Air bubble spinning device
A technology of bubble spinning and bubble generating device, applied in the spinning field, which can solve the problems of limited industrial application and low output of electrospinning, and achieve the effects of low production cost, high production efficiency and easy operation
Inactive Publication Date: 2013-01-09
SUZHOU UNIV
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Problems solved by technology
[0002] With the rise of nanotechnology, people have paid great attention to the electrospinning method that can prepare continuous nanofibers, and have done more systematic theoretical research. The electrospinning method is to stretch the polymer through the electric field force generated by high-voltage static electricity. It is an important method to prepare nanofibers from solution or melt, and it is also the most direct and simplest method to prepare nanofibers. Nanofibers prepared by electrospinning technology have ultra-high specific surface area, large aspect ratio, high surface activity, superior The mechanical properties (high strength and high toughness) and other characteristics have very broad application prospects in different fields such as textile engineering, environmental engineering, biotechnology, medical and health care, energy storage, military and anti-terrorism security, but the output of traditional electrospinning is low. , which limits its industrial application
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[0017] The mechanism of tornado generation: the instability of the atmosphere produces a strong updraft, which interacts with the wind that has shear in both speed and direction in the vertical direction, and the updraft rotates to form a mesoscale cyclone. As the mesocyclone develops toward the ground and extends upward, nascent tornadoes form inside the cyclone, forming the tornado core and extending the tornado to the ground. When the developed vortex reaches the height of the ground, the air pressure on the ground drops sharply, and the wind speed on the ground rises sharply, forming a tornado.
[0018] The present invention utilizes the formation mechanism of the tornado for bubble vortex spinning. The vortex formed by the airflow makes the generated air bubbles stretched and broken to form nanofibers, which can effectively improve the output of nanospinning and save energy.
[0019] The bubble spinning device in the embodiment of the present invention includes a liquid ...
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The invention discloses an air bubble spinning device, comprising a liquid storage tank, an air bubble generating device and a receiving device, wherein the air bubble generating device is connected into the liquid storage tank; air bubbles are generated on the surface of the liquid in the liquid storage tank; the receiving device receives jet flow generated by broken air bubbles; the air bubble spinning device also comprises a vortex generating device; and the vortex generating device is used for generating vortex above the liquid in the liquid storage tank. According to the invention, by dint of tornado mechanism, a novel air bubble spinning method is disclosed; the vortex generating device generates the vortex above polymer solution or melt; the air bubbles are extended by the vortex so as to process spinning procedures; the high efficiency, low energy consumption, continuous production of micron or nanofiber can be realized, which lays the root for the large-scale production of the nanofiber; and the air bubble spinning device is characterized by high production efficiency, low production cost, simple equipment, easy operation and strong adaptability and offers help the demands of large-scale production and product application on nano-fiber and related products.
Description
technical field [0001] The invention belongs to the field of spinning, in particular to a bubble vortex spinning device. Background technique [0002] With the rise of nanotechnology, people have paid great attention to the electrospinning method that can prepare continuous nanofibers, and have done more systematic theoretical research. The electrospinning method is to stretch the polymer through the electric field force generated by high-voltage static electricity. It is an important method to prepare nanofibers from solution or melt, and it is also the most direct and simplest method to prepare nanofibers. Nanofibers prepared by electrospinning technology have ultra-high specific surface area, large aspect ratio, high surface activity, superior The mechanical properties (high strength and high toughness) and other characteristics have very broad application prospects in different fields such as textile engineering, environmental engineering, biotechnology, medical and heal...
Claims
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Inventor 何吉欢孔海燕周丽霞
Owner SUZHOU UNIV