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总结了30年来国内外有关高炉料钟、料斗表面强化工艺和技术的研究工作，根据料钟、料斗磨损类型和失效原因，着重分析讨论了不同堆焊材料和相应堆焊工艺的生产应用效果，认为药芯焊丝、焊带自动电弧堆焊硬质合金是大幅度提高料钟、料斗使用寿命的一项技术措施。
Summarizes the domestic and international research work on blast furnace clock and hopper surface strengthening technology and technology at home and abroad for 30 years. According to the data of bell, hopper wear type and failure reason, the production and application effects of different surfacing materials and corresponding surfacing welding are analyzed emphatically. That the flux cored wire, automatic welding arc welding arc welding hard alloy is a substantial increase in material bell, hopper service life of a technical measure.