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新建成的沼气池装料后多达40余天迟迟不产气;有的池子产气很多,但不能点燃,而且有一股刺鼻的臭味(硫化氢、氨气),这是什么原因呢?沼气是有机物质在隔绝空气、保持一定温度、湿度和酸碱度条件下,经微生物(甲烷菌)活动而产生的。沼气池不产气或产气点不着火的主要原因是:(1)发酵原料碳氮比例失调。(2)发酵料液温度太低。(3)缺少接种物。
Newly built biogas digester lasted as long as 40 days after gasification. Some of the wells produce much gas but can not ignite, and there is a pungent smell (hydrogen sulfide, ammonia). What is the reason? Biogas is produced by the action of microorganisms (methane bacteria) under the condition of isolation of air, keeping certain temperature, humidity and pH. Biogas digesters do not produce gas or gas-producing point is not the main reason is: (1) fermentation of raw materials, carbon and nitrogen imbalance. (2) fermentation feed liquid temperature is too low. (3) lack of inoculum.