FIELD: rolled strip products manufacture. SUBSTANCE: apparatus has working chamber filled with abrasive powder and provided with strip inlet and outlet openings, at least two powder compaction mechanisms, each having opposite blades positioned at both sides of strip drawing plane. Blades are provided with biasing devices. Electromagnets with U-shaped magnetic cores are positioned at rear side of blades. Electromagnetic gates are positioned behind powder compaction mechanism. Electromagnetic gates have W-shaped magnetic cores. Apparatus is further provided with mechanism for drawing strip through working chamber. Adjacent poles of powder compaction mechanism and magnetic gate electromagnets positioned at one side of strip drawing plane along direction of motion have similar polarity. EFFECT: increased efficiency in removal of scale from strips upon hot rolling, wider operational capabilities and improved quality of strips. 2 dwg
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