Liquid drop subdivision device and method

A droplet and liquid technology, applied in liquid ejection devices, ejection devices, etc., can solve the problems of inability to meet the needs of use, different sizes of droplets, etc., and achieve the effect of good volume consistency and small liquid flow pulsation

Pending Publication Date: 2019-07-23
JIANGHAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The embodiment of the present invention provides a device and method for subdividing liquid droplets, which can solve the problem that the volume of liquid droplets in the prior art is different and cannot meet the needs of use

Method used

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  • Liquid drop subdivision device and method
  • Liquid drop subdivision device and method
  • Liquid drop subdivision device and method

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Embodiment Construction

[0031] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0032] An embodiment of the present invention provides a device for subdividing liquid droplets. figure 1 It is a schematic structural diagram of a droplet subdividing device provided by an embodiment of the present invention. see figure 1 , the device includes a needle 10 , an air source 21 , an air valve 22 , a control motor 31 , a screw 32 , a piston 33 , a cylinder 34 , a support frame 35 , a transmission mechanism 36 and a controller 40 . The input port of the air valve 22 communicates with the air source 21 , the output port of the air valve 22 communicates with the first input port of the needle 10 , and the control end of the air valve 22 and the control end of the control motor 31 are respectively electrically connected to th...

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PUM

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Abstract

The invention discloses a liquid drop subdivision device and method and belongs to the technical field of liquid treatment. The device comprises a syringe needle, an air source, an air valve, a control motor, a screw rod, a transmission mechanism, a piston, a cylinder barrel, a supporting frame and a controller, wherein an input port of the air valve communicates with the air source, and an outputport of the air valve communicates with a first input port of the syringe needle; the control end of the air valve and the control end of the control motor are electrically connected with the controller correspondingly; an output shaft of the control motor is in screw driving with the first end of the screw rod through the transmission mechanism, and the second end of the screw rod is fixedly connected with the piston; the cylinder barrel and the transmission mechanism are arranged on the supporting frame; the portion between the first need and the second end of the screw rod penetrates through the first end of the cylinder barrel; the second end of the cylinder barrel communicates with a second input port of the syringe needle; and the piston is slidably arranged in the cylinder barrel.The liquid drop subdivision device and method can meet the using requirements of users.

Description

technical field [0001] The invention relates to the technical field of liquid processing, in particular to a device and method for subdividing liquid droplets. Background technique [0002] Droplets refer to fine liquid particles that can settle under static conditions and remain suspended under turbulent conditions, with a main particle size below 200 μm. [0003] When forming droplets, in order to control the volume of the droplets, it is necessary to select needles with different inner diameters, the smaller the inner diameter of the needles, the smaller the volume of the formed droplets. At present, the inner diameter of the thinnest needle is 0.16mm. Due to the surface tension of the liquid, only droplets with a diameter of about 2mm can be obtained. In order to obtain a smaller volume of liquid, the existing technology sends compressed air and liquid into the needle at the same time, and the compressed air cuts the liquid, forming a droplet with a smaller volume than ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B7/04B05B7/26
CPCB05B7/0416B05B7/262
Inventor 卢俊辉刘旗镇质
Owner JIANGHAN UNIVERSITY
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