MOLDING SAND RECLAMATION METHOD AND RECLAMATION SYSTEM
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United States of America Patent
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Oct 4, 2018
app pub date -
Aug 3, 2016
filing date -
Aug 3, 2016
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Abstract
A molding sand reclamation method and reclamation system effectively separates magnetically attracted matter from molding sand. The molding sand reclamation method includes removing metal powder and metal pieces by magnetic separation with a first magnetic flux density and removing magnetically attracted matter by magnetic separation with a second magnetic flux density higher than the first magnetic flux density from molding sand separated from a casting by shot blasting, and removing by dry mechanical reclamation, from the molding sand, substances including carbonized matter adhered to the surface of the molding sand.
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