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提高360m2烧结机烧结矿碱度稳定率的研究

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烧结矿碱度稳定率直接关系到高炉生产的稳定,同时也会影响到高炉的各项经济技术指标。2020年天津钢铁集团有限公司360m2烧结机大修后,烧结矿产量和质量都得到了明显提高,但由于360m2烧结机的混匀矿是由原料配料室直供,造成烧结混合料成分稳定性差、烧结成品矿碱度波动大,已影响到高炉生产的稳定。本文对影响360m2烧结机烧结矿碱度稳定率的因素进行了分析,确定了影响烧结矿碱度稳定率的原因,并提出了工艺改进措施。通过提高原、燃料成分稳定性、降低混匀配料工序混匀矿成分波动、降低烧结配料工序烧结混合料碱度波动等工艺措施的实施,360m2烧结机烧结矿碱度稳定率显著提高。
Study on improving basicity stability rate of sinter in 360m2 sintering machine
The basicity stability rate of sinter is directly related to the stability of blast furnace produc⁃tion, meanwhile also affects various economic and technical indicators of blast furnace. In 2020, after the overhaul of the 360m2 sintering machine of Tianjin Iron and Steel Group Co., Ltd., the output and quality of sinter have been significantly improved,but because the blending ore of the 360m2 sintering machine is directly supplied by the stock yard ingredients room, the stability of the composition of the sintering mixture is poor, and the basicity of the sintered finished ore fluctuates greatly, which has affected the sta⁃bility of the blast furnace production. This paper analyses the factors affecting sinter basicity stability rate of 360m2 sintering machine, determines the reasons affecting sinter basicity stability rate, and puts forward the process improvement measures. Through the implementation of process measures such as im⁃proving the stability of raw material and fuel composition, debasing the fluctuation of blending ore compo⁃sition in the blending batching process, and reducing the basicity fluctuation of the sintering mixture in the sintering batching process, the sinter basicity stability rate of 360m2 sintering machine has been sig⁃nificantly improved.

sinterblending oresintering mixturebasicitystability rate

呼建军

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天津钢铁集团有限公司, 天津 300301

烧结矿 混匀矿 烧结混合料 碱度 稳定率

2022

天津冶金
天津冶金集团有限公司 天津市金属学会 天津市冶金科技信息研究所

天津冶金

影响因子:0.162
ISSN:1006-110X
年,卷(期):2022.(5)
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