METHANE TANK Russian patent published in 2000 - IPC

FIELD: agriculture, in particular, equipment for fermentation of organic wastes. SUBSTANCE: methane tank is made in the form of reservoir with side wall, conical or pyramidal bottom and dome, partition wall attached to dome for dividing reservoir into outer and inner chambers. Reservoir shape in plan may be round, oval, square, rectangular, or polygonal. Partition wall is configured in plan in accordance with reservoir and does not reach reservoir bottom, which has size smaller than that of partition wall. Methane tank is provided with branch pipes for supplying wastes, for discharge of fermented sediment, and branch pipes for discharging biogas from reservoir outer and inner chambers. EFFECT: increased efficiency by uninterrupted fermentation process providing reliable high-extent fermentation, and simplified construction. 2 cl, 8 dwg