对宣钢高炉炉料结构进行了熔滴性能试验研究.单矿的熔滴试验结果表明:宣钢常用的2种烧结矿软化性能较好,但滴落性能较差,1 520℃仍未滴落;3种球团矿中自产球总体熔滴指标最好但软化区间最长(313℃);2种块矿中PB矿开始软化温度最低软熔区间最长,试验中未能滴落.蒙古矿软熔性能较好,但滴落温度高达1 518℃.通过对15种配矿方案进行的熔滴试验,结果表明:降低烧结矿配比,提高PB矿比例可改善炉料的熔滴性能.在试验条件下,配矿方案为"烧结矿68％+球团矿16％ +PB矿16％"的炉料结构熔滴性能最佳.
参考文献
| [1] | Yutaka UJISAWA;Kaoru NAKANO;Yoshinori MATSUKURA.Subjects for achievement of blast furnace operation with low reducing agent rate[J].ISIJ International,200510(10):1379-1385. |
| [2] | Kohei SUNAHARA;Takuya NATSUI;Kyoichiro SHIZAWA.Effect of Coke Reactivity on Sinter Softening-melting Property by Simultaneous Evaluation Method of Carbonaceous and Ferrous Burdens in Blast Furnace[J].ISIJ International,20118(8):1322-1332. |
| [3] | Shengli WU;Hongliang HAN;Haifa XU;Hongwei WANG;Xiaoqin LIU.Increasing Lump Ores Proportion in Blast Furnace Based on the High-temperature Interactivity of Iron Bearing Materials[J].ISIJ International,20105(5):686-694. |
| [4] | Huifen Yang;Lili Jing;Baogang Zhang.Recovery of iron from vanadium tailings with coal-based direct reduction followed by magnetic separation[J].Journal of hazardous materials,20112/3(2/3):1405-1411. |
| [5] | Hideki ONO-NAKAZATO;Chikahito SUGAHARA;Tateo USUI.Effect of Slag Components on Reducibility and Melt Formation of Iron Ore Sinter[J].ISIJ International,20025(5):558-560. |
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