LL-Coalescers-PALL-颇尔-液液聚结器PPT.ppt

,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,2005 Pall Europe Limited,颇尔液-液聚结器介绍,Liquid/Liquid Coalescers,Presentation,2006-07-01,Types of Emulsions,乳化液类型,水分散在油中,油分散在水中,Emulsion Stability,稳定乳化,水在油中形成反胶囊结构,Emulsion Stability,稳定乳化,空间排斥,Emulsion Stability,稳定乳化,静电排斥,What Does a Liquid/Liquid,Coalescer Do?,聚结器如何工作,1）Capture of small droplets(1-10 microns),捕捉110微米的小液滴,2）Growth or coalescence of small droplets into large drops(millimeter),由小液滴通过碰撞（聚结）成毫米级大液滴,3）,Release of large drops from coalescer medium,大液滴从聚结滤芯介质脱落,4）Separation of drops from continuous phase by gravity/buoyancy(horizontal)or by gravity/separator cartridge(vertical),通过重力或分离滤芯将大液滴分离,e.g.Removing free water from fuel,例如：油中脱水,Coalescing Mechanism,聚结机理,Coalescing Mechanism,聚结机理,Small droplets,小液滴,Large,Droplets,大液滴,Gravity,重力分离,2005 Pall Europe Limited,Liquid/Liquid Coalescers,液-液聚结器原理,Three Stages:,三个阶段,Filtration,过滤,Coalescence,聚结,Separation,分离,Separation of two immiscible liquids,用来分离两种不相溶的液体,2005 Pall Europe Limited,Factors Affecting Coalescence,影响聚结的因素,Interfacial Tension:,IFT,in dyne/cm,界面张力：,IFT，,单位,dyne/cm,Viscosity,Density,流体黏度、密度,Temperature,温度,Presence of additives,表面活性剂,2000 Pall Europe Limited,Innovation from Pall,颇尔的创新,Separation of Emulsions,even when very stable,颇尔可以分离稳定的乳化液,Conventional Coalescers become inefficient at IFT levels below 20 dyne/cm.,传统的产品在液体界面张力低于20,dyne/cm,就会失效,IFT can be as low as 0.5 dyne/cm,颇尔可以分离液体界面张力低于,0.5,dyne/cm,Effective down to solubility limits of the phases,颇尔可以把欲分离的液相除到溶解度的水平,Even if product contains additives,不受表面活性剂的影响,2005 Pall Europe Limited,Caustic removal from LPG,KERO,Gasoline,Diesel,液化气、煤油、汽油和柴油脱硷,IFT=0.512 dynes/cm,Water removal from LPG,KERO,Gasoline,Diesel,液化气、煤油、汽油和柴油脱水,IFT=1524 dynes/cm,Extractive Merox&Amine removal from LPG,Merox,工艺和液化气脱胺,IFT=18 dynes/cm,H/C removal from sour water(SWS protection),酸性水脱油,IFT=0.510dynes/cm,IFTs of fluids of Refinery Pall SLS,炼油厂油品的,IFT,值范围,Liquid/Liquid Coalescers,液-液聚结器的种类,Two types of coalescers:,两种液-液聚结器,AquaSep,Plus,and PhaseSep,一种叫,AquaSep,Plus,另一种叫,PhaseSep,2005 Pall Europe Limited,VERTICAL HOUSING,立式结构,Separation of free water from Fuel or Chemicals IFT at 3dynes/cm,从油中分水，界面张力大于,3dynes/cm,Coalescer cartridge sits on top of Separator,聚结和分离滤芯重叠设计,2005 Pall Europe Limited,乳化液,油出口,预过滤,聚结器,水出口,VERTICAL HOUSING,立式结构,HORIZONTAL HOUSING,卧式结构,IFT 65C up to 150C,使用温度大于,65C,到1,50C,pH values 1 to 13,PH113,PhaseSep,Performance,性能,Separation of Emulsions,From 10%down to the limits of solubility of water/organics(hydrocarbon,solvent),可以将含水（油）10%乳化液分离到溶解度的水平,Designed for separation of very stable emulsions,IFT as low as 0.5 dyne/cm,可以分离界面张力小于0.5,dynes/cm,的稳定乳化液,Large Range Chemical Compatibilty,pH 1 to 13,Maximum operating temperature=150C,化学相容性很宽。,PH1 13,最大使用温度,150,C,PhaseSep,Performance,性能,Removal of Caustic Water in Sulfrex*and Merox*units,可以用于,Sulfrex*,和,Merox*,工艺中从油中,脱除碱液脱除,IFT 1.0 dyne/cm,界面张力,1.0,dynes/cm,Efficiency:,Solubility limits,分离到溶解度的水平,*,SULFREX is a trademark of IFP,*MEROX is a trademark of UOP,Separation of Caustic Water from Cumene,Production of phenol,可以用于苯酚工艺中从异丙苯中脱除碱液脱除,upstream water up to 10%vol.,入口含水10%,downstream sodium Propylene,石脑油 丙烯脱水,Applications,应用,Dehydration Petroleum Products,油中脱水,L/L Coalescers:,over 300 installations,Worldwide,油中脱水的业绩,超过300个,其中国内占40个,Dehydration Petroleum Products,油中脱水,Dehydration Petroleum Products,油中脱水,Applications,Analyser Protection,保护分析仪器,2000 Pall Europe Limited,Applications,Merox*Unit,Sodium 0,5 ppm,Water 15 ppm,System in place since 1995,Finished product now conforms to specification,*,MEROX is a trademark of UOP,2000 Pall Europe Limited,Applications,Merox*Unit,*,MEROX is a trademark of UOP,2000 Pall Europe Limited,Applications,Water treatment,水处理应用,Hydrocarbon Outlet,Boot on top,顶部集油包,Efficiency:Limit of solubility of organic phase in water,分离到油在水中溶解度,Reduction of BOD,降低,BOD,Protection of water treatment station,保护水处理设备,2000 Pall Europe Limited,Finished Product,产品精制,Styrene,Propylene,Cumene,Ammonia,Hydrogen Peroxide,PIB,.,Protection distillation columns,保护蒸馏塔,reboilers,exchangers.,Protection reactors,保护加氢/烷基化反应器,alkylation:prevent dilution of liquid catalyst H2SO4,hydrogenation:protect catalyst bed,Improvement/Replacement of settling stage,取代分液罐改善分离效果,ApplicationsChemical Processes,化工应用,2000 Pall Europe Limited,Applications,炼油最终产品脱水,Remove contaminant from final product,The EndThank you for listening,谢谢！,Pall,PhaseSep and AquaSep are trade marks of Pall Corporation,Indicates that it is registered in the USA,Filtration.Separation.Solution.is a service mark of Pall Corporation,