论文部分内容阅读
农村水压式沼气池,易结壳的原因是粪草混合发酵,干草进池后不易腐烂,未预沤的鲜草入池后在池内浮的残渣较多。经调查,猪粪与垫栏干稻草一同入池六个月内池内结壳厚度平均为0.30米,一般为0.25～0.45米;鲜草与猪粪入池的,平均为0.27米,一般为0.22～0.35米;人粪与猪粪入池的,池内结壳厚度平均为0.18米,一般为0.12～0.25米,且结壳层致密性差,界面极易打破,气体
Rural hydropower digesters, easy crusting is due to mixed fermentation of manure grass, hay into the pool after perishable, non-pre-made fresh grass floating in the pool after the residue more. After investigation, pig manure and padded bar dry straw together into the pool within a pool of 6 months the average thickness of 0.30 meters, usually 0.25 to 0.45 meters; fresh grass and pig manure into the pool, an average of 0.27 meters, usually 0.22 ~ 0.35 m; human excrement and pig manure into the pool, the average thickness of the pool crust 0.18 m, usually 0.12 ~ 0.25 m, and the crust compact, the interface is extremely easy to break, the gas