Three phase separation equipment for degreasing, concentration and dehydration of oily sludge water

Description :

　　Three phase separation equipment for degreasing, concentration and dehydration of oily sludge water

　　Oil sludge water three-phase separation equipment. In petroleum enterprises, the treatment of oil sludge mainly involves concentrating and dehydrating it, reducing its oil content, and then landfilling or other treatments. The main treatment process is solid-liquid separation, and most oil fields use vacuum filters. The disadvantage is that the filtered oil and water cannot be separated, and the dirty oil enters the sewage treatment system again, increasing the cost of sewage treatment. Based on the characteristics of oil sludge and the process requirements of Daqing Oilfield, Ruichen Company has developed a three-phase separation equipment for oil concentration and dehydration of oil sludge water. Using the principle of liquid-liquid solid three-phase separation, oil, water, and sludge are separated separately by centrifugal force. The oil content in the water phase after separation by a three-phase spiral centrifuge is greatly reduced. The separated oil is discharged into the sewage oil recovery system through pipelines, and the sludge is loaded onto trucks for transportation.

　　Separation principle of oil sludge water three-phase separation equipment:

　　After two liquid phases and one solid phase enter the centrifuge, they are expanded thousands of times by the centrifugal force field. The solid phase is settled under the action of centrifugal force, and the two liquid phases also separate into layers, thus achieving solid-liquid three-phase separation, and are discharged from the body under the action of special mechanisms. The entire feeding and separation process is continuous, closed, and automated.

　　It is mainly composed of components such as drum, screw, differential, frame, housing, and motor. The drum adopts a double cone angle design, and the inner wall of the drum is specially designed with longitudinal concave convex grooves to improve the efficiency of spiral conveying of solid phase. The working surface of the spiral blade has a hard alloy protective layer, which effectively improves the wear resistance life of the spiral blade. The main motor is controlled by the main frequency converter, and the auxiliary motor is controlled by the auxiliary frequency converter. The frequency of the motor can be adjusted arbitrarily. The power supply of the auxiliary frequency converter is provided by the main frequency converter, known as DC common bus power supply. DC common bus power supply realizes energy feedback when the auxiliary motor is in the working state of the generator, which can effectively save electricity.

　　When the material to be separated is transported by the feed pump to the centrifuge drum, the high-speed rotating drum generates strong centrifugal force to settle solid particles with higher density than the liquid phase onto the inner wall of the drum. Due to the different rotational speeds of the screw and the drum, there is relative motion between the two (i.e., adjustable speed difference), and the solid (slag) with higher density settles onto the drum wall. Two phases of clear liquid with different densities form concentric cylinders, with the lighter liquid phase in the inner layer and the heavier liquid phase in the outer layer. The thickness of different liquid rings can be adjusted by adjusting the liquid plate (i.e. the water content in the oil or the oil content in the water can be adjusted). The slag deposited on the wall of the rotary drum is transported by the screw conveyor to the cone end of the rotary drum, and discharged into the solid material tank from the discharge port. Water and oil are discharged from their respective outlets, and the entire three-phase separation process of oil, water, and slag is automatically fed and discharged.

　　The three-phase separation equipment for oil sludge separation is a fully enclosed, fully automatic, and continuous treatment process. The equipment has a small footprint, high degree of automation, low labor intensity, and a clean working environment.

　　The main application scope of the three-phase separation equipment for oil, concentration, dehydration, sludge and water is as follows:

　　Clarify or remove slag and impurities from aged oil in oil fields, waste engine oil, and waste oil from catering, and separate them into three phases. The three-phase separator is a key equipment in the pretreatment of kitchen waste. It separates the solid and liquid (oil and water) in the waste, especially the oil and water. The recovered oil has certain economic value and can be sold directly. In addition, residual oil also has a inhibitory effect on the subsequent anaerobic treatment of biogas production. Therefore, the equipment is required to separate the oil as cleanly as possible.

AfterSalesService :

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