本裝置主要用于破乳劑和原油脫金屬劑的篩選。設計處理量為2kg/h,在合適的電場、溫度、壓力、注水量、注劑量、混合強度及相應的破乳劑作用下，將原油用原油泵抽入裝置，經預熱器、一級脫鹽罐、二級脫鹽罐、緩沖罐、最后進入脫鹽原油罐。能較好的模擬工業電脫鹽的狀況。
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