CN101871131B - Nanoparticle/polymer material composite ultrafine fiber preparation device - Google Patents
Nanoparticle/polymer material composite ultrafine fiber preparation device Download PDFInfo
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Abstract
The invention discloses a nanoparticle/polymer material composite ultrafine fiber preparation device, which is characterized in that: an air source (1) is connected with the inlet (202) of a particle mixing pipe (2) and the bottom air inlet (301) of a nano particle fluidizing chamber (3) through air pipes; the top opening of the nano particle fluidizing chamber (3) is positioned at the inside diameter expansion part (201) of the particle mixing pipe (2); the outlet (203) of the particle mixing pipe (2) is connected with an air chamber (4) and a gas-powder jet nozzle (6) through conveying pipes; the gas-powder jet nozzle (6) passes through a liquid chamber (7) with the opening of the gas-powder jet nozzle (6) positioned in the inner cavity on the stable section (801) of a riser (8); the inlet of a viscose pump (5) is connected with a polymer material source and an open liquid chamber through conveying pipes; the liquid outlet of the viscose pump (5) is communicated with the inner cavity of the liquid chamber (7); the riser (8) made of an insulating material is positioned on the top part of the liquid chamber (7); the inner cavity of the riser (8) is communicated with the inner cavity of the liquid chamber (7) through the inlet (803) of the riser; the inner cavity of the riser (8) is connected with the inner cavity of an open liquid chamber (11) positioned in the top opening above the riser through a spray nozzle (10) positioned on the top part of the riser; a high-pressure generator (9) is connected with a spray nozzle (10) positioned on the top part of the riser at a position close to the bottom part of the open liquid chamber (11); a grounding pole (18) is positioned above and at a certain distance from the open liquid chamber (11); and receiving conveying belt (12) is positioned between the open liquid chamber (11) and the grounding pole (18) and close to the grounding pole (18).
Description
Technical field:
The present invention relates to a kind of composite fibre preparation facilities, be specifically related to a kind of nano particle/polymer material composite ultrafine fiber preparation device.
Background technology:
The nano particle of sub-micron, nanoscale/macromolecular material composite fibre has a wide range of applications in fields such as biomedicine, the energy, electric dielectric materials.Because nano particle has high-specific surface area, easy spontaneous reunion forms congeries; Therefore, the preparation of the nano particle of sub-micron, nanoscale/macromolecular material fiber need solve nano particle dispersion and two difficult problems of superfine fibre drawing in the macromolecular material simultaneously.
ZL200410010886.4 has provided a kind of method for preparing metal nanoparticle/high polymer nanometer fiber; This method is a raw material with soluble metallic salt, macromolecular material, reductant, surfactant, solvent; Adopt in-situ compositing; In Polymer Solution, make it to become the metallic that is scattered in Polymer Solution with reductant reducing metal salt; The concentration of regulator solution is carried out electric spinning then, forms the high polymer nanometer fiber that contains orderly arrangement metallic.But this method only is suitable for preparing through in-situ compositing the material of nano particle/Polymer Solution system.
Therefore, through the direct dispersing nanometer particle of machinery/physical method, the device of preparation nano particle/polymer material composite ultrafine fiber has significance to research and the application that promotes nano particle/polymer material composite ultrafine fiber.
Summary of the invention:
The technical issues that need to address of the present invention are to disclose a kind of nano particle/polymer material composite ultrafine fiber preparation device.This device comprises:
1. gas-this subsystem of powder blend sub system is made up of source of the gas (1), mix particles pipe (2), nano particle fluidising chamber (3); Said source of the gas (1) can be a gas cylinder, also can be the air supply system that gas compressor and air accumulator are formed.
2. this subsystem of particle migration subsystem is made up of air chamber (4), mucus pump (5), gas-powder jet nozzle (6), liquid chamber (7) and tedge (8);
Said tedge (8) adopts insulating materials to process;
Said tedge (8) is made up of stable section (801) and reducer (802), and reducer (802) is characterised in that repeatedly alternately expansion-contraction of inner chamber internal diameter-expansion variation;
Particle disperse with this subsystem of fiber drawing subsystem by high pressure generator (9), be positioned at the nozzle (10) at tedge top, uncovered liquid chamber (11), receive conveyer belt (12) and earthing pole (18) is formed;
The said nozzle (10) that is positioned at the tedge top adopts metal material to process;
Liquid storage height in the said uncovered liquid chamber (11) will be higher than the top of nozzle (10).
The detailed process of this device preparation nano particle/macromolecular material superfine fibre is following:
1. gas-powder mixing sprays into from nano particle fluidising chamber (3) bottom from the Compressed Gas part of source of the gas (1), makes the nano particle congeries fluidisation in the nano particle fluidising chamber (3); Another part Compressed Gas from source of the gas (1) gets into mix particles pipe (2) formation high velocity air, when air-flow passes through internal diameter hole enlargement place (201) of mix particles pipe (2), can form a negative pressuren zone; Because the open top of nano particle fluidising chamber (3) is positioned at this negative pressuren zone; Nano particle congeries through fluidisation in the nano particle fluidising chamber (3) can get into mix particles pipe (2) under pressure differential; Mix with high velocity air, form gas-powder jet stream to gas-powder jet nozzle (6); Air chamber (4) is used for stabilizing gas-powder jet pressure.
2. particle moves macromolecular material after mucus pump (5) pressurization entering liquid chamber (7) is stable, is formed by tedge inlet (803) entering tedge stable sections (801) and stablizes upwelling; Gas-powder jet nozzle (6) is opened on tedge stable section inner chamber, in the macromolecular material upwelling of gas-powder jet in gas-powder jet nozzle (6) gets into the tedge stable section, forms the microbubble that includes the nano particle congeries; Upwelling carries microbubble and gets into tedge reducer (802), because the repeatedly alternately expansion-contraction-expansion of tedge reducer inner chamber internal diameter, macromolecular material is in the repeatedly alternate compression-stretching-compression of tedge reducer quilt; Macromolecular material is compressed or when stretching, can produces elongational flow (15) in the macromolecular material, and elongational flow can cause the slippage of the relative walls of macromolecular material (14), thereby causes and produce eddy current (13) in the bubble; Air whirl (13) carries the nano particle congeries that are suspended in the bubble and does circulation movement in the bubble; Because the density of nano particle congeries is greater than gas density, the nano particle congeries can be moved under effect of inertia in the macromolecular material around foaming wall and the walls.
3. particle disperses to carry bubble and to move to that the nano particle congeries in the macromolecular material get into uncovered liquid chamber (11) via the nozzle that is arranged in the tedge top (10) around walls and the walls with the fiber drawing macromolecular material; Because the pressure in the uncovered liquid chamber (11) is strong far below bubble inner pressure; When bubble got into uncovered liquid chamber (11), meeting is rapid expansion under the bubble inside and outside differential pressure drives; The bubble rapid expansion can cause producing high-speed stretch in the macromolecular material around walls and the walls; The viscous drag effect nano particle congeries that high-speed stretch causes cause the nano particle congeries broken and evenly spread in the macromolecular material with the form of nano-scale.When the fragmentation of nano particle congeries, disperseing; When macromolecular material gets into uncovered liquid chamber (11) via the nozzle that is positioned at the tedge top (10); Because the pressure in the tedge greater than the pressure in the uncovered liquid chamber (11), can form solution-air mixing jet (16) upwards in uncovered liquid chamber (11); Under the thrusting action of this solution-air mixing jet, can in uncovered liquid chamber (11), form liquid awl (17) by the macromolecular material liquid level; Because nozzle (10) links to each other with high pressure generator (9), can discharge in the macromolecular material in uncovered liquid chamber (11), and form electrostatic field between the earthing pole (18) of uncovered liquid chamber (11) top; Free charge in uncovered liquid chamber (11) the inner macromolecule material can focus on liquid awl (17) top and form taylor cone under electric field action; When electric field force during greater than polymer surface tension force; The taylor cone top has ultra-fine jet and carries and be scattered in the nano particle directive earthing pole (18) in the macromolecular material with nanoscale; Be adsorbed in and receive conveyer belt (12), form nano particle/polymer material composite ultrafine fiber; Receive conveyer belt (12) and be positioned between uncovered liquid chamber (11) and the earthing pole (18) near the position of earthing pole (18), the nano particle/polymer material composite ultrafine fiber of reception is received conveyer belt (12) band and leaves crystallizing field.
Description of drawings:
Fig. 1 list tedge nano particle/polymer material composite ultrafine fiber preparation device sketch map.
Fig. 2 mix particles pipe and nano particle fluidising chamber sketch map.
Fig. 3 tedge sketch map.
Bubble internal and external flow field sketch map when macromolecular material is stretched in Fig. 4 tedge.
Bubble internal and external flow field sketch map when macromolecular material is compressed in Fig. 5 tedge.
Many tedges of Fig. 6 nano particle/polymer material composite ultrafine fiber preparation device sketch map.
Fig. 7 nozzle arrangement sketch map.
The specific embodiment:
Come further to set forth the present invention below in conjunction with the practical implementation case.Should be appreciated that these case study on implementation only are used to the present invention is described rather than be used to limit scope of the present invention.In addition, should also be understood that the technical staff can do various forms of changes or modification to the present invention after reading this explanation, but these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Case study on implementation 1
The invention provides a kind of nano particle/polymer material composite ultrafine fiber preparation device, its practical implementation case 1 is like Fig. 1, Fig. 2, shown in Figure 3.
Source of the gas (1) links to each other through air shooter with the inlet (202) of mix particles pipe (2), the bottom air inlet (301) of nano particle fluidising chamber (3); Nano particle fluidising chamber (3) open top is in internal diameter hole enlargement place (201) of mix particles pipe (2); The outlet (203) of mix particles pipe (2) links to each other with air chamber (4) and gas-powder jet nozzle (6) through carrier pipe, and gas-powder jet nozzle (6) passes the inner chamber that liquid chamber (7) is opened on the stable section (801) of tedge (8); The nano particle congeries are fluidisation in nano particle fluidising chamber (3), in mix particles pipe (2), mixes with high velocity air to form gas-powder jet.
The inlet of mucus pump (5) links to each other with macromolecular material source and uncovered liquid chamber through carrier pipe; The liquid outlet of mucus pump (5) communicates with the inner chamber of liquid chamber (7); Tedge (8) is positioned at the top of liquid chamber (7); The inner chamber of tedge (8) communicates with the inner chamber of liquid chamber (7) through tedge inlet (803), and tedge (8) inner chamber communicates through the inner chamber of nozzle (10) that is positioned at the tedge top and the open-topped uncovered liquid chamber (11) that is positioned at the tedge top; The stable section (801) of gas-powder jet in tedge (8) that gets into macromolecular material forms the microbubble that includes the nano particle congeries; In the macromolecular material of the nano particle congeries of bubble inner suspension around the reducer (802) of tedge (8) is moved to walls and walls, the high-speed stretch that in uncovered liquid chamber (11), utilizes air bubble expansion to produce realizes the even dispersion of nano particle in macromolecular material.
High pressure generator (9) links to each other with the nozzle that is positioned at the tedge top (10), and earthing pole (18) is positioned at the place of uncovered liquid chamber (11) top certain distance, and is positioned between the nozzle (10) at tedge top and forms electrostatic field; Because the pressure in the tedge is greater than the pressure in the uncovered liquid chamber (11); Can in uncovered liquid chamber (11), form solution-air mixing jet (16) upwards; Under the thrusting action of this solution-air mixing jet; Can in uncovered liquid chamber (11), form liquid awl (17) by the macromolecular material liquid level; Liquid awl (17) can form taylor cone under electrostatic field, and produces the ultra-fine jet directive earthing pole (18) that carries nano particle under proper condition, is adsorbed in to receive conveyer belt (12) formation nano particle/polymer material composite ultrafine fiber.
Receive conveyer belt (12) and be positioned between uncovered liquid chamber (11) and the earthing pole (18) near the position of earthing pole (18), the nano particle/polymer material composite ultrafine fiber of reception is received conveyer belt (12) band and leaves crystallizing field.
Case study on implementation 2
The invention provides a kind of nano particle/polymer material composite ultrafine fiber preparation device, its practical implementation case 2 is like Fig. 2, Fig. 3, Fig. 6, shown in Figure 7.
Case study on implementation 2 is that with the difference of case study on implementation 1 case study on implementation 1 has only one group of gas-powder jet nozzle (6), tedge (8) and nozzle (10), and case study on implementation 2 has many groups gas-powder jet nozzle (6), tedge (8) and the nozzle (10) that is arranged.
Claims (8)
1. nano particle/polymer material composite ultrafine fiber preparation device; It is characterized in that: source of the gas (1) links to each other through air shooter with the inlet (202) of mix particles pipe (2) and the bottom air inlet (301) of nano particle fluidising chamber (3); Nano particle fluidising chamber (3) open top is in internal diameter hole enlargement place (201) of mix particles pipe (2); The outlet (203) of mix particles pipe (2) links to each other with air chamber (4) and gas-powder jet nozzle (6) through carrier pipe, and gas-powder jet nozzle (6) passes the inner chamber that liquid chamber (7) is opened on the stable section (801) of tedge (8); The inlet of mucus pump (5) links to each other with macromolecular material source and uncovered liquid chamber through carrier pipe; The liquid outlet of mucus pump (5) communicates with the inner chamber of liquid chamber (7); The tedge (8) that adopts insulating materials to process is positioned at the top of liquid chamber (7); The inner chamber of tedge (8) communicates with the inner chamber of liquid chamber (7) through tedge inlet (803); Tedge (8) inner chamber communicates through the inner chamber of nozzle (10) that is positioned at the tedge top and the open-topped uncovered liquid chamber (11) that is positioned at the tedge top, and the liquid storage height of uncovered liquid chamber (11) will be higher than the top of nozzle (10); High pressure generator (9) links to each other with the nozzle that is positioned at the tedge top (10) near uncovered liquid chamber (11) bottom, and earthing pole (18) is positioned at the place of uncovered liquid chamber (11) top certain distance; Receive conveyer belt (12) and be positioned between uncovered liquid chamber (11) and the earthing pole (18) position near earthing pole (18).
2. nano particle/polymer material composite ultrafine fiber preparation device according to claim 1, it is characterized in that: said source of the gas (1) can be a gas cylinder, also can be the air supply system that gas compressor and air accumulator are formed.
3. nano particle/polymer material composite ultrafine fiber preparation device according to claim 1; It is characterized in that: said tedge (8) is made up of stable section (801) and reducer (802), and reducer (802) is characterised in that repeatedly alternately expansion-contraction of inner chamber internal diameter-expansion variation.
4. nano particle/polymer material composite ultrafine fiber preparation device according to claim 1 is characterized in that: said gas-powder jet nozzle (6), tedge (8) and the number of nozzle (10) that is positioned at the tedge top are more than or equal to 1.
5. like the said nano particle/polymer material composite ultrafine fiber preparation device of claim 4; It is characterized in that: when having a plurality of gases-powder jet nozzle (6), tedge (8) and being positioned at the nozzle (10) at tedge top, arrangement mode is that arranged or concentric circles are arranged.
6. nano particle/polymer material composite ultrafine fiber preparation device according to claim 1, it is characterized in that: said uncovered liquid chamber (11) is cylinder or tetragonal body fluid reservoir.
7. like any said nano particle/polymer material composite ultrafine fiber preparation device of claim 1～6, it is characterized in that: said earthing pole (18) is metal plate electrode or metal sawtooth electrode.
8. like the application of right 1～7 any said device in the preparation of nano particle composite ultrafine fiber.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101356258A CN101871131B (en) | 2009-04-23 | 2009-04-23 | Nanoparticle/polymer material composite ultrafine fiber preparation device |
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| CN2009101356258A CN101871131B (en) | 2009-04-23 | 2009-04-23 | Nanoparticle/polymer material composite ultrafine fiber preparation device |
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| CN101871131A CN101871131A (en) | 2010-10-27 |
| CN101871131B true CN101871131B (en) | 2012-05-02 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102443856A (en) * | 2011-09-22 | 2012-05-09 | 吴江秦邦纺织有限公司 | Mixer of textile melts |
| TWI458867B (en) * | 2011-12-20 | 2014-11-01 | Univ Nat Sun Yat Sen | Hole-reaming spinning head of electrospinning |
| CN104019957B (en) * | 2014-06-13 | 2017-08-15 | 中国人民解放军国防科学技术大学 | Nano-particle Fluidizer and supersonic wind tunnel system |
| CN105063772B (en) * | 2015-07-22 | 2017-11-21 | 苏州大学 | A kind of bubble electrostatic spinning apparatus |
| CN105063771B (en) * | 2015-07-22 | 2017-12-26 | 苏州大学 | A kind of air-flow air bubble spinning device |
| CN111945235B (en) * | 2020-08-27 | 2021-06-15 | 晋江市灿兴服装织造有限公司 | Antibacterial fiber fabric spinning machine and spinning method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1584135A (en) * | 2004-05-31 | 2005-02-23 | 吉林大学 | Electrical spinning method for making metal nanometer particles in order in high-polymer nanometer fibre |
| CN101003916A (en) * | 2007-01-12 | 2007-07-25 | 东华大学 | Jet type electrostatic spinning equipment capable of producing Nano fiber in bulk |
| EP2045375A1 (en) * | 2007-10-02 | 2009-04-08 | Stem Cell Technology Company | Apparatus and method for electrospinning 2D- or 3D-structures of micro- or nano-fibrous materials |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1584135A (en) * | 2004-05-31 | 2005-02-23 | 吉林大学 | Electrical spinning method for making metal nanometer particles in order in high-polymer nanometer fibre |
| CN101003916A (en) * | 2007-01-12 | 2007-07-25 | 东华大学 | Jet type electrostatic spinning equipment capable of producing Nano fiber in bulk |
| EP2045375A1 (en) * | 2007-10-02 | 2009-04-08 | Stem Cell Technology Company | Apparatus and method for electrospinning 2D- or 3D-structures of micro- or nano-fibrous materials |
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Address after: 065001 5 Yaohua Road, Langfang economic and Technological Development Zone, Hebei Patentee after: Langfang Electric Power Sensor Technology Co., Ltd. Address before: 065001 5 Yaohua Road, Langfang economic and Technological Development Zone, Hebei Patentee before: Langfang Gaoshan Electronics Technology Co., Ltd. |