Research progress on low carbonization and performance enhancement of carbon-containing refractories

doi:10.3969/j.issn.1001-1935.2024.06.015

Abstract

Abstract: In the process of clean steel smelting,traditional carbon-containing refractory materials are vulnerable to oxidation and spalling at high temperatures due to their high carbon content,resulting in an increase in the steel carbon content and energy consumption.To address the dual needs of the smelting process and service performance,it is crucial to develop low-carbon refractories with good thermal shock resistance.This paper reviewed the collaborated regulation of low carbonization and performance enhancement of carbon-containing refractories,such as the optimization of carbon sources,the use of additives,and the introduction of composite powders,and finally discussed the problems and future development trends of low carbon refractories.

Key words: low carbon refractories, composite powders, additive, carbon sources

摘要： 在洁净钢冶炼过程中,传统含碳耐火材料因较高的碳含量高温下易氧化剥落使得钢水碳含量增多,使用能耗增大。为同时满足冶炼工艺需求和服役性能要求,发展抗热震性良好的低碳耐火材料具有重要意义。因此,从含碳耐火材料的发展现状出发,介绍了含碳耐火材料低碳化及性能强化的协同调控方法,包括碳源的优化、添加剂的使用以及复合粉体的引入。最后对低碳耐火材料存在的问题以及发展趋势进行探讨。

关键词: 低碳耐火材料, 复合粉体, 添加剂, 碳源

CLC Number:

TQ175

丁宇东, 种小川, 丁冬海, 肖国庆. 含碳耐火材料低碳化及性能强化研究进展[J]. 耐火材料, 2024, 58(6): 543-547.

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