Grinding wastewater MBR system device

The utility model relates to the technical field of wastewater treatment, in particular to a grinding wastewater MBR (Membrane Biological Reactor) system device, which meets high-flux filtration, provides aeration to reduce membrane surface pollution, and has the functions of protecting a ventilation pipeline and improving reliability. Comprising a base, a grinding wastewater treatment box, a membrane plate mounting frame, an MBR flat membrane, an aeration head, an air pipe, a platform, a pipe restraint frame, a rotary fan and a one-way valve, the right side of the top end of the base is connected with the bottom end of the grinding wastewater treatment box, the membrane plate mounting frame is connected to the middle side in the grinding wastewater treatment box, and the MBR flat membrane is detachably mounted in the membrane plate mounting frame; the middle part of the top end of the base is connected with the bottom end of the rotary fan, the rotary fan outputs a single air pipe, the left upper end of the