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利用中国矿业大学专利技术开发研制的首台火洗能力为90万t／年的LZT24／100型自生介质螺旋滚资选煤机，日前在大同矿务局大斗沟矿一次性调试成功，并已顺利投产。经工业性生产运行、介质密度达到了设计指标，产成品循各项技术、经济指标都达到了设计要求。自生介质送煤是80今他
The first batch of LZT24 / 100 self-propelled spiral roller coal washer developed by the patented technology of China University of Mining and Technology has been successfully commissioned at Dadougou Mine of Datong Mining Bureau and Has been successfully put into operation. After industrial production and operation, the medium density has reached the design index, and the finished products have met the design requirements through various technical and economic indicators. Spontaneous medium to send coal is 80 now him