Title:
METHOD FOR MANUFACTURING COAL BRIQUETTES, AND APPARATUS FOR MANUFACTURING SAID COAL BRIQUETTES
Document Type and Number:
WIPO Patent Application WO/2014/104631
Kind Code:
A1
Abstract:
Provided are coal briquettes having superior heat strength and a method for manufacturing same. The method for manufacturing the coal briquettes comprises the steps of: i) providing powdered coal; ii) providing graphite for restraining the degradation of the coal briquettes at a high temperature; iii) providing a curing agent and a binder; iv) mixing the powdered coal, graphite, curing agent and binder so as to provide a mixture; and v) forming the mixture so as to provide a coal briquette. In the step of providing the mixture, the ratio of the amount of graphite to the total amount of the powdered coal and the graphite is greater than 0 and less than or equal to 0.3.
Inventors:
HEO NAM-HWAN (KR)
CHOI JAE-HOON (KR)
CHOI JAE-HOON (KR)
Application Number:
PCT/KR2013/011666
Publication Date:
July 03, 2014
Filing Date:
December 16, 2013
Export Citation:
Assignee:
POSCO (KR)
International Classes:
C10L5/10; C21B13/00
Foreign References:
JP4130826B2 | 2008-08-06 | |||
KR850000895B1 | 1985-06-26 | |||
KR20050077103A | 2005-08-01 | |||
KR20010067725A | 2001-07-13 |
Other References:
See also references of EP 2940107A4
None
None
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (Gangnam-gu, Seoul 135-912, KR)
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