Accretions in the Blast Furnace Stack - Background Factors

A survey of the literature dealing with factors behind the formation of accretions on the inner wall of the blast furnace stack is presented. Blast furnace operation is sensitive to irregularities in accretion build-up on the refractory inside the stack (or shaft as it is sometimes termed). In order...

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Bibliographic Details
Published inCanadian metallurgical quarterly Vol. 41; no. 4; pp. 475 - 486
Main Author Fredman, T.P.
Format Journal Article
LanguageEnglish
Published Kingston, ON Taylor & Francis 01.12.2002
Metallurgical Society of the Canadian Institute of Mining and Metallurgy
Subjects
Applied sciences
Exact sciences and technology
Iron and steel making
Ironmaking in blast furnace
Metals. Metallurgy
Production of metals
Blast furnace stack
Accretion
Pig iron manufacture
Blast furnace
Chemical reaction
Iron steel industry
Accretion rate
Blast furnace practice
Blast furnace lining
Blast furnace performance
Specific surface area
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Summary:A survey of the literature dealing with factors behind the formation of accretions on the inner wall of the blast furnace stack is presented. Blast furnace operation is sensitive to irregularities in accretion build-up on the refractory inside the stack (or shaft as it is sometimes termed). In order to protect the refractory lining and embedded cooling circuit, maintaining a thin, protective accretion layer on the lining is an important objective for the operator. In this study, background factors of accretions are examined. Chemical reactions occurring inside the stack, raw material composition and distribution as well as cooling are considered.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0008-4433
1879-1395
DOI:10.1179/cmq.2002.41.4.475