PLANT FOR DUST-FREE SUPPLY OF COKE FROM COKE-OVEN BATTERY Russian patent published in 2002 - IPC

FIELD: equipment of by-product coke industry. SUBSTANCE: plant includes door-extracting machine with dust-removing hood whose inside accommodates casing closed from atop and installed with through in height flat clearance relative to walls of dust-removing hood and connected by means of connecting branch pipe to collector for withdrawal of dust-gas mixture. Collector is stationary installed on supports along front of coke-oven battery. Lower edges of dust-removing hood are located below lower edges of casing with formed additional clearance between said edges and communicated with through in height slot clearance. In this case, value of opening of additional clearance is equal to or large than value of opening of through in height slot clearance relative to walls of dust-removing hood. EFFECT: prevention of ejection of dust-gas mixture from under dust-removing hood by improvement of conditions of mixture localization; provision of environment control at by-product coke enterprises. 2 dwg