CN201850337U - Electrostatic spinning multistrand spray nozzle - Google Patents
Electrostatic spinning multistrand spray nozzle Download PDFInfo
- Publication number
- CN201850337U CN201850337U CN2010206219170U CN201020621917U CN201850337U CN 201850337 U CN201850337 U CN 201850337U CN 2010206219170 U CN2010206219170 U CN 2010206219170U CN 201020621917 U CN201020621917 U CN 201020621917U CN 201850337 U CN201850337 U CN 201850337U
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- electrostatic spinning
- diversion
- conducting element
- shower nozzle
- conical surface
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Abstract
The utility model discloses an electrostatic spinning multistrand spray nozzle, which belongs to the field of electrostatic spinning. The electrostatic spinning multistrand spray nozzle comprises a laminating element, a diversion element and a heat control device, wherein the laminating element is in threaded connection with the diversion element, the heat control device is fixed on the outer surface of the laminating element, the fitting cylindrical surface of the diversion element is tightly close to the corresponding surface of the laminating element through tight fit, a plurality of diversion holes are uniformly distributed at the lower end of the diversion element in perpendicular to the cylindrical surface, a cushion groove is arranged at the outlet of the diversion hole, a plurality of diversion grooves are annularly distributed on the diversion conical surface at the lower end of the diversion hole, the diversion conical surface is parallel to the corresponding conical surface on the laminating element, and an inner hexagonal hole and a shallow concave surface are arranged at the lower end of the diversion element. The spray nozzle provided by the utility model is used for molting or solution electrospinning, and can realize uniform fabrication of multistrand yarns. The combination of a plurality of the structures can be introduced into a large-scale electrostatic spinning device. The electrostatic spinning multistrand spray nozzle greatly improves the production efficiency of electrostatic spinning, and has reduced processing cost.
Description
Technical field
The utility model relates to a kind of electrostatic spinning apparatus, belongs to the electrostatic spinning field.
Background technology
The electrostatic spinning process applies the high-voltage electrostatic field exactly between shower nozzle and receiving system, make polarized fluid overcome surface tension under the effect of electric field force, forms jet, obtains the process of superfine fibre on dash receiver.
Along with the intensification of nanometer technology, utilizing electrostatic spinning to prepare nanofiber becomes one of current research focus.At present can obtain the fiber that minimum diameter reaches tens nanometers.Therefore consider how to improve output, the electro spinning nano fiber Related product is put goods on the market becomes certainty.Yet existing technology all is in laboratory stage, and the spinning machine of volume production does not emerge as yet.Existing spinning equipment adopts single capillary mostly, mainly carries out stack capillaceous mostly and raises the efficiency, and some efficient spinning nozzles also occurred, but its processing pore has certain degree of difficulty, expensively is unfavorable for industrialization.
The utility model content
The utility model proposes a kind of electrostatic spinning multiply silk shower nozzle, can form multiply homogeneous injection stream by this shower nozzle, reducing under the prerequisite of difficulty of processing, utilize the water conservancy diversion gap of conducting element and fitting part to obtain the multiply injection stream, improved the efficient of electrostatic spinning greatly, the combination of its vertical and horizontal is suitable for the electrostatic spinning in enormous quantities of solution or melt.
The technical solution of the utility model is: a kind of electrostatic spinning multiply silk shower nozzle, mainly comprise fitting part, conducting element and heat controlling installation, outer binding face and interior conducting element are by being threaded, and locate by the face of cylinder, heat controlling installation is fixed on the fitting part outer surface, play effect for the whole control of shower nozzle temperature, the upper end of conducting element is under the threaded engagement effect and the fitting part top tight sealing, prevent leakage current, the cooperation cylinder of conducting element and the corresponding surface of fitting part are adjacent to by tight fit, prevent that fluid from refluxing, the lower end that cooperates cylinder is perpendicular to the even a plurality of tap holes that distribute of cylinder, realize to a certain degree circumferentially uniform of fluid, the buffering suface cone angle of conducting element is a bit larger tham the shunting conical surface, so that form a lozenges with fitting part, play the compression and the further uniform effect of convection cell, the uniform a plurality of splitter boxs of annular on the shunting conical surface, realize the multiply segmentation of fluid, parallel with the conical surface on the fitting part of shunting conical surface correspondence with it, one soket head cap screw hole is set in the conducting element lower end or install with convenient in a word hole, simultaneously in the lower surface shallow concave surface is set, electric charge gathered at the fluid place when purpose was spinning, optimized spinning effect.Concrete operation principle is introduced fluid for the fitting part fluid intake, then fluid enters the inner flow passage of conducting element, enter tap hole again, fluid is directed on the buffering suface that is surrounded on the conducting element waist, make its distribution more even, fluid is along the buffering suface wedge gap toward current downflow uniformly, the uniform a plurality of splitter boxs of annular are divided equally fluid flow on the water conservancy diversion conical surface of lower end, the final tiny liquid pearl that presents one group of annular spread in the lower surface, these liquid pearls will polarize and form taylor cone and then form injection stream under the electric field force effect, obtain superfine fibre, the fluid supply device keeps certain back pressure simultaneously, will create conditions for continuous spinning.
A kind of electrostatic spinning multiply of the utility model silk shower nozzle except buffering suface, circumferentially is provided with under the acting in conjunction of dashpot and buffering suface in the outlet of conducting element tap hole, can make fluid circumferentially more even.
A kind of electrostatic spinning multiply of the utility model silk shower nozzle, can add a spacer in the conducting element upper end to regulate the water conservancy diversion gap between the conducting element water conservancy diversion conical surface and the fitting part corresponding surface, make the fluid between each splitter box that the series connection effect be arranged, ganging up of pressure can make final per share flow consistent more, the water conservancy diversion gap is recommended as 0.1-0.3mm, excesssive gap easily causes the shunting failure, the guiding gutter degree of depth is preferably in 0.3-1mm, the too for a short time back pressure that causes of the degree of depth is excessive, the degree of depth too conference causes the fiber for preparing thick excessively, even can't electrospinning.
A kind of electrostatic spinning multiply of the utility model silk shower nozzle, conducting element also can be assembled on the whole plate in batches in it, can process the installation site of the identical fitting part internal structure of having of a plurality of horizontal and vertical combinations on the plate, accumulation by this integral way, can be connected reliably and bigger output, the inlet of fluid is connected with the higher level's runner with homogeneous flow on the integral slab.
A kind of electrostatic spinning multiply of the utility model silk shower nozzle, the cross section of guiding gutter can also can be squarely for circular arc, also can be triangular groove, and drainage trough has low frictional resistance by coating, can unimpeded drainage, no trapping phenomena.
The utility model is owing to changed traditional electrostatic spinning structure capillaceous, with electrostatic spinning by single wire vent mode, become the structure of many annular array, its connected mode is simple, and laminating type has reduced the difficulty of processing of pore, helping combination installs, be particularly suited for the electrospinning in enormous quantities of melt, improved the efficient of electrostatic spinning greatly, simultaneously, improved the version of spinning, for certain basis has been established in the industrialization of electrostatic spinning.
Description of drawings
Fig. 1 is the cross-sectional schematic of a kind of electrostatic spinning multiply of the utility model silk shower nozzle.
Fig. 2 is an elevational schematic view shown in Figure 1.
Fig. 3 is the cross-sectional schematic of a kind of novel electrostatic spinning of the utility model multiply silk shower nozzle conducting element.
Fig. 4 is the enlarged drawing of A shown in Figure 2 place structure.
Among the figure: the 1-fitting part; The 2-conducting element; The 3-heat controlling installation; The 4-spacer; The 1-1-fluid intake; 1-2-water conservancy diversion gap; The 1-3-spinning nozzle; The 2-1-upper end; The 2-2-screw thread; 2-3-cooperates cylinder; The 2-4-tap hole; The 2-5-buffering suface; The 2-6-water conservancy diversion conical surface; The 2-7-lower surface; The 2-8-concave surface; The 2-9-inner hexagonal hole; The 2-10-dashpot; The 2-11-inner flow passage; The 2-12-guiding gutter;
The specific embodiment
A kind of electrostatic spinning multiply of the utility model silk shower nozzle, schematic diagram shown in Fig. 1～4, mainly comprise fitting part 1, with its conducting element 2 that is connected by screw thread 2-2, and the heat controlling installation 3 of whole shower nozzle, wherein, the upper end 2-1 of interior conducting element 2 is under screw thread 2-2 connection effect and fitting part 1 corresponding surface top tight sealing, and the cooperation cylinder 2-3 of conducting element 2 and fitting part 1 corresponding surface prevent that by tight fit fluid from refluxing.During spinning, introduce fluid from fluid intake 1-1, then fluid enters the inner flow passage 2-11 of conducting element 2, enter a plurality of tap hole 2-4 again, fluid is directed on the dashpot 2-10 that is surrounded on the conducting element waist, make its distribution more even, homogeneous (uniform) fluid is gone up the uniform a plurality of splitter box 2-12 of annular along buffering suface 2-5 wedge gap toward current downflow up to water conservancy diversion conical surface 2-6, fluid flow is divided equally, the final tiny liquid pearl that presents one group of annular spread at the spinning nozzle 1-3 place of lower surface 2-7, be provided with shallow concave surface 2-8 and easy-to-dismount inner hexagonal hole 2-9 at conducting element 2 lower surface 2-7, under the electric field force effect, electric charge is assembled at spinning nozzle 1-3 place and the polarization fluid, form taylor cone and then form injection stream, obtain superfine fibre, the fluid supply device keeps certain back pressure simultaneously, will create conditions for continuous spinning.
An embodiment as shown in Figure 1, on conducting element 2 upper end 2-1, add thickness and be the spacer 4 adjusting water conservancy diversion gap 1-2 of 0.5mm, four tap hole 2-4 are set, its diameter is 2mm, dashpot 2-10 diameter is 2mm, and it is 83 ° buffering suface 2-5 that dashpot 2-10 lower end is provided with cone angle, and water conservancy diversion conical surface 2-6 angle is 60 °, evenly milling out the degree of depth on the water conservancy diversion conical surface 2-6 is 40 splitter box 2-12 of 0.4mm, the dark 1mm of concave surface 2-8 on the conducting element 2 lower surface 2-7.This multiply silk shower nozzle is installed on higher level's melt feed device, use the PP6310 pellet, the melt electrostatic spinning device melt feed partly is set at 200 ℃, shower nozzle heat controlling installation 3 temperature rise to 240 ℃, and the distance of adjusting shower nozzle and receiving system is 15cm, by the time pressue device makes when spinneret orifice 1-3 has drop to occur, add the 50KV cathode voltage, nozzle end ground connection, 40 bursts of injection streams evenly spray along spinneret orifice 1-3 vertical direction, the about 37g/h of spinning efficiency.
Claims (7)
1. electrostatic spinning multiply silk shower nozzle, it is characterized in that: mainly comprise fitting part, conducting element and temperature regulating device, binding face and conducting element are by being threaded, and by cooperating the cylinder location, heat controlling installation is fixed on the fitting part outer surface, the upper end of conducting element is under the threaded engagement effect and the fitting part top tight sealing, the cooperation cylinder of conducting element and the corresponding surface of fitting part are adjacent to by tight fit, the lower end is perpendicular to the even a plurality of tap holes that distribute of cylinder, the buffering suface cone angle of conducting element is greater than the shunting conical surface, the uniform a plurality of splitter boxs of annular on the shunting conical surface, the shunting conical surface is parallel with the corresponding conical surface on the fitting part.
2. a kind of electrostatic spinning multiply silk shower nozzle according to claim 1 is characterized in that: the tap hole outlet is provided with a dashpot.
3. a kind of electrostatic spinning multiply silk shower nozzle according to claim 1, it is characterized in that: can add spacer on conducting element, the water conservancy diversion gap is 0.1-0.3mm.
4. a kind of electrostatic spinning multiply silk shower nozzle according to claim 1, it is characterized in that: the guiding gutter degree of depth is 0.3-1mm.
5. a kind of electrostatic spinning multiply silk shower nozzle according to claim 1, it is characterized in that: the conducting element lower end is provided with an inner hexagonal hole or a word hole.
6. a kind of electrostatic spinning multiply silk shower nozzle according to claim 1, it is characterized in that: the conducting element lower end is provided with shallow concave surface.
7. a kind of electrostatic spinning multiply silk shower nozzle according to claim 1, it is characterized in that: the cross section of guiding gutter is arc-shaped groove, square trench or triangular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206219170U CN201850337U (en) | 2010-11-22 | 2010-11-22 | Electrostatic spinning multistrand spray nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206219170U CN201850337U (en) | 2010-11-22 | 2010-11-22 | Electrostatic spinning multistrand spray nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201850337U true CN201850337U (en) | 2011-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206219170U Expired - Fee Related CN201850337U (en) | 2010-11-22 | 2010-11-22 | Electrostatic spinning multistrand spray nozzle |
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| Country | Link |
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| CN (1) | CN201850337U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985778A (en) * | 2010-11-22 | 2011-03-16 | 北京化工大学 | Electrostatic spinning multi-strand wire spray head |
| CN102953129A (en) * | 2012-11-27 | 2013-03-06 | 北京化工大学 | Linear type efficient electrostatic spinning spray nozzle |
| CN103215663A (en) * | 2013-04-25 | 2013-07-24 | 北京化工大学 | Novel electrostatic spinning umbrella-shaped nozzle |
| CN103574276A (en) * | 2013-12-06 | 2014-02-12 | 常熟市迅达粉末冶金有限公司 | Concave accessory |
| CN104088024A (en) * | 2014-07-10 | 2014-10-08 | 北京化工大学 | Novel centrifugal melt electrostatic spinning device |
| CN107201559A (en) * | 2017-07-17 | 2017-09-26 | 吉林农业大学 | A kind of pearl head nozzle electrospinning device |
-
2010
- 2010-11-22 CN CN2010206219170U patent/CN201850337U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985778A (en) * | 2010-11-22 | 2011-03-16 | 北京化工大学 | Electrostatic spinning multi-strand wire spray head |
| CN101985778B (en) * | 2010-11-22 | 2012-10-17 | 北京化工大学 | Electrostatic spinning multi-strand wire spray head |
| CN102953129A (en) * | 2012-11-27 | 2013-03-06 | 北京化工大学 | Linear type efficient electrostatic spinning spray nozzle |
| CN103215663A (en) * | 2013-04-25 | 2013-07-24 | 北京化工大学 | Novel electrostatic spinning umbrella-shaped nozzle |
| CN103574276A (en) * | 2013-12-06 | 2014-02-12 | 常熟市迅达粉末冶金有限公司 | Concave accessory |
| CN104088024A (en) * | 2014-07-10 | 2014-10-08 | 北京化工大学 | Novel centrifugal melt electrostatic spinning device |
| CN104088024B (en) * | 2014-07-10 | 2017-02-01 | 北京化工大学 | Centrifugal melt electrostatic spinning device |
| CN107201559A (en) * | 2017-07-17 | 2017-09-26 | 吉林农业大学 | A kind of pearl head nozzle electrospinning device |
| CN107201559B (en) * | 2017-07-17 | 2023-04-25 | 吉林农业大学 | Bead head spray head electrostatic spinning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110601 Termination date: 20111122 |