Abstract

The new methods of negative pressure suction and curved surface diversion are presented to improve oil-water separation in oil spill mechanical recovery. With the negative pressure suction, the oil-water mixture recovered by skimmer is inhaled into separator smoothly and bigger oil droplet is obtained. With curved surface diversion, the oil droplets in the separator obtain a base upward velocity in the flow field and rapid separation is achieved. By the simulation and analysis of separation process, the density and viscosity of oil droplet have small influence on the separation speed, so the methods of negative pressure suction and curved surface diversion can be utilized to fulfill oil-water rapid separation in oil spill mechanical recovery. Keywords-oil spill; mechanical recovery; skimmer; oilwater separation

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