充气水力旋流器净化含油污水的实验与应用研究  

Experimental study on purifying oily wastewater by air-sparged hydrocyclone and its application

作　　者：王嘉麟[1] 陈春茂[1] 杨双春[1] 阎光绪[1] 郭绍辉[1] 

机构地区：[1]中国石油大学环境中心,北京102249

出　　处：《现代化工》2008年第3期62-64,66,共4页Modern Chemical Industry

摘　　要：充气水力旋流器（ASH）结合了气浮和旋流器的技术优点，是一种高效油水分离设备。利用自制ASH开展净化含油污水的实验研究，介绍了充气旋流分离的基本原理、设备结构、实验工艺流程，较为系统地研究了各种参数对分离性能的影响，对于含油质量浓度800mg／L的炼油污水，最佳进料量为5．0m^3／h、气液体积比在0．30～0．35、分流比为0．16～0．18时，ASH分离效率最高达82％，所分离油滴粒径下限为4μm。ASH现场中试表明其分离效率平均达到74．7％，可以替代含油污水处理流程中的隔油段，ASH在含油污水处理领域将有广泛的应用前景。The air-sparged hydrocyclone （ASH） is a new pattern of oil/water separator which combines the advantages of flotation machine and hydrocyclone. The effect of different structural and operating parameters of ASH on the separation performance is studied in a series of purifying oily wastewater experiments, and basic separation principle and structure of ASH and experimental process are introduced. The result shows that the ASH can effectively separate about 82% of oil from oily wastewater while operated under the optimum conditions ： flow rate of 5.0 m^3/h, gas-liquid volume rate, 0.30 - 0.35, split ratio, 0.16 - 0.18, and the lower limit size of the oil particle separated is about 4μm. The site pilot experiment also indicates that a 74.7 % separation efficiency is attained by adopting ASH, which can replace the oil separation pool in oily wastewater treatment process, and it has an extensive application future in the field of oily wastewater treatment.

关 键 词：充气旋流分离器 含油污水 分离效率 粒径 

分 类 号：TQ028.46[化学工程]