Rural biogas project - how much is the cost of domestic biogas power generation technology
Hongjing environmental protection manufacturer Chen Manager (WeChat Tonghao) mainly produces red mud gas cabinet, floating cover biogas bag biogas tank, double membrane gas cabinet wet gas storage cabinet biogas purification biogas dry desulfurization denitrizer, PVC pig manure biogas bag, trough type Wheeled self-propelled crawler type zero-emission fermentation bed turner, turning machine, turning machine, chicken manure, pig manure, cow dung dry and wet separator processor, biogas slurry, dregs, pulp separator, Hongjing environmental protection sales area: Nantong, Wenzhou, Sanming, Inner Mongolia, Ningxia, Yangzhou, Lanzhou, Zhangping, Qingdao, Yantai, Weihai, Yueyang, Deyang, Xinfeng, Guoyang, Laiwu, Huludao, Fuyang, Qiqihar, Huangshan
Construction site of biogas project in farm biogas project
The main fermentation raw materials in rural Zui are human, animal manure and straw, and human and animal manure do not need to be pretreated. Because crop straw is difficult to digest, it must be piled up before it is beneficial to biogas fermentation. The temperature in the north is low, pit type stacking should be adopted: firstly, the straw is grown to about 3 cm (1 inch), and the pile is piled up to 30 cm (1 foot) thick, and 2% lime clear liquid is added and 10% of manure water is added ( That is 100 kg of straw, 2 kg of lime clarified liquid, 10 kg of faecal water). According to this method, 3-4 layers are laid, covered with plastic film after stacking, and stacked for about 15 days, which can be used as fermentation raw materials. The temperature in the south is relatively high, and the straw can be directly stacked on the ground by the above method.
How to prepare biogas fermentation inoculum?
The rural biogas fermentation inoculum generally uses a certain amount of human and animal feces in the fermentation broth of the old biogas digester, and is stacked in a non-seepage pit and sealed with a plastic film. It can be used as an inoculum after one week. For example, to prepare 500 kg of fermentation inoculum, 200 kg of biogas fermentation broth is generally added and 300 kg of human and animal manure are mixed. If there is no biogas fermentation broth, you can use 250 kg of fertile gully sludge in rural areas, add 250 kg of human and animal manure and mix it for about 1 week. If there is no sludge, you can directly use 500 kg of human and animal manure for closed pile. Hey, you can do biogas fermentation inoculum after 10 days.
How to prepare biogas fermentation raw materials?
According to raw materials and feeding methods, the types of rural biogas fermentation often use two kinds of fermentation methods: straw-based one-time feeding and continuous feeding of livestock manure. The latter method is illustrated by way of example. In the rural areas, a 8 m 3 hydraulic biogas tank is generally constructed, and the effective volume of fermentation is about 6.5 m 3 . Due to the different dry matter content of different types of livestock and poultry manure, the pig manure is used as an example to calculate how to prepare biogas fermentation raw materials. The dry matter content of fresh pig manure is about 18%. The fermentation concentration in the south should be about 6%, about 2 200 kg (about 3 m 3 ) of fresh pig manure, 500 kg of inoculum (depending on the dry matter content of the inoculum and pig manure), and 3 800 kg of fresh water; The fermentation concentration in the north should be about 8%, and the fresh pig manure should be about 2 900 kg (about 4 m.).
500 kg, add 3 100 kg of water. In the fermentation process, because the biogas tank is repaired together with the pig pen and the toilet, it can be fed by itself.
Jining City, Shandong Province Hongjing Environmental Protection Co., Ltd. (2 km from Jining West Exit of Ridong Expressway)
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