Process for making pig iron in a blast furnace

The invention discloses a process for making pig iron in a blast furnace, wherein supersonic oxygen containing gas is injected at the bottom of the furnace and reaches the dead man zone at a velocity which is high enough to substantially avoid the deposition of coal fines in said zone while at the s...

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Bibliographic Details
Main Authors MUELLER BURKHARD, LABEGORRE BERNARD, MORTBERG MAGNUS, PRANDA PAVOL, OTERO-MARTINEZ PEDRO, JOUMANI YOUSSEF, CONSTANTIN GABRIEL, PENFORNIS ERWIN, YUAN QUAN, KALCEVIC ROBERT, GHANI USMAN
Format Patent
LanguageChinese
English
Published 25.05.2011
Subjects
CHEMISTRY
MANUFACTURE OF IRON OR STEEL
METALLURGY
METALLURGY OF IRON
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Summary:The invention discloses a process for making pig iron in a blast furnace, wherein supersonic oxygen containing gas is injected at the bottom of the furnace and reaches the dead man zone at a velocity which is high enough to substantially avoid the deposition of coal fines in said zone while at the same time the PCl rate may be increased.
Bibliography:Application Number: CN200780048695