A method for producing low carbon steel (13) wherein molten steel is decarburized in a three stage refining procedure comprising a first stage wherein oxygen is provided for decarburization enveloped in a gas shroud (16), a second stage wherein oxygen is provided for decarburization enveloped in a flame shroud (16), and a third stage wherein inert gas or oxygen is provided enveloped in a flame shroud (16).
申请公布号
WO2005069977(A3)
申请公布日期
2006.02.23
申请号
WO2005US02102
申请日期
2005.01.19
申请人
PRAXAIR TECHNOLOGY, INC.;RILEY, MICHAEL, FRANCIS;MAHONEY, WILLIAM, JOHN