CN106835305B - A kind of air bubble liquid-membrane device for spinning - Google Patents
A kind of air bubble liquid-membrane device for spinning Download PDFInfo
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- CN106835305B CN106835305B CN201710142406.7A CN201710142406A CN106835305B CN 106835305 B CN106835305 B CN 106835305B CN 201710142406 A CN201710142406 A CN 201710142406A CN 106835305 B CN106835305 B CN 106835305B
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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
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0069—Electro-spinning characterised by the electro-spinning apparatus characterised by the spinning section, e.g. capillary tube, protrusion or pin
-
- 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
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0092—Electro-spinning characterised by the electro-spinning apparatus characterised by the electrical field, e.g. combined with a magnetic fields, using biased or alternating fields
-
- 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
- D01D5/12—Stretch-spinning methods
- D01D5/14—Stretch-spinning methods with flowing liquid or gaseous stretching media, e.g. solution-blowing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of air bubble liquid-membrane device for spinning, the device for spinning is by being arranged copper post in liquid storage tank to realize supporting role, bubble relies on copper post extension liquid film first, extend between copper post and between copper post and liquid storage tank inner wall later and forms bigger liquid film, increase air bubble liquid-membrane surface area many times larger, and copper post increases air bubble liquid-membrane electric conductivity, and air bubble liquid-membrane is stretched under electric field force effect and carries out spinning, it can be achieved that the high efficiency of micron or nanofiber, low power consuming, continuous production；High production efficiency, production cost are low.The phenomenon that device for spinning is needleless spinning, is not in fiber blocking spinning nozzle, and not will cause solution pollution, the optional range of solution polymer is big, relatively flexibly, while ensure that the safety of working environment.
Description
Technical field
The invention belongs to spining technology fields, and in particular to a kind of air bubble liquid-membrane device for spinning.
Background technique
The mass production of nanofiber is the hot and difficult issue direction of recent years, tradition prepare superfine fibre and
Nanofiber is most directly also that most basic method is electrospinning process.Electrostatic spinning is exactly polymeric fluid electrostatic atomization
Special shape, polymer solution or melt carry out jet spinning in strong electrical field, to prepare nanoscale fiber filament.
Currently, laboratory and industry prepare nanofiber be widely used single nozzle or more spray head syringe-type Static Spinnings or
The device of person's needleless electrostatic spinning nano fiber, but traditional nano electrostatic spining technology is there are some defects, specific as follows:
The yield that syringe-type electrostatic spinning method prepares nanofiber is very low, is difficult to realize industrialized batch production.And
And the aperture of the micropore needle as spinneret orifice is smaller, when use, is easily blocked, and frequently need to replace and clean spinneret orifice, and clean
Get up also relatively difficult, thus it is low to result in spinning production efficiency, can not carry out large-scale production at all, it is even more impossible to meet to produce
The requirement of product application.
Needleless electrostatic spinning yield is big, but the polymer nanofiber of ultra high molecular weight in order to obtain, it is necessary to add very high
Electrostatic.However, air is easy breakdown when voltage is higher than ten tens of thousands of volts, the life security of lab assistant is caused very
Big threat.
Therefore, in view of the above technical problems, it is necessary to a kind of air bubble liquid-membrane device for spinning is provided, to overcome drawbacks described above,
It realizes the large-scale production of nanofiber, and guarantees production safety.
Summary of the invention
In view of this, the present invention provides a kind of air bubble liquid-membrane device for spinning, by copper post being arranged in liquid storage tank to prop up
Support effectively increases air bubble liquid-membrane surface area, realizes the large-scale production of nanofiber so that bubble relies on copper post extension liquid film,
And guarantee production safety.
A kind of air bubble liquid-membrane device for spinning that purpose according to the present invention proposes, including fiber generating device and reception fill
It sets, the fiber generating device includes liquid storage tank, the HV generator and bubble generator that are connected to respectively with liquid storage tank,
It is characterized in that, the fiber generating device further includes the conductive column being set to inside the liquid storage tank, and the conductive column is towards institute
The side for stating reception device extends；
Solution in liquid storage tank blows out bubble through the bubble generator, and bubble is under the action of air-flow along the conductive column
Outer wall grows up extension liquid film；The HV generator is connected to inside liquid storage tank by a conductor wire, in electric field force
Under the action of liquid film be stretched, solution top jet go out collecting nanofibers in the reception device.
Preferably, the conductive column is several being vertically installed in the liquid storage tank, and bubble is under the action of air-flow
Extension liquid film is grown up along the conductive column first, later between adjacent conductive column and between conductive column and liquid storage tank inner wall into one
Step extends and forms liquid film.
Preferably, the conductive column be equal in length or part is equal or different in size, it is described conduction column dimension by storing up
Liquid pool edge is to middle part gradually increasing or decreasing.
Preferably, the conductive top end is cylindric or cone-shaped structure, the conductive column surface be smooth surface or
Zigzag structure.
Preferably, the arrangement mode of the conductive column is uniform or non-homogeneous, and spread geometry is cyclic annular, rectangular or oneself
By shape.
Preferably, the conductive column is copper post, and the copper post top is apart from liquid storage tank open top 0-10cm.
Preferably, the bubble generator includes air compressor and gas-guide tube, and the gas-guide tube is connected to the liquid storage
The bottom in pond；The gas-guide tube is transversely and horizontally set, the end of the gas-guide tube by laterally switch to straight up, formed opening to
On export mouth, the export mouth opening diameter range is 0-10cm, the bottom of the export mouth and liquid storage bottom of pond portion away from
It is 0-10cm from range.
Preferably, the air compressor current rate range is 10-1000L/min, is connected on the air compressor
There is N (1≤N≤1000) a gas-guide tube, when liquid storage tank is a big liquid storage tank, N number of gas-guide tube is connected to the big liquid storage
In pond, when liquid storage tank includes the junior unit liquid storage tank that one big liquid storage tank is distributed in several in big liquid storage tank, Mei Yi little
A gas-guide tube is at least communicated in unit liquid storage tank.
Preferably, also inserted with a conduit inside the liquid storage tank, the conduit inside forms wire channel, high pressure
The conductor wire of electrostatic generator is connected in the liquid storage tank along the wire channel, and the conductor wire outer diameter and the conducting wire are logical
Road internal diameter matches.
Preferably, topmost opening is higher than liquid storage tank the top opening to the conduit or at least above liquid level is arranged.
Compared with prior art, the advantages of air bubble liquid-membrane device for spinning disclosed by the invention, is:
By conductive column being arranged in liquid storage tank to realize supporting role, bubble first prolongs the device for spinning by conductive column
Liquid film is opened up, extends between conductive column and between conductive column and liquid storage tank inner wall form bigger liquid film later, make air bubble liquid-membrane table
Area increasing is many times larger, and conductive column increases air bubble liquid-membrane electric conductivity, stretches air bubble liquid-membrane under electric field force effect and carries out
Spinning is beaten, it can be achieved that the high efficiency of micron or nanofiber, low power consuming, continuous production for the large-scale production of nanofiber
Lower basis, high production efficiency, production cost are low.And equipment is simple, and it is easy to operate, it is adaptable, produce in enormous quantities and produce to meet
The demand to nanofiber and its Related product such as product application provides help.
The phenomenon that device for spinning is needleless spinning, is not in fiber blocking spinning nozzle, and not will cause solution dirt
Dye, the optional range of solution polymer is big, relatively flexibly, while ensure that the safety of working environment.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of air bubble liquid-membrane device for spinning disclosed by the invention.
Fig. 2 is the top view of liquid storage tank in Fig. 1.
Fig. 3 is the top view of liquid storage tank in embodiment 2.
The title of corresponding component representated by number or letter in figure:
1, liquid storage tank；2, conduit；3, conductor wire；4, HV generator；5, reception device；6, export mouth；7, empty
Air compressor；8, gas-guide tube；9, copper post；1-1, junior unit liquid storage tank.
Specific embodiment
Just as described in the background section, there are some defects, spinning production efficiencys for traditional nano electrostatic spining technology
Lowly, large-scale production can not be carried out, it is even more impossible to meet the requirement of products application.
The present invention aiming at the shortcomings in the prior art, provides a kind of air bubble liquid-membrane device for spinning, by liquid storage tank
Conductive column is set to support, so that bubble relies on conductive column extension liquid film, effectively increases air bubble liquid-membrane surface area, realizes micro-nano
The large-scale production of fiber, and guarantee production safety.
Technical solution of the present invention will be clearly and completely described by specific embodiment below.Obviously, it is retouched
The embodiment stated is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without creative efforts, belongs to the present invention
The range of protection.
Referring to Figure 1, a kind of air bubble liquid-membrane device for spinning, including fiber generating device and reception device, fiber fill
The HV generator 4 and bubble generator being connected to including liquid storage tank 1, respectively with liquid storage tank 1 are set, fiber generating device also wraps
The conductive column being set to inside liquid storage tank 1 is included, conductive column extends towards the side of reception device；Conductive column is preferably adopted in the present invention
Use copper post.
Bubble generator includes air compressor 7 and gas-guide tube 8, and gas-guide tube 8 is connected to the bottom of liquid storage tank 1.Gas-guide tube
The one end for being inserted into liquid storage tank forms air-flow export mouth 6, and air-flow is conveyed by gas-guide tube and is expelled in liquid storage tank by export mouth, will
Solution in liquid storage tank blows out bubble.
When specifically used, the solution in liquid storage tank 1 blows out bubble through bubble generator, and bubble is under the action of air-flow along copper
Column outer wall grows up extension liquid film；HV generator is connected to inside liquid storage tank by a conductor wire, in electric field force
It acts on lower liquid film to be stretched, the collecting nanofibers that solution top jet goes out are in reception device 5.
Preferably, copper post is several being vertically installed in liquid storage tank 1, and bubble is under the action of air-flow first along copper post
Extension liquid film is grown up, further extension forms liquid film between adjacent copper post and between copper post and liquid storage tank inner wall later.Specifically
Ground, 9 the top of copper post in liquid storage tank 1 are 0-10cm, 1 diameter model of liquid storage tank apart from the top altitude range that is open of liquid storage tank 1
It encloses for 0-300cm, 1 depth bounds of liquid storage tank are 0-300cm, and liquid storage tank 1 is topmost open the distance between reception device 5
Range is 0-100m, and 9 quantitative range of copper post in liquid storage tank 1 is 0-1000.Depending on dimensions above and quantity are as needed,
Herein with no restrictions.
Liquid storage tank internal solution can be single polymer solution or a variety of mixed polymer solution.
9 the top of copper post can be smooth surface or zigzag, copper post appearance for cylindric or coniform tip, surface
Face can also be regular shape or irregular shape, and spread geometry can be cyclic annular, rectangular or other free shapes.It is cylindric most
Upper end diameter range is 0-10cm, and coniform tip the top diameter range is 0-5cm.By using cone-shaped structure shape
Formula can further improve bubble breaking rate.Depending on the above shape and size are as needed, herein with no restrictions.
In addition, the length of conductive column can be equal or part is equal or different in size, the size of conductive column can be by liquid storage tank
Edge is to middle part gradually increasing or decreasing.Spinning area can further be increased by various sizes of setting, fiber is improved and spin
Silk efficiency.
Preferably, gas-guide tube 8 is transversely and horizontally set, the end of gas-guide tube by laterally switch to straight up, formed opening to
On export mouth 6, the diameter range of gas-guide tube 8 is 0-10cm, and export mouth opening diameter range is 0-10cm, and export mouth is most
The distance range of lower end and liquid storage bottom of pond portion is 0-10cm.
Wherein, export mouth can be cone structure, and upper end opening is small compared with bottom, by adjusting air compressor, so that air-flow
It is discharged after further being compressed at export mouth, so that the upward high speed ejection air-flow of export mouth, largely forms bubble, improves production effect
Rate is high.
Preferably, 7 current rate range of air compressor is 10-1000L/min, is connected with N (1 on air compressor 7
≤ N≤1000) a gas-guide tube 8, when liquid storage tank is a big liquid storage tank, N number of gas-guide tube is connected in the big liquid storage tank, when
When liquid storage tank includes that one big liquid storage tank is distributed in the junior unit liquid storage tank 1-1 in big liquid storage tank with several, each junior unit
A gas-guide tube 8 is at least communicated in liquid storage tank.
Also inserted with a conduit 2 inside liquid storage tank 1, conduit inside forms wire channel, wire channel diameter range
For 0-5cm.The conductor wire 3 of HV generator 4 is connected in liquid storage tank 1 along wire channel, and conductor wire outer diameter and conducting wire are logical
Road internal diameter matches, and makes conductor wire 3 just by will not remain too many space in this way remains in solution in wire channel, keeps away
The pollution problem in device for spinning use process is exempted from.
Preferably, topmost opening is topmost open conduit higher than liquid storage tank 1 or at least above liquid level is arranged, using even
Logical device principle avoids solution and topmost oozes out from wire channel.
As shown in Figure 1, the copper post 9 in liquid storage tank 1 connects conduction under the action of HV generator 4, export in this way
Incipient bubble at mouth 6 is grown under the action of air-flow along copper post 9, and bubble is enable to connect under the supporting role of copper post 9,
Increase spinning area, extends the rupture time of bubble, and conductive copper post increases liquid film electric conductivity, substantially increases spinning
Silk efficiency.
The working principle of air bubble liquid-membrane device for spinning of the present invention is: liquid storage tank 1 being filled spinning solution first when use, is led to
Crossing the external gas-guide tube 8 of air compressor 7, the moment concentration from export mouth 6 acts on solution by air-flow, makes solution in export mouth 6
Place is blown to bubble, and incipient bubble is grown under the action of air-flow along copper post 9 in liquid storage tank 1, enables bubble in copper post 9
It is connected under supporting role.HV generator 4 is connected, air bubble liquid-membrane is conductive by the transmitting effect of conductor wire 3 and by electric field
Power stretches, and conductive copper post increases liquid film electric conductivity, finally, obtained nanofiber is received in reception device 5.
Embodiment 1
As shown in Figure 1, 2, liquid storage tank 1 is filled spinning solution first when in use by the present invention, by air compressor 7 outside
By air-flow, the moment concentration from export mouth 6 acts on solution to the gas-guide tube 8 connect, so that solution is blown to bubble at export mouth 6, stores up
Incipient bubble is grown under the action of air-flow along copper post 9 in liquid pool 1, and wherein copper post 9 arranges top view such as Fig. 2 in liquid storage tank 1
Shown, arrangement annular in shape enables bubble to connect under the supporting role of copper post 9.Connect HV generator 4, bubble
Liquid film is conductive by the transmitting effect of conductor wire 3 and is stretched by electric field force, and conductive copper post increases liquid film electric conductivity.Most
Afterwards, obtained nanofiber is received in reception device 5.
Embodiment 2
As shown in figure 3, remaining is same as Example 1, the difference is that, liquid storage tank is divided into multiple and different junior unit storages
Liquid pool 1-1,7 external 7 gas-guide tubes 8 of air compressor, the corresponding junior unit liquid storage tank 1-1 of each gas-guide tube 8, respectively more
Nanofibers are formed above a junior unit liquid storage tank.
In addition, metal ring or magnet can be also set between fiber generating device and reception device, to restrain jet stream,
Guarantee the order of nanofibers.
The invention discloses a kind of air bubble liquid-membrane device for spinning, the device for spinning is by being arranged copper post in liquid storage tank with reality
Existing supporting role, first bubble rely on copper post extension liquid film, and extend between copper post and between copper post and liquid storage tank inner wall shape later
The liquid film of Cheng Geng great increases air bubble liquid-membrane surface area many times larger, and copper post increases air bubble liquid-membrane electric conductivity, in electric field force
The lower air bubble liquid-membrane that stretches of effect carries out spinning, it can be achieved that the high efficiency of micron or nanofiber, low power consuming, continuous production；For
The large-scale production of nanofiber lays the foundation, high production efficiency, and production cost is low.And equipment is simple, easy to operate, adaptability
By force, help is provided to the needs of nanofiber and its Related product to meet mass production and products application etc..
The phenomenon that device for spinning is needleless spinning, is not in fiber blocking spinning nozzle, and not will cause solution dirt
Dye, the optional range of solution polymer is big, relatively flexibly, while ensure that the safety of working environment.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (9)
1. a kind of air bubble liquid-membrane device for spinning, including fiber generating device and reception device, the fiber generating device includes storage
Liquid pool, the HV generator and bubble generator being connected to respectively with liquid storage tank, which is characterized in that the fiber generating device
It further include the conductive column being set to inside the liquid storage tank, the conductive column extends towards the side of the reception device, described
Conductive column is several being vertically installed in the liquid storage tank, and bubble is upward along the conductive column first under the action of air-flow
Extension liquid film is grown, further extension forms liquid film between adjacent conductive column and between conductive column and liquid storage tank inner wall later；
Solution in liquid storage tank blows out bubble through the bubble generator, and bubble is under the action of air-flow along the conductive column outer wall
Grow up extension liquid film；The HV generator is connected to inside liquid storage tank by a conductor wire, in the work of electric field force
It is stretched with lower liquid film, the collecting nanofibers that solution top jet goes out are in the reception device.
2. air bubble liquid-membrane device for spinning according to claim 1, which is characterized in that the conductive column be equal in length or
Part is equal or different in size, and the conduction column dimension is from liquid storage tank edge to middle part gradually increasing or decreasing.
3. air bubble liquid-membrane device for spinning according to claim 1, which is characterized in that it is described conduction top end be it is cylindric or
Cone-shaped structure, the conductive column surface are smooth surface or zigzag structure.
4. air bubble liquid-membrane device for spinning according to claim 1, which is characterized in that the arrangement mode of the conductive column is equal
Even or non-homogeneous, spread geometry is cyclic annular, rectangular or free shape.
5. air bubble liquid-membrane device for spinning according to claim 1-4, which is characterized in that the conductive column is copper
Column, the copper post top is apart from liquid storage tank open top 0-10cm.
6. air bubble liquid-membrane device for spinning according to claim 1, which is characterized in that the bubble generator includes air pressure
Contracting machine and gas-guide tube, the gas-guide tube are connected to the bottom of the liquid storage tank；The gas-guide tube is transversely and horizontally set, the air guide
By the export mouth for laterally switching to form opening upwards straight up, the export mouth opening diameter range is 0-for the end of pipe
10cm, the bottom of the export mouth and the distance range of liquid storage bottom of pond portion are 0-10cm.
7. air bubble liquid-membrane device for spinning according to claim 6, which is characterized in that the air compressor current rate model
It encloses for 10-1000L/min, is connected with N number of gas-guide tube on the air compressor, when liquid storage tank is a big liquid storage tank, N
A gas-guide tube is connected in the big liquid storage tank, when liquid storage tank is distributed in big liquid storage tank with several including one big liquid storage tank
When interior junior unit liquid storage tank, a gas-guide tube is at least communicated in each junior unit liquid storage tank；Wherein, N is more than or equal to 1 and small
In equal to 1000.
8. air bubble liquid-membrane device for spinning according to claim 1, which is characterized in that also inserted with one inside the liquid storage tank
Conduit, the conduit inside form wire channel, and the conductor wire of HV generator is connected to along the wire channel
In the liquid storage tank, the conductor wire outer diameter matches with the wire channel internal diameter.
9. air bubble liquid-membrane device for spinning according to claim 8, which is characterized in that topmost opening is higher than the conduit
Liquid storage tank opening or at least above liquid level setting topmost.
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| CN201710142406.7A CN106835305B (en) | 2017-03-10 | 2017-03-10 | A kind of air bubble liquid-membrane device for spinning |
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| CN201710142406.7A CN106835305B (en) | 2017-03-10 | 2017-03-10 | A kind of air bubble liquid-membrane device for spinning |
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| CN106835305B true CN106835305B (en) | 2019-01-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107675275B (en) * | 2017-11-17 | 2020-11-03 | 苏州大学 | Two-dimensional ultrathin material and preparation method thereof |
| CN108034995B (en) * | 2018-01-12 | 2023-09-26 | 华南协同创新研究院 | Solid needle electrostatic spinning equipment |
| CN108085755A (en) * | 2018-02-12 | 2018-05-29 | 苏州大学 | Bubble generator, multi-functional air bubble spinning device and method |
| CN115305585B (en) * | 2022-09-16 | 2024-04-19 | 浙江理工大学 | Spherical cambered surface strong electric field steady-state bubble electrostatic spinning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201195772Y (en) * | 2008-05-15 | 2009-02-18 | 东华大学 | Hubble-bubble spinning apparatus with temperature control apparatus |
| GB2494277A (en) * | 2011-08-29 | 2013-03-06 | Univ Heriot Watt | Electro-spinning nanofibres onto a moving wire card |
| US20160083868A1 (en) * | 2013-04-17 | 2016-03-24 | Finetex Ene, Inc. | Electrospinning apparatus |
| CN203715800U (en) * | 2013-12-17 | 2014-07-16 | 苏州大学 | Bubble electrospinning device |
| CN204898131U (en) * | 2015-06-03 | 2015-12-23 | 苏州大学 | Bubble electrostatic spinning device |
| CN205062251U (en) * | 2015-09-16 | 2016-03-02 | 苏州大学 | Bubble electrospinning device |
| CN105274634B (en) * | 2015-11-06 | 2017-07-14 | 苏州大学 | A kind of bubble electrostatic spinning apparatus |
| CN205258673U (en) * | 2015-11-25 | 2016-05-25 | 苏州大学 | Bubble electrospinning device |
| CN205329216U (en) * | 2015-12-22 | 2016-06-22 | 苏州大学 | Preparation millimicron compound fiber's bubble spinning equipment |
| CN205603730U (en) * | 2016-03-31 | 2016-09-28 | 苏州大学 | Bubble electrostatic spinning system of preparation composite fiber material |
| CN105926058B (en) * | 2016-07-18 | 2018-03-02 | 苏州大学 | A kind of funneling jet device for spinning |
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