Erosion Behavior and Longevity Technologies of Refractory Linings in Blast Furnaces for Ironmaking: A Review

被引：27

作者：

Cui, Kunkun ^{[1
,2
]}

Wang, Jie ^{[1
]}

Wang, Hong ^{[1
,3
]}

Zhang, Yingyi ^{[1
]}

Fu, Tao ^{[1
]}

机构：

[1] Anhui Univ Technol, Sch Met Engn, Maanshan 243002, Anhui, Peoples R China

[2] HBIS Grp Chengsteel Co, Chengde 067002, Hebei, Peoples R China

[3] Beijing Met Equipment Res Design Inst Co Ltd, Beijing 100029, Peoples R China

来源：

STEEL RESEARCH INTERNATIONAL | 2022年 / 93卷 / 11期

基金：

国家重点研发计划;

关键词：

blast furnace hearths; ceramic cups; erosion behavior; longevity technology; refractory; HEARTH SIDEWALL EROSION; CARBON COMPOSITE BRICK; SI-BASED ALLOYS; MECHANICAL-PROPERTIES; OXIDATION RESISTANCE; PROTECTIVE LAYER; HOT METAL; AL2O3-SIC-SIO2-C COMPOSITE; CORROSION MECHANISM; HARMFUL ELEMENTS;

D O I：

10.1002/srin.202200266

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Erosion of the refractory materials in blast furnaces (BFs) greatly limits their campaign life, which seriously reduces the economic benefits of iron and steel plants and endangers workers. Therefore, it is important to detect and monitor the erosion process of refractory materials in the BF hearth. In this review, the mechanisms of physical damage, chemical corrosion, and mechanical erosion of BF hearths during BF operation are analyzed and summarized. In addition, the effects of hearth structure, refractory type, and protective layer on hearth erosion behavior and hearth life are analyzed and discussed. Some longevity technologies of BF hearths are analyzed and compared, such as reasonable hearth structure design, refractory selection, and technologies to form protective layers. Finally, some suggestions and prospects for the future development of long campaign life BF hearths are discussed.

引用

页数：19

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