CN215887336U - Multi-temperature-section carbon fiber low-temperature pre-oxidation kiln furnace - Google Patents
Multi-temperature-section carbon fiber low-temperature pre-oxidation kiln furnace Download PDFInfo
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- CN215887336U CN215887336U CN202121158027.5U CN202121158027U CN215887336U CN 215887336 U CN215887336 U CN 215887336U CN 202121158027 U CN202121158027 U CN 202121158027U CN 215887336 U CN215887336 U CN 215887336U
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Abstract
The utility model discloses a multi-temperature-section carbon fiber low-temperature pre-oxidation kiln, which comprises a cooling water tank, wherein the top of one side of the cooling water tank is fixedly connected with a water inlet, the exhaust pipe is fixedly connected with one side of the cooling water tank, the bottom of the other side of the cooling water tank is fixedly connected with a water outlet, and the middle of the top end of the cooling water tank is fixedly connected with the middle of the outer wall of an L-shaped air inlet pipe. The multi-temperature-section low-temperature pre-oxidation kiln can change the degree of low-temperature-section low-temperature pre-oxidation of the low-carbon fibers by sliding the second gas conveying pipe and the third gas conveying pipe, so that the multi-temperature-section carbon fiber low-temperature pre-oxidation kiln can perform multi-temperature-section adjustment according to the quality of the carbon fibers, the carbon fibers can achieve the best effect during processing, and the problems that the multi-temperature-section low-temperature pre-oxidation effect of the multi-temperature-section carbon fiber low-temperature pre-oxidation kiln is certain, the multi-temperature-section low-temperature pre-oxidation of the low-temperature pre-oxidation kiln cannot be adjusted according to the quality of the carbon fibers, and the multi-quality carbon fibers cannot be adapted are solved.
Description
Technical Field
The utility model relates to the technical field of low-temperature pre-oxidation furnaces, in particular to a multi-temperature-section carbon fiber low-temperature pre-oxidation furnace.
Background
The carbon fiber is a high-strength high-modulus fiber with the carbon content of more than 90 percent, and the high-temperature resistant fiber is the first of all chemical fibers. The acrylic fiber and the viscose fiber are used as raw materials and are oxidized and carbonized at high temperature to form the acrylic fiber/viscose fiber composite material, the acrylic fiber/viscose fiber composite material is an excellent material for manufacturing high-technology equipment such as aerospace and aviation, and at present, with the rapid development of carbon fiber manufacturing technology in China, a carbon fiber material becomes an indispensable material in production and life.
Aiming at the problem that a large amount of tar is produced in the pre-oxidation process of carbon fibers, and the energy is wasted in the pre-oxidation process of the carbon fibers, the pre-oxidation effect is poor, China patent No. CN201822207492.8 proposes a multi-temperature-section carbon fiber low-temperature pre-oxidation kiln, the motion track of carbon fiber tows is opposite to the motion track of air in a gas conveying pipe, so that the temperature along the motion direction of the carbon fiber tows is higher and higher, a plurality of heating devices are not needed to be arranged without a plurality of cabins, one side of the reaction cabin is tightly attached to be provided with a plurality of chambers for heating the air in the gas heating pipe by using the temperature of the reaction cabin, the resource is reasonably utilized, the product manufacturing process is simplified, the manufacturing cost is reduced, but the length of the multi-temperature-section gas conveying pipe of the multi-temperature-section carbon fiber low-temperature pre-oxidation kiln cannot be adjusted, therefore, the multi-temperature-section low-temperature pre-oxidation effect of the multi-temperature-section carbon fiber low-temperature pre-oxidation kiln is certain, and the multi-temperature-section low-temperature pre-oxidation kiln cannot be adjusted according to the quality of the carbon fibers, and thus cannot accommodate multi-quality carbon fibers.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a multi-temperature-section carbon fiber low-temperature pre-oxygen kiln furnace to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a multi-temperature-section carbon fiber low-temperature pre-oxidation kiln comprises a cooling water tank, wherein a water inlet is fixedly connected to the top of one side of the cooling water tank, an exhaust pipe is fixedly connected to one side of the cooling water tank, a water outlet is fixedly connected to the bottom of the other side of the cooling water tank, the middle of the top end of the cooling water tank is fixedly connected with the middle of the outer wall of an L-shaped air inlet pipe, an air blower is fixedly connected to the inner wall of one end of the L-shaped air inlet pipe, the middle of the outer wall of the L-shaped air inlet pipe is fixedly connected with one end of the outer wall of a first gas transportation pipe, the other end of the outer wall of the first gas transportation pipe is connected with one end of the inner wall of a second gas transportation pipe in an inserting manner, one end of the outer wall of the second gas transportation pipe is connected with one end of the inner wall of a third gas transportation pipe in an inserting manner, a heater is fixedly connected to the central shaft of one side of the third gas transportation pipe, a first limit groove is formed in the middle of one side of the heater, the inner wall of the first limiting groove is connected with one end of the outer wall of the carbon fiber tow pipe in an inserting mode.
Preferably, an air inlet groove is formed in the middle of the top end of the first gas conveying pipe, a cylindrical connecting groove is formed in the middle of one side of the first gas conveying pipe, two sides of the inner wall of the cylindrical connecting groove are fixedly connected with two sides of the first partition plate respectively, and a second limiting groove is formed in the front face of the first partition plate.
Preferably, the inner wall of the second limiting groove is fixedly connected with the other end of the outer wall of the carbon fiber tow pipe.
Preferably, two sides of the inner wall of the second gas conveying pipe are fixedly connected with two sides of the two second partition plates respectively, and one end of one corresponding side of the two second partition plates is slidably connected with one end of the top end and one end of the bottom of the first partition plate respectively.
Preferably, one end of each of two sides of the inner wall of the third gas transport pipe is fixedly connected with two sides of the two third partition plates, and the bottom end of one corresponding side of the two third partition plates is slidably connected with one end of one side of the second partition plate, which deviates from each other.
Preferably, a switch panel is fixedly connected to one corner of the top end of the cooling water tank, an air blower switch and a heater switch are fixedly arranged on the surface of the switch panel respectively, the air blower is electrically connected with an external power supply through the air blower switch, and the heater is electrically connected with the external power supply through the heater switch.
The utility model has the technical effects and advantages that:
(1) the multi-temperature-section carbon fiber low-temperature pre-oxidation pit furnace has the advantages that the heater and the air blower are started, the multi-temperature-section low-temperature pre-oxidation can be carried out on carbon fibers in the carbon fiber tow pipe, the degree of the low-temperature-section low-temperature pre-oxidation of the low-carbon fibers can be changed by sliding the second gas conveying pipe and the third gas conveying pipe, and the multi-temperature-section carbon fiber low-temperature pre-oxidation pit furnace can be adjusted according to the quality of the carbon fibers, so that the carbon fibers can achieve the best effect during processing, the problem that the multi-temperature-section low-temperature pre-oxidation of the multi-temperature-section carbon fiber low-temperature pre-oxidation pit furnace is certain in effect, the multi-temperature-section low-temperature pre-oxidation of the low-oxidation pit furnace cannot be adjusted according to the quality of the carbon fibers, and the problem that the multi-quality carbon fibers cannot be adapted is solved;
(2) this multi-temperature section carbon fiber low temperature pre-oxidation kiln is through the slip of second baffle on first baffle, and the slip of third baffle on the second baffle for when the gaseous transport pipe of second slides with the gaseous transport pipe of third, can play certain supplementary supporting role, thereby carry out multi-temperature section carbon fiber low temperature pre-oxidation's stability after the gaseous transport pipe of increase second slides with the gaseous transport pipe of third.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the interior of a first gas transport tube according to the present invention;
FIG. 3 is a schematic view of a first gas transport tube configuration of the present invention;
FIG. 4 is a schematic view of a second gas transport tube according to the present invention;
FIG. 5 is a schematic view of a third gas transport tube configuration of the present invention.
In the figure: 1. a first gas transport tube; 2. a cylindrical connecting groove; 3. a first separator; 4. a second limit groove; 5. a second gas transport pipe; 6. a second separator; 7. a third gas transport pipe; 8. a heater; 9. A first limit groove; 10. a carbon fiber tow tube; 11. an L-shaped air inlet pipe; 12. a blower; 13. a cooling water tank; 14. an exhaust pipe; 15. a water inlet; 16. a water outlet; 17. an air inlet groove; 18. a third partition plate; 19. a switch panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a multi-temperature-section carbon fiber low-temperature pre-oxidation kiln as shown in figures 1-5, which comprises a cooling water tank 13, wherein the top of one side of the cooling water tank 13 is fixedly connected with a water inlet 15, the bottom of one side of the cooling water tank 13 is fixedly connected with an exhaust pipe 14, the bottom of the other side of the cooling water tank 13 is fixedly connected with a water outlet 16, the middle of the top end of the cooling water tank 13 is fixedly connected with the middle of the outer wall of an L-shaped air inlet pipe 11, the L-shaped air inlet pipe 11 is communicated with the exhaust pipe 14 in the cooling water tank 13, the inner wall of one end of the L-shaped air inlet pipe 11 is fixedly connected with an air blower 12, the middle of the outer wall of the L-shaped air inlet pipe 11 is fixedly connected with one end of the outer wall of a first gas conveying pipe 1, the other end of the outer wall of the first gas conveying pipe 1 is connected with one end of the inner wall of a second gas conveying pipe 5 in an inserting way, one end of the outer wall of the second gas conveying pipe 5 is connected with one end of the inner wall of a third gas conveying pipe 7 in an inserting way, a heater 8 is fixedly connected to the central shaft of one side of the third gas conveying pipe 7, a first limiting groove 9 is formed in the middle of one side of the heater 8, and the inner wall of the first limiting groove 9 is connected with one end of the outer wall of the carbon fiber tow pipe 10 in an inserting mode;
the utility model provides a multi-temperature-section carbon fiber low-temperature pre-oxidation kiln as shown in figures 2-5, wherein an air inlet groove 17 is formed in the middle of the top end of a first gas conveying pipe 1, a cylindrical connecting groove 2 is formed in the middle of one side of the first gas conveying pipe 1, two sides of the inner wall of the cylindrical connecting groove 2 are fixedly connected with two sides of a first partition plate 3 respectively, the first partition plate 3 can enable hot air blown out by a blower 12 to flow from the top end of the first partition plate 3, the first partition plate 3 is made of a heat conducting material and does not influence the carbon fiber low-temperature pre-oxidation, a second limiting groove 4 is formed in the front surface of the first partition plate 3, the inner wall of the second limiting groove 4 is fixedly connected with the other end of the outer wall of a carbon fiber tow pipe 10, two sides of the inner wall of the second gas conveying pipe 5 are fixedly connected with two sides of two second partition plates 6 respectively, the two second partition plates 6 are made of a heat conducting material and do not influence the carbon fiber low-temperature pre-oxidation, the one end of the corresponding one side of two second baffles 6 respectively with the one end on 3 tops of first baffle and the one end sliding connection of bottom, the one end of the corresponding one side of third gaseous transport pipe 7 inner wall both sides respectively with the both sides fixed connection of two third baffles 18, two third baffles 18 are the heat conduction material, and do not influence carbon fiber low temperature preoxidation, the bottom of the corresponding one side of two third baffles 18 respectively with the one end sliding connection of the second baffle 6 one side that deviates from each other, one corner position department fixedly connected with flush mounting plate 19 on cooling water tank 13 top, flush mounting plate 19's surface is fixed respectively and is equipped with air-blower switch and heater switch, air-blower 12 passes through air-blower switch and external power supply electric connection, heater 8 passes through heater switch and external power supply electric connection.
The working principle of the utility model is as follows: the blower 12 and the heater 8 are started by the switch panel 19, so that the blower 12 gradually blows the gas heated by the heater 8 into the L-shaped air inlet pipe 11 in the cooling water tank and then is discharged from the air outlet pipe 14, the generated tar is cooled in the cooling water tank 13, can be collected, when the low-temperature pre-oxidation kiln needs to carry out multi-section low-temperature pre-oxidation carbon fiber, the second gas conveying pipe 5 and the third gas conveying pipe 7 are slid, the heater 8 can be driven to slide on one end of the outer wall of the carbon fiber tow pipe 10, the second gas conveying pipe 5 drives the two second partition boards 6 to slide on the first partition board 3 in the first gas conveying pipe 1 after sliding, the third gas conveying pipe 7 drives the two third partition boards 18 to slide on the two second partition boards 6 after sliding, so that the blower 12 can drive hot air to flow, and the adjustment of the multi-temperature-section low-temperature pre-oxidation of the carbon fiber on the device is realized.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used by the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a multi-temperature section carbon fiber low temperature pre-oxidation kiln, includes cooling water tank (13), its characterized in that, the top fixedly connected with water inlet (15) of cooling water tank (13) one side, the fixedly connected with blast pipe (14) of cooling water tank (13) one side, the bottom fixedly connected with delivery port (16) of cooling water tank (13) opposite side, the centre of cooling water tank (13) top and the centre fixed connection of L shape intake pipe (11) outer wall, the inner wall fixedly connected with air-blower (12) of L shape intake pipe (11) one end, the centre and the one end fixed connection of first gas transport pipe (1) outer wall of L shape intake pipe (11) outer wall, the other end and the one end interlude of second gas transport pipe (5) inner wall of first gas transport pipe (1) outer wall are connected, the one end and the one end interlude of third gas transport pipe (7) inner wall of second gas transport pipe (5) outer wall are connected, the central shaft of third gas transport pipe (7) one side department fixedly connected with heater (8), first spacing groove (9) have been seted up to the centre of heater (8) one side, the inner wall of first spacing groove (9) and the one end interlude of carbon fiber tow pipe (10) outer wall are connected.
2. The multi-temperature-section carbon fiber low-temperature pre-oxidation kiln as claimed in claim 1, wherein an air inlet groove (17) is formed in the middle of the top end of the first gas conveying pipe (1), a cylindrical connecting groove (2) is formed in the middle of one side of the first gas conveying pipe (1), two sides of the inner wall of the cylindrical connecting groove (2) are fixedly connected with two sides of the first partition plate (3) respectively, and a second limiting groove (4) is formed in the front face of the first partition plate (3).
3. The kiln furnace for the low-temperature pre-oxidation of the multi-temperature-section carbon fibers as claimed in claim 2, wherein the inner wall of the second limiting groove (4) is fixedly connected with the other end of the outer wall of the carbon fiber tow tube (10).
4. The multi-temperature-section carbon fiber low-temperature pre-oxidation kiln as claimed in claim 2, wherein two sides of the inner wall of the second gas conveying pipe (5) are fixedly connected with two sides of the two second partition plates (6) respectively, and one end of one side of the two second partition plates (6) corresponding to each other is slidably connected with one end of the top end and one end of the bottom of the first partition plate (3) respectively.
5. The multi-temperature-section carbon fiber low-temperature pre-oxidation kiln as claimed in claim 1, wherein one end of each of two sides of the inner wall of the third gas transport pipe (7) is fixedly connected with two sides of the two third partition plates (18), and the bottom end of one side of the corresponding one of the two third partition plates (18) is slidably connected with one end of one side of the second partition plate (6) which deviates from each other.
6. The multi-temperature-section carbon fiber low-temperature pre-oxidation kiln as claimed in claim 1, wherein a switch panel (19) is fixedly connected to one corner of the top end of the cooling water tank (13), an air blower switch and a heater switch are respectively fixedly arranged on the surface of the switch panel (19), the air blower (12) is electrically connected with an external power supply through the air blower switch, and the heater (8) is electrically connected with the external power supply through the heater switch.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121158027.5U CN215887336U (en) | 2021-05-27 | 2021-05-27 | Multi-temperature-section carbon fiber low-temperature pre-oxidation kiln furnace |
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| CN202121158027.5U CN215887336U (en) | 2021-05-27 | 2021-05-27 | Multi-temperature-section carbon fiber low-temperature pre-oxidation kiln furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114717689A (en) * | 2022-04-20 | 2022-07-08 | 南通多盈时装有限公司 | Activated carbon fiber low-temperature pre-oxidation equipment |
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2021
- 2021-05-27 CN CN202121158027.5U patent/CN215887336U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114717689A (en) * | 2022-04-20 | 2022-07-08 | 南通多盈时装有限公司 | Activated carbon fiber low-temperature pre-oxidation equipment |
| CN114717689B (en) * | 2022-04-20 | 2023-06-02 | 宁波益铸智能科技有限公司 | Low-temperature pre-oxidation equipment for activated carbon fibers |
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