用计算机图像处理技术研究气浮工艺的气泡性质  

The Use of Computer Image Processing Technology in Studying Characteristics of Air Bubbles in Air Floatation Process

作　　者：龚为进[1] 蔡建安[2] 李玲[2] 

机构地区：[1]中原工学院能源与环境工程系,河南郑州450002 [2]安徽工业大学建筑工程学院,安徽马鞍山243002

出　　处：《工业用水与废水》2004年第6期60-62,共3页Industrial Water & Wastewater

基　　金：安徽省自然科学基金资助项目(01045302);安徽省教育厅重点科研项目(2001KJ039zd)

摘　　要：利用计算机图像处理系统分析溶气气浮工艺中的气泡的性质.研究了气泡直径随操作压力、取样时间的变化规律,以及气泡大小对气浮处理效果的影响.结果发现,随着压力由250 kPa增加至350 kPa,气泡直径由120～180μm逐渐变小至60～90μm,气浮处理效果越来越好;随着停留时间由10 min延长至30 min,气泡直径逐渐由60～90μm变大至120～180μm,气浮处理效果反而越来越差.溶气压力为350 kPa,分离时间为10 min时,气浮效果最好.A computer image-processing system was used in studying the characteristics of the air bubbles in dissolved air floatation process. The rule of changes of the diameters of air bubbles with pressure and sampling time, as well as the effect of the sizes of air bubbles on the result of air floatation treatment were studied. The result showed that with the increasing of pressure from 250 kPa to 350 kPa, the diameters of air bubbles were gradually decreasing from 120~180 μm to 60~90 μm, the result of air floatation treatment becoming better and better; with the extension of the retention time from 10 minutes to 30 minutes, the diameters of air bubbles were gradually increasing from 60~90 μm to120~180 μm, while the result of air floatation treatment were getting poorer and poorer. The result of air floatation was the best when the pressure of dissolved air was 350 kPa and the time for separation was 10 minutes.

关 键 词：水处理 图像处理 气浮 气泡 

分 类 号：TP391.77[自动化与计算机技术—计算机应用技术]