CN101798710B - Mechanical air bubble spinning device for preparing micron or nanometer fibers - Google Patents
Mechanical air bubble spinning device for preparing micron or nanometer fibers Download PDFInfo
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- CN101798710B CN101798710B CN2010101223865A CN201010122386A CN101798710B CN 101798710 B CN101798710 B CN 101798710B CN 2010101223865 A CN2010101223865 A CN 2010101223865A CN 201010122386 A CN201010122386 A CN 201010122386A CN 101798710 B CN101798710 B CN 101798710B
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- storage tank
- liquid storage
- shower nozzle
- pendulum wire
- spinning
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Abstract
The invention discloses a mechanical air bubble spinning device for preparing micron or nanometer fibers, which comprises a roller (1), a receiver plate (2), a liquid storage tank (3), an air pump (4), an air guide pipe (5), a nozzle (6) and a swaying yarn (7). The upper end of the liquid storage tank (3) is open and the nozzle (6) connected with the air pump (4) through the air guide pipe (5) isarranged at the bottom of the liquid storage tank (3); the roller (1) is arranged above the liquid storage tank (3); the swaying yarn (7)is fixed on the surface of the roller (1); the receiver plate (2) is arranged at the rear part above the liquid storage tank (3); and a prism-like lug 8 rotates with the swaying yarn to form circumferential connection. The mechanical air bubble spinning device can realize quick batch production of micron or nanometer fibers and can satisfy the industrialization requirement to the micron or nanometer fibers.
Description
Technical field
Patent of the present invention belongs to the spinning equipment field, particularly relates to a kind of mechanical air bubble spinning device for preparing micron or nanofiber.
Background technology
Because have superhigh specific surface area, greatly draw ratio, high surface, superior mechanical performance characteristics such as (high-strength and high ductilities), nanofiber has obtained application more and more widely.It is one of the most effective current the most direct method that method of electrostatic spinning prepares nanofiber, and this device for spinning is adopted in industry at present and laboratory research more.The bottleneck problem that electrostatic spinning exists, the propelling speed of one of device composition micro-injection pump causes efficient extremely low, and the capillary syringe needle is made spinning head and is contained that equally efficient improves; Need to use high-pressure electrostatic voltage that the electromotive force of kilovolt is provided, there is certain potential safety hazard in operation.
Summary of the invention
The present invention for the technical scheme that technical problem adopted that solves the existence of preparation nanofiber is: but provide a kind of low energy consumption high-efficiency rate to prepare the mechanical air bubble spinning device of micron or nanofiber, and this device is made up of cylinder, dash receiver, liquid storage tank, air pump, wireway, shower nozzle, pendulum wire.Liquid storage tank upper end open, bottom surface are provided with shower nozzle and link to each other with air pump via wireway.The liquid storage tank top is provided with cylinder, and pendulum wire is fixed on cylinder surface, and dash receiver is positioned at the rear of liquid storage tank, and rib shape projection 8 is joined with the circumference that the pendulum wire rotation forms.
The liquid storage tank bottom surface is provided with shower nozzle, shower nozzle straight up, sprinkler height is higher than the bottom surface of liquid storage tank and is lower than free surface (0cm＜sprinkler height＜liquid level), and relevant parameters such as frequency that can produce according to the length and the required bubble of liquid level, pendulum wire and size carry out corresponding adjusting.
The quantity minimum of shower nozzle is 1, and maximum no maximum is selected according to the size and dimension of production efficiency, output and liquid storage tank.And shower nozzle can be various in the liquid storage tank bottom surface rules arrange (linear array, circumferential arrangement etc.), but also random alignment.
The cross section of shower nozzle can be circle, also can be square or arbitrary shape.The pore of shower nozzle can be opened at tube wall, also can open at Guan Ding, and the quantity of pore is decided according to production efficiency and output, when enhancing productivity, then increases stomatal number, its scope: minimum is 1, maximum no maximum.
According to the generation frequency and the quantity of the needed bubble of production efficiency, the flow rates of air-flow is controlled to be 0m/s～100m/s, and the pressure control range is 0Pa～10MPa.
Pendulum wire is fixed on cylinder surface, and its length is regulated according to the height and the liquid level of liquid storage tank, and an end of its vertical liquid level can fully be contacted with the spinning solution or the melt bubble that produce.
The diameter range of pendulum wire is 0.00 μ m～10cm, as required the fineness of producd fibers and deciding; The material of pendulum wire is a flexible material, is in contact with one another in stable conditionly with spinning solution or melt, is advisable so that chemical reaction not to take place; Pendulum wire also can be made into the pendulum face, and material is chosen for flexible material equally, and the product that spins out so then is film material.
The radical of pendulum wire is greater than one, do not have the upper limit, arranging density is decided according to the length and the spinning efficiency of cylinder, along the surface of cylinder or rule arrange (linear array for example, circumferential arrangement etc.) or at random random alignment, and according to the diameter of the cylinder plurality of rows that can be arranged in parallel.
There is a rib shape projection in the circumference joint that dash receiver and pendulum wire rotation form, and the angular range size between this projection and plate body is 0～90 °.
The rotation direction of cylinder is a clockwise direction in right view, is right-handed helix in the front view, inwardly rotation.
The generation approach of bubble can be by outside the shower nozzle ejection, also can be by in solution, adding blowing agent, or, form abundant bubble with the melt ebuillition of heated.
As optimized technical scheme: described shower nozzle is a plurality of to form a line, and pendulum wire can many be arranged in a row, and can place many rows on cylinder.
Beneficial effect
Can realize high efficiency, low energy consumption, the serialization production of micron or nanofiber, only use the pendulum wire of machinery rotation and the solution or the melt of bubbling just can prepare fiber, and production efficiency height, equipment are simple, low production cost, production process is short, simple to operate, adaptive is strong, satisfies the demand of current industrial commercialization to micron or nanofiber and Related product thereof fully.
When the present invention works, at first injection of polymer solution or melt in liquid storage tank 3, institute's liquid volume added should be higher than the height (shower nozzle 6 is fully submerged) of shower nozzle 6, is lower than the height of liquid storage tank, and the end of pendulum wire 7 is immersed fully.Open air pump 4, apply, continue for some time than low pressure, treat air-flow pressure and flow speed stability after, add atmospheric pressure gradually, the solution or the melt that enter shower nozzle 6 are discharged, form bubble clocklike on the free surface.Open the power switch of cylinder 1, cylinder 1 is rotated with stable rotating speed, when pendulum wire 7 goes on the free surface, contact with the bubble that produces, this moment, the end of pendulum wire 7 flooded spinning solution or melt, when it leaves liquid level, because the viscous force of polymer solution or melt, solution or melt are pulled out solution and are become thread.Because the centrifugal force that inertia force, viscous force, gravity and rotation produce, continuous, elongated fiber has just produced.When pendulum wire 7 went to dash receiver 2 places, the fiber that the end of pendulum wire 7 is adhering to cut mutually with rib shape projection 8, and fiber separates with pendulum wire 7, was deposited on the dash receiver 2, and final solvent evaporates forms a large amount of micron and nano-scale fiber.
Description of drawings
Fig. 1 structure front view of the present invention
Fig. 2 structure right view of the present invention
Fig. 3 structure vertical view of the present invention
Wherein, 1-cylinder, 2-dash receiver, 3-liquid storage tank, 4-air pump, 5-wireway, 6-shower nozzle, 7-pendulum wire, 8-rib shape projection.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
A kind of mechanical air bubble spinning device for preparing micron or nanofiber comprises cylinder 1, dash receiver 2, liquid storage tank 3, air pump 4, wireway 5, shower nozzle 6, pendulum wire 7, liquid storage tank 3 upper end open, and the bottom surface is provided with shower nozzle 6 and links to each other with air pump 4 via wireway 5.Liquid storage tank 3 tops are provided with cylinder 1, and pendulum wire 7 is fixed on cylinder 1 surface, and cylinder 1 is with certain angular speed rotation, and pendulum wire 7 is thereupon with identical speed rotation.Dash receiver 2 is positioned at the rear of liquid storage tank, and rib shape projection 8 is joined with the circumference that pendulum wire 7 rotations form.
Claims (9)
1. one kind prepares the micron or the mechanical air bubble spinning device of nanofiber, comprise cylinder (1), dash receiver (2), liquid storage tank (3), air pump (4), wireway (5), shower nozzle (6), pendulum wire (7), it is characterized in that: described liquid storage tank (3) upper end open, the bottom surface is provided with shower nozzle (6) and links to each other with air pump (4) via wireway (5), be provided with cylinder (1) directly over the described liquid storage tank (3), described pendulum wire (7) is fixed on cylinder (1) surface, dash receiver (2) is positioned at the rear portion of liquid storage tank (3) top, and rib shape projection (8) is joined with the circumference that pendulum wire (7) rotation forms.
2. a kind of device for spinning according to claim 1 is characterized in that: described liquid storage tank (3) bottom surface is provided with shower nozzle (6), shower nozzle (6) straight up, shower nozzle (6) highly is higher than the bottom surface of liquid storage tank (3) and is lower than free surface.
3. a kind of device for spinning according to claim 1 and 2 is characterized in that: the quantity of described shower nozzle (6) is at least 1.
4. a kind of device for spinning according to claim 1 is characterized in that: the pore of described shower nozzle (6) is opened on tube wall or pipe top, and the quantity of pore is at least 1.
5. a kind of device for spinning according to claim 1, it is characterized in that: described pendulum wire (7) is fixed on cylinder (1) surface, its length is regulated according to the height and the liquid level of liquid storage tank (3), and an end of its vertical liquid level can fully be contacted with the spinning solution or the melt bubble that produce.
6. a kind of according to claim 1 or 5 device for spinning is characterized in that: the diameter range of described pendulum wire (7) is 0.00 μ m＜d＜10cm; The material of described pendulum wire (7) is a flexible material.
7. a kind of device for spinning according to claim 1 is characterized in that: the radical of described pendulum wire (7) is at least 1.
8. a kind of device for spinning according to claim 1 is characterized in that: there is a rib shape projection (8) in described dash receiver (2) with the circumference joint that pendulum wire (7) rotation forms, and the angular range size between this projection and plate body is 0～90 °.
9. a kind of device for spinning according to claim 1 is characterized in that: described pendulum wire (7) can be made into the pendulum face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101223865A CN101798710B (en) | 2010-03-11 | 2010-03-11 | Mechanical air bubble spinning device for preparing micron or nanometer fibers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101223865A CN101798710B (en) | 2010-03-11 | 2010-03-11 | Mechanical air bubble spinning device for preparing micron or nanometer fibers |
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| Publication Number | Publication Date |
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| CN101798710A CN101798710A (en) | 2010-08-11 |
| CN101798710B true CN101798710B (en) | 2011-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101223865A Expired - Fee Related CN101798710B (en) | 2010-03-11 | 2010-03-11 | Mechanical air bubble spinning device for preparing micron or nanometer fibers |
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| CN103147139B (en) * | 2013-04-02 | 2015-12-23 | 厦门大学 | A kind of gas induced electric spinning equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2142870B (en) * | 1983-07-06 | 1986-06-04 | Ethicon Inc | Manufacturing vascular prostheses by electrostatic spinning |
| CZ294274B6 (en) * | 2003-09-08 | 2004-11-10 | Technická univerzita v Liberci | Process for producing nanofibers from polymeric solution by electrostatic spinning and apparatus for making the same |
| TWI306909B (en) * | 2006-12-21 | 2009-03-01 | Taiwan Textile Res Inst | Electrostatic spinning apparatus |
| KR100781773B1 (en) * | 2007-02-13 | 2007-12-04 | 전남대학교산학협력단 | Electrospinning apparatus equipped with rotating pin-bundle spinneret and method for producing fiber using the same |
| CN101657571B (en) * | 2007-04-17 | 2011-03-30 | 斯坦陵布什大学 | A process for the production of fibres |
| CN201195772Y (en) * | 2008-05-15 | 2009-02-18 | 东华大学 | Hubble-bubble spinning apparatus with temperature control apparatus |
| CN101634050B (en) * | 2009-08-20 | 2011-08-31 | 东华大学 | Air-injection electrostatic spinning device for preparing nano fiber portably |
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Granted publication date: 20110831 Termination date: 20140311 |