Microscopic bubble or drop generating device

A device for generating micro-bubbles, applied in the direction of dissolution, mixers, chemical instruments and methods, etc., can solve problems such as limited application range, complex structure, etc., achieve broad market prospects, stable and reliable operation, and solve micro-bubbles or droplets The effect of the need problem

Inactive Publication Date: 2010-02-17
SOUTH CHINA UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although this device can adjust the bubble diameter to a certain extent, its complex structure limits its application range.

Method used

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  • Microscopic bubble or drop generating device
  • Microscopic bubble or drop generating device
  • Microscopic bubble or drop generating device

Examples

Experimental program
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Embodiment

[0029] Figure 5 It is the bubble diameter distribution diagram obtained by experimenting with air and water as the main phase and dispersed phase respectively. Implementation conditions: if figure 1 In the device shown, the main phase delivery pump 1 is a WZ-50C66T syringe pump from Zhejiang University Medical Instrument Company; the dispersed phase delivery pump 2 is a 40L steel cylinder and a hot gas mass flow controller (Dongguan Dexin Electronic Technology Co., Ltd. Company DSN-S); mixing T-type tee 3 inner diameter is 1mm; distribution T-type tee 4 inner diameter is 0.5mm; first micro valve 5 and second micro valve 7 are SS-723K2 produced by Xiongchuan Valve; outlet pipe 6 The diameter is 3mm. The main phase is water at normal temperature and pressure; the dispersed phase is air at normal temperature and pressure.

[0030]First, the flow ratio of the main phase and the dispersed phase was determined to be 1:10. Then fix the opening of the side branch valve (the first...

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Abstract

The invention discloses a microscopic bubble or drop generating device. A T type channel connected with outside is respectively arranged in a hybrid T type three-way pipe and a distribution T type three-way pipe, a principal phase delivery pump and a disperse phase delivery pump are respectively connected with the two input terminals of the hybrid T type three-way pipe, the output terminal of thehybrid T type three-way pipe is connected with the input terminal of the distribution T type, and the two output terminals of the distribution T type three-way pipe are respectively connected with a first micro valve and a second micro valve; one output terminal of the distribution T type three-way pipe is a bubble or drop generating chamber, the diameter of the bubble or drop generating chamber is 3-5mm, the length is 10-20mm, and the diameter of the T type channels of the hybrid T type three-way pipe and the distribution T type three-way pipe is 0.5-3mm; and the ratio of T type three-way pipe straight branch tube channel length and T type channel caliber is not more than 400. The invention can produce bubbles or drops with the diameter less than 100 microns and has the characteristics ofsimple structure, easy manufacture, simple and easy operation and accurate and reliable control on bubbles or drops.

Description

technical field [0001] The invention relates to a microbubble or droplet generating device, in particular to a precisely controllable microbubble or droplet generating device. technical background [0002] Microbubbles or droplets have a wide range of applications in industry, medicine, and life. Due to the large specific surface area of ​​microbubbles or droplets, their chemical carrying effect is strong, which is an important means to enhance mass transfer. For example, microbubbles in microchemical reactors are widely used in industry to enhance mass transfer, and their efficiency is thousands of times that of ordinary reactors. In medicine, lipid microbubbles are used to carry drugs to treat lesions efficiently. In the aquatic product market, microbubbles are used to achieve oxygenation. Micro-bubble or droplet generation is also a key technology of microfluidic chips, and developed countries are using microfluidic chip technology to revolutionize large-scale chemical...

Claims

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Application Information

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IPC IPC(8): B01F5/06B01F3/04
Inventor 汪双凤何奎黄间珍孙德恩
Owner SOUTH CHINA UNIV OF TECH
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