C - Chemistry – Metallurgy – 10 – B
Patent
C - Chemistry, Metallurgy
10
B
202/36
C10B 5/12 (2006.01) C10B 5/02 (2006.01) C10B 5/14 (2006.01) C10B 21/22 (2006.01)
Patent
CA 1052314
ABSTRACT OF THE DISCLOSURE This invention relates to a coke oven battery which is regeneratively heated with lean gas and which is provided with heating chambers disposed between the ovens. The battery is pro- vided with vertical flues which carry upgoing and downgoing heat- ing flues and the battery is further provided with supply ports with vertically graded exits for lean gas and air disposed in header walls. The header walls comprise air supply means alter- nating along the row of heating flues and having lean gas supply means. In accordance with the invention, the cross-section of the exit ports are graded so that they increase upwardly in the case of air exits and downwardly in the case of lean gas exits. The grading is provided to such a degree that the amount of air supplied to the sole of the heating flues and to their lower parts is insufficient for complete combustion of the amount of gas supplied thereto, while complete combustion of the lean gas is insured for the smoke gas discharged from the heating flues.
228057
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