Title:
RECYCLING METHOD FOR MAGNESIA CARBON BRICKS
Document Type and Number:
WIPO Patent Application WO/2023/026802
Kind Code:
A1
Abstract:
The present invention improves the corrosion resistance of a refractory of a used magnesia carbon brick when the used magnesia carbon brick is reused as a refractory raw material. For this purpose, a magnesia carbon brick recycling method is provided in which, after a used magnesia carbon brick containing an aluminum-containing substance has been brought into contact with water, a dehydrating process is carried out on the brick, and the used magnesia carbon brick on which the dehydrating process has been carried out is crushed and reused as a refractory raw material.
Inventors:
NAKAMURA YOSHIYUKI (JP)
Application Number:
PCT/JP2022/029760
Publication Date:
March 02, 2023
Filing Date:
August 03, 2022
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
C04B35/043; B09B3/30; B09B3/40
Foreign References:
| JPH107453A | 1998-01-13 | |||
| US6284689B1 | 2001-09-04 | |||
| JP2013126927A | 2013-06-27 | |||
| JP2010012403A | 2010-01-21 | |||
| JPH08299835A | 1996-11-19 | |||
| CN107176845A | 2017-09-19 | |||
| JP2010012403A | 2010-01-21 | |||
| JP2014051428A | 2014-03-20 | |||
| JP2004149330A | 2004-05-27 | |||
| JPH107453A | 1998-01-13 |
Attorney, Agent or Firm:
ITOH Hideaki et al. (JP)
Download PDF: