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通过试验证明,烧结混合料中加3%的少量萤石可以有效地控制高硅型烧结矿的粉化。含CaF_2(2.5%左右)烧结矿冶金性能良好,有利于高炉顺行。生产含CaF_2烧结矿,烧结废气中F~-含量没有超过国家规定的排放标准。
It is proved through experiments that adding 3% of a small amount of fluorite in the sintering mixture can effectively control the powdering of the high-silicon sintered ore. Containing CaF_2 (about 2.5%) sinter metallurgical performance is good, is conducive to the blast order. Producing CaF 2 -containing sinter, the content of F ~ - in the flue gas did not exceed the national discharge standards.