Typical applications of thermochemical reactions in refractory

doi:10.16085/j.issn.1000-6613.2024-0043

Abstract

Abstract:

The development of high-temperature industry is closely related to the development of refractory materials, and the technological progress without exception depends on the research and development of high quality refractories. In the process of preparation and application, refractories are closely related to thermochemical reactions. This paper first briefly reduces the development of refractory, and secondly taking silica brick, synthetic mullite as examples, the thermochemical reactions in the preparation of these refractories are introduced. The thermochemical corrosion reactions of mullite-SiC brick, magnesia-spinel brick and magnesia-carbon brick in service is introduced, and the application of thermochemical simulation in the reactions between refractories and slag/gas is introduced. Taking alumina-carbon filter as an example, the adsorption mechanism of inclusion in its application process is introduced. Finally, the common calcining equipments for refractory are introduced.

Key words: refractory, thermal chemical reaction, corrosion, phase diagram, simulation, calcining equipments

摘要：

高温工业的发展，与耐火材料的发展密切相关，其技术进步无一例外地都依赖于优质耐火材料的研发。耐火材料在制备及应用过程中，都和热化学反应息息相关。本文首先简要介绍了耐火材料的发展历程，其次以二氧化硅质、莫来石质耐火材料为例，介绍了上述耐火材料制备中的热化学反应过程；以莫来石-碳化硅、方镁石-尖晶石、镁碳质耐火材料为例，介绍了上述耐火材料在服役过程中的热化学侵蚀反应行为，并给出了热化学模拟在耐火材料与熔渣/气相反应中的应用情况；以氧化铝-碳质过滤器为例，介绍了其应用过程中的吸附夹杂机理。最后介绍了常用的耐火材料煅烧设备。

关键词: 耐火材料, 热化学反应, 侵蚀, 相图, 模拟, 煅烧设备

CLC Number:

TQ175

LI Yawei, HAN Bingqiang, YAN Wen, HUANG Ao, LIU Hao, ZHU Tianbin, LIAO Ning, CHEN Junfeng, XU Yibiao. Typical applications of thermochemical reactions in refractory[J]. Chemical Industry and Engineering Progress, 2024, 43(7): 3647-3659.

李亚伟, 韩兵强, 鄢文, 黄奥, 刘浩, 朱天彬, 廖宁, 陈俊峰, 徐义彪. 耐火材料热化学反应典型应用技术发展[J]. 化工进展, 2024, 43(7): 3647-3659.

Figures/Tables 13

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