ISSN 2594-5300
35º Seminário de Fusão, Refino e Solidificação dos Metais e 5º Seminário de Fundição — vol. 35, num.35 (2004)
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Abstract
Four years ago Techint has started to test new technologies for oxygen injection improvement and refractory consumption optimization on the furnaces of Techint Group and then on many other furnaces around the world. Thanks to the application of new software for fluids and flames modeling, oxygen penetration and others, these technologies have become the state of the art in the Steel Industry. The application of these technologies to the EOF of Gerdau Divinópolis is an important test due to the process characteristics of this kind of furnace. Oxygen injection is the only power source for the EOF and refractory consumption is the highest voice of cost for consumables. Aim of the project is the reduction of bricks usage thanks to the use of special copper cooled boxes and replacement of the existing bottom tuyeres with the new KT Oxygen Lances. Characteristics of the elements installed and results achieved are detailed in this paper, where special emphasis is given to the engineering details and process features.
Four years ago Techint has started to test new technologies for oxygen injection improvement and refractory consumption optimization on the furnaces of Techint Group and then on many other furnaces around the world. Thanks to the application of new software for fluids and flames modeling, oxygen penetration and others, these technologies have become the state of the art in the Steel Industry. The application of these technologies to the EOF of Gerdau Divinópolis is an important test due to the process characteristics of this kind of furnace. Oxygen injection is the only power source for the EOF and refractory consumption is the highest voice of cost for consumables. Aim of the project is the reduction of bricks usage thanks to the use of special copper cooled boxes and replacement of the existing bottom tuyeres with the new KT Oxygen Lances. Characteristics of the elements installed and results achieved are detailed in this paper, where special emphasis is given to the engineering details and process features.
Keywords
EOF, Refractory, Foamy Slag, Oxygen, Injection, Multipoint, Postcombustion, Lime, EBT.
EOF, Refractory, Foamy Slag, Oxygen, Injection, Multipoint, Postcombustion, Lime, EBT.
How to refer
Memoli, Francesco;
Freitas, Jorge Villares de.
APPLICATION IN GERDAU DIVINÓPOLIS PLANT OF NEW TECHNOLOGIES FOR OXYGEN INJECTION IMPROVEMENT AND REFRACTORY CONSUMPTION OPTIMIZATION:
A TEST FOR BRAZILIAN STEEL INDUSTRY
,
p. 498-508.
In: 35º Seminário de Fusão, Refino e Solidificação dos Metais e 5º Seminário de Fundição,
Salvador,
2004.
ISSN: 2594-5300
, DOI 10.5151/2594-5300-0050
