Title:
METHOD FOR OPERATING ROTARY KILN AND METHOD FOR REFINING FERRONICKEL
Document Type and Number:
Japanese Patent JP2023081117
Kind Code:
A
Abstract:
To reduce a coal consumption while maintaining the progress of necessary and sufficient reduction of a material to be calcined in a furnace in a rotary kiln operation capable of subjecting a raw material ore to not only drying but also reducing in the furnace to reduce fuel cost.SOLUTION: A method for operating a rotary kiln capable of subjecting a raw material ore to drying and reducing by the combustion heat of coal comprises substituting some or all of coal inserted into the rotary kiln 1 with a waste tire crushed material consisting of a crushed waste tire.SELECTED DRAWING: Figure 1
Inventors:
KOMORI SHINTARO
Application Number:
JP2021194825A
Publication Date:
June 09, 2023
Filing Date:
November 30, 2021
Export Citation:
Assignee:
HYUGA SMELTING
International Classes:
C22B5/10; C22B23/00; C22B23/02; C22C33/04
Attorney, Agent or Firm:
Masayuki Shobayashi
Kazuyoshi Hayashi
Kazuyoshi Hayashi