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1981年6月苏联在切列波维茨克冶金厂召开了炉外精炼科技发展方向协调专业会。参加会议的有冶金企业、科研单位、高等院校、设计部门和黑色冶金工业部的代表。会上讨论了在炉外精炼方面的工作成效和1982～1983年的工作计划。在第十个五年计划期间进一步发展了钢的真空处理、碱性合成渣渣洗、罐内吹氩和喷粉技术。例如,吹氩钢增加了1.5倍;合成渣洗工艺得到了进一步扩大应用。切列波
In 1981 June the Soviet Union in Cherepovets Metallurgical Plant held outside the furnace refining technology development coordination meeting. Attending the meeting are metallurgical enterprises, research institutes, universities, design departments and representatives of the Black Metallurgical Industry. The meeting discussed the effectiveness of work in the furnace refining and 1982 ~ 1983 work plan. During the Tenth Five-Year Plan, further developments were made for the vacuuming of steels, alkaline slag dregs, argon blowing in the tank, and dusting technology. For example, argon blowing steel increased by 1.5 times; synthetic slag washing process has been further expanded and applied. Che Liebo