CN204661884U - A kind of pre-oxidation furnace - Google Patents
A kind of pre-oxidation furnace Download PDFInfo
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- CN204661884U CN204661884U CN201520069759.5U CN201520069759U CN204661884U CN 204661884 U CN204661884 U CN 204661884U CN 201520069759 U CN201520069759 U CN 201520069759U CN 204661884 U CN204661884 U CN 204661884U
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- oxidation furnace
- humidifier tube
- heater shell
- connecting pipe
- damping device
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Abstract
The utility model discloses a kind of pre-oxidation furnace, comprise body of heater shell, roller, circulating fan and air exhauster, described circulating fan is connected with body of heater shell by connecting pipe with air exhauster, stove end damping device is provided with at the two ends of body of heater shell, stove end damping device inside is provided with humidifier tube, humidifier tube is provided with and adds wet hole, and humidifier tube is connected with humidification liquid basin by connecting pipe.The utility model is provided with stove end damping device at pre-oxidation furnace two ends, in pre-oxidation production process, the mechanical friction damage of carbon fiber can be greatly reduced, greatly reduce the lousiness amount of carbon fiber surface, the oxidization fiber of this pre-oxidation furnace pre-oxidation carbon fibre precursor gained, substantially without skin-core structure or there is extremely slight skin-core structure, have great raising through its TENSILE STRENGTH of carbon fiber prepared by the charing of this oxidization fiber and tensile modulus of elasticity, carbon fiber is easy fracture not.
Description
Technical field
The utility model relates to carbon fibre producing facility field, is specifically related to a kind of pre-oxidation furnace.
Background technology
Middle and later periods in 20th century, carbon fiber, using it as the excellent properties of fibre reinforced composites, starts to be used widely in the field such as aerospace, sports goods.Carbon fibre manufacturing processes comprises the steps such as pre-oxidation, charing, surface treatment, and each step all has important impact to the quality of carbon fiber.The carbon fiber of high-performance, high-quality, requires the good homogeneity of the property retention of product and stability.For production high-performance carbon fibre, in production process, material property and each step working condition of homogeneity, pre-oxidation and charing thereof and production equipment is stable, all directly decides the height of the final performance of carbon fiber product.
And the key equipment of pre-oxidation is exactly pre-oxidation furnace.Because the double diffusion process that carbon fibre precursor is solidifying fibroblast is from outward appearance to inner essence, therefore just there is slight skin-core structure in itself; And existing pre-oxidation furnace also from outward appearance to inner essence carries out in preoxidation process, therefore preoxidation process can make skin-core structure aggravate, the skin-core structure of oxidization fiber finally can cause the mechanical property of carbon fiber also from outward appearance to inner essence progressively to decline, and the mechanical property of carbon fiber is lower on the whole.
Patent CN201193260Y discloses a kind of pre-oxidation furnace, be provided with base, roller, discharge duct, circulating fan, return air duct and air supply line, but this patent mainly solves is existing oxidation furnace poor sealing, the problem of isothermal region inequality, not mentioned to the improvement of oxidization fiber skin-core structure.
Utility model content
The purpose of this utility model is the deficiency overcoming the existence of above-mentioned pre existing oxidation furnace, a kind of pre-oxidation furnace is provided, the oxidization fiber of this pre-oxidation furnace pre-oxidation carbon fibre precursor gained, substantially without skin-core structure or there is extremely slight skin-core structure, have great raising through its TENSILE STRENGTH of carbon fiber prepared by the charing of this oxidization fiber and tensile modulus of elasticity, carbon fiber is easy fracture not.
The utility model is achieved through the following technical solutions:
A kind of pre-oxidation furnace, comprises body of heater shell, roller, circulating fan and air exhauster, described circulating fan and air exhauster
Be connected with body of heater shell by connecting pipe, it is characterized in that, be provided with stove end damping device at the two ends of body of heater shell, stove end damping device inside is provided with humidifier tube, and humidifier tube is provided with and adds wet hole, and humidifier tube is connected with humidification liquid basin by connecting pipe.
Preferably, described humidifier tube is one or more, is provided with dividing plate between each humidifier tube, and every bar humidifier tube is equipped with controlled valve.
The bottom of described dividing plate and stove end damping device is provided with waste liquid outlet, and residual humidification liquid is progressively discharged by waste liquid outlet.
Preferably, described body of heater shell is hexahedron structure.
Be provided with drying box between described stove end damping device and body of heater shell, a drying box is respectively established at preferred body of heater shell two ends.
Preferably, described circulating fan is two, and the both sides laying respectively at body of heater shell are diagonal distribution.
Described air exhauster is positioned in the middle part of body of heater housing top end.
Preferably, also ultrasonic ultrasonic delay line memory is provided with between described humidifier tube and humidification liquid basin, humidifier tube is connected with ultrasonic ultrasonic delay line memory by connecting pipe, ultrasonic ultrasonic delay line memory is connected with humidification liquid basin by connecting pipe again, and the connecting pipe between described ultrasonic ultrasonic delay line memory and humidification liquid basin is provided with tubing pump.
The utility model compared with prior art, has following beneficial effect:
1, the utility model is provided with stove end damping device at pre-oxidation furnace two ends, in pre-oxidation production process, after its humidification, carbon fibre precursor and oxidization fiber are lubricated by humidification liquid, greatly reduce the mechanical friction damage of carbon fiber in pre-oxidation production process, finally greatly reduce the lousiness amount of carbon fiber surface, improve its tensile property;
2, the utility model is provided with stove end damping device at pre-oxidation furnace two ends, in pre-oxidation production process, carbon fibre precursor and oxidization fiber are after humidification, humidification liquid is due to the high temperature meeting volatilization fast in pre-oxidation furnace, a large amount of micro-pores can be left in carbon fibre precursor and oxidization fiber during its volatilization, hot-air in pre-oxidation furnace by this slightly pore to enter carbon fibre precursor and oxidization fiber inner, thus by outer and interior, uniform pre-oxidation is carried out to carbon fibre precursor and oxidization fiber, considerably reduce the formation of oxidization fiber skin-core structure, finally make preoxidation degree inside and outside oxidization fiber homogeneous, substantially without skin-core structure or there is extremely slight skin-core structure, also inside and outside performance is homogeneous for the oxidization fiber carbon fiber of preparing gained thus, its TENSILE STRENGTH and tensile modulus of elasticity all have great raising on the whole, carbon fiber is easy fracture not.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of pre-oxidation furnace of the utility model.
Fig. 2 is the structural representation of the another kind of pre-oxidation furnace of the utility model;
Wherein, 1-body of heater shell, 2-roller, 3-stove end damping device, 4-circulating fan, 5-air exhauster, 6-humidifier tube, 7-adds wet hole, 8-tubing pump, 9-humidification liquid basin, 10-connecting pipe, 11-waste liquid outlet, 12-dividing plate, 13-controlled valve, 14-drying box, 15-ultrasonic ultrasonic delay line memory.
Detailed description of the invention
Further illustrate the utility model below by detailed description of the invention, following examples are the utility model preferably embodiment, but embodiment of the present utility model is not by the restriction of following embodiment.
embodiment 1
As shown in Figure 1, a kind of pre-oxidation furnace, comprise body of heater shell 1, roller 2 and two stove end damping devices 3, stove end damping device 3 is positioned at the two ends of body of heater shell 1, be provided with humidifier tube 6 in stove end damping device 3, humidifier tube 6 is provided with and adds wet hole 7, and humidifier tube 6 is connected with tubing pump 8 by connecting pipe 10, tubing pump 8 is connected with humidification liquid basin 9 by connecting pipe 10, and connecting pipe 10 is provided with controlled valve 13.
During use, by shower humidification method, humidifier tube 6 is positioned at the top of every layer of tow, and humidification liquid carries out shower humidification to fiber from top to bottom by adding wet hole 7.
Be equipped with dividing plate 12 between each humidifier tube 6 to separate, the bottom of dividing plate 12 and stove end damping device 3 is provided with waste liquid outlet 11, and residual humidification liquid is progressively discharged by waste liquid outlet 11.
Be provided with drying box 14 between stove end damping device 3 and body of heater shell 1, body of heater shell two ends respectively have one.
The pre-oxidation furnace of the present embodiment, also comprise two circulating fans 4 and 1 air exhauster 5, the both sides that two circulating fans 4 are positioned at body of heater shell 1 are diagonal distribution, circulating fan 4 is connected with body of heater shell 1 by connecting pipe 10, air exhauster 5 is positioned at body of heater shell 1 top middle portion, and air exhauster 5 is connected with body of heater shell 1 by connecting pipe 10.
embodiment 2
As shown in Figure 2, a kind of pre-oxidation furnace, comprise body of heater shell 1, roller 2 and two stove end damping devices 3, stove end damping device 3 is positioned at the two ends of body of heater shell 1, be provided with humidifier tube 6 in stove end damping device 3, humidifier tube 6 is provided with and adds wet hole 7, and humidifier tube 6 is connected with ultrasonic ultrasonic delay line memory 15 by connecting pipe 10, ultrasonic ultrasonic delay line memory 15 is connected with tubing pump 8 by connecting pipe 10, and tubing pump 8 is connected with humidification liquid basin 9 by connecting pipe 10.
Be equipped with dividing plate 12 between each humidifier tube to separate, the bottom of dividing plate 12 and stove end damping device 3 is provided with waste liquid outlet 11, and residual humidification liquid is progressively discharged by waste liquid outlet 11.
During use, by Ultrasonic atomization humidification method, humidifier tube 6 is positioned at the below of every layer of tow, and the humidification liquid droplet through ultrasonic ultrasonic delay line memory atomization to be full of the space of each layer fibre bundle process from bottom to up by humidifier tube 6, carry out humidification to fiber.
Be provided with drying box 14 between stove end damping device 3 and body of heater shell 1, body of heater shell two ends respectively have one.
The pre-oxidation furnace of the present embodiment, also comprising the both sides that two circulating fans 4 and 1 air exhauster, 5, two circulating fans 4 are positioned at body of heater shell 1 is diagonal distribution, and circulating fan 4 is connected with body of heater shell 1 by connecting pipe 10; Air exhauster 5 is positioned at top middle portion, and air exhauster 5 is connected with body of heater shell 1 by connecting pipe 10.
Claims (9)
1. a pre-oxidation furnace, comprises body of heater shell, roller, circulating fan and air exhauster, described circulating fan and air exhauster
Be connected with body of heater shell by connecting pipe, it is characterized in that, be provided with stove end damping device at the two ends of body of heater shell, stove end damping device inside is provided with humidifier tube, and humidifier tube is provided with and adds wet hole, and humidifier tube is connected with humidification liquid basin by connecting pipe.
2. pre-oxidation furnace according to claim 1, is characterized in that: the connecting pipe between described humidifier tube and humidification liquid basin is provided with tubing pump.
3. pre-oxidation furnace according to claim 1, is characterized in that: described humidifier tube is one or more, is provided with dividing plate between each humidifier tube, and every bar humidifier tube is equipped with controlled valve.
4. pre-oxidation furnace according to claim 3, is characterized in that: the bottom of described dividing plate and stove end damping device is provided with waste liquid outlet.
5. pre-oxidation furnace according to claim 1, is characterized in that: described body of heater shell is hexahedron structure.
6. pre-oxidation furnace according to claim 1, is characterized in that: be provided with drying box between described stove end damping device and body of heater shell.
7. pre-oxidation furnace according to claim 1, is characterized in that: described circulating fan is two, and the both sides laying respectively at body of heater shell are diagonal distribution.
8. pre-oxidation furnace according to claim 1, is characterized in that: described air exhauster is positioned in the middle part of body of heater housing top end.
9. pre-oxidation furnace according to claim 1, it is characterized in that: between described humidifier tube and humidification liquid basin, be also provided with ultrasonic ultrasonic delay line memory, humidifier tube is connected with ultrasonic ultrasonic delay line memory by connecting pipe, ultrasonic ultrasonic delay line memory is connected with humidification liquid basin by connecting pipe again, and the connecting pipe between described ultrasonic ultrasonic delay line memory and humidification liquid basin is provided with tubing pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520069759.5U CN204661884U (en) | 2015-02-02 | 2015-02-02 | A kind of pre-oxidation furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520069759.5U CN204661884U (en) | 2015-02-02 | 2015-02-02 | A kind of pre-oxidation furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204661884U true CN204661884U (en) | 2015-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520069759.5U Withdrawn - After Issue CN204661884U (en) | 2015-02-02 | 2015-02-02 | A kind of pre-oxidation furnace |
Country Status (1)
| Country | Link |
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| CN (1) | CN204661884U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104674380A (en) * | 2015-02-02 | 2015-06-03 | 广州金发碳纤维新材料发展有限公司 | Pre-oxidation furnace |
| CN107164843A (en) * | 2017-05-31 | 2017-09-15 | 南通不二环境科技有限公司 | A kind of carbon fiber pre-oxidation furnace |
-
2015
- 2015-02-02 CN CN201520069759.5U patent/CN204661884U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104674380A (en) * | 2015-02-02 | 2015-06-03 | 广州金发碳纤维新材料发展有限公司 | Pre-oxidation furnace |
| CN104674380B (en) * | 2015-02-02 | 2016-08-10 | 广州金发碳纤维新材料发展有限公司 | A kind of pre-oxidation furnace |
| CN107164843A (en) * | 2017-05-31 | 2017-09-15 | 南通不二环境科技有限公司 | A kind of carbon fiber pre-oxidation furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150923 Effective date of abandoning: 20160810 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |