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A bubble liquid film spinning device

A spinning device and liquid film technology, applied in the field of spinning, can solve problems such as easy breakdown of air and threats to the life safety of laboratory personnel, and achieve the effects of low production cost, increased conductivity, and continuous production

Active Publication Date: 2019-01-01
SUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the voltage is higher than hundreds of thousands of volts, the air is easily broken down, which poses a great threat to the life safety of laboratory personnel.

Method used

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  • A bubble liquid film spinning device
  • A bubble liquid film spinning device
  • A bubble liquid film spinning device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Such as figure 1 , 2 As shown, when the present invention is in use, the liquid storage tank 1 is first filled with the spinning solution, and the air flow is concentrated on the solution from the outlet 6 through the air guide tube 8 externally connected to the air compressor 7, so that the solution is at the outlet 6. Blown into bubbles, the initial bubbles in the liquid storage tank 1 grow along the copper pillars 9 under the action of the airflow, and the top view of the arrangement of the copper pillars 9 in the liquid storage tank 1 is as follows figure 2 As shown, they are arranged in a ring shape, so that the air bubbles can be connected under the support of the copper pillars 9 . Turn on the high-voltage electrostatic generator 4, the bubble liquid film conducts electricity through the transmission of the conductive wire 3 and is stretched by the electric field force, and the conductive copper column increases the conductivity of the liquid film. Finally, th...

Embodiment 2

[0048] Such as image 3 As shown, the rest are the same as in Embodiment 1, the difference is that the liquid storage tank is divided into a plurality of different small unit liquid storage tanks 1-1, and the air compressor 7 is externally connected with 7 air guide tubes 8, and each air guide tube 8 corresponds to A small unit liquid storage tank 1-1 forms nanofiber filaments above multiple small unit liquid storage tanks.

[0049] In addition, a metal ring or a magnet can also be arranged between the fiber generating device and the receiving device to converge the jet and ensure the order of the nanofiber filaments.

[0050] The invention discloses a bubble liquid film spinning device. In the spinning device, a copper column is set in a liquid storage pool to realize the supporting effect. The inner walls of the liquid pool extend to form a larger liquid film, which increases the surface area of ​​the bubble liquid film many times, and the copper pillars increase the conduc...

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Abstract

The invention discloses a bubble liquid membrane spinning device. The spinning device realizes the support function by arranging copper pillars in a liquid storage tank, firstly, bubbles extend a liquid membrane by means of the copper pillars, later, a large liquid membrane is formed through extension between every two adjacent copper pillars and between the copper pillars and the inner wall of the liquid storage pool, so that the surface area of the bubble liquid membrane is increased multiple times, the conductivity of the bubble liquid membrane is improved by means of the copper pillars, the bubble liquid membrane is stretched under the action of electric field force, and high-efficiency, low-energy-consumption and continuous production of microfibers or nanofibers can be realized; the production efficiency is high, and the production cost is low. The spinning device performs needleless spinning, cannot cause the phenomenon that the fibers block a spinning nozzle and cannot cause solution pollution, the selectable range of solution polymers is broad and relatively flexible, and besides, the safety of the working environment is guaranteed.

Description

technical field [0001] The invention belongs to the technical field of spinning, and in particular relates to a bubble liquid film spinning device. Background technique [0002] The batch production of nanofibers is a hot and difficult direction in recent years. The most direct and basic method for traditionally preparing ultrafine fibers and nanofibers is electrospinning. Electrospinning is a special form of electrostatic atomization of polymer fluids. Polymer solutions or melts are jet-spun in a strong electric field to prepare nanoscale fibers. [0003] At present, single-nozzle or multi-nozzle syringe-type electrospinning or needle-free electrospinning nanofiber devices are widely used in laboratories and industries to prepare nanofibers, but the traditional nano-electrospinning technology has some defects, as follows: [0004] The output of nanofibers prepared by needle cylinder electrospinning method is very low, and it is difficult to realize industrial mass producti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D01D5/00D01D5/14
CPCD01D5/0069D01D5/0092D01D5/14
Inventor 李雅何吉欢
Owner SUZHOU UNIV