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Coke Collapse Model and Collapse Profile Variation Law for Bell-Less Top BF

WU Sheng-li , FU Chang-liang , LIU Cheng-song , XU Jian , KOU Ming-yin

钢铁研究学报(英文版)

The mathematical model of minimum safety factor that investigated the collapse trends of coke layer under different charging parameters was established firstly on the basis of the slope stabilization theory in soil mechanics, and then the model of burden profile after coke collapse was improved by a...

关键词: blast furnace , coke layer stability , safety factor , coke collapse , burden profile

Improvements on Calculation Model of Theoretical Combustion Temperature in a Blast Furnace

WU Sheng-li , LIU Cheng-song , FU Chang-liang , XU Jian , KOU Ming-yin

钢铁研究学报(英文版)

On the basis of the existing originally modified calculation models of theoretical combustion temperature (TCT), some factors, such as the combustion ratio of pulverized coal injection (PCI), the decomposition heat of PCI and the heat consumption of SiO2 in ash reduced in high temperature environmen...

关键词: blast furnace , theoretical combustion temperature , improved calculation model

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

Low Temperature Reduction Degradation Characteristics of Sinter, Pellet and Lump Ore

WU Sheng-li , LIU Xiao-qin , ZHOU Qi , XU Jian , LIU Cheng-song

钢铁研究学报(英文版)

The reduction degradation characteristics of typical sinter, pellet and lump ore were tested with the reducing gas conditions simulating two kinds of iron-making processes. The results show that, in the same condition of gas composition and temperature, the reduction degradation degree (RDI＜3.15 mm)...

关键词: sinter , pellet , lump ore , low temperature reduction degradation characteristic , gas property

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