METHANE BIOCULTIVATOR Russian patent published in 1997 - IPC

FIELD: waste disposal. SUBSTANCE: invention relates to utilization of vital activity products of cattle and fowl by way of cultivating anaerobic microorganisms degrading cellulose- containing materials and thereby producing biomethane for needs of farmer economies being at long distance from heat and power supply lines and sewerage systems. Methane biocultivator has casing separated by vertical partitions into acid, neutral, alkali, and methane fermentation chambers. Casing accommodates stirrer including drive shaft with blades. Before the acid fermentation chamber, defibration apparatus is installed constituting horizontal cylindrical case with perforated disk in middle part of bottom to communicate with acid fermentation chamber space, shaft with drive and blades mounted on shaft, and grainy abrasive immobilization filler with density lower than that of substrate. Casing communicates with charge and discharge means. EFFECT: improved design. 1 dwg