发明授权
- 专利标题: Method for producing refractory metals
- 专利标题(中): 生产耐火金属的方法
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申请号: US3736132D申请日: 1971-12-17
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公开(公告)号: US3736132A公开(公告)日: 1973-05-29
- 发明人: MORSE H H , EASTERDAY C L , EASTERDAY D E , PLOCK L S , MORGAN F K
- 申请人: STEEL CORP
- 专利权人: Steel Corp
- 当前专利权人: Steel Corp
- 优先权: US20909471 1971-12-17
- 主分类号: C22B34/14
- IPC分类号: C22B34/14 ; B22F3/10 ; C22B5/02 ; C22B34/10 ; C22B34/12 ; B22F1/00 ; C22B53/00 ; C22B61/02
摘要:
A PROCESS FOR THE MANUFACTURE OF TITANIUM FROM TITANIUM TETRACHLORIDE BY REDUCTION WITH SODIUM, IN WHICH A PARTIALLY REDUCED MATERIAL PRINCIPALLY CORRESPONDING TO NA2TICL4 IS CONTINUOUSLY FORMED, IS IMPROVED BY CONTINUOUSLY MIXING THE PARTIALLY REDUCED MATERIAL WITH SODIUM AT A TEMPERATURE BELOW ABOUT 200*C. SO AS TO FORM AN INTERMEDIATE MATERIAL CORRESPONDING TO AT LEAST 15% BY WEIGHT NA3TICL4, COMPACTING THE INTERMEDIATE MATERIAL AT A TEMPERATURE OF LESS THAN 100*C. TO FORM A CONTINUOUS ROD OF THE COMPOSITE MATERIAL WITHOUT SUBSTANTIAL FURTHER REDUCTION OF THE TITANIUM CHLORIDE CONTENT THEREOF AND CONTINUOUSLY HEATING THE ROD FORMED AT TEMTERATURES ABOUT 800*C. TO COMPLETE REDUCTION OF TITANIUM CHLORIDE COMPONENT THEREOF, TO EFFECT SINTERING OF THE RESULTING TITANIUM METAL, AND TTO SIMULTANEOUSLY MELT THE SALT BY-PRODUCT AND THEREBY FACILITATE SEPARATION AND REMOVAL OF THE SALT FROM THE ROD-SHAPED, SINTERED TITANIUM METAL PRODUCT.
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