承钢钒钛磁铁精矿烧结工艺参数的正交试验研究

来源期刊：钢铁2010年第9期

论文作者：王文山 孙艳芹 任刚 李福民 吕庆

文章页码：18 - 21

关键词：钒钛磁铁精矿； 烧结矿； 工艺参数； 正交试验； 冶金性能

Key words：V-Ti-bearing magnetite concentrate； sinter； process parameter； orthogonal test； metallurgical property

摘    要：承钢烧结生产目前主要以钒钛磁铁精矿为含铁物料,但其成品烧结矿强度低、低温还原粉化严重。针对这一问题,通过烧结杯试验研究了烧结矿碱度、混合料燃料配比、烧结矿MgO含量和混合料水分等工艺参数对烧结矿机械强度和低温还原粉化的影响,得出了承钢在当前原燃料条件下合理的烧结工艺参数为碱度2.6,燃料配比4.5%,烧结矿中MgO质量分数4.0%,混合料水分7.5%。为实际生产提供了理论依据。

Abstract: Vanadium-titanium magnetite is the main material for sintering production in Chengde Iron and Steel Co.,Ltd.However,it is a serious problem for sinter with lower strength and bad RDI.The effect of basicity(R),fuel ratio,MgO and water content on RDI and mechanical strength of sinter was investigated by sintering pot test.The reasonable process parameters are as follows,R is about 2.6,fuel ratio is 4.5%,MgO content is 4.0%,and water content is 7.5%,which will provide theoretical basis for the actual production.