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A Uniformly Dispersed Airflow Buffer Mechanism Applied to Electrospinning Box

An electrospinning and uniform dispersion technology, applied in textiles and papermaking, filament/thread forming, fiber processing, etc., can solve the problems of solvent volatilization and uneven deposition of submicron fibers, so as to avoid local differences and reduce The effect of velocity

Active Publication Date: 2021-07-02
DONGHUA UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Electrospinning equipment for sub-micron fibers prepared in large quantities often requires a very long spinning box. At this time, the temperature, humidity and air circulation in the box often change with the volatilization of organic solvents and the movement of the collection device. , resulting in uneven deposition of submicron fibers and difficulty in solvent evaporation

Method used

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  • A Uniformly Dispersed Airflow Buffer Mechanism Applied to Electrospinning Box
  • A Uniformly Dispersed Airflow Buffer Mechanism Applied to Electrospinning Box

Examples

Experimental program
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Effect test

Embodiment

[0031] figure 1 It is a schematic diagram of the device of the present invention. The fan rotates and sends high-speed airflow into the ventilation duct 2, and enters the electrospinning box 1 through the ventilation opening 3. The high-speed air flow first passes through the baffle 4, and when passing through the baffle 4, the movement is blocked, and flows through the gap between the baffle 4 and the inner wall of the electrospinning box 1, and then passes through the baffle 6, and the air flow passes through the baffle 6. At this time, the air flows through the baffle plate 6 to change the flow direction, and at this time, the air flows vertically upwards.

[0032] Immediately afterwards, the air flow passes through the multi-layer orifice plate 7, and flows through the holes of the multi-layer orifice plate 7. A uniform area is formed between every two adjacent orifice plates 7, and the air flow in the uniform area passes through the other after mixing. On the orifice pla...

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Abstract

The invention relates to a uniformly dispersed airflow buffer mechanism applied to an electrospinning box, which includes an electrospinning box and a fan group. The lower end of the electrospinning box is provided with several vents and a Fan group, the inside of the electrospinning box is sequentially installed with non-woven fabrics, multi-layer orifice plates and baffles from top to bottom, and the bottom of the baffles is located above each vent. A spoiler. The invention can obtain uniform and dispersed airflow, can effectively reduce the flow velocity of the airflow in the electrostatic spinning box, and avoid local differences in the temperature and humidity of the airflow in the box.

Description

technical field [0001] The invention relates to the technical field of electrospinning devices, in particular to a uniformly dispersed airflow buffer mechanism applied to an electrospinning box. Background technique [0002] As we all know, electrospinning technology is a technology for preparing submicron fibers in batches. The submicron fiber prepared by this method has many incomparable advantages. However, during the electrospinning process, the stretching and trajectory of the generated jet are greatly disturbed by the ambient temperature, humidity and surrounding air. Therefore, the uniform preparation of electrospun submicron fibers needs to maintain a relatively stable environment. Electrospinning equipment for sub-micron fibers prepared in large quantities often requires a very long spinning box. At this time, the temperature, humidity and air circulation in the box often change with the volatilization of organic solvents and the movement of the collection device....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D01D5/00
CPCD01D5/0061
Inventor 覃小红李艾琳王荣武
Owner DONGHUA UNIV
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