Biogas is a flammable gas mixture produced by the decomposition of organic matter under anaerobic conditions. Its main component is methane. In rural areas, many farmers now use biogas, which not only improves the living conditions of their homes, but also protects the ecological environment. How to make biogas more gas-producing, more fertilizer, and safe, some peasant friends still know less, now as follows.
1, raw materials should be sufficient, reasonable ingredients, suitable PH value. The feed should be 85-90% of the tank volume. 75 kg of draft stalks, weeds and 150 kg of human and animal manure without water are filled in each cubic charge. The draft stalks are crushed into 2-4 inches in length, and are stacked and handled in a compacted manner.
2. There must be bacteria in the fermentation process of the digester. The new pool must add 5% of sludge or manure to the strain; when the old pool discharges, 300kg of manure should be left as the mother liquor, so that the biogas production is high and the gas production is fast.
3. The biogas digester should be fed regularly, discharged, and advanced. One month after the first charge, another batch of material was added every 7 days. The quantity accounted for 5% of the total charge. Simultaneously with the same amount of feed biogas slurry, human and animal manure pool, such as biogas slurry, human and animal manure are insufficient, should add straw, weeds.
4. Stir frequently and use long dung or bamboo rods to pull from the feed inlet into the pool. Stirring can make the fermentation raw material fully contact with the microorganisms in the biogas digester, accelerate the biogas production and prevent the formation of the fecal shell.
In addition, inspect and regularly reload. The discharge is about 10 tons at a time. At the same time, the material should be opened to prevent negative pressure and damage the tank. It is forbidden to import mango mandshurica with high phosphorus, manure manuscript rods, bone powder, phosphate rock powder and various pesticides, phosphates and other substances into the pool, to avoid the production of highly toxic gas—phosphorus trihydrogenation, resulting in the death of human and livestock poisoning. The intake of the digester must be covered to prevent people and livestock from falling into the tank and causing death. In the event of major discharges and overhauls, it is necessary to open the movable cover first, and after 3-4 days of openness, the person can operate under the pool so that he can take preventive measures.
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