Liu Fengxia   

Associate Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

Title : 化工机械与安全实验室副主任

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Language:English

Paper Publications

Title of Paper:微曝氧化沟气泡羽流氧输运特性研究

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Date of Publication:2019-03-28

Journal:常州大学学报(自然科学版)

Volume:31

Issue:2

Page Number:19-26

ISSN No.:2095-0411

Key Words:气泡羽流;氧传质;曝气充氧性能;动力效率;优化工况

Abstract:氧化沟工艺中曝气装置是耗能最大的部分,为达到节能降耗的目的,以清水为液相环境,对微曝氧化沟内充氧性能进行实验研究.基于氧传质理论,研究微曝氧化沟复杂流动条件下气泡羽流氧传质过程,分析曝气量、横向推流强度和曝气器布置方式对曝气充氧性能的影响,得出最优实验工况.横向流动可提高氧体积传质系数;均匀布置微孔曝气器可使增氧能力提高35%.综合考虑体积传质系数和系统动力效率,获得最优实验工况,为实现氧化沟工艺的节能降耗和优化运行提供理论依据.

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