New high efficiency oil-water separation equipment experimental research
oil/water separation equipment centrifugal separation process is the main mechanism of the use of centrifugal force instead of gravity, the implementation of two phase or multiphase separation task. And the press. 。 。
（ Cover: new high efficiency oil-water separation equipment experimental study)
zhengzhou's source extraction developed new oil-water separator working principle of oily water separator, and in several domestic oilfield pilot test. The test results show that the oil-water separator treatment effect is quite obvious, oil removal rate is an average of 94. 59%, with considerable economic, social and environmental benefits.
oil/water separation equipment centrifugal separation process is the main mechanism of the use of centrifugal force instead of gravity, the implementation of two phase or multiphase separation task. And according to the centrifugal force occurred in different ways. And can be divided into the hydrocyclone technology and spiral pipe, etc. The hydrocyclone technology, which is caused by flow or mechanical rotating fu r not miscibility and centrifugal force of two kinds of medium and the separation of a technology. The main rely on hydrocyclone separation equipment. And centrifugal force is the main power, the settlement of particles to produce the size of the
type centrifugal acceleration of rw squared instead of gravity sedimentation in the acceleration of gravity g to describe the sedimentation characteristics of particles. : it should be noted that the centrifugal acceleration is along the radius direction, and it is: the function, usually, centrifugal separation of oil and water need to be done within the cyclone. Within the cyclone, the fluid movement is a complex 3 d rotation, the rotating movement, also known as spiral movement of the fluid. The multiphase mixture in cyclone separation process, is the process of fluid vortex formation, development and dissipation.
the world using the hydrocyclone for oil water separation arose in the 80 s of the 20th century, the domestic oil fields in the early 1990 s began to introduce the hydrocyclone for oil water separation. Due to the centrifugal separation can greatly improve the particle settling velocity, the smaller and the difference in density between dispersed particles diameter smaller mixture, all have good separation effect. Figure 4 is a liquid hydrocyclone structure diagram, entrance, column section, mainly by the hydrocyclone cone section, bottom of LiuKou and overflow outlet. Hydrocyclone separation principle and process for: for separation of oil-water mixture through tangential inlet into the cyclone body, form a high-speed rotating flow field, by using the density difference between oil and water, the heavy water were thrown to the side wall, and flowed from bottom LiuKou spiral downward movement, while the light phase oil in the center of the cyclone near nuclear formation oil, from the top of the overflow hole, so as to achieve the purpose of oil-water separation. Hydrocyclone has small volume, light weight, high separation efficiency, the advantages of no moving parts, easy maintenance, is the popularization and application of the onshore and offshore oil field in recent years, the key of oil-water separation devices, but also existing hydrocyclone is sensitive to geometric structure parameters, if improper parameter design, the strong rotational flow field in the cyclone to worsen oil droplets broken emulsification and separation process. At the same time, the hydrocyclone for fluid flow and nature of demand is relatively stable, poor universality and high automatic control weaknesses.
through the observation of the experimental phenomena, as you can see, DE source extraction of oil-water separator effect is quite obvious, oil removal rate can reach 94. 59%, it ADAPTS to the safe operation of the stability in different site conditions. Rehabilitation of existing oilfield wastewater treatment process which not only provides a reliable technical method, and the design of oilfield wastewater treatment process for the future provide a reliable design basis. After use, will give each big oilfield brings considerable economic, social and environmental benefits.
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