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Sintering Properties and Optimal Blending Schemes of Iron Ores

Dauter Oliveira , WU Sheng-li , DAI Yu-ming , XU Jian , CHEN Hong

钢铁研究学报(英文版)

In order to obtain good sintering performance, it is important to understand sintering properties of iron ores. Sintering properties including chemical composition, granulation and high-temperature behaviors of ores from China, Brazil and Australia. Furthermore, several indices were defined to evalu...

关键词: sintering , iron ore , sintering property indices , ore blending scheme

Analysis of VanadiumBearing Titanomagnetite Sintering Process by Dissection of Sintering Bed

BAI Yongqiang , CHENG Shusen , BAI Yanming

钢铁研究学报(英文版)

Many problems appear in the sintering process of vanadiumbearing titanomagnetite, such as high energy consumption and low productivity; sinter quality is also very poor for its low tumble strength and high reduction degradation. Sinter productivity and quality are dominated by bed permeability and ...

关键词: sintering , vanadiumbearing titanomagnetite , thermal state , bed dissection , mineralogy characteristic

低FeO烧结条件下的适宜配碳量和碱度

边妙莲，吴胜利，张丽华，朱娟，王清峰，龙芳仪

钢铁

通过微型烧结试验研究配碳量和碱度对烧结矿中FeO含量的影响程度，以及对烧结液相生成和固结强度的影响规律，探讨低FeO烧结条件下，烧结矿中适宜的配碳量和二元碱度。试验结果表明：降低配碳量或提高碱度，烧结矿中FeO含量均降低；液相流动性随配碳量增加呈先上升后下降的趋势。配碳量为4.0%时液相量达到最高值...

关键词: 烧结 , low-FeO content , carbon addition , basicity , liquid phase fluidity , binding phase strength

基于生石灰吸水性的适宜烧结制粒水分

吴胜利 , 樊佳欣 , 朱娟 , 贝纪承 , 阙志刚

钢铁研究 doi:10.13228/j.boyuan.issn1001-0963.20130360

为了有效发挥生石灰在制粒过程的作用,依据生石灰的吸水特性对烧结料制粒水分进行优化,是值得深入研究的工艺技术问题.考察了固定量配水、满足生石灰完全消化的配水,以及满足生石灰湿容量的配水等3种加水量选取方式,对烧结混合料制粒效果的影响.研究结果表明:烧结制粒过程中生石灰的吸水,一方面消耗于生成Ca(OH...

关键词: 烧结 , 生石灰 , 湿容量 , 制粒水分

烧结-冷却系统的漏风问题

董辉，赵勇，蔡九菊，周节旺，马光宇

钢铁

从余热回收与利用角度，在热工测试的基础上，系统分析了烧结和冷却系统漏风的成因，定量研究了漏风对余热回收与利用的影响，并从减小漏风部位内外压差的角度提出了控制漏风的手段。研究表明，冷却系统漏风使得中国大中型烧结机工序能耗增加3%~4%，烧结系统漏风使得工序能耗增加8%~10%；正确设置冷却段鼓风机全压...

关键词: 烧结 , waste-heat , leakage , recycling , energy

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