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Title:
METHOD FOR COOLING STAINLESS STEEL SLAG
Document Type and Number:
Japanese Patent JP2013234098
Kind Code:
A
Abstract:

To avoid granulation caused by a water granulation treatment or an air granulation treatment, and to prevent powdering without adding a boron compound, when cooling stainless steel slag.

In a method for cooling stainless steel slag, the stainless steel slag is cooled without using a water granulation treatment or an air granulation treatment. In the method for cooling stainless steel slag, when the content of Al2O3 in the stainless steel slag is expressed as X (unit: mass%), cooling is performed at the cooling speed Y (unit: °C/min) satisfying the following formula (i): Y≥-154.5X+2988 (i).


Inventors:
INOUE YOTARO
DEN KEITA
TOFUSA HIROYUKI
Application Number:
JP2012108425A
Publication Date:
November 21, 2013
Filing Date:
May 10, 2012
Export Citation:
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Assignee:
JFE STEEL CORP
International Classes:
C04B5/00; C21C5/28; C21C5/54; C21C7/00; F27D15/02
Domestic Patent References:
JPS5645789A1981-04-25
JP2004315296A2004-11-11
JP2002053351A2002-02-19
JPS5645789A1981-04-25
Attorney, Agent or Firm:
Nozomi Watanabe
Haruko Sanwa