Anaerobic fluidized bed reaction device for sludge treatment and treatment process thereof

The invention discloses an anaerobic fluidized bed reaction device for sludge disposal, which comprises an anaerobic jar, a base is arranged at the bottom of the anaerobic jar, a plurality of foundation bolts arranged at equal intervals are arranged close to the outer ring of the upper and lower ends penetrating through the base, and a water inlet pipe is arranged close to the bottom end of a jar body penetrating through one side of the anaerobic jar. A sludge discharge blow-down pipe is mounted at the front end of the water inlet pipe in a penetrating manner, an air inlet pipe is mounted at the position, below the water inlet pipe, of the tank body on one side of the anaerobic tank, an access hole is formed in the position, close to the bottom end, of the tank body on the other side of the anaerobic tank, and a water outlet pipe is mounted at the position, close to the top end, of the tank body on the other side of the anaerobic tank; a top sealing cover is mounted at the top of the anaerobic tank; according