Title:
MANUFACTURING METHOD OF HIGH-STRENGTH COKE
Document Type and Number:
Japanese Patent JP2008069258
Kind Code:
A
Abstract:
To provide a manufacturing method of high-strength coke that enables the manufacture of high-strength coke at a low cost even when coal of low quality is used.
The manufacturing method of high-strength coke comprises dry-distilling a blended coal, where blending conditions of the blended coal are decided based on the pore-growing parameter R, which is a ratio of the pressure P to the viscosity of a softening and melting layer of coal in the heating process, represented by formula (2): R=P/ (2). In the formula, R is the pore-growing parameter [1/s]; P is the pressure [Pa] in the softening and melting layer of coal; and is the viscosity [Pa s] of the softening and melting layer of coal.
Inventors:
FUKADA KIYOSHI
SHIMOYAMA IZUMI
ANYASHIKI TAKASHI
FUJIMOTO HIDEKAZU
YAMAMOTO TETSUYA
SUMI HIROYUKI
SHIMOYAMA IZUMI
ANYASHIKI TAKASHI
FUJIMOTO HIDEKAZU
YAMAMOTO TETSUYA
SUMI HIROYUKI
Application Number:
JP2006248956A
Publication Date:
March 27, 2008
Filing Date:
September 14, 2006
Export Citation:
Assignee:
JFE STEEL KK
International Classes:
C10B57/04
Domestic Patent References:
| JP2004204089A | 2004-07-22 |
Attorney, Agent or Firm:
Junzo Ogawa
Morio Nakamura
Morio Nakamura