PLANT FOR CRUSHING OF VEGETABLE IMPURITIES IN WOOL Russian patent published in 2000 - IPC

FIELD: light industry; units and plants for removal of vegetable impurities from wool. SUBSTANCE: cryogenic plant for crushing of vegetable impurities has heat-insulated chamber connected with source of cold gas and with bins for reception and discharge of wool. Chamber accommodates crushing device and conveyer. Bin for wool discharge is connected with source of warm gas. Heat-insulated chamber is provided with pin grate having removable roller located after crushing device, conveyer for discharge of wool and gas impermeable partition installed between pin grate and conveyer for discharge of wool so that its upper end is located not above removable rollers and not below upper level of bin for reception of wool. EFFECT: reduced losses of cold in wool discharge to increase efficiency of plant. 3 cl, 1 dwg