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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- 239000000446 fuel Substances 0.000 title claims abstract description 85
- 239000003245 coal Substances 0.000 title claims description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 90
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000006243 chemical reaction Methods 0.000 claims abstract description 51
- 230000036647 reaction Effects 0.000 claims abstract description 42
- 238000005338 heat storage Methods 0.000 claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 18
- 230000005611 electricity Effects 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims description 57
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 18
- 238000004321 preservation Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 239000003792 electrolyte Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- -1 oxygen ions Chemical class 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 2
- 238000010248 power generation Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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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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Abstract
本发明公开了一种煤层气利用的燃料电池热电联系统，包括燃料处理装置，燃料电池反应组，燃电能储备，蓄热组、辅助控温装置、涡轮发电机，热交换装置，制作水煤气装置，热水供应系统和总控系统。燃料处理装置与燃料电池反应组相接，燃料电池反应组与燃电能储备，辅助控温装置和蓄热组相连接，蓄热组与涡轮发电机相连接，涡轮发电机与燃电能储备穿过热交换装置与辅助控温装置相连接，热交换装置制作水煤气装置和热水供应系统相连接。本发明提供的燃料电池热电联系统可以在煤层气发电时把产生的热量也利用起来，增加了能量利用率，理论上能量利用率可达到80％以上，最大化的利用煤层气。
The invention discloses a fuel cell combined heat and power system utilizing coalbed methane, which includes a fuel processing device, a fuel cell reaction group, a fuel-electric energy reserve, a heat storage group, an auxiliary temperature control device, a turbine generator, a heat exchange device, and a water gas production device , hot water supply system and master control system. The fuel processing device is connected with the fuel cell reaction group, the fuel cell reaction group is connected with the power storage, the auxiliary temperature control device is connected with the heat storage group, the heat storage group is connected with the turbine generator, and the turbine generator and the power storage pass through the thermal The exchanging device is connected with the auxiliary temperature control device, and the water gas device made by the heat exchanging device is connected with the hot water supply system. The fuel cell combined heat and power system provided by the invention can also utilize the heat generated when the coalbed methane generates electricity, increasing the energy utilization rate, which can reach more than 80% in theory, and maximizing the utilization of the coalbed methane.
Description
技术领域technical field
本发明涉及燃料电池热电联系统，尤其涉及一种提高煤层气能量利用率的燃料电池热电联系统。The invention relates to a fuel cell combined heat and power system, in particular to a fuel cell combined heat and power system for improving the energy utilization rate of coal bed gas.
背景技术Background technique
我国的煤矿资源丰富，而随之伴生的煤层气据预测资源量相当于450亿吨煤，与常规天然气的资源量相当。在煤矿的开采过程伴生的煤层气也是安全的重大隐患，据统计每年向大气排放的煤层气高达200亿立方米，不仅污染了当地的环境，还会产生全球的温室效应。my country is rich in coal resources, and the associated coalbed methane resources are predicted to be equivalent to 45 billion tons of coal, which is equivalent to the resources of conventional natural gas. The coalbed methane associated with the mining process of coal mines is also a major safety hazard. According to statistics, 20 billion cubic meters of coalbed methane is emitted into the atmosphere every year, which not only pollutes the local environment, but also produces a global greenhouse effect.
煤层气是富含甲烷的混合气体，对于大量中等甲烷含量的煤层气通常直接作为民用燃料或发电，但用量有限；对于低的瓦斯都是直接排放出去，不能得到很好的利用，而且现在的煤层气发电多是直接燃烧发电，这样不仅污染环境，而且能量利用率也不高最大只有45％。若要将煤层气用于化学领域，则必须使甲烷含量提高到95％以上，通常采用变压吸附或低温分离。煤层气现在最主要的目的就是产热和发电，但上述方法都没有将其很好的利用结合，能量利用率较低。Coalbed methane is a mixed gas rich in methane. For a large amount of coalbed methane with medium methane content, it is usually directly used as civil fuel or power generation, but the amount is limited; for low gas, it is directly discharged and cannot be well utilized. Coalbed methane power generation is mostly direct combustion power generation, which not only pollutes the environment, but also has a low energy utilization rate of only 45%. If coalbed methane is used in the chemical field, the methane content must be increased to more than 95%, usually by pressure swing adsorption or low temperature separation. The main purpose of coalbed methane is heat production and power generation, but none of the above-mentioned methods combine its utilization well, and the energy utilization rate is low.
发明内容Contents of the invention
有鉴于现有技术的上述缺陷，本发明所要解决的技术问题是提供一种提高煤层气能量利用率的燃料电池热电联系统，在煤层气发电时把产生的热量也利用起来，增加了能量利用率。In view of the above-mentioned defects in the prior art, the technical problem to be solved by the present invention is to provide a fuel cell combined heat and power system that improves the energy utilization rate of coalbed methane, and utilizes the heat generated during coalbed methane power generation, increasing energy utilization Rate.
为实现上述目的，本发明提供了一种提高煤层气能量利用率的燃料电池热电联系统，包括燃料处理装置、燃料电池反应组、电力储备、蓄热组、辅助控温装置、涡轮发电机、热交换装置、制作水煤气装置、热水供应系统和总控系统，抽采出来的煤层气和空气各自通入所述燃料处理装置，所述燃料处理装置与所述燃料电池反应组相接，所述燃料电池反应组利用煤层气和空气来生产直流电及热，所述燃料电池反应组与所述燃电能储备、所述辅助控温装置和所述蓄热组相连接，所述燃电能储备将所述燃料电池反应组生产的电能存储起来并将直流电转变交流电，所述辅助控温装置控制燃料电池反应组的温度，所述蓄热组对所述燃料电池反应组产生的高温气体进行加压存储并为所述涡轮发电机提供所需高温高压气体，所述涡轮发电与所述燃电能储备穿过所述热交换装置与所述辅助控温装置相连接，热交换装置将所述涡轮发电机产生的电传到所述电力存储装置，把经过实时所述热交换装置剩余的热量传到所述辅助控温装置机保存，所述热交换装置与所述制作水煤气装置和所述热水供应系统相连接，所述制作水煤气装置利用所述热交换装置产生的水蒸气与炽热煤炭反应生成水煤气，所述热水供应系统与所述制作水煤气装置和生活日用装置相连，将所述制作水煤气装置生产水煤气传送到所述生活日用装置，所述总控制系统与所述燃料处理装置、所述燃料电池反应组、所述电力储备、所述蓄热组、所述辅助控温装置、所述涡轮发电机、所述热交换装置、所述热水供应系统、所述制作水煤气装置连接，对上述各个的装置的数据进行检测和储存。In order to achieve the above object, the present invention provides a fuel cell combined heat and power system that improves the energy utilization rate of coalbed methane, including a fuel processing device, a fuel cell reaction group, a power reserve, a heat storage group, an auxiliary temperature control device, a turbine generator, The heat exchange device, the water gas production device, the hot water supply system and the general control system, the extracted coalbed methane and the air are respectively passed into the fuel processing device, and the fuel processing device is connected with the fuel cell reaction group. The fuel cell reaction group utilizes coalbed methane and air to produce direct current and heat, and the fuel cell reaction group is connected with the fuel-electric energy reserve, the auxiliary temperature control device and the heat storage group, and the fuel-electric energy reserve will The electric energy produced by the fuel cell reaction group is stored and the direct current is converted into alternating current, the auxiliary temperature control device controls the temperature of the fuel cell reaction group, and the heat storage group pressurizes the high-temperature gas generated by the fuel cell reaction group Store and provide the required high-temperature and high-pressure gas for the turbine generator, the turbine power generation and the fuel storage are connected to the auxiliary temperature control device through the heat exchange device, and the heat exchange device generates electricity from the turbine The electricity generated by the machine is transferred to the power storage device, and the remaining heat passed through the real-time heat exchange device is transferred to the auxiliary temperature control device for storage. The heat exchange device is connected with the water gas production device and the hot water The water gas production device is connected to a supply system, and the water gas production device utilizes the water vapor generated by the heat exchange device to react with hot coal to generate water gas. The water gas produced by the water gas device is sent to the daily-use device, the general control system is connected with the fuel processing device, the fuel cell reaction group, the power reserve, the heat storage group, the auxiliary temperature control device, The turbine generator, the heat exchange device, the hot water supply system, and the water gas production device are connected to detect and store the data of each of the above devices.
在本发明的较佳实施方式中，所述辅助控温装置包括加温装置、冷却装置、保温装置和温度感应装置。In a preferred embodiment of the present invention, the auxiliary temperature control device includes a heating device, a cooling device, a heat preservation device and a temperature sensing device.
在本发明的另一较佳实施方式中，所述燃料处理装置包括纯浓度的甲烷气体和浓度传感器。In another preferred embodiment of the present invention, the fuel processing device includes a pure concentration of methane gas and a concentration sensor.
在本发明的较佳实施方式中，所述燃料电池反应组为固体氧化物燃料电池，所述固体氧化物燃料电池使用的电解质是氧化钇的氧化锆，所述氧化锆是一种可传导的异氧离子的陶瓷材料，所述氧化锆的阴极和阳极都是多孔结构，所述氧化锆的各个接触部位通过陶瓷连接，所述燃料电池反应组装有温度感应装置。In a preferred embodiment of the present invention, the fuel cell reaction group is a solid oxide fuel cell, and the electrolyte used in the solid oxide fuel cell is zirconia of yttria, and the zirconia is a conductive The ceramic material of different oxygen ions, the cathode and the anode of the zirconia are all porous structures, the contact parts of the zirconia are connected by ceramics, and the fuel cell reaction assembly is equipped with a temperature sensing device.
在本发明的另一较佳实施方式中，所述燃电能储备包括电能的储存和直流电向交流高压电转换的装置。In another preferred embodiment of the present invention, the storage of fuel-electricity energy includes storage of electric energy and a device for converting direct current to high-voltage alternating current.
在本发明的较佳实施方式中，所述蓄热组包括压力和温度传感器以及对高温气体的储存的装置和对高温气体的加压装置。In a preferred embodiment of the present invention, the heat storage group includes pressure and temperature sensors, storage devices for high-temperature gas, and pressurization devices for high-temperature gas.
在本发明的另一较佳实施方式中，所述涡轮发电机为汽轮发电机。In another preferred embodiment of the present invention, the turbo generator is a turbo generator.
在本发明的较佳实施方式中，所述热交换装置为涡流热膜换热器。In a preferred embodiment of the present invention, the heat exchange device is a vortex hot film heat exchanger.
在本发明的另一较佳实施方式中，所述制作水煤气装置包括炉子结构，所述炉子结构采用UGI气化炉型式或采用间歇周期式固定床生产技术的装置。In another preferred embodiment of the present invention, the device for producing water gas includes a furnace structure, and the furnace structure adopts a UGI gasifier type or a device adopting intermittent periodic fixed-bed production technology.
在本发明的较佳实施方式中，所述热水供应系统包括增压装置和保温装置。In a preferred embodiment of the present invention, the hot water supply system includes a pressurization device and a heat preservation device.
本发明提供的燃料电池热电联系统，可以在在煤层气发电时把产生的热量也利用起来，增加了能量利用率，理论上能量利用率可达到80％以上，最大化的利用煤层气。The fuel cell combined heat and power system provided by the invention can also utilize the heat generated during coalbed methane power generation, increasing the energy utilization rate. Theoretically, the energy utilization rate can reach more than 80%, maximizing the utilization of coalbed methane.
以下将结合附图对本发明的构思、具体结构及产生的技术效果作进一步说明，以充分地了解本发明的目的、特征和效果。The idea, specific structure and technical effects of the present invention will be further described below in conjunction with the accompanying drawings, so as to fully understand the purpose, features and effects of the present invention.
附图说明Description of drawings
图1是本发明的一个较佳实施例的燃料电池热电联系统结构示意图；Fig. 1 is a schematic structural diagram of a fuel cell cogeneration system of heat and power according to a preferred embodiment of the present invention;
图2是燃料电池反应组反应原理示意图；Fig. 2 is a schematic diagram of the reaction principle of the fuel cell reaction group;
图3是燃料电池反应组反应结构面和气体流动示意图。Fig. 3 is a schematic diagram of the reaction structure surface and gas flow of the fuel cell reaction group.
具体实施方式detailed description
如图1所示，一种提高煤层气能量利用率的燃料电池热电联系统，包括燃料处理装置1，燃料电池反应组2，电能储备3、蓄热组4、辅助控温装置5、涡轮发电机6，热交换装置7，热水供应系统9，制作水煤气装置8和总控系统10。燃料处理装置1与燃料电池反应组2相接，燃料电池反应组2与燃电能储备3，辅助控温装置5和蓄热组4相连接，蓄热组4与涡轮发电机6相连接，涡轮发电机6与燃电能储备3穿过热交换装置7与辅助控温装置5相连接，热交换装置7与制作水煤气装置8和热水供应系统9相连接。总控制系统10与上述的每个装置都连接，对各个的装置的数据进行检测和储存。As shown in Figure 1, a fuel cell combined heat and power system that improves the energy utilization rate of coalbed methane includes a fuel processing device 1, a fuel cell reaction group 2, an electric energy reserve 3, a heat storage group 4, an auxiliary temperature control device 5, and a turbine power generation unit. machine 6, heat exchange device 7, hot water supply system 9, water gas device 8 and master control system 10. The fuel processing device 1 is connected to the fuel cell reaction group 2, the fuel cell reaction group 2 is connected to the power storage 3, the auxiliary temperature control device 5 is connected to the heat storage group 4, the heat storage group 4 is connected to the turbine generator 6, and the turbine The generator 6 and the power storage 3 are connected to the auxiliary temperature control device 5 through the heat exchange device 7, and the heat exchange device 7 is connected to the water gas production device 8 and the hot water supply system 9. The overall control system 10 is connected with each of the above-mentioned devices, and detects and stores the data of each device.
辅助控温装置5包括加温装置、冷却装置、保温装置和温度感应装置，加温的形式主要靠电力加温，冷却装置主要靠水进行冷却，保温的方式靠保温箱。辅助控温装置5与燃料电池反应组2连接，可以控制燃料电池反应组2的温度，达到其工作要求的温度其加温,还起到降温作用和储存反应气体循环利用。Auxiliary temperature control device 5 comprises heating device, cooling device, heat preservation device and temperature induction device, and the form of heating mainly relies on electric heating, and cooling device mainly relies on water to cool, and the mode of heat preservation relies on incubator. The auxiliary temperature control device 5 is connected with the fuel cell reaction group 2, and can control the temperature of the fuel cell reaction group 2 to reach the temperature required by its work, and then heat it up, and also play a cooling role and store the reaction gas for recycling.
燃料处理装置1包括纯浓度的甲烷气体和浓度传感器，浓度感应器会测试出煤层气的甲烷含量，如果甲烷含量不足燃料处理装置1上有纯浓度的甲烷会对通的入的煤层气进行补充，达到合适的浓度保证反应进行。The fuel processing device 1 includes pure concentration of methane gas and a concentration sensor. The concentration sensor will test the methane content of the coalbed methane. If the methane content is insufficient, the pure concentration of methane on the fuel processing device 1 will supplement the incoming coalbed methane. , to reach the appropriate concentration to ensure the reaction proceeds.
燃料电池反应组2的反应原理示意图如图2所示，燃料电池反应组2为固体氧化物燃料电池，它使用的电解质是氧化钇的氧化锆，一种可传导的异氧离子的陶瓷材料，阴极和阳极都是多孔结构，各个接触部位通过陶瓷连接。燃料电池反应组2装有温度感应装置。燃料电池反应组2利用煤层气和空气来生产直流电及热，燃料电池反应组2反应结构面和气体流动如图3所示。The schematic diagram of the reaction principle of the fuel cell reaction group 2 is shown in Figure 2. The fuel cell reaction group 2 is a solid oxide fuel cell, and the electrolyte it uses is zirconia of yttria, a ceramic material that can conduct different oxygen ions. Both the cathode and the anode are porous structures, and the contact parts are connected by ceramics. The fuel cell reaction group 2 is equipped with a temperature sensing device. The fuel cell reaction group 2 utilizes coalbed methane and air to produce direct current and heat. The reaction structure surface and gas flow of the fuel cell reaction group 2 are shown in Fig. 3 .
电能储备3包括电能的储存和直流电向交流高压电转换的装置。燃电能储备3将燃料电池反应组2生产的电能存储起来并将直流电转变交流电；The electric energy reserve 3 includes the storage of electric energy and the device for converting DC to AC high voltage. The power storage 3 stores the electric energy produced by the fuel cell reaction group 2 and converts the direct current into alternating current;
蓄热组4包括压力和温度传感器以及对高温气体的储存装置和对高温气体的加压装置。蓄热组4与燃料电池反应组2和涡轮发电机6连接，对燃料电池反应组2产生的高温气体进行加压存储并为蒸汽涡轮发电机6提供所需高温高压气体,热交换装置7为涡流热膜换热器。涡轮发电机6与燃电能储备3，热交换装置7和辅助控温装置5相连，将产生的电传到电力存储装置3，把经过热交换装置7剩余的能量传到辅助控温装置机5保存The heat storage group 4 includes pressure and temperature sensors, storage devices for high-temperature gas, and pressurization devices for high-temperature gas. The heat storage group 4 is connected with the fuel cell reaction group 2 and the turbine generator 6, pressurizes and stores the high-temperature gas generated by the fuel cell reaction group 2 and provides the required high-temperature and high-pressure gas for the steam turbine generator 6, and the heat exchange device 7 is Vortex hot film heat exchanger. The turbine generator 6 is connected with the fuel-electric energy storage 3, the heat exchange device 7 and the auxiliary temperature control device 5, and transmits the generated electricity to the power storage device 3, and transfers the remaining energy through the heat exchange device 7 to the auxiliary temperature control device 5 save
制作水煤气装置8利用所述热交换装置7产生的水蒸气与炽热煤炭反应生成水煤气。制作水煤气装置8包括炉子结构，炉子采用UGI气化炉型式和采用间歇周期式固定床生产技术的装置。The water gas production device 8 utilizes the water vapor generated by the heat exchange device 7 to react with hot coal to generate water gas. The device 8 for producing water gas includes a furnace structure, and the furnace adopts a UGI gasifier type and a device adopting intermittent periodic fixed-bed production technology.
热水供应系统9包括增压装置和保温装置，与制作水煤气装置8和生活日用装置相连，产生的水蒸气通入制作水煤气装置8生产水煤气，把产生的热水供应到日常生活所需的地方。The hot water supply system 9 includes a pressurization device and a thermal insulation device, and is connected with the production water gas device 8 and the daily use device. place.
总控制系统10是总的信号收集装置可以把各个装置的信号收集起来转化电子信息进行监控和储存。The total control system 10 is a general signal collection device that can collect signals from various devices and transform them into electronic information for monitoring and storage.
本实施例公开的燃料电池热电联系统工作过程如下：The working process of the fuel cell combined heat and power system disclosed in this embodiment is as follows:
(1)首先将抽采出来的煤层气和空气各自通入燃料处理装置1，燃料处理装置1中的浓度感应装置会测试出煤层气的甲烷含量，如果甲烷含量不足燃料处理装置1上有纯浓度的甲烷会对通的入的煤层气进行补充，达到合适的浓度保证反应进行。(1) Firstly, feed the extracted coalbed methane and air into the fuel processing device 1 respectively, and the concentration sensing device in the fuel processing device 1 will test the methane content of the coalbed methane. If the methane content is insufficient, there is a pure The concentration of methane will supplement the incoming coalbed methane to reach an appropriate concentration to ensure the reaction proceeds.
(2)辅助控温装置5在燃料电池反应组2工作前会通电加热燃料电池反应组2提高它的温达到要求温度，然后通入经过燃料处理装置1处理后的煤层气进行反应，反应过程中产生的电传到电能储备3进行储备,产生的高压气体进入蓄热组4，燃料电池上的温度感应器会随时监视反应温度传到总控制系统，如果反应温度过高，辅助控温装置5会向燃料电池反应组2通入冷却的水进行降温，使温度达到反所需的正常温度。(2) The auxiliary temperature control device 5 will be energized to heat the fuel cell reaction group 2 before the fuel cell reaction group 2 works to increase its temperature to reach the required temperature, and then feed the coalbed methane treated by the fuel processing device 1 to react, the reaction process The electricity generated in the fuel cell is transmitted to the electric energy storage 3 for storage, and the high-pressure gas generated enters the heat storage group 4. The temperature sensor on the fuel cell will monitor the reaction temperature at any time and transmit it to the general control system. If the reaction temperature is too high, the auxiliary temperature control device 5 will feed cooling water into the fuel cell reaction group 2 to lower the temperature, so that the temperature reaches the desired normal temperature.
(3)蓄热组4会对高压气体进行储存保持它的温度和增大它的压强，蓄热组4的压强感应器和温度感应器会测试高温气体的温度和压强，并将它们传送到总控制系统10，高温气体在进入涡轮发电机6前，蓄热组4会保持增大高温气的压强，辅助控温装置5会把经过热交换装置7的气体储存并加热然后把加热的高温气体通过燃料电池反应组2到达蓄热组4，达到涡轮发电机6所需的温度和压强，通入涡轮发电机6中进行发电。(3) The heat storage group 4 will store the high-pressure gas to maintain its temperature and increase its pressure. The pressure sensor and temperature sensor of the heat storage group 4 will test the temperature and pressure of the high-temperature gas and send them to The overall control system 10, before the high-temperature gas enters the turbine generator 6, the heat storage group 4 will keep increasing the pressure of the high-temperature gas, and the auxiliary temperature control device 5 will store and heat the gas passing through the heat exchange device 7 and then transfer the heated high-temperature gas The gas passes through the fuel cell reaction group 2 to the heat storage group 4, reaches the temperature and pressure required by the turbine generator 6, and passes into the turbine generator 6 to generate electricity.
(4)涡轮发电机6进行发电，产生的电通入电能储存3，经过涡轮发电机6的高温气体穿过热交换装置7进入辅助控温装置5进行储存进行循环利用。(4) The turbine generator 6 generates electricity, and the generated electricity passes into the electric energy storage 3, and the high-temperature gas passing through the turbine generator 6 passes through the heat exchange device 7 and enters the auxiliary temperature control device 5 for storage and recycling.
(5)高温气体通过热交换装置7把水加热产生热水和水蒸气，把产生的热水通入热水供应系统9进行储存和供应，水蒸气通入制作水煤气装置8制作水煤气。(5) High-temperature gas heats water through the heat exchange device 7 to generate hot water and water vapor, and the hot water produced is fed into the hot water supply system 9 for storage and supply, and the water vapor is passed into the water gas making device 8 to make water gas.
(6)总控制系统和各个装置相连接会把各个的装置的数据进行检测和储存。(6) The connection between the general control system and each device will detect and store the data of each device.
本发明实施例公开的煤层气利用的燃料电池热电联系统通过固体氧化物燃料电池的电化学作用，使煤层气与空气的化学能直接转化为电能的发电装置，在发电的过程还会产生大量的热，从而提高煤层气的利用率。The coalbed methane utilization fuel cell combined heat and power system disclosed in the embodiment of the present invention is a power generation device that directly converts the chemical energy of coalbed methane and air into electrical energy through the electrochemical action of solid oxide fuel cells, and generates a large amount of electricity during the power generation process. heat, thereby improving the utilization rate of coalbed methane.
以上详细描述了本发明的较佳具体实施例。应当理解，本领域的普通技术无需创造性劳动就可以根据本发明的构思作出诸多修改和变化。因此，凡本技术领域中技术人员依本发明的构思在现有技术的基础上通过逻辑分析、推理或者有限的实验可以得到的技术方案，皆应在由权利要求书所确定的保护范围内。The preferred specific embodiments of the present invention have been described in detail above. It should be understood that those skilled in the art can make many modifications and changes according to the concept of the present invention without creative efforts. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of the present invention through logical analysis, reasoning or limited experiments on the basis of the prior art shall be within the scope of protection defined by the claims.
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