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钢坯综合收得率是考核轧钢厂经济效益的主要指标。宝钢初轧厂根据生产实绩,深入调查研究,对生产工艺作了许多改进,其主要方法有:从锭型、规格优选产品方案;改进均热炉的加热工艺;改进初轧机轧钢工艺;改进热火焰清理工艺;改善大剪劈切工艺;挽救钢质不良的废品。今后还要不断探索,学习国内外的先进技术知经验,不断改进,可望在综合收得率上取得新的收益。
The comprehensive yield of billets is the main index to evaluate the economic benefits of rolling mills. Based on the actual production results, Baosteel’s preliminary rolling mill made many improvements on the production process according to the actual production results. The main methods are as follows: optimizing the product plan from the ingot type and specifications, improving the heating process of the soaking furnace, improving the rolling process of the first rolling mill, Flame cleaning process; improve the big cut cleavage process; save the poor steel scrap. In the future, we must constantly explore and learn from the experience of advanced technologies both at home and abroad, and make continuous improvements. We hope that new gains will be made in the comprehensive income recovery rate.