| 摘要 |
The present invention relates to an apparatus for separating a foreign substance from a flow material separating a foreign substance having a certain size or more from a flow material. The present invention comprises a cylindrical body forming multiple penetration holes between the inner surface and the outer surface; a cylinder having a cylindrical body installed inside, to have the flow material flowing in through an inlet flow into the cylindrical body and pass the multiple through holes and be discharged through an outlet; a piston having a scratch ring being moved while contacted with the inner surface of the cylindrical body to separate the foreign substances from the inner surface of the cylindrical body and discharge through a foreign substance discharge port when the foreign substances included in the flow material is caught at the entrance of the through holes of the cylindrical body; a piston driver reciprocating the piston in the cylindrical body. |
