| 摘要 |
A swirl type foreign material removing machine is formed of a casing having an end wall, a smooth side wall connected to the end wall and extending from the end wall, a first outlet formed at a side away from the end wall, an inlet formed in the side wall at a side away from the first outlet, and a second outlet formed in a center of the end wall. A raw material supply path is tangentially connected to the casing through the inlet, and a device for adjusting an opening rate of the inlet is formed in the side wall. An amount of the raw material ejected into the casing is adjusted by the adjusting device, so that the foreign materials are effectively removed from the first outlet.
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