| 摘要 |
PROBLEM TO BE SOLVED: To provide reclaimed brick having performance equal to or better than brick using virgin materials by reclaiming used carbon-containing unfired brick, to increase the recycling quantity of used unfired brick than before, and to reduce the scrap disposal volume.SOLUTION: Reclaimed brick is produced using a carburized material obtained by crushing used carbon-containing unfired brick and firing the crushed brick at oxygen concentration of 5.0-9.0% and a temperature of 800-1,000°C. |
