CN102677197A - Bubble electrostatic spinning device - Google Patents
Bubble electrostatic spinning device Download PDFInfo
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- CN102677197A CN102677197A CN2012101855506A CN201210185550A CN102677197A CN 102677197 A CN102677197 A CN 102677197A CN 2012101855506 A CN2012101855506 A CN 2012101855506A CN 201210185550 A CN201210185550 A CN 201210185550A CN 102677197 A CN102677197 A CN 102677197A
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Abstract
Provide is a bubble electrostatic spinning device. A heating device is added on a container wall of a liquid storage tank and can heat the container wall of the liquid storage tank so that temperature of a solution or melt in the liquid storage tank is remained as required temperature of manual control. Fluctuation of product quality caused by environment temperature change is reduced, and working efficiency is improved.
Description
Technical field
The invention belongs to the electrostatic spinning field, particularly relate to a kind of bubble electrostatic spinning apparatus of Controllable Temperature.
Background technology
Electrostatic spinning technique is to prepare superfine fibre at present and nanofiber the most also is one of fundamental method; Have the specific area of superelevation, greatly draw ratio, high surface, superior mechanical performance characteristics such as (high-strength and high ductilities) by the nanofiber of electrostatic spinning technique preparation, store with hygiene and health, the energy in Textile Engineering, environmental project, biotechnology, medical treatment, different field such as military and anti-terrorism safety all have the wide application prospect of ten minutes.Along with deepening continuously of electrostatic spinning technique research; Oneself is through there being tens kinds of polymer successfully to prepare superfine fibre through electrostatic spinning technique at present; Generally between tens nanometers to a micron, fibre diameter can reach 1 nanometer to the superfine fibre diameter of preparation when spinning condition was suitable.The basic principle that method of electrostatic spinning prepares superfine fibre can simplified summary do; Under the effect of polymer solution or melt electric field force in the high-voltage electrostatic field; Fly to receiving system from the end formation jet of capillary or bubble, jet produces high elongation in the process that arrives receiving system, and fiber attenuates; Solvent evaporation or melt in the solution solidifies simultaneously, and last fiber laydown is on receiving system.With respect to traditional electrostatic spinning technique, the advantage of bubble electrostatic spinning technique is bigger, has advantages such as the spinning efficiency that can improve nanofiber and output thereof.
The bubble electrostatic spinning technique is an important preparation nanofiber technology, has a lot of scholars that its technological parameter and spray filament system etc. is studied, like Chinese patent ZL200420020596.3, ZL200410025622.6 etc.; U.S. Pat 6616435, US6753454 etc.Research shows that except factors such as most advanced and sophisticated current potential, fluid viscosity, electrical conductivity, receiving range and surface tension, environmental factor comprises that the fibre dimensions that temperature, relative humidity obtain the bubble electrostatic spinning also has certain influence; But existing equipment seldom relates to the control of environment temperature and adjusting; Most bubble electrostatic spinning apparatus does not all have adjustment and control device, generally can only select room temperature, and the religion of production controllability is poor; Be prone to cause the poor product quality opposite sex big, production efficiency reduction etc.
Summary of the invention
In view of this; The present invention proposes a kind of bubble electrostatic spinning apparatus, this bubble electrostatic spinning apparatus can be in the electrostatic spinning process, through the temperature control equipment that adds; The bubble temperature is controlled; Thereby reduce the influence of environmental factor, improve the production controllability, help realizing the large-scale industrial production of nanofiber bubble electrostatic spinning process.
A kind of bubble electrostatic spinning apparatus according to the object of the invention proposition; Comprise liquid storage tank, HV generator, air pump, air jet pipe, wireway, metal electrode, reception pole plate, earth electrode and heater; Said liquid storage tank is the container that solution or melt are housed, and said heater heats the chamber wall of liquid storage tank.
Preferably, said heating is ccontaining to be cool-bag, and the heat-carrying medium is equipped with in the inside, and said liquid storage tank is located among this heat-carrying medium.
Preferably, said heat-carrying medium is a liquid, and its temperature is higher than solution or the melt temperature in the said liquid storage tank.
Preferably, the liquid level of said heat-carrying medium is higher than solution or the melt liquid level in the said liquid storage tank.
Preferably, said heater is a heating wire, and this heating wire is connected at least one chamber wall of one of sidepiece or bottom of said liquid storage tank.
Preferably, further comprise and be used for the agitator that solution or melt to said liquid storage tank stir.
Preferably, said air jet pipe is arranged among the solution or melt of said liquid storage tank, and the mouth of pipe of this air jet pipe is lower than the solution or the melt liquid level of said liquid storage tank.
Preferably, said wireway connects said air pump and said air jet pipe.
Preferably, said metal electrode is arranged in the said air jet pipe, and electrically connects with said HV generator.
Preferably, said accept pole plate electrically connect with said earth electrode on, and and the solution of said liquid storage tank or melt between form electric field.
Above-mentioned bubble electrostatic spinning apparatus; Increased heater to liquid storage tank; Chamber wall through liquid storage tank conducts to heat in the solution or melt of the inside; Thereby the temperature that makes solution or melt has artificial controllability, thereby reduces the influence of environmental factor to bubble electrostatic spinning process, has improved product quality stability and production efficiency.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of bubble electrostatic spinning apparatus first embodiment of the present invention;
Fig. 2 is the structural representation of bubble electrostatic spinning apparatus second embodiment of the present invention.
The specific embodiment
As described in the background technology, existing bubble electrostatic spinning apparatus in the electrostatic spinning process, lacks the effective control to temperature, and environment temperature places one's entire reliance upon.Yet environment temperature brings uncontrollable uncertain factor can for the electrostatic spinning process, makes the otherness of product quality bigger, and large-scale production is caused harmful effect.
Therefore, the present invention proposes a kind of bubble electrostatic spinning apparatus that can control the bubble temperature.This bubble electrostatic spinning apparatus has increased a heater on the chamber wall of liquid storage tank; Can the chamber wall of liquid storage tank be heated; Solution or melt temperature in the liquid storage tank maintained on artificial control temperature required; Thereby reduce the fluctuation of the product quality that causes by variation of ambient temperature, promote operating efficiency.
Particularly, this heater can be to utilize outside heat-carrying medium with certain heat, such as water, wet goods liquid, and solids such as perhaps hot sand, hot salt.Liquid storage tank is arranged in these heat-carrying mediums, the solution in the liquid storage tank or melt are heated or is incubated through heat conduction, thereby reach the object of the invention.This heater also can be arranged on the direct heater spares such as heating wire on the chamber wall of liquid storage tank, directly heats through the chamber wall to liquid storage tank, make solution or melt temperature in the liquid storage tank maintain temperature required on.
Further; For solution or melt temperature in the liquid storage tank are evenly distributed; An agitator can also be set on this bubble electrostatic spinning apparatus; Through stirring to solution or melt, the heat on the liquid storage tank chamber wall is evenly spread among the solution or melt in the whole liquid storage tank, further promote the quality stability that bubble electrostatic spinning apparatus of the present invention is done the nanofiber of making.
Below, will carry out clear, intactly description to bubble electrostatic spinning apparatus of the present invention through the specific embodiment.Obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
First embodiment
See also Fig. 1, Fig. 1 is the structural representation of the bubble electrostatic spinning apparatus under the first embodiment of the invention.As shown in the figure, this bubble electrostatic spinning apparatus comprises liquid storage tank 1, heater 2, HV generator 3, air pump 4, air jet pipe 5, wireway 6, metal electrode 7, receives pole plate 8, earth electrode 9, agitator 10 compositions.
Said liquid storage tank 1 is interior empty, and its chamber wall is the good conductor of heat preferably, and the inside is provided with in order to solution or melt as the nanofiber source.
Said air jet pipe 5 is arranged in this liquid storage tank 1; And link to each other with air pump 4 through wireway 6, said air pump 4 is in order to provide barotropic gas, and this barotropic gas sprays from air jet pipe 5; In solution or melt, form bubble, air pump 4 specifically can be gas cylinder, inflator, manual compression valve etc.The nozzle of air jet pipe 5 should be lower than solution or melt liquid level in the liquid storage tank 1.
Said metal electrode 7 is arranged in the air jet pipe 5; This metal electrode 7 electrically connects with HV generator 3; Solution in the liquid storage tank 1 or melt link to each other with HV generator 3 through metal electrode 7; The liquid storage tank top is provided with the reception pole plate 8 that connects earth electrode 9, forms electric field between solution in this reception pole plate 8 and the liquid storage tank 1 or the melt.
In this embodiment, said heater 2 is a kind of cool-bag, and the heat-carrying medium is equipped with in the inside, and this heat-carrying medium can be water, wet goods liquid, also can be solids such as hot sand, hot salt.Liquid storage tank 1 is located among this heat-carrying medium, because the temperature of heat-carrying medium is higher than solution or melt temperature in the liquid storage tank 1, so through the chamber wall of liquid storage tank 1 heat in the heat-carrying medium is conducted in solution or the melt.Here the temperature of heat-carrying medium can be after reaching required temperature through external heat, to be loaded in this insulation easily, also can make cool-bag have heating function, the heat-carrying medium that is loaded in the inside is heated, thereby reach required temperature.Special, when this heat-carrying medium was liquid, the liquid level of this heat-carrying medium should be higher than solution or the melt liquid level in the liquid storage tank 1, can carry out integral body heating to solution in the liquid storage tank 1 or melt like this, make heat sooner, distribution more uniformly.
Further; For solution or melt temperature in the liquid storage tank 1 are evenly distributed; An agitator 10 can also be set on this bubble electrostatic spinning apparatus; Through stirring to solution or melt, the heat on the liquid storage tank chamber wall is evenly spread among the solution or melt in the whole liquid storage tank 1, further promote the quality stability that bubble electrostatic spinning apparatus of the present invention is done the nanofiber of making.
During apparatus of the present invention work; At first in liquid storage tank 1, add solution or melt, in heater 2, add the heat-carrying medium, such as hot water; The liquid level of hot water will be higher than the solution or the melt liquid level of liquid storage tank 1, and heater can make solution or melt thermally equivalent in the liquid storage tank 1; Open air pump 4, vacuole clocklike can appear in heated solution or bath surface; Open also electrostatic generator 3 of height then; Solution or melt internal freedom electric charge are polarized under the high-pressure electrostatic effect; Bubble top particularly, under proper condition, because the effect of electrostatic force; The bubble top will produce sprays the reception pole plate 8 that the thread directive links to each other with earth electrode 9, can obtain a large amount of nanofibers.
Second embodiment
See also Fig. 2, Fig. 2 is the structural representation of the bubble electrostatic spinning apparatus under the second embodiment of the invention.As shown in the figure, this bubble electrostatic spinning apparatus comprises liquid storage tank 1, HV generator 3, air pump 4, air jet pipe 5, wireway 6, metal electrode 7, receives pole plate 8, earth electrode 9, agitator 10, heat sensor 11 and heater 12 compositions.Be provided with air jet pipe 5 in the liquid storage tank 1, air jet pipe 5 links to each other with air pump 4 through wireway 6, and the nozzle of air jet pipe 5 should be lower than solution or melt liquid level in the liquid storage tank 1.Metal electrode 7 is located in the air jet pipe 5, and liquid storage tank 1 links to each other with HV generator 3 through metal electrode 7, and the liquid storage tank top is provided with the reception pole plate 8 that connects earth electrode 9.
In this embodiment, heater 12 is connected on the heat sensor 11 such as being heating wire, and heat sensor 11 can be the heat conductive medium of contact on liquid storage tank 1 chamber wall, also can be the chamber wall of liquid storage tank 1 itself.In the later case, at least one chamber wall of one of the sidepiece that this heater 12 can be through being connected liquid storage tank or bottom, heat conducted in solution or the melt in the liquid storage tank 1 go.
Further; For solution or melt temperature in the liquid storage tank 1 are evenly distributed; An agitator 10 can also be set on this bubble electrostatic spinning apparatus; Through stirring to solution or melt, the heat on the liquid storage tank chamber wall is evenly spread among the solution or melt in the whole liquid storage tank 1, further promote the quality stability that bubble electrostatic spinning apparatus of the present invention is done the nanofiber of making.
During apparatus of the present invention work, at first in liquid storage tank 1, add solution or melt, 12 energisings produce heat to heater, heat is conducted to solution or melt in the liquid storage tank 1 through heat sensor 11, and utilize agitator 10 to make solution or melt thermally equivalent; Open air pump 4, vacuole clocklike can appear in heated solution or bath surface; Open also electrostatic generator 3 of height then; Solution or melt internal freedom electric charge are polarized under the high-pressure electrostatic effect; Bubble top particularly, under proper condition, because the effect of electrostatic force; The bubble top will produce sprays the reception pole plate 8 that the thread directive links to each other with earth electrode 9, can obtain a large amount of nanofibers.
In sum; The present invention proposes a kind of bubble electrostatic spinning apparatus; This bubble electrostatic spinning apparatus has increased a heater on the chamber wall of liquid storage tank, can the chamber wall of liquid storage tank be heated, and solution or melt temperature in the liquid storage tank maintained on artificial control temperature required; Thereby reduce the fluctuation of the product quality that causes by variation of ambient temperature, promote operating efficiency.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. bubble electrostatic spinning apparatus; Comprise liquid storage tank, HV generator, air pump, air jet pipe, wireway, metal electrode, reception pole plate, earth electrode; Said liquid storage tank is the container that solution or melt are housed, and it is characterized in that: said bubble electrostatic equipment also comprises the heater that the chamber wall to liquid storage tank heats.
2. bubble electrostatic spinning apparatus as claimed in claim 1 is characterized in that: said heating is ccontaining to be cool-bag, and the heat-carrying medium is equipped with in the inside, and said liquid storage tank is located among this heat-carrying medium.
3. bubble electrostatic spinning apparatus as claimed in claim 2 is characterized in that: said heat-carrying medium is a liquid, and its temperature is higher than solution or the melt temperature in the said liquid storage tank.
4. bubble electrostatic spinning apparatus as claimed in claim 3 is characterized in that: the liquid level of said heat-carrying medium is higher than solution or the melt liquid level in the said liquid storage tank.
5. bubble electrostatic spinning apparatus as claimed in claim 1 is characterized in that: said heater is a heating wire, and this heating wire is connected at least one chamber wall of one of sidepiece or bottom of said liquid storage tank.
6. bubble electrostatic spinning apparatus as claimed in claim 1 is characterized in that: further comprise being used for the agitator that solution or melt to said liquid storage tank stir.
7. bubble electrostatic spinning apparatus as claimed in claim 1 is characterized in that: said air jet pipe is arranged among the solution or melt of said liquid storage tank, and the mouth of pipe of this air jet pipe is lower than the solution or the melt liquid level of said liquid storage tank.
8. bubble electrostatic spinning apparatus as claimed in claim 1 is characterized in that: said wireway connects said air pump and said air jet pipe.
9. bubble electrostatic spinning apparatus as claimed in claim 1 is characterized in that: said metal electrode is arranged in the said air jet pipe, and electrically connects with said HV generator.
10. bubble electrostatic spinning apparatus as claimed in claim 1 is characterized in that: said accept pole plate electrically connect with said earth electrode on, and and the solution of said liquid storage tank or melt between form electric field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101855506A CN102677197A (en) | 2012-06-07 | 2012-06-07 | Bubble electrostatic spinning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101855506A CN102677197A (en) | 2012-06-07 | 2012-06-07 | Bubble electrostatic spinning device |
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| CN102677197A true CN102677197A (en) | 2012-09-19 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314869A (en) * | 2008-05-30 | 2008-12-03 | 国家纳米科学中心 | Apparatus for preparing macromolecule nano-fibre and spinning method thereof |
| CN201195772Y (en) * | 2008-05-15 | 2009-02-18 | 东华大学 | Hubble-bubble spinning apparatus with temperature control apparatus |
| CN101634050A (en) * | 2009-08-20 | 2010-01-27 | 东华大学 | Air-injection electrostatic spinning device for preparing nano fiber portably |
| CN202626361U (en) * | 2012-06-07 | 2012-12-26 | 苏州大学 | Bubble electrostatic spinning device |
-
2012
- 2012-06-07 CN CN2012101855506A patent/CN102677197A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201195772Y (en) * | 2008-05-15 | 2009-02-18 | 东华大学 | Hubble-bubble spinning apparatus with temperature control apparatus |
| CN101314869A (en) * | 2008-05-30 | 2008-12-03 | 国家纳米科学中心 | Apparatus for preparing macromolecule nano-fibre and spinning method thereof |
| CN101634050A (en) * | 2009-08-20 | 2010-01-27 | 东华大学 | Air-injection electrostatic spinning device for preparing nano fiber portably |
| CN202626361U (en) * | 2012-06-07 | 2012-12-26 | 苏州大学 | Bubble electrostatic spinning device |
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Application publication date: 20120919 |