1任务的提出根据冶金工业部“八五”、“九五’潮间黑色冶金矿山新技术推广规划提出的有关铁矿石选厂要积极推广应用各种优质耐磨磨球，使球耗降低～半，显著减少精矿生产成本的要求；当前我国可供选用的优质耐磨球品种繁多，琳琅满目，许多选厂和球厂都迫切希望冶金部能够尽早 1 Task proposed According to the “Eighth Five-Year Plan”, “Ninth Five-Year” Interim Black Ferrous Metallurgy New Technology Promotion Plan proposed by the iron ore processing plant to actively promote the use of a variety of high quality wear-resistant ball, the ball consumption is reduced ~ Half, significantly reducing the cost of concentrate production requirements; currently available in our selection of high-quality wear-resistant ball variety, dazzling array of many plant and ball plant are eager to Metallurgical Department as soon as possible