Slit type ladle bottom blowing powder injection process and apparatus

The invention relates narrow slit type ladle bottom-blown dusting technology, comprising the following steps: conveying fluidized dust to narrow slit type air brick by dusting pot system, then spraying the dust into molten steel with narrow slit type air brick. The narrow slit type ladle bottom-blow...

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Bibliographic Details
Main Authors PAN SHISONG, SHA JUN, ZHU MIAOYONG
Format Patent
LanguageChinese
English
Published 20.02.2008
Subjects
CHEMISTRY
METALLURGY
METALLURGY OF IRON
PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
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Summary:The invention relates narrow slit type ladle bottom-blown dusting technology, comprising the following steps: conveying fluidized dust to narrow slit type air brick by dusting pot system, then spraying the dust into molten steel with narrow slit type air brick. The narrow slit type ladle bottom-blown dusting device comprises pipe line, dusting pot system, narrow slit type air brick which is set in the bottom of ladle and connected with dusting pot system. The invention comprises the following steps: easy to realize; safety and high reliability, avoiding the stoppage, meeting all requirements of gas content in many conditions; immediately removing the desulfurization product to clean the molten steel; good stirring effect; saving the up-down device and low cost of technical innovation.
Bibliography:Application Number: CN200510047980