Electrospun nanofiber air flotation transmission and collection device
A technology for electrospinning nanofibers and collecting devices, which can be used in fiber processing, textile and papermaking, bundling of newly ejected filaments, etc.
Active Publication Date: 2015-08-05
XIAMEN UNIV
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Problems solved by technology
However, in the existing electrospinning to manufacture nanofibers, the sprayed nanofibers are directly randomly deposited on the substrate, and even a large number of fibers are deposited outside the substrate, which brings great advantages to the application of nanofibers that need to be patterned and deposited in a certain area in the industry. There are many difficulties and even limit the application of nanofibers in this field
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[0010] see figure 1 with 2 , The embodiment of the present invention is provided with a ground electrode plate 1, an axial propulsion blower 2, a radial air flotation blower 3, a gas transmission hose 4, a coaxial double-layer transmission pipeline 5, and a nozzle 6. The ground electrode plate 1 is placed directly above the fiber generating device, the interior is hollow, and the lower surface is provided with a microhole array to provide a reference zero potential for the electrospinning generating device; the axial propulsion blower 2 is located at the bottom left of the ground electrode plate 1 to provide a horizontal axis Direct airflow is the impetus for the long-distance transmission of nanofibers along the coaxial double-layer transmission pipeline 5, and also provides downward airflow for the ground electrode plate 1; the coaxial double-layer transmission pipeline 5 is placed on the bottom right of the ground electrode plate 1 and is The axial propulsion blower 2 is o...
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Abstract
The invention provides an electrospun nano-fiber air floatation delivery and collection device, and relates to fiber delivery and collection devices. The electrospun nano-fiber air floatation delivery and collection device comprises a grounded plate electrode, an axial boosting blower, a radial air floatation blower, an air hose, a coaxial double-layer delivery pipeline, a nozzle and a collecting device. The grounded plate electrode is arranged over a fiber generation device. The axial boosting blower is located below the left side of the grounded plate electrode. The coaxial double-layer delivery pipeline is arranged below the right side of the grounded plate electrode and located in the same axis as the axial boosting blower. An outer-layer channel of the coaxial double-layer delivery pipeline is a closed circular pipe. The two ends of an inner-layer channel of the coaxial double-layer delivery pipeline are open. The pipe wall of the coaxial double-layer delivery pipeline is provided with micro holes which are evenly distributed. An air outlet of the radial air floatation blower is connected with the coaxial double-layer delivery pipeline through the air hose. Air flow generated by the radial air floatation blower enters an inner pipeline body through the micro holes in the inner-layer channel. The nozzle is connected with an outlet of the coaxial double-layer delivery pipeline. The collecting device is located at an outlet of the nozzle.
Description
technical field [0001] The invention relates to a fiber transmission and collection device, in particular to an electrospun nanofiber air flotation transmission and collection device. Background technique [0002] Research on the application of nanofibers in lithium battery separators, composite materials, bioscaffolds, filtration membranes, and sensors has made great progress. At the same time, the actual demand for nanofibers is increasing day by day. Electrospinning is a simple and purely physical way to manufacture nanofibers. At present, researchers have developed methods for mass production of nanofibers based on the principle of electrospinning, such as the drum method [PCT WO 2005 / 024101], the multi-nozzle combination method [US2008241297A1 ], magnetic spinning method [A.L.Yarin, E.Zussman. Upward needless electrospinning of multiple nanofibers. Polymer 45 (2004): 2977-2980] and needle tip array induction method [CN 102191573A], creating conditions for the industria...
Claims
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IPC IPC(8): D01D7/00D01D5/00
Inventor 孙道恒王冠楠王乐乐田德鑫陈冬阳黄少华邱小椿吴德志郑建毅林立伟
Owner XIAMEN UNIV