在清除沼气池内沉渣或维修沼气池时需注意哪些安全事项?

2025-03-25 17:56:00
推荐回答(1个)
回答1:

(1)清除沼气池内沉渣或修补沼气池时,首先要把输气管取下,发酵原料至少清除到进出料口挡板以下,有活动盖的要将活动盖揭开并用风车等向池内鼓风,当池内有了充足的新鲜空气后并经过动物安全试验人才能进入池内。
(2)入池前应先进行动物试验,将鸡、兔等动物用绳子拴住慢慢放入池内50分钟。如动物活动正常说明池内空气充足可以入池工作。若动物表现异常或出现昏迷状态,表明池内严重缺氧、二氧化碳浓度高或有残留的有毒气体未排除干净,这时要严禁人员进入池内并要继续通风排气。
(3)在向池内通风和进行动物试验后,下池的人员要在腰部拴上绳子搭梯下池,池外要有1~2人看护,一旦发生意外时,能迅速将人拉出池外进行抢救。入池操作人员如果感到头昏、发闷、不舒服要马上离开,到池外空气流通的地方休息。
(4)为了防止沼气池内产生有毒气体,严禁将菜籽枯加入沼气池内。因油枯在密闭的条件下能产生有毒气体磷化三氢,人接触后极易中毒甚至死亡。
(5)沼气池大换料清除沉渣时,最好使用出料机具,尽量避免人进入池内。

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