ISSN：1003-8620

CN：42-1243/TF

Governed by: CITIC Pacific Special Steel Group Co., LTD

Sponsored by: Daye Special Steel Co., LTD.

Special Steel ›› 2007, Vol. 28 ›› Issue (2): 22-23.

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Influence of BaO Content on Lubrication and Heat Transfer Behavior of Mould Powder

Wang Yici1, Dong Fang1,2, Wang Baofeng1   

  1. 1 College of Material and Metallurgy, Inner Mongolia University of Science and Technology, Baotou 014010;
    2 School of Metallurgy and Ecological Engineering,University of Science and Technology,Beijing 100083
  • Received:2006-09-15 Online:2007-04-01 Published:2023-03-09

BaO 含量对结晶器保护渣润滑和传热行为的影响

王 艺 慈1, 董  方1,2, 王宝峰1   

  1. 1 内蒙古科技大学材料与冶金学院，包头014010;
    2北京科技大学冶金与生态学院，北京100083
  • 作者简介:王艺慈(1975-),女，讲师，包头钢铁学院毕业，从事钢铁冶金研究。
  • 基金资助:
    内蒙古自治区自然科学基金资助项目(编号： 200208020206)

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Abstract: Influence of 0~6% BaO content on melting temperature, crystalline temperature and rate of mould pow- der with main ingredient 31.60CaO,27.20SiO₂,10.48C,4.85Al2O3 and basicity 1.16 for casting Q235B, SS400 etc medium carbon steels by CSP flow sheet at Baotou Steel has been studied. Test results showed that added ≤2% BaO in test mould powder was available to improve lubricant and vitreous performance of flux and restraine precipitation of crystals, and as BaO content was ≥4%, the precipitation of crystals was completely restrained to get optimizing vitreous flux films.

摘要： 研究了0-6％BaO含量对包钢CSP流程浇铸Q235B、SS400等中碳钢、主要成分(％)为31．60CaO、27．20SiO2、10．48C、4．85Al2O3、碱度为1．16的结晶器保护渣熔化温度、析晶温度和析晶率的影响。试验结果表明,在实验渣中加入≤2％BaO,可有效地改善保护渣的润滑性能,抑制晶体析出,改善熔渣的玻璃性能;BaO含量≥4％时,完全抑制晶体析出,得到良好的玻璃态渣膜。

关键词: BaO, , 结晶器保护渣, 润滑, 控制传热

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