C - Chemistry – Metallurgy – 10 – B
Patent
C - Chemistry, Metallurgy
10
B
202/46
C10B 41/08 (2006.01) G01N 21/35 (2006.01)
Patent
CA 1202595
COKE OVEN EMISSION CONTROL METHOD AND APPARATUS Abstract of the Disclosure A substantially closed shed cooperates with the coke discharge end of a coke oven battery to enclose the quench car tracks and coke guide tracks along the entire length of the battery and extends to the quenching tower for confining both the large volume of particulate and gaseous emissions released during pushing of coke and the substantially smaller volume of fugitive emissions escaping around the oven doors substantially throughout the coking operation. A first exhaust conduit extends along and opens into the top of the gabled roof of the coke shed along sub- stantially its full length, and a plurality of offtake conduits provide fluid communication from the first exhaust duct at spaced intervals along its length with a main exhaust duct. Dampers in the duct system are operable to provide differential evacuation zones along the length of the shed to maximize evacuation in the area of pushing and thereby reduce the total power requirements necessary to adequately evacuate pushing emissions from the enclosed shed, and to reduce the total volume of air exhausted and consequently the power required when the ovens are not being pushed.
401719
Cairns Donald F.
Metzger Daniel J.
Johnson & Hicks
National Steel Corporation
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