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冶金部于1985年12月14日至16日在湖南省长沙市召开齐大山粉矿第二段球磨补加30mm钢球磨矿工业试验等十项成果鉴定和评审会,出席会议代表有60人。 (一)齐大山粉矿第二段球磨补加30mm钢球磨矿工业试验该项成果由冶金部长沙矿冶研究院和鞍钢矿山研究所完成,试验在日处理能力720t的试验厂进行。工业试验结果表明,采用补加30mm钢球代替补加60mm钢球的技术途径,达到了冶金部下达的,在不降低磨机产量的条件下,磨矿细度85％-200目以上的攻关指标;此项研究成果,使磨机台时处理能力提高了11.8～20％,单位新生处理能力提高了28.8～47.5％,能耗降低了11.8～
The Ministry of Metallurgy held 10 qualification appraisal and review meetings of the ball mill for the second stage of Qidashan Powder Mine in addition to the 30mm ball mill industrial test in Changsha, Hunan Province from December 14 to December 16, 1985 with 60 delegates attending the conference. (A) the second paragraph of Qisashan powder mine ball mill additional 30mm industrial test of grinding ball The results of the Ministry of Metallurgy, Changsha Institute of Mining and Metallurgy and Anshan Institute of Mining to complete the test at a daily processing capacity of 720t pilot plant. Industrial test results show that the use of additional 30mm ball instead of additional 60mm steel ball technology to reach the Ministry issued by the Ministry of metallurgy, without reducing the mill output conditions, the grinding fineness of more than 85% -200 mesh research Indicators; the research results, the mill processing capacity increased by 11.8 to 20%, unit processing capacity increased 28.8 ~ 47.5%, energy consumption decreased by 11.8 ~