CN104790048B - Needleless hair style electrostatic spinning apparatus - Google Patents
Needleless hair style electrostatic spinning apparatus Download PDFInfo
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- CN104790048B CN104790048B CN201410022675.6A CN201410022675A CN104790048B CN 104790048 B CN104790048 B CN 104790048B CN 201410022675 A CN201410022675 A CN 201410022675A CN 104790048 B CN104790048 B CN 104790048B
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- spinning head
- slit
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- intermediate plate
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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
- D01D13/00—Complete machines for producing artificial threads
-
- 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
- D01D5/0015—Electro-spinning characterised by the initial state of the material
- D01D5/003—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion
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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
-
- 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
Abstract
A kind of needleless hair style electrostatic spinning apparatus, is made up of spinning head, reception electrode, high voltage power supply, the NaOH solution tank NaOH of storage polymer solution, waste liquid tank, base material and reel system thereof etc.；Or by spinning head, receive electrode, high voltage power supply, the fluid reservoir of storage polymer melt, waste liquid tank, base material and reel system thereof, and the composition such as heater and electric heating control device thereof.Its spinning head uses slit-type spinning head；Fitted tightly by left and right half spinning head and be integrally formed by thread connector fastening；Or it is made up of with the current-sharing grid screen intermediate plate being clipped in therebetween left and right two panels spinning head component.Use slit-type spinning head, it is simple to dismount and clean, can continuously and efficiently produce nanofiber, be greatly improved spinning efficiency；Can be not only used for the electrostatic spinning of polymer solution it can also be used to the electrostatic spinning of polymer melt.
Description
Technical field
The present invention relates to high-voltage electrostatic spinning field, a kind of needleless producing nanofiber for continuous high-efficient
Formula electrostatic spinning apparatus.
Background technology
At present, electrostatic spinning technique is the mainstream technology preparing nanofiber.As far back as Anton Fomhals in 1934 just
Disclose the electrospinning device of single needle in the patent.But this single needle device for spinning is extremely inefficient, and preparation is received
The production capacity of rice fiber only has 0.001 ~ 0.01g/h.In order to improve spinning efficiency, succession develops spininess hair style electrostatic spinning dress
Put, as patent 200910031948.2,200610157106.8, disclosed in WO2005073441A1, it is common that by tens of even
Hundreds of single needle combination are to carrying out electrostatic spinning together.The spinning efficiency of Multi needle electrostatic spinning apparatus can bring up to
0.1~1.0g/h.But owing to syringe needle easily blocks, clean and maintenance work is the most loaded down with trivial details, so solving industry the most well
Change problem.In recent years, in succession it has been proposed that needleless electrostatic spinning technique, metal roller, metal ball, rosette, spiral shell were used
The isostructural spinning head of spin line circle, in order to as generating taylor cone and causing the spinning appts of electrostatic spinning process.Especially with victory
Gram " nanometer Aranea " WO2012/139533 A1 technology convenient and efficient the most that ELMARCO company develops.It uses fixing
Wire-form electrode as spinning appts, wire-form electrode passes through its machine through the aperture on liquid coating device, liquid coating device
Tool structure realizes moving back and forth, and polymer solution smears to the polymer on wire-form electrode, on wire-form electrode
Solution forms the taylor cone being freely distributed under the effect of electrostatic field and spray webbing phenomenon occurs.Its spinning width, up to 1.5 meters, is spun
Silk efficiency can reach 1 ~ 5g/min.But, due to its device structure reason, polymer solution can only be carried out electrostatic spinning.Its
The polymer solution mass concentration used is usually 10 ~ 20%wt, has the volatilization of substantial amounts of solvent, shape during electrostatic spinning
Become substantial amounts of to human body and the organic exhaust gas of bad environmental.
Summary of the invention
In order to overcome prior art needle-based electrostatic spinning apparatus syringe needle easily to block, clean the deficiency of difficulty, and metal
Wire-type of electrode spinning appts can not carry out the deficiency of electrostatic spinning to polymer solution, and the present invention provides a kind of needleless hair style electrostatic
Device for spinning, it not only convenient disassembly, be easy to clean, overcome needle-based spinneret easily to block, clean difficulty shortcoming, Er Qieke
To realize the electrostatic spinning for polymer melt, overcome wire-form electrode polymer solution can only be carried out Static Spinning
Silk, spinning process have the deficiency of the organic exhaust gas of a large amount of solvent volatilization harmful pollution environment of formation.
The present invention solves that above-mentioned technical problem be the technical scheme is that
The first scheme of needleless hair style electrostatic spinning apparatus, be by spinning head, receive electrode, high voltage power supply, for storing up
Deposit the compositions such as the NaOH solution tank NaOH of polymer solution, waste liquid tank, base material and reel system thereof.
A. spinning head, be positioned at and receive electrode positive and negative by high tension cable and high voltage power supply respectively directly over spinning head
Pole connects.
B. for storing the NaOH solution tank NaOH of polymer solution by solution feed pump, feed flow check valve, liquid feeding pipeline with spinning head even
Connect, constitute feed flow loop.
C. it is positioned at bottom spinning head, collects the waste liquid tank overflowing polymer solution, by waste drains pump, waste liquid check valve, give up
Liquid pipeline is connected with waste liquid tank, constitutes devil liquor recovery loop.
D. base material is by the reel system being made up of let off roll, wind-up roll, guide roller, horizontal through spinning head and reception
Between electrode, and continuously-running.
Its spinning head uses slit-type spinning head；Fitted tightly by left half spinning head, right half spinning head, and passed through spiral shell
The fastening of stricture of vagina connector is integrally formed.Left and right two half spinning heads are top in by the intilted acute taper in outside and flush
Metal plate-like component, the two docking after slit-type spinning head top constitute slotted opening, constitute narrow below slotted opening
Cavity within seam type spinning head；Cavity includes the slit on top, the flow channel for liquids at middle part and current-sharing grid thereof, the liquid storage of bottom
Chamber；Inlet opening UNICOM bottom liquid storage cylinder and slit-type spinning head.
Or, slit-type spinning head is by left and right two panels spinning head component, and is clipped between left and right two panels spinning head component
Screen intermediate plate fit tightly, and by thread connector fastening be integrally formed.The grizzly bar of current-sharing grid is had on screen intermediate plate.Left,
Right two panels spinning head component and screen intermediate plate three constitute the cavity within slit-type spinning head.By left and right two panels spinning head structure
Part docking constitutes the slotted opening on spinning head top, or by left and right two panels spinning head component and the screen common structure of intermediate plate three
Become this slotted opening.
The another kind of scheme of needleless hair style electrostatic spinning apparatus, be by spinning head, receive electrode, high voltage power supply, for storing up
Deposit the fluid reservoir of polymer melt, waste liquid tank, base material and reel system thereof, and heater and electric heating control device thereof
Deng composition.
A. spinning head is connected with the earth by earth lead；Spinning head, it is positioned at the reception electrode directly over spinning head and leads to respectively
Cross high tension cable to be connected with the positive and negative electrode of high voltage power supply.
B. for storing the fluid reservoir of polymer melt, its top is connected with compressed air source by compressed air piping
Connect；Outlet bottom fluid reservoir is connected with spinning head by liquid feeding pipeline, constitutes the feed flow loop of polymer melt.
C. fluid reservoir is configured with fluid reservoir heater；Feed pipe is configured with feed pipe heater.
D. it is positioned at bottom spinning head, for collecting the waste liquid tank of the polymer melt of spilling, and passes through between fluid reservoir
Waste drains pump, devil liquor recovery pipe are connected, and constitute devil liquor recovery loop.
E. spinning head and waste liquid tank are configured with spinning head and waste liquid tank heater, and this heater and sewer pipe add hot charging
Put, fluid reservoir heater, feed pipe heater, be jointly connected with electric heating control device, constitute heating system.
F. base material is by the reel system being made up of let off roll, wind-up roll, guide roller, horizontal through spinning head and reception
Between electrode, and continuously-running.
Its spinning head is to use slit-type spinning head equally；The composition of slit-type spinning head and " needleless hair style electrostatic spinning
The first scheme of device " identical, be not repeated at this.
The invention has the beneficial effects as follows:
1., for single needle or spininess hair style electrostatic spinning apparatus, slit-type spinning head spinning is readily accessible, clear
Wash convenience, spinning efficiency height, simple in construction.And the problem avoiding interfering between each syringe needle of Multi needle system, is greatly improved
Spinning efficiency.
2., for wire-form electrode electrostatic spinning apparatus, slit-type spinning head is possible not only to polymer solution
Carry out electrostatic spinning, and the molten mass to polymer can be realized and carry out electrostatic spinning.And so that whole electrostatic spinning mistake
Journey can realize continuous continual operation.Overcome wire-form electrode and polymer solution can only be carried out electrostatic spinning, with
And the deficiency that polymer solution electrostatic spinning exists: spinning process has a large amount of solvent to volatilize, and forms a large amount of harmful pollution
The organic exhaust gas of environment.
Accompanying drawing explanation
Fig. 1: the present invention is for the composition schematic diagram of the electrostatic spinning apparatus of polymer solution.
Fig. 2: the present invention is for the composition schematic diagram of the electrostatic spinning apparatus of polymer melt.
Fig. 3,4: the shaft side figure of a kind of structural representation of slit-type spinning head, axle survey explosive view.
Fig. 5～7: the master of a kind of structural representation of slit-type spinning head depending on, overlook, side view.
The A-A sectional view of Fig. 8～10: Fig. 5, view is put in the K office of Fig. 6, view is put in the L office of Figure 13.
The B-B sectional view of Figure 11～13: Fig. 7, the C-C sectional view of Fig. 8, the D direction view of Fig. 5.
The axle of Figure 14～16: slit-type spinning head another kind structural representation surveys explosive view and master, side view.
Figure 17～19: the E-E sectional view of slit-type spinning head another kind structural representation Figure 15, the F-F sectional view of Figure 16,
The G-G sectional view of Figure 17.
The schematic diagram blast 3D view of Figure 20: slit-type the third structure of spinning head.
Figure 21,22: the master of slit-type the third structural representation of spinning head regards, side view.
Figure 23～25: the H-H sectional view of slit-type spinning head the third structural representation Figure 21, the I-I sectional view of Figure 22,
The J-J sectional view of Figure 23.
Figure 26: the structural representation of the screen intermediate plate of slit-type the third structure of spinning head.
Figure 27,28: the structural representation of the 4th kind of structure left and right two panels spinning head component of slit-type spinning head.
The structural representation of the embedded screen intermediate plate of the 4th kind of structure of Figure 29: slit-type spinning head.
The structural representation axle of Figure 30: heat preserving type spinning head and waste liquid tank heater surveys explosive view.
In figure: 1-slit-type spinning head or be called for short spinning head, 2-and receive electrode, 3-high voltage power supply GYDY, 4-NaOH solution tank NaOH, 5-
Waste liquid tank, 6-waste liquid tank, 7-base material, 8-manifold, 9-fluid reservoir, 11-high-voltage power cathode, 21-negative pole high tension cable, 41-
Solution feed pump GYB, pneumatic diaphragm pump, 42-feed flow check valve, 43-liquid feeding pipeline, 51-waste drains pump FYB, pneumatic diaphragm pump, 52-are useless
Liquid check valve, 53-waste-solution line, 71 let off roll, 72-wind-up roll, 73-guide roller, 90-electric heating control device JRKZ, 91-storage
Outlet, 94-feed pipe, 95-feed pipe heater, 96-spinning head under liquid storage tank heating device, 92-compressed air piping, 93-
And waste liquid tank heat insulation and heating equipment, 97-waste liquid reclaiming pump FYB ', 98-sewer pipe heater, 99-sewer pipe, 101-one side lead
Streaming left half spinning head, 102-one side flow-guiding type right half spinning head, 103-bolt, 104-flow channel for liquids, 105-current-sharing grid,
106-liquid storage cylinder, 107-slit, 108-slotted opening, 109-location hole, 110-screw, 111-inlet opening, 120-earth lead,
121-the earth, 201-double baffle type left half spinning head, 202-double baffle type right half spinning head, 301-screen clip type
Left spinning head component, right spinning head component of 302-screen clip type, 303-screen intermediate plate, 304-grizzly bar, 305-are embedded
In left spinning head component, 306-locating dowel, the embedded right spinning head component of 307-, 308-embedded screen intermediate plate, 309-
Embedded screen intermediate plate location hole, 601-erecting bed, 602-left side wall, 603-right side wall, 604-end cap, 605-metal rack,
Bottom 606-platform, 607-perforate, 608-waste liquid tank, 609-outage, 610-circular hole, 611-heating rod.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Embodiment 1:
Figure 1 illustrates the structure that the present invention is directed to the needleless hair style electrostatic spinning apparatus that polymer solution carries out electrostatic spinning
Become.It by slit-type spinning head 1, receive electrode 2, high voltage power supply GYDY (3), for storing the NaOH solution tank NaOH 4 of polymer solution, useless
Liquid bath 6, base material 7 and reel system thereof etc. form.
1. slit-type spinning head 1 is connected with the positive pole of high voltage power supply 3 by positive extra high voltage cable 11；Carried by high voltage power supply 3
For positive polarity high pressure.
It is positioned at the electrode 2 that receives directly over spinning head to be connected with the negative pole of high voltage power supply 3 by negative pole high tension cable 21；By
High voltage power supply 3 provides negative polarity high pressure.
2. for being stored in NaOH solution tank NaOH 4 of polymer solution of electrostatic spinning.NaOH solution tank NaOH 4 by solution feed pump GYB (41),
Feed flow check valve 42, liquid feeding pipeline 43 are connected with slit-type spinning head 1, collectively form feed flow loop.Solution feed pump 41 uses pneumatic
Membrane pump；Liquid feeding pipeline 43 uses polyfluortetraethylene pipe.
3., during electrostatic spinning, in slit-type spinning head 1, the polymer solution of spilling is without using up completely, meeting
Enter and be installed on the waste liquid tank 6 bottom spinning head 1.
Collect and overflow and the waste liquid tank 6 of unexhausted polymer solution, by waste drains pump FYB (51), waste liquid check valve 52
It is connected with waste liquid tank 5 with waste-solution line 53, collectively forms devil liquor recovery loop.Waste drains pump 51 uses pneumatic diaphragm pump；Sewer pipe
Road 53 uses polyfluortetraethylene pipe.
4. base material 7 is by the reel system being made up of let off roll 71, guide roller 73, wind-up roll 72, horizontal through spinning head 1
And receiving between electrode 2, and continuously-running.
Operation principle:
1., during high voltage power supply GYDY (3) work, slit-type spinning head 1 as anelectrode, receives electrode 2 as negative electrode,
High-voltage electrostatic field E from bottom to top can be formed between positive and negative electrode.
2. polymer solution is sent to spinning head 1 by feed flow loop, and can be at the slotted opening of spinning head top
108 overflow.Now setting up high-voltage electrostatic field E in manifold 8, polymer solution can be under the effect of electric field force, at spray webbing
The numerous taylor cone of intensive and uniform arrangement is formed at the slotted opening 108 of 1.
3. will overcome capillary work when the electric field intensity of high-voltage electrostatic field E more than a threshold value, polymer solution
With, spray on the top of taylor cone, and form countless tiny jet.
4. the jet of polymer solution sprays in high-voltage electrostatic field from bottom to top, be attended by this course stretching,
Whip is dynamic and splitting phenomena occurs, and along with the solvent composition in polymer solution jet gradually volatilizees, ultimately forms submicron very
Fiber to nano-scale.
5. the nanofiber ultimately formed can be deposited near receiving on electrode 2 base material 7 that is disposed below.Base material 7
Wound on wind-up roll 72 by reel system, and run continuously.
The structure of slit-type spinning head:
1. the slit-type spinning head that one side flow-guiding type is left-right asymmetry:
A kind of structure of slit-type spinning head shown in Fig. 3～13, i.e. one side flow-guiding type left-right asymmetry slit-type spray
The structure of silk head.This slit-type spinning head is by the left-right asymmetry left half spinning head 101 of one side flow-guiding type, right half spinning head
102 fit tightly, and are integrally formed by the fastening of thread connector i.e. bolt 103.Left and right two half spinning heads 101,102 are
Top is in by the intilted acute taper in outside and the metal plate-like component that flushes, at slit-type spinning head 1 after the two docking
Top constitutes slotted opening 108, cavity within composition spinning head below slotted opening 108.Cavity includes the narrow of top
Seam 107, the flow channel for liquids 104 at middle part and interval the current-sharing grid 105 of flow channel for liquids 104, the liquid storage cylinder 106 of bottom.Liquid storage cylinder
106 with spinning head 1 bottom inlet opening 111 UNICOM.
Left and right two half spinning heads 101,102 are left and right dissymmetrical structure.A wherein half spinning head, i.e. left half
Several the most alternate uniform grizzly bars and several longitudinal fluting is had on the composition surface of spinning head 101；Another part half spinning head,
The i.e. composition surface of right half spinning head 102 is plane.After left and right two half spinning head 101,102 docking, left half spinning head
The end face of 101 current-sharing grid grizzly bars constitutes current-sharing grid 105 with the plane engaging surface closed butt joint of another half spinning head 102, and indulges
Flow channel for liquids 104 is constituted to groove.There is flow channel for liquids 104 because two half spinning heads only have on left half spinning head 101, therefore claim single
Face flow-guiding type spinning head.
Fig. 6,9 structures illustrating this slit-type spinning head top slotted opening 108.The slotted opening of slit-type spinning head
108 and the width of cavity top slit 107 between 0.05 ~ 2mm；Length L of spinning head is 200mm ~ 2000mm.Cavity top
Being slit 107, the width of slit 107 is identical with the width of slotted opening 108.
Fig. 4,11 structures illustrating current-sharing grid 105.Current-sharing grid grizzly bar is that several the most alternate are distributed on flow channel for liquids 104
Boss.The grizzly bar of current-sharing grid is water-drop-shaped along the section configuration that electrostatic spinning liquid flows to, and its shape can also is that Semen Benincasae shape, length
The shapes such as triangle, the elongated rectangular shape on band pinnacle and prismatic；Except there being pinnacle, other has property at parts of edges and corners circular arc to be had mistake
Cross.When liquid flows to slotted opening 108 from liquid storage cylinder 106, current-sharing grid 105 play and make the equally distributed effect of fluid.All
The quantity of stream grid 105 increases along with the increase of spinning head length, can be tens of the most hundreds of.
Flow channel for liquids 104 bottom is liquid storage cylinder 106, can be processed into square, semicircle, arc or trapezoidal etc. groove.Liquid storage
The width in chamber 106 is the decades of times of slit width, in 5mm ~ 20mm scope.Liquid storage cylinder 106 bottom has circular inlet opening 111.
Figure 10,13 positions illustrating this slit-type spinning head bottom liquid inlet hole 111.The inlet opening 111 of this example is positioned at left half
The bottom of sheet spinning head 101.Inlet opening 111 may be located at the bottom of any one piece in spinning head 1 two panels, or bottom two panels
One symmetrical semi-circular hole of each processing, is spliced into a circular hole.Inlet opening 111 is connected, when spinning is former with outside feed flow loop
Liquid, after inlet opening 111 enters spinning head 1, first can be full of liquid storage cylinder 106, in order to ensure to enter the spinning of flow channel for liquids 104
Stock solution pressure is uniform.The number of inlet opening 111 according to the length of spinning head 1 can be two or several.Remaining has: hole, location
109: impermeable circular hole, fixing spinning head 1 is installed and uses；Screw 110: install bolt 103 and use.
The metallic plate that two pieces of upper ends of left and right two half spinning heads are sharp-pointed, can use rustless steel, alloy type or process
The cast iron manufacture that surface processes.Processing can be with casting, it is also possible to be by the processes such as milling, laser engraving.
2. double baffle type symmetrical slit-type spinning head:
The another kind of structure of slit-type spinning head shown in Figure 14～19, i.e. double baffle type symmetrical slit-type spray
The structure of silk head.It is fitted tightly by the left and right two half spinning heads 201,202 that double baffle type is symmetrical, and passes through
Bolt 103 fastening is integrally formed.
On the composition surface of left and right two half spinning heads 201,202, there are symmetrical several the most alternate all respectively
The grizzly bar of the current-sharing grid of cloth, is longitudinal fluting between grizzly bar；After left and right two half spinning head 201,202 docking, the grid of current-sharing grid
Bar end face is butted into current-sharing grid 105, and longitudinal fluting constitutes flow channel for liquids 104.Flow channel for liquids 104 is all had on two half spinning heads,
Therefore claim double baffle type spinning head.
Left and right two half spinning heads 201,202, with symmetrical structure, are constituted on slit-type spinning head top after docking
Slotted opening 108, cavity within composition spinning head below slotted opening 108.
The liquid storage cylinder 106 of left and right two half spinning heads 201,202, is respectively processed into one and half in two half spinning head bottoms
Columned groove, is spliced into a columned groove.
The inlet opening 111 of left and right two half spinning heads 201,202, two symmetries of each processing bottom two half spinning heads
Semi-circular hole, be spliced into two circular holes.
Remaining slit-type spinning head left-right asymmetry with one side flow-guiding type is identical.
3. screen clip type slit-type spinning head:
The third structure of slit-type spinning head shown in Figure 20～26---screen clip type slit-type spinning head
Structure.It is by symmetrical left and right two panels spinning head component 301,302, be clipped in left and right two panels spinning head component 301,
Screen intermediate plate 303 between 302 fits tightly, and is integrally formed by bolt 103 fastening.Left and right two panels spinning head component 301,
302 collectively form the slotted opening 108 on slit-type spinning head top and internal cavity with screen intermediate plate 303 three；Cavity bag
Include the slit 107 on top, the flow channel for liquids 104 at middle part and current-sharing grid 105 thereof, the liquid storage cylinder 106 of bottom.
Screen intermediate plate 303 is processed several the most alternate uniform grizzly bars 304 grizzly bar as current-sharing grid.Grizzly bar
Between 304, the bottom at interval is linked up with liquid storage cylinder.The fixing hole of bolt 103 is had on the periphery of screen intermediate plate 303 two ends and bottom.
The thickness of screen intermediate plate 303 determines the width of slotted opening 108 and slit, and this width is between 0.05 ~ 2mm.
Left and right two panels spinning head component 301,302 is with the symmetrical structure of screen intermediate plate 303.Left and right two panels spinning head
The bottom of component is respectively arranged with the semi-circular hole of a pair one-tenth symmetrical approximation, is spliced into a circular hole with screen intermediate plate 303, i.e. enters
Fluid apertures.Equally, the liquid storage cylinder of left and right two panels spinning head component is the half-terete groove of approximation, is spliced into screen intermediate plate 303
One cylindrical recess.The bottom interval of the grizzly bar 304 of liquid storage cylinder and screen intermediate plate is linked up, to connect flow channel for liquids.
Double dot dash line in Figure 26 is the position of liquid storage cylinder.Remaining is identical with above two slit-type spinning head.
The most embedded screen clip type slit-type spinning head:
The 4th kind of structure of slit-type spinning head shown in Figure 27～29---it is called for short embedded slit-type spinning head
Structure.It is by symmetrical embedded left and right two panels spinning head component 305,307, and is clipped in embedded left and right two panels spray webbing
Embedded screen intermediate plate 308 between head component 305,307 fits tightly, and is integrally formed by bolt 103 fastening.
Embedded left spinning head component 305 and right spinning head component 307 are bilateral symmetry；The top pair of the two
Connect the slotted opening 108 constituting slit-type spinning head 1.Have on the composition surface of embedded left and right two panels spinning head component 305,307
Groove, is embedded in embedded screen intermediate plate 308 in groove.Embedded left and right two panels spinning head component 305,307 and embedded screen intermediate plate
308 threes constitute the cavity within slit-type spinning head.
Figure 27, double dot dash line in 28 be embedded screen intermediate plate 308 embedded left and right two panels spinning head component 305,
Riding position on 307 i.e. groove location.Locating dowel 306 is had on left spinning head component 305.
Embedded screen intermediate plate 308 is machined with several the most alternate uniform grizzly bars 304, as the grid of current-sharing grid
Bar.Embedded screen intermediate plate 308 is flush-mounted in the groove of left and right two panels spinning head component 305,307, grizzly bar 304 and left and right two panels
The bottom surface of spinning head component 305,307 groove constitutes current-sharing grid, and spray webbing is not exposed in two ends and the bottom of embedded screen intermediate plate 308
Head.
The bottom of grizzly bar 304 is connected by the base of embedded screen intermediate plate 308.At the bottom of the screen intermediate plate of embedded screen intermediate plate 308
While be on the position of liquid storage cylinder 106, screen intermediate plate base is made not hinder the circulation of spinning liquid.
Hole 309, location is had on embedded screen intermediate plate 308, relative with the locating dowel 306 on left half spinning head component 305
Should.The two positions for screen intermediate plate 308.
The thickness of embedded screen intermediate plate 308 is slightly larger than slotted opening and the width of cavity slit, and this width is at 0.05 ~ 2mm
Between.The spacing at liquid storage cylinder 106 position is significantly larger than the thickness of embedded screen intermediate plate 308.
Embodiment 2:
Figure 2 illustrates the composition of the needleless hair style electrostatic spinning apparatus carrying out electrostatic spinning for polymer melt.
It is by slit-type spinning head 1, reception electrode 2, high voltage power supply GYDY (3), the storage fluid reservoir 9 of polymer melt, waste liquid tank
6, base material 7 and reel system thereof, and the composition such as heater and electric heating control device JRKZ (90) thereof.
1. slit-type spinning head 1 is connected with the earth 121 by earth lead 120.Receive electrode 2 by negative pole high tension cable 21
It is connected to high voltage power supply GYDY (3), high voltage power supply 3 provides negative polarity high pressure.
2. the polymer melt for electrostatic spinning is stored in fluid reservoir 9.Compressed air hose is passed through at fluid reservoir 9 top
Road 92, is connected with compressed air source；Outlet 93 bottom fluid reservoir 9, is connected with spinning head by liquid feeding pipeline 94, constitutes poly-
The feed flow loop of polymer melt body.Compressed air enters fluid reservoir 9 with the pressure set, and by the polymer in fluid reservoir 9
Molten mass extrudes by being positioned at the outlet 93 bottom fluid reservoir 9, and sends into slit-type spinning head 1 by liquid feeding pipeline 94；Slit
Type spinning head 1 is connected with the earth 121 by earth lead 120.
Fluid reservoir 9 is equipped with independent heater 91, and to ensure that polymer melt will not solidify, fluid reservoir is by connecing
Ground wire 120 is connected with the earth 121.Liquid feeding pipeline 94 uses metal tube；Liquid feeding pipeline is configured with single feed pipe heater 95,
To ensure that polymer melt will not solidify during conveying.
3., during electrostatic spinning, in slit-type spinning head 1, the polymer melt of spilling is without using up completely,
The waste liquid tank 6 being installed on bottom spinning head 1 can be entered.Slit-type spinning head 1 and be positioned at the waste liquid tank 6 bottom it and be used in conjunction with one
Set heater 96, to ensure that polymer melt will not solidify during spinning head 1 and waste collection, spinning head 1
It is connected with the earth 121 by earth lead 120 with waste liquid tank 6.
Waste liquid tank 6 is connected with fluid reservoir 9, is made up of the devil liquor recovery connecting them waste drains pump FYB ' (97), sewer pipe 99
Loop.The metal tube 94 in devil liquor recovery loop is each equipped with single heater 98, to ensure that polymer melt is reclaiming
Enter during fluid reservoir 9 and will not solidify, waste drains pump 97 in devil liquor recovery pipeline and metal tube 94 by earth lead 120 with
Greatly 121 are connected.Waste drains pump 97 generally uses gear pump；Sewer pipe 99 uses metal tube.
4. slit-type spinning head 1 and waste liquid tank 6 are furnished with heat preserving type spinning head and waste liquid tank heater 96.This heater
With sewer pipe heater 95, fluid reservoir heater 91, feed pipe heater 95, common and electric heating control device 90 connects
Connect, electric heating control device 90 control, constitute heating system.
5. base material 7 is by the reel system being made up of let off roll 71, guide roller 73, wind-up roll 72, horizontal through spinning head 1
And receive between electrode 2, and run continuously.
Polymer melt is carried out to the slit-type spinning head of electrostatic spinning, is that it is combined with waste liquid tank,
And configuration has heating and tool heat-insulation and heat-preservation, the heat insulation and heating equipment of insulation function, i.e. constitute heat preserving type spinning head and waste liquid
Tank heater 96.
Figure 30 illustrates the structure of heat preserving type spinning head and waste liquid tank heater 96.
Heat preserving type spinning head and waste liquid tank heater 96 are by lagging casing, metal rack 605, platform 606, slit-type spray
Silk 1, heating rod 611, waste liquid tank 608 etc. are constituted.Lagging casing is by 602,603 and end cap 604 3 of left and right two pieces sidewall
Part is constituted.Above-mentioned three parts of lagging casing by the metal rack 605 of bottom around fixing.Have in lagging casing on it and lay
The platform 606 of slit-type spinning head；The hole 607 disposing feed tube is arranged at platform 606 bottom, and platform both sides have for collecting spinning head
The waste liquid tank 608 of the waste liquid that middle overflow goes out.Bottom waste liquid tank, 608 have outage 609, outage 609 and outside weep circuit
It is connected；There are left and right two rows, 6～8 circular holes 610 on the end cap 604 of lagging casing, are inserted with in circular hole and use to spinning head 1 heating
Heating rod 611.Lagging casing is poured into a mould by lightweight refracrory.Lightweight refracrory, such as: silicate, aluminate, diatom, swollen
Swollen perlites etc. all can use.
Operation principle: substantially the same manner as Example 1.Difference is:
1. fluid reservoir 9 is that storage polymer melt, fluid reservoir 9 and feed pipe need to be with addition of thermal, and feed pipe uses
Metal tube.
2. spinning head, waste liquid tank, sewer pipe are required to configure heater, use metal tube to make sewer pipe, and with heating
Control device and constitute heating system.Polymer melt for electrostatic spinning heats, is incubated.
3. liquid-supplying system is different: compressed air enters fluid reservoir 9 upper end with the pressure set, by gathering in fluid reservoir 9
Polymer melt body extrudes by being positioned at the outlet 93 bottom fluid reservoir 9, and sends into slit-type spinning head 1 by metal tube 94, narrow
Seam type spinning head 1 is connected with the earth 121 by earth lead 120.
The spinning head of the electrostatic spinning apparatus of the present embodiment polymer melt, same as in Example 1, it is to use needleless
Formula spinning head, i.e. slit-type spinning head.Slit-type spinning head may is that one side flow-guiding type left-right asymmetry, double baffle type
Symmetrical, screen clip type, and the slit-type spinning head of embedded screen clip type.Employing slit-type spinning head can be real
The electrostatic spinning of existing polymer melt.
Claims (9)
1. a needleless hair style electrostatic spinning apparatus, including spinning head, receives electrode, high voltage power supply, molten for storing polymer
The NaOH solution tank NaOH of liquid, waste liquid tank, base material and reel system thereof；
A. spinning head, be positioned at and receive electrode respectively by the positive and negative electrode of high tension cable and high voltage power supply even directly over spinning head
Connect；
B. it is used for the NaOH solution tank NaOH storing polymer solution to be connected with spinning head by solution feed pump, feed flow check valve, liquid feeding pipeline, structure
Becoming feed flow loop, described solution feed pump uses pneumatic diaphragm pump, and described liquid feeding pipeline uses polyfluortetraethylene pipe；
C. it is positioned at bottom spinning head, collects the waste liquid tank overflowing polymer solution, by waste drains pump, waste liquid check valve, sewer pipe
Road is connected with waste liquid tank, constitutes devil liquor recovery loop；
D. base material is by the reel system being made up of let off roll, wind-up roll, guide roller, horizontal through spinning head with receive electrode it
Between, and continuously-running；
It is characterized in that: described spinning head is about double baffle type symmetrical slit-type spinning head, one side flow-guiding type
Asymmetric slit-type spinning head or screen clip type slit-type spinning head, wherein, the symmetrical slit-type of double baffle type
Spinning head and the left-right asymmetry slit-type spinning head of one side flow-guiding type are all tight by left half spinning head, right half spinning head
Laminating, and be integrally formed by thread connector fastening；Left and right two half spinning heads are that top is in by the intilted point in outside
Acute cone shape and the metal plate-like component flushed, constitute slotted opening (108) on slit-type spinning head (1) top after the two docking,
The cavity that composition slit-type spinning head (1) is internal below slotted opening (108)；Cavity include top slit (107), in
The flow channel for liquids (104) in portion and current-sharing grid (105), the liquid storage cylinder (106) of bottom；Liquid storage cylinder (106) and slit-type spinning head
(1) inlet opening (111) UNICOM of bottom；
Described screen clip type slit-type spinning head by left and right two panels spinning head component, and is clipped in left and right two panels spinning head component
Between screen intermediate plate fit tightly, and by thread connector fastening be integrally formed；The grizzly bar of current-sharing grid is had on screen intermediate plate；
Left and right two panels spinning head component and screen intermediate plate three constitute slotted opening and internal cavity, the slotted opening of spinning head
(108) also can be made up of the docking of left and right two panels spinning head component.
2. a needleless hair style electrostatic spinning apparatus, including spinning head, receive electrode, high voltage power supply, for store polymer melt
The fluid reservoir of melt body, waste liquid tank, base material and reel system thereof, and heater and electric heating control device thereof；
A. spinning head is connected with the earth by earth lead；It is positioned at the reception electrode directly over spinning head by high tension cable and high pressure
Power supply is connected, high voltage power supply provide negative polarity high pressure；
B. for storing the fluid reservoir of polymer melt, its top is connected with compressed air source by compressed air piping；
Outlet bottom fluid reservoir is connected with spinning head by liquid feeding pipeline, constitutes the feed flow loop of polymer melt；
C. fluid reservoir is configured with fluid reservoir heater；Feed pipe is configured with feed pipe heater, and described feed pipe uses gold
Belong to pipe；
D. it is positioned at bottom spinning head, for collecting the waste liquid tank of the polymer melt of spilling, and between fluid reservoir, passes through waste liquid
Pump, devil liquor recovery pipe are connected, and constitute devil liquor recovery loop；
E. spinning head and waste liquid tank are configured with spinning head and waste liquid tank heater, this heater and sewer pipe heater,
Fluid reservoir heater, feed pipe heater, be connected with electric heating control device jointly, constitutes heating system；
F. base material is by the reel system being made up of let off roll, wind-up roll, guide roller, horizontal through spinning head with receive electrode it
Between, and continuously-running；
It is characterized in that: described spinning head is slit-type spinning head (1)；Tight by left half spinning head, right half spinning head
Laminating, and be integrally formed by thread connector fastening；Left and right two half spinning heads are that top is in by the intilted point in outside
Acute cone shape and the metal plate-like component flushed, constitute slotted opening (108) on slit-type spinning head (1) top after the two docking,
Cavity within composition spinning head below slotted opening (108)；Cavity includes the slit (107) on top, the liquid at middle part
Runner (104) and current-sharing grid (105), the liquid storage cylinder (106) of bottom；Liquid storage cylinder (106) and the inlet opening of spinning head (1) bottom
(111) UNICOM；
Or, slit-type spinning head (1) is by left and right two panels spinning head component, and is clipped between left and right two panels spinning head component
Screen intermediate plate fits tightly, and is integrally formed by thread connector fastening；The grizzly bar of current-sharing grid is had on screen intermediate plate；Left and right two
Sheet spinning head component and screen clip bonded constitute the slotted opening of spinning head and internal cavity, and slotted opening (108) also may be used
It is made up of the docking of left and right two panels spinning head component.
Needleless hair style electrostatic spinning apparatus the most according to claim 1, it is characterised in that: about described one side flow-guiding type
In asymmetric slit-type spinning head, its left half spinning head (101), right half spinning head (102) are left-right asymmetry, and it is left half years old
Several the most alternate uniform current-sharing grid grizzly bar and longitudinal fluting, right half spray webbing are had on the composition surface of sheet spinning head (101)
The composition surface of head (102) is plane；The composition surface of current-sharing grid grizzly bar is constituted with the plane closed butt joint of right half spinning head (102)
Current-sharing grid (105), and longitudinal fluting constitutes flow channel for liquids (104).
Needleless hair style electrostatic spinning apparatus the most according to claim 1, it is characterised in that: about described double baffle type
In symmetrical slit-type spinning head, its symmetrical setting of left and right two half spinning heads (201,202)；Left and right two half sprays
The grizzly bar of several symmetrical the most alternate uniform current-sharing grid, grid are had respectively on the composition surface of silk head (201,202)
It it is longitudinal fluting between bar；After the docking of left and right two half spinning heads (201,202), the grizzly bar end face of current-sharing grid is butted into current-sharing
Grid (105), longitudinal fluting constitutes flow channel for liquids (104).
Needleless hair style electrostatic spinning apparatus the most according to claim 1 and 2, it is characterised in that: described left and right two panels spray
Silk head component is symmetrical left and right two panels spinning head component (301,302)；Left and right two panels spinning head component (301,
302) fit tightly with screen intermediate plate (303) therebetween, and be integrally formed slit-type spray webbing by thread connector fastening
Head；Left and right two panels spinning head component (301,302) and screen intermediate plate (303) three collectively form slotted opening (108) and inside
Cavity；There is the grizzly bar of current-sharing grid on described screen intermediate plate, be to have several the most alternate uniform on screen intermediate plate (303)
Grizzly bar (304)；Between grizzly bar (304), the bottom at interval is linked up with liquid storage cylinder；The two ends of screen intermediate plate (303) and the periphery of bottom
On have the fixing hole of thread connector.
Needleless hair style electrostatic spinning apparatus the most according to claim 1 and 2, it is characterised in that: left and right described spray webbing
Head component is symmetrical embedded left and right two panels spinning head component (305,307)；Described screen intermediate plate is embedded into grid
Plate holder sheet (308)；Embedded left and right two panels spinning head component (305,307) and the embedded screen intermediate plate being clipped in therebetween
(308) fit tightly, be integrally formed slit-type spinning head (1) by thread connector fastening；Embedded left and right two panels spinning head
In the composition surface of component (305,307) fluted, be embedded in embedded screen intermediate plate (308) in groove；Embedded left and right two panels spray webbing
Head component (305,307) and embedded screen intermediate plate (308) three constitute the cavity within slit-type spinning head；
There is the grizzly bar of current-sharing grid on described screen intermediate plate, be embedded on screen intermediate plate (308) having several the most alternate uniform
Grizzly bar (304), the bottom of grizzly bar (304) by screen intermediate plate base connect, screen intermediate plate base is in the position of liquid storage cylinder (106)
Put；Hole, location (309) is had, with determining on embedded left and right half spinning head component (305) on embedded screen intermediate plate (308)
Position post (306) is corresponding.
Needleless hair style electrostatic spinning apparatus the most according to claim 1 and 2, it is characterised in that: described slit-type spray webbing
The slotted opening (108) of head and the width on cavity top slit (107) are between 0.05～2mm；Length L of slit-type spinning head
For 200mm～2000mm.
Needleless hair style electrostatic spinning apparatus the most according to claim 1 and 2, it is characterised in that: the grid of described current-sharing grid
Bar is water-drop-shaped along the section configuration that electrostatic spinning liquid flows to.
Needleless hair style electrostatic spinning apparatus the most according to claim 2, it is characterised in that: described spinning head and waste liquid tank
Heater, for heat preserving type spinning head and waste liquid tank heater (96)；It includes outside the insulation poured into a mould by lightweight refracrory
Shell；Lagging casing is made up of left and right two pieces sidewall (602,603) and end cap (604) three part；Three parts of lagging casing
In fixing lagging casing (6), platform (606) is had by the metal rack (605) of bottom；Platform lays slit-type on (606)
Spinning head (1), the hole (607) disposing feed tube is arranged at platform (606) bottom；There are waste liquid tank (608), waste liquid tank in platform both sides
(608) bottom has outage (609), outage (609) to be connected with outside weep circuit；The end cap (604) of lagging casing
On have left and right two row's circular holes (610), be inserted with in circular hole to slit-type spinning head (1) heating heating rod (611).
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| CN201410022675.6A CN104790048B (en) | 2014-01-18 | 2014-01-18 | Needleless hair style electrostatic spinning apparatus |
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|---|---|---|---|
| CN201410022675.6A CN104790048B (en) | 2014-01-18 | 2014-01-18 | Needleless hair style electrostatic spinning apparatus |
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| CN106048749B (en) * | 2016-08-03 | 2018-05-15 | 东华大学 | A kind of linear channel-shaped needle-free electrostatic spinning apparatus and spinning process |
| CN106435792A (en) * | 2016-12-02 | 2017-02-22 | 吉林省华纺静电材料科技有限公司 | Constant temperature spraying type de-oiling agent device |
| CN108385172A (en) * | 2018-01-17 | 2018-08-10 | 广州市白云美好滤清器厂 | A kind of nanofiber manufacturing equipment |
| CN108411385A (en) * | 2018-05-03 | 2018-08-17 | 东华大学 | A kind of suitable gravity duckbill electrostatic spinning apparatus and method |
| CN109023557B (en) * | 2018-09-14 | 2020-11-06 | 浙江农林大学暨阳学院 | Electrostatic spinning device |
| CN109537072A (en) * | 2018-12-29 | 2019-03-29 | 李瑞锋 | A kind of adjustable electrostatic spinning apparatus of spout and electrospinning process |
| CN111058100B (en) * | 2019-12-02 | 2023-10-20 | 厦门纳莱科技有限公司 | Mass production electrostatic spinning nozzle and electrostatic spinning device for horizontal spinning |
| CN110983457B (en) * | 2019-12-25 | 2023-08-29 | 北京化工大学 | Sawtooth type electrostatic spinning device and method capable of periodically changing electric field |
| CN111455473A (en) * | 2020-04-14 | 2020-07-28 | 江阴市合助机械科技有限公司 | Spinneret plate and processing method thereof |
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| KR100458946B1 (en) * | 2002-08-16 | 2004-12-03 | (주)삼신크리에이션 | Electrospinning apparatus for producing nanofiber and electrospinning nozzle pack for the same |
| CN202809020U (en) * | 2012-05-30 | 2013-03-20 | 湖南博弈飞装备新材料研究所 | Continuous electrostatic spinning system |
| JP3184886U (en) * | 2013-03-21 | 2013-07-25 | 國興 李 | Screw fiber generator and electrostatic rod spinning equipment |
| CN103147139B (en) * | 2013-04-02 | 2015-12-23 | 厦门大学 | A kind of gas induced electric spinning equipment |
| CN203754858U (en) * | 2014-01-18 | 2014-08-06 | 青岛中科华联新材料有限公司 | Needleless electrostatic spinning device |
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