A Liquid Surface Induced Electrospinning Device
A technology of electrospinning and liquid surface, which is applied in the direction of feeding the solution to the spinneret, textile and paper making, filament/thread forming, etc. It can solve the problems of high starting voltage, small amount of jet formation, difficult surface tension of the solution, etc.
Active Publication Date: 2021-02-26
CHAOHU UNIV
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Problems solved by technology
[0004] The purpose of the present invention is to provide an electrospinning device that utilizes the electrospinning method to prepare nanofibers in batches, so as to solve the problems of high starting voltage, difficulty in overcoming the surface tension of the solution, and less jet flow formation in the electrospinning technology
Method used
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[0025] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. The examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
[0026] The induction rope 4 of the present embodiment adopts steel wire rope;
[0027] The seal 2 in this embodiment adopts packing seal, which is simple to install and easy to repair;
[0028] The heating element 7 of this embodiment is an electric heating element, which has rapid temperature rise and high thermal efficiency;
[0029] The temperature sensor 5 of this embodiment is a thermocouple temperature sensor, which is small in size and easy to install;
[0030] The collection device 8 of this embodiment uses a collection plate, which can realize functions such as transmitting fibers and changing the spinning pitch through a three-dimensional control platform;
[0031] The fluid pump 11 in this embodi...
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Abstract
The invention relates to a liquid level induced electrostatic spinning device which is provided with inducing ropes, a turntable, a solution tank, a sealing part, a driving motor, a speed regulator, aheating part, a temperature sensor, a collecting device, a high-voltage power supply, a solution box and a fluid pump. The turntable is arranged in the solution tank, a plurality of inducing ropes are uniformly distributed on the side face of the turntable, the turntable is in driving connection with a rotary shaft, the rotary shaft penetrates through the sealing part to extend out of the bottomof the solution tank and is in driving connection with the driving motor, and the driving motor is connected with the speed regulator and drives the inducing topes to swing on the liquid level. The solution tank is provided with the heating part and the temperature sensor, and the heating part and the temperature sensor are connected with the temperature controller. A collecting device is arrangedabove the solution tank and is connected with the output end of the high-voltage power supply, and the bottom of the solution tank is grounded. The solution box and the fluid pump are arranged on theside face of the solution tank. By adopting the technical scheme, the shortcomings of high starting voltage in the electrostatic spinning process, difficult solution surface tension overcoming, smaller jet flow formation quantity and the like can be overcome under the effect of the inducing ropes.
Description
technical field [0001] The invention relates to the technical field of electrostatic spinning, in particular to a batch electrostatic spinning device. Background technique [0002] The use of electrospinning technology to prepare nanofibers has the advantages of short process flow and simple operation, and has become a research hotspot at home and abroad in recent years. Traditional electrospinning uses a needle as a spinneret, and a syringe pump is used to transport the polymer solution to the needle. When the droplet on the needle is in a high-voltage electrostatic field, a Taylor cone will be formed. The polymer solution forms a jet under the action of electrostatic force, and is refined to form micro-nano fibers that are deposited on the collection device. Using the needle as the spinneret for electrospinning, a single needle can only produce one jet, the spinning output is low, the needle is also easy to block, and the tip discharge phenomenon is prone to occur. The u...
Claims
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IPC IPC(8): D01D5/00D01D1/09
CPCD01D1/09D01D5/0069D01D5/0076D01D5/0092
Inventor 徐兵王伟
Owner CHAOHU UNIV