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Kunshan Pinhong EPT Co.,Ltd
Kunshan Pinhong EPT Co.,Ltd
Add : (Qiandeng Yuanchuang Base) No. 125, Jinxing South Road, Qiandeng Town, Kunshan, Jiangsu, China
Tel : （0086）15995617314
Fax : +86-512-50130524
E-mail :lvfang@ksphxs.com
Due to the limitations of regional economic development, rural water pollution is often not effectively controlled. Most of it is directly discharged into water bodies without any sewage treatment facilities, which seriously threatens groundwater. In view of the characteristics of wide area, dispersion, and multiple sources of rural domestic sewage, different rural sewage treatment technologies have been explored at home and abroad, including anaerobic biogas digester sewage treatment technology, stabilized pond sewage treatment technology and constructed wetland sewage treatment technology. These commonly used technologies have the advantages of low one-time investment, convenient installation, simple maintenance and management, etc., and are suitable for on-site treatment of a small amount of rural domestic sewage.
The integrated sewage treatment equipment includes a settling tank, anoxic tank, a rotating biological treatment unit and a second settling tank. The sewage enters the integrated sewage treatment equipment through the regulating tank, and first enters the primary sedimentation tank. The primary sedimentation tank adopts an inclined plate sedimentation tank, and uses the principle of shallow sedimentation to remove most of the suspended solids and inorganic particles in the sewage. The effluent from the primary sedimentation tank enters the anoxic tank, is mixed with the return nitrification liquid and the return sludge of the secondary sedimentation tank, and is fully mixed by a submersible mixer to complete the denitrification process. The effluent after denitrification enters a rotating biological treatment unit composed of two-stage bioreactors, each of which is composed of a biological rotor and a biochemical tank. During the rotation of the biological rotor, air and sewage are mixed, and organic matter is degraded through the three-phase contact and mass transfer of air, sewage and microorganisms. The secondary sedimentation tank settles the aging biofilm shed of the effluent of the rotating biological treatment unit, and the clarified effluent enters the wetland system for further processing.