Title:
GRANULAR SOLIDIFIED SLAG MANUFACTURING METHOD AND MANUFACTURING FACILITY
Document Type and Number:
WIPO Patent Application WO/2022/270480
Kind Code:
A1
Abstract:
Provided is a granular solidified slag manufacturing method with which a granular solidified slag having a grain size distribution which falls within a standard grain size range of steel slag for roads can be easily manufactured. This granular solidified slag manufacturing method comprises: a step for supplying a granular solid material S1 and a molten slag S2 into a mold; a step for solidifying the molten slag S2 together with the granular solid material S1 in the mold 10 to obtain a plate-like solidified slag S comprising a solidified region formed of the molten slag S2 that has solidified and the granular solid material S1 and having a thickness of 30-50 mm; a step for removing the plate-like solidified slag S from the mold 10; and a step for loading the plate-like solidified slag S into a rotating cylindrical container of a rotating device 40 which comprises the cylindrical container, and then rotating the cylindrical container so as to crush the plate-like solidified slag S, thereby obtaining a granular solidified slag Sg.
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Inventors:
TA YASUTAKA (JP)
SHIGAKI NOBUYUKI (JP)
MATSUNAGA HISAHIRO (JP)
SHIGAKI NOBUYUKI (JP)
MATSUNAGA HISAHIRO (JP)
Application Number:
PCT/JP2022/024604
Publication Date:
December 29, 2022
Filing Date:
June 20, 2022
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
C04B5/00
Foreign References:
| JP2017114736A | 2017-06-29 | |||
| JPS58221378A | 1983-12-23 | |||
| JPS58221379A | 1983-12-23 | |||
| JPS5217388A | 1977-02-09 | |||
| JP2000143302A | 2000-05-23 | |||
| JP2016047782A | 2016-04-07 | |||
| JP2021116213A | 2021-08-10 |
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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