CN105442066A - Bubble spinning device and bubble spinning method for preparing composite nanofiber - Google Patents
Bubble spinning device and bubble spinning method for preparing composite nanofiber Download PDFInfo
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- CN105442066A CN105442066A CN201510969725.6A CN201510969725A CN105442066A CN 105442066 A CN105442066 A CN 105442066A CN 201510969725 A CN201510969725 A CN 201510969725A CN 105442066 A CN105442066 A CN 105442066A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
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- Nonwoven Fabrics (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention discloses a bubble spinning device and bubble spinning method for preparing a composite nanofiber. The bubble spinning purpose is achieved by directly adopting cooperation of a bubble generator and an air pump without needing to adopt electrostatic interaction, electrostatic pollution and potential danger which are caused by high voltage static generated in traditional electrostatic spinning and bubble electrostatic spinning are avoided, and therefore safe production is achieved. In addition, by spraying nanoparticles with a spray gun at a uniform speed, not only can bubble breakage be promoted, but also bubbles can be fully mixed with jet flow to prepare the composite nanofiber and improve the quality of the composite nanofiber. The device is simple in structure, convenient to operate and short in technological procedure and lays a foundation for scale production of the composite nanofiber.
Description
Technical field
The present invention relates to air bubble spinning technical field, be specifically related to a kind of air bubble spinning device and the air bubble spinning method of preparing nano-composite fiber.
Background technology
Bubble electrostatic spinning is a kind of new technology that the bubble that molten solution or solution produced by External Force Acting or liquid film are spun into nano material, and the nano material of production mainly comprises smooth nano material, pearl fiber, nano-porous materials, nano particle, nanometer roll are drawn materials and nanometer yarn.
Bubble electrostatic spinning is that the method can produce nanofiber in batches in recent years by a kind of spinning new method of inventing, but does not but change " electrostatic " essential characteristic as spinning power, thus inevitably causes electrostatic to pollute.Special in high-viscous solution, in order to obtain nanofiber, just very high electrostatic potential must be added can complete spinning.This not only threatens to the life security of lab assistant, also likely because electrostatic pollutes the static discharge made in air, causes fire or blast, affects greatly industrial production and life.
Prior art when preparing nano-composite fiber, common method be first nanoparticulate dispersed in high polymeric solution, and then carry out spinning.The shortcoming of the method is that nano particle is easy to reunite when mixing, and causes the skewness of nano particle in nanofiber, reduces the quality of nanofiber, and limit its Application Areas.
Therefore, in view of above problem, be necessary to propose a kind of novel air bubble spinning device, realize, without while completing spinning under electrostatic interaction, nano particle fully being mixed with solution, ensure the uniformity of nano-composite fiber, realization is kept the safety in production.
Summary of the invention
In view of this, the invention provides a kind of air bubble spinning device and the air bubble spinning method of preparing nano-composite fiber, the object realizing air bubble spinning is coordinated by what directly adopt bubble generator and air pump, without the need to adopting electrostatic interaction, avoid the electrostatic that high-pressure electrostatic causes to pollute and potential danger, realize safety in production, and, at the uniform velocity nano particle is sprayed by using spray gun, not only bubbles burst can be impelled, fully can also be mixed with nano-composite fiber with jet, improve the quality of nano-composite fiber.
A kind of air bubble spinning device preparing nano-composite fiber that object according to the present invention proposes, comprise bubble generator, be positioned at the fiber accepts device in described bubble generator dead ahead, the liquid storage tank be communicated with bubble generator respectively and air pump, described liquid storage tank inputs solution by catheter in bubble generator, described air pump by wireway to air feed in bubble generator, described bubble generator periphery is also evenly distributed with the spray gun being mounted with nano particle, spray gun is obliquely installed, the grain flow of ejection intersects at bubble generator exit position place, be injected into after mixing mutually with the jet of bubble generator on fiber accepts device.
Preferably, described spray gun circular array distribution centered by bubble generator.
Preferably, described spray gun is symmetrically arranged even number.
Preferably, described spray gun is obliquely installed, and itself and horizontal plane angle are 30-60 degree.
Preferably, described spray gun and horizontal plane angle are 45 degree.
Preferably, the rifle draught animals footpath of described spray gun is 1mm-10mm.
Preferably, in described spray gun, nano particle diameter is 1nm-50nm, and even concentration.
Preferably, the nano particle in spray gun is nano-sized iron oxide, nano ferriferrous oxide, nano oxidized erbium or CNT.
Preferably, described fiber accepts device is dash receiver or receives roller, the uniform rotation of described reception roller.
Prepare an air bubble spinning method for nano-composite fiber, adopt the air bubble spinning device preparing nano-composite fiber, concrete steps are as follows:
S1: centered by bubble generator, multiple spray gun is evenly set around bubble generator, in described spray gun, pre-fill is filled with nano particle, and the nano particle of filling is nano-sized iron oxide, nano ferriferrous oxide, nano oxidized erbium or CNT;
S2: during work, is first injected in bubble generator by the solution in liquid storage tank by catheter, ensures that liquid level arrives desired location;
S3: open air pump, by wireway to air feed in bubble generator, start air pressure lower, influent in wireway is slowly pushed in bubble generator, slowly add atmospheric pressure again, liquid level is made to have rule and stable single isolated bubbles, and along with bubbles burst, now, to outward winding spray gun, rifle head, bottom the jet of bubble generator, regulates spraying rate, nano particle is fully mixed with the jet that breaks, rely on the jet power of spray gun, jet fully stretches and attenuates, directive fiber accepts device, and deposition solidify to form a large amount of nano-composite fiber.
Compared with prior art, the advantage of the air bubble spinning device and air bubble spinning method of preparing nano-composite fiber disclosed by the invention is:
Coordinate by what directly adopt bubble generator and air pump the object realizing air bubble spinning, without the need to adopting electrostatic interaction, the electrostatic that the high-pressure electrostatic avoiding conventional electrostatic spinning and bubble electrostatic spinning causes pollutes and potential danger, realizes safety in production.
And, by using spray gun at the uniform velocity to spray nano particle, not only can impel bubbles burst, fully can also be mixed with nano-composite fiber with jet, improve the quality of nano-composite fiber.
This apparatus structure is simple, easy to operate, technological process is short, for the large-scale production of nano-composite fiber is laid a good foundation.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of air bubble spinning device embodiment 1 disclosed by the invention.
Fig. 2 is the structural representation of air bubble spinning device embodiment 2 disclosed by the invention.
Fig. 3 is the top view of spray gun.
The title of the numeral in figure or the corresponding component representated by letter:
1, bubble generator 2, dash receiver 3, liquid storage tank 4, catheter 5, air pump 6, wireway 7, spray gun 8, reception roller 9, support
Detailed description of the invention
Bubble electrostatic spinning is that the method can produce nanofiber in batches in recent years by a kind of spinning new method of inventing, but does not but change " electrostatic " essential characteristic as spinning power, thus inevitably causes electrostatic to pollute.Special in high-viscous solution, in order to obtain nanofiber, just very high electrostatic potential must be added can complete spinning.This not only threatens to the life security of lab assistant, also likely because electrostatic pollutes the static discharge made in air, causes fire or blast, affects greatly industrial production and life.And prior art is when preparing nano-composite fiber, common method be first nanoparticulate dispersed in high polymeric solution, and then carry out spinning.The shortcoming of the method is that nano particle is easy to reunite when mixing, and causes the skewness of nano particle in nanofiber, reduces the quality of nanofiber, and limit its Application Areas.
The present invention is directed to deficiency of the prior art, provide a kind of air bubble spinning device and the air bubble spinning method of preparing nano-composite fiber, the object realizing air bubble spinning is coordinated by what directly adopt bubble generator and air pump, without the need to adopting electrostatic interaction, avoid the electrostatic that high-pressure electrostatic causes to pollute and potential danger, realize safety in production, and, at the uniform velocity nano particle is sprayed by using spray gun, not only bubbles burst can be impelled, fully can also be mixed with nano-composite fiber with jet, improve the quality of nano-composite fiber.
To be clearly and completely described technical scheme of the present invention by detailed description of the invention below.Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
A kind of air bubble spinning device preparing nano-composite fiber, comprise bubble generator 1, be positioned at the fiber accepts device in bubble generator 1 dead ahead, the liquid storage tank 3 be communicated with bubble generator 1 respectively and air pump 5, liquid storage tank 3 inputs solution by catheter 4 in bubble generator 1, and wherein this solution is the high polymeric solution forming nanofiber.Air pump 5 passes through wireway 6 to air feed in bubble generator 1, by to air feed in bubble generator, under the effect of bubble generator, its internal liquid level has rule and stable single isolated bubbles, forms nanofiber along with bubbles burst produces jet directive fiber accepts device.
Bubble generator 1 periphery is also evenly distributed with the spray gun 7 being mounted with nano particle, and spray gun is obliquely installed, and the grain flow of ejection intersects at bubble generator 1 exit position place, is injected on fiber accepts device with the jet of bubble generator after mixing mutually.Mixed fibre bundle forms nano-composite fiber on fiber accepts device.
Spray gun is circular array distribution centered by bubble generator.Spray gun is symmetrically arranged even number.Be preferably 4 in the application, 4 spray guns are symmetrical arranged, and relatively spray, and prevent the nano particle sprayed to be scattered.Wherein the quantity of spray gun also can be odd number, multiple spray gun circular array distribution, the nano particle stream aggregation of ejection is in bubble generator exit position place, and spray gun quantity also can be 3,5,6 or multiple, specifically need setting according to use, do not limit at this.
Spray gun is obliquely installed, and itself and horizontal plane angle are 30-60 degree.In the application, spray gun and horizontal plane angle are preferably in 45 degree.Ensure that each spray gun spray beam intersects at the bottom of bubble generator exit position place and bubble generator jet, ensure that nano particle evenly mixes mutually with solution.
The rifle draught animals footpath of spray gun is 1mm-10mm.
In spray gun, nano particle diameter is 1nm-50nm, and even concentration.
Nano particle in spray gun is nano-sized iron oxide, nano ferriferrous oxide, nano oxidized erbium or CNT etc., and concrete material sets as required.
Prepare an air bubble spinning method for nano-composite fiber, adopt the air bubble spinning device preparing nano-composite fiber, concrete steps are as follows:
S1: centered by bubble generator, multiple spray gun is evenly set around bubble generator, in described spray gun, pre-fill is filled with nano particle, and the nano particle of filling is nano-sized iron oxide, nano ferriferrous oxide, nano oxidized erbium or CNT;
S2: during work, is first injected in bubble generator by the solution in liquid storage tank by catheter, ensures that liquid level arrives desired location;
S3: open air pump, by wireway to air feed in bubble generator, start air pressure lower, influent in wireway is slowly pushed in bubble generator, slowly add atmospheric pressure again, liquid level is made to have rule and stable single isolated bubbles, and along with bubbles burst, now, to outward winding spray gun, rifle head, bottom the jet of bubble generator, regulates spraying rate, nano particle is fully mixed with the jet that breaks, rely on the jet power of spray gun, jet fully stretches and attenuates, directive fiber accepts device, and deposition solidify to form a large amount of nano-composite fiber.
Embodiment 1
Refer to Fig. 1 and Fig. 3, fiber accepts device is dash receiver 2.
During work, first the solution in liquid storage tank is injected in bubble generator by catheter, ensures that liquid level arrives desired location (as dotted line position in Fig. 1); Open air pump, by wireway to air feed in bubble generator, start air pressure lower, influent in wireway is slowly pushed in bubble generator, slowly add atmospheric pressure again, liquid level is made to have rule and stable single isolated bubbles, and along with bubbles burst, now, to outward winding spray gun, rifle head, bottom the jet of bubble generator, regulates spraying rate, nano particle is fully mixed with the jet that breaks, rely on the jet power of spray gun, jet fully stretches and attenuates, directive fiber accepts plate, and deposition solidify to form a large amount of nano-composite fiber.
Embodiment 2
Refer to Fig. 2 and Fig. 3, fiber accepts device, for receiving roller 8, receives roller uniform rotation.
During work, first the solution in liquid storage tank is injected into (liquid level is as dotted line position in Fig. 2) in bubble generator; Open air pump, beginning air pressure is lower, the liquid in wireway is slowly discharged, more slowly adds atmospheric pressure, make liquid level have rule and stable single isolated bubbles, and along with bubbles burst, now, open reception roller, make it at the uniform velocity rotate; To outward winding again spray gun, rifle head, bottom jet, regulates spraying rate, nano particle is fully mixed with the jet that breaks, rely on the jet power of spray gun, jet fully stretches and attenuates, and directive receives roller, receives roller in rotation process, not only make fiber roll be around in and receive on roller, also drawing-off effect is produced to fiber, be combined with spray gun and form double tension, be of value to the mechanical performance strengthening nano-composite fiber.
Embodiment 3
All the other are identical with embodiment 1 or 2, and difference is, in spray gun, pre-fill is filled with nano particle, and the nano particle of filling is nano-sized iron oxide.The rifle draught animals footpath of spray gun is 1mm.In spray gun, nano particle diameter is 1nm, and even concentration.
Embodiment 4
All the other are identical with embodiment 1 or 2, and difference is, in spray gun, pre-fill is filled with nano particle, the nano granule tri-iron tetroxide of filling.The rifle draught animals footpath of spray gun is 3mm.In spray gun, nano particle diameter is 10nm, and even concentration.
Embodiment 5
All the other are identical with embodiment 1 or 2, and difference is, in spray gun, pre-fill is filled with nano particle, and the nano particle of filling is nano oxidized erbium.The rifle draught animals footpath of spray gun is 5mm.In spray gun, nano particle diameter is 20nm, and even concentration.
Embodiment 6
All the other are identical with embodiment 1 or 2, and difference is, in spray gun, pre-fill is filled with nano particle, and the nano particle of filling is CNT.The rifle draught animals footpath of spray gun is 7mm.In spray gun, nano particle diameter is 30nm, and even concentration.
In addition, spray gun 7 is fixedly installed on support 9, also the support of fixing spray gun can be made of one structure in use, or multiple support is interconnected and fixed, by driving mechanism drive support and on spray gun circular-rotation, realize revolving round the sun centered by bubble generator while spray gun sprays nano particle, realize spraying evenly.
The invention discloses a kind of air bubble spinning device and the air bubble spinning method of preparing nano-composite fiber, the object realizing air bubble spinning is coordinated by what directly adopt bubble generator and air pump, without the need to adopting electrostatic interaction, the electrostatic that the high-pressure electrostatic avoiding conventional electrostatic spinning and bubble electrostatic spinning causes pollutes and potential danger, realizes safety in production.
And, by using spray gun at the uniform velocity to spray nano particle, not only can impel bubbles burst, fully can also be mixed with nano-composite fiber with jet, improve nano-composite fiber quality.
This apparatus structure is simple, easy to operate, technological process is short, for the large-scale production of nano-composite fiber lays the foundation.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. prepare the air bubble spinning device of nano-composite fiber for one kind, it is characterized in that, comprise bubble generator, be positioned at the fiber accepts device in described bubble generator dead ahead, the liquid storage tank be communicated with bubble generator respectively and air pump, described liquid storage tank inputs solution by catheter in bubble generator, described air pump by wireway to air feed in bubble generator, described bubble generator periphery is also evenly distributed with the spray gun being mounted with nano particle, spray gun is obliquely installed, the grain flow of ejection intersects at bubble generator exit position place, be injected into after mixing mutually with the jet of bubble generator on fiber accepts device.
2. prepare the air bubble spinning device of nano-composite fiber as claimed in claim 1, it is characterized in that, described spray gun is circular array distribution centered by bubble generator.
3. prepare the air bubble spinning device of nano-composite fiber as claimed in claim 1, it is characterized in that, described spray gun is symmetrically arranged even number.
4. prepare the air bubble spinning device of nano-composite fiber as claimed in claim 1, it is characterized in that, described spray gun is obliquely installed, and itself and horizontal plane angle are 30-60 degree.
5. prepare the air bubble spinning device of nano-composite fiber as claimed in claim 4, it is characterized in that, described spray gun and horizontal plane angle are 45 degree.
6. prepare the air bubble spinning device of nano-composite fiber as claimed in claim 1, it is characterized in that, the rifle draught animals footpath of described spray gun is 1mm-10mm.
7. prepare the air bubble spinning device of nano-composite fiber as claimed in claim 1, it is characterized in that, in described spray gun, nano particle diameter is 1nm-50nm, and even concentration.
8. prepare the air bubble spinning device of nano-composite fiber as claimed in claim 1, it is characterized in that, the nano particle in spray gun is nano-sized iron oxide, nano ferriferrous oxide, nano oxidized erbium or CNT.
9. prepare the air bubble spinning device of nano-composite fiber as claimed in claim 1, it is characterized in that, described fiber accepts device is dash receiver or receives roller, the uniform rotation of described reception roller.
10. prepare an air bubble spinning method for nano-composite fiber, it is characterized in that, adopt the air bubble spinning device preparing nano-composite fiber described in any one of claim 1-9, concrete steps are as follows:
S1: centered by bubble generator, multiple spray gun is evenly set around bubble generator, in described spray gun, pre-fill is filled with nano particle, and the nano particle of filling is nano-sized iron oxide, nano ferriferrous oxide, nano oxidized erbium or CNT;
S2: during work, is first injected in bubble generator by the solution in liquid storage tank by catheter, ensures that liquid level arrives desired location;
S3: open air pump, by wireway to air feed in bubble generator, start air pressure lower, influent in wireway is slowly pushed in bubble generator, slowly add atmospheric pressure again, liquid level is made to have rule and stable single isolated bubbles, and along with bubbles burst, now, to outward winding spray gun, rifle head, bottom the jet of bubble generator, regulates spraying rate, nano particle is fully mixed with the jet that breaks, rely on the jet power of spray gun, jet fully stretches and attenuates, directive fiber accepts device, and deposition solidify to form a large amount of nano-composite fiber.
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| CN201510969725.6A CN105442066B (en) | 2015-12-22 | 2015-12-22 | A kind of air bubble spinning device for preparing nano-composite fiber and air bubble spinning method |
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Cited By (6)
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| CN105671656A (en) * | 2016-03-31 | 2016-06-15 | 苏州大学 | Airflow bubble spinning device |
| CN105734697A (en) * | 2016-05-12 | 2016-07-06 | 苏州大学 | Device for preparing functional nanofiber |
| CN106192027A (en) * | 2016-08-19 | 2016-12-07 | 西安工程大学 | The device of the standby composite nano fiber of air-flow many bubbles spinning |
| CN106676687A (en) * | 2017-03-09 | 2017-05-17 | 苏州大学 | Air supply device for system for preparing nanometer fiber yarns |
| CN108823653A (en) * | 2018-07-20 | 2018-11-16 | 佛山市高明曦逻科技有限公司 | A kind of electrostatic spinning apparatus of grid receiver board and the spinning process of the electrostatic spinning apparatus |
| CN110055599A (en) * | 2019-04-10 | 2019-07-26 | 苏州大学 | A kind of device for spinning and method of orderly control nanofiber molecular order |
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| CN106676687A (en) * | 2017-03-09 | 2017-05-17 | 苏州大学 | Air supply device for system for preparing nanometer fiber yarns |
| CN108823653A (en) * | 2018-07-20 | 2018-11-16 | 佛山市高明曦逻科技有限公司 | A kind of electrostatic spinning apparatus of grid receiver board and the spinning process of the electrostatic spinning apparatus |
| CN110055599A (en) * | 2019-04-10 | 2019-07-26 | 苏州大学 | A kind of device for spinning and method of orderly control nanofiber molecular order |
| CN110055599B (en) * | 2019-04-10 | 2024-04-19 | 苏州大学 | Spinning device and method for orderly controlling molecular ordering of nanofibers |
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