CN106835186A - It is electrolysed the method and device that methane is produced in three Room - Google Patents
It is electrolysed the method and device that methane is produced in three Room Download PDFInfo
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 140
- 238000000034 method Methods 0.000 title claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 230000000696 methanogenic effect Effects 0.000 claims abstract description 34
- 239000010802 sludge Substances 0.000 claims abstract description 24
- 235000015097 nutrients Nutrition 0.000 claims abstract description 21
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 239000001301 oxygen Substances 0.000 claims description 50
- 229910052760 oxygen Inorganic materials 0.000 claims description 50
- 239000007789 gas Substances 0.000 claims description 47
- 238000002485 combustion reaction Methods 0.000 claims description 46
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 38
- -1 hydrogen ions Chemical class 0.000 claims description 28
- 239000001257 hydrogen Substances 0.000 claims description 27
- 229910052739 hydrogen Inorganic materials 0.000 claims description 27
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 20
- 239000002912 waste gas Substances 0.000 claims description 20
- 241000894006 Bacteria Species 0.000 claims description 17
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 16
- 238000004064 recycling Methods 0.000 claims description 10
- 239000001569 carbon dioxide Substances 0.000 claims description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 6
- 239000010865 sewage Substances 0.000 claims description 5
- 230000029087 digestion Effects 0.000 claims description 3
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 claims description 3
- 241001148470 aerobic bacillus Species 0.000 claims description 2
- 239000012153 distilled water Substances 0.000 claims description 2
- 239000005416 organic matter Substances 0.000 claims description 2
- 239000002574 poison Substances 0.000 claims description 2
- 231100000614 poison Toxicity 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- 150000002431 hydrogen Chemical class 0.000 claims 1
- 239000000618 nitrogen fertilizer Substances 0.000 claims 1
- 239000002686 phosphate fertilizer Substances 0.000 claims 1
- 241001074903 Methanobacteria Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B3/00—Electrolytic production of organic compounds
- C25B3/20—Processes
- C25B3/25—Reduction
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
电解三室制取甲烷的装置，其特征在于，由壳体(1)、阴极室(2)、产甲烷室(3)、阳极室(4)和沼气池(5)组成，其特征在于，在壳体(1)的内部设有阴极板(6)，阳极板(7)，阳极板(7)和阴极板(6)的两面设有电解隔膜(8.1‑2)，电解隔膜(8.1)与阴极板(6)之间的空隙为阴极室(2)，阴极室(2)电解隔膜(8.2)与阳极板(7)之间的空隙为阳极室(4)，电解隔膜(8.1)与电解隔膜(8.2)之间的空隙为产甲烷室(3)，产甲烷室(3)设有污泥水排出口(9)，排出口(9)与沼气池(5)连通，沼气池(5)设有进营养液口(10)，进营养液口(10)与营养液池(11)连通，沼气池(5)设有污泥水排出口(12)，排出口(12)与产甲烷室(3)污泥水进口(13)连通。
The device for preparing methane by electrolysis with three chambers is characterized in that it consists of a housing (1), a cathode chamber (2), a methanogenic chamber (3), an anode chamber (4) and a methane pool (5). The inside of the housing (1) is provided with a cathode plate (6), an anode plate (7), and the two sides of the anode plate (7) and the cathode plate (6) are provided with an electrolytic diaphragm (8.1‑2), and the electrolytic diaphragm (8.1) and The gap between the cathode plates (6) is the cathode chamber (2), the gap between the cathode chamber (2) electrolytic diaphragm (8.2) and the anode plate (7) is the anode chamber (4), the electrolytic diaphragm (8.1) and the electrolytic The gap between the diaphragms (8.2) is the methane-producing chamber (3), and the methane-producing chamber (3) is provided with a sludge water discharge port (9), and the discharge port (9) is connected with the biogas digester (5), and the biogas digester (5 ) is provided with a nutrient solution inlet (10), and the nutrient solution inlet (10) is connected to the nutrient solution pool (11), and the biogas digester (5) is provided with a sludge water outlet (12), and the outlet (12) is connected to the production The methane chamber (3) is connected to the sludge water inlet (13).
Description
技术领域technical field
本发明涉及一种水电解制取甲烷技术的方法及装置，尤其是一种电解三室制取甲烷的方法及装置。The invention relates to a method and a device for preparing methane by electrolysis of water, in particular to a method and a device for preparing methane by electrolysis in three chambers.
背景技术Background technique
当前，水电解技术制取甲烷技术的方法及装置，还没有开发出来；锅炉内燃机排放的废气制取甲烷技术的方法及装置，也没有开发出来。而目前，能源紧缺，大气污染严重。因此，急需开发锅炉、内燃机能源、氧气自给废气循环利用零排放的系统技术方法及装置。At present, the method and device for producing methane by water electrolysis technology have not been developed; the method and device for producing methane from exhaust gas discharged from boiler internal combustion engines have not yet been developed. At present, energy is in short supply and air pollution is serious. Therefore, there is an urgent need to develop a zero-emission system technology method and device for boiler, internal combustion engine energy, and oxygen self-sufficient waste gas recycling.
发明内容Contents of the invention
为解决上述问题，本发明提供了一种电解三室制取甲烷的方法，包括如下工艺步骤：In order to solve the above problems, the invention provides a method for preparing methane by electrolysis in three chambers, comprising the following process steps:
1、电解三室制取甲烷的方法，其特征在于，①先将蒸馏水分别装入阴极室、阳极室，②再将氮肥、磷肥、少量的其他元素和水装入营养液池，混匀。③将甲烷菌种(发酵完了的有机物)装入沼气池，用污水泵把营养液池里的营养液抽到沼气池，营养液与甲烷菌种搅匀，形成污泥水，用污水泵把沼气池里的污泥水(甲烷菌种)抽到产甲烷室底部，从上部排出口排出，溢流到沼气池，污泥水(甲烷菌种)循环利用。1. The method for preparing methane by electrolysis in three chambers is characterized in that: ① put distilled water into cathode chamber and anode chamber respectively; ③Put the methane bacteria (fermented organic matter) into the biogas digester, pump the nutrient solution in the nutrient solution pool to the biogas digester with a sewage pump, stir the nutrient solution and the methane bacteria to form sludge water, and use the sewage pump to pump the nutrient solution into the biogas digester. The sludge water (methanogenic bacteria) in the biogas digester is pumped to the bottom of the methanogenic chamber, discharged from the upper outlet, overflows to the biogas digester, and the sludge water (methanogenic bacteria) is recycled.
2、作为本发明方法的优先方法，其特征在于，还包括锅炉内燃机排放的废气，通过气泵把废气输送到沼气池内的热交换器，热交换器加热沼气池内的污泥水，提高沼气池产气率。热交换器的废气出口与产甲烷室的底部废气进气口连通，废气通过气体分流板，均匀地进入产甲烷室，迅速上升。此时，水电解器开始工作，当阳极板产生的氢离子通过不对称电解隔膜向阴极板转移过程中，路过产甲烷室时，氢离子与废气里的二氧化碳与污泥水里的甲烷菌相遇，氢离子和二氧化碳在甲烷菌的作用下，合成甲烷，同时，还释放氧气，甲烷气体和氧气上升，从气体输出口输出，输送到锅炉内燃机内，甲烷做功(燃烧)，氧气参与甲烷做功(助燃)，废气循环利用零排放。漏网的氢离子进入阴极室，氢离子与氢离子结合，生成氢气，氢气上升，通过上部气体输出口，输送到锅炉内燃机做功(燃烧)，废气循环利用零排放。阴极板产生的氧离子向阳极板转移，在阳极室氧离子与氧离子结合生成氧气，氧气上升，从氧气输出口输出，输送到锅炉内燃机，参与甲烷、氢气做功(助燃)，实现废气循环利用零排放。2. As the preferred method of the method of the present invention, it is characterized in that it also includes the waste gas discharged from the internal combustion engine of the boiler, and the waste gas is transported to the heat exchanger in the biogas pit by an air pump, and the heat exchanger heats the sludge water in the biogas pit to improve the yield of the biogas pit. Gas rate. The exhaust gas outlet of the heat exchanger is connected with the exhaust gas inlet at the bottom of the methanogenic chamber, and the exhaust gas passes through the gas splitter plate, enters the methanogenic chamber evenly, and rises rapidly. At this time, the water electrolyzer starts to work. When the hydrogen ions generated by the anode plate are transferred to the cathode plate through the asymmetric electrolytic diaphragm and pass through the methanogenic chamber, the hydrogen ions and the carbon dioxide in the exhaust gas meet the methane bacteria in the sludge water. , hydrogen ions and carbon dioxide synthesize methane under the action of methanogens, and at the same time, release oxygen, methane gas and oxygen rise, output from the gas output port, and transport to the internal combustion engine of the boiler, methane does work (combustion), and oxygen participates in methane work ( Combustion), waste gas recycling zero emissions. The hydrogen ions that slipped through the net enter the cathode chamber, and the hydrogen ions combine with the hydrogen ions to generate hydrogen gas. The hydrogen gas rises, passes through the upper gas outlet, and is transported to the internal combustion engine of the boiler to do work (combustion), and the exhaust gas is recycled with zero emissions. Oxygen ions generated by the cathode plate are transferred to the anode plate, and oxygen ions are combined with oxygen ions in the anode chamber to generate oxygen. The oxygen rises, is output from the oxygen output port, and is transported to the internal combustion engine of the boiler, where it participates in the work (combustion support) of methane and hydrogen to realize waste gas recycling. zero emission.
3、作为本发明方法的优先方法，还包括在产甲烷室里，甲烷菌遇到氧离子、氧气，氧离子、氧气毒害甲烷菌，部分甲烷菌中毒后，迅速上升，从污泥水排出口排出，溢流到沼气池，中毒的甲烷菌在沼气池里被好氧菌吃掉携带的氧离子、氧气而休养康复。因此，储存池的容积要比产甲烷室的容积大0.5倍至15倍。还有锅炉内燃机排放的高温废气，通过管道输送到沼气池内的热交换器，加热沼气池内污泥水，提高中毒的甲烷菌治疗康复的速度。沼气池产生的沼气通过管道输送到锅炉内燃机做功(燃烧)。3. As a preferred method of the method of the present invention, it also includes that in the methanogenic chamber, the methanobacteria encounter oxygen ions, oxygen, oxygen ions, and oxygen poison the methanobacteria. After some methanogens are poisoned, they rise rapidly and discharge from the sludge water Exhausted and overflowed to the biogas digester, the poisoned methane bacteria are eaten by aerobic bacteria in the biogas digester to recuperate and recover from the oxygen ions and oxygen they carry. Therefore, the volume of the storage tank is 0.5 to 15 times larger than the volume of the methanogenic chamber. In addition, the high-temperature exhaust gas discharged from the internal combustion engine of the boiler is transported to the heat exchanger in the biogas digester through pipelines to heat the sludge water in the biogas digester and improve the speed of treatment and recovery of poisoned methane bacteria. The biogas produced by the biogas digester is transported through pipelines to the internal combustion engine of the boiler for work (combustion).
4、作为本发明方法的优先方法，还包括锅炉内燃机排放的废气，在产甲烷室内与水电解产生的氢离子相遇，在甲烷菌的作用下，合成甲烷，同时，还释放氧气，还有阳极室产生的氧气及阴极室产生的氢气，甲烷、氢气在锅炉内燃机做功(燃烧)，氧气参与甲烷、氢气做功(助燃)，生成二氧化碳和水，形成厌氧消化资源循环利用周期，各元素在密闭的容器内循环利用，不丢失。因此，锅炉内燃机能够实现能源、氧气自给，废气循环利用零排放。4. As a preferred method of the method of the present invention, the waste gas discharged from the internal combustion engine of the boiler also meets the hydrogen ions produced by water electrolysis in the methanogenic chamber, and under the action of the methanogenic bacteria, methane is synthesized, and at the same time, oxygen is also released, and there is also an anode Oxygen produced in the chamber and hydrogen produced in the cathode chamber, methane and hydrogen perform work (combustion) in the internal combustion engine of the boiler, and oxygen participates in the work (combustion support) of methane and hydrogen to generate carbon dioxide and water, forming an anaerobic digestion resource cycle. The container can be recycled and not lost. Therefore, the internal combustion engine of the boiler can realize self-sufficiency in energy and oxygen, and exhaust gas recycling with zero emission.
本发明所要解决的技术问题是：提供一种能够实现锅炉内燃机能源、氧气自给废气循环利用零排放的系统装置。The technical problem to be solved by the present invention is to provide a system device capable of realizing the recycling of boiler internal combustion engine energy and oxygen self-sufficient waste gas with zero emission.
本发明解决其技术问题的技术方案是：The technical scheme that the present invention solves its technical problem is:
电解三室制取甲烷的装置，由壳体、阴极室、产甲烷室、阳极室和沼气池组成，在壳体的内部设有阴极板，阳极板。阳极板和阴极板的两面设有电解隔膜8.1-2，电解隔膜8.1与阴极板之间的空隙为阴极室，阴极室顶部设有氢气气体排出口。电解隔膜8.2与阳极板之间的空隙为阳极室，阳极室顶部设有氧气输出口。电解隔膜8.1与电解隔膜8.2之间的空隙为产甲烷室，产甲烷室顶部设有甲烷气体输出口。氢气气体排出口、氧气输出口、甲烷气体输出口在输送管内混合后，输送到锅炉内燃机内做功，产甲烷室上部还设有污泥水排出口，排出口还设有防虹吸管。排出口与沼气池连通，沼气池的底部设有进营养液口，进营养液口与营养液池连通。沼气池的底部还设有污泥水排出口，排出口与设在产甲烷室底部的污泥水进口连通。沼气池顶部设有沼气输出管，沼气输出管与锅炉内燃机的进气口连通。The device for producing methane with three electrolysis chambers is composed of a shell, a cathode chamber, a methanogenic chamber, an anode chamber and a methane pool, and a cathode plate and an anode plate are arranged inside the shell. The two sides of the anode plate and the cathode plate are provided with an electrolytic diaphragm 8.1-2, the gap between the electrolytic diaphragm 8.1 and the cathode plate is a cathode chamber, and the top of the cathode chamber is provided with a hydrogen gas outlet. The gap between the electrolytic diaphragm 8.2 and the anode plate is the anode chamber, and the top of the anode chamber is provided with an oxygen outlet. The gap between the electrolytic diaphragm 8.1 and the electrolytic diaphragm 8.2 is a methanogenic chamber, and the top of the methanogenic chamber is provided with a methane gas output port. The hydrogen gas outlet, the oxygen outlet, and the methane gas outlet are mixed in the delivery pipe, and then transported to the internal combustion engine of the boiler to perform work. The upper part of the methane production chamber is also equipped with a sludge water outlet, and the outlet is also provided with an anti-siphon pipe. The outlet is connected to the biogas pool, and the bottom of the biogas pool is provided with a nutrient solution inlet, which is connected to the nutrient solution pool. The bottom of the biogas digester is also provided with a sludge water outlet, and the outlet is connected with the sludge water inlet at the bottom of the methane-producing chamber. A biogas output pipe is arranged on the top of the biogas digester, and the biogas output pipe communicates with the air inlet of the internal combustion engine of the boiler.
作为本发明技术方案的一种优先方案，还可以将多个阴极板、阳极板组装成一组，每组阴极板阳极板横着连接着排放，达到一定长度后，向上弯，叠加式向空中发展，还可以把每组阴极板阳极板摞起来，向空中发展。As a preferred solution of the technical solution of the present invention, a plurality of cathode plates and anode plates can also be assembled into a group, and each group of cathode plates and anode plates are connected and discharged horizontally. It is also possible to stack each group of cathode and anode plates to develop in the air.
作为本发明技术方案的一种优先方案，还包括锅炉内燃机(14)的排气口(15)与沼气池(5)内的热交换器连通，热交换器的废气出口与壳体(1)的底部进气口(23)连通，进气口(23)设在壳体(1)的底部与气体分流板(16)之间。气体分流板(16)设有多个微气孔，锅炉内燃机排放的废气，通过气体分流板，均匀上升，进入产甲烷室。废气里的二氧化碳与氢离子相遇，在甲烷菌的作用下，合成甲烷。甲烷气体上升，从产甲烷室顶部设有的气体输出口输出。As a preferred scheme of the technical solution of the present invention, it also includes that the exhaust port (15) of the internal combustion engine (14) of the boiler communicates with the heat exchanger in the biogas digester (5), and the exhaust gas outlet of the heat exchanger is connected with the casing (1) The bottom air inlet (23) is communicated with, and the air inlet (23) is located between the bottom of the casing (1) and the gas distribution plate (16). The gas splitter plate (16) is provided with a plurality of micropores, and the waste gas discharged from the internal combustion engine of the boiler passes through the gas splitter plate, rises evenly, and enters the methane-producing chamber. Carbon dioxide in the exhaust gas meets hydrogen ions, and under the action of methanogens, methane is synthesized. The methane gas rises and is output from the gas output port provided on the top of the methane-producing chamber.
总之，锅炉内燃机排放的废气，在产甲烷室内与水电解产生的氢离子相遇，在甲烷菌的作用下，合成甲烷；同时，还释放氧气；还有阳极室产生的氧气及阴极室产生的氢气。甲烷、氢气在锅炉内燃机做功(燃烧)，氧气参与甲烷、氢气做功(助燃)，生成二氧化碳和水，形成厌氧消化资源循环利用周期。各元素在密闭的容器内循环利用，不丢失。因此，锅炉内燃机能够实现能源、氧气自给，废气循环利用零排放。In short, the exhaust gas emitted by the internal combustion engine of the boiler meets the hydrogen ions produced by water electrolysis in the methanogenic chamber, and under the action of methanogenic bacteria, methane is synthesized; at the same time, oxygen is also released; there are also oxygen produced by the anode chamber and hydrogen produced by the cathode chamber . Methane and hydrogen do work (combustion) in the internal combustion engine of the boiler, and oxygen participates in the work (combustion support) of methane and hydrogen to generate carbon dioxide and water, forming an anaerobic digestion resource cycle. Each element is recycled in the airtight container and will not be lost. Therefore, the internal combustion engine of the boiler can realize self-sufficiency in energy and oxygen, and exhaust gas recycling with zero emission.
工作原理与电解三室制取甲烷的方法基本相同。The working principle is basically the same as the method of producing methane by electrolysis in three chambers.
与现有技术相比，本发明能够实现锅炉内燃机能源、氧气自给废气循环利用零排放。Compared with the prior art, the present invention can realize the zero emission of boiler internal combustion engine energy and oxygen self-sufficient waste gas recycling.
附图说明Description of drawings
图1是本发明的系统示意图；Fig. 1 is a schematic diagram of the system of the present invention;
具体实施方式detailed description
如图所示，电解三室制取甲烷的装置，由壳体1、阴极室2、产甲烷室3、阳极室4和沼气池5组成，其特征在于，在壳体1的内部设有阴极板6，阳极板(7)，阳极板(7)和阴极板(6)的两面设有电解隔膜8.1-2，电解隔膜8.1与阴极板6之间的空隙为阴极室2，阴极室2顶部设有氢气气体排出口21，电解隔膜8.2与阳极板7之间的空隙为阳极室4，阳极室4顶部设有氧气输出口22，电解隔膜8.1与电解隔膜8.2之间的空隙为产甲烷室3，产甲烷室3顶部设有甲烷气体输出口17，氢气气体排出口21、氧气输出口22、甲烷气体输出口17在输送管内混合后，输送到锅炉内燃机内做功，产甲烷室3上部还设有污泥水排出口9，排出口9还设有防虹吸管19，排出口9与沼气池5连通，沼气池5的底部设有进营养液口10，进营养液口10与营养液池11连通，沼气池5的底部还设有污泥水排出口12，排出口12与设在产甲烷室3底部的污泥水进口13连通，沼气池5顶部设有沼气输出管20，沼气输出管20与锅炉内燃机14的进气口18连通，还可以将多个阴极板6、阳极板7组装成一组，每组阴极板6阳极板7横着连接着排放，达到一定长度后，向上弯，叠加式向空中发展，还可以把每组阴极板6阳极板7摞起来，向空中发展。As shown in the figure, the device for preparing methane with three electrolysis chambers is composed of a housing 1, a cathode chamber 2, a methanogenic chamber 3, an anode chamber 4 and a biogas digester 5. It is characterized in that a cathode plate is provided inside the housing 1 6. The anode plate (7), the two sides of the anode plate (7) and the cathode plate (6) are provided with an electrolytic diaphragm 8.1-2, and the gap between the electrolytic diaphragm 8.1 and the cathode plate 6 is the cathode chamber 2, and the top of the cathode chamber 2 is provided with There is a hydrogen gas outlet 21, the gap between the electrolytic diaphragm 8.2 and the anode plate 7 is the anode chamber 4, and the top of the anode chamber 4 is provided with an oxygen output port 22, and the gap between the electrolytic diaphragm 8.1 and the electrolytic diaphragm 8.2 is the methanogenic chamber 3 , the top of the methane chamber 3 is provided with a methane gas outlet 17, and after the hydrogen gas outlet 21, the oxygen outlet 22, and the methane gas outlet 17 are mixed in the delivery pipe, they are transported to the internal combustion engine of the boiler to perform work. The upper part of the methane chamber 3 is also provided There is a sludge water discharge port 9, and the discharge port 9 is also provided with an anti-siphon pipe 19. The discharge port 9 is connected to the biogas digester 5. The bottom of the biogas digester 5 is provided with a nutrient solution inlet 10, and the nutrient solution inlet 10 is connected to the nutrient solution pool 11. Connected, the bottom of the biogas digester 5 is also provided with a sludge water discharge port 12, and the discharge port 12 is connected with the sludge water inlet 13 located at the bottom of the methane-producing chamber 3, and the top of the biogas digester 5 is provided with a biogas output pipe 20, a biogas output pipe 20 communicates with the air inlet 18 of the internal combustion engine 14 of the boiler, and multiple cathode plates 6 and anode plates 7 can also be assembled into a group, and each group of cathode plates 6 and anode plates 7 are horizontally connected and discharged, and after reaching a certain length, they are bent upwards and stacked The formula develops in the air, and each group of cathode plates 6 and anode plates 7 can be piled up to develop in the air.
还包括锅炉内燃机14的废气排气口15与沼气池5内的热交换器(24)连通，热交换器(24)的废气出口与壳体1的底部废气进气口23连通，废气进气口23设在壳体1的底部与气体分流板16之间，气体分流板16设有多个微气孔，气体分流板16设在产甲烷室3的底部，产甲烷室3顶部设有甲烷气体输出口17。It also includes that the waste gas exhaust port 15 of the internal combustion engine 14 of the boiler communicates with the heat exchanger (24) in the biogas digester 5, and the waste gas outlet of the heat exchanger (24) communicates with the bottom waste gas inlet 23 of the housing 1, and the waste gas enters the The port 23 is arranged between the bottom of the housing 1 and the gas distribution plate 16, the gas distribution plate 16 is provided with a plurality of micro-pores, the gas distribution plate 16 is arranged at the bottom of the methanogenic chamber 3, and the top of the methanogenic chamber 3 is provided with methane gas Outlet 17.
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