| 摘要 |
An apparatus and method for feeding powderized raw material, such as aluminum oxide, into an aluminum producing electrolysis reaction, in which the electrolysis is produced by an anode and cathode apparatus and a powderized raw material is conveyed from a silo or equivalent to a feeding apparatus and then into an electrolyte melt. The feeding apparatus has a controlling box for controlling the raw material feeding and a feeding pipe connected thereto. The feeding apparatus has a feeding device arranged to operate within the box and connected through a piston shaft to a vibrator. The vibrator produces a substantially vertical vibration of the feeding device. An open lower end of the controlling box is positioned in the vicinity of the surface of the electrolyte melt so that the controlling box operates within the electrolyte crust.
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