Title:
COAL CRUSHING SYSTEM
Document Type and Number:
Japanese Patent JP2021105464
Kind Code:
A
Abstract:
To provide a coal crushing system capable of reducing a risk of spontaneous ignition of coal such as low grade coal.SOLUTION: The coal crushing system comprises: a mill that comprises a gas feed port for hot gas and a gas discharge port for exhaust, and crushes coal; an air heating furnace that generates and feeds hot gas to the gas feed port of the mill; a hot gas line that connects the gas feed port of the mill and the air heating furnace; a circulation line that connects the gas discharge port of the mill and the hot gas line; and an exhaust return line that is branched from the circulation line with its downstream end connected to the air heating furnace, and feeds the exhaust of the mill into the air heating furnace.SELECTED DRAWING: Figure 1
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Inventors:
ANDO FUMINORI
HOTTA SHIGERU
YOSHINAGA AKIHIRO
SUZUE BUMPEI
KAWASAKI KEI
TANAKA HIROMASA
HOTTA SHIGERU
YOSHINAGA AKIHIRO
SUZUE BUMPEI
KAWASAKI KEI
TANAKA HIROMASA
Application Number:
JP2019236017A
Publication Date:
July 26, 2021
Filing Date:
December 26, 2019
Export Citation:
Assignee:
KAWASAKI HEAVY IND LTD
International Classes:
F23K3/02; B02C21/00; B02C23/34
Attorney, Agent or Firm:
Patent business corporation Yuko patent office