| 摘要 |
Metal treatment. Plant comprising a vessel 1, a hopper 15, means 26 for removing the components, characterised in that the hopper 15 opens into a rotary drum 3 comprising on its side surface small blades 28 for propelling the components to be treated, during a determined angular path, the said drum 3 having passing through it a tubular member 11 connected to the delivery of a pump 12 and comprising holes 29 for creating agitation in a zone where the components escape from the small blades 28 to fall towards the lowest point of the drum 3. <IMAGE>
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