CN110923833A - Rotary-type nanofiber prepares device - Google Patents
Rotary-type nanofiber prepares device Download PDFInfo
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- CN110923833A CN110923833A CN201911373277.8A CN201911373277A CN110923833A CN 110923833 A CN110923833 A CN 110923833A CN 201911373277 A CN201911373277 A CN 201911373277A CN 110923833 A CN110923833 A CN 110923833A
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- rectangular shell
- rotary
- heater
- vertical portion
- horizontal portion
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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
- D01D5/18—Formation of filaments, threads, or the like by means of rotating spinnerets
-
- 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
- D01D1/00—Treatment of filament-forming or like material
- D01D1/04—Melting filament-forming substances
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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
- D01D13/00—Complete machines for producing artificial threads
-
- 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
- D01D4/00—Spinnerette packs; Cleaning thereof
- D01D4/02—Spinnerettes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
A rotary nano-fiber preparing device is characterized in that a charging vessel in the device comprises a nozzle, an upper rectangular shell and a lower rectangular shell which are of hollow structures, the upper rectangular shell and the lower rectangular shell are connected into a whole, the joint of the upper rectangular shell and the lower rectangular shell is connected with a plurality of nozzles, the interiors of the upper rectangular shell and the lower rectangular shell form an inner cavity communicated with the nozzle, a fiber source is arranged in the inner cavity, an upper heater is arranged above the top of the upper rectangular shell, a lower heater is arranged below the bottom of the lower rectangular shell, the bottom of the lower rectangular shell is connected with a rotating shaft through a bottom bearing, a heat conducting chamber is arranged on the rotating shaft at a position close to the lower heater, and buffer layers are arranged on the top and the side of the heat conducting chamber respectively. The design does not need to apply a high-voltage electric field and is not restricted by conductivity, and the heating effect is good, the production efficiency is high and the adjustability is strong.
Description
Technical Field
The invention relates to spinning equipment, in particular to a rotary nanofiber preparing device, which is particularly suitable for improving the production efficiency of nanofibers for spinning.
Background
The nano fiber is superfine fiber with the diameter of tens of nanometers to hundreds of nanometers, and has the unique advantages that other fibers cannot have, such as very large specific surface area, superfine porosity, good mechanical properties and the like. In recent years, nanofibers have been widely used in the fields of textile materials, tissue engineering scaffolds, filter media, nanosensors, composite materials, and the like.
The preparation of the nano-fiber attracts the attention of experts and scholars at home and abroad. Up to now, there are many methods for preparing nanofibers, such as drawing, microphase separation, template synthesis, self-assembly, electrospinning, etc., among which the electrospinning method is widely used with advantages of simple operation, wide application range, relatively high production efficiency, etc. However, electrospinning also has the following inherent drawbacks: firstly, a high-voltage electric field needs to be applied in the preparation process, the cost is high, and extra attention needs to be paid to safety problems; secondly, the production efficiency is low; again, the solution requires a proportion of solvent to make the solution conductive, which can lead to contamination.
The information disclosed in this background section is only for enhancement of understanding of the general background of the patent application and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to overcome the defects and problems of the prior art that a high-voltage electric field needs to be applied and the conductivity is restricted, and provides a rotary nanofiber manufacturing device which does not need to apply the high-voltage electric field and is not restricted by the conductivity.
In order to achieve the above purpose, the technical solution of the invention is as follows: a rotary nanofiber preparing device comprises a charging vessel and a rotating shaft, wherein a fiber source is arranged in the charging vessel, and the bottom of the charging vessel is connected with the top of the rotating shaft;
the fiber source is a polymer, the charging vessel comprises a nozzle, an upper rectangular shell and a lower rectangular shell which are both of a hollow structure, the upper rectangular shell and the lower rectangular shell are connected into an integral structure from top to bottom, the joint of the upper rectangular shell and the lower rectangular shell is connected with a plurality of nozzles, the interiors of the upper rectangular shell and the lower rectangular shell form an inner cavity communicated with the nozzle, and the interior of the inner cavity of the device is provided with the fiber source; an upper heater is arranged above the top of the upper rectangular shell, a lower heater is arranged below the bottom of the lower rectangular shell, the bottom of the lower rectangular shell is connected with a bottom bearing, the inside of the bottom bearing is connected with the top end of a rotating shaft, and the bottom end of the rotating shaft penetrates through the lower heater and then extends to the position right below the lower heater; a heat conduction chamber is arranged on the position, close to the lower heater, of the rotating shaft, buffer layers are respectively arranged on the top and the side of the heat conduction chamber, a temperature measurement sensor is arranged in the heat conduction chamber, the temperature measurement sensor, a signal emitter and a power supply are located in the same circuit loop, and the signal emitter is in signal connection with the main control chamber;
the temperature sensor comprises a metal shell, an input power line, an output power line, an insulating column and a temperature sensing piece, wherein one end of the input power line is connected with a signal transmitter circuit, the other end of the input power line passes through the left wall of the metal shell and then extends into the metal shell, one end of the output power line is connected with a power circuit, the other end of the output power line passes through the right wall of the metal shell and then extends into the metal shell, the other end of the output power line is positioned right below the other end of the input power line, the part of the input power line, which is close to the other end of the input power line, is connected with the bottom of the insulating column, the top of the insulating column is connected with the middle part of the temperature sensing piece, the left end of the temperature sensing piece is connected with a left top wall arranged on the top wall of the metal shell, the right end of the temperature sensing piece horizontally extends to be right below the, and a temperature inlet is arranged between the left top wall and the right top wall.
The length of the temperature inlet is shorter than that of the temperature sensing piece.
The right end of the temperature sensing piece is arranged right below the right top wall, the other end of an input power line is arranged right below the right end of the temperature sensing piece, and the other end of an output power line is arranged right below the other end of the input power line.
The upper heater comprises an upper driving shaft and an upper heat dissipation cover, the bottom end of the upper driving shaft is connected with the top of the upper heat dissipation cover, and the bottom of the upper heat dissipation cover covers the position right above the top of the upper rectangular shell.
The upper heat dissipation cover comprises an upper left vertical portion, an upper middle flat portion and an upper right vertical portion, two ends of the upper middle flat portion are vertically connected with the top ends of the upper left vertical portion and the upper right vertical portion, the middle of the upper middle flat portion is vertically connected with the bottom end of the upper driving shaft, and the upper rectangular shell is located in an upper heating space defined by the upper left vertical portion, the upper middle flat portion and the upper right vertical portion.
The lower heater comprises a lower left vertical heat part, a lower middle heat part and a lower right vertical heat part, the two ends of the lower middle heat part are vertically connected with the bottom ends of the lower left vertical heat part and the lower right vertical heat part, the lower middle heat part is positioned right below the lower rectangular shell, the top end of the rotating shaft penetrates through the middle part of the lower middle heat part and then is connected with the inside of the bottom bearing, and the bottom bearing is positioned between the lower middle heat part and the lower rectangular shell.
The lower left vertical heat part, the lower middle flat heat part and the lower right vertical heat part enclose a lower heating space, and the bottom bearing and the lower rectangular shell are located in the lower heating space.
The nozzle comprises an outward opening, a middle bearing part and an inward opening which are sequentially connected, the middle bearing part is of a cone frustum structure with a narrow outer part and a wide inner part, the diameter of the outward opening is smaller than that of the inward opening, and the outer space of the injection nozzle is communicated with the inside of the charging vessel after sequentially passing through the outward opening, the middle bearing part and the inward opening.
The bottom edge of the upper heater is positioned right above the middle support part, and the top edge of the lower heater is positioned right below the middle support part.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention relates to a rotary nanofiber preparing device, wherein a polymer is arranged in a charging vessel, a nozzle communicated with the interior of the charging vessel is arranged on the side wall of the charging vessel, an upper heater and a lower heater are respectively arranged above and below the charging vessel, the bottom of the charging vessel is connected with the top end of a rotating shaft, when the rotary nanofiber preparing device is used, the polymer in the charging vessel is heated by the upper heater and the lower heater to be in a molten state so as to obtain molten liquid, the molten liquid has certain surface tension and molecular entanglement is in a reasonable range, meanwhile, the rotating shaft drives the charging vessel to do high-speed rotary motion, the molten liquid forms a Taylor cone at the nozzle, and when the centrifugal force is greater than the viscous elasticity and the surface tension, the molten liquid is stretched to form nanofibers and is shot on an external collecting device so as to be convenient to collect. Therefore, the invention can generate the textile nano-fiber without applying high-voltage electric field and being restricted by conductivity, and has higher production efficiency.
2. In the rotary nanofiber preparing device, the charging vessel nozzle, the upper rectangular shell and the lower rectangular shell which are both of a hollow structure are connected into a whole structure from top to bottom, and the joint of the upper rectangular shell and the lower rectangular shell is connected with a plurality of nozzles. Therefore, the invention has better heating effect and higher generating efficiency.
3. In the rotary nanofiber preparing device, an upper heating space defined by an upper left vertical heat part, an upper middle flat heat part and an upper right vertical heat part in an upper heater covers right above an upper rectangular shell, and a lower heating space defined by a lower left vertical heat part, a lower middle flat heat part and a lower right vertical heat part in a lower heater covers right below a lower rectangular shell. Therefore, the invention has better heating effect and stronger adjustability.
4. The invention relates to a rotary nanofiber preparing device, wherein a heat conducting chamber is arranged on a rotary shaft near a lower heater, buffer layers are respectively arranged on the top and the side of the heat conducting chamber, a temperature measuring sensor is arranged in the heat conducting chamber, the temperature measuring sensor, a signal transmitter and a power supply are positioned in the same circuit loop, the signal transmitter is in signal connection with a main control chamber, when the rotary nanofiber preparing device is used, the temperature measuring sensor monitors the temperature near a loading vessel through the heat conducting chamber, once the temperature is too high and the generation quality of nanofibers is damaged, the circuit loop where the temperature measuring sensor, the signal transmitter and the power supply are positioned is conducted, and then the signal transmitter sends signals to the main control chamber to stop running. Therefore, the invention can automatically control the temperature and has higher control efficiency.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a top view of the charging vessel of fig. 1.
Fig. 3 is a schematic structural view of the temperature sensor of fig. 1.
In the figure: the fiber source 1, the charging vessel 2, the upper rectangular shell 21, the lower rectangular shell 22, the nozzle 23, the outward opening 24, the middle bearing part 25, the inward opening 26, the inner cavity 27, the rotating shaft 3, the bottom bearing 31, the heat conducting chamber 32, the buffer layer 33, the upper heater 4, the upper driving shaft 41, the upper heat dissipation cover 42, the upper left vertical heat part 43, the upper middle heat leveling part 44, the upper right vertical heat part 45, the upper heating space 46, the lower heater 5, the lower left vertical heat part 51, the lower middle heat leveling part 52, the lower right vertical heat part 53, the lower heating space 54, the temperature measuring sensor 6, the metal shell 61, the left top wall 611, the right top wall 612, the temperature inlet 613, the input power line 62, the output power line 63, the insulating column 64, and the temperature sensing piece 65.
Detailed Description
The present invention will be described in further detail with reference to the following description and embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 3, a rotary nanofiber manufacturing apparatus includes a loading vessel 2 and a rotary shaft 3, a fiber source 1 is disposed inside the loading vessel 2, and the bottom of the loading vessel 2 is connected to the top of the rotary shaft 3;
the fiber source 1 is a polymer, the charging vessel 2 comprises a nozzle 23, an upper rectangular shell 21 and a lower rectangular shell 22 which are both of a hollow structure, the upper rectangular shell 21 and the lower rectangular shell 22 are connected into an integral structure up and down, the joint of the upper rectangular shell 21 and the lower rectangular shell 22 is connected with a plurality of nozzles 23, the interiors of the upper rectangular shell 21 and the lower rectangular shell 22 form a device inner cavity 27 communicated with the nozzle 23, and the fiber source 1 is arranged in the device inner cavity 27; an upper heater 4 is arranged above the top of the upper rectangular shell 21, a lower heater 5 is arranged below the bottom of the lower rectangular shell 22, the bottom of the lower rectangular shell 22 is connected with a bottom bearing 31, the inside of the bottom bearing 31 is connected with the top end of the rotating shaft 3, and the bottom end of the rotating shaft 3 extends to the position right below the lower heater 5 after penetrating through the lower heater 5; a heat conduction chamber 32 is arranged on the position, close to the lower heater 5, on the rotating shaft 3, a buffer layer 33 is respectively arranged on the top and the side of the heat conduction chamber 32, a temperature measurement sensor 6 is arranged in the heat conduction chamber 32, the temperature measurement sensor 6, a signal emitter and a power supply are positioned in the same circuit loop, and the signal emitter is in signal connection with the main control chamber;
the upper heater 4 comprises an upper driving shaft 41 and an upper heat dissipation cover 42, the bottom end of the upper driving shaft 41 is connected with the top of the upper heat dissipation cover 42, and the bottom of the upper heat dissipation cover 42 covers the top of the upper rectangular shell 21.
The upper heat dissipation cover 42 comprises an upper left vertical portion 43, an upper middle flat portion 44 and an upper right vertical portion 45, two ends of the upper middle flat portion 44 are vertically connected with the top ends of the upper left vertical portion 43 and the upper right vertical portion 45, the middle of the upper middle flat portion 44 is vertically connected with the bottom end of the upper driving shaft 41, and the upper rectangular shell 21 is located in an upper heating space 46 surrounded by the upper left vertical portion 43, the upper middle flat portion 44 and the upper right vertical portion 45.
The lower heater 5 comprises a lower left vertical heat part 51, a lower middle heat leveling part 52 and a lower right vertical heat part 53, two ends of the lower middle heat leveling part 52 are vertically connected with the bottom ends of the lower left vertical heat part 51 and the lower right vertical heat part 53, the lower middle heat leveling part 52 is positioned right below the lower rectangular shell 22, the top end of the rotating shaft 3 penetrates through the middle part of the lower middle heat leveling part 52 and then is connected with the inside of the bottom bearing 31, and the bottom bearing 31 is positioned between the lower middle heat leveling part 52 and the lower rectangular shell 22.
The lower left vertical heat part 51, the lower middle flat heat part 52 and the lower right vertical heat part 53 define a lower heating space 54, and the bottom bearing 31 and the lower rectangular shell 22 are located in the lower heating space 54.
The nozzle 23 comprises an outward opening 24, a middle opening 25 and an inward opening 26 which are connected in sequence, the middle opening 25 is in a cone frustum structure with a narrow outer part and a wide inner part, the diameter of the outward opening 24 is smaller than that of the inward opening 26, and the outer space of the injection nozzle 23 is communicated with the inner part of the charging container 2 after sequentially passing through the outward opening 24, the middle opening 25 and the inward opening 26.
The bottom edge of the upper heater 4 is positioned directly above the socket 25, and the top edge of the lower heater 5 is positioned directly below the socket 25.
When the device is used, the polymer in the charging container 2 is in a molten state by heating the upper heater 4 and the lower heater 5, molten liquid is obtained, the molten liquid has certain surface tension, molecular entanglement is in a reasonable range, when the rotating shaft 3 drives the charging container 2 to do high-speed rotary motion, the molten liquid forms a Taylor cone at the nozzle 23, and when centrifugal force is greater than viscoelasticity and surface tension, the molten liquid is stretched to form nano fibers and is shot on a collecting device at the periphery to be convenient to collect. Meanwhile, in the collecting process of the nano fibers, the temperature sensor 6 directly monitors the temperature near the charging vessel 2 through the metal shell 61, once the temperature exceeds the set temperature, the temperature sensing sheet 65 deforms, the temperature sensing sheet 65 bends downwards, the downward-bent temperature sensing sheet 65 drives the input power line 62 to descend through the insulating column 64, when the descending input power line 62 is in contact with the output power line 63 located right below the descending input power line, the circuit is conducted, the circuit loop of the temperature sensor 6, the signal emitter and the power supply is conducted, and then the signal emitter sends signals to the main control room to stop running.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiment, but equivalent modifications or changes made by those skilled in the art according to the present disclosure should be included in the scope of the present invention as set forth in the appended claims.
Claims (9)
1. The utility model provides a rotary-type nanofiber prepares device, includes charging vessel (2) and rotation axis (3), the inside of charging vessel (2) is provided with fiber source (1), and the bottom of charging vessel (2) is connected with the top of rotation axis (3), its characterized in that:
the charging vessel (2) comprises nozzles (23), an upper rectangular shell (21) and a lower rectangular shell (22) which are of hollow structures, the upper rectangular shell (21) and the lower rectangular shell (22) are connected into a whole, the joints of the upper rectangular shell (21) and the lower rectangular shell (22) are connected with the nozzles (23), the interiors of the upper rectangular shell (21) and the lower rectangular shell (22) form an inner cavity (27) communicated with the nozzles (23), and a fiber source (1) is arranged in the inner cavity (27); an upper heater (4) is arranged above the top of the upper rectangular shell (21), a lower heater (5) is arranged below the bottom of the lower rectangular shell (22), the bottom of the lower rectangular shell (22) is connected with a bottom bearing (31), the inside of the bottom bearing (31) is connected with the top end of the rotating shaft (3), and the bottom end of the rotating shaft (3) penetrates through the lower heater (5) and then extends to the position right below the lower heater (5); the rotary type temperature-measuring device is characterized in that a heat conduction chamber (32) is arranged on the position, close to the lower heater (5), on the rotary shaft (3), buffer layers (33) are respectively arranged on the top and the side of the heat conduction chamber (32), a temperature-measuring sensor (6) is arranged inside the heat conduction chamber (32), the temperature-measuring sensor (6), a signal emitter and a power supply are located in the same circuit loop, and the signal emitter is in signal connection with the main control chamber.
2. The rotary-type nanofiber manufacturing device as claimed in claim 1, wherein: the length of the temperature inlet (613) is shorter than that of the temperature sensing piece (65).
3. The rotary-type nanofiber manufacturing device as claimed in claim 2, wherein: the right end of the temperature sensing piece (65) is arranged right below the right top wall (612), the other end of the input power line (62) is arranged right below the right end of the temperature sensing piece (65), and the other end of the output power line (63) is arranged right below the other end of the input power line (62).
4. A rotary-type nanofiber producing device as claimed in claim 1, 2 or 3, wherein: the upper heater (4) comprises an upper driving shaft (41) and an upper heat dissipation cover (42), the bottom end of the upper driving shaft (41) is connected with the top of the upper heat dissipation cover (42), and the bottom of the upper heat dissipation cover (42) covers the position right above the top of the upper rectangular shell (21).
5. The rotary-type nanofiber manufacturing device as claimed in claim 4, wherein: the upper heat dissipation cover (42) comprises an upper left vertical portion (43), an upper middle horizontal portion (44) and an upper right vertical portion (45), two ends of the upper middle horizontal portion (44) are vertically connected with the top ends of the upper left vertical portion (43) and the upper right vertical portion (45), the middle of the upper middle horizontal portion (44) is vertically connected with the bottom end of the upper driving shaft (41), and the upper rectangular shell (21) is located in an upper heating space (46) surrounded by the upper left vertical portion (43), the upper middle horizontal portion (44) and the upper right vertical portion (45).
6. A rotary-type nanofiber producing device as claimed in claim 1, 2 or 3, wherein: the lower heater (5) comprises a lower left vertical portion (51), a lower middle horizontal portion (52) and a lower right vertical portion (53), the two ends of the lower middle horizontal portion (52) are vertically connected with the bottom ends of the lower left vertical portion (51) and the lower right vertical portion (53), the lower middle horizontal portion (52) is located right below the lower rectangular shell (22), the top end of the rotating shaft (3) penetrates through the middle of the lower middle horizontal portion (52) and then is connected with the inside of the bottom bearing (31), and the bottom bearing (31) is located between the lower middle horizontal portion (52) and the lower rectangular shell (22).
7. The rotary-type nanofiber manufacturing device as claimed in claim 6, wherein: the lower left vertical heat part (51), the lower middle flat heat part (52) and the lower right vertical heat part (53) enclose a lower heating space (54), and the bottom bearing (31) and the lower rectangular shell (22) are located in the lower heating space (54).
8. A rotary-type nanofiber producing device as claimed in claim 1, 2 or 3, wherein: the nozzle (23) comprises an outward opening (24), a middle bearing part (25) and an inward opening (26) which are sequentially connected, the middle bearing part (25) is of a cone frustum structure with a narrow outer part and a wide inner part, the diameter of the outward opening (24) is smaller than that of the inward opening (26), and the outer space of the injection nozzle (23) is sequentially communicated with the inner part of the charging vessel (2) through the outward opening (24), the middle bearing part (25) and the inward opening (26).
9. The rotary-type nanofiber manufacturing device as claimed in claim 8, wherein: the bottom edge of the upper heater (4) is positioned right above the middle bearing part (25), and the top edge of the lower heater (5) is positioned right below the middle bearing part (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911373277.8A CN110923833A (en) | 2019-12-27 | 2019-12-27 | Rotary-type nanofiber prepares device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911373277.8A CN110923833A (en) | 2019-12-27 | 2019-12-27 | Rotary-type nanofiber prepares device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110923833A true CN110923833A (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911373277.8A Withdrawn CN110923833A (en) | 2019-12-27 | 2019-12-27 | Rotary-type nanofiber prepares device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110923833A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463207A (en) * | 2021-06-10 | 2021-10-01 | 武汉纺织大学 | Core-shell type composite tank |
| CN113481616A (en) * | 2021-06-10 | 2021-10-08 | 武汉纺织大学 | Back-rest type fiber preparation tank |
| CN113502551A (en) * | 2021-06-10 | 2021-10-15 | 武汉纺织大学 | Centrifugal spinning integrated body |
-
2019
- 2019-12-27 CN CN201911373277.8A patent/CN110923833A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463207A (en) * | 2021-06-10 | 2021-10-01 | 武汉纺织大学 | Core-shell type composite tank |
| CN113481616A (en) * | 2021-06-10 | 2021-10-08 | 武汉纺织大学 | Back-rest type fiber preparation tank |
| CN113502551A (en) * | 2021-06-10 | 2021-10-15 | 武汉纺织大学 | Centrifugal spinning integrated body |
| CN113463207B (en) * | 2021-06-10 | 2022-04-19 | 武汉纺织大学 | Core-shell type composite tank |
| CN113481616B (en) * | 2021-06-10 | 2022-04-19 | 武汉纺织大学 | Back-rest type fiber preparation tank |
| CN113502551B (en) * | 2021-06-10 | 2022-04-19 | 武汉纺织大学 | Centrifugal spinning integrated body |
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Application publication date: 20200327 |