结合莱钢J55、l360等低硫钢冶炼的生产实践，分析了“铁水预脱硫处理——转炉——LF钢包精炼——连铸”全流程各工艺环节的硫含量控制技术，指出铁水预脱硫处理、转炉冶炼、LF精炼过程硫含量控制技术是低硫钢冶炼的关键技术环节。通过采用全流程硫含量控制技术，生产出了最低硫含量达到0.002%的低硫钢。
Based on the smelting practice of low-sulfur steel, such as J55, L360, the sulfur control technology during the process of “hot metal predesulfurization-converter-LF refining-continuous casting” was analyzed. The key processes of sulfur control are hot metal predesulfurization, converter and LF refining. By using the sulfur control technology during the whole process, the low-sulfur content steel are produced, and among them, the lowest sulfur content is 0.002%.
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