Study on the early warning mechanism for the security of blast furnace hearths

被引:17
|
作者
Zhao, Hong-bo [1 ,2 ]
Huo, Shou-feng [2 ,3 ]
Cheng, Shu-sen [2 ]
机构
[1] Univ Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China
[2] Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Beijing 100083, Peoples R China
[3] Beijing North Bill Technol Co LTD, Beijing 100041, Peoples R China
基金
中国国家自然科学基金;
关键词
blast furnaces; hearths; erosion; heat flux; warning; WEAR; MODEL; FLOW;
D O I
10.1007/s12613-013-0733-4
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The campaign life of blast furnace (BF) hearths has become the limiting factor for safety and high efficiency production of modern BFs. However, the early warning mechanism of hearth security has not been clear. In this article, based on heat transfer calculations, heat flux and erosion monitoring, the features of heat flux and erosion were analyzed and compared among different types of hearths. The primary detecting elements, mathematical models, evaluating standards, and warning methods were discussed. A novel early warning mechanism with the three-level quantificational standards was proposed for BF hearth security.
引用
收藏
页码:345 / 353
页数:9
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