Method for manufacturing crushed sands from blast furnace water granulated slags
AssigneeNakayama Steel Works, Ltd.
InventorsKatsuji Yamamoto, Yuichiro Iwasaki, Akira Adachi, Toshiro Kawata, Keisuke Nagano, Seiichi Fujita, Mikio Harada
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Abstract
Apparatus and method for manufacturing crushed sands from blast furnace melted slags including maintaining molten blast furnace melted slags out of contact with water while cooling the molten slags to a temperature between 850.degree. C. to 1300.degree. C. and then rapidly cooling the cooled slags with water thereby producing coarse grain hard quality water processed slags.
Claims8
A continuous flow method for manufacturing hard and heavy crushed sands from ferrous blast furnace melted slags comprising the steps of continuously cooling ferrous blast furnace melted slags flowing from a blast furnace by heat exchange with a cooling media to a temperature between 850.degree. C. to 1300.degree. C. while maintaining the ferrous blast furnace melted slags out of direct contact with water and then immediately rapidly further cooling the cooled slags by direct contact with water thereby producing coarse grain hard quality water processed slags.
Dependencies are inferred from the claim text.