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with the standard Intermig impeller, the improved one coupled with specially sloped baffles could promote the fluid circulation, create better solids suspension and consume less power. Besides lower... agreement with the experimental data. Key words: CFD; stirred tank; solids suspension; mixing; improved Intermig impeller 1 Introduction In industrial processes, various solid-liquid multiphase flows have......
J. Cent. South Univ. Technol. (2007)06-0737-05 DOI: 10.1007/s11771-007-0140-y Viscoelastic properties of monodisperse spherical silica suspension WU Qiu-mei(伍秋美), RUAN Jian-ming(阮建... properties of the suspension of monodisperse spherical silica produced by hydrolysis of tetraethoxysilane in alcohol solvent with ammonia as a catalyst in polyethylene glycol (PEG) were studied. The results......
results show that with the increase of the dosages of added flocculants, the average settling rate of the synthetic hematite or goethite suspension in the first 1 min speeds up, the supernatant solids... to be digested under the simulated condition of the Bayer process and subsequently diluted with simulative Bayer red mud lotion, then the synthetic hematite or goethite suspension was obtained......
Suspension principle of deep-ocean nodule collectorZHENG Hao(郑皓)1, 2, LIU Shao-jun(刘少军)1, 2, HU Qiong(胡琼)1, 2(1. School of Mechanical and Electrical Engineering, Central South University, Changsha... sure that the nodule collector can walk on the soft sediments of seafloor effectively, suspension principle of deep-ocean nodule collector is proposed. The supporting and driving mechanisms......
黄梅褐铁矿悬浮闪速磁化焙烧试验研究张汉泉1,余永富1,彭泽友2,陈雯2(1.湖北省武汉市武汉理工大学资源与环境工程学院2.长沙矿冶研究院,湖南长沙 410012)摘 要:以湖北黄梅褐铁矿为主要原料,研究焙烧气氛,温度和固气比等操作条件对褐铁矿焙烧指标的影响.研究结果表明:在一氧化碳含量(体积分数)3.50%左右,反应炉温度800~950℃,固气比0.5~0.8kg/m3条件下,通过闪速磁化焙烧得到的焙烧矿,品位在33%左右,可选性良好,采用简单的选矿流程,可得到较好的选矿指标,铁精矿品位达到60.67%,回收率......
Effect of Magnetic Suspension Force in Electromagnetic Stirring on Microstructure of Al-Si Alloy () 摘要:Based on Maxwell equations, the Lorentz force in Al-Si alloy melt was calculated during the process of electromagnetic stirring using analytic approximation method. The effects of magnetic suspension force on the microstructure of Al-Si alloy were given under different electromagnetic......
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Optimization of suspension system of off-road vehicle for vehicle performance improvementM. Mahmoodi-Kaleibar1, I. Javanshir2, K. Asadi2, A. Afkar3, A. Paykani1(1. Department of Mechanical... University of Science and Technology, Tehran, Iran)Abstract:Vehicle suspension design includes a number of compromises to provide good leveling of stability and ride comfort. Optimization of off-road vehicle......