Courtyard type aerobic bio-membrane reactor

The utility model discloses a courtyard type aerobic bio-membrane reactor which comprises an inner cylinder and an outer cylinder which are vertically sleeved, an annular sedimentation cavity is formed between the inner cylinder and the outer cylinder, and an aerobic cavity is formed in the inner cylinder; a water inlet pipe communicated with the aerobic cavity and an overflow pipe communicated with the precipitation cavity are arranged at the upper part of the outer barrel; a water passing hole is formed in the bottom of the inner barrel; a braid type biological filler is arranged in the aerobic cavity, an aerobic aeration assembly is arranged at the bottom of the braid type biological filler, the two ends of the braid type biological filler are fixed to an upper filler support and a lower filler support respectively, the lower filler support is fixed to the inner cylinder, and the upper filler support can float up and down and is connected with the inner cylinder in a locked mode. The overflow pipe is conne