Zhejiang Zhengda Environmental Protection Equipment Co., Ltd

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Solid liquid separation - application in biogas (poultry)

Time: December 27, 2023 View:

key word: Solid liquid separation equipment    Solid liquid separator    Horizontal screw centrifuge   

Solid liquid separator Use effect analysis:

1) The volume of the old biogas tank built by the farmers is too small, and the time for sewage to drain into the tank is too short, which leads to high sewage concentration discharge, so it should be used before the sewage enters the tank Solid-liquid separation Mechanical treatment can effectively reduce the content of COD and BOD in sewage, reduce the operation load of biogas digester, and thus achieve the reduction of sewage discharge;

2) Using the solid-liquid separator in advance can transform the feces in the fresh sewage into valuable fish feed or organic fertilizer. The separated sewage flows into the biogas digester intermittently, so that the anaerobic digester can have a full digestion time, so that the active bacteria in the digester can breed more vigorously, the gas production is higher, the content of gas methane is naturally higher, and the high purity of gas quality is naturally overcome to solve the problem of abnormal operation of the biogas generator;

 Solid liquid separation - application in biogas (poultry) (Figure 1)

3) The sewage treated by the solid-liquid separator flows into the biogas digester, which can effectively solve the problem of biogas digester crusting and eliminate the work of cleaning up biogas residue;

4) The use of solid-liquid separators can reduce the investment in the construction of biogas digesters. For example, for breeding or slaughterhouses that discharge 100 tons of sewage every day, if a matching solid-liquid separator is used for early treatment, the investment in the construction of 300 cubic meters of anaerobic digesters can be reduced. Because the concentration of feces and sewage mixed into the pool is too high, the anaerobic time needs to be extended accordingly, Therefore, if the farms that discharge 100 tons of sewage per day do not need to be treated by solid-liquid separators, they need to build an anaerobic tank of 1000-1200 cubic meters. If solid-liquid separators are used, 300-400 cubic meters can be reduced.

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