C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
307/1
C03B 3/00 (2006.01)
Patent
CA 1154485
Abstract The invention relates to batch feeders for furnaces. Heratofore batch feeders have been complex, expensive to construct, use and maintain and have not ensured a uniform deposition of particulate batch material onto the batch cover in the furnace. The present invention provides a method and apparatus for obtaining a uniform layer of batch material by moving a particulate-containing trough 62 over a desired area. Disposed within the trough 62 is a vibrating agitator 80 comprising a pivotable perforated discharge chamber 94 which is caused to pivot back and forth through the particulate material in the trough 62. The particulate material is forced through the perforations 87 in the agitator 80 and falls, under the influence of gravity, towards the desired area. The size and distribution of the perforations 87, the selection of the open area and depth of the perforations 87 along with the vibration amplitude and frequency of the agitator 80, control the through put of batch material onto the melt area so that when the agitator 80 is motionless, no particulate is deposited within the desired area but when the agitator is actuated an even distribution is effectuated.
368314
Johns-Manville Corporation
Macrae & Co.
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