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石灰乳旋流分砂试验 被引量:1
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作者 王玉英 孙明 《纯碱工业》 CAS 1991年第5期10-14,共5页
在氨碱法纯碱生产中,石灰乳(氢氧化钙悬浊液)与过滤母液在蒸馏塔内反应,生成氯化钙与氨气,氨气经冷却塔冷却后回系统循环使用.石灰乳在进入蒸馏塔前要经过分砂精制,以除去较大砂粒.本文介绍了采用旋流器分砂精制石灰乳的试验情况.试验... 在氨碱法纯碱生产中,石灰乳(氢氧化钙悬浊液)与过滤母液在蒸馏塔内反应,生成氯化钙与氨气,氨气经冷却塔冷却后回系统循环使用.石灰乳在进入蒸馏塔前要经过分砂精制,以除去较大砂粒.本文介绍了采用旋流器分砂精制石灰乳的试验情况.试验结果表明,只要满足入口灰乳一定的压力要求,均能十分有效地分离出石灰乳中粒径在1.43mm以上的砂子,除砂效率可达90%以上,并且还可以使石灰乳中活性氧化钙得到增浓.因此利用旋流器来精制石灰乳是十分有效的方法,而具有一定的推广使用价值. 展开更多
关键词 碳酸钠 氨碱法 石灰乳 旋流分砂
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Theoretical Predictions of Migration Probabilities of Liquid- Liquid Hydrocyclones Separating Light Dispersions 被引量:7
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作者 赵庆国 马重芳 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 2002年第2期183-189,共7页
Based on Bloor & Ingham's approach for determining the fluid fieldand on the analyses of loci of fluid particles inside hydrocyclones,analytical models are developed for calculating the migrationprobability of... Based on Bloor & Ingham's approach for determining the fluid fieldand on the analyses of loci of fluid particles inside hydrocyclones,analytical models are developed for calculating the migrationprobability of single-cone and two-cone hydrocyclones separatinglight dispersions. The calculated results are in good agreement withThew's correlation at different flow rate, split ratio or fluidproperties if the structural parameters keep the same as those ofThew's 35 mm hydrocyclone. The difference between predictionsaccording to two-cone model and single-cone model is nearlynegligible, which is very close to thew's original idea that majorseparation happens in the small cone-angle zone. 展开更多
关键词 HYDROCYCLONE theoretical model migration probability
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