U-tc-s series of unique three-phase separator adopts liquid pretreatment, plate and groove liquid distribution, based on the technical flow environment of mechanical demulsification, high-efficiency packing coalescence and rectification, automatic control of oil-water level and interface, separation with chemical demulsifier, small resistance of separator, large flow, high dehydration efficiency, and high automation. working principle: The mixture of oil, gas and water enters into the pre degassing chamber at a high speed, and a large amount of associated gas of crude oil is separated by cyclonic separation and gravity. After pre degassing, the mixture of oil and water enters into the distributor and water washing chamber at a high speed through the diversion pipe, and then it is washed and demulsified in the active water layer containing demulsifier for steady flow, reducing the Reynolds coefficient of the incoming liquid, and then flows into the settling separation chamber for further settling and separation after coalescence and rectification. The crude oil is degassed The separator is turned over to enter the oil chamber, metered by the flowmeter, and then flows out of the separator after control. The water phase enters the water chamber through the conduit through the pressure balance, so as to achieve the purpose of oil gas water three-phase separation. Technical characteristics 1. High dehydration quality. It can realize that the raw oil with high water content can reach the standard of qualified purified oil after being treated by the equipment, and the oil content of sewage is less than 300mg / L 2. Large processing capacity. It is 2-3 times of ordinary three-phase separator; 3. Liquid content in outlet gas ≤ 0.05g/nm3 4. Water content of export crude oil ≤ 0.3%