C - Chemistry – Metallurgy – 10 – B
Patent
C - Chemistry, Metallurgy
10
B
202/48
C10B 31/04 (2006.01) B65D 90/60 (2006.01) B65G 47/20 (2006.01)
Patent
CA 1145705
ABSTRACT OF THE DISCLOSURE On a horizontal coke oven battery larry car, a sliding gate control is mounted below each of the funnel-shaped bottoms of the coal hoppers but above the drop sleeve assembly. The sliding gate control is characterized by a horizontal plate con- taining a plurality of circular apertures, each of a different diameter, in addition to a solid portion of the plate sufficient in area to curtail flow from the exit orifice of the coal hoppers. Each of the circular apertures is sized, in relation to the flow characteristics of varying coal consistencies, such that when coal of any usable consistency is contained in a coal hopper, the aperture related to that coal consistency is centered beneath the exit orifice of that coal hopper causing the coal to flow into the drop sleeve at a rate which is within a predetermined allowable range of flow rates.
308725
Borden Ladner Gervais Llp
Koppers Company Inc.
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