冬季经常出现摄氏零度以下低温,户用沼气池发酵温度随之下降到摄氏十一至十二度,因而产气量不到夏季产气量的三分之一,满足不了农户的正常需求。采用以保温、增温为中心的管理措施,就能增加产气量。 一、建沼气池于蔬菜塑料大棚内 这样既保证了沼气池池温不降低,同时又便于沼渣、沼液在蔬菜上的使用。如果与沼气池配套的猪圈也建在塑料大栅内,还能解决生猪冬季生长缓浸的问题。 In winter, temperatures below zero are commonly observed. The fermentation temperature of household digesters drops to eleven to twelve degrees Celsius, resulting in less than one-third of summer gas production, thus failing to meet the normal needs of farmers. The use of insulation, warming the center of the management measures, can increase gas production. First, to build biogas digesters in plastic greenhouses so that not only to ensure that the digester pool temperature is not reduced, but also facilitate the use of biogas residue, biogas slurry in the vegetables. If the biosphere supporting pig sty is also built in the plastic gate, but also solve the problem of pig slow growth in winter.