TREATMENT APPARATUS FOR METAL POLLUTED SOIL

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PROBLEM TO BE SOLVED : To provide a treatment apparatus for metal polluted soil capable of separating a mixture of metal pieces or the like from a large amount of soil containing the mixture. SOLUTION : The treatment apparatus for metal polluted soil is constituted so as to recover metal pieces from the soil mixed with the metal pieces and equipped with at least two spirally formed pipelines 4 for receiving the soil mixed with the metal pieces, a hopper 5 provided on the inlet side of the pipeline 4, an air jet nozzle 7 provided to the lower side pipe of the pipeline 4, a crusher 3 having the compressed air supply source 9 connected to the air jet nozzle 7 and a classifier 11 provided on the outlet side of the pipeline 4 to classify the metal pieces and earth and sand. COPYRIGHT : (C)2006, JPO&NCIPI