CO歧化反应的控制因素及对耐火材料的影响

doi:10.3969/j.issn.1001-1935.2023.05.017

耐火材料 ›› 2023, Vol. 57 ›› Issue (5): 452-456.DOI: 10.3969/j.issn.1001-1935.2023.05.017

CO歧化反应的控制因素及对耐火材料的影响

丰义航, 刘国齐, 李红霞, 秦红彬, 杨文刚

中钢集团洛阳耐火材料研究院有限公司先进耐火材料国家重点实验室河南洛阳 471039

收稿日期:2023-06-12 出版日期:2023-10-15 发布日期:2023-10-26
通讯作者: 李红霞,女,1965年生,博士,正高级工程师。E-mail:lihongx0622@126.com
作者简介:丰义航:男,1999年生,硕士研究生。E-mail:1795967374@qq.com
基金资助:
国家重点研发计划(2021YFB3701404);国家自然科学基金(51932008);中原科技创新领军人才(204200510011)。

Control factors of CO disproportionation reaction and its effect on refractories

Feng Yihang, Liu Guoqi, Li Hongxia, Qin Hongbin, Yang Wengang

First author's address: State Key Laboratory of Advanced Refractories,Sinosteel Luoyang Institute of Refractories Research Co.,Ltd.,Luoyang 471039,Henan,China

Received:2023-06-12 Online:2023-10-15 Published:2023-10-26

摘要/Abstract

摘要： 许多高温工业装备(如高炉、气化炉、干熄焦炉等)的服役环境为还原气氛。还原气氛中的CO在催化剂的作用下容易发生歧化反应,生成CO₂和固体碳,碳沉积在耐火材料的孔隙中,导致耐火材料过早地剥落或损毁。为此,从催化剂、CO分压、气氛组成、温度等控制因素阐述了CO的歧化反应,讨论了抑制碳沉积的方法,分析了歧化反应对耐火材料服役性能的影响,指出了今后工作的方向。

关键词: 耐火材料, CO歧化反应, 积碳, CO侵蚀, 还原气氛

Abstract: Much high-temperature industrial equipment operates in a reducing atmosphere,such as blast furnaces,gasifiers and coke dry quenching furnaces.CO in reducing atmospheres is prone to disproportionate under the action of catalysts,generating CO₂ and solid carbon,which are deposited in the pores and gaps of refractories,thus leading to premature spalling or damage of refractories.For this reason,the disproportionation reaction of CO was described in terms of catalysts,CO partial pressure,atmosphere composition,temperatures and other controlling factors.The methods to inhibit carbon deposition were discussed.The effect of CO disproportionation reaction on the service performance of refractories was analyzed.The direction of the future work was pointed out.

Key words: refractories, CO disproportionation reaction, carbon deposition, CO corrosion, reducing atmosphere

中图分类号:

TQ175

丰义航, 刘国齐, 李红霞, 秦红彬, 杨文刚. CO歧化反应的控制因素及对耐火材料的影响[J]. 耐火材料, 2023, 57(5): 452-456.

Feng Yihang, Liu Guoqi, Li Hongxia, Qin Hongbin, Yang Wengang. Control factors of CO disproportionation reaction and its effect on refractories[J]. Refractories, 2023, 57(5): 452-456.

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CO歧化反应的控制因素及对耐火材料的影响

Control factors of CO disproportionation reaction and its effect on refractories

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