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Improved oil-water separation device

An oil-water separation device and an improved technology are applied in the field of the improved oil-water separation device and the improved oil-water separation device, which can solve the problems of increased separation difficulty, easily broken oil droplets, and narrow application range, and achieve a compact and good device structure. Compatibility and low energy consumption

Pending Publication Date: 2019-03-22
NO 719 RES INST CHINA SHIPBUILDING IND
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  • Claims
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Problems solved by technology

The centrifugation method is to put the oil-water mixture in the equipment, and through the high-speed rotation of the equipment, the difference in the density of the oil phase and the water phase causes the centrifugal force to be different, so that the oil phase and the water phase are separated. The centrifugation method has the characteristics of easy use and small volume , but in high-speed rotation, oil droplets are easily broken into smaller droplets, which increases the difficulty of separation
The biological method is to separate oil and water through microorganisms, which is relatively expensive and has a narrow scope of application.

Method used

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specific Embodiment approach

[0020] Below in conjunction with accompanying drawing and example, the present invention is described in further detail, and specific implementation is as follows:

[0021] Such as Figure 1~2 As shown, an improved oil-water separation device includes a mixture inlet 1 , a drive shaft 2 , an impeller 3 , an acceleration zone 4 and a separation zone 5 .

[0022] Among them, the separation zone 5 adopts a spiral pipeline with a rectangular cross-section. Inside the pipeline, the wall near the acceleration zone 4 is an oil-friendly and hydrophobic inner wall 6, and the wall on the side away from the acceleration zone 4 is a hydrophilic-oleophobic outer wall. 7.

[0023] The transmission shaft 2 is located at the center of the device, from which the impeller 3 and the separation area 5 are in turn outward, the impeller 3 is fixedly connected to the outside of the transmission shaft 2, the external motor drives the transmission shaft 2 to drive the impeller 3 to rotate, and a mixt...

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Abstract

The invention relates to an improved oil-water separation device and belongs to the technical field of multi-phase flow control. A driving shaft in the device is located on a central position; an impeller and a separation area are successively arranged from the central position to exterior; the impeller is fixedly jointed on the outer side of the driving shaft; an external motor is used for driving the driving shaft to drive the impeller to rotate; a mixture inlet is formed above the impeller; the driving shaft and the impeller are located in an accelerating region; the shape of the accelerating region is matched with the shape of the impeller; the accelerating region is connected with the separation area through a port. The device utilizes the characteristics of gravity method and centrifugation method to avoid defects of centrifugation method and utilizes the characteristics of super-hydrophobic super-oleophilic materials to promote separation effect of small oil drops.

Description

technical field [0001] The invention relates to an improved oil-water separation device, in particular to an improved oil-water separation device for separating oil-water mixture, and belongs to the technical field of multiphase flow control. Background technique [0002] In industrial production, the oil-water separation of oily sewage has become an important technical issue at present. The efficiency and applicability of separation technology directly affect the quality and cost of separation in industry. At present, the commonly used oil-water separation methods mainly include gravity method, centrifugation method and biological method. The gravity method uses the different densities of the oil phase and the water phase to make the oil phase float and separate under the action of gravity after standing still. big space. The centrifugation method is to put the oil-water mixture in the equipment, and through the high-speed rotation of the equipment, the difference in the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D17/022B01D17/038
CPCB01D17/0217B01D17/02
Inventor 刘翱汪利鲁民月曹为午李红钢苏胜利
Owner NO 719 RES INST CHINA SHIPBUILDING IND
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