Principle of septic tank mould_ Zhentong

  The principle of steel mold of septic tank, a treatment equipment that uses the principle of sedimentation and anaerobic fermentation to remove suspended organic matter in daily sewage, , Transitional day treatment structures attributed to primary
Daily sewage contains a lot of feces, paper scraps, pathogenic insects The concentration of suspended solids is 100 ~ 350mg / L, organic concentration CODCr  In 100~400mg/L  Suspended organic matter concentration between BOD5  It is 50 ~ 200mg / L
Sewage enters septic tank and passes through 12~24h  Deposition of can be removed 50~60  Suspended solids
The deposited sludge passes through 3  After more than months of anaerobic fermentation decomposition, the organic matter in the sludge is decomposed into stable inorganic matter, and the erosive raw sludge is transformed into stable cooked sludge, which changes the structure of the sludge and reduces the moisture content of the sludge
The sludge shall be regularly removed, transported out, buried or used as fertilizer
Requirements: septic tank , The accounting volume of the sedimentary part and the degenerate part of the
The residence time of sewage in septic tank should be 12h~36h。 For the sewage treatment system without sludge disposal, the volume of septic tank shall also include the volume of sludge storage, and the construction method shall be lifted by crane
The quotation of septic tank steel mould has been in Europe 100  Years of application history
Initially used to accumulate fertilizer
In the process of urbanization, septic tanks have played a positive role in controlling environmental pollution and maintaining water bodies
Nowadays, the construction of septic tanks in rural areas is becoming more and more important, but the supporting effect of septic tanks on urban production has been basically improved

The quotation of steel mould for septic tank is not only the basic sludge treatment equipment, but also the pretreatment equipment for daily sewage
Its effects are as follows:
1
Ensure the environmental sanitation of the community and prevent the dispersion of sewage and pollutants in the living environment

2
Kill mosquito, fly and insect eggs in the anaerobic degenerated working environment of septic tank

3
Temporary storage of sludge, anaerobic degradation of organic sludge, and maturing organic sludge can be used as agricultural fertilizer

4
The pretreatment (treatment) of daily sewage will deposit impurities and hydrolyze macromolecular organics into small molecular organics such as acids and alcohols, so as to improve the subsequent sewage treatment

 
Hebei Baoding Zhentong mould factory
 
Manager Liang , 1893264411⒋