CN102268746A - Device for controlling ambient temperature during electrospinning - Google Patents
Device for controlling ambient temperature during electrospinning Download PDFInfo
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- CN102268746A CN102268746A CN2011101951091A CN201110195109A CN102268746A CN 102268746 A CN102268746 A CN 102268746A CN 2011101951091 A CN2011101951091 A CN 2011101951091A CN 201110195109 A CN201110195109 A CN 201110195109A CN 102268746 A CN102268746 A CN 102268746A
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- 238000001523 electrospinning Methods 0.000 title abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 92
- 238000010041 electrostatic spinning Methods 0.000 claims description 71
- 230000001276 controlling effect Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 22
- 238000009826 distribution Methods 0.000 abstract description 16
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 description 18
- 238000005516 engineering process Methods 0.000 description 7
- 239000000155 melt Substances 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 238000009987 spinning Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 239000002121 nanofiber Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000935 solvent evaporation Methods 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
本发明公开了一种静电纺丝的环境温度控制装置，主要包括电路控制装置、加热器、静电纺丝箱、加热器距离调节装置，加热器安装于加热器距离调节装置上，加热器距离调节装置与静电纺丝箱连接，静电纺丝箱将加热器和加热器距离调节装置包围成一个封闭空间，电路控制装置安装于静电纺丝箱之外的控制柜中，加热器分为多层，每一层有一个加热圈，加热圈由多个小加热单元组成，每一个小加热单元由电路控制装置控制，电路控制装置的主要部件是PLC可编程控制器或PID控制器。本发明装置中，通过控制每一层加热圈之间的距离和位置以及控制构成每层加热圈的每个小加热单元的工作状态，实现了静电纺丝箱内的不同的环境温度分布形式，适应了不同静电纺丝工艺的需求。
The invention discloses an environmental temperature control device for electrospinning, which mainly includes a circuit control device, a heater, an electrospinning box, and a heater distance adjustment device. The heater is installed on the heater distance adjustment device, and the heater distance adjustment The device is connected with the electrospinning box, which surrounds the heater and the heater distance adjustment device into a closed space. The circuit control device is installed in the control cabinet outside the electrospinning box. The heater is divided into multiple layers. Each layer has a heating coil, and the heating coil is composed of multiple small heating units, and each small heating unit is controlled by a circuit control device, and the main part of the circuit control device is a PLC programmable controller or a PID controller. In the device of the present invention, by controlling the distance and position between each layer of heating rings and controlling the working state of each small heating unit constituting each layer of heating rings, different ambient temperature distribution forms in the electrospinning box are realized. Adapted to the needs of different electrospinning processes.
Description
Technical field
The present invention relates to the environment temperature control device that a kind of novel electrostatic spin processes prepares superfine fibre, belong to the electrostatic spinning field.
Background technology
Electrostatic spinning claims electrospinning again, is the earliest to propose in one piece of patent of the nineteen thirty U.S., formally is defined as electrostatic spinning technique in 1993.The continuous intensification of nanometer technology in recent years, electrostatic spinning technique also becomes one of research field of being paid close attention to most at present, along with deepening continuously of electrostatic spinning technique research, there have been tens kinds of polymer successfully to prepare superfine fibre at present by electrostatic spinning technique, 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 be, under the effect of polymer solution or melt electric field force in the high-voltage electrostatic field, fly to receiving system from the terminal jet that forms capillaceous, jet produces high elongation in the process that arrives receiving system, fiber attenuates, solvent evaporation or melt in the solution solidifies simultaneously, and last fiber laydown is on receiving system.Method of electrostatic spinning is widely used, and from industrial synthetic polymer to cellulose, various raw materials such as ossein, protein, dna complex can both carry out spinning, can also add antibiotics, nano particle etc. and prepare various functional materials in spinning process.
At present, because the melt electrostatic spinning device relative complex, the diameter of spinning fibre is thicker relatively, and the control difficulty is big, so concentrate on the solution electrostatic spinning about the research major part of electrostatic spinning at present.But because a series of problems that the solution electrostatic spinning technique exists, the environmental issue that causes as solvent evaporates, use solvent and cause in the low problem of safety problem, fiber surface quality problems and the cost high yield used aspect the biological medicine etc., so melt electrostatic spinning more is hopeful to realize the industrialized application of electrostatic spinning technique.Melt electrostatic spinning will realize that the preparation of nano-scale fiber also needs to solve a lot of problems, and wherein environment temperature influences fiber quality important factor in order in the melt electrostatic spinning process exactly.In research melt electrostatic spinning process, can confirm the influence that different environment temperature distribution modes prepares fiber quality to melt electrostatic spinning, can further promote the fast development of melt electrostatic spinning technology.
Summary of the invention
The present invention proposes a kind of melt electrostatic spinning device environment temperature control device, to realize in the melt electrostatic spinning process control to environment temperature, regulation and control by Circuits System simultaneously can realize varying environment Temperature Distribution mode, can be implemented in the research melt electrostatic spinning process, determine the influence of environment temperature, promote further developing and the melt electrostatic spinning Industrial Application of Technology of melt electrostatic spinning technology the fiber quality of electrostatic spinning.
For achieving the above object, a kind of melt electrostatic spinning device environment temperature control device is proposed, this device mainly comprises: circuit control device, heater, electrostatic spinning case, heater distance adjusting means, heater is installed on the heater distance adjusting means, the heater distance adjusting means is connected with the electrostatic spinning case, the electrostatic spinning case is surrounded as an enclosure space with heater and heater distance adjusting means, and circuit control device is installed on the control that realizes in the switch board outside the electrostatic spinning case heater.
The present invention proposes a kind of melt electrostatic spinning device environment temperature control device.Wherein heater is a resistance type heater, and whole heater is divided into multilayer, and each layer has a heating collar, and heating collar is made up of a plurality of little heating units.Air in the course of work in the heater heating manifold, with air heat to the temperature of setting to carry out the electrostatic spinning under the varying environment temperature.The electrostatic spinning process is carried out in the electrostatic spinning case, and in the electrostatic spinning case, the heater distance adjusting means is according to the distance and the height of interelectrode each layered heating of distance adjustment in the electrostatic spinning process, to realize satisfying the Temperature Distribution of electrostatic spinning requirement.The heating collar of each layer is made up of a plurality of little heating units, determine the duty of each little heating unit in the heating collar in the electrostatic spinning process according to parameter of materials and technological parameter, duty variation by each little heating unit has formed different environment temperature distributions, realizes different heating power and Temperature Distribution.The duty of each little heating unit is realized by circuit control device, the critical piece of circuit control device is PLC Programmable Logic Controller or PID controller, according to the parameter of actual electrostatic spinning needs setting controller, control the different environment temperature distribution of duty realization of each heating unit of heating collar again by controller in the electrostatic spinning process.The application of electrostatic spinning environment temperature control device can realize notch cuttype environment temperature distribution in the electrostatic spinning case, the distribution of isotypy environment temperature, the distribution of chiasma type environment temperature etc., has improved the influence of environment temperature to the fiber quality of electrostatic spinning.
A kind of melt electrostatic spinning device environment temperature of the present invention control device, heater wherein can adopt the wire coil heater, also can adopt quartz heater, can realize the mode of heating that air in the electrostatic spinning case heats be may be used in this device.The shape of each layer heating collar also can adopt multiple shapes such as circle, rectangle or regular polygon.
A kind of melt electrostatic spinning device environment temperature of the present invention control device, heater wherein can adopt the heating power value control mode that can not regulate continuously, and promptly the little heating unit by controlling different numbers opens and close the heating that two states is realized different heating power shelves.Heater also can adopt the heating power value control mode that can regulate continuously, and promptly the power of regulating all little heating units by the size of control circuit analog quantity is realized the heating of different heating power.
A kind of melt electrostatic spinning device environment temperature of the present invention control device, by the duty of controlling distance and the position between each layer heating collar and controlling each little heating unit of every layer of heating collar of formation, realize the different environment temperature distribution form in the electrostatic spinning case, adapted to the demand of different electrostatic spinning process.Use this device can be determined by experiment environment temperature around the fiber in the electrostatic spinning process,, improve the quality of fiber of preparation simultaneously by the intrastitial stress in the temperature change fiber deposition process that controls environment to the influence of the fiber quality of preparation.In a word, the application of this device in electrostatic spinning apparatus can promote the development of melt electrostatic spinning technology, has important impetus to realizing the melt electrostatic spinning Industrial Application of Technology.
Description of drawings
Fig. 1 is a kind of melt electrostatic spinning device environment temperature of the present invention control device overall structure schematic diagram.
Fig. 2 is a kind of melt electrostatic spinning device environment temperature of the present invention control device heating collar structural representation.
Fig. 3 is the another kind of heating collar structural representation of a kind of melt electrostatic spinning device environment temperature of the present invention control device.
Among the figure: 1-electrostatic spinning case, 2-heater distance adjusting means, 3-heater, 4-circuit controller, 5-nozzle, the 6-dash receiver, the last heating collar of 7-, 8-support, the little heating unit of 9-, 10-heating unit group one, 11-heating unit group two, heating collar among the 12-, heating collar under the 13-.
The specific embodiment
The present invention proposes a kind of melt electrostatic spinning device environment temperature control device.As shown in Figure 1, this device comprises electrostatic spinning case 1, heater distance adjusting means 2, heater 3, circuit control device 4.Material to dash receiver 6 motions, is collected the fiber of preparation from nozzle 5 ejection backs in the electrostatic spinning process on dash receiver 6.The space that centers on through heater 3 in the material movement process is in the environment space that is subjected to heater 3 heating.Heater 3 is independently to be gone up heating collar 7, middle heating collar 12, descended heating collar 13 to constitute by multilayer, last heating collar 7, middle heating collar 12, following heating collar 13 are installed on the heater distance adjusting means 2, by distance and the residing height that heater distance adjusting means 2 is regulated between them, realize that the different environment temperature of vertical direction distributes.Heater distance adjusting means 2 is installed in the electrostatic spinning case 1.The circular configuration that the structure of last heating collar 7 is formed with 8 little heating units is an example, as shown in Figure 2, last heating collar 7 is made up of 8 little heating units 9,8 little heating units 9 are divided into two groups and arrange at interval, form heating unit group 1 and heating unit group 2 11, little heating unit 9 in each heating unit group is connected in series, circular by support 8 support and connection, when circuit controller 4 controls are only switched on to heating unit group 1 is the heating of low-power shelves, is the heating of high power shelves when circuit controller 4 is controlled simultaneously to heating unit group 1 and 2 11 energisings of heating unit group.So can design the heating that the structure that goes up heating collar 7 realizes the different capacity shelves according to the heating needs, for the structure that reduces heater 3 heating collar 12 in the influence of circumferential temperature difference can make as shown in Figure 3, its structure and last heating collar 7 are identical to rotate to an angle around the center, the number of plies of heating collar can be adjusted as required in the heater 3, and goes up heating collar 7 and middle heating collar 12 is alternately arranged.The Temperature Distribution mode of 3 pairs of vertical directions of heater goes up heating collar 7, middle heating collar 12, the heating power of following heating collar 13 and the control of on off state by 4 pairs of circuit controllers and realizes, can control heating collar 7, middle heating collar 12 when for example needing to test notch cuttype Temperature Distribution on the vertical direction, the heating power of heating collar 13 is the ladder pattern distribution that ladder pattern distribution realizes environment temperature down, similarly, can realize multiple environment temperature distribution form.
Claims (5)
1. the environment temperature control device of an electrostatic spinning, it is characterized in that: mainly comprise circuit control device, heater, the electrostatic spinning case, the heater distance adjusting means, heater is installed on the heater distance adjusting means, the heater distance adjusting means is connected with the electrostatic spinning case, the electrostatic spinning case is surrounded as an enclosure space with heater and heater distance adjusting means, circuit control device is installed in the switch board outside the electrostatic spinning case, heater is divided into multilayer, each layer has a heating collar, heating collar is made up of a plurality of little heating units, the duty of each little heating unit is realized that by circuit control device the critical piece of circuit control device is PLC Programmable Logic Controller or PID controller.
2. the environment temperature control device of a kind of electrostatic spinning according to claim 1, it is characterized in that: heater is a resistance type heater.
3. the environment temperature control device of a kind of electrostatic spinning according to claim 1 is characterized in that: shape employing circle, rectangle or the regular polygon of each layer heating collar.
4. the environment temperature control device of a kind of electrostatic spinning according to claim 1, it is characterized in that: heater adopts the heating power value control mode that can not regulate continuously, the little heating unit by controlling different numbers open and close the heating that two states is realized different heating power shelves; Or adopting the heating power value control mode that can regulate continuously, the power of regulating all little heating units by the size of control circuit analog quantity is realized the heating of different heating power.
5. the environment temperature control device of a kind of electrostatic spinning according to claim 1, it is characterized in that: heater is wire coil heater or quartz heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101951091A CN102268746A (en) | 2011-07-12 | 2011-07-12 | Device for controlling ambient temperature during electrospinning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101951091A CN102268746A (en) | 2011-07-12 | 2011-07-12 | Device for controlling ambient temperature during electrospinning |
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| CN102268746A true CN102268746A (en) | 2011-12-07 |
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| CN2011101951091A Pending CN102268746A (en) | 2011-07-12 | 2011-07-12 | Device for controlling ambient temperature during electrospinning |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102719907A (en) * | 2012-07-16 | 2012-10-10 | 苏州大学 | Electrostatic spinning device |
| CN103194807A (en) * | 2013-04-26 | 2013-07-10 | 苏州大学 | Electrostatic spinning device capable of adjusting spinning temperature and humidity |
| CN104818537A (en) * | 2015-05-27 | 2015-08-05 | 西安工程大学 | Rotary type double needle electrostatic spinning device and method for utilizing rotary type double needle electrostatic spinning device to prepare uniform nanofiber membrane |
| CN105525366A (en) * | 2016-01-27 | 2016-04-27 | 昆山同日精密测试设备有限公司 | Electrostatic spinning equipment for preparation of nanofibers |
| CN108823652A (en) * | 2018-07-16 | 2018-11-16 | 绍兴百慧科技有限公司 | A kind of melt electrostatic spinning device |
| CN110373724A (en) * | 2018-04-12 | 2019-10-25 | 中国科学院城市环境研究所 | A kind of screw rod slide post plug ladder temperature control melting electrostatic spinning equipment |
| CN112323150A (en) * | 2020-09-17 | 2021-02-05 | 浙江理工大学 | A physicochemical synergistic electrospinning equipment with controllable environmental parameters |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4880961A (en) * | 1988-03-02 | 1989-11-14 | E. I. Du Pont De Nemours And Company | Apparatus for heating yarn |
| CN1190680A (en) * | 1997-01-20 | 1998-08-19 | 巴马格股份公司 | Filament-guiding roller for leading and heating run articial filament |
| CN101033559A (en) * | 2006-03-06 | 2007-09-12 | 东华大学 | Gas layer propulsion electrostatic spinning apparatus and industrial application thereof |
| CN101812734A (en) * | 2009-02-25 | 2010-08-25 | 北京化工大学 | Device for producing composite fibers through melt-electrospinning |
| CN201605357U (en) * | 2009-11-13 | 2010-10-13 | 杭州益邦氨纶有限公司 | Spinning channel for producing spandex |
-
2011
- 2011-07-12 CN CN2011101951091A patent/CN102268746A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4880961A (en) * | 1988-03-02 | 1989-11-14 | E. I. Du Pont De Nemours And Company | Apparatus for heating yarn |
| CN1190680A (en) * | 1997-01-20 | 1998-08-19 | 巴马格股份公司 | Filament-guiding roller for leading and heating run articial filament |
| CN101033559A (en) * | 2006-03-06 | 2007-09-12 | 东华大学 | Gas layer propulsion electrostatic spinning apparatus and industrial application thereof |
| CN101812734A (en) * | 2009-02-25 | 2010-08-25 | 北京化工大学 | Device for producing composite fibers through melt-electrospinning |
| CN201605357U (en) * | 2009-11-13 | 2010-10-13 | 杭州益邦氨纶有限公司 | Spinning channel for producing spandex |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102719907A (en) * | 2012-07-16 | 2012-10-10 | 苏州大学 | Electrostatic spinning device |
| CN102719907B (en) * | 2012-07-16 | 2014-10-22 | 苏州大学 | Electrostatic spinning device |
| CN103194807A (en) * | 2013-04-26 | 2013-07-10 | 苏州大学 | Electrostatic spinning device capable of adjusting spinning temperature and humidity |
| CN104818537A (en) * | 2015-05-27 | 2015-08-05 | 西安工程大学 | Rotary type double needle electrostatic spinning device and method for utilizing rotary type double needle electrostatic spinning device to prepare uniform nanofiber membrane |
| CN104818537B (en) * | 2015-05-27 | 2017-03-15 | 西安工程大学 | Rotary double needle electrostatic spinning apparatus and its prepare even fiber film method |
| CN105525366A (en) * | 2016-01-27 | 2016-04-27 | 昆山同日精密测试设备有限公司 | Electrostatic spinning equipment for preparation of nanofibers |
| CN105525366B (en) * | 2016-01-27 | 2018-02-09 | 上海同芮投资管理有限公司 | A kind of electrospinning device for preparing nanofiber |
| CN110373724A (en) * | 2018-04-12 | 2019-10-25 | 中国科学院城市环境研究所 | A kind of screw rod slide post plug ladder temperature control melting electrostatic spinning equipment |
| CN108823652A (en) * | 2018-07-16 | 2018-11-16 | 绍兴百慧科技有限公司 | A kind of melt electrostatic spinning device |
| CN108823652B (en) * | 2018-07-16 | 2020-08-14 | 安徽东蒙环保科技有限公司 | Melt electrostatic spinning device |
| CN112323150A (en) * | 2020-09-17 | 2021-02-05 | 浙江理工大学 | A physicochemical synergistic electrospinning equipment with controllable environmental parameters |
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