脱硫废水零排放工艺振动膜+烟道蒸发.ppt

**Traditionalcrossflowmembranesplugandfoulbecausethemajorityofshearcreatedbytheturbulentflowisawayfromtheboundarylayerandcannotefficientlyremoveretainedparticles.Thisinefficientuseofshearaccountsfortheeventuallossoffluxexperiencedintraditionalsystemsovertime.VSEP’svibrationalenergyfocusesshearwavesatthemembranesurfacerepellingsolidsandfoulantswithintheboundarylayer.Thispatentedmethodallowsforhighconcentrationswhilemaintaininglongtermsustainedratesupto10to15timeshigherthatconventionalfiltrationsystems.2016copyrightreservedDunwellGroup脱硫废水零排放工艺振动膜+烟道蒸发

何守昭

香港正昌资源及科技有限公司DunwellVMATCo.,Ltd.常规零排放工艺2016copyrightreservedDunwellGroup机械蒸汽再压缩循环蒸发技术+晶种法技术高效反渗透膜+MVR大通道蝶式膜技术+MVR电渗析+MVR常规处理法2016copyrightreservedDunwellGroup213有一点事共通：必需软化膜受不了MVR受不了常规处理法2016copyrightreservedDunwellGroup才能进入蒸发器回收水每年软化费用RMB8,760,000元每吨脱硫废水软化成本RMB30~50元因浓度太高，膜技术也不能用每年投药量8,760吨(219辆40呎货柜)投入大量生石灰和碳酸钠软化，40kg/m3以一间有2台600MW发电机的电厂，每小时产生25m3脱硫废水如何减少蒸发？2016copyrightreservedDunwellGroup蒸发的运行费用和吨水投资非常高如何减少蒸发？先要明白卷式RO膜的限制：通道较窄剪切力不足010302溶解度2016copyrightreservedDunwellGroup卷式膜结垢2016copyrightreservedDunwellGroup通道较窄，易产生结垢结垢除硬2016copyrightreservedDunwellGroup脫硫廢水是高濃度游離狀的Ca2+、Mg2+、HCO3-01需投入大量石灰水CaOH2和碳酸鈉Na2CO3軟化02化学除硬增加单价盐03对整体浓缩比提高没有帮助04反而增加固废、增加劳动力05振动膜本身就是除硬的技术06采用烟道雾化蒸发结晶07震动膜通道较宽2016copyrightreservedDunwellGroup结晶基础理论2016copyrightreservedDunwellGroup表面结晶粒状结晶利用超頻震動加強剪切力的薄膜過濾技術震动膜工作原理2016copyrightreservedDunwellGroup多層式平張薄膜一次性或批次式過濾膜組在扭力彈簧上扭動震动膜工作原理2016copyrightreservedDunwellGroup?-1?”@52Hz輸入低能量產生強大剪切力振动膜设备外观2016copyrightreservedDunwellGroup震动膜设计流程2016copyrightreservedDunwellGroup产水外观2016copyrightreservedDunwellGroup出現物理性沉澱脱硫废水第一级浓液第二级浓液 清液模拟与检测比较2016copyrightreservedDunwellGroup进水ug/g振动膜模拟产水ug/g振