How is the biogas material rapidly rot?
First, the use of principle
After directly adding straw, manure and other materials to the biogas digester, due to the impact of changes in the internal and external environment temperature of the pool, slow anaerobic fermentation in the tank, and unsatisfactory production conditions, the company introduced the use of “Gumbe Biogas Fast Decomposition†to the materials. Perform pre-processing in advance. This product is a good (consumption) oxygen type fermentation agent, has the advantages of high fermentation speed, simple operation, etc. It can convert various crop straw, animal feces and other fermentation, so that the lignin, cellulose, hemicellulose, fruit in the straw Compounds such as gums and waxes, and crude fiber in feces are decomposed and destroyed, and the gas-producing materials after fermentation of this product can be better decomposed and utilized by bacteria, preventing straw crusts, rapid start-up, increasing gas production, and increasing production. Gas efficiency and other aspects have a good effect.
Second, the role of speed rot
1, shorten the gas production time. After pre-treating straw, cow dung, etc., with the golden carb fast scavenger through rapid aerobic fermentation, and then putting the fermented stalks into the biogas tank, the decay time can be greatly reduced, and the gas production stage can be advanced to save 60 times more than natural stacking. % into the above time.
2, to prevent crusted obstacles. The surface of the straw has a layer of wax that is not easily destroyed by the biogas microorganisms. If the straw directly under the pool will be a lot of floating crust, it is difficult to be decomposed and fully utilized by fermentation, which significantly affects the gas production and gas production efficiency, so before entering the pool with Gem biogas fast rot pretreatment after it was destroyed (Fermentation, softening, rot) can increase gas production by 20-40%.
3, improve gas production efficiency. After the raw material is pretreated, the fermentation time in the pool is naturally reduced. When the material enters the pool, the temperature can quickly meet the requirements and begin to produce gas. If the raw material is used together with Gembio Biogas Fermenting Agent, it can shorten the startup time by more than half. Time, can increase 50-100% of gas production, gas production evenly and smoothly, and save a lot of manpower time and cost.
Third, the operation method
1, raw material preparation. First, straw or straw 10-15 (dry weight of about 1-2 tons) with a guillotine cut into 4 cm long and short standby, conditional can be better kneaded or crushed, this can not only damage the waxy surface of the straw surface , And increase the contact area of ​​fermentation raw materials and bacteria, can accelerate the decomposition and utilization of raw materials.
2, built a heap of bacteria. 2.5 kg of urea (which can also be replaced with 250 kg of poultry excrement) is mixed with 150-200 kg of water to make urea water and evenly thrown in the straw material. The moisture content of the material pile is required to reach 60-70% (whether the moisture is suitable or not Judgment method: hand grasping a handful of material, see the water does not drip, landing that is appropriate scattered), wait until the urea water soaked material, and then into a pile (built pile standard: high 1.5-1.8 meters, width 2 meters , length 2-3 meters or more), must be side pressure, try to reduce the size, but do not have to be compressed, otherwise it will not be breathable. After stacking, cover the air-permeable cover and place it naturally for 12-24 hours. The next day, mix 1 kg of golden treasure biogas fast rot with 5-10 kg of rice bran (or coffee, corn flour) and mix evenly, and then evenly spread it in the piled material so that it can be flanged. Evenly spread the Kimbe Fermenting bacterium, and then put them together in a pile (1.5-1.8 meters high, 2 meters wide and 3 meters long), and then cover with a stack of breathable blankets. Take care to avoid rain. Insulation moisture.
3, warming fermentation. Accumulated fermentation time: 2 to 5 days in summer and 5 to 7 days in winter. When stacking 2 to 3 days after the internal heat of the material is hot (50 ~ 60 °C), can be turned once, turn the stack into the heap, and make up a certain amount of water, preferably urea water, be careful not too much , still keep the hand tightly grasping a handful of material, see the water does not drip, landing is scattered. , When the material is quickly roted, it can produce a slight scent of the wine or ammonia, most of the straw color changes from yellowing to blacking or turning brown, and it is broken by hand. At this time, the rapid rot outside the pool is completed. The material can be put into the biogas digester to produce gas (note that there should be about one-third of the old biogas digester substrate in the digester tank, or long-term accumulation time, black-smelling cows and pig feces).
Straw, cow dung and other materials are pre-treated by fermentation and then put into a biogas digester. In combination with the use of Gum Biogas fermentation agent, the gas production efficiency can be increased by about 30%, and the gas production rate and gas production can be greatly increased.
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