1.在冬季农村庭院沼气池的蓄水圈、进出料口、水压间应照常加盖管理,防止人畜掉进池内造成伤亡。2.当室外温度低于零度时,地下沼气池处于半生产或停产状态,这时打开顶盖,拔下导气管,以防止冬季缓慢产气胀坏池体,或沼气外漏造成室内窒息和燃烧事故的发生。3.严禁老池空腹过冬,一 1. In rural winter garden biogas storage aqueduct, the inlet and outlet, water pressure should be regularly capped to prevent people and livestock into the pool to cause casualties. 2. When the outdoor temperature is below zero, the underground digester in half production or shutdown, then open the top cover, unplug the airway to prevent the slow gas production in winter, bad pool body, or methane leakage caused by indoor suffocation and Occurrence of burning accident. 3. It is strictly forbidden to have the old pool fast for the winter, one