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为了解决沼气池液面结壳问题,我们从去年二月开始,在全县970多口沼气池内,采用了池内插管法,既解决了发酵液面结壳问题,又提高产气率约20％。一、插管方法。用内径3—4cm竹管数根,竹管数量视池的大小而定。一般6m~3沼气池内插入竹管5—6根,长为120cm,占主池高度3/4。竹管应将两头竹节锯去,然后将每个竹节处左右交叉锯成木梳片形状(见图),即锯通竹节的一半,竹管内余下节片用小刀刮去,使竹管上下左右贯通,起到通水通气作用。在料液装到一定高度以后,先用一般竹、木杆
In order to solve the problem of liquid surface crusting of biogas digesters, we started with the intubation method in 970 biogas digesters in the county from February last year, which not only solved the problem of fermentation liquid crust but also increased the gas production rate by about 20 %. First, the method of intubation. 3-4cm diameter with a bamboo root, the number of bamboo depending on the size of the pool. General 6m ~ 3 digesters into bamboo 5-6 root, length of 120cm, accounting for the main pool height of 3/4. Bamboo should be two bamboo saw to go, and then cross each other around the bamboo sawed into a wooden comb shape (see photo), that is, sawing bamboo half, the bamboo section of the remaining sections with a knife to scrape off the bamboo Pipe up and down through, play the role of water ventilation. In the liquid loaded to a certain height, the first general bamboo, wood