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Notebook type stepped emulsification or reaction micro-device module

A micro-device and stepped technology, applied in the field of microfluidics, can solve problems such as droplet or bubble group interference, uneven flow distribution, etc., and achieve the effect of convenient switching of working conditions, simple amplification method, and enhanced uniformity

Pending Publication Date: 2020-11-13
TIANJIN UNIV
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  • Claims
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Problems solved by technology

[0004] The invention provides a "notebook" type stepped emulsification or reaction micro-device module, which solves the problem of uneven flow distribution and interference of liquid droplets or bubble groups in the downstream cavity in the prior art

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  • Notebook type stepped emulsification or reaction micro-device module
  • Notebook type stepped emulsification or reaction micro-device module
  • Notebook type stepped emulsification or reaction micro-device module

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Embodiment Construction

[0026] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0027] The "notebook" type step emulsification or reaction micro-device module structure of the present invention is as follows figure 1 and figure 2 As shown, the dispersed phase enters the dispersed phase buffer chamber 6 through the dispersed phase delivery pipeline 1 and the dispersed phase delivery branch pipeline 5 in sequence, and the continuous phase enters the product collection chamber 9 through the continuous phase delivery pipeline 2 and the continuous phase delivery branch pipeline 11 in sequence. In the micro-device, the dispersed phase enters the product collection chamber 9 through the parallel micro-channel group 7 and the step structure 8 in sequence, and completes the emulsification process to generate monodisperse micro-droplets or bubbles. The tiny droplets or bubbles then flow into the product transport channel 4 throu...

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Abstract

The invention discloses a notebook type stepped emulsification or reaction micro-device module. In the emulsification or reaction process, the placement direction of the device depends on the densityof acontinuous phase and adispersed phase. The module is composed of a dispersed phase and continuous phase conveying pipeline, an emulsification or reaction microstructure device and a product conveying channel, wherein the emulsification or reaction microstructure device is composed of an isosceles triangle-shaped buffer cavity, a microchannel group, a step structure and a product collection cavity, and the emulsification or reaction microstructure device module can effectively solve the problem of distribution uniformity of two-phase flow and the influence of downstream disturbance on upstream droplet or bubble generation.

Description

technical field [0001] The invention belongs to the field of microfluidic technology, and in particular relates to a stepped microstructure device module for two-phase flow emulsification or reaction. Background technique [0002] The micron-scale microchannel size makes the microchemical equipment have a larger specific surface area, which can improve the quality and heat transfer efficiency of the corresponding process. Microchemical engineering can also easily control the flow and residence time of fluids to achieve safe production of toxic, flammable, explosive and other chemicals. Microfluidic chip devices have been commercially applied. For example, the G5 reactor newly developed by Corning in the United States has achieved an annual throughput of 10,000 tons per reactor; , The scale-up method of micro-mixing equipment, designed large and medium-sized micro-chemical devices of 100-ton to 10,000-ton level, and realized industrial applications in the process of nano-cal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J19/00B01F13/00
CPCB01J19/0093B01J2219/00889B01F33/301
Inventor 张志伟付涛涛马友光
Owner TIANJIN UNIV
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