CN219731149U - Pitch-based carbon fiber preoxidation furnace - Google Patents
Pitch-based carbon fiber preoxidation furnace Download PDFInfo
- Publication number
- CN219731149U CN219731149U CN202321024414.9U CN202321024414U CN219731149U CN 219731149 U CN219731149 U CN 219731149U CN 202321024414 U CN202321024414 U CN 202321024414U CN 219731149 U CN219731149 U CN 219731149U
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- CN
- China
- Prior art keywords
- carbon fiber
- based carbon
- support frame
- furnace body
- asphalt
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 59
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 59
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 239000010426 asphalt Substances 0.000 claims abstract description 38
- 230000003647 oxidation Effects 0.000 claims abstract description 25
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 25
- 238000009423 ventilation Methods 0.000 claims description 13
- 238000005485 electric heating Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 abstract description 6
- 239000001301 oxygen Substances 0.000 abstract description 6
- 239000011295 pitch Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000010000 carbonizing Methods 0.000 description 1
- 239000011300 coal pitch Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011301 petroleum pitch Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Inorganic Fibers (AREA)
Abstract
The utility model provides an asphalt-based carbon fiber pre-oxidation furnace, which relates to the technical field of asphalt-based carbon fibers and comprises a furnace body, wherein a first rotating plate is rotatably arranged on one side of the furnace body, a second rotating plate is rotatably arranged on one side of the furnace body, which is far away from the first rotating plate, two fixing frames are symmetrically arranged between the first rotating plate and the second rotating plate, a support frame is slidably arranged between the two fixing frames, a plurality of uniformly distributed through holes are formed in the support frame, asphalt-based carbon fiber wires are slidably connected in the through holes, a handle is fixedly arranged on one side, which is close to the first rotating plate, of the support frame, a motor is fixedly connected on one side, which is far away from the support frame, of the second rotating plate, and the second rotating plate rotates to drive the support frame and the asphalt-based carbon fiber wires on the support frame to rotate, so that both sides of the asphalt-based carbon fiber wires can be contacted with oxygen above the two sides, and the contact time is almost equal, and the asphalt-based carbon fiber wires are fully pre-oxidized.
Description
Technical Field
The utility model relates to the technical field of asphalt-based carbon fibers, in particular to an asphalt-based carbon fiber pre-oxidation furnace.
Background
The pitch-based carbon fiber is a special fiber with carbon content of more than 92% prepared by using petroleum pitch or coal pitch as a raw material and refining, spinning, pre-oxidizing, carbonizing or graphitizing the pitch-based carbon fiber in a pitch-based carbon fiber pre-oxidizing furnace. The method is a new material with excellent mechanical properties of an asphalt-based carbon fiber pre-oxidation furnace, the asphalt-based carbon fiber has excellent heat transfer and electric conductivity and extremely low thermal expansion coefficient, and the asphalt-based carbon fiber can be compounded with resin, metal, carbon and the like to prepare a high-performance composite material, and is used in the high-technology fields of aviation, aerospace, nuclear energy and the like, and the pre-oxidation process of the carbon fiber is an important and key step in the whole process flow for preparing the high-performance carbon fiber, and is also a key place for directly influencing the quality of the high-performance carbon fiber.
Most of asphalt-based carbon fiber pre-oxidation furnaces, fans, heating structures and carbon fiber fixing devices in the prior art can hardly move, so that one side of the asphalt-based carbon fiber can only be pre-oxidized, and then the other side of the asphalt-based carbon fiber can be pre-oxidized along with the diffusion of air, so that the pre-oxidation of the asphalt-based carbon fiber is possibly uneven, and the quality of the asphalt-based carbon fiber is further affected.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides an asphalt-based carbon fiber pre-oxidation furnace.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an asphalt-based carbon fiber preoxidation furnace, includes the furnace body, first rotor plate is installed in the rotation of furnace body one side, the second rotor plate is installed in the rotation of one side that first rotor plate was kept away from to the furnace body, the work groove has been seted up to the inside of furnace body, two symmetrical installation have two mounts between first rotor plate and the second rotor plate, two slidable mounting has the support frame between the mount, a plurality of evenly distributed's through-hole has been seted up to the inside of support frame, a plurality of equal sliding connection has asphalt-based carbon fiber silk in the through-hole, one side fixed mounting that the support frame is close to first rotor plate has the handle, the spout has been seted up to one side that the second rotor plate is close to the support frame, one side fixedly connected with motor that the support frame was kept away from to the second rotor plate, one side fixed mounting that the second rotor plate was kept away from to the motor, fixed plate bottom fixed mounting is on the furnace body.
Preferably, the first fans are fixedly arranged at four corners of the top of the furnace body, and the ventilating pipes are fixedly arranged at the bottoms of the four first fans.
Preferably, the storage tank is arranged in the furnace body, four ventilation pipes penetrate through the top of the storage tank, the bottoms of the four ventilation pipes penetrate through the bottom of the storage tank and are positioned in the working tank, and electric heating wires are arranged on the outer surfaces of the four ventilation pipes.
Preferably, a second fan is fixedly arranged on one side of the furnace body, and an air inlet is formed in the working groove on one side close to the second fan in a penetrating manner.
Preferably, the bottom of the chute is fixedly provided with a magnet, and the support frame is inserted in the chute in a sliding manner.
Preferably, a temperature sensor is fixedly arranged on one side of the working groove.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. in the utility model, when in operation, the motor is started, the second rotating plate rotates, and then the supporting frame and the asphalt-based carbon fiber wires on the supporting frame are driven to rotate, so that both sides of the asphalt-based carbon fiber wires can be in contact with oxygen above, and the contact time is almost equal, so that the asphalt-based carbon fiber wires are fully pre-oxidized, and the quality of the asphalt-based carbon fiber wires is improved.
2. According to the utility model, when the asphalt-based carbon fiber pre-oxidation device works, the supporting frame of a worker is placed between the two fixing frames from the opening of the first rotating plate, then the supporting frame is pushed into the sliding groove and is attracted with the magnet, and the supporting frame cannot move when rotating through the attraction of the magnet, so that the pre-oxidation efficiency of the asphalt-based carbon fiber is affected.
Drawings
FIG. 1 is a perspective view of the overall structure of an asphalt-based carbon fiber pre-oxidation oven according to the present utility model;
FIG. 2 is a perspective view of another view angle structure of an asphalt-based carbon fiber pre-oxidation oven according to the present utility model;
FIG. 3 is a cross-sectional view of an asphalt-based carbon fiber pre-oxidation oven according to the present utility model;
fig. 4 is a perspective view of a supporting frame structure in an asphalt-based carbon fiber pre-oxidation oven according to the present utility model.
Legend description: 1. a furnace body; 2. a first fan; 3. a first rotating plate; 4. a support frame; 5. a handle; 6. a second fan; 7. a second rotating plate; 8. a motor; 9. a fixing plate; 10. a working groove; 11. a storage tank; 12. a ventilation pipe; 13. heating wires; 14. an air inlet; 15. a temperature sensor; 16. a fixing frame; 17. a through hole; 18. pitch-based carbon fiber filaments; 19. a chute; 20. and (3) a magnet.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
In the embodiment 1, as shown in fig. 1-4, the utility model provides an asphalt-based carbon fiber pre-oxidation furnace, which comprises a furnace body 1, wherein a first rotating plate 3 is rotatably installed on one side of the furnace body 1, a second rotating plate 7 is rotatably installed on one side of the furnace body 1 far away from the first rotating plate 3, a working groove 10 is formed in the interior of the furnace body 1, two fixing frames 16 are symmetrically installed between the first rotating plate 3 and the second rotating plate 7, the two fixing frames 16 are used for fixing a supporting frame 4, so that the supporting frame 4 cannot deviate from the direction when the supporting frame 4 is pushed into the working groove 10, the supporting frame 4 is slidably installed between the two fixing frames 16, a plurality of uniformly distributed through holes 17 are formed in the supporting frame 4, a plurality of asphalt-based carbon fiber filaments 18 are conveniently and simultaneously subjected to pre-oxidation treatment by the arrangement of the through holes 17, a handle 5 is fixedly installed on one side of the supporting frame 4 near the first rotating plate 3, a sliding groove 19 is formed on one side of the second rotating plate 7 near the supporting frame 4, a motor 8 is fixedly connected to one side of the second rotating plate 7 far away from the supporting frame 4, and the motor 8 is fixedly installed on the bottom 9 of the second rotating plate 7 far away from the second rotating plate 7, and the fixed plate 9 is fixedly installed on the bottom of the furnace body 1.
The effect that its whole embodiment 1 reached is, during operation, and motor 8, second rotor plate 7 rotate, and then drive support frame 4 and the pitch-based carbon fiber silk 18 on it and rotate for pitch-based carbon fiber silk 18 both sides can both be with top oxygen contact, and the time of contact is also nearly equal, makes pitch-based carbon fiber silk 18 obtain abundant preoxidation, has improved pitch-based carbon fiber silk 18's quality.
In embodiment 2, as shown in fig. 1-4, further, the first fans 2 are fixedly installed at four corners of the top of the furnace body 1, the ventilation pipes 12 are fixedly installed at the bottoms of the four first fans 2, and the four first fans 2 are uniformly distributed, so that oxygen is more uniformly distributed when entering the working tank 10, and the pre-oxidation efficiency of each asphalt-based carbon fiber yarn 18 is ensured to be equal.
Further, the storage tank 11 is arranged in the furnace body 1, four ventilation pipes 12 penetrate through the top of the storage tank 11, the bottoms of the four ventilation pipes 12 penetrate through the bottom of the storage tank 11 and are positioned in the working tank 10, and electric heating wires 13 are arranged on the outer surfaces of the four ventilation pipes 12 to heat oxygen entering the working tank 10.
Further, a second fan 6 is fixedly installed on one side of the furnace body 1, an air inlet 14 is formed in a penetrating mode on one side, close to the second fan 6, of the working groove 10, when the temperature in the working groove 10 is too high, a temperature sensor 15 alarms, the second fan 6 is started, and cold air is introduced into the working groove 10 from the air inlet 14.
Further, a magnet 20 is fixedly arranged at the bottom of the chute 19, and the support frame 4 is slidably inserted into the chute 19.
Further, a temperature sensor 15 is fixedly installed on one side of the working tank 10, when the temperature in the working tank 10 is too high, the temperature sensor 15 gives an alarm, and when the temperature in the working tank 10 is reduced to a proper temperature, the temperature sensor 15 stops giving an alarm.
The effect that its whole real-time example 2 reached is, during operation, puts support frame 4 between two mounts 16 from the opening part of first rotor plate 3, then promotes support frame 4 until support frame 4 gets into spout 19 far away from one side of handle 5 to with magnet 20 actuation for support frame 4 can not remove when rotatory, thereby influences pitch-based carbon fiber yarn 18's pre-oxidation efficiency.
Working principle: during operation, a worker passes through the through holes 17 and installs the asphalt-based carbon fiber yarn 18 on the support frame 4, then holds the handle 5, places the support frame 4 between the two fixing frames 16 from the opening of the first rotating plate 3, then pushes the support frame 4 until one side of the support frame 4 far away from the handle 5 enters the sliding groove 19, and is attracted by the magnet 20, at the moment, the support frame 4 near one side of the handle 5 is attached to the opening of the first rotating plate 3, then four first fans 2 and the electric heating wires 13 are started, the four first fans 2 suck the outside air into the ventilation pipe 12, the air enters the working groove 10 after being heated by the electric heating wires 13, the air performs pre-oxidation treatment on the asphalt-based carbon fiber yarn 18 on the support frame 4, meanwhile, the motor 8 is started, the second rotating plate 7 rotates, and then drives the support frame 4 and the asphalt-based carbon fiber yarn 18 above to rotate, so that two sides of the asphalt-based carbon fiber yarn 18 can be contacted with oxygen above, and the contact time is almost equal, when the temperature in the working groove 10 is too high, the temperature sensor 15 is started, the second fan 6 is started, the air is cooled from the air inlet 10 to the working groove 10, and the temperature sensor is stopped, and the temperature in the working groove 10 is properly cooled, and the temperature sensor is stopped, and the temperature in the working groove 10 is well, and the working groove is cooled. After the pre-oxidation is finished, the working of the first fan 2, the electric heating wire 13 and the motor 8 is stopped by a worker, then the handle 5 is pulled, the supporting frame 4 is stopped to be in contact with the magnet 20, the handle 5 is pulled continuously, the supporting frame 4 is pulled out from the opening of the first rotating plate 3, and finally the asphalt-based carbon fiber wires 18 are removed.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (6)
1. An asphalt-based carbon fiber pre-oxidation furnace, which is characterized in that: including furnace body (1), furnace body (1) one side rotates installs first rotor plate (3), one side that first rotor plate (3) was kept away from to furnace body (1) rotates installs second rotor plate (7), inside working groove (10) of having seted up of furnace body (1), symmetry installs two mount (16) between first rotor plate (3) and second rotor plate (7), two slidable mounting has support frame (4) between mount (16), a plurality of evenly distributed's through-hole (17) have been seted up to support frame (4) inside, a plurality of inside equal sliding connection of through-hole (17) has pitch base carbon fiber silk (18), one side fixed mounting that support frame (4) are close to first rotor plate (3) has handle (5), one side that second rotor plate (7) is close to support frame (4) has seted up spout (19), one side fixedly connected with motor (8) that support frame (4) were kept away from to second rotor plate (7), one side fixed mounting (9) that second rotor plate (7) were kept away from to motor (8) is in fixed mounting on fixed plate (1).
2. A pitch-based carbon fiber pre-oxidation oven according to claim 1, wherein: the four corners at the top of the furnace body (1) are fixedly provided with first fans (2), and the bottoms of the four first fans (2) are fixedly provided with ventilation pipes (12).
3. A pitch-based carbon fiber pre-oxidation oven according to claim 2, wherein: the furnace body (1) is internally provided with a storage groove (11), four ventilation pipes (12) penetrate through the top of the storage groove (11), the bottoms of the four ventilation pipes (12) penetrate through the bottom of the storage groove (11) and are located inside a working groove (10), and electric heating wires (13) are arranged on the outer surfaces of the four ventilation pipes (12).
4. A pitch-based carbon fiber pre-oxidation oven according to claim 1, wherein: a second fan (6) is fixedly arranged on one side of the furnace body (1), and an air inlet (14) is formed in one side, close to the second fan (6), of the working groove (10) in a penetrating mode.
5. A pitch-based carbon fiber pre-oxidation oven according to claim 1, wherein: the bottom of the chute (19) is fixedly provided with a magnet (20), and the support frame (4) is in sliding connection in the chute (19).
6. A pitch-based carbon fiber pre-oxidation oven according to claim 1, wherein: one side of the working groove (10) is fixedly provided with a temperature sensor (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321024414.9U CN219731149U (en) | 2023-05-04 | 2023-05-04 | Pitch-based carbon fiber preoxidation furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321024414.9U CN219731149U (en) | 2023-05-04 | 2023-05-04 | Pitch-based carbon fiber preoxidation furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219731149U true CN219731149U (en) | 2023-09-22 |
Family
ID=88056920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321024414.9U Active CN219731149U (en) | 2023-05-04 | 2023-05-04 | Pitch-based carbon fiber preoxidation furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219731149U (en) |
-
2023
- 2023-05-04 CN CN202321024414.9U patent/CN219731149U/en active Active
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