Method for Recycling-Processing of Dust Generated in Converter Furnace
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United States of America Patent
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Jun 30, 2016
app pub date -
Aug 7, 2014
filing date -
Aug 7, 2014
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To provide a method for recycling processing of dust generated in a converter furnace for collecting the dust at a low cost in a short time and returning it as a metallic iron resource to the converter process. In a method for recycling processing of dust generated in a converter furnace, including: crushing and drying a cake formed by adding a binder to a slurry containing iron powder-containing dust that is generated at the time of converter blowing and wet-collected to produce a mixed slurry and subjecting the produced mixed slurry to a dehydration treatment in a filter press; accumulating the cake in an accumulation tank; and charging the cake into a converter furnace, the crushed product in the accumulation tank is kept at a temperature of less than 90° C. by forcibly passing air into the accumulation tank and charged into a converter furnace according to the converter operation.
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