MFBR sewage treatment device

• Main Authors: YUE ZHONGQIU, LIU JUN, YANG KAN, ZHU CHUNYOU, MI MENGXIN, XIANG WEI, TIAN HUA
• Format: Patent
• Language: Chinese; English
• Published: 12.11.2019
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The invention discloses an MFBR sewage treatment device which comprises a treatment cylinder, and the interior of the treatment cylinder is divided into an adjusting area, a middle reaction area, an MFBR reaction area and a precipitation separation area; the MFBR reaction area is divided into a fluidized bed aerobic zone and a fixed bed aerobic zone; wherein the fluidized bed aerobic zone and thefixed bed aerobic zone communicate with each other through a water passing hole formed in the bottom, a fluidized filler and a fixed filler are arranged in the fluidized bed aerobic zone and the fixedbed aerobic zone through grid baskets respectively, and an aeration pipe is arranged at the bottom of the MFBR reaction area; a gas stripping device is arranged in the precipitation separation area,a liquid outlet end of the gas stripping device communicates with the middle reaction area through a return pipe, and the gas stripping device and the aeration pipe provide a gas source through a gaspump. The sewage treatment d