BIOGAS INSTALLATION Russian patent published in 1998 - IPC

FIELD: waste disposal. SUBSTANCE: invention relates to utilizing fowl dung at poultry factories with fowl cage condition. Installation includes dung collector communicating through disperser with bioreactor containing acid, neutral, alkaline, and methane fermentation chambers provided with connecting pipes and interconnected through dispersers. Methane fermentation chamber is connected through biogas path to gas collector and through clarified brew path to dung collector. Outside bioreactor, solid-phase fermenter is disposed embracing bioreactor and provided with perforated channels connected to air pumps. Solid-phase fermenter comprises vertical chambers positioned on the two sides of bioreactor with connecting pipe to supply partially fermented product from methane fermentation chamber located in the upper part and flap hatches hinged from above in the lower part of fermenter, which are connected through conveyor with briquetting press. EFFECT: enhanced efficiency of process. 2 dwg