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鞍钢海城镁矿每采一吨菱镁矿石,通过破碎后产生40～50%的粉矿,这些粉矿不能入现有的竖窑进行锻烧镁砂,从开矿以来一直堆积成山,浪费了国家宝贵的菱镁资源,又占用很多农田,影响农业的发展。鞍钢海城镁矿广大革命职工高举毛泽东思想伟大红旗,高举“鞍钢宪法”光辉旗帜,遵照伟
Anshan Iron and Steel Haicheng magnesium ore each mining a ton of magnesite, crushed to produce 40 to 50% of the fines, these fines can not be into the existing shaft kiln calcined magnesia, has been piling up from the mine, wasted Magnesite national precious resources, but also take up a lot of farmland, affecting the development of agriculture. Anshan Iron and Steel Haicheng magnesium revolutionary workers held high the great red banner of Mao Zedong Thought, holding high the “Angang Constitution” glory banner, in accordance with Wei