DOMESTIC APPARATUS FOR METHANE FERMENTATION Russian patent published in 1997 - IPC

FIELD: anaerobic processing of manure, dung, feces, carbon-containing solid wastes; production of sewage gas for heating, food preparation, water heating in cottages, country cottages and farms. SUBSTANCE: apparatus has body separated into chambers for acid, neutral, alkali and methane fermentation by partitions with ports to pass substrate. Mixing members are attached to driven shafts. Installed concentrically to driven shafts are posts with shells arranged to form circulating gaps between them. Accommodating in chamber of acid fermentation is sprayer vessel with perforated bottom, driven shaft and crushing members. Loading device has sealing cover and hydraulic seal located in sprayer vessel. EFFECT: higher efficiency. 2 dwg