CN107557884B - Air-flow bubble jet prepares the device of nano particle - Google Patents
Air-flow bubble jet prepares the device of nano particle Download PDFInfo
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- CN107557884B CN107557884B CN201710743792.5A CN201710743792A CN107557884B CN 107557884 B CN107557884 B CN 107557884B CN 201710743792 A CN201710743792 A CN 201710743792A CN 107557884 B CN107557884 B CN 107557884B
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Abstract
The present invention relates to the device that a kind of air-flow bubble jet prepares nano particle, it includes the liquid storage tank for being loaded with solution or melt, the reception device that liquid storage tank side is arranged in, the bubble generator being arranged in liquid storage tank, the gas compressor connecting with bubble generator which, which prepares nanoparticular devices,；Compressed gas is supplied to bubble generator by gas compressor, bubble generator in liquid storage tank solution or melt sprayed to form nano particle because of the bubble that airflow function is formed, reception device collects the nano particle.This air-flow bubble jet prepares the device combination EFI principle of nano particle, by the inorganic matter under molten condition or meet the organic solution of critical condition in gaseous environment and spray for nano particle, it is received to the maximum extent using negative pressure, to realize method simple to operation and that the wide nano particle of range can be prepared.
Description
Technical field
The present invention relates to the devices that a kind of air-flow bubble jet prepares nano particle, belong to bubble and spin field.
Background technique
Nano particle, also known as nanometer dust, refer to the microscopic particles of nanometer scale.It is defined as at least in one dimension
Particle less than 100 nanometers, including organically inorganic nano particle, the nano particle including all soluble substances.Nanometer
Particle has important scientific research value, it has set up the bridge between bulk matter and atom, molecule, on nano-scale
It particle functional diversities and more and more is applied to.The method for preparing nano particle has very much, such as coprecipitation, alcohol one
The chemical methodes such as water law, oxidation-precipitation method, sol-gel method, high temperature pyrolysis reduction method, also there is mechanical attrition method, vacuum deposition
Equal physical methods.Magnetically controlled sputter method can also be used to prepare nano particle, but yield is lower.
EFI, i.e. electrostatic atomization exactly make droplet rupture into the process of droplet using electrostatic charge Coulomb force, are current
Prepare the effective means of nano particle.In this process, electrostatic force is in the atomization of two effect stepwises, first stage be
Liquid after spray orifice ejection, due to spray orifice shearing force and gas friction effect and it is broken formed it is spraying, second stage be
The spray droplet of ejection is entirely being sprayed in forming process, can be also broken into since secondary-atomizing occurs for the influence of various factors
Droplet.
Bubble electrostatic spinning technique is that the inspiration by spider spinning principle and inspiring creates, using bubble dynamics original
Reason, devises bubble electrostatic spinning device.During bubble Static Spinning, if not applying high voltage electric field, bubble only by table and
Tension force effect, size are determined by Air Bubble Size and bubble inside and outside differential pressure；Once load high voltage electric field, the charge in solution by
Electric field induction, moment is distributed in bubble surface, and when electric field strength reaches threshold value, the electric field force that bubble is subject to is enough to overcome bubble
Surface tension, bubble are stretched rupture, and electrified jet moment is spouting from bubble top；It is influenced by melt-spraying spinning, air-flow
The electrostatic spinning technique of auxiliary has obtained popularity, the collective effect of air-flow and electrostatic field, can be improved the spinnability of solution with
Production efficiency, the bubble under air-flow booster action is under the coupling with electrostatic field, it is easier to which the rupture that is stretched forms jet stream.
Summary of the invention
The purpose of the present invention is to provide the device that a kind of air-flow bubble jet prepares nano particle, the device combination EFI
Principle by the inorganic matter under molten condition or meets the organic solution of critical condition and sprays for nanometer in gaseous environment
Grain improves yield.
In order to achieve the above objectives, the invention provides the following technical scheme: a kind of air-flow bubble jet prepares nano particle
Device, which is characterized in that the air-flow bubble jet prepare nanoparticular devices include the liquid storage tank for being loaded with solution or melt,
The reception device of liquid storage tank side is set, the bubble generator being arranged in liquid storage tank, is connect with the bubble generator
Gas compressor；Compressed gas is supplied to the bubble generator, the bubble generator pair by the gas compressor
Solution or melt in the liquid storage tank are sprayed because of the bubble that airflow function is formed to form nano particle, the reception dress
It sets and collects the nano particle.
Further, the device that the air-flow bubble jet prepares nano particle is provided with reaction chamber, and the liquid storage tank connects
Receiving apparatus is arranged in the reaction chamber, and the reaction chamber is connected to feeder.
Further, the reaction chamber is connect with feeder by gas-guide tube, and the feeder is mentioned into reaction chamber
Supplied gas, the gas not in the liquid storage tank solution or melt chemically react.
Further, the device that the air-flow bubble jet prepares nano particle is additionally provided with solution or melt preparation vessel,
The solution or melt preparation vessel are connect by liquid supply pipe with the liquid storage tank.
Further, high temperature service is provided in the solution or melt preparation vessel.
Further, be provided with isolation board in the reaction chamber, the isolation board by reaction chamber be divided into first chamber and
Second chamber, the liquid storage tank, reception device are arranged in first chamber, and the solution or melt preparation vessel are arranged in the second chamber
Interior is provided with the opening for being connected to the first chamber with second chamber on the isolation board.
Further, negative pressure device is provided in the reaction chamber, the negative pressure device and the liquid storage tank are oppositely arranged
In the two sides of the reception device.
Further, the reaction chamber is closed, and the side of the reaction chamber is provided with gas regulation valve.
Further, the number of the liquid storage tank is greater than 1, and the bubble generator corresponds to the liquid storage tank setting.
Further, the device that the air-flow bubble jet prepares nano particle is additionally provided with electrostatic high-pressure device, described
One end of electrostatic high-pressure device is connect with bubble generator, and the other end is connect with reception device.
The beneficial effects of the present invention are: this air-flow bubble jet prepares the device combination EFI principle of nano particle,
By the inorganic matter under molten condition or meet the organic solution of critical condition in gaseous environment and spray for nano particle, utilizes
Negative pressure is received to the maximum extent, to realize method that is simple to operation and can preparing the wide nano particle of range.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the device that air-flow bubble jet of the present invention prepares nano particle.
Fig. 2 is structural representation of the device equipped with electrostatic high-pressure device that air-flow bubble jet of the present invention prepares nano particle
Figure.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
Referring to Figure 1, one air-flow bubble jet of a preferred embodiment of the invention prepares the device of nano particle, the air-flow
It includes the liquid storage tank 9 for being loaded with solution or melt, the reception that 9 side of liquid storage tank is arranged in that bubble jet, which prepares nanoparticular devices,
Device 6, the bubble generator 11 being arranged in liquid storage tank 9, the gas compressor 10 being connect with the bubble generator 11；Gas
Compressed gas is supplied to bubble generator 11 by compressor 10, and bubble generator 11 is to the solution or melt in liquid storage tank 9
Because the bubble that airflow function is formed is sprayed to form nano particle, the reception device 6 collects the nano particle.
The device that air-flow bubble jet prepares nano particle is provided with reaction chamber 12, and liquid storage tank 9, the setting of reception device 6 exist
In reaction chamber 12, reaction chamber 12 is connected to feeder 1.Reaction chamber 12 is connect with feeder 1 by gas-guide tube, feeder
1 provides gas into reaction chamber 12, the gas not in liquid storage tank 9 solution or melt chemically react.Reaction chamber 12 is
Closed, the side of reaction chamber 12 is provided with gas regulation valve 7, ensure that the gaseous environment in reaction chamber 12, so that entirely
Reaction process quality is guaranteed.Isolation board 8 is provided in reaction chamber 12, reaction chamber 12 is divided into first chamber by isolation board 8
(not labeled) and second chamber (not labeled), liquid storage tank 9, reception device 6 are arranged in first chamber, solution or melt preparation vessel
3 are arranged in second chamber, and it is partially stabilized to solution or melt preparation vessel 3 to solution evaporation and air-flow and negative pressure to avoid high temperature
Caused by negative influence.In the present embodiment, feeder 1 is connected to second chamber by gas-guide tube (not labeled), feeder 1
Gas is conveyed into reaction chamber 12 by gas-guide tube.The opening for being connected to first chamber with second chamber is provided on isolation board 8
(not labeled), the range of opening are 1~50cm, and allowing in entire environment has certain temperature, help speed up the volatilization of solvent.Instead
It answers and is provided with negative pressure device 5 in chamber 12, negative pressure device 5 and liquid storage tank 9 are oppositely arranged on the two sides of reception device 6, negative pressure device 5
The top of reception device 6 is set, and negative pressure device 5 generates negative pressure in the top of reception device 6, so that the nano particle of preparation is more
Good is collected into reception device 6.
The number of liquid storage tank 9 is not less than 1, and the number of bubble generator 11 corresponds to the number setting of liquid storage tank 9, Mei Geqi
Steep the corresponding liquid storage tank 9 of generator 11.In the present embodiment, the number of liquid storage tank 9 is 1, corresponding bubble generator 11
It is also 1 with gas compressor 10.Really, in other embodiments, the number of liquid storage tank 9 can be multiple, corresponding bubble
Generator 11 also changes therewith, but gas compressor 10 can be 1, be arranged on the gas-guide tube connecting with gas compressor 10
There are multiple branches, leads to corresponding bubble generator 11 and liquid storage tank 9 respectively.In other embodiments, gas compressor 10
Can be to be multiple, quantity changes with the variation of the quantity of liquid storage tank 9 and bubble generator 11.In the present embodiment, liquid storage tank 9
Material be ceramic crucible.But in other examples, the material of liquid storage tank 9 may be the materials such as plastics or unorganic glass
Matter.
The device that air-flow bubble jet prepares nano particle is additionally provided with solution or melt preparation vessel 3, solution or melt system
Standby slot 3 is connect by liquid supply pipe 2 with liquid storage tank 9.High temperature service 4 is provided in solution or melt preparation vessel 3.High temperature service 4
Temperature regulating range is greater than 0 and less than 5000 DEG C.Because melt or solution are that inorganic matter under molten condition or organic matter are molten
Liquid needs high temperature service 4 to be adjusted and control the state of raw material, allow in this way preparation nanoparticle range increase and
Yield is higher, and whole device is easily controllable.
In the present embodiment, feeder 1 is connect with reaction chamber 12, and bubble generator 11 connect and is arranged with gas-guide tube
In the bottom of liquid storage tank 9, such liquid storage tank 9 will not occur to flow backwards phenomenon.Feeder 1 is inert gas air feed bottle, this implementation
In example, inert gas is helium.
Air-flow bubble jet of the present invention prepares the working principle of the device of nano particle are as follows: firstly, opening gas control valve
Door 7 and helium air feed bottle 1 make the helium in helium air feed bottle 1 full of entire reaction chamber 12, are then shut off gas regulation valve 7.
Then gas in the direct compressed air of helium compressor 10 conveys gas into bubble generator 11 by gas-guide tube.It sets again
The temperature for setting high temperature service 4 is 1200 DEG C, at this temperature, so that the inorganic copper object in melt preparation vessel 3 reaches molten condition,
Isolation board 8 is passed through by liquid supply pipe 2 to import melt in liquid storage tank 9；At this moment helium compressor 10 is adjusted, first little airflow shelves are in gas
It steeps and forms bubble at generator 11, then adjust big air-flow shelves to bubble formation jet-action；Finally, in the auxiliary of negative pressure device 5
The nano particle of formation is collected in reception device 6 under effect.
Figure two is referred to, the present embodiment two and the difference of above-described embodiment one are, the air-flow bubble spray in the present embodiment
It penetrates and prepares the device of nano particle and be provided with electrostatic high-pressure device 13, during nano particle is collected in preparation, by electrostatic
The applied force of electrostatic field of high-pressure installation 13 carries out assisted collection.
In summary: this air-flow bubble jet prepares the device combination EFI principle of nano particle, will in gaseous environment
Inorganic matter under molten condition or the organic solution injection for meeting critical condition are nano particle, to greatest extent using negative pressure
Ground is received, to realize method that is simple to operation and can preparing the wide nano particle of range.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. the device that a kind of air-flow bubble jet prepares nano particle, which is characterized in that the air-flow bubble jet prepares nanometer
Particle device includes the liquid storage tank for being loaded with solution or melt, the reception device that liquid storage tank side is arranged in, is arranged in liquid storage tank
Interior bubble generator, the gas compressor being connect with the bubble generator；The gas compressor is by compressed gas
Be supplied to the bubble generator, the bubble generator in the liquid storage tank solution or melt formed because of airflow function
Bubble is sprayed to form nano particle, and the reception device collects the nano particle.
2. the device that air-flow bubble jet as described in claim 1 prepares nano particle, which is characterized in that the air-flow bubble
The device that injection prepares nano particle is provided with reaction chamber, and the liquid storage tank, reception device are arranged in the reaction chamber, described
Reaction chamber is connected to feeder.
3. the device that air-flow bubble jet as claimed in claim 2 prepares nano particle, which is characterized in that the reaction chamber with
Feeder is connected by gas-guide tube, and the feeder provides gas into reaction chamber, the gas not with the liquid storage tank
Interior solution or melt chemically reacts.
4. the device that air-flow bubble jet as claimed in claim 3 prepares nano particle, which is characterized in that the air-flow bubble
The device that injection prepares nano particle is additionally provided with solution or melt preparation vessel, and the solution or melt preparation vessel pass through liquid supply pipe
It is connect with the liquid storage tank.
5. the device that air-flow bubble jet as claimed in claim 4 prepares nano particle, which is characterized in that the solution is molten
High temperature service is provided in body preparation vessel.
6. the device that air-flow bubble jet as claimed in claim 4 prepares nano particle, which is characterized in that in the reaction chamber
It is provided with isolation board, reaction chamber is divided into first chamber and second chamber by the isolation board, and the liquid storage tank, reception device are set
It sets in first chamber, the solution or melt preparation vessel are arranged in second chamber, are provided with described in making on the isolation board
The opening that first chamber is connected to second chamber.
7. the device that air-flow bubble jet as claimed in claim 2 prepares nano particle, which is characterized in that in the reaction chamber
It is provided with negative pressure device, the negative pressure device and the liquid storage tank are oppositely arranged on the two sides of the reception device.
8. the device that air-flow bubble jet as claimed in claim 2 prepares nano particle, which is characterized in that the reaction chamber is
Closed, the side of the reaction chamber is provided with gas regulation valve.
9. the device that air-flow bubble jet as described in claim 1 prepares nano particle, which is characterized in that the liquid storage tank
Number is greater than 1, and the bubble generator corresponds to the liquid storage tank setting.
10. the air-flow bubble jet as described in any one of claim 1 to 9 prepares the device of nano particle, feature
It is, the device that the air-flow bubble jet prepares nano particle is additionally provided with electrostatic high-pressure device, the electrostatic high-pressure device
One end connect with bubble generator, the other end is connect with reception device.
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| CN201710743792.5A CN107557884B (en) | 2017-08-25 | 2017-08-25 | Air-flow bubble jet prepares the device of nano particle |
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| CN107557884B true CN107557884B (en) | 2019-09-27 |
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| CN111267336B (en) * | 2020-01-23 | 2022-03-29 | 厦门翔澧工业设计有限公司 | 3D electrostatic spinning method and equipment thereof |
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| CN105086454A (en) * | 2015-09-16 | 2015-11-25 | 苏州大学 | High-temperature resistance polyether sulfone nano-porous microspheres and preparation method thereof |
| CN205329216U (en) * | 2015-12-22 | 2016-06-22 | 苏州大学 | Preparation millimicron compound fiber's bubble spinning equipment |
| CN205368559U (en) * | 2015-12-22 | 2016-07-06 | 苏州大学 | Preparation nanometer porous fiber's bubble spinning equipment |
| CN206109605U (en) * | 2016-04-22 | 2017-04-19 | 苏州大学 | Preparation magnetic order nanocomposite's air current bubble spinning device |
| MX2015015215A (en) * | 2015-10-30 | 2017-05-01 | Univ Autonoma De Nuevo Leon | Bubble electrospinning system and method with high speed flow for the nanofiber production. |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI365102B (en) * | 2008-05-05 | 2012-06-01 | Ind Tech Res Inst | Nanofiber filter and method for manufacturing the same |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105086454A (en) * | 2015-09-16 | 2015-11-25 | 苏州大学 | High-temperature resistance polyether sulfone nano-porous microspheres and preparation method thereof |
| MX2015015215A (en) * | 2015-10-30 | 2017-05-01 | Univ Autonoma De Nuevo Leon | Bubble electrospinning system and method with high speed flow for the nanofiber production. |
| CN205329216U (en) * | 2015-12-22 | 2016-06-22 | 苏州大学 | Preparation millimicron compound fiber's bubble spinning equipment |
| CN205368559U (en) * | 2015-12-22 | 2016-07-06 | 苏州大学 | Preparation nanometer porous fiber's bubble spinning equipment |
| CN206109605U (en) * | 2016-04-22 | 2017-04-19 | 苏州大学 | Preparation magnetic order nanocomposite's air current bubble spinning device |
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