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针对攀西地区高镁型钒钛磁铁矿用量增加、高炉渣中MgO质量分数逐渐升高的特点,开展了w(MgO)对含TiC、TiN、Ti(C,N)等高熔点物质的高钛型高炉渣黏流特性影响的试验研究。结果表明,对于w(TiO_2)=20%、w(A1_2O_3)=14%、二元碱度R2为1.0~1.2的高炉渣,w(MgO)由8%增加到12%时,熔化性温度由1332℃升高到1364℃,炉渣趋于“短渣”特性;1450℃以上时,炉渣黏度低于0.3 Pa·s,仍具有良好的流动性,可满足高炉生产要求。
According to the increase of the amount of high-Mg vanadium titanomagnetite in Panxi area and the gradual increase of MgO content in blast furnace slag, the effect of w (MgO) on the melting point of TiC, TiN, Ti (C, N) Experimental Study on the Influence of High Titanium Blast Furnace Slurry on the Flow Characteristics. The results show that for w (TiO_2) = 20%, w (A1_2O_3) = 14%, and binary basicity R2 of 1.0 ~ 1.2, the w (MgO) increases from 8% to 12% When the temperature rises from 1332 ℃ to 1364 ℃, the slag tends to be “short slag”. When the temperature is above 1450 ℃, the slag viscosity is lower than 0.3 Pa · s and still has good fluidity to meet the requirements of blast furnace production.