DIGESTER INCLUDING SLUDGE RECIRCULATOR WITH GAS SUPPLEMENT

摘要

DBS/KDW/ENV9180 An anaerobic sludge digester including a digester tank and a sludge mixing system for hydraulically mixing the contents of the digester tank and for agitating the surface of the sludge in the digester tank. The mixing system includes a sludge supply assembly and a gas supply assembly for respectively supplying sludge and gas derived from the tank to a common distribution network for discharge back into the tank. The distribution network includes a plurality of distribution pipes and a sequencing mechanism for simultaneously delivering a sludge and gas mixture to the pipes one at a time and in sequence.