METHANE TANK Russian patent published in 1996 - IPC

FIELD: utilization of sewage of swine-breeding with production of manure gas enriched with methane, feed protein additive and compost. SUBSTANCE: methane tank has air-tight chamber of acid and alkali fermentation and also chamber for synthesis of carbon dioxide. Alkali fermentation chamber has false bottom of nonrigid perforated cloth under which collector of silt water and bottom plate swinging relative to hinge are located. Scraper with hydraulic cylinder is located above false bottom. Hydraulic cylinder also moves bottom plate and, together with it, false bottom relative to the level of silt water to ensure separation of suspended matter and washing of false bottom in blowing it with compressed methane. EFFECT: higher efficiency. 6 dwg