LINE FOR REPROCESSING OF BIRD DUNG TO PRODUCE FERTILIZER Russian patent published in 1997 - IPC

FIELD: agriculture, in particular, reprocessing of bird dung to obtain organic fertilizer. SUBSTANCE: line has bird dung collector, centrifuge for mechanical dehydration of bird dung, sewage accumulator, static gravitational dehydrator, mineral additive mixer-doser, sterilizer-grinder, pelletizer and device for delivery of ready product for packaging. All mentioned parts of line are positioned successively in accordance with technological process and connected one with another by kinematic and mechanical devices for conveyance of basic material between these line parts. Centrifuge and static gravitational dehydrator are connected with sewage accumulator through liquid fraction discharge pipeline. Biological methanoic acid fermentation reactor of closed type is connected to sewage accumulator through submergible pump. EFFECT: increased efficiency, wider operational capabilities and improved quality of organic fertilizer. 1 dwg