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1.发明授权Process for reducing and carburizing melting of metallic material in a rotary furnace 失效在旋转炉中减少和加热金属材料熔融的方法
公开(公告)号：US3511644A
公开(公告)日：1970-05-12
申请号：US3511644D
申请日：1966-07-05
Applicant: STORA KOPPARBERGS BERGSLAGS AB
Inventor： JOSEFSSON ERIK ANDERS AKE , BENGTSSON ERIK AXEL
CPC classification number: C21B11/06 , C21B13/085 , C21C1/00 , Y02P10/136 , Y02P10/212
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2.发明授权Process of desulphurizing pig iron in the reduction of ore in a rotary furnace 失效在减少火花炉中降低铁矿石的硫铁脱硫工艺
公开(公告)号：US3505061A
公开(公告)日：1970-04-07
申请号：US3505061D
申请日：1965-07-08
Applicant: STORA KOPPARBERGS BERGSLAGS AB
IPC: C21B11/06
CPC classification number: C21B11/06
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公开(公告)号：US3617897A
公开(公告)日：1971-11-02
申请号：US3617897D
申请日：1969-04-22
Applicant: STORA KOPPARBERGS BERGSLAGS AB
Inventor： SANDBERG HANS KARL GUSTAV , BENGTSSON ERIK AXEL
IPC: C21C5/32
CPC classification number: C21C5/32
Abstract: The final phase of carbonaceous metal melt refining operation is carried out with a deficiency of oxygen in the furnace space in order to reduce the wear of the furnace lining without decreasing the content of iron oxide in the slag.
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