ISSN 2594-357X
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Abstract
The service life of blast furnace (BF) hearth can be threatened mostly by air gap. The present paper is set on the investigation of hearth problem and makes analysis on reasons and factors of generating air gap through theoretical calculations and field survey. Effective measures are proposed herein for preventing air gap by well managing every link concerned. It’s taken a package solution to realize zero-gap hearth operation and long campaign furnace.
The service life of blast furnace (BF) hearth can be threatened mostly by air gap. The present paper is set on the investigation of hearth problem and makes analysis on reasons and factors of generating air gap through theoretical calculations and field survey. Effective measures are proposed herein for preventing air gap by well managing every link concerned. It’s taken a package solution to realize zero-gap hearth operation and long campaign furnace.
Keywords
Long life of BF hearth; Air gap; Design; Maintenance.
Long life of BF hearth; Air gap; Design; Maintenance.
How to refer
Zhongping, Zou;
Xianzhen, Guo.
STUDY ON AIR GAP OF BLAST FURNACE HEARTH AND
PREVENTION
,
p. 2793-2801.
In: 42º Seminário de Redução de Minério de Ferro e Matérias-primas / 13º Seminário Brasileiro de Minério de Ferro / 6th International Congress on the Science and Technology of Ironmaking,
Rio de Jabeiro,
2012.
ISSN: 2594-357X
, DOI 10.5151/2594-357X-22707
