CN107354522A - A kind of non-contact heating centrifugation electrostatic spinning apparatus - Google Patents
A kind of non-contact heating centrifugation electrostatic spinning apparatus Download PDFInfo
- Publication number
- CN107354522A CN107354522A CN201710720273.7A CN201710720273A CN107354522A CN 107354522 A CN107354522 A CN 107354522A CN 201710720273 A CN201710720273 A CN 201710720273A CN 107354522 A CN107354522 A CN 107354522A
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- Prior art keywords
- spinning
- component
- throwing disc
- contact heating
- electrostatic
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 57
- 238000010041 electrostatic spinning Methods 0.000 title claims abstract description 32
- 238000005119 centrifugation Methods 0.000 title claims abstract description 22
- 238000009987 spinning Methods 0.000 claims abstract description 72
- 238000009423 ventilation Methods 0.000 claims description 23
- 239000000289 melt material Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000003137 locomotive effect Effects 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 230000005674 electromagnetic induction Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 238000005549 size reduction Methods 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 125000001475 halogen functional group Chemical group 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 13
- 238000005516 engineering process Methods 0.000 abstract description 6
- 239000000835 fiber Substances 0.000 description 17
- 230000000694 effects Effects 0.000 description 6
- 239000002121 nanofiber Substances 0.000 description 5
- 239000011343 solid material Substances 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000002153 concerted effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000005686 electrostatic field Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 1
- 238000001523 electrospinning Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The present invention proposes a kind of non-contact heating centrifugation electrostatic spinning apparatus.Apparatus of the present invention take non-contact mode of heating, and centrifugal spinning technology and electrostatic spinning technique are combined, it is possible to achieve melt spun electrostatic spinning technique.The spinning yield of apparatus of the present invention is 10 kg/h, and extruder, gear pump etc. that can be by changing different model adjust spinning yield.The present invention has the advantages that spinning efficiency height, spinning easily collecting, yield are adjustable.
Description
Technical field
The present invention relates to a kind of non-contact heating centrifugation electrostatic spinning apparatus, belong to mechanical design field.
Background technology
Because nanofiber has high-specific surface area, high porosity, low-density, excellent ductility, is easy to same nano-scale activity
The excellent physicochemical characteristics such as material combination, make its break through traditional spinning application, to biological medicine, support load, high efficiency filter, electricity
The frontier such as pond barrier film and organizational project is extended, therefore how to prepare the nanometer with excellent properties low-cost high-efficiency
Fiber is into the important need of social development and the research direction of numerous researchers.
Electrostatic spinning be it is a kind of directly prepare the method for nanofiber, but be typically only capable to the relatively simple nothing of enough preparation structures
Spinning nano fibre, spinning efficiency is very low, and the operating voltage required for electrospinning process is general also higher, operates
Dangerous come the safety wind that has very big, these shortcomings hinder the industrialized process of electrostatic spinning.The production of centrifugal spinning technology is fine
Although the efficiency of dimension is higher than electrostatic spinning a lot, the fibre diameter that it is prepared is thicker, does not reach nanoscale much also
Not, and prepared fiber diameter difference it is bigger, have impact on the popularization of centrifugal spinning and the application of fiber.
It is a kind of novel spinning method for being combined centrifugal spinning and electrostatic spinning to centrifuge electrostatic spinning technique, in spinning
During, have two kinds of power of centrifugal force and electrostatic force while act on liquid jet, when centrifugal force and electrostatic force make a concerted effort it is big
In liquid jet surface tension and viscosity resistance make a concerted effort when, liquid jet will be stretched sufficiently it is elongated attenuate, so as to make
It is standby go out the superfine fibre with premium properties.This new technology not only overcomes prepares some scarce of nanofiber by single method
Point, and ideally by both the advantages of be combined togather.The appearance of centrifugation electrostatic spinning technique not only increases spinning effect
Rate, and its fibrous mechanical property prepared is excellent, applies also for plurality of raw materials.The appearance of centrifugation electrostatic spinning technique makes nanometer
The development of fiber steps a stage again, makes it possible the large-scale industrialized production of nanofiber.Therefore, conceive and design
Go out to be applied to the centrifugation electrostatic spinning apparatus of industrialized production just into the direction and goal of numerous researchers research.
The content of the invention
The purpose of the present invention is a kind of non-contact heating centrifugation electrostatic spinning apparatus of design, realizes that material is non-with heating element
Contact, and centrifugal spinning technology is combined together with electrostatic spinning technique, the yield for preparing fiber is reached 10 kg/
h。
The present invention proposes a kind of non-contact heating centrifugation electrostatic spinning apparatus, the device mainly include supporting plate, support,
Metallic plate, draught ring bracket component, draught ring, ventilation duct, electrostatic collection coil assembly, non-contact heating component, spinning throwing disc group
Part, angular contact ball bearing, charging axle, wireless temperature measuring device, gear-driven assembly, coupling assembly, 90 ° of bend pipes, ventilation blower, realities
Heart rotating shaft, high-speed electric expreess locomotive, semicircle baffle ring, heat-insulation layer, sealing ring, gear pump, extruder, servomotor, high pressure generator.
Servomotor is connected with extruder in a kind of non-contact heating centrifugation electrostatic spinning apparatus of the invention, extruder and tooth
Wheel pump is connected, and gear pump is connected with 90 ° of bend pipes, is heat-insulation layer outside 90 ° of bend pipes, 90 ° of bend pipes are further through sealing ring and charging axle
Connection, charging axle are connected by the thread segment on top with spinning throwing disc component, and spinning throwing disc component passes through thermometric insertion tube thereon
It is connected with wireless temperature measuring device.High-speed electric expreess locomotive passes through coupling assembly, solid spindle, gear-driven assembly and charging axis connection.
Ventilation blower is connected by ventilation duct with draught ring, is supported by draught ring bracket component, and draught ring is connected with ventilation duct, and ventilation duct is again
It is connected with supporting plate.Supporting plate is fixed on integral support by bolt, nut and pad, and one block of metal is fixed with supporting plate
Plate, angular contact ball bearing is fixed with metallic plate centre, angular contact ball bearing supports charging by the shaft shoulder of charging axle
Axle and object thereon.Non-contact heating component is linked together by heating component support with supporting plate and metallic plate.Electrostatic
Coil assembly is collected to be fixed together by pan head screw and supporting plate.Electrostatic collection coil assembly and high pressure generator high-pressure side phase
Even.
Servomotor is the drive that power is provided to extruder in a kind of non-contact heating centrifugation electrostatic spinning apparatus of the present invention
Dynamic system, the feed system of the extruded machine of solid material are added in the machine cavity of extruder, will by the heating function of extruder
After solid material heating is molten to certain temperature（Preheating）, it is transported in gear pump.The effect of gear pump in the apparatus is
The flow of stable melt material, the melt material of stability of flow transports out from gear pump to be entered in charging axle.Charging axle
Be from high-speed electric expreess locomotive by the connection function of motor shaft, solid spindle, coupling assembly, gear-driven assembly and charging axle to its
Rotary power is provided.Material is entered in spinning throwing disc by charging axle.There is a non-contact heating group below spinning throwing disc
Part, the non-contact heating component do not contact directly with spinning throwing disc, but by spinning throwing disc by way of electromagnetic induction heating
Heating, and then heat is provided to the melt material entered in spinning throwing disc, the temperature of melt material is increased to design temperature
Value（Reheating）, turning effort of the melt material of certain temperature Jing Guo spinning throwing disc is then raised to, by centrifugal force
Effect, which is thrown out of spinning throwing disc, turns into jet.In the effect of the electrostatic force of high-voltage electrostatic field caused by electrostatic collection coil assembly
Under, jet, which is stretched sufficiently, attenuates and is solidified into spinning fibre.Blown out in the ventilation blower come in by supporting plate air holes
Under wind action, spinning fibre moves upwards, after collecting directly over device, the spinning behind the outlet of electrostatic collection coil assembly
Fiber forms thin layer fibrofelt and is collected.
The principle of heating of non-contact heating component is that spinning throwing disc group is given by way of electromagnetic heating coil electromagnetic induction
Part heats, and then to the fused materials reheating heating entered in spinning throwing disc, melting material temperature is increased to setting
Spinning is carried out after temperature.The temperature of fused materials is measured in real time by wireless temperature measuring device, and feeds back to electromagnetic heating coil, is made
The temperature of melt material is maintained at design temperature scope.
It successfully can upwards be moved for the ease of spinning fibre and converge and collect with spinning fibre felt, spinning throwing disc
Pan Bi tries to get to the heart of a matter into 60 ° of angles with spinning throwing disc.The shape of electrostatic collection coil assembly is that bottom is open circles taper, in exit
Size reduction, round exit is gradually transitions rectangle outlet, in favor of the collection of spinning fibre.
When apparatus of the present invention are not turned on heater, solution centrifugal electrostatic spinning can be carried out at room temperature；It is not turned on high pressure
During generator, centrifugal spinning can be carried out.
Apparatus of the present invention not only overcome the shortcomings that electrostatic spinning technique spinning efficiency is low, and the yield for producing spinning fibre reaches
To 10 kg/h, and overcome centrifugal spinning technology and spin the shortcomings that fiber is thick.
Brief description of the drawings
Fig. 1 is a kind of schematic cross-sectional view of non-contact heating centrifugation electrostatic spinning apparatus of the present invention
Fig. 2 is a kind of spinning throwing disc assemble cross-section of non-contact heating centrifugation electrostatic spinning apparatus of the present invention
Fig. 3 is locally to be put at spinning nozzle in a kind of spinning throwing disc component of non-contact heating centrifugation electrostatic spinning apparatus of the present invention
Big figure
Fig. 4 is a kind of non-contact heating component upward view of non-contact heating centrifugation electrostatic spinning apparatus of the present invention
Fig. 5 is a kind of non-contact heating component front sectional view of non-contact heating centrifugation electrostatic spinning apparatus of the present invention
In Fig. 1,1, supporting plate, 2, integral support, 3, bolt Isosorbide-5-Nitrae, nut 1,5, pad 1,6, pan head screw 1,7, draught ring branch
Frame component, 8, draught ring, 9, ventilation duct, 10, electrostatic collection coil assembly, 11, non-contact heating component, 12, heating component branch
Frame, 13, pan head screw 2,14, spinning throwing disc component, 15, metallic plate, 16, pan head screw 3,17, pan head screw 4,18, angular contact
Ball bearing, 19, charging axle, 20, wireless temperature measuring device, 21, gear-driven assembly, 22, coupling assembly, 23, pan head screw 5,
24th, bolt 2,25, nut 2,26, pad 2,27, ventilation blower, 28, lower end supporting plate, 29, solid spindle, 30, high-speed electric expreess locomotive,
31st, pan head screw 6,32, semicircle baffle ring, 33, heat-insulation layer, 34,90 ° of bend pipes, 35, sealing ring, 36, pan head screw 7,37, under
End support board mount, 38, gear pump, 39, extruder, 40, servomotor.
In Fig. 2,14-1, sunk screw, 14-2, pan head screw 8,14-3, spinning spray cap, 14-4, spinning nozzle, 14-5,
Spinning throwing disc, 14-6, spinning throwing disc lid, 14-7, pan head screw 9,14-8, thermometric insertion tube.
In Fig. 4,11-1, fan, 11-2, heated barrier, 11-3, pan head screw 10,11-4, heating chamber shell.
In Fig. 5,11-1, fan, 11-2, heated barrier, 11-3, pan head screw 10,11-4, heating chamber shell, 11-5, electromagnetism
Heating coil.
Embodiment
Non-contact heating centrifugation electrostatic spinning apparatus of the invention a kind of, as shown in figure 1, mainly by power set, non-contact
Heating component（11）, spinning throwing disc component（14）, ventilation unit etc. forms.Servomotor in power set（40）To extruder
（39）Power is provided, so as to provide power to material indirectly；High-speed electric expreess locomotive（30）It is by motor shaft, solid spindle（29）, connection
Axle device assembly（22）, gear-driven assembly（21）And charging axle（19）Connection function to charging axle（19）Rotary power is provided
's.Gear pump（38）With 90 ° of bend pipes（34）Connection, 90 ° of bend pipes（34）Outside is heat-insulation layer（33）, 90 ° of bend pipes（34）Further through
Sealing ring（35）With charging axle（19）Connection, charging axle（19）Pass through the thread segment and spinning throwing disc component on top（14）Connection,
Spinning throwing disc component（14）Pass through thermometric insertion tube thereon（14-8）With wireless temperature measuring device（20）Connection.In gear-driven assembly
（21）The charging axle of lower section（19）Position passes through pan head screw（36）It is fixed with semicircle baffle ring（32）, in semicircle baffle ring（32）
What is be in contact with it below is the angular contact ball bearing of lower end（18）, angular contact ball bearing（18）By lower end supporting plate（28）Support,
Lower end supporting plate（28）Pass through bolt（24）, nut（25）And pad（26）Board mount is supported with lower end（37）It is fixed together,
Lower end supports board mount（37）Further through pan head screw（16）, bolt（24）, nut（25）And pad（26）With supporting plate（1）Gu
It is scheduled on together.Ventilation blower（27）Pass through ventilation duct（9）With draught ring（8）Connection, by draught ring bracket component（7）Support, ventilation
Circle（8）With ventilation duct（9）Connection, ventilation duct（9）And and supporting plate（1）Connection.Supporting plate（1）Pass through bolt（3）, nut（4）
And pad（5）It is fixed on integral support（2）On, supporting plate（1）On be fixed with one piece of metallic plate（15）, metallic plate（15）Central part
Angular contact ball bearing is fixed with position（18）, angular contact ball bearing（18）Pass through charging axle（19）The shaft shoulder support charging axle
（19）And object thereon.Non-contact heating component（11）Pass through heating component support（12）With supporting plate（1）And metallic plate
（15）Link together.Electrostatic collection coil assembly（10）Pass through pan head screw（6）With supporting plate（1）It is fixed together.Spinning is got rid of
Disk component（14）As shown in Fig. 2 it is spinning throwing disc component as shown in Figure 3（14）Middle spinning nozzle（14-4）The partial enlargement at place
Figure.If Fig. 4 and Fig. 5 are non-contact heating component respectively（11）Upward view and front sectional view.The working method of apparatus of the present invention
For：The extruded machine of solid material（39）Feed system be added to extruder（39）Machine cavity in, by extruder（39）Plus
After solid material heating is molten to certain temperature by hot function（Preheating）, it is transported to gear pump（38）In, then into entering
Expect axle（19）In, enter eventually into spinning throwing disc（14-5）In.Spinning throwing disc component（14）There is non-contact heating component below
（11）, the non-contact heating component（11）By spinning throwing disc by way of electromagnetic induction heating（14-5）Heating, and then be fed
Enter to spinning throwing disc（14-5）In melt material provide heat, the temperature of melt material is increased to set temperature value, then
Melt material passes through spinning throwing disc（14-5）Turning effort, be thrown out of spinning throwing disc by the effect of centrifugal force（14-5）Turn into
Jet.In electrostatic collection coil assembly（10）Under the electrostatic force of caused high-voltage electrostatic field, jet is become by sufficient stretching
It is fine into as fibre spinning.Passing through supporting plate simultaneously（1）The ventilation blower that air holes is come in（27）Under the wind action blown out, spinning
Fiber moves upwards, by electrostatic collection coil assembly（10）Fibrofelt is formed behind outlet to be collected.
Claims (5)
- A kind of 1. non-contact heating centrifugation electrostatic spinning apparatus, it is characterised in that：The device mainly includes supporting plate, support, led to Solar or lunar halo bracket component, draught ring, ventilation duct, electrostatic collection coil assembly, non-contact heating component, spinning throwing disc component, angular contact Ball bearing, charging axle, wireless temperature measuring device, gear-driven assembly, coupling assembly, 90 ° of bend pipes, ventilation blower, solid spindle, height Speed motor, semicircle baffle ring, heat-insulation layer, sealing ring, gear pump, extruder, servomotor, high pressure generator, wherein servo electricity Machine is connected with extruder, and extruder is connected with gear pump, and gear pump is connected with 90 ° of bend pipes, is heat-insulation layer outside 90 ° of bend pipes, 90 ° Bend pipe is connected further through sealing ring and charging axis connection, charging axle by the thread segment on top with spinning throwing disc component, and spinning is got rid of Disk component is connected by thermometric insertion tube thereon with wireless temperature measuring device；High-speed electric expreess locomotive passes through coupling assembly, solid spindle, tooth Take turns transmission component and charging axis connection；Ventilation blower is connected by ventilation duct with draught ring, is supported by draught ring bracket component, ventilation Circle is connected with ventilation duct, and ventilation duct is connected with supporting plate again；Supporting plate is fixed on integral support by bolt, nut and pad On, one piece of metallic plate is fixed with supporting plate, is fixed with angular contact ball bearing on metallic plate centre, angular contact ball bearing leads to The shaft shoulder for crossing charging axle supports charging axle and object thereon；Non-contact heating component passes through heating component support and supporting plate Linked together with metallic plate；Electrostatic collection coil assembly is fixed together by pan head screw and supporting plate；Electrostatic collection circle group Part is connected with high pressure generator high-pressure side.
- 2. the non-contact heating centrifugation electrostatic spinning apparatus of one kind according to claim 1, it is characterised in that：Charging axle be by High-speed electric expreess locomotive is provided it by the connection function of motor shaft, solid spindle, coupling assembly, gear-driven assembly and charging axle Rotary power, material is entered in spinning throwing disc by charging axle.
- 3. the non-contact heating centrifugation electrostatic spinning apparatus of one kind according to claim 1, it is characterised in that：Under spinning throwing disc There is a non-contact heating component in face, and the non-contact heating component does not contact directly with spinning throwing disc, but passes through electromagnetic induction The mode of heating heats spinning throwing disc, and then provides heat to the melt material entered in spinning throwing disc, by melt material Temperature be increased to set temperature value, the temperature of fused materials is measured in real time by wireless temperature measuring device, and is fed back to electromagnetism and added Heat coil, the temperature of melt material is set to be maintained at design temperature scope.
- 4. the non-contact heating centrifugation electrostatic spinning apparatus of one kind according to claim 1, it is characterised in that：Spinning throwing disc Pan Bi tries to get to the heart of a matter into 60 ° of angles with spinning throwing disc.
- 5. the non-contact heating centrifugation electrostatic spinning apparatus of one kind according to claim 1, it is characterised in that：Electrostatic collection circle The shape of component is that bottom is open circles taper, and in exit size reduction, round exit is gradually transitions rectangle outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710720273.7A CN107354522B (en) | 2017-08-21 | 2017-08-21 | A kind of non-contact heating centrifugation electrostatic spinning apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710720273.7A CN107354522B (en) | 2017-08-21 | 2017-08-21 | A kind of non-contact heating centrifugation electrostatic spinning apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107354522A true CN107354522A (en) | 2017-11-17 |
| CN107354522B CN107354522B (en) | 2019-07-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710720273.7A Active CN107354522B (en) | 2017-08-21 | 2017-08-21 | A kind of non-contact heating centrifugation electrostatic spinning apparatus |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113564735A (en) * | 2021-08-20 | 2021-10-29 | 北京化工大学 | Airflow-assisted centrifugal electrostatic spinning device |
| CN113584612A (en) * | 2021-09-06 | 2021-11-02 | 北京化工大学 | Continuous melting centrifugal electrostatic spinning production equipment capable of being connected in series along two directions |
| CN114351359A (en) * | 2022-01-17 | 2022-04-15 | 北京化工大学 | Integrated centrifugal electrostatic spinning equipment |
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| KR20100077913A (en) * | 2008-12-29 | 2010-07-08 | (주)엔티시 | Centrifugal electric spinning apparatus |
| CN102191568A (en) * | 2010-03-16 | 2011-09-21 | 北京化工大学 | Device for promoting electrostatic spinning of high-viscosity polymer melt by using rod-climbing effect |
| CN103215662A (en) * | 2013-04-25 | 2013-07-24 | 北京化工大学 | Interrupted type centrifugal melting body electrostatic spinning device |
| CN104088024A (en) * | 2014-07-10 | 2014-10-08 | 北京化工大学 | Novel centrifugal melt electrostatic spinning device |
| CN105780152A (en) * | 2016-04-28 | 2016-07-20 | 北京化工大学 | Airflow bundling rotating twisting nanometer twisted thread preparation device and process |
-
2017
- 2017-08-21 CN CN201710720273.7A patent/CN107354522B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100077913A (en) * | 2008-12-29 | 2010-07-08 | (주)엔티시 | Centrifugal electric spinning apparatus |
| CN102191568A (en) * | 2010-03-16 | 2011-09-21 | 北京化工大学 | Device for promoting electrostatic spinning of high-viscosity polymer melt by using rod-climbing effect |
| CN103215662A (en) * | 2013-04-25 | 2013-07-24 | 北京化工大学 | Interrupted type centrifugal melting body electrostatic spinning device |
| CN104088024A (en) * | 2014-07-10 | 2014-10-08 | 北京化工大学 | Novel centrifugal melt electrostatic spinning device |
| CN105780152A (en) * | 2016-04-28 | 2016-07-20 | 北京化工大学 | Airflow bundling rotating twisting nanometer twisted thread preparation device and process |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113564735A (en) * | 2021-08-20 | 2021-10-29 | 北京化工大学 | Airflow-assisted centrifugal electrostatic spinning device |
| CN113584612A (en) * | 2021-09-06 | 2021-11-02 | 北京化工大学 | Continuous melting centrifugal electrostatic spinning production equipment capable of being connected in series along two directions |
| CN114351359A (en) * | 2022-01-17 | 2022-04-15 | 北京化工大学 | Integrated centrifugal electrostatic spinning equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107354522B (en) | 2019-07-05 |
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Application publication date: 20171117 Assignee: TAO & SEA HI-TECH (BEIJING) Co.,Ltd. Assignor: BEIJING University OF CHEMICAL TECHNOLOGY Contract record no.: X2024980000401 Denomination of invention: A non-contact heating centrifugal electrospinning device Granted publication date: 20190705 License type: Exclusive License Record date: 20240110 |
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