| 摘要 |
PROBLEM TO BE SOLVED: To provide an under-screen air chamber type wet specific gravity sorter capable of securing given sorting efficiency even at a portion adjacent to the inner wall face of a sorting chamber. SOLUTION: The under-screen air chamber type wet specific gravity sorter 10 is provided with the sorting chamber 12 for receiving a sorting object substance, a pulsing chamber 14 located under the sorting chamber, a mesh located between the sorting chamber and pulsing chamber, and a plurality of protrusions 22 regularly arranged on the inner wall of the sorting chamber. The protrusions are preferably formed into a shape corresponding to the shape of the sorting object substance. Each protrusion is preferably formed to have a dimension of 1/4-3/4 of a radius of a ragging material disposed on the mesh. COPYRIGHT: (C)2009,JPO&INPIT
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