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A strong turbulent shear microchannel oil-water separation device

An oil-water separation device and microchannel technology, applied in separation methods, liquid separation, immiscible liquid separation, etc., can solve the problems of low separation efficiency of small droplets, high energy consumption, large investment, etc., and achieve high-efficiency demulsification Effect

Active Publication Date: 2022-02-01
SOUTHEAST UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Technical problem: The purpose of this invention is to provide a strong turbulent shearing microchannel oil-water separation device to solve the problems of complex equipment structure, large investment, high energy consumption, and low efficiency of small droplet separation in the prior art.

Method used

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  • A strong turbulent shear microchannel oil-water separation device
  • A strong turbulent shear microchannel oil-water separation device

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Experimental program
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Effect test

Embodiment 1

[0035] For a strong turbulent shear microchannel oil-water separation device, see figure 1 , the oily wastewater storage tank 1 is used to place oil and water, start the oily water delivery pump 2 to extract the oily water from the oily wastewater storage tank 1, and enter the pneumatic liquid booster pump 4 through the oily water delivery pipe 3, and the pneumatic liquid booster pump 4 is in the external low-pressure air Driven by the pressure, the oil-water mixture is effectively pressurized and then enters the microchannel 7 through the connecting pipe 5. At the same time, the pressure of the high-pressure liquid is detected by the pressure gauge 6. The high-pressure liquid generates a strong turbulent shear flow field in the microchannel 7, realizing High-efficiency demulsification of the oil-water two-phase, the liquid after demulsification enters the oil-water separation tank 9 through the liquid collection pipe 8 for collection, and what is collected is the liquid in whi...

Embodiment 2

[0038] For a strong turbulent shear microchannel oil-water separation device, see figure 1 , the oily wastewater storage tank 1 is used to store oil and water, start the oily water delivery pump 2 to extract the oily water from the oily wastewater storage tank 1, and enter the pneumatic liquid booster pump 4 through the oily water delivery pipe 3, and the pneumatic liquid booster pump 4 is externally low pressure Driven by the air, the oil-water mixture is effectively pressurized and then enters the microchannel 7 through the connecting pipe 5. At the same time, the pressure of the high-pressure liquid is detected by the pressure gauge 6. The high-pressure liquid generates a strong turbulent shear flow field in the microchannel 7. Realize the efficient demulsification of the two phases of oil and water. The liquid after demulsification enters the oil-water separation tank 9 through the liquid collection pipe 8 for collection. The liquid in the upper layer is oil and the lower l...

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Abstract

The invention provides a strong turbulent shearing microchannel oil-water separation device, which comprises an oily wastewater storage tank (1), an oil-water delivery pump (2), an oil-water delivery pipe (3), and a pneumatic liquid booster pump ( 4), connecting pipe (5), microchannel (7), liquid collecting pipe (8) and oil-water separation box (9); a pressure gauge (6) is provided on the connecting pipe (5), and on the oil-water separation box ( 9) The oil phase liquid outlet (10) and the water phase liquid outlet (11) are respectively provided on the top, the oil phase switch valve (12) is installed at the front end of the oil phase liquid outlet (10), and the water phase liquid outlet (11) The front end is equipped with a water phase switch valve (13); the device of the present invention has the advantages of small equipment investment, high oil-water separation efficiency, continuous operation of the purification process of oily sewage, etc., and can be widely used in various Efficient purification treatment of oily and dusty wastewater.

Description

technical field [0001] The invention relates to a strong turbulent flow shearing microchannel oil-water separation device, which belongs to the field of oily and dusty sewage treatment. Background technique [0002] Liquid-liquid two-phase separation is an important operation unit in the chemical process, and is widely used in various important processes such as crude oil collection, petroleum transportation, reaction separation, extraction, and sewage treatment. Oily sewage mainly comes from petrochemical, iron and steel, coking, gas generation stations, mechanical processing and other industrial sectors, as well as ballast water of large ships. Except for heavy tar, the relative density of oil pollutants in wastewater is generally less than 1 . If the oily sewage is not recycled, it will cause waste on the one hand, and on the other hand, if it is discharged into rivers, lakes or bays, it will cause serious water pollution and affect the survival of aquatic organisms. Whe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D17/04
CPCB01D17/044
Inventor 骆培成褚向军刘松琴张袁健李进朱键
Owner SOUTHEAST UNIV
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