大尹格庄金矿磨矿系统增产降耗的应用实践

针对大尹格庄金矿磨机处理能力、磨机效率以及旋流器分级效率偏低、球耗和电耗较高等问题，采用精确化装补球技术，进行磨矿试验研究并开展工业应用，取得了良好的增产降耗效果。研究结果表明：磨机小时处理能力增加5.01%，电耗下降7.88%，球耗下降6.84%；磨机效率分别提高9.16%和10.45%，旋流器分级量效率分别提高了4.94%和4.07%，分级质效率分别提高了3.51%和3.90%；入浮产品中-0.074 mm含量提高了0.52%，而-0.010 mm含量降低了3.5%，精矿品位和回收率均有提高。工业应用结果表明，该方法经济效益显著，具有推广应用的价值。

Application Practice of Increasing Production and Reducing Consumption in Grinding System of Dayingezhuang Gold Mine

Aiming at the problems of low grinding production capacity，low efficiency of mill，low classigication efficiency of cyclone，high consumption of steel ball and energy，grinding research and industrial applications were carried out in Dayingezhuang gold mine，by using the technology of accurate ball loading and addition，and a good effect of increasing production and reducing consumption was achieved.The results show that the production capacity of the mill increased by 5.01%，electricity consumption decreased by 7.88% and the grinding media consumption decreased by 6.84%.Mill efficiency increased by 9.16% and 10.45%，respectively.Cyclone classification efficiency has been increased by 4.94% and 4.07%，the mass transfer efficiency of cyclone classifier increased by 3.51% and 3.90% respectively.The -0.074 mm product of cyclone classification increased by 0.52%，-0.010 mm content reduced by 3.5%.Concentrate grade and recovery has been improved.The results indicated that the increasing production of mill has a remarkable economic benefit，so it has the value of popularization and application.