mode of insulation is by incubator.Aids in temperature control device 5 is connected with fuel cell reaction group 2, can control the temperature of fuel cell reaction group 2, reach its job requirement temperature its heat, also play cooling effect and the utilization of depot reaction gas circulation.
Fuel treating equipment 1 comprises methane gas and the concentration sensor of pure concentration, concentration inductor can test out the methane content of coal bed gas, if there is the methane of pure concentration to supplement the logical coal bed gas entering on methane content deficiency fuel treating equipment 1, reaches suitable concentration assurance reaction and carry out.
The reaction principle schematic diagram of fuel cell reaction group 2 as shown in Figure 2, fuel cell reaction group 2 is Solid Oxide Fuel Cell, the electrolyte that it uses is the zirconia of yittrium oxide, a kind of ceramic material of conductible different oxonium ion, negative electrode and anode are all loose structures, and each contact site connects by pottery.Fuel cell reaction group 2 is equipped with temperature sensing device.Fuel cell reaction group 2 utilizes coal bed gas and air to produce direct current and heat, and fuel cell reaction group 2 reaction structure faces and gas flow are as shown in Figure 3.
Electric energy storage 3 comprises the storage of electric energy and the device that direct current is changed to AC high voltage.The power storage that combustion electric energy storage 3 is produced fuel cell reaction group 2 is got up and direct current is changed to alternating current;
Accumulation of heat group 4 comprises pressure and temperature transducer and to the storage device of high-temperature gas and the pressue device to high-temperature gas.Accumulation of heat group 4 is connected with turbogenerator 6 with fuel cell reaction group 2, and the high-temperature gas that fuel cell reaction group 2 is produced carries out pressurized storage and for steam turbin generator 6 provides required high temperature and high pressure gas, heat-exchange device 7 is eddy current hotting mask heat exchanger.Turbogenerator 6 and combustion electric energy storage 3, heat-exchange device 7 is connected with aids in temperature control device 5, and the fax producing, to electric power storing device 3, is preserved pass to aids in temperature control device machine 5 through the remaining energy of heat-exchange device 7
Make steam and red-hot coal reaction generation water-gas that water-gas device 8 utilizes described heat-exchange device 7 to produce.Make water-gas device 8 and comprise furnace construction, stove adopts UGI gasification furnace pattern and adopts the device of resting period formula fixed bed production technology.
Hot water supply system 9 comprises supercharging device and attemperator, is connected with the daily device of life with making water-gas device 8, and the steam of generation passes into makes water-gas device 8 production water-gas, and the hot water producing is fed to the required place of daily life.
General control system 10 is that total signal collection device can be monitored the signal collection of each device conversion electrons information of getting up and store.
The disclosed fuel cell thermoelectricity connection of the present embodiment system work process is as follows:
(1) first extraction coal bed gas and air out passed into fuel treating equipment 1 separately, concentration induction installation in fuel treating equipment 1 can test out the methane content of coal bed gas, if there is the methane of pure concentration to supplement the logical coal bed gas entering on methane content deficiency fuel treating equipment 1, reaches suitable concentration assurance reaction and carry out.
(2) aids in temperature control device 5 can energising heating fuel cell reaction group 2 its temperature of raising reach requirement temperature before 2 work of fuel cell reaction group, then the coal bed gas passing into after fuel treating equipment 1 is processed is reacted, the fax producing in course of reaction is laid in to electric energy storage 3, the gases at high pressure that produce enter accumulation of heat group 4, temperature inductor on fuel cell 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 pass into cooling water to fuel cell reaction group 2 and lower the temperature, make temperature reach anti-required normal temperature.
(3) accumulation of heat group 4 can store and keeps its temperature and increase its pressure gases at high pressure, the pressure inductor of accumulation of heat group 4 and temperature inductor can be tested temperature and the pressure of high-temperature gas, and transfer them to general control system 10, high-temperature gas is before entering turbogenerator 6, accumulation of heat group 4 can keep increasing the pressure of High Temperature Gas, then aids in temperature control device 5 can arrive the high-temperature gas of heating in accumulation of heat group 4 by fuel cell reaction group 2 the gas storage through heat-exchange device 7 heating, reach the required temperature of turbogenerator 6 and pressure, pass in turbogenerator 6 and generate electricity.
(4) turbogenerator 6 generates electricity, and the electricity of generation passes into electrical power storage 3, enters aids in temperature control device 5 store and recycle through the high-temperature gas of turbogenerator 6 through heat-exchange device 7.
(5) high-temperature gas produces hot water and steam by heat-exchange device 7 water heating, the hot water producing is passed into hot water supply system 9 and store and supply, and steam passes into 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 all electrochemical actions of crossing Solid Oxide Fuel Cell of fuel cell thermoelectricity contact of the disclosed gas utilization of the embodiment of the present invention, make the chemical energy of coal bed gas and air be converted into the Blast Furnace Top Gas Recovery Turbine Unit (TRT) of electric energy, process in generating also can produce a large amount of heat, thereby improves the utilance of coal bed gas.
More than describe preferred embodiment of the present invention in detail.The ordinary skill that should be appreciated that this area just can design according to the present invention be made many modifications and variations without creative work.Therefore, all technical staff in the art, all should be in the determined protection range by claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (10)
1. a fuel cell thermoelectricity contact that improves coal bed gas capacity usage ratio is united, it is characterized in that, comprise fuel treating equipment (1), fuel cell reaction group (2), combustion electric energy storage (3), accumulation of heat group (4), aids in temperature control device (5), turbogenerator (6), heat-exchange device (7), make water-gas device (8), hot water supply system (9) and turn-key system (10), extraction coal bed gas and air out passes into described fuel treating equipment (1) separately, described fuel treating equipment (1) joins with described fuel cell reaction group (2), described fuel cell reaction group (2) utilizes coal bed gas and air to produce direct current and heat, described fuel cell reaction group (2) and described combustion electric energy storage (3), described aids in temperature control device (5) is connected with described accumulation of heat group (4), the power storage that described combustion electric energy storage (3) is produced described fuel cell reaction group (2) is got up and direct current is changed to alternating current, described aids in temperature control device (5) is controlled the temperature of fuel cell reaction group (2), the high-temperature gas that described accumulation of heat group (4) produces described fuel cell reaction group (2) carries out pressurized storage and provides required high temperature and high pressure gas for described turbogenerator (6), described turbine generation (6) is connected with described aids in temperature control device (5) through described heat-exchange device (7) with described combustion electric energy storage (3), the fax that described heat-exchange device (7) produces described turbogenerator is to described electric power storing device (3), passing to described aids in temperature control device machine (5) through the remaining heat of real-time heat-exchange device (7), preserve, described heat-exchange device (7) is connected with described hot water supply system (9) with described making water-gas device (8), described making water-gas device (8) utilizes steam and the red-hot coal reaction that described heat-exchange device (7) produces to generate water-gas, described hot water supply system (9) is connected with the daily device of life with described making water-gas device (8), described making water-gas device (8) is produced to water-gas and be 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 combustion electric energy storage (3), described accumulation of heat group (4), described aids in temperature control device (5), described turbogenerator (6), described heat-exchange device (7), described hot water supply system (9) and described making water-gas device (8) connect, above-mentioned each the data of device are detected and stored.
2. fuel cell thermoelectricity contact system as claimed in claim 1, is characterized in that, described aids in temperature control device (5) comprises heating apparatus, cooling device, attemperator and temperature sensing device.
3. fuel cell thermoelectricity contact system as claimed in claim 1, is characterized in that, described fuel treating equipment (1) comprises methane gas and the concentration sensor of pure concentration.
4. fuel cell thermoelectricity contact as claimed in claim 1 is united, it is characterized in that, described fuel cell reaction group (2) is Solid Oxide Fuel Cell, the electrolyte that described Solid Oxide Fuel Cell is used is the zirconia of yittrium oxide, described zirconia is a kind of ceramic material of conductible different oxonium ion, described zirconic negative electrode and anode are all loose structures, described zirconic each contact site connects by pottery, and described fuel cell reaction group (2) is equipped with temperature sensing device.
5. fuel cell thermoelectricity contact system as claimed in claim 1, is characterized in that, described combustion electric energy storage (3) comprises the storage of electric energy and the device that direct current is changed to AC high voltage.
6. fuel cell thermoelectricity as claimed in claim 1 contact system, is characterized in that, described accumulation of heat group (4) comprises pressure and temperature transducer and to the device of the storage of high-temperature gas and the pressue device to high-temperature gas.
7. fuel cell thermoelectricity contact system as claimed in claim 1, is characterized in that, described turbogenerator (6) is turbo generator.
8. fuel cell thermoelectricity contact system as claimed in claim 1, is characterized in that, described heat-exchange device (7) is eddy current hotting mask heat exchanger.
9. fuel cell thermoelectricity contact system as claimed in claim 1, is characterized in that, described making water-gas device (8) comprises furnace construction, and described furnace construction adopts UGI gasification furnace pattern or adopts the device of resting period formula fixed bed production technology.
10. fuel cell thermoelectricity contact system as claimed in claim 1, is characterized in that, described hot water supply system (9) comprises supercharging device and attemperator.
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| 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 CN104064788B (en) | 2017-02-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108232206A (en) * | 2017-12-04 | 2018-06-29 | 中国矿业大学 | A kind of direct generation of electricity method and system using idle air or low concentration gas |
| CN112186227A (en) * | 2020-10-14 | 2021-01-05 | 山西大学 | Method for generating electricity by using medium-high temperature fuel cell from low-concentration coal bed 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 |
| CN114976156A (en) * | 2022-04-02 | 2022-08-30 | 河南理工大学 | Methane hydrate decomposition-electrolysis fuel cell |
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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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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108232206A (en) * | 2017-12-04 | 2018-06-29 | 中国矿业大学 | A kind of direct generation of electricity method and system using idle air 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 |
| CN112186227A (en) * | 2020-10-14 | 2021-01-05 | 山西大学 | Method for generating electricity by using medium-high temperature fuel cell from low-concentration coal bed gas |
| CN114976156A (en) * | 2022-04-02 | 2022-08-30 | 河南理工大学 | Methane hydrate decomposition-electrolysis fuel cell |
| CN114976156B (en) * | 2022-04-02 | 2024-01-30 | 河南理工大学 | Methane hydrate decomposition-electrolysis fuel cell |
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| CN104064788B (en) | 2017-02-15 |
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