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厭氧發(fā)酵罐是指有機物質（畜禽糞便、秸稈、污泥垃圾等）在一定水分、溫度和厭氧條件下，通過各類微生物的分解代謝，形成甲烷和二氧化碳等可燃性混合氣體—沼氣的過程。
Anaerobic fermentation tank refers to the process in which organic matter (livestock manure, straw, sludge, garbage, etc.) is decomposed and metabolized by various microorganisms under certain moisture, temperature, and anaerobic conditions to form combustible mixed gases such as methane and carbon dioxide - biogas.
厭氧發(fā)酵罐消化器或稱沼氣發(fā)酵的核心設備，微生物的繁殖，有機物的分解轉化，沼氣的生成都是在消化器里進行的，因此消化器的結構和運行情況是一個沼氣工程設計的重點。
The anaerobic fermentation tank digester, also known as the core equipment of biogas fermentation, is where the growth of microorganisms, the decomposition and transformation of organic matter, and the generation of biogas are all carried out. Therefore, the structure and operation of the digester are the focus of biogas engineering design.
厭氧發(fā)酵罐干法厭氧發(fā)酵技術優(yōu)點：
Advantages of dry anaerobic fermentation technology in anaerobic fermentation tanks:
1）可以適應各種來源的固體有機廢棄物；
1) Can adapt to solid organic waste from various sources;
2）運行費用低，并提高了容積產(chǎn)能能力；
2) Low operating costs and improved volumetric capacity;
3）需水量低或不需水，節(jié)約水資源；
3) Low or no water demand, saving water resources;
4）產(chǎn)生沼液少，廢渣含水量低，后續(xù)處理費用低，能夠產(chǎn)生沼氣，沼氣對清潔能源有很大的幫助；
4) Low production of biogas slurry, low moisture content of waste residue, low cost of subsequent treatment, and the ability to produce biogas, which is of great help to clean energy;
5）并且能夠減少臭氣的排放。
5) And it can reduce the emission of odors.
厭氧發(fā)酵罐的工藝:
Process of anaerobic fermentation tank:
厭氧發(fā)酵罐將其復雜的焊接罐安裝工藝以及混凝土澆筑工藝進行生產(chǎn)工廠化、工藝簡單化、使投入成本降低,并且不用投入大量的人力物力,一切加工全部工廠化完成，厭氧發(fā)酵罐是一種對物料進行機械攪拌與發(fā)酵的設備。厭氧發(fā)酵罐設備采用內(nèi)循環(huán)方式，用攪拌槳分散和打碎氣泡，它溶氧速率高，混合效果好。
The anaerobic fermentation tank industrializes its complex welding tank installation process and concrete pouring process, simplifies the process, reduces input costs, and does not require a large amount of manpower and material resources. All processing is completed in a factory. The anaerobic fermentation tank is a device for mechanical mixing and fermentation of materials. The anaerobic fermentation tank equipment adopts an internal circulation method, using a stirring blade to disperse and crush bubbles. It has a high dissolved oxygen rate and good mixing effect.
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