Volume 15 Issue 5
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Abstract
Li Yonggang, Tu Baohong, Liu Peijing, Zan Wenzhong, Hu Yongping. CaSi Cored Wire Feeding Prevent Tundish Nozzle Clogging[J]. Chinese Journal of Engineering, 1993, 15(5): 485-490. DOI: 10.13374/j.issn1001-053x.1993.05.028
Citation: Li Yonggang, Tu Baohong, Liu Peijing, Zan Wenzhong, Hu Yongping. CaSi Cored Wire Feeding Prevent Tundish Nozzle Clogging[J]. Chinese Journal of Engineering, 1993, 15(5): 485-490. DOI: 10.13374/j.issn1001-053x.1993.05.028
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CaSi Cored Wire Feeding Prevent Tundish Nozzle Clogging

  • 1. Department of Metallurgy;

  • 2. Second Inner Mongolia Machinery Company

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  • Received Date: October 21, 1992
  • Available Online: October 17, 2021
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    • Abstract
  • The tundish nozzle clogging samples were taken and analyzed. The clogging causes are understood. Main cause is Al2O3 inclusion and hercynite inclusions stick on the nozzle wall and accumulated. By feeding Φ13.5mm CaSi cored wire, the rate of feeding was 120~130m/min or 0.26~0.86 kg/t. The high melting point inclusions were changed into low melting point complex oxides. There was no longer tundish nozzle clogging observed. The most part inclusions were modified into spherical inclusions and their size was small.
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