EQUIPMENT FOR PROCESSING BITUMEN-CONTAINING PISTON WASTES Russian patent published in 2019 - IPC B03B9/02 C10C3/10 B09B3/00 

FIELD: waste processing and disposal.

SUBSTANCE: invention relates to equipment for processing bitumen-containing wastes, in particular old roll roofing materials based on cardboard impregnation, glass fabric, other woven and/or nonwoven materials with bitumen-containing compositions removed from roofs during their repair to obtain a liquid bitumen product. Piston assembly comprises: a melting chamber, a perforated cylinder, a piston, a piston skirt, a piston control mechanism (PCM), a gate valve control mechanism, a gate valve, a hydraulic gate valve, reactor, combustion chamber, gas burners, bitumen drainage chamber casing, bitumen collection tank, drain pipe, air duct, melting chamber jacket, loading opening with funnel, exhaust ventilation hood, air pump, gas valve, gas cylinder, gas duct, spiral gas duct (pyrolysis gas enrichment system), cyclone air filter, tank for ash collection (ash pit), heat insulation, exhaust pipe, fan, condenser, water collecting tank, belt screw, belt auger control mechanism, electric motor.

EFFECT: high efficiency of the process – high efficiency, improved quality of the obtained products, reduced harmful effect on the environment, reduced cost of the apparatus.

1 cl, 1 dwg