| 基于CFD技术优化50 L发酵罐内气体分布器 |
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| 引用本文： | 张小龙,李啸,叶晗,罗宇笛,肖泽涛,裴宇鹏.基于CFD技术优化50 L发酵罐内气体分布器[J].农业技术与装备,2020(3):28-29,31. |
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| 作者姓名： | 张小龙 李啸 叶晗 罗宇笛 肖泽涛 裴宇鹏 |
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| 作者单位： | 三峡大学 生物与制药学院 中国轻工业酵母功能重点实验室,湖北 宜昌,443003;三峡大学 生物与制药学院 中国轻工业酵母功能重点实验室,湖北 宜昌 443003;安琪酵母股份有限公司,湖北 宜昌 443003;安琪酵母股份有限公司,湖北 宜昌,443003 |
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| 摘 要： | 通过CFD模拟技术对50L通气搅拌发酵罐内不同气体分布器的传质混合效果进行气液双相流模拟。首先对发酵罐自带气体分布器进行流场模拟,针对模拟结果提出两种改进气体分布器。结果表明:双层环形气体分布器表现出一种较理想的混合传质效果,为此类发酵罐的优化和放大提供一种有效的技术手段。
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| 关 键 词： | CFD模拟 流场 混合传质 气体分布器 |
Optimization of the Gas Distributor in a 50L Fermenter Based on CFD Technology |
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| Zhang Xiaolong,Li Xiao,Ye Han,Luo Yudi,Xiao Zetao,Pei Yupeng.Optimization of the Gas Distributor in a 50L Fermenter Based on CFD Technology[J].Agricultural Technology &Equipment,2020(3):28-29,31. |
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| Authors: | Zhang Xiaolong Li Xiao Ye Han Luo Yudi Xiao Zetao Pei Yupeng |
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| Affiliation: | (China Light Industry Key Laboratory of Yeast Function,College of Biology and Pharmacy,China Three Gorges University,Yichang 443003,Hubei,China;Angel Yeast Co.,Ltd.,Yichang 443003,Hubei,China) |
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| Abstract: | The CFD simulation technology was used to simulate the gas-liquid two-phase flow for the mass transfer and mixing effects of different gas distributors in a 50L aerated stirred tank.The flow field of original gas distributor in the fermentation tank was simulated,then two improved gas distributors were proposed based on the simulation results about original gas distributor.The results show that the double-layer annular gas distributor exhibits an ideal mixed mass transfer effect,and provides an effective technical means for the optimization and enlargement for such fermenters. |
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| Keywords: | CFD simulation flow field mixed mass transfer gas distributor |
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