公开(公告)号：US3498783A

公开(公告)日：1970-03-03

申请号：US3498783D

申请日：1967-05-04

Applicant: STORA KOPPARBERGS BERGSLAGS AB

Inventor： JOHANSSON FOLKE KARL EVALD ,  CEDERVALL GOSTA HUGO

IPC: C21C5/32 ,  C21C5/56 ,  F27B7/20 ,  C21C7/04

CPC classification number: C21C5/32 ,  C21C5/56 ,  F27B7/2083

公开(公告)号：US3860418A

公开(公告)日：1975-01-14

申请号：US26271872

申请日：1972-06-14

Applicant: STORA KOPPARBERGS BERGSLAGS AB

Inventor： JOSEFSSON ERIK ANDERS AKE ,  JOHANSSON FOLKE KARL EVALD ,  ALMQVIST KURT KARL AXEL ,  VON HOFTSTEN CARL FREDRIK

IPC: C21C5/00 ,  C21C5/32 ,  C21C5/34

CPC classification number: C21C5/005

Abstract: Molten iron containing chromium is refined by oxygen being blown onto the surface of the molten metal while said surface is being kept free of slag; at the same time as the oxygen is being blown onto the surface of the metal, a molten iron is also subjected to vigorous stirring or agitation.

Abstract translation: 含有铬的熔融铁被氧气吹送到熔融金属的表面而被精炼，同时所述表面保持无渣; 同时当氧气吹到金属表面上时，铁水也受到剧烈的搅拌或搅拌。