Anaerobic granular sludge screening collector

The invention relates to an anaerobic granular sludge screening collector which comprises a body, wherein the upper end of the main body is provided with a water inlet and a water outlet, the water inlet is provided with an inlet valve, the bottom of the water outlet is provided with an outlet valve, the water inlet is communicated with a water discharging pipe of an anaerobic reactor, the interior of the body is divided into a plurality of granular sludge recycling units from the top down, each granular sludge recycling unit is provided with a dredging opening with a dredging valve, and a screen is arranged between the adjacent two granular sludge recycling units. The anaerobic granular sludge screening collector disclosed by the invention can realize granule screening when effectively recycling granular sludge, and has the advantages of simple structure, convenience in use, low energy consumption, capability of being applied to long-term collection of lost anaerobic granular sludge, and high practical value