CN110373726B - Uniform dispersion air flow buffer mechanism applied to electrostatic spinning box - Google Patents
Uniform dispersion air flow buffer mechanism applied to electrostatic spinning box Download PDFInfo
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- CN110373726B CN110373726B CN201910566850.0A CN201910566850A CN110373726B CN 110373726 B CN110373726 B CN 110373726B CN 201910566850 A CN201910566850 A CN 201910566850A CN 110373726 B CN110373726 B CN 110373726B
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- electrostatic spinning
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- spinning box
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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
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
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- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention relates to a uniformly dispersed airflow buffer mechanism applied to an electrostatic spinning box, which comprises the electrostatic spinning box and a fan set, wherein the lower end of the electrostatic spinning box is provided with a plurality of ventilation openings and the fan set connected with the ventilation openings, a non-woven fabric, a plurality of layers of pore plates and a baffle plate are sequentially arranged in the electrostatic spinning box from top to bottom, and a baffle plate is arranged below the baffle plate and above each ventilation opening. The invention can obtain uniform and dispersed airflow, effectively reduce the flow velocity of the airflow in the electrostatic spinning box and avoid local difference of the temperature and the humidity of the airflow in the box.
Description
Technical Field
The invention relates to the technical field of electrostatic spinning devices, in particular to a uniformly-dispersed airflow buffer mechanism applied to an electrostatic spinning box body.
Background
As is well known, the electrospinning technique is a technique for mass production of submicron fibers. The submicron fibers produced by this process have many incomparable advantages. However, in the electrostatic spinning process, the stretching and movement tracks of the generated jet flow are greatly disturbed by the ambient temperature and humidity and the ambient air. Therefore, the uniform preparation of electrospun sub-micron fibers requires the maintenance of a relatively stable environment. Electrostatic spinning equipment for producing submicron fibers in large quantities usually needs a long spinning box, and at the moment, the temperature, the humidity and the air circulation in the box usually change along with the volatilization of an organic solvent and the movement of a collecting device, so that the problems of uneven deposition of the submicron fibers and difficult solvent volatilization are caused. The adhesion between fibers occurs, thereby affecting the quality of the submicron fibers.
Disclosure of Invention
The invention aims to solve the technical problems of reducing the wind speed in the situation of large ventilation quantity, ensuring that the deposition of submicron fibers is not influenced by the slow wind speed in the spinning box body and ensuring the temperature and humidity in the spinning box body to be stable.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a be applied to homodisperse air current buffer gear of electrostatic spinning box, including electrostatic spinning box and fan group, electrostatic spinning box lower extreme be provided with a plurality of vent and the fan group that links to each other with the vent, electrostatic spinning box inside from top to bottom install non-woven fabrics, multilayer orifice plate and baffling board in proper order, baffling board below the top of every vent all be provided with a fender and flow the board.
As a supplement to the technical scheme of the invention, the bottom of the electrostatic spinning manifold is hermetically connected with a vent, and the vent is connected with a fan set through a ventilation pipeline. The fan group is composed of a plurality of fans, each fan is connected with the ventilation opening, and the fan group is arranged at the bottom of the electrostatic spinning box body.
As a supplement to the technical scheme of the invention, the flow baffle is a metal plate, the thickness of the flow baffle is 5-10mm, the flow baffle is fixed at the lower end of the baffle through a bracket, and the flow baffle is not contacted with the inner wall of the electrostatic spinning box body. The stent may be a metal stent.
As a supplement to the technical scheme of the invention, the baffle plate is a plastic corrugated plate, the thickness of the baffle plate is 80-120mm, and the periphery of the baffle plate is hermetically connected with the inner wall of the electrostatic spinning box body.
As a supplement to the technical scheme of the invention, the distance between the center of the baffle plate and the baffle plate is 100-150 mm.
As a supplement to the technical scheme of the invention, the number of layers of the pore plate is 2-4.
As a supplement to the technical scheme of the invention, the orifice plate is a stainless steel plate, and the thickness of the orifice plate is 5-8 mm.
As a supplement to the technical scheme of the invention, a plurality of through holes are uniformly formed on the pore plate, the aperture of each through hole is 3-8mm, and the distance between every two layers of pore plates is 50-100 mm.
As a supplement to the technical scheme of the invention, the through holes of each layer of pore plate are staggered and not communicated with the through holes of the adjacent pore plate.
As a supplement to the technical scheme of the invention, the non-woven fabric is made of PVC material, and the thickness of the non-woven fabric is 3-5 mm.
Has the advantages that: the invention relates to a uniformly dispersed airflow buffer mechanism applied to an electrostatic spinning box.A fan is turned on to drive airflow to rotate, the airflow is conveyed into the electrostatic spinning box through a ventilating duct and a vent, the movement of the high-speed airflow is blocked when the high-speed airflow passes through a flow baffle and flows through a gap between the flow baffle and the inner wall of the box, and the air flow speed is slowed down; then, the air flows through the baffle plate in a laminar flow mode, so that the air flow speed and the air flow direction are consistent in height, and the direction is vertical to the upper side; then the air flows out from the holes of the multi-layer pore plate, the air flows to the non-woven fabric uniformly and slowly under the action of the multi-layer pore plate, the air flows through the fiber gaps which are arranged in disorder on the non-woven fabric, the wind speed is further slowed, and the air flows out of the non-woven fabric in weak wind. The invention can obtain uniform and dispersed airflow, effectively reduce the flow velocity of the airflow in the electrostatic spinning box and avoid local difference of the temperature and the humidity of the airflow in the box.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention in a front view;
fig. 2 is a schematic diagram of the internal structure of the present invention in the right view direction.
The figure is as follows: 1. the electrostatic spinning device comprises an electrostatic spinning box body, 2 parts of ventilation pipelines, 3 parts of ventilation openings, 4 parts of flow baffle plates, 5 parts of supports, 6 parts of baffle plates, 7 parts of pore plates, 8 parts of non-woven fabrics, 9 parts of fan sets, 10 parts of supporting legs.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
The embodiment of the invention relates to a uniformly dispersed airflow buffer mechanism applied to an electrostatic spinning box body, which comprises an electrostatic spinning box body 1 and a fan group 9, wherein the lower end of the electrostatic spinning box body 1 is provided with a plurality of ventilation openings 3 and the fan group 9 connected with the ventilation openings 3, a non-woven fabric 8, a plurality of layers of pore plates 7 and a baffle plate 6 are sequentially arranged in the electrostatic spinning box body 1 from top to bottom, and a baffle plate 4 is arranged below the baffle plate 6 and above each ventilation opening 3.
The bottom of the electrostatic spinning box body 1 is hermetically connected with a vent 3, and the vent 3 is connected with a fan set 9 through a ventilation pipeline 2. The fan set 9 is composed of a plurality of fans, each fan is connected with the air vent 3, and the fan set 9 is arranged at the bottom of the electrostatic spinning box body 1.
The flow baffle plate 4 is a metal plate, the thickness of the flow baffle plate 4 is 5-10mm, the flow baffle plate 4 is fixed at the lower end of the baffle plate 6 through a bracket 5, and the flow baffle plate 4 is not contacted with the inner wall of the electrostatic spinning box body 1. The support 5 may be a metal support.
The baffle plate 6 is a plastic corrugated plate, the thickness of the baffle plate 6 is 80-120mm, and the periphery of the baffle plate 6 is hermetically connected with the inner wall of the electrostatic spinning box body 1.
The distance between the center of the baffle plate 6 and the baffle plate 4 is 100mm and 150 mm.
The number of layers of the pore plate 7 is 2-4.
The orifice plate 7 is a stainless steel plate, and the thickness of the orifice plate 7 is 5-8 mm.
The pore plates 7 are uniformly provided with a plurality of through holes, the aperture of each through hole is 3-8mm, and the distance between every two layers of pore plates 7 is 50-100 mm.
The through holes of each layer of pore plate 7 are arranged in a staggered way and are not communicated with the through holes of the adjacent pore plate 7.
The non-woven fabric 8 is made of PVC materials, and the thickness of the non-woven fabric 8 is 3-5 mm.
The lower extreme both sides of electrostatic spinning manifold 1 all be provided with stabilizer blade 2, this stabilizer blade 2 is used for raising electrostatic spinning manifold 1.
Examples
Fig. 1 is a schematic view of the device of the present invention, and the fan rotates to send high-speed airflow into a ventilating duct 2, and the airflow enters an electrostatic spinning box 1 through a vent 3. The high-speed airflow firstly passes through the flow baffle 4, the movement is blocked when the high-speed airflow passes through the flow baffle 4, the high-speed airflow flows through a gap between the flow baffle 4 and the inner wall of the electrostatic spinning box body 1, then the high-speed airflow passes through the baffle 6, the airflow flows through a gap of the baffle 6, the flow direction of the airflow is changed through the baffle 6, and the airflow vertically flows upwards.
Then, the air flows through the plurality of layers of the pore plates 7 and flows through the pores of the plurality of layers of the pore plates 7, a uniform area is formed between every two adjacent layers of the pore plates 7, the air flows in the uniform area are mixed and then pass through the pore plate 7 on the upper layer, and the air flows through the pore plate 7 on the uppermost layer and flow to the thicker non-woven fabric 8.
The non-woven fabric 8 is a three-dimensional network formed by fibers and holes among the fibers, when airflow flows into the non-woven fabric 8, the non-woven fabric is firstly filled with gaps among fibers at the bottom layer, meanwhile, the airflow entering the non-woven fabric 8 pushes the airflow entering the non-woven fabric firstly to move upwards, the airflow is further dispersed and can play a role in slowing down the airflow, and a slow and weak airflow flowing outwards can be formed.
The previous description of the disclosure is provided to enable any person skilled in the art to make or use the disclosure. Various modifications to the disclosure will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other variations without departing from the spirit or scope of the disclosure. Thus, the disclosure is not intended to be limited to the examples and designs described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides a be applied to homodisperse air current buffer gear of electrostatic spinning box, includes electrostatic spinning box (1) and fan assembly (9), its characterized in that: electrostatic spinning box (1) lower extreme be provided with a plurality of vent (3) and with fan group (9) that vent (3) link to each other, electrostatic spinning box (1) inside from top to bottom install non-woven fabrics (8), multilayer orifice plate (7) and baffling board (6) in proper order, through baffling board (6) back air current vertical upflow, baffling board (6) below the top of every vent (3) all be provided with one and keep off and flow board (4), baffling board (6) be the plastics buckled plate, this baffling board (6) thickness is 80-120mm, baffling board (6) all around with electrostatic spinning box (1) inner wall sealing connection.
2. The uniform dispersion air flow buffer mechanism applied to the electrostatic spinning beam as claimed in claim 1, wherein: the bottom of the electrostatic spinning box body (1) is hermetically connected with a ventilation opening (3), and the ventilation opening (3) is connected with a fan set (9) through a ventilation pipeline (2).
3. The uniform dispersion air flow buffer mechanism applied to the electrostatic spinning beam as claimed in claim 1, wherein: the flow baffle plate (4) is a metal plate, the thickness of the flow baffle plate (4) is 5-10mm, the flow baffle plate (4) is fixed at the lower end of the baffle plate (6) through a support (5), and the flow baffle plate (4) is not in contact with the inner wall of the electrostatic spinning box body (1).
4. The uniform dispersion air flow buffer mechanism applied to the electrostatic spinning beam as claimed in claim 1, wherein: the distance between the center of the baffle plate (6) and the baffle plate (4) is 100mm and 150 mm.
5. The uniform dispersion air flow buffer mechanism applied to the electrostatic spinning beam as claimed in claim 1, wherein: the number of layers of the pore plate (7) is 2-4.
6. The uniform dispersion air flow buffer mechanism applied to the electrostatic spinning beam as claimed in claim 5, wherein: the pore plate (7) is a stainless steel plate, and the thickness of the pore plate (7) is 5-8 mm.
7. The uniform dispersion air flow buffer mechanism applied to the electrostatic spinning beam as claimed in claim 5, wherein: the pore plates (7) are uniformly provided with a plurality of through holes, the aperture of each through hole is 3-8mm, and the distance between every two layers of pore plates (7) is 50-100 mm.
8. The uniform dispersion air flow buffer mechanism applied to the electrostatic spinning beam as claimed in claim 7, wherein: the through holes of each layer of pore plate (7) are arranged in a staggered way and are not communicated with the through holes of the adjacent pore plate (7).
9. The uniform dispersion air flow buffer mechanism applied to the electrostatic spinning beam as claimed in claim 1, wherein: the non-woven fabric (8) is made of PVC material, and the thickness of the non-woven fabric (8) is 3-5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910566850.0A CN110373726B (en) | 2019-06-27 | 2019-06-27 | Uniform dispersion air flow buffer mechanism applied to electrostatic spinning box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910566850.0A CN110373726B (en) | 2019-06-27 | 2019-06-27 | Uniform dispersion air flow buffer mechanism applied to electrostatic spinning box |
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| CN110373726A CN110373726A (en) | 2019-10-25 |
| CN110373726B true CN110373726B (en) | 2021-07-02 |
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| CN110846725B (en) * | 2019-10-31 | 2020-08-25 | 东华大学 | Uniform and distributed airflow-assisted humidity regulation and control system for electrostatic spinning |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19652498A1 (en) * | 1996-01-04 | 1997-07-10 | Barmag Barmer Maschf | Heavy gauge synthetic filament spinning apparatus for even cooling |
| CN1583227A (en) * | 2004-06-08 | 2005-02-23 | 沈福昌 | Waste gas purifying and treating method and apparatus thereof |
| CN103265710A (en) * | 2013-05-20 | 2013-08-28 | 东华大学 | Micro/nano sphere preparation method |
| CN204939670U (en) * | 2015-09-18 | 2016-01-06 | 厦门大学 | Air-flow auxiliary electrostatic device for spinning |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6799957B2 (en) * | 2002-02-07 | 2004-10-05 | Nordson Corporation | Forming system for the manufacture of thermoplastic nonwoven webs and laminates |
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2019
- 2019-06-27 CN CN201910566850.0A patent/CN110373726B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19652498A1 (en) * | 1996-01-04 | 1997-07-10 | Barmag Barmer Maschf | Heavy gauge synthetic filament spinning apparatus for even cooling |
| CN1583227A (en) * | 2004-06-08 | 2005-02-23 | 沈福昌 | Waste gas purifying and treating method and apparatus thereof |
| CN103265710A (en) * | 2013-05-20 | 2013-08-28 | 东华大学 | Micro/nano sphere preparation method |
| CN204939670U (en) * | 2015-09-18 | 2016-01-06 | 厦门大学 | Air-flow auxiliary electrostatic device for spinning |
Non-Patent Citations (1)
| Title |
|---|
| 非织造结构复合材料及其应用;向阳;《产业用纺织品》;20061231(第5期);第1-9页 * |
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Effective date of registration: 20211124 Address after: 1882 Yan'an west road, Changning District, Shanghai Patentee after: DONGHUA University Patentee after: NARI Weikang (Shanghai) Technology Co., Ltd Address before: 201620 No. 2999 North Renmin Road, Songjiang new town, Songjiang District, Shanghai. Patentee before: DONGHUA University Patentee before: Nantong Dingyu Textile Machinery Technology Co., Ltd |
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