Patent ID: 7341647
Filing Date: 2008-03-11
Classification: C10B

Abstract:
1. A coke oven door to promote temperature rise in a vicinity thereof, comprising: a heat-insulating box provided on an inner side of an oven door structure adapted to open and close a door jamb in the coke oven charged with coal particles via a seal plate pressed against said door jamb; horizontal support frames fitted to a coking chamber side of the heat-insulating box and spaced apart with spaces therebetween to partition a height of said heat-insulating box into multiple sections; and a bottom-less gas migration and isolation chamber formed by shield bars arranged laterally and vertically to span the spaces between said horizontal support frames and so arranged with ventilating spaces being present between laterally adjacent ones of said shield bars, said ventilating spaces being sufficiently small to prevent passage of coal particles, an upper end of each of the shield bars being pivotally fastened to said horizontal support frames.