Title:
METHOD FOR PRODUCING GRANULAR SOLIDIFIED SLAG, AND PRODUCTION FACILITY LINE FOR SAME
Document Type and Number:
WIPO Patent Application WO/2022/270516
Kind Code:
A1
Abstract:
Provided are a method for producing granular solidified slag, whereby slag processing such as heat recovery processing, steam aging processing, and carbonization processing of solidified slag can be efficiently performed, and a production facility line for granular solidified slag. The present invention is characterized by including a mixed solidified material manufacturing step for feeding molten slag S2 and solids S1, M into a mold 1 and causing solidification of the molten slag S2 to progress in a state in which gaps between the solids S1, M are filled by the molten slag S2 in the mold 1 to manufacture a solid/liquid mixed solidified material S, a slag crushing step for crushing the mixed solidified material S into granules to manufacture a mixed crushed material Sg, and a separation step for separating the mixed crushed material Sg in accordance with grain size or material properties into a plurality of mixed crushed material groups to obtain granular solidified slag.
Inventors:
SHIGAKI NOBUYUKI (JP)
HIYOSHI MAHOKO (JP)
TA YASUTAKA (JP)
NAKAMURA YOSHIYUKI (JP)
HOSHINO TAKERU (JP)
HIYOSHI MAHOKO (JP)
TA YASUTAKA (JP)
NAKAMURA YOSHIYUKI (JP)
HOSHINO TAKERU (JP)
Application Number:
PCT/JP2022/024777
Publication Date:
December 29, 2022
Filing Date:
June 21, 2022
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
C21B3/08; C04B5/00; C21C5/28; F27D17/00
Foreign References:
| JPS5932300U | 1984-02-28 | |||
| JPS57187588A | 1982-11-18 | |||
| JPS55122816A | 1980-09-20 | |||
| JP2013177291A | 2013-09-09 | |||
| JP2019184122A | 2019-10-24 | |||
| JPS59174551A | 1984-10-03 | |||
| JP2014505004A | 2014-02-27 | |||
| JP2021116213A | 2021-08-10 |
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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