一种乳状液粒径调控装置及粒径预测方法

By designing a particle size control device and prediction method for emulsions, the problem of uneven particle size in emulsions generated by mechanical stirring was solved, realizing the uniform generation and precise control of emulsions in porous media, providing a particle size calculation formula, and improving the accuracy of the experiment.

CN115931654BActive Publication Date: 2026-07-17CHINA UNIV OF PETROLEUM (EAST CHINA)

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA UNIV OF PETROLEUM (EAST CHINA)
Filing Date
2022-11-15
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In existing technologies, the water-in-oil emulsions generated by mechanical stirring have uneven particle sizes, making them difficult to inject into porous media materials. Furthermore, it is impossible to accurately compare the effect of the viscosity of the binary system on the droplet size of the emulsion, and quantitative calculation formulas are lacking.

Method used

The device for controlling the particle size of an emulsion is designed, including a microfluidic chip and an image acquisition device. It generates emulsions with uniform particle size through a micro-injection pump and a microscope camera, and provides a particle size prediction method. It uses microchannel and microscopy technology to control the emulsion generation process.

Benefits of technology

It achieves uniform generation and precise control of emulsion particle size, improves the accuracy of emulsion flow experiments in porous media, and provides a particle size calculation formula for convenient operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

本发明公开了一种乳状液粒径调控装置及粒径预测方法。所述装置包括:油相与连续相注入装置、微流控芯片和图像采集装置。所述油相与连续相注入装置用于提供油相与连续相所需的流动条件。所述图像采集装置包括高速摄像机与显微镜,用于实现实时观测乳状液液滴的生成并进行实时图像采集。所述微流控芯片主要包括三个端口以及激光刻蚀通道。所述三个端口分别为连续相注入端口、油相注入端口以及采出端口,分别用于连续相与油相的注入以及两相流体的采出。所述激光刻蚀通道分别为两条连续相通道、一条油相通道、一条中间通道以及一条下游通道,分别用于两相流体的流动以及乳状液液滴的收集。所述乳状液粒径预测方法包括乳状液生成实验方法和乳状液直径公式拟合方法,分别用于生成大小均匀的乳状液液滴以及回归可预测不同条件下乳状液液滴直径的计算公式。本发明可有效计算出不同条件下生成的乳状液液滴的直径,为乳状液渗流实验的提供有效的制备手段。
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