发明授权
- 专利标题: Molten steel pouring nozzle
- 专利标题(中): 熔钢浇注嘴
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申请号: US110088申请日: 1993-08-20
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公开(公告)号: US5348203A公开(公告)日: 1994-09-20
- 发明人: Mitsuru Andoh , Noriaki Yamauchi
- 申请人: Mitsuru Andoh , Noriaki Yamauchi
- 申请人地址: JPX Ena
- 专利权人: Akechi Ceramics Co., Ltd.
- 当前专利权人: Akechi Ceramics Co., Ltd.
- 当前专利权人地址: JPX Ena
- 优先权: JPX4-275447 19920918
- 主分类号: B22D11/10
- IPC分类号: B22D11/10 ; B22D41/54 ; C04B35/103 ; C04B35/66
摘要:
A molten steel pouring nozzle which comprises: a nozzle body comprising an alumina-graphite refractory, having, along the axis thereof, a bore through which molten steel flows; and an outer refractory layer arranged on an outside portion of the nozzle body so as to be integral with the nozzle body and to be flush with an outer surface thereof, the outer refractory layer being arranged on a portion of the outside portion of the nozzle body, which portion is in contact, when a lower portion of the molten steel pouring nozzle is immersed into molten steel, with the open air without being immersed into the molten steel, and the outer refractory layer consisting essentially of:______________________________________ alumina (Al.sub.2 O.sub.3) from 40 to 75 wt. %, carbon (C) from 10 to 30 wt. %, silica (SiO.sub.2) from 1 to 30 wt. %, silicon carbide (SiC) from 1 to 20 wt. %, and low-melting glass from 1 to 10 wt. %. ______________________________________
公开/授权文献
- USD426737S Wall hung plate rack 公开/授权日:2000-06-20