Device for screening and collecting anaerobic granular sludge

The utility model discloses a device for screening and collecting anaerobic granular sludge which comprises a device body. A water inlet with an inlet valve is arranged at the upper end of the device body, a water outlet with an outlet valve is arranged at the bottom of the device body, the water inlet is communicated with an outlet pipe of an anaerobic reactor, the inner part of the device body is divided into a plurality of granular sludge recovery unit areas from the top down; each granular sludge recovery unit area is provided with a mud discharge port with a mud valve, and mesh screens are arranged between two adjacent granular sludge recovery unit areas. The device for screening and collecting anaerobic granular sludge disclosed by the utility model can screen grains while effectively recovers granular sludge, has simple structure of the whole device, convenient operation and low energy consumption, can be used for collecting the lost anaerobic granular sludge for a long term, and has high practical val