| 搅拌槽内液滴大小分布的研究 |
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| 引用本文： | 张燕敏,王英琛.搅拌槽内液滴大小分布的研究[J].化工学报,1989,40(1):118-122. |
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| 作者姓名： | 张燕敏 王英琛 |
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| 作者单位： | 北京化工学院化学工程系,北京化工学院化学工程系,北京化工学院化学工程系,北京化工学院化学工程系 北京
,北京
,北京
,北京 |
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| 摘 要： | 对框板式搅拌桨,在直径分别为184、287、494mm的三个椭圆底槽内,用航空煤油、四氯化碳混合物——无离子水体系,采用取样显微照相法,利用新型的图像分析仪测定液滴大小分布.从分散机理得到模型关系,用实验数据拟合模型参数得到液滴大小分布随设备几何参数、操作参数和相比的变化关系.据此得出放大准则,可为此类搅拌槽的放大提供依据.
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| 关 键 词： | 搅拌槽 液滴分布 框板式桨 |
Drop Size Distribution in Stirred Tanks |
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| Zhang Yanmin,Wang Yingchen,Lin Mengliu and Shi Litian.Drop Size Distribution in Stirred Tanks[J].Journal of Chemical Industry and Engineering(China),1989,40(1):118-122. |
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| Authors: | Zhang Yanmin Wang Yingchen Lin Mengliu and Shi Litian |
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| Affiliation: | Zhang Yanmin,Wang Yingchen,Lin Mengliu and Shi Litian
(Department of Chemical Engineering,Beijing Institute of Chemical Technology,Beijing) |
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| Abstract: | By using the trapping microphotographical technique, the drop size distribution of the aviation kerosene and carbon tetrachloride mixture-deionized water system has been measured in three stirred tanks of 184, 287 and 494 mm in diameter with impellers of the frame-plate type. Based upon the mechanism of dispersion, model relations have been proposed and the model parameters determined by experiments. So a relation of the variation of drop size distribution with equipment geometry, operation parameters and phase ratio has been given. According to this relation, some relevant scale-up criteria have been obtained. |
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