CN107447267A - For the shower nozzle for the high-voltage electrostatic spinning apparatus for mass producing nanofiber - Google Patents
For the shower nozzle for the high-voltage electrostatic spinning apparatus for mass producing nanofiber Download PDFInfo
- Publication number
- CN107447267A CN107447267A CN201710668694.XA CN201710668694A CN107447267A CN 107447267 A CN107447267 A CN 107447267A CN 201710668694 A CN201710668694 A CN 201710668694A CN 107447267 A CN107447267 A CN 107447267A
- Authority
- CN
- China
- Prior art keywords
- shower nozzle
- electrostatic spinning
- capillary
- stainless steel
- voltage electrostatic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010041 electrostatic spinning Methods 0.000 title claims abstract description 28
- 239000002121 nanofiber Substances 0.000 title claims abstract description 28
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 27
- 239000010935 stainless steel Substances 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000009987 spinning Methods 0.000 abstract description 26
- 239000012530 fluid Substances 0.000 abstract description 19
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000012528 membrane Substances 0.000 abstract description 7
- 239000000243 solution Substances 0.000 description 26
- 229920002521 macromolecule Polymers 0.000 description 15
- 238000001523 electrospinning Methods 0.000 description 11
- 230000005684 electric field Effects 0.000 description 10
- 239000000835 fiber Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 239000011324 bead Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 210000005239 tubule Anatomy 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003519 biomedical and dental material Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention discloses a kind of shower nozzle for being used to mass produce the high-voltage electrostatic spinning apparatus of nanofiber, including hollow base and stainless steel capillary, the bottom of the hollow base is provided with threaded connector, the top of the hollow base is provided with capillary bayonet socket, the bottom of the stainless steel capillary and the capillary bayonet connection, the top end face of the stainless steel capillary are provided with tiny breach.The design of breach can reduce the height of taylor cone bottom surface during electrostatic spinning, solve more shower nozzle gate width high-voltage electrostatic spinning apparatus indivedual shower nozzle tops taylor cone is excessive in the course of the work and cause spinning solution to accumulate, be finally integrally adsorbed to and cause the secondary dissolving of nano fibrous membrane to be destroyed on collection device.The present invention will survey fluid spills during bottom solves the problems, such as multi-nozzle high-voltage electrostatic spinning production nano fibrous membrane and cause final finished fault.
Description
Technical field
The invention belongs to electrostatic spinning field, and in particular to a kind of high-pressure electrostatic for being used to mass produce nanofiber is spun
The shower nozzle of silk equipment.
Background technology
Electrostatic spinning is a kind of special fiber fabrication process, and polymer solution or melt carry out injection spinning in highfield
Silk, under electric field action, the drop at shower nozzle can be changed into conical (i.e. " taylor cone ") from spherical, and extend from conical tip
To fiber filaments, this mode can produce the polymeric fibre material of submicron order or nanometer grade diameter.Pass through electrostatic
Spining technology prepares the most important academic and technology that nano-fiber material is world's materials science field in recent ten years
One of activity, electrostatic spinning and so that its manufacture device is simple, cost of spinning is cheap, can spin substance classes are various, technique is controllable etc.
Advantage, it has also become effectively prepare one of main path of nano-fiber material.With the development of nanometer technology, electrostatic spinning conduct
A kind of simple and effective New Processing for producing nanofiber, will bio-medical material, filtering and protection, catalysis,
Play a great role in the fields such as the energy, photoelectricity, food engineering, cosmetics.
Conventional electrostatic spinning apparatus is that polymeric fluid is transported to the single nozzle nozzle for being connected to high voltage power supply, macromolecule
Fluid forms micro nanometer fiber under the effect of high voltage electric field power, and is deposited in the negative terminal surface reception device of ground connection, fiber with
Machine accumulation superposition forms thin-film material.But because single shower nozzle operating efficiency is extremely low, it is difficult to meet industrialized production requirement,
For this, many scholars have carried out a large amount of improvement researches to each component of electric spinning device in recent years, for example have experts and scholars to devise
Without nozzle electrospinning component (Chinese patent CN102140701B), shower nozzle (Chinese patent CN101225554A), more spray arranged side by side
Head (world patent WO2006049664, WO2005099308；Chinese patent ZL200410025622.6, CN100455705C
Deng), high efficiency, ordering and the technology of rule membranization production that these technologies meet electrostatic spinning production to a certain extent need
Ask.
In without nozzle electrospinning device, because filament spinning component is immersed in macromolecule spinning solution fluid, polymeric flow
Body is exposed in atmosphere, and viscosity can drastically change, the nanofiber product matter of production with the volatilization of temperature and solvent
Amount is difficult control, and final production nanofiber film quality is uneven, and quality is uncontrollable.In more sprinkler equipments, shower nozzle and spray
Electric field between head can produce reciprocal influence unavoidably, cause the charge density on spherical droplets surface on only a few shower nozzle top very
It is few, it is impossible to be effectively formed taylor cone, polymeric fluid can not be drawn into fiber and seriously be accumulated in shower nozzle nozzle, finally quilt
It is adsorbed on collecting nanofibers device, causes nano fibrous membrane is secondary to dissolve and be destroyed generation fault.Therefore it is current more
Nozzle electrospinning device is only used for producing some to fault without the production of the nanofibers such as the air filting material of too high request
Product, be not used to produce at all similar battery diaphragm and waterproof ventilated membrane etc. some to the uniformity and the exigent production of fault
Product.
The content of the invention
A kind of on the other hand, the present invention is intended to provide spray for being used to mass produce the high-voltage electrostatic spinning apparatus of nanofiber
Head, with solve multi-nozzle electrospinning device at work indivedual shower nozzles due to by electric jamming spinning and spinning can not be caused
The problem of fluid spills.
Realizing the technical scheme of the object of the invention is：
A kind of shower nozzle for being used to mass produce the high-voltage electrostatic spinning apparatus of nanofiber, including hollow base and stainless
Steel wool tubule, the bottom of the hollow base are provided with threaded connector, and the top of the hollow base is provided with capillary pipe clamp
Mouthful, the bottom of the stainless steel capillary and the capillary bayonet connection, the top end face of the stainless steel capillary are provided with
Tiny breach.
In above-mentioned technical proposal, the internal diameter of the hollow base is 0.1~10mm.
In above-mentioned technical proposal, the threaded connector, hollow base, the material of capillary bayonet socket are aluminium, copper or stainless
Steel.
In above-mentioned technical proposal, the external diameter of the stainless steel capillary is 0.4~2mm, and internal diameter is 0.2~1.8mm, length
For 10~100mm.
In above-mentioned technical proposal, the width of the breach is 0.1~2mm, and the depth of breach is 0.1~2mm.
In above-mentioned technical proposal, the breach is shaped as del, rectangle, semicircle.
In above-mentioned technical proposal, the quantity of the breach is 1~8.
The present invention has positive effect：In the present invention, because the top end face of stainless steel capillary is provided with tiny lack
Mouthful, during high-voltage electrostatic spinning, the taylor cone that macromolecule spinning solution fluid is formed is in the presence of breach, taylor cone bottom
Be down to the lower end place of breach position, when part shower nozzle by around shower nozzle electric field is influenceed when, it is impossible to normal spinning shape
Macromolecule spinning solution fluid into nanofiber will not form spinning solution bead at the top end face of capillary, but in time from
The problem of outer wall of the indentation, there along capillary wall is slid on the surface of solution tank so as to cause fluid spills.The present invention
Part shower nozzle can not be just due to the influence by surrounding electric field during finally efficiently solving multi-nozzle high-voltage electrostatic spinning
So as to caused by the problem of the splashing of macromolecule spinning solution fluid drop, the multi-nozzle high-voltage using the shower nozzle of the present invention is quiet for often work
The nano fibrous membrane of electrospinning device production is uniformly without fault.
Brief description of the drawings
Fig. 1 is the structural representation of shower nozzle in the present invention；
Fig. 2 is the close-up schematic view at the top of stainless steel capillary in Fig. 1；
Fig. 3 is multi-nozzle electrospinning device structural representation.
Wherein it is labeled as：1-stainless steel capillary, 2-capillary bayonet socket, 3-hollow base, 4-tube chamber, 5-screw thread
Connector, 6-capillary wall, the top end face of 7-capillary, 8-breach, 9-macromolecule spinning solution, 10-taylor cone, 11-
Taylor cone bottom, 01-electrospinning device jet head sets, 010-electrospinning device shower nozzle, 011-solution tank, 02-nanometer
Fiber collecting conveyor, 021-conveyer belt.
Embodiment
The concrete structure in the present invention is done with explanation with reference to Figure of description：
The shower nozzle for being used to mass produce the high-voltage electrostatic spinning apparatus of nanofiber in the present invention, such as Fig. 1 and Fig. 2 institutes
Show, it mainly includes hollow base 3 and stainless steel capillary 1, and the bottom of the hollow base 3 is provided with threaded connector 5, institute
The top for stating hollow base 3 is provided with capillary bayonet socket 2, and the hollow base 3 is hollow hexagon, the stainless steel wool
The bottom of tubule 1 is connected with the capillary bayonet socket 2, and the inner chamber of stainless steel capillary 1 and the tube chamber of hollow base 3 connect
Logical, the top end face 7 of the stainless steel capillary 1 is provided with tiny breach 8.When installing and using by multiple electrospinning devices
The upper surface that shower nozzle 010 is fixed on solution tank 011 forms electrospinning device jet head sets 01, as shown in figure 3, solution tank 011 has
The inner chamber of one closing is used to store macromolecule spinning solution 9, and macromolecule spinning solution 9 is in the presence of high voltage electric field in Stainless Steel Capillary
Top end is first drafted to form taylor cone 10 in pipe 1, is finally drafted division and forms biography of the nanofibres deposit above shower nozzle
Send on band 021 and send away to form nano-fiber film by collecting nanofibers conveyer 02, can not be led on indivedual shower nozzles
Stretch capillary wall 6 outer wall of the macromolecule spinning solution fluid to form nanofiber eventually through breach along stainless steel capillary 1
The problem of trickling on the upper surface of the solution tank of the lower section of shower nozzle 010 so as to not cause fluid spills.
In the present embodiment, the external diameter of the stainless steel capillary is 0.4~2mm, and internal diameter is 0.2~1.8mm, length 10
~100mm, it is preferred that the length of stainless steel capillary 1 is 20mm, external diameter 1mm, internal diameter 0.8mm, the threaded connector
5th, hollow base 3, capillary bayonet socket 2 are integrated and are process, and material can be the metal materials such as aluminium, copper or stainless steel, tube chamber 4
A diameter of 0.1~10mm, preferably 5mm.
In the present embodiment, the thickness of capillary wall is 1.5mm, and the width of the breach is 0.1~2mm, the depth of breach
For 0.1~2mm, the breach is shaped as del, rectangle, semicircle, and the quantity of breach is 1 to 8.
Shown in Fig. 3, the quantity of shower nozzle 010 in an electrospinning device jet head sets is 1~100000, along conveyer belt
021 traffic direction and the traffic direction of vertical conveyors 021 are spaced substantially equidistant configuration, adjacent shower nozzle in the upper surface of solution tank 011
Between distance be 50mm, and shower nozzle configures vertically upward.
The distance of conveyer belt 021 and the top end face of shower nozzle 010 in collecting nanofibers conveyer 02 is 300mm, and
Solution tank 011 is connected with the positive pole of high voltage power supply, and conveyer belt 021 is connected with the negative pole of high voltage power supply.
In the present invention, the output voltage of high voltage power supply is 50KV, and the viscosity of macromolecule spinning solution fluid is 200cps, single
The average liquid supply rate of shower nozzle is 1g/h, and the operation linear velocity of conveyer belt 021 adjusts according to the requirement of produced product.
In the present invention, because the top end face 7 of stainless steel capillary 1 is provided with tiny breach 8, in high-voltage electrostatic spinning mistake
Cheng Zhong, in the presence of breach 8, taylor cone bottom 11 is under breach the taylor cone 10 that macromolecule spinning solution fluid 9 is formed
Hold place position, when part shower nozzle by around shower nozzle electric field is influenceed when, it is impossible to normal spinning forms nanofiber
Macromolecule spinning solution fluid 9 will not form spinning solution bead at the top end face 7 of capillary, but in time from edge at breach 8
Capillary wall to slide to the surface of solution tank.It is of the invention finally to efficiently solve in the middle part of multi-nozzle high-voltage electrostatic spinning process
Divide shower nozzle due to being influenceed by surrounding electric field and cisco unity malfunction macromolecule spinning solution fluid drop splashing so as to caused by
The problem of, the nano fibrous membrane produced using the multi-nozzle high-voltage electrostatic spinning apparatus of the shower nozzle of the present invention is uniformly without fault.
And when the top non-notch of the stainless steel capillary of shower nozzle, indivedual shower nozzles during electrostatic spinning due to by
The influence of the electric field of adjacent shower nozzle, macromolecule spinning solution fluid can not be separated to form nanofiber by effective drawing-off, and cause height
Molecule spinning solution fluid gradually accumulates to form macromolecule spinning solution fluid bead at capillary tip face, and bead is more long-pending bigger,
Finally integrally be adsorbed in the presence of electric field force caused on conveyer belt 021 nano fibrous membrane finished product it is secondary be dissolved and shape
Into fault.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.And these
The obvious changes or variations that the connotation for belonging to of the invention is extended out still falls within protection scope of the present invention.
Claims (7)
1. a kind of shower nozzle for being used to mass produce the high-voltage electrostatic spinning apparatus of nanofiber, it is characterised in that including hollow
Base and stainless steel capillary, the bottom of the hollow base are provided with threaded connector, and the top of the hollow base is connected with
There are capillary bayonet socket, the bottom of the stainless steel capillary and the capillary bayonet connection, the top of the stainless steel capillary
End face is provided with tiny breach.
2. a kind of shower nozzle for being used to mass produce the high-voltage electrostatic spinning apparatus of nanofiber according to claim 1,
Characterized in that, the internal diameter of the hollow base is 0.1~10mm.
3. a kind of shower nozzle for being used to mass produce the high-voltage electrostatic spinning apparatus of nanofiber according to claim 1,
Characterized in that, the threaded connector, hollow base, the material of capillary bayonet socket are aluminium, copper or stainless steel.
4. a kind of shower nozzle for being used to mass produce the high-voltage electrostatic spinning apparatus of nanofiber according to claim 1,
Characterized in that, the external diameter of the stainless steel capillary is 0.4~2mm, internal diameter is 0.2~1.8mm, and length is 10~100mm.
5. a kind of shower nozzle for being used to mass produce the high-voltage electrostatic spinning apparatus of nanofiber according to claim 1,
Characterized in that, the width of the breach is 0.1~2mm, the depth of breach is 0.1~2mm.
6. a kind of shower nozzle for being used to mass produce the high-voltage electrostatic spinning apparatus of nanofiber according to claim 5,
Characterized in that, the breach is shaped as del, rectangle, semicircle.
7. a kind of shower nozzle for being used to mass produce the high-voltage electrostatic spinning apparatus of nanofiber according to claim 1,
Characterized in that, the quantity of the breach is 1~8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710668694.XA CN107447267A (en) | 2017-08-08 | 2017-08-08 | For the shower nozzle for the high-voltage electrostatic spinning apparatus for mass producing nanofiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710668694.XA CN107447267A (en) | 2017-08-08 | 2017-08-08 | For the shower nozzle for the high-voltage electrostatic spinning apparatus for mass producing nanofiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107447267A true CN107447267A (en) | 2017-12-08 |
Family
ID=60489480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710668694.XA Pending CN107447267A (en) | 2017-08-08 | 2017-08-08 | For the shower nozzle for the high-voltage electrostatic spinning apparatus for mass producing nanofiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107447267A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273190A (en) * | 2018-07-19 | 2019-09-24 | 武汉纺织大学 | Based on the uniformly distributed mutliblade open electrospinning nozzle of annular |
| CN110725018A (en) * | 2019-11-07 | 2020-01-24 | 吉林大学 | Bionic anti-blocking spinning nozzle for electrostatic spinning |
| CN111020717A (en) * | 2018-10-10 | 2020-04-17 | 博裕纤维科技（苏州）有限公司 | Spinneret and spinning unit for electrostatic spinning of nanofibers |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100756898B1 (en) * | 2006-12-13 | 2007-09-07 | 전북대학교산학협력단 | Electrospinning devices |
| KR100756893B1 (en) * | 2006-12-13 | 2007-09-07 | 전북대학교산학협력단 | Electrospinning devices |
| JP2012224946A (en) * | 2011-04-14 | 2012-11-15 | Nanofactory Japan Co Ltd | Method for manufacturing filter using nanofiber |
| JP2016053230A (en) * | 2014-09-04 | 2016-04-14 | 富士フイルム株式会社 | Electro-spinning nozzle, and method and apparatus for producing nanofiber |
| CN207391604U (en) * | 2017-08-08 | 2018-05-22 | 浙江佳海新材料有限公司 | For mass producing the nozzle of the high-voltage electrostatic spinning apparatus of nanofiber |
-
2017
- 2017-08-08 CN CN201710668694.XA patent/CN107447267A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100756898B1 (en) * | 2006-12-13 | 2007-09-07 | 전북대학교산학협력단 | Electrospinning devices |
| KR100756893B1 (en) * | 2006-12-13 | 2007-09-07 | 전북대학교산학협력단 | Electrospinning devices |
| JP2012224946A (en) * | 2011-04-14 | 2012-11-15 | Nanofactory Japan Co Ltd | Method for manufacturing filter using nanofiber |
| JP2016053230A (en) * | 2014-09-04 | 2016-04-14 | 富士フイルム株式会社 | Electro-spinning nozzle, and method and apparatus for producing nanofiber |
| CN207391604U (en) * | 2017-08-08 | 2018-05-22 | 浙江佳海新材料有限公司 | For mass producing the nozzle of the high-voltage electrostatic spinning apparatus of nanofiber |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273190A (en) * | 2018-07-19 | 2019-09-24 | 武汉纺织大学 | Based on the uniformly distributed mutliblade open electrospinning nozzle of annular |
| CN110273190B (en) * | 2018-07-19 | 2021-10-08 | 武汉纺织大学 | Open electrospinning nozzle based on annular uniform distribution multiple blades |
| CN111020717A (en) * | 2018-10-10 | 2020-04-17 | 博裕纤维科技（苏州）有限公司 | Spinneret and spinning unit for electrostatic spinning of nanofibers |
| CN110725018A (en) * | 2019-11-07 | 2020-01-24 | 吉林大学 | Bionic anti-blocking spinning nozzle for electrostatic spinning |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171208 |
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| RJ01 | Rejection of invention patent application after publication |