| 摘要 |
A material separator having blades is provided to prevent a perforated plate from being stopped up by raking out some of the crushed materials stuck to or left on the inner side of the perforated plate, toward the lower side by the blades. A material separator(200) having blades is composed of: a rotary drum(250) having the predetermined number of blades installed along a circumference; a rotating and driving unit for turning and driving the rotary drum; a perforated plate(260) positioned at one side of the rotary drum and provided with plural perforated holes of the predetermined size, in order to discharge the dust wind through the perforated holes; and a housing(500) having a suction port(257) facing the rotary drum, an air discharge port(259) communicating with the perforated plate, and a raw material discharge port(270) formed at the lower part. The rotary drum and the perforated plate are disposed in the housing.
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