Method for recycling-processing of dust generated in converter furnace, and method for manufacturing steel
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United States of America Patent
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Dec 18, 2018
Grant Date -
Feb 23, 2017
app pub date -
Nov 9, 2016
filing date -
Aug 12, 2013
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Abstract
A method for recycling processing of dust generated in a converter furnace, includes: 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 10, the crushed product in the accumulation tank 25 is kept at a temperature of less than 90° C. by forcibly passing air into the accumulation tank 25 and charged into a converter furnace according to the converter operation.
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