本装置主要用于破乳剂和原油脱金属剂的筛选。设计处理量为2kg/h,在合适的电场、温度、压力、注水量、注剂量、混合强度及相应的破乳剂作用下，将原油用原油泵抽入装置，经预热器、一级脱盐罐、二级脱盐罐、缓冲罐、最后进入脱盐原油罐。能较好的模拟工业电脱盐的状况。
Dynamic desalting unit;
    　This unit is mainly used to select demulsifier and crude oil demetaling agents .Its designed capacity is 2 kg/h ,under the proper conditions of electric field ,temperature,pressure ,injected water volume ,accessory ingredient volume ,mixed strengthen,and demulsifier etc,the crude oil is filled into the unit by the crude oil pump ,flow through a preheater ,a first-order-desalter,a second-order desalter,and a surge tank ,to a desalted crude oil tank at the end .It can simulate the commercial