CN103590121B - A kind of linear jet flow is without spray nozzle type electrostatic spinning apparatus - Google Patents
A kind of linear jet flow is without spray nozzle type electrostatic spinning apparatus Download PDFInfo
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- CN103590121B CN103590121B CN201310596562.2A CN201310596562A CN103590121B CN 103590121 B CN103590121 B CN 103590121B CN 201310596562 A CN201310596562 A CN 201310596562A CN 103590121 B CN103590121 B CN 103590121B
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Abstract
The invention discloses a kind of linear jet flow without spray nozzle type electrostatic spinning apparatus, belong to electrostatic spinning field.It mainly comprises feeding mechanism, raw material storage room, spinning roller, roller heater, spinning flow deflector, motor, battery lead plate, HV generator, exhausting casing, air exhauster, lapping band and hot rolling receiving system, the roll body intimate surface contact of spinning flow deflector and spinning roller, polymer solution or melt are attached to the roll body surface of spinning roller, when raw material rotates to spinning flow deflector position with spinning roller, just can climb on flow deflector, thus linear jet flow is formed under electrostatic field force effect, spinning flow deflector can prevent not being finished feed liquid and be back in stoste pond, affect original liquid concentration.A kind of linear jet flow of the present invention is without spray nozzle type electrostatic spinning apparatus, in conjunction with the advantage that spinning roller spinning output is high, introduce flow deflector, namely solve the uneven difficult problem of jet, achieve again the roll body automatically cleaning of spinning roller, meet the basic demand of suitability for industrialized production stability.
Description
Technical field
The present invention relates to a kind of electrostatic spinning apparatus, belong to electrostatic spinning field.
Background technology
Electrostatic spinning process applies high-voltage electrostatic field exactly between shower nozzle and receiving system, makes polarized fluid overcome surface tension under the effect of electric field force, forms jet, dash receiver obtains the process of superfine fibre.
Along with the intensification of nanometer technology, electrospun nanofibers is utilized to become one of current study hotspot.Electrostatic spinning technique is divided into solution electrostatic spinning technique and melt electrostatic spinning technology, solution electrostatic spinning technique receives much concern because it can obtain the superfine fibre of tens nanometers, existing more than 3000 section of current related article, although solution electrospinning can prepare superfine nano fiber, its spinning yields poorly and governs the popularization of its industrialization all the time.Therefore in order to improve output, researchers utilize roller to replace nozzle needle, many jets are produced with this, " nanometer spider " (PCT/CZ2004/000056) of most representational genus Czech, it adopts pulley type to spray silk, solve the blocking of needle-based shower nozzle and the problem such as to yield poorly, meet industrialization demand to a certain extent, but still there are some problems in its device for spinning, along with the passing of spinning time, roller surface can be piled up gradually, be unfavorable for carrying out smoothly of spinning, and roller surface is circular arc, the phenomenon of jet inequality can be produced under electric field force effect.How under the prerequisite ensureing spinning fibre fineness, to improve spinning output is a difficult point, and the present invention will utilize the thought of linear jet flow, solves the uniform problem of fiber, for Industry Promotion provides new approach while improving spinning output.
Summary of the invention
The present invention proposes a kind of linear jet flow without spray nozzle type electrostatic spinning apparatus, polymer solution or melt are attached to roller surface along with roller rotates, continuous print linear discharge stream is formed by the flow deflector being fixed on roller upper surface center, jet homogeneity is improve while maintenance spinning output, simultaneously flow deflector can the automatically cleaning of implement device, substantially increase the efficiency of spinning, this device for spinning be simple, easily expansion, maintainable high, be suitable for the electrostatic spinning in enormous quantities of solution or melt.
A kind of linear jet flow that the present invention proposes is without spray nozzle type electrostatic spinning apparatus, it mainly comprises feeding mechanism, raw material storage room, spinning roller, roller heater, spinning flow deflector, motor, battery lead plate, HV generator, exhausting casing, air exhauster, lapping band and hot rolling receiving system, feeding mechanism is connected with raw material storage room, raw material storage room is placed in immediately below spinning roller, spinning roller is fixed on spinning roller support, rotated by driven by motor, spinning roller the latter half is immersed in raw material, the roll body heater of spinning roller is placed in the roll body center of spinning roller, the adjacent roller upper surface of spinning flow deflector lower limb corresponds to the roll body axis of spinning roller, lapping band is placed in directly over spinning flow deflector, battery lead plate connects HV generator, to be fixed between lapping band and wind chamber and to be close to lapping band, wind chamber is connected with air exhauster, be close to battery lead plate upper end.Wherein, flow deflector two ends are threaded connection in being fixed on the connector on spinning roller support, angular transformation and degree of tightness adjustment can be realized, the roll body intimate surface contact of spinning flow deflector and spinning roller, preventing not being finished feed liquid is back in stoste pond, affect original liquid concentration, and roll body self-cleaning property can be realized.
A kind of linear jet flow of the present invention is without spray nozzle type electrostatic spinning apparatus, the adjacent roller upper surface of spinning flow deflector lower limb also corresponds to roll body axis, the roll body intimate surface contact of spinning flow deflector and spinning roller, polymer solution or melt are attached to the roll body surface of spinning roller, when raw material rotates to spinning flow deflector position with spinning roller, just can climb on flow deflector, thus linear jet flow is formed under electrostatic field force effect, spinning flow deflector can prevent not being finished feed liquid and be back in stoste pond, affect original liquid concentration, achieve the roll body self-cleaning property of spinning roller simultaneously.
A kind of linear jet flow of the present invention is without spray nozzle type electrostatic spinning apparatus, spinning flow deflector two ends are fixed on spinning roller support by connector, flow deflector adopts with connector and is threaded, angular transformation and degree of tightness adjustment can be realized, to realize jet direction controllability, spinning flow deflector can do sawtooth in the arc-shaped, triangular sawtooth or various multi-form without profile of tooth plain film etc. away from spinning roller side, spinning flow deflector total height scope is 5-20mm, and the protrusion tip of circular arc sawtooth or triangular sawtooth is 3-5mm.
A kind of linear jet flow of the present invention, without spray nozzle type electrostatic spinning apparatus, adopts single electrode to stretch, and battery lead plate adopts mesh type design, and mesh order number is 30-300 order, and battery lead plate voltage range is 10-80kv, the most advanced and sophisticated 30-150mm of distance flow deflector.
A kind of linear jet flow of the present invention is without spray nozzle type electrostatic spinning apparatus, be suitable for solution and melt electrostatic spinning, the roll body of spinning roller adopts inner heating arrangement, heater in roll body center, with the roll body surface temperature ensureing spinning roller evenly and realize rotating freely.
A kind of linear jet flow of the present invention is without spray nozzle type electrostatic spinning apparatus, in conjunction with the advantage that spinning roller spinning output is high, introduce flow deflector to produce the thought of linear jet flow, namely a difficult problem for jet inequality is solved, achieve again the automatically cleaning of the roll body of spinning roller, meet the basic demand of suitability for industrialized production stability.
Accompanying drawing explanation
Fig. 1 is that a kind of linear jet flow of the present invention is without spray nozzle type electrostatic spinning apparatus general structure schematic diagram.
Fig. 2 is the side view of the spinning roller shown in Fig. 1 and feeding mechanism.
Fig. 3 is the front section view that the spinning flow deflector shown in Fig. 1 coordinates with spinning roller position.
Fig. 4 is the connected mode enlarged drawing of the flow deflector of spinning shown in Fig. 3.
Fig. 5 is three kinds of structural representations of flow deflector shown in Fig. 1.
In figure: 1-raw material storage room, 2-spinning roller, 3-spinning roller support, 4-spinning flow deflector, 5-motor, 6-battery lead plate, 7-HV generator, 8-wind chamber, 9-air exhauster, 10-hot pressing and receiving system, 11-lapping band, 12-feeding mechanism, 13-roller heater, 14-attaching nut.
Detailed description of the invention
A kind of linear jet flow of the present invention is without spray nozzle type electrostatic spinning apparatus, schematic diagram as shown in figures 1-4, it is primarily of feeding mechanism 12, raw material storage room 1, spinning roller 2, roller heater 13, spinning flow deflector 4, motor 5, battery lead plate 6, HV generator 7, wind chamber 8, air exhauster 9, hot rolling receiving system 10 and lapping band 11 form, feeding mechanism 12 is connected with raw material storage room 1, raw material storage room 1 is placed in immediately below spinning roller 2, spinning roller 2 is fixed on spinning roller support 3, by motor 6 driven rotary, the latter half is immersed in raw material, the roll body heater 13 of spinning roller 2 is placed in the roll body center of spinning roller 2, spinning flow deflector 4 lower limb adjacent spinning roller 2 upper surface corresponds to the roll body axis of spinning roller 2, lapping band 11 is placed in directly over spinning flow deflector 4, battery lead plate 6 connects HV generator 7, to be fixed between lapping band 11 and wind chamber 8 and to be close to lapping band, wind chamber 8 is connected with air exhauster 9, wind chamber 8 is close to battery lead plate 6 upper end.Wherein, spinning flow deflector 4 two ends are fixed on spinning roller support 3 by connector, and flow deflector adopts with connector and is threaded, and can realize angular transformation and degree of tightness adjustment, the roll body intimate surface contact of spinning flow deflector and spinning roller 2.Spinning flow deflector has multiple away from the structure of spinning cylinder 2 side, and Fig. 5 is shown with three kinds, is respectively circular arc sawtooth, triangular sawtooth and without profile of tooth plain film.
A solution electrostatic spinning specific embodiment as shown in Figure 1, spinning roller 2 external diameter is 100mm, the barrel length of spinning roller 2 is 250mm, spinning flow deflector 4 height overall is 5mm, overall length is 100mm, the PAN solution of 12% is added in raw material storage room, spinning flow deflector 4 is most advanced and sophisticated is 12cm with the distance of battery lead plate 6, motor 6 rotating speed is 30r/min, when thing liquation stream to be polymerized is climbed most advanced and sophisticated to spinning flow deflector 4, add 30KV cathode voltage, flow deflector ground connection, 80 bursts of injection streams are linearly uniform along flow deflector, and fibre diameter can reach 200-1500nm.
Another melt electrostatic spinning specific embodiment as Figure 1-3, spinning roller 2 external diameter is 100mm, the barrel length of spinning roller 2 is 250mm, spinning flow deflector 4 height overall is 10mm, effective spinning overall length is 250mm, use PP pellet, feeding mechanism section sets is 200 DEG C, roll body heater 13 temperature of raw material storage room 1 and spinning roller 2 is set as 240 DEG C, adjustment spinning flow deflector 4 is most advanced and sophisticated is 13cm with the distance of battery lead plate 6, motor 6 rotating speed is 40r/min, when thing melt to be polymerized is climbed most advanced and sophisticated to spinning flow deflector 4, add 56KV cathode voltage, flow deflector ground connection, 60 bursts of injection streams are linearly uniform along flow deflector, spinning efficiency is about 40g/h.
Claims (2)
1. a linear jet flow is without spray nozzle type electrostatic spinning apparatus, it is characterized in that: mainly comprise feeding mechanism, raw material storage room, spinning roller, roller heater, spinning flow deflector, motor, battery lead plate, HV generator, exhausting casing, air exhauster, lapping band and hot rolling receiving system, feeding mechanism is connected with raw material storage room, raw material storage room is placed in immediately below spinning roller, spinning roller is fixed on spinning roller support, rotated by driven by motor, spinning roller the latter half is immersed in raw material, the roll body heater of spinning roller is placed in the roll body center of spinning roller, spinning flow deflector lower limb adjacent spinning roller upper surface corresponds to the roll body axis of spinning roller, lapping band is placed in directly over spinning flow deflector, battery lead plate connects HV generator, battery lead plate to be fixed between lapping band and wind chamber and to be close to lapping band, wind chamber is connected with air exhauster, wind chamber is close to battery lead plate upper end, flow deflector two ends are threaded connection in being fixed on the connector on spinning roller support, spinning flow deflector does sawtooth in the arc-shaped or triangular sawtooth away from spinning roller side, spinning flow deflector total height scope is 5-20mm, and the protrusion tip of circular arc sawtooth or triangular sawtooth is 3-5mm.
2. a kind of linear jet flow according to claim 1 is without spray nozzle type electrostatic spinning apparatus, it is characterized in that: battery lead plate adopts mesh type design, and mesh order number is 30-300 order, and battery lead plate voltage range is 10-80kV, the most advanced and sophisticated 30-150mm of distance flow deflector.
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| CN201310596562.2A CN103590121B (en) | 2013-11-22 | 2013-11-22 | A kind of linear jet flow is without spray nozzle type electrostatic spinning apparatus |
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| CN201310596562.2A CN103590121B (en) | 2013-11-22 | 2013-11-22 | A kind of linear jet flow is without spray nozzle type electrostatic spinning apparatus |
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| CN103590121A CN103590121A (en) | 2014-02-19 |
| CN103590121B true CN103590121B (en) | 2015-10-28 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103849946B (en) * | 2014-02-25 | 2017-02-22 | 厦门大学 | Rotary liquid feeding electrostatic spinning device |
| CN105401233B (en) * | 2015-11-11 | 2017-09-26 | 佛山轻子精密测控技术有限公司 | A kind of pointed tooth caged electrode electrostatic spinning apparatus |
| CN105506758B (en) * | 2015-11-25 | 2017-09-26 | 东华大学 | A kind of zigzag ring-type needle-free electrostatic spinning apparatus and its application method |
| CN105568408B (en) * | 2016-01-31 | 2018-05-15 | 武汉纺织大学 | A kind of guide tracked electrospinning process of reciprocating linear |
| CN110273190B (en) * | 2018-07-19 | 2021-10-08 | 武汉纺织大学 | Open electrospinning nozzle based on annular uniform distribution multiple blades |
| CN109750360B (en) * | 2019-03-21 | 2021-05-25 | 东华大学 | Self-cleaning spiral electrostatic spinning nozzle and use method thereof |
| CN110144630B (en) * | 2019-06-28 | 2023-11-24 | 青岛科技大学 | Jet-flow-controllable electrostatic spinning device |
| CN113930851A (en) * | 2021-09-22 | 2022-01-14 | 南通顶誉纺织机械科技有限公司 | Rotary liquid-carrying type electrostatic spinning device and spinning method |
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| WO2006131081A1 (en) * | 2005-06-07 | 2006-12-14 | Elmarco, S.R.O. | A method and device for production of nanofibres from the polymeric solution through electrostatic spinning |
| CN101275298A (en) * | 2008-05-13 | 2008-10-01 | 华南理工大学 | Non-nozzle continuous electrostatic spinning system |
| CN102828259A (en) * | 2012-09-18 | 2012-12-19 | 天津工业大学 | Saw tooth type needle-free electrostatic spinning device |
| CN103215661A (en) * | 2013-04-07 | 2013-07-24 | 高小歌 | Electrostatic spinning device and spinning method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI357449B (en) * | 2009-06-19 | 2012-02-01 | Taiwan Textile Res Inst | Roller type electrostatic spinning apparatus |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2006131081A1 (en) * | 2005-06-07 | 2006-12-14 | Elmarco, S.R.O. | A method and device for production of nanofibres from the polymeric solution through electrostatic spinning |
| CN101275298A (en) * | 2008-05-13 | 2008-10-01 | 华南理工大学 | Non-nozzle continuous electrostatic spinning system |
| CN102828259A (en) * | 2012-09-18 | 2012-12-19 | 天津工业大学 | Saw tooth type needle-free electrostatic spinning device |
| CN103215661A (en) * | 2013-04-07 | 2013-07-24 | 高小歌 | Electrostatic spinning device and spinning method |
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