Title:
PREPARATION METHOD FOR COAL OR BINDING MATERIAL, AND MANUFACTURING METHOD FOR COKE
Document Type and Number:
WIPO Patent Application WO/2022/039044
Kind Code:
A1
Abstract:
Provided is a preparation method for coal or a binding material to be used alone or in combination with another coal as a coke manufacturing starting material, wherein prior to delivery of said coal or binding material to a coke plant, the granularity thereof is adjusted such that particles having a size of 6 mm or larger constitute no more than 30 mass% of coal or binding material satisfying at least one of the following criteria: the degree of entangling (a-b)/a, which is represented by the height b at the inner wall of a container of semi-coke formed in the container by rotating a stirring element while heating the coal or binding material housed in the container and the height a of semi-coke adhered to the stirring element, is 0.20 or higher; and the height a is 30 mm or higher.
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Inventors:
AKISHIKA ISSUI (JP)
DOHI YUSUKE (JP)
IGAWA DAISUKE (JP)
DOHI YUSUKE (JP)
IGAWA DAISUKE (JP)
Application Number:
PCT/JP2021/029201
Publication Date:
February 24, 2022
Filing Date:
August 05, 2021
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
C10B57/04; G01N11/14; G01N33/22
Domestic Patent References:
| WO2013128866A1 | 2013-09-06 | |||
| WO2020189294A1 | 2020-09-24 |
Foreign References:
| JP2012072388A | 2012-04-12 | |||
| JP2001323281A | 2001-11-22 |
Attorney, Agent or Firm:
KUMASAKA Akira et al. (JP)
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