MBBR (Moving Bed Biofilm Reactor) composite constructed wetland small sewage treatment device

• Main Authors: TIAN WENFENG, YANG CHAO, ZHANG YOUDE, YIN XING, DAI CAOPEI
• Format: Patent
• Language: Chinese; English
• Published: 16.08.2022
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The utility model discloses an MBBR (Moving Bed Biofilm Reactor) composite constructed wetland small-sized sewage treatment device which comprises a shell as well as a water inlet and a water outlet which are formed in the side wall of the shell, an MBBR tank and a sedimentation tank are arranged at the lower position in the shell, and a constructed wetland unit is arranged at the upper position in the shell; the bottom of the MBBR tank is of an inverted trapezoidal structure, the MBBR tank is filled with suspended filler, a microporous aeration pipeline and a sludge discharge pipeline I are laid at the lower position in the MBBR tank, and a plurality of exhaust pipes I are mounted at the upper position in the MBBR tank; one side, close to the sedimentation tank, of the MBBR tank is fixedly communicated with an overflow pipe, and the other end of the overflow pipe extends to the inner bottom of the sedimentation tank. The MBBR tank and the sedimentation tank are arranged below the constructed wetland unit, so