秦皇岛耀华玻璃总厂的砂岩生产基地,雷庄矿已建成了一条年产10万t精砂的湿法棒磨生产线。它是我国玻璃行业的第一条砂岩湿法加工生产线。砂岩矿石湿法棒磨加工工艺是国家建材局的“日产500t浮法玻璃生产技术开发”这一国家“七·五”科技攻关项目中,为满足浮法玻璃对硅质原料的质量要求而安排的研究 Qinhuangdao Yaohua Glass Factory sandstone production base, mine has built an annual output of 100000 t fine sand wet rod mill production line. It is China’s glass industry’s first sandstone wet processing production line. Sandstone ores wet rod mill processing technology is the National Building Materials Bureau “Nissan 500t float glass production technology development,” the country “Seventh Five-Year” scientific and technological projects, in order to meet the quality requirements of the float glass of siliceous materials and arrangements Research