Jet type electrostatic spinning equipment capable of producing Nano fiber
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A technology of electrospinning and nanofibers, which is applied in fiber processing, spinneret assemblies, textiles and papermaking, etc. It can solve problems such as difficulties, spinneret electric field interference, and inability to meet mass production and product applications. The effect of high production efficiency
Inactive Publication Date: 2009-06-24
DONGHUA UNIV
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[0003] Whether it is a single nozzle or multiple nozzle spinning method, due to the small diameter of the nozzle, the spinning efficiency and yield are low, the nozzle hole is easy to block and difficult to clean, and the electric field interference between adjacent spinnerets is serious. Defects such as meeting the requirements of mass production and product application
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Embodiment 1
[0016] An air-jet electrospinning device that can be used to produce nanofibers, comprising a liquid storage tank 1, a high-voltage electrostatic generator 2, a nozzle 4, an air pump 3 and a receiving plate 7, the upper end of the liquid storage tank 1 is open, and the storage The bottom surface of the liquid pool 1 is provided with vertically upward nozzles 4 arranged in a matrix. The nozzles 4 are connected to the air pump 3 through the air guide tube 5, and the connection between the conduit and the air pump 3 is higher than the liquid level of the liquid storage pool 1. Connected with the high-voltage electrostatic generator 2, there is a transmission device and a receiving curtain 8 directly above the liquid storage tank 1, the transmission device is composed of a receiving plate 7 and a guide roller 9, and the receiving plate 7 is connected to the ground electrode 10 through the guide roller 9 One end of the receiving curtain 8 is connected to the unwinding roller shaft 1...
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Abstract
The invention discloses an air-jet electrospinning device which can be used to produce nanofibers, comprising a liquid storage pool (1), a high-voltage electrostatic generator (2), a nozzle (4), an air pump (3) and a receiving plate (7) ), the upper end of the liquid storage tank (1) is open, and the bottom surface is provided with a nozzle (4). The nozzle (4) is connected to the air pump (3) through the air duct (5), and the high On the liquid surface of the liquid storage pool (1), the liquid storage pool (1) is connected to the high-voltage electrostatic generator (2) through a metal electrode, and a transmission device and a receiving curtain (8) are arranged directly above the liquid storage pool (1), The transmission device is composed of a receiving plate (7) and a guide roller (9). The receiving curtain (8) is close to the receiving plate (7) and the guide roller (9). The receiving plate (7) passes through the guide roller (9) and The ground electrodes (10) are connected, one end of the receiving curtain (8) is connected to the unwinding roller shaft (11), and the other end is connected to the winding roller shaft (12). The invention can realize large-scale production of nanofibers and has high production efficiency.
Description
technical field [0001] The invention relates to spinning equipment, in particular to an air-jet electrostatic spinning device which can be used for mass production of nanofibers. Background technique [0002] At present, most of the electrospinning nanofiber devices widely used are single-nozzle or multi-nozzle syringe-type spinning devices, such as Chinese patent application numbers ZL200420107832.5, ZL200420020596.3, ZL200320122276.4, ZL200410025622.6, etc., US patent US6616435, US6713011,US6753454,US6656394,世界专利WO06043968,WO 2005 / 073441,WO 2005 / 073442,WO 2006 / 018838,WO 2006 / 007287,WO 2005 / 026398,WO 2005 / 123995,WO2004 / 016839,WO04074559,WO 0209288A1,WO 2005 / 099308, WO 2006 / 049664, WO 2005 / 090653A1, figure 1 Schematic diagram of the multi-nozzle electrospinning device arranged in a matrix. [0003] Regardless of the spinning method with single nozzle or multiple nozzles, due to the small diameter of the nozzles, the spinning efficiency and yield are low, the nozzle holes a...
Claims
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