一、要有充足的发酵原料沼气发酵需要充足的有机发酵物作为原料,在农村主要是人畜粪便,其他有机废水、屠宰场废水和豆制品作坊废水,以及部分农作物秸秆。人畜粪便一般不必进行预处理。用鸡粪作原料需加水与接种物拌匀,并堆沤10天以上。作物秸秆需铡短至6厘米以下或粉碎,加水与接种物拌匀后堆沤4～5天。不要单独用鸡粪、人 First, there must be sufficient fermentation of raw materials Biogas fermentation requires adequate organic fermentation as raw material, mainly in rural areas manure and livestock, other organic waste water, slaughterhouse wastewater and soy product workshop wastewater, as well as some crop stalks. Human and animal feces generally do not have to pretreatment. With chicken manure as a raw material to be added with water and inoculum mix, and heap 沤 more than 10 days. Crop stalks need to be as short as 6 cm or crushed, add water and inoculum after mixing pile heap 4 to 5 days. Do not use chicken manure alone, people