Black smoke discharge prevention device null from corks smelting smoke

摘要

PURPOSE: To prevent black smoke produced at the time of loading from being discharged from the chimney of a coke oven by providing a plurality of specific means in the coke oven. ;CONSTITUTION: A coke oven includes a soot density meter 5 or a non- combustion detector 9 provided on the chimney 4 of the coke oven, a black smoke kiln no. recording means 7 for recording the kiln no. of a loading kiln 6 as a black smoke kiln no. when a value measured with the soot density meter 5 or the non-combustion detector 9 reaches at least a predetermined value, a verification means 7 for verifying the kiln no. of the loading kiln 6 with the black smoke kiln no., and a fuel control valve opening degree order means for ordering the fuel control valves 10, 11, 12 and 13 of the combustion chamber F of the above-mentioned kiln to be fully opened for a predetermined time and then opened to a predetermined degree of opening when the verification confirms coincidence.;COPYRIGHT: (C)1993,JPO&Japio