C - Chemistry – Metallurgy – 10 – B
Patent
C - Chemistry, Metallurgy
10
B
202/32
C10B 5/00 (2006.01) C10B 27/00 (2006.01)
Patent
CA 1091183
ABSTRACT OF THE DISCLOSURE A battery of horizontal coke ovens which are connected to two gas collecting mains extending alongside the battery, and to a method of operating such a battery of horizontal coke ovens. There are several advantages to preheating coal for coking before the same is charged into the ovens. For example, there are various kinds of coal which do not yield sufficiently firm coke on degassing, but which do provide coke of higher quality if they are charged after preheating. However, charging preheated coal into ovens causes problems because the resulting gas contains substantial quantities of dust during charging, as well as con- taining dust thereafter. Dust remaining in the gas impedes the further processing thereof. The present invention proposes to eliminate the nuisance of dust contained in the gases drawn off, resulting in trouble-free operation of the battery of coke ovens. According to the present invention, one of the mains extending alongside the battery of horizontal coke ovens has means for sprinkling with an aqueous liquid which enables gas drawn from the ovens to be cooled to a temperature of approximately 100°C. A second gas-collecting main is provided with indirect heating at which no gas constituents are separated from the gas which is drawn into the gas collecting main. In the method according to this invention, a fan incorporated into the second gas collecting main maintains a gas velocity which is such as to prevent the settlement of dust contained in the gas.
274250
Dr. C. Otto & Comp. Gesellschaft Mit Beschrankter Haftung
Swabey Ogilvy Renault
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