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Drop coalescence micro characteristic experiment analysis device in shear flow field

A technology of experimental analysis and flow field, applied in measurement devices, analysis materials, material analysis by optical means, etc., can solve problems such as the decline of separation efficiency and the change of produced liquid, and achieve convenient operation, compact layout and rich data base. Effect

Active Publication Date: 2019-04-16
CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, with the change of crude oil extraction methods in oilfields, the properties of the produced fluid have changed, and the separation efficiency of traditional oil-water separation devices has dropped significantly.

Method used

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  • Drop coalescence micro characteristic experiment analysis device in shear flow field
  • Drop coalescence micro characteristic experiment analysis device in shear flow field

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Embodiment Construction

[0035] In order to make the purpose, technical solutions and advantages of the present invention clearer, the following technical solutions in the present invention are clearly and completely described. Obviously, the described embodiments are some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0036] Such as figure 1 As shown, the droplet coalescing microscopic characteristics experimental analysis device in the shear flow field provided by the present invention includes: an image acquisition computer 1, a high-speed microscopic camera 2, a support platform 3, a rotor 4, an injection hole interface 5, and an upper plate 6 , lower plate 7, glass tank 8, syringe pump 9, sample tank 10, stirring paddle 11, constant temperature heating box 12, syringe pump...

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Abstract

The invention provides a drop coalescence micro characteristic experiment analysis device in a shear flow field, which comprises a high-speed microscope camera system, a flat-plate pure shear module,a non-uniform shear module, a micro-channel liquid flow shear module and an injection pump, wherein the outlet of the injection pump is divided into three channels, and the three channels are connected with the flat-plate pure shear module, the non-uniform shear module and the micro-channel liquid flow shear module respectively; a circulating liquid supply system is used to provide the circulatingflow function of liquid for the non-uniform shear module and the micro-channel liquid flow shear module; and the high-speed microscope camera system is used to record and analyze the movement, deformation, fracture and coalescence characteristics of drops in the flat-plate pure shear module, the non-uniform shear module and the micro-channel liquid flow shear module. The micro evolution processessuch as movement, deformation, fracture and coalescence characteristics of dispersed drops can be accurately captured, processed and analyzed.

Description

technical field [0001] The invention relates to the technical field of petrochemical industry, in particular to an experimental analysis device for droplet aggregation and microscopic characteristics in a shear flow field. Background technique [0002] In the process of crude oil extraction, it is easy to form oil-in-water or water-in-oil emulsion. This is because natural active substances such as colloids and asphaltenes in crude oil, as well as surfactants added during the mining process, easily cause an oil-water interface film with a certain mechanical strength to exist on the surface of the dispersed phase droplets, thus giving the dispersion liquid The droplets gather and cause obstruction. [0003] At present, gravity sedimentation and cyclone separation are important ways to realize oil-water separation. However, with the change of crude oil extraction methods in oilfields, the properties of produced fluids have changed, and the separation efficiency of traditional...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/85
CPCG01N21/85G01N2021/8405
Inventor 黄茜龙学渊赵学芬许俊南
Owner CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY
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