介绍了宝通公司在宝钢集团规划钢管提升产品档次，扩大高附加值产品的生产规模，优化资源配置的战略定位下，贯彻“普转优”的产品结构调整方案，以生产低合金的大口径管坯替代原来的电炉普碳钢、螺纹钢产品。同时对生产工艺和设备进行优化，使宝通公司成为“工艺流程顺畅、低能耗、高品质、对环境友好”的企业。详细叙述了对新建大圆坯连铸机主要工艺参数选择的思路和计算方法，以对同类型连铸机的选型提供一定的参考价值。%Under the strategy orientation of enhancing the product grades of the steel tube, expanding the production scale of high value-added products and optimizing the allocation of resources, Baosteel Nantong has become an environmental-friendly company of fluent process flow, low energy consumption, high quality. The ＂general turn best＂ product structure adjustment scheme, which would produce low alloy large diameter pipes billet instead of carbon steels and screw steels, and the production technology and equipment optimization, had been carried out by Baosteel Nantong. The ideas and calculation methods on how to select the main technology parameters of the new round bloom continuous casting machine were discussed by this article in details, which would provide a certain reference for the selection of the same type continuous casting machine.
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