Anaerobic catalytic reactor

The utility model provides an anaerobic catalytic reactor and belongs to the technical field of sewage treatment. The anaerobic catalytic reactor comprises a tank body, the water distribution pipeline is fixed at the inner bottom of the tank body; the granular sludge bulking bed is fixed in the middle of the tank body; the bracket is fixed at the top of the tank body, a gap is formed between the bracket and the top wall of the tank body, and a water outlet groove is formed along the inner ring of the bracket; the three-phase separator is mounted on the bracket, and the three-phase separator is positioned below the water outlet tank; one end of the return pipe is connected to the bottom of the water outlet tank, the other end of the return pipe is connected to the side wall of the tank body and is lower than the lower side of the granular sludge bulking bed, and a water outlet is formed in the return pipe; and the air outlet pipe is connected to the top of the tank body. 本实用新型提供了一种厌氧催化反应器，属于污水处理技术领域。一种厌氧催化反应器，