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我省沭阳县韩山乡发现较大型的兰晶石矿,江苏省轻工业厅正在组织有关单位设计,以尽早发挥作用。设计范围的工业储量为115万吨,矿石中兰晶石平均品位为18.67％,最终精矿品位含Al_2O_3达55％,作为尾矿产出的硅石粉含SiO_2高达96％。目前,从国内外来看,均将兰晶石作为生产新型耐火材料的极有价值的原材料。为综合利用沭阳兰晶石矿产资源,迅速发展我国及省内耐火材料工业,本文特就兰晶石的性质、及其在耐火材料工业中的用途作一简略介绍。 1.兰晶石的性质
Shuyang County, Shandong Province Han Shan found larger Lan Ling quarry, Jiangsu Provincial Light Industry Department is organizing the design of relevant units to play an early role. The designed industrial reserves are 1.15 million tons. The average grade of the alanine in the ore is 18.67%. The final concentrate grade contains 55% Al_2O_3, and the silica fume produced as a tailings contains up to 96% SiO_2. At present, both at home and abroad, Lan Jing Shi will be regarded as the production of new refractory materials of great value. In order to make full use of ShuLan blue spar mineral resources and rapidly develop the refractory industry in our country and in our province, this paper gives a brief introduction on the nature of blue spar and its use in refractory industry. 1. The nature of blue spar