公开(公告)号：US10018419B2

公开(公告)日：2018-07-10

申请号：US14889018

申请日：2014-05-02

申请人： TaTa Steel Ltd.

发明人： Jacques Pilote ,  Rodney James Dry ,  Michael Anthony Hutton

IPC分类号： F27D3/18 ,  C21B7/24 ,  C21C5/46 ,  F27D3/00 ,  C21B7/16 ,  F27D3/16 ,  F27D21/00

CPC分类号： F27D3/18 ,  C21B7/163 ,  C21B7/24 ,  C21C5/4606 ,  C21C5/4673 ,  C21C2005/4626 ,  F27D3/0033 ,  F27D3/16 ,  F27D2003/164 ,  F27D2003/168 ,  F27D2003/169 ,  F27D2021/0007

摘要： A solids injection lance includes (a) a tube that defines a passageway for solid feed material to be injected through the tube and has an inlet for solid material at a rear end and an outlet for discharging solid material at a forward end of the tube and (b) a puncture detection system for detecting a puncture in the solids injection tube.

公开(公告)号：US10151014B2

公开(公告)日：2018-12-11

申请号：US14867116

申请日：2015-09-28

申请人： Tata Steel Ltd.

发明人： Jacques Pilote ,  Rodney James Dry

IPC分类号： C22B5/10 ,  C21B13/00 ,  F27B3/10 ,  F27B3/18 ,  F27B3/22 ,  F27D3/16 ,  F27D3/18 ,  C21B13/10 ,  C22B5/18 ,  F27D3/00 ,  F27D13/00

摘要： A process and apparatus for direct smelting metalliferous material is disclosed. The invention concentrates injection of solid feed materials comprising metalliferous material and carbonaceous material into a direct smelting vessel during the course of the process into a relatively small region within a metal layer in a molten bath in the vessel in order to generate a substantial upward movement of molten material and gas from the metal layer into a region in the vessel that is above the molten bath. In particular, the invention injects the solid food materials with sufficient momentum and/or velocity via an opposed pair of lances that are oriented within the vessel and arranged to form overlapping plumes of injected material in the molten bath.