CN205556862U - Centrifugation spiral spinning equipment and centrifugation spiral spinning nozzle thereof - Google Patents
Centrifugation spiral spinning equipment and centrifugation spiral spinning nozzle thereof Download PDFInfo
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- CN205556862U CN205556862U CN201620300718.7U CN201620300718U CN205556862U CN 205556862 U CN205556862 U CN 205556862U CN 201620300718 U CN201620300718 U CN 201620300718U CN 205556862 U CN205556862 U CN 205556862U
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Abstract
The utility model discloses a centrifugation spiral spinning equipment and centrifugation spiral spinning nozzle thereof. Centrifugation spiral spinning nozzle includes cavity screw rod and the coaxial helical blade two parts that are connected with it, and helical blade outer fringe terminal surface perpendicular axial evenly distributed has a spinneret orifice, the screw rod high -speed when rotatory the feed liquid blow out from helical blade pointed end spinneret orifice at the centrifugal force effect cavity screw rod of flowing through down. This centrifugation spiral spinning equipment has overcome shortcomings such as current centrifugal spinning equipment structure is complicated, the leakproofness is poor, the spinning homogeneity is good, and the ability is fine satisfies the actual need.
Description
Technical field
This utility model belongs to centrifugal spinning technical field, is specifically related to a kind of centrifugal spiral device for spinning and centrifugal spiral spinneret thereof.
Background technology
Centrifugal spinning and electrostatic spinning are the two kinds of topmost methods preparing superfine fibre at present.Centrifugal spinning is polymer melt or solution is thrown away and the method for fibroblast by pore by centrifugal force produced by the device of high speed rotating and shearing force.Compared to traditional method of electrostatic spinning, the production efficiency of new centrifugal spinning nanotechnology about improves 1000 times, and low cost, spinning efficiency are high, can be used to prepare high polymer, metal, pottery, composite fiber etc..Along with the development of science and technology, centrifugal spinning is used for preparing artificial silk is developed into present prepare nano fibrous membrane by initial.Along with the development of centrifugal spinning, centrifugal electrostatic spinning arises at the historic moment, and centrifugal electrostatic spinning is a kind of new spinning form combined with electrostatic spinning by centrifugal spinning.
Along with research gradually deeply, some outstanding problems of centrifugal spinning display the most day by day, and such as high speed rotating is to problems such as the high request of motor and the quality of bearing, life-span, dampings；When high speed centrifugation spins melt, heater and thermometric, design and the selection complexity of temperature-controlling system；Reception device is tubular, it is difficult to continuous prodution；Fibre diameter does not more slightly reach requirement of related ultra fine fiber etc..Related scientific research personnel have carried out a series of exploration for the shortcoming of centrifugal spinning, although improving device defect to a certain extent, but invention itself there are still some problems: as CN103215666A discloses the device of a kind of novel centrifugal melt electrostatic spinning, it utilizes the common effect of high-tension electricity field force and high speed centrifugation power, macromolecule melt is made to spin nano level superfine fiber, spinning efficiency is improved by the design of multilamellar nozzle, but collection device is thrown away as collecting vessel, product is barreled fibrous membrane, is unfavorable for continuous prodution.An outstanding problem of multilamellar nozzle is that spray webbing is uneven simultaneously, and when requiring higher to the thickness evenness of product, this practical applicability will be had a greatly reduced quality.CN102061530A describes a kind of centrifugal needle-free electrospinning process, principle is to utilize what wire netting made to get rid of bucket as spinning electrode and spinneret, obtain tubular nano-fiber for production of non-woven, structure is complicated, gained nanofiber diameter is at 5nm～1000nm, discrete relatively big, product structure is the most irregular, it is difficult to meet application request.CN102828260A provides a kind of device for spinning: interior round roller, outer cylinder and central shaft form, the outer surface of interior round roller is evenly equipped with outer stud, can be driven by central shaft and be rotated, outer cylinder is a static state or the thin-walled hollow cylinder being fixedly mounted with, outer drum is equipped with interior round roller coaxial combination, and at the highest upper surface, the most uniform 1-3 that has arranges spinneret orifice.Only by the highest upper surface jet spinning during spinning, compare other same size centrifugal spinnings, spinning speed is relatively low, although this patent is by spinneret continuous spinning on one side, the mode that one fabric width direction, edge moves back and forth solves spinning non-uniform phenomenon to a certain extent, but this body structure of device is complicated, preparation cost and making required precision are higher, and reciprocating mode also determines and is difficult to absolute uniform.
Utility model content
In order to solve the shortcomings such as centrifugal spinning structure is complicated, sealing is poor, uniformity is bad, this utility model aims to provide a kind of centrifugal spiral device for spinning and centrifugal spiral spinneret thereof.
In order to realize above-mentioned utility model purpose, the technical scheme that this utility model provides is as follows:
A kind of centrifugal spiral spinneret, including hollow screw and connected coaxial spiral blade two parts, helical blade outer rim end face is perpendicular to axially be evenly distributed with spinneret orifice, and described spinneret orifice connects with described hollow screw.
Further, the orifice diameter on helical blade outer rim end face is less than 0.5mm.
Further, the pitch of helical blade is 5-500mm；The external diameter of helical blade is 10～1000mm；The external diameter of hollow screw is not more than the external diameter of helical blade.
Further, the pitch of helical blade is 20～100mm；The external diameter of helical blade is 50～200mm.
This utility model additionally provides a kind of centrifugal spiral device for spinning, including above-mentioned centrifugal spiral spinneret, and dynamical system, material fluid bath and receive device continuously；Described dynamical system is connected with centrifugal spiral spinneret and material fluid bath respectively.
Further, described continuous reception device is the two groups of winders being parallel to each other, centrifugal spiral spinneret axially axially in parallel with reception device continuously, and centrifugal spiral spinneret is between two groups of winders.
Further, described continuous reception device is that eddy current solidification receives device, described eddy current solidification wrap-up includes radial water flooding device, Whirlpool, collecting tank, water circulating pump and wrap-up, water circulating pump connects collecting tank and radial water flooding device respectively, radial water flooding device ring is wound on around centrifugal spiral spinneret, Whirlpool is arranged on the lower section of centrifugal spiral spinneret, and wrap-up is arranged on below Whirlpool.
Further, also include that extra electric field device, described extra electric field device are arranged at spiral centrifugal spinning head and receive continuously between device.
Further, also including sensing heater, described sensing heater is used for heating centrifugal spiral spinneret and material fluid bath.
Further, described centrifugal spiral spinneret horizontal positioned, or place with the horizontal certain angle, wherein the span of angle theta is: 0 ° of ＜ θ≤90 °.
This utility model has the advantages that
(1) universality: this centrifugal spiral spinning equipment is applicable to most solvable fusible material, uses this equipment can prepare the fibre of various material, and application is wider.
(2) uniformity: the spinneret of this equipment uses the such particular design of helical structure, in spinning process, horizontal homogeneity is excellent, can be formed and have certain fabric width and surface density uniform nanofiber membrane structure, beneficially continuous industry spinning membrane system.
(3) high efficiency: export feed liquid by centrifugal action, picks than spininess extrusion and needleless, and production efficiency is greatly improved 1-3 the order of magnitude；Simultaneously can be by by placed side by side for centrifugal spiral spinneret, multiscrew is arranged in parallel, and improves production efficiency further.
(4) expansion is strong: helical structure is conducive to electric charge to be enriched with, during centrifugal spinning can extra electric field, can further improve production efficiency by electrostatic interaction and reduce fibre diameter.
(5) closed structure: this equipment uses totally-enclosed liquid feeding structure, reduces volatilization and the stability of the viscosity B coefficent of feed liquid, beneficially product quality of solvent in feed liquid in spinning process.
(6) sensing heating: during melt spinning, uses sensing to heat the most non-contacting form and heats screw rod, accurately control spinning temperature, solve the problem rambunctious that melt spinning causes due to heating part on device.
(7) maintenance cost is low: high speed rotating can improve enough centrifugal force, and melt extrusion realizes spinning, it is not necessary to additional extrusion equipment and relevant connection device, sealing device, and device structure is simple, manufactures and maintenance cost is relatively low.
(8) feed flow controllable-rate: feed flow speed, centrifugal speed, extra electric field three regulate and control fiber physical property jointly, it is achieved the accurate control of fiber morphology, improves needleless and spins feed flow velocity on material surface energy and the dependence of viscosity of sludge in electrostatic spinning.
(9) collected by vortex centrifugal, available High ordering special fibre bundle.
Accompanying drawing explanation
Fig. 1 is the structural representation of centrifugal spiral spinneret；
Fig. 2 is centrifugal spiral spinning equipment structural representation in embodiment 1；
Fig. 3 is centrifugal spiral spinning equipment structural representation in embodiment 3.
In figure, 1-hollow screw, 2-helical blade, 3-spinneret orifice, 4-centrifugal spiral spinneret, 5-material fluid bath, 6-dynamical system, 7-receives device, 8-radial water flooding device, 9-water circulating pump, 10-Whirlpool, 11-collecting tank, 12-wrap-up continuously.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, with specific embodiment, this utility model is described further below in conjunction with the accompanying drawings.Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
Embodiment 1
A kind of centrifugal spiral device for spinning, is mainly used in polymer solution or melt are processed into nanofiber.This centrifugal spiral device for spinning includes above-mentioned centrifugal spiral spinneret 4, dynamical system 6, material fluid bath 5 and continuously reception device 7；The helical blade outer rim end face of centrifugal spiral spinneret 4 is perpendicular to axially be evenly distributed with spinneret orifice 3.The a diameter of 30mm of hollow screw 1 of centrifugal spiral spinneret 4, a diameter of 200mm of helical blade 2, pitch is 100mm, a diameter of 0.2mm of spinneret orifice 3, and centrifugal spiral spinneret 4 total length is 1200mm.
Receiving device 7 continuously is two groups of winders being parallel to each other, devices for taking-up fabric width 1000mm, and the distance of distance centrifugal spiral spinneret 4 is 480mm, and the rotating speed of winder is 20m/min.
Use PVAC polyvinylalcohol 1799 to carry out spinning, PVA1799 powder is added in 85 DEG C of hot water, stirring and dissolving, be configured to the spinning liquid that concentration of dope is 15wt%.
Being added by spinning liquid in material fluid bath 5, centrifugal spiral spinneret 4 speed setting is 5000 revs/min, after reaching pre-set velocity, start spinning, feed liquid flows through hollow screw 1 under centrifugal action, sprays from the most advanced and sophisticated spinneret orifice 3 of helical blade 2, obtains the nano fibrous membrane that fiber diameter is 800nm.
Embodiment 2
A kind of centrifugal spiral device for spinning, is mainly used in polymer solution or melt are processed into nanofiber.This centrifugal spiral device for spinning includes above-mentioned centrifugal spiral spinneret 4, dynamical system 6, material fluid bath 5, receives device 7 and extra electric field device (not shown) continuously；The helical blade 2 outer rim end face of centrifugal spiral spinneret 4 is perpendicular to axially be evenly distributed with spinneret orifice 3.Extra electric field device is positioned at and receives in the middle of device 7 and centrifugal spiral spinneret 4 continuously.
The a diameter of 50mm of hollow screw 1 of centrifugal spiral spinneret 4, a diameter of 200mm of helical blade 2, pitch is 500mm, a diameter of 0.1mm of spinneret orifice 3, and centrifugal spiral spinneret 4 total length is 800mm.
Receiving continuously device 7 is two groups of winders being parallel to each other, and devices for taking-up fabric width is 1000mm, and distance centrifugal spiral spinneret 4 is apart from for 480mm, and the rotating speed of winder is 20m/min.
Using PVAC polyvinylalcohol 1799 to carry out spinning, added by PVA1799 powder in 85 DEG C of hot water, stirring and dissolving, be configured to the spinning liquid that concentration of dope is 15wt%, added by spinning liquid in material fluid bath 5, extra electric field device is passed through 10kV voltage.The speed setting of centrifugal spiral spinneret 4 is 5000 revs/min, after reaching pre-set velocity, starts spinning, obtains the nano fibrous membrane that fiber diameter is 400nm.
Embodiment 3
A kind of centrifugal spiral device for spinning, is mainly used in polymer solution or melt are processed into nanofiber.This centrifugal spiral device for spinning includes above-mentioned centrifugal spiral spinneret 4, dynamical system 6, material fluid bath 5, receives device 7 and sensing heater (not shown) continuously；The helical blade 2 outer rim end face of centrifugal spiral spinneret 4 is perpendicular to axially be evenly distributed with spinneret orifice 3.Receive device 7 continuously and receive device for eddy current solidification, including radial water flooding device 8, Whirlpool 10, collecting tank 11, water circulating pump 9 and wrap-up 12 4 part, liquid is extracted out from collecting tank 11 and is squeezed into radial water flooding device 8 by water circulating pump 9, form water curtain to be looped around around centrifugal spiral spinneret 4, and forming eddy current at Whirlpool 10, fiber forms fibre bundle under eddy current effect and is collected by wrap-up 12.
Using melt polypropylene to carry out spinning, polypropylene PP manufacturer is Jinan petrochemical industry, and trade mark H30S, melt flow rate (MFR) is 3g/10min.
The a diameter of 30mm of hollow screw 1 of centrifugal spiral spinneret 4, helical blade 2 diameter 50mm, pitch is 50mm, a diameter of 0.2mm of spinneret orifice 3, and centrifugal spiral spinneret 4 total length is 1200mm.
The a diameter of 1.8m of Whirlpool 10, height is 1.5m, and Whirlpool 10 distance from bottom centrifugal spiral spinneret 4 is apart from for 0.6m.A diameter of 1.8m of collecting tank 11, height is 1.5m.
Set the flow velocity of water circulating pump 9 as 12m/min；Connect sensing heater, set the temperature of material fluid bath 5 and centrifugal spiral spinneret 4 as 230 DEG C；Setting the rotating speed of centrifugal spiral spinneret 4 as 8000 revs/min, start spinning, and carry out rolling by devices for taking-up 12 after reaching preset temperature, rolling speed is 20m/min.
Spinning closes power supply after terminating, and tests fibre bundle, and fiber height orientation in fibre bundle, fibre diameter 800nm, hot strength is promoted to 1000kg/cm2。
Embodiment described above only have expressed embodiment of the present utility model, and it describes more concrete and detailed, but therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that, for the person of ordinary skill of the art, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (10)
1. a centrifugal spiral spinneret, it is characterised in that include hollow screw and connected coaxial
Helical blade two parts, helical blade outer rim end face is perpendicular to axially be evenly distributed with spinneret orifice, described spray webbing
Hole connects with described hollow screw.
A kind of centrifugal spiral spinneret the most according to claim 1, it is characterised in that described helical-blade
Orifice diameter on sheet outer edge face is less than 0.5mm.
A kind of centrifugal spiral spinneret the most according to claim 1, it is characterised in that described helical-blade
The pitch of sheet is 5-500mm；The external diameter of described helical blade is 10～1000mm；Outside described hollow screw
Footpath is not more than the external diameter of helical blade.
A kind of centrifugal spiral spinneret the most according to claim 3, it is characterised in that described helical-blade
The pitch of sheet is 20～100mm；The external diameter of described helical blade is 50～200mm.
5. a centrifugal spiral device for spinning, it is characterised in that include according to any one of claim 1-4
Centrifugal spiral spinneret, dynamical system, material fluid bath and receive device continuously；Described dynamical system respectively with
Centrifugal spiral spinneret and material fluid bath connect.
A kind of centrifugal spiral device for spinning the most according to claim 5, it is characterised in that described continuously
Receiving device is the two groups of winders being parallel to each other, centrifugal spiral spinneret axially with receive assembly axis continuously
To parallel, and centrifugal spiral spinneret is between two groups of winders.
A kind of centrifugal spiral device for spinning the most according to claim 5, it is characterised in that described continuously
Receiving device is that eddy current solidification receives device, and described eddy current solidification wrap-up includes radial water flooding device, whirlpool
Stream pond, collecting tank, water circulating pump and wrap-up, water circulating pump connects collecting tank and radial water flooding dress respectively
Putting, radial water flooding device ring is wound on around centrifugal spiral spinneret, and Whirlpool is arranged on centrifugal spiral spinneret
Lower section, wrap-up is arranged on below Whirlpool.
A kind of centrifugal spiral device for spinning the most according to claim 5, it is characterised in that outside also including
Added electric field device, described extra electric field device is arranged at spiral centrifugal spinning head and receives continuously between device.
A kind of centrifugal spiral device for spinning the most according to claim 5, it is characterised in that also include sense
Heater, described sensing heater is answered to be used for heating centrifugal spiral spinneret and material fluid bath.
A kind of centrifugal spiral device for spinning the most according to claim 5, it is characterised in that described from
Heart spiral spinneret horizontal positioned, or place with the horizontal certain angle, the wherein span of angle theta
It is: 0 ° of ＜ θ≤90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620300718.7U CN205556862U (en) | 2016-04-12 | 2016-04-12 | Centrifugation spiral spinning equipment and centrifugation spiral spinning nozzle thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620300718.7U CN205556862U (en) | 2016-04-12 | 2016-04-12 | Centrifugation spiral spinning equipment and centrifugation spiral spinning nozzle thereof |
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| CN205556862U true CN205556862U (en) | 2016-09-07 |
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| CN201620300718.7U Expired - Fee Related CN205556862U (en) | 2016-04-12 | 2016-04-12 | Centrifugation spiral spinning equipment and centrifugation spiral spinning nozzle thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105648545A (en) * | 2016-04-12 | 2016-06-08 | 烟台森森环保科技有限公司 | Centrifugal spiral spinning device |
| CN106591967A (en) * | 2016-12-20 | 2017-04-26 | 广东开放大学（广东理工职业学院） | Electrostatic spinning device with cylindrical surface in form of helical array and electrostatic spinning method |
| CN110205687A (en) * | 2019-07-10 | 2019-09-06 | 广东工业大学 | A kind of combined sprinkler for centrifugal spinning |
| CN114703552A (en) * | 2022-05-06 | 2022-07-05 | 武汉纺织大学 | Boost opposite-extrusion type centrifugal spinning nozzle system |
-
2016
- 2016-04-12 CN CN201620300718.7U patent/CN205556862U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105648545A (en) * | 2016-04-12 | 2016-06-08 | 烟台森森环保科技有限公司 | Centrifugal spiral spinning device |
| CN106591967A (en) * | 2016-12-20 | 2017-04-26 | 广东开放大学（广东理工职业学院） | Electrostatic spinning device with cylindrical surface in form of helical array and electrostatic spinning method |
| CN110205687A (en) * | 2019-07-10 | 2019-09-06 | 广东工业大学 | A kind of combined sprinkler for centrifugal spinning |
| CN110205687B (en) * | 2019-07-10 | 2021-09-03 | 广东工业大学 | Combined nozzle for centrifugal spinning |
| CN114703552A (en) * | 2022-05-06 | 2022-07-05 | 武汉纺织大学 | Boost opposite-extrusion type centrifugal spinning nozzle system |
| CN114703552B (en) * | 2022-05-06 | 2023-07-21 | 武汉纺织大学 | Boosting opposite extrusion type centrifugal spinning nozzle system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20180412 |