Title: Lance supporting device
Application Number: 86102142 Application Date: 1986.03.31
Publication Number: 1003692 Publication Date: 1986.10.01
Approval Pub. Date: Granted Pub. Date: 1989.06.21
International Classifi-cation: C21C7/04,C21C7/10
Applicant(s) Name: Shin Nippon Steel Ltd. Address:
Inventor(s) Name:
Attorney & Agent: XIN ZHESHENG CAO GUANGSHENG
Abstract:
     The device has a lance turntable rotatable within a plane and carrying a plurality of lance operation units each supporting a lance for inserting a gas and/or a powdered treating agent into a molten metal. Each lance operation unit has means for lifting/lowering, rotating and tilting the lance. The lance turntable carrying the plurality of lance operation units is disposed in the central hollow or cavity of doughnut-shaped turntable which carries a plurality of vacuum degassing vessels.
Time: 6