单品种直供配料下提高烧结矿碱度稳定率的实践
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摘要
安钢3~#烧结机采用了单品种直供配料,由于烧结矿SiO_2质量分数波动较大,加之低硅烧结、原料结构调整频繁以及熔剂配料设备稳定性差等原因,致使烧结矿碱度稳定率维持在较低水平。2018年以来,技术人员通过采取稳定配矿结构、改造配料设备以及提高碱度调整标准化操作水平等一系列措施,将烧结矿碱度稳定率由70%左右提高到80%以上。
Direct supply and proportioning of single type raw material are adopted for Angang 3~# sintering machine.Due to the large fluctuation of sinter SiO_2 mass fraction,coupled with reasons like low-silicon sintering,frequent adjustment of raw material structure and poor stability of flux proportioning equipment etc.,the stability rate of sinter alkalinity is maintained at a low level.Since 2018,the technical personnel have adopted a series of measures such as stabilizing proportioning structure,modifying proportioning equipment and improving standardized adjustment operation etc.,and the stability rate of sinter alkalinity has increased from about 70% to over 80%.
Direct supply and proportioning of single type raw material are adopted for Angang 3~# sintering machine.Due to the large fluctuation of sinter SiO_2 mass fraction,coupled with reasons like low-silicon sintering,frequent adjustment of raw material structure and poor stability of flux proportioning equipment etc.,the stability rate of sinter alkalinity is maintained at a low level.Since 2018,the technical personnel have adopted a series of measures such as stabilizing proportioning structure,modifying proportioning equipment and improving standardized adjustment operation etc.,and the stability rate of sinter alkalinity has increased from about 70% to over 80%.
引文
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[15] 唐凌剑.物料错位混合稳定烧结矿成分的研究[J].烧结球团,2018,43(5):34-39.
[2] 许满兴,张天启.铁矿石优化配矿实用技术[M].北京:冶金工业出版社,2017:17-63.
[3] 闫利娥.提高太钢烧结矿碱度稳定性的研究与实践[J].烧结球团,2009,34(4):44-47.
[4] 王蒙,陈国涛,徐礼镜.青岛特钢烧结机项目的创新改造与实践[J].烧结球团,2017,42(3):26-29.
[5] 龙飞亮,梁高铭.湘钢新360 m2烧结机生产工艺参数优化[J].烧结球团,2012,37(1):21-24.
[6] 贾秀凤,杨保林,王策军,等.宁钢提高烧结矿碱度稳定率的生产实践[J].浙江冶金,2018,37(4):41-51.
[7] 曹建民,张永中.提高烧结矿成分稳定率的生产实践[J].马钢职工大学学报,2002,12(2):29-32.
[8] 赵彦军,张文东.天铁高碱度烧结矿生产实践[J].天津冶金,2007(6):35-37.
[9] 成继勋,王建鹏.汉钢提升烧结矿碱度稳定率实践[J].山西冶金,2018,41(1):59-61.
[10] 梅奇,范维国,乐敏健.武钢五烧提高烧结矿碱度稳定率的生产实践[J].武钢技术,2016,54(2):4-7.
[11] 田欢,王沧.唐钢炼铁厂北区低碱度烧结矿的生产实践[J].南方金属,2010(3):43-45.
[12] 段祥光,李树鹏,雷霆,等.烧结矿碱度波动影响因素分析[J].包钢科技,2018,44(4):16-19.
[13] 万文余,钟婧,李浩鸣.新(余)钢降低烧结矿碱度的实践[J].烧结球团,2010,35(2):55-58.
[14] 刘德训.莱钢烧结厂提高烧结矿质量的实践[J].烧结球团,2001,26(2):34-38
[15] 唐凌剑.物料错位混合稳定烧结矿成分的研究[J].烧结球团,2018,43(5):34-39.