Method for removing scale dust from steel rod after mechanical descaling
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United States of America Patent
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-
Jul 24, 1984
Issued Date -
N/A
app pub date -
Mar 2, 1983
filing date -
Mar 9, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Iron oxide scale particles are removed from the surface of a mechanically descaled steel strand using jets of compressed air. The strand is moved along a central axis of a housing in continuous fashion through an upstream entrance opening, an entrance nozzle region, a central chamber region, an exit nozzle region and a downstream exit opening. Compressed air jets are directed into both the entrance and exit nozzle regions toward the central chamber region creating a venturi effect which draws air through the entrance and exit openings; thereby preventing dislodged scale particles from escaping into the atmosphere.
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