CN105734690A - Multi-nozzle airflow and air bubble spinning device - Google Patents
Multi-nozzle airflow and air bubble spinning device Download PDFInfo
- Publication number
- CN105734690A CN105734690A CN201610321401.6A CN201610321401A CN105734690A CN 105734690 A CN105734690 A CN 105734690A CN 201610321401 A CN201610321401 A CN 201610321401A CN 105734690 A CN105734690 A CN 105734690A
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- bubble
- air
- air bubble
- spinning device
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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
- D01D4/00—Spinnerette packs; Cleaning thereof
-
- 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
- D01D13/02—Elements of machines in combination
-
- 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
- D01D7/00—Collecting the newly-spun products
Abstract
The invention provides a multi-nozzle airflow and air bubble spinning device. The multi-nozzle airflow and air bubble spinning device comprises a spraying-out unit and a receiving unit, wherein the spraying-out unit comprises a liquid storage groove, a high-pressure airflow generator, air bubble nozzles, a liquid supplying device and a bubbler; an air bubble spraying pipe plate covers the top of the liquid storage groove; a plurality of air bubble spraying pipes with the air bubble nozzles are uniformly arranged on the air bubble spraying pipe plate; the high-pressure airflow generator is connected with the liquid storage groove through one air spraying pipe with the middle axis overlapped with the middle axis of the air bubble spraying pipe plate; the receiving device comprises a receiving device and a negative-pressure box; the receiving device is composed of a receiving plate and roller shafts and the roller shafts are located on the two sides of the receiving plate. According to the multi-nozzle airflow and air bubble spinning device, the liquid storage groove which is provided with the plurality of air bubble nozzles and is sealed is adopted, and the negative-pressure box generates negative pressure, so that solution nature change and environment pollution, caused by solvent volatilization, can be effectively avoided; meanwhile, the problems that fibers in an airflow and air bubble spinning process are not easy to collect and the fibers are not uniformly collected are effectively solved, and furthermore, the yield of a micro-nano fiber material prepared by airflow and air bubble spinning is improved.
Description
Technical field
The present invention relates to spinning technical field of mechanical equipment, be specifically related to a kind of many shower nozzles air-flow air bubble spinning device.
Background technology
It is small that micro nanometer fiber material has size, and specific surface area is big, a series of advantages such as fiber seriality is good, thus has broad application prospects in fields such as environmental health, Information technology, energy security, biomedicine, national defense and military.At present, electrostatic spinning technique is acknowledged as the micro nanometer fiber most efficient method that can quickly obtain different-diameter, different-shape, difference in functionality.
But, for traditional single needle or Multi needle electrostatic spinning technique, easily blocking owing to it exists syringe needle, difficult clean, the defect such as yield poorly, and is therefore difficult to meet the mass production of micro nanometer fiber.In order to overcome this kind of defect as far as possible, researcher proposes some new spining technologies in the process that it is updated, as: disk electrostatic spinning technique, bubble electrostatic spinning technique, air-flow air bubble spinning technology etc., these spining technologies achieve the mass production of micro nanometer fiber all to a certain extent.
Wherein, air-flow air bubble spinning technology is as a kind of novel method preparing micro nanometer fiber material, its principle is to produce bubble on polymer solution surface, formed without several tiny fluid columns after bubbles burst, every fluid column is equivalent to a taylor cone, simultaneously using air-flow as power, fluid column is stretched to refine under the effect of high velocity air and produces substantial amounts of micro nanometer fiber, greatly improves the yield of micro nanometer fiber.And in air-flow air bubble spinning process, injection stream self is had astable swing characteristic, cause to produce impact between injection stream, intermesh between per share injection stream, result in fiber drop point on the reception device and there is randomness, the fiber distribution collected has arbitrariness, also collects to fiber simultaneously and causes certain difficulty.
In view of problem above, being necessary to propose one can without completing spinning under electrostatic interaction, and air-flow air bubble spinning can be improved further and prepare the yield of nanofiber, improve many shower nozzles air-flow air bubble spinning device of the uniformity collecting fiber, to solve the problems referred to above.
Summary of the invention
In view of this, the present invention provides a kind of by adopting the combination of many bubbles shower nozzle, the reservoir of airtight setting, and negative pressure box produces the effect of negative pressure, effectively avoid SOLUTION PROPERTIES change and environmental pollution that solvent volatilization causes, meanwhile, in effective solution air-flow air bubble spinning process, irregular problem collected by fiber not easily collecting and fiber, and further increases many shower nozzles air-flow air bubble spinning device that air-flow air bubble spinning prepares the yield of micro nanometer fiber material.
For reaching above-mentioned purpose, the technical solution used in the present invention is:
A kind of many shower nozzles air-flow air bubble spinning device, including spray unit and reception unit, receives unit and is arranged on the vertical direction of spray unit；
Spray unit includes reservoir, high pressure draught generator, bubble shower nozzle, liquid feed device and bubbler；The top capping of described reservoir has a bubble nozzle plate；Described bubble nozzle plate is evenly arranged with multiple bubble jet pipe with bubble shower nozzle；Described high pressure draught generator is positioned at the lower section of reservoir, and the air jet pipe simultaneously overlapped with bubble nozzle plate axis by an axis is connected with reservoir；One end of described air jet pipe protrudes from reservoir top；Described liquid feed device is connected with reservoir；Described bubbler is connected with each bubble jet pipe on bubble nozzle plate；
Receive unit to include receiving device, negative pressure box；Described reception device is mounted to negative pressure box on the one side of spray unit；Described negative pressure box includes Negative pressure machine and screen cloth, and screen cloth is positioned at the top receiving device；Described reception device is by receiving plate and roll shaft forms, and wherein roll shaft is positioned at the both sides receiving plate.
Wherein, it is preferred that the connection between described reservoir and each device is airtight setting.
Preferably, each bubble jet pipe described is all equal to the vertical dimension of bubble nozzle plate axis, and the air line distance between two bubble jet pipes of arbitrary neighborhood is all equal.
Preferably, described bubble shower nozzle tilts to bubble nozzle plate central axis, and opening upwards, and the tilt angle ranges formed between itself and horizontal line is 60 °～85 °.
Preferably, the diameter of described bubble shower nozzle is 0.3-5cm.
Preferably, described air jet pipe includes puff prot, air inlet and airway three part, and wherein puff prot and air inlet are tubaeform, and airway is cylindrical.
Preferably, the maximum radius of described air inlet is not less than the maximum radius of puff prot, and the maximum radius of described puff prot is less than the bubble jet pipe vertical dimension to bubble nozzle plate central axis.
Preferably, it is provided with range adjuster between described reception device and described bubble shower nozzle.
Preferably, described reception plate is network structure.
Compared with prior art, there is advantages that
1. the connection between reservoir and each device is set to closed structure, effectively avoid SOLUTION PROPERTIES (viscosity, concentration, surface tension etc.) change and environmental pollution that in spinning liquid, solvent volatilization causes, ensure that continuing with stable of spinning process.
2. the combination of more than bubble shower nozzle uses, reasonably configure the spacing between each bubble shower nozzle, guaranteeing to be independent of each other between each bubble shower nozzle, can not only effectively avoid the interaction between many bubbles, also further increasing air-flow air bubble spinning prepares the yield of micro nanometer fiber simultaneously.
3. adopt negative pressure box to produce negative pressure in fiber collecting region, and use the netted reception device of roll shaft, be conducive to fibers adsorption on the reception device, the effective problem solving a large amount of unstable fiber not easily collectings because of action of high-speed airflow generation, improve the uniformity collecting fiber simultaneously.
4. adopt flaring puff prot and air inlet, under identical gas pressure, be effectively increased the jet radius of puff prot, and guarantee stablizing of air velocity, it is thus possible to use relatively low air-flow air pressure and produce higher air velocity.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of many shower nozzles air-flow air bubble spinning device provided by the invention；
Fig. 2 is the structural representation of bubble nozzle plate；
Fig. 3 is the structural representation of air jet pipe；
Fig. 4 is the structural representation receiving device.
The accompanying drawing labelling related in accompanying drawing and ingredient illustrate:
1, high pressure draught generator；2, air jet pipe；21, puff prot；22, airway；23, air inlet；3, liquid feed device；4, reservoir；5, bubble nozzle plate；51, bubble jet pipe；6, device is received；61, plate is received；62, roll shaft；7, negative pressure box；71, Negative pressure machine；72, screen cloth；8, bubble；9, bubble shower nozzle；10, bubbler.
Detailed description of the invention
The present invention is directed to deficiency of the prior art, provide a kind of many shower nozzles air-flow air bubble spinning device, by adopting multiple bubble shower nozzle to combine, and form negative pressure with negative pressure box in spinning zone, realize a large amount of productions of micro nanometer fiber material, collect uniform fibrous material simultaneously.
Following by detailed description of the invention, technical scheme is clearly and completely described.Obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Shown in Fig. 1～Fig. 4, a kind of many shower nozzles air-flow air bubble spinning device, including spray unit and reception two parts of unit, receive unit and be arranged on the vertical direction of spray unit, wherein spray unit includes reservoir 4, high pressure draught generator 1, bubble shower nozzle 9, liquid feed device 3 and bubbler 10, receives unit and includes receiving device 6, negative pressure box 7.
The top capping of reservoir 4 has a bubble nozzle plate 5, bubble nozzle plate 5 is evenly arranged with multiple bubble jet pipe 51 with bubble shower nozzle 9, wherein each bubble jet pipe 51 is all equal to the vertical dimension of bubble nozzle plate 5 axis, and air line distance between two bubble jet pipes 51 of arbitrary neighborhood is all equal, bubble shower nozzle 9 is arranged on bubble jet pipe 51, tilt to bubble nozzle plate 5 central axis, and opening upwards, effective guarantee is independent of each other between the bubble 8 that each bubble shower nozzle 9 produces, in addition the diameter of bubble shower nozzle 9 is within the scope of 0.3-5cm, the tilt angle ranges formed between itself and horizontal line is 60 °～85 °, the shower nozzle selecting suitable diameter and horizontal tilt angle can be needed according to actual spinning, thus being conducive to the uniform and stable generation of bubble 8.
High pressure draught generator 1 is positioned at the lower section of reservoir 4, and the air jet pipe 2 simultaneously overlapped with bubble nozzle plate 5 axis by an axis is connected with reservoir 4, and one end of air jet pipe 2 protrudes from reservoir 4 top.Air jet pipe 2 includes puff prot 21, air inlet 23 and airway 22 3 part, and air inlet 23 is connected with high pressure draught generator 1, and during spinning, air-flow is produced by high pressure draught generator 1, enters into airway 22 by air inlet 23, finally spouting by puff prot 21.
Wherein, puff prot 21 and air inlet 23 are tubaeform, and airway 22 is cylindrical, and the maximum radius of air inlet 23 is not less than the maximum radius of puff prot 21, and the maximum radius of puff prot 21 is less than the vertical dimension of bubble jet pipe 51 to bubble nozzle plate 5 central axis.It is effectively increased the jet radius of puff prot 21, and ensure that stablizing of air velocity, it is thus possible to use relatively low air-flow air pressure and produce higher air velocity.
Liquid feed device 3 is connected with reservoir 4, and in reservoir 4, carry solution, bubbler 10 is connected with each bubble jet pipe 51 on bubble nozzle plate 5 by conduit, it is ensured that each bubble shower nozzle 9 produces the independence of bubble 8, generation bubble 8 that can be stable between each bubble shower nozzle 9.At this wherein, connection between reservoir 4 and each device is designed as substantially airtight space structure, effectively avoids solvent volatilization and changes the character of spinning solution (such as viscosity, concentration, surface tension etc.), thus causing spinning process unstable and to problems such as the pollutions of environment.
Receiving device 6 and be mounted to negative pressure box 7 on the one side of spray unit, negative pressure box 7 includes Negative pressure machine 71 and screen cloth 72, and screen cloth 72 is positioned at the top receiving device 6, is used for intercepting foreign material, it is prevented that foreign material enter in Negative pressure machine 71 accidents caused.
Receiving device 6 to be made up of reception plate 61 and roll shaft 62, wherein roll shaft 62 is positioned at the both sides receiving plate 61.This reception plate 61 is network structure, can adopt wire netting or nonmetal net, and mesh form can be circular or rhombus or oval or polygonized structure etc., and concrete structure shape does not limit.
Additionally, many shower nozzles air-flow air bubble spinning device also includes, for regulating the range adjuster receiving device 6 with the spacing of bubble shower nozzle 9, can setting the position receiving the relative device for spinning of device 6 according to specific needs.
This many shower nozzles air-flow air bubble spinning device in working order time, polymer solution is injected in reservoir 4 by liquid feed device 3.After reservoir 4 fills solution, then open bubbler 10, regulate bubbler 10 to suitable foaming speed so that produce bubble 8 at bubble shower nozzle 9 place.Meanwhile, opening high pressure draught generator 1, regulate high pressure draught generator 1 to suitable air velocity, the air-flow that high pressure draught generator 1 produces is spouting through air jet pipe 2.Now, the bubble 8 produced at bubble shower nozzle 9 place is formed without several fine fluid columns after breaking, and in High Speed Airflow Within, fine fluid column is stretched, refines the substantial amounts of micro nanometer fiber of formation.Opening the Negative pressure machine 71 on negative pressure box 7 again and form negative pressure in spinning zone, a large amount of micro nanometer fibers of generation are aggregated under the effect of negative pressure, are finally collected on reception device 6.
The present invention is by adopting the reservoir of the combination of many bubbles shower nozzle, airtight setting, and negative pressure box produces the effect of negative pressure, effectively avoid SOLUTION PROPERTIES change and environmental pollution that solvent volatilization causes, simultaneously, effective solve fiber not easily collecting and fiber in air-flow air bubble spinning process and collect irregular problem, and further increase air-flow air bubble spinning and prepare the yield of micro nanometer fiber material.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.The multiple amendment of these embodiments be will be apparent from for those skilled in the art, and generic principles defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (9)
1. shower nozzle air-flow air bubble spinning device more than a kind, it is characterised in that: include spray unit and receive unit, receiving unit and be arranged on the vertical direction of spray unit；
Spray unit includes reservoir, high pressure draught generator, bubble shower nozzle, liquid feed device and bubbler；The top capping of described reservoir has a bubble nozzle plate；Described bubble nozzle plate is evenly arranged with multiple bubble jet pipe with bubble shower nozzle；Described high pressure draught generator is positioned at the lower section of reservoir, and the air jet pipe simultaneously overlapped with bubble nozzle plate axis by an axis is connected with reservoir；One end of described air jet pipe protrudes from reservoir top；Described liquid feed device is connected with reservoir；Described bubbler is connected with each bubble jet pipe on bubble nozzle plate；
Receive unit to include receiving device, negative pressure box；Described reception device is mounted to negative pressure box on the one side of spray unit；Described negative pressure box includes Negative pressure machine and screen cloth, and screen cloth is positioned at the top receiving device；Described reception device is by receiving plate and roll shaft forms, and wherein roll shaft is positioned at the both sides receiving plate.
2. one many shower nozzles air-flow air bubble spinning device according to claim 1, it is characterised in that: the connection between described reservoir and each device is airtight setting.
3. one many shower nozzles air-flow air bubble spinning device according to claim 1, it is characterised in that: each bubble jet pipe described is all equal to the vertical dimension of bubble nozzle plate axis, and the air line distance between two bubble jet pipes of arbitrary neighborhood is all equal.
4. one many shower nozzles air-flow air bubble spinning device according to claim 1, it is characterised in that: described bubble shower nozzle tilts to bubble nozzle plate central axis, and opening upwards, and the tilt angle ranges formed between itself and horizontal line is 60 °～85 °.
5. one many shower nozzles air-flow air bubble spinning device according to claim 1, it is characterised in that: the diameter of described bubble shower nozzle is 0.3-5cm.
6. one many shower nozzles air-flow air bubble spinning device according to claim 1, it is characterised in that: described air jet pipe includes puff prot, air inlet and airway three part, and wherein puff prot and air inlet are tubaeform, and airway is cylindrical.
7. one many shower nozzles air-flow air bubble spinning device according to claim 6, it is characterized in that: the maximum radius of described air inlet is not less than the maximum radius of puff prot, the maximum radius of described puff prot is less than the bubble jet pipe vertical dimension to bubble nozzle plate central axis.
8. one many shower nozzles air-flow air bubble spinning device according to claim 1, it is characterised in that: it is provided with range adjuster between described reception device and described bubble shower nozzle.
9. one many shower nozzles air-flow air bubble spinning device according to claim 1, it is characterised in that: described reception plate is network structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610321401.6A CN105734690B (en) | 2016-05-16 | 2016-05-16 | A kind of more shower nozzle air-flow air bubble spinning devices |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610321401.6A CN105734690B (en) | 2016-05-16 | 2016-05-16 | A kind of more shower nozzle air-flow air bubble spinning devices |
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| Publication Number | Publication Date |
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| CN105734690A true CN105734690A (en) | 2016-07-06 |
| CN105734690B CN105734690B (en) | 2018-01-19 |
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| CN201610321401.6A Expired - Fee Related CN105734690B (en) | 2016-05-16 | 2016-05-16 | A kind of more shower nozzle air-flow air bubble spinning devices |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114432897A (en) * | 2022-01-18 | 2022-05-06 | 上海工程技术大学 | Super-hydrophobic moisture-permeable nanofiber membrane as well as preparation method and application thereof |
| CN114753060A (en) * | 2022-04-18 | 2022-07-15 | 江苏大学 | Preparation and hot-pressing integrated device and method for directional interconnected high-thermal-conductivity composite film |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114432897A (en) * | 2022-01-18 | 2022-05-06 | 上海工程技术大学 | Super-hydrophobic moisture-permeable nanofiber membrane as well as preparation method and application thereof |
| CN114753060A (en) * | 2022-04-18 | 2022-07-15 | 江苏大学 | Preparation and hot-pressing integrated device and method for directional interconnected high-thermal-conductivity composite film |
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| CN105734690B (en) | 2018-01-19 |
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Granted publication date: 20180119 Termination date: 20200516 |