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Prediction of suitable water content in granulation of sintering mixture based on Litster's model

Journal of Iron and Steel Research(International) 2024年第3期31卷 552-560页

作者： Fang-lei Dai Xiao-hui Fan Xiao-xian Huang Xu-ling Chen Min Gan Zhi-yun Ji Zeng-qing Sun School of Minerals Processing and Bioengineering Central South UniversityChangsha 410083HunanChina

Suitable water content plays a decisive role in the granulation of sintering ***,a method was proposed to predict the suitable water content for effective granulation on the basis of Litster's granulation *** granulation effectiveness of a sintering mixture was predicted by the model,with the allowance error of±10%.The effects of the water absorption properties,particle size composition and content of adhesive particles on the suitable water content were *** results showed that the allowable error of prediction was within±0.5%compared to the experimentally determined suitable water *** an increase in adhesive powder content of mixtures with higher water absorption,the suitable water content increased to achieve similar granulation ***,as the amount of concentrates increased,the suitable water content first increased and then remained *** influence of the water absorption characteristics of the adhesive particles on the suitable water content was less than that of their particle size composition in the mixture.

关键词： Adhesive particle sintering mixture Granulation effectiveness Suitable water content

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MICROCOMPUTER CONTROL SYSTEM FOR MOISTURE OF sintering mixture

MICROCOMPUTER CONTROL SYSTEM FOR MOISTURE OF SINTERING MIXTU...

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The Second International Conference on Measurement and Control of Granular Materials

作者： Li Xinguang Lu Tiezhuang Zhang Hongxun P.O.Box321,Northeast University of Technology Shengyang,110006 P.R.China Wang Jiachun Shenyang TV University,Shenyang,110003 P.R.Chian Jin Wei Benxi College of Metallurge,Liaoning,117022 P.R.China

The moisture of sintering mixture influences directly sintering quality and out- *** is very difficult to control the moisture of sintering mixture with hot mineral returning from the sintering *** thesis puts forward a feedforward—feedback control method which adopts mictocomputer to control the moisture of sintering mixrure on the condition of existing technology of old sintering plant in China,many disturbs and largy system ***- cording to different technological parameters,different feedforward coefficients are used in feedforward *** PI feedback control is connected with personal *** standard error of moisture has already been less than ±0.5gram(absolute error of moisture for 100 grams of materials.)

关键词： steel industry sintering mixture moisture control feedforward feedback

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