发明授权
- 专利标题： Method for manufacture of reduced pellets
- 专利标题（中）： 减少颗粒的制造方法
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申请号： US610745申请日： 1975-09-05
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公开(公告)号： US3993471A公开(公告)日： 1976-11-23
- 发明人: Ryoichi Yoshimura , Takashi Shoji
- 申请人： Ryoichi Yoshimura , Takashi Shoji
- 申请人地址： JA Tokyo
- 专利权人： Showa Denko Kabushiki Kaisha
- 当前专利权人： Showa Denko Kabushiki Kaisha
- 当前专利权人地址： JA Tokyo
- 优先权： JA49-103016 19740909
- 主分类号： C22B34/32
- IPC分类号： C22B34/32 ; C21B13/00 ; C21B13/08 ; C22B1/16 ; C22B1/243 ; C22B5/10 ; C22B1/08
摘要：
Reduced pellets are manufactured by mixing a powdered raw metallurgical ore such as of iron, chromium or manganese with a carbonaceous reducing material obtained by heat-treating anthracite, at temperatures between 600.degree. C and 1000.degree. C and subsequently pulverizing the heat-treated anthracite, pelletizing the resultant mixture and thereafter roasting the pellets.
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