Title:
PRODUCTION OF BRIQUETTE
Document Type and Number:
Japanese Patent JPS63137994
Kind Code:
A
Abstract:
PURPOSE: To obtain a briquette at low cost, having adequate breaking strength even from low-grade coal, by molding a blend of coal powder, lime and cement followed by air-drying.
CONSTITUTION: Coal powder made by grinding esp. low-grade coal is incorporated with lime as the sulfur-setting agent and pref. ca. 5W15wt% of cement as the binder to prepare mixed raw powder with the water content of said coal powder regulated pref. to 15W30wt%. Thence,, this mixed raw powder is molded into a briquette form through tablet press or extrusion press process followed by air-drying, thus obtaining the objective briquette.
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Inventors:
KANEKIYO KATSUMASA
Application Number:
JP28492886A
Publication Date:
June 09, 1988
Filing Date:
November 29, 1986
Export Citation:
Assignee:
KANEKIYO KATSUMASA
International Classes:
C10L5/12; C10L9/10; (IPC1-7): C10L5/12; C10L9/10
Domestic Patent References:
| JPS57135893A | 1982-08-21 | |||
| JPS6291596A | 1987-04-27 |
Attorney, Agent or Firm:
Hirai Shin