CN105463630A - Carbon fiber production equipment - Google Patents
Carbon fiber production equipment Download PDFInfo
- Publication number
- CN105463630A CN105463630A CN201610020220.XA CN201610020220A CN105463630A CN 105463630 A CN105463630 A CN 105463630A CN 201610020220 A CN201610020220 A CN 201610020220A CN 105463630 A CN105463630 A CN 105463630A
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- Prior art keywords
- tow
- process chamber
- oxidation furnace
- furnace
- carbon fiber
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
- D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
- D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
- D01F9/32—Apparatus therefor
- D01F9/328—Apparatus therefor for manufacturing filaments from polyaddition, polycondensation, or polymerisation products
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
- D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
- D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
- D01F9/20—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products
- D01F9/21—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F9/22—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyacrylonitriles
Abstract
Carbon fiber production equipment is characterized by comprising a tow creel, a dipping tank, a pre-oxidation furnace, a carbonized oven and a surface treatment furnace.
Description
the application is application number is 2012104532978, and denomination of invention is a kind of polyacrylonitrile-based carbon fibre production equipment, and the applying date is the divisional application of the application for a patent for invention on November 13rd, 2012.
technical field:
The present invention relates to a kind of carbon fiber, particularly relate to a kind of polyacrylonitrile-based carbon fibre production equipment.
background technology:
Carbon fiber is the new chemical materials with high strength, high-modulus, high temperature resistant, corrosion-resistant, conduction and the excellent properties such as heat conduction, insoluble not swollen in organic solvent, acid, alkali, corrosion resistance is transcendent, there is the strong stretching resistance of material with carbon element and fiber softening machinability, density is less than 1/4 of steel, tensile strength is but 7 ~ 9 times of steel, and tensile elastic is also higher than steel.Carbon fibre composite is widely used in the rocket of aerospace, guided missile and high-speed aircraft, chemical machinery, the vehicles, sports apparatus, weaving and medical domain.
According to mechanical property, carbon fiber is divided into universal (CP) carbon fiber and high-performance type (HP) carbon fiber; According to manufacture raw material, carbon fiber is divided into polyacrylonitrile-based carbon fibre (PAN-CF), asphalt base carbon fiber and viscose glue base (fiber base) carbon fiber.Wherein, PAN-CF production Technology is relatively simple and ripe, and product combination property is better, and production cost is lower, and be the main product that Industry of Carbon Fiberization is produced, its output accounts for 90% of Global Carbon fiber total output.
In prior art the growth technique of polyacrylonitrile-based carbon fibre be polyacrylonitrile-based precursor in atmosphere 200-300 DEG C through pre-oxidation, then in inert gas, charing/graphitization, surface treatment obtain carbon fiber.The complex manufacturing of carbon fiber, equipment is various, and each operation all has influence on the performance of carbon fiber.Precursor pre-oxidation plays effect, the surface size process of taking over from the past and setting a new course for the future also directly affects this fibre property.China started to develop carbon fiber from the sixties in 20th century, but there is larger gap with the development of external Carbon Fiber Technology, and trace it to its cause except polymer raw does not pass a test, equipment and manufacturing technique all there are differences in advanced technology.
summary of the invention:
The technical problem to be solved in the present invention is the deficiency for above-mentioned prior art, provides a kind of polyacrylonitrile-based carbon fibre production equipment and technique.
A kind of polyacrylonitrile-based carbon fibre production equipment provided by the invention, is characterized in that: comprise tow creel, dipping tank, pre-oxidation furnace, carbide furnace, surface treatment stove.
Polyacrylonitrile-based precursor tow is placed on tow creel, raw tow on multiple tow dish is formed large pencil by filling the dipping tank of chemical bath, tow enters process chamber subsequently, enter pre-oxidation furnace, carbide furnace by process chamber again and import surface treatment stove through two conductive rollers, finally being reeled by two conductive rollers derivation, coiler device again.
Described conductive rollers is connected with the current feedback circuit of externally fed, by exporting pulse current or constant current with the contact of carbon fiber to carbon fiber; Described process chamber is positioned at below pre-oxidation furnace, by thin plate, the temperature conduction in pre-oxidation furnace is entered process chamber.
Described pre-oxidation furnace skin is uniformly distributed electric heating tube, be connected with the attemperating unit that temperature step formula can be risen, described surface treatment stove, in body of heater, lateral arrangement has ultraviolet reflection plate, equally distributed quartz burner, ozone ingress pipe, is uniformly distributed electric heating tube and is enclosed with heat-insulation layer outside body of heater; Ozone generating-device comprises drying tower, flowmeter and ozone generator for removing the moisture in oxygenous gas, ozone generator by with closed gas container, be arranged on quartz burner in closed gas container and starter, power supply, current limiter form.
Preferably, described chemical bath is the ammonium sulfate of 1.5-5.0wt%.
Preferably, in described pre-oxidation furnace, temperature is warmed up to 150-200 DEG C with the speed of 50-70 DEG C/min, and then is warmed up to 300-350 DEG C with the speed of 15-20 DEG C/min, and the fiber treatment time is 7-8min.
Preferably, described multiple tow dish is 4-6.
Preferably, described pre-oxidation furnace contacts with air with fiber in process chamber.
Preferably, described carbonization in-furnace temperature is 1200-2000 DEG C, is inert gas atmosphere; More preferably inert gas is nitrogen, helium.
Preferably, in described pre-oxidation furnace and carbide furnace, fiber transfer guide roller adopts the longitudinal alternative form of horizontal alternation sum respectively, to make fiber obtain different force way, improves the performance of fiber.
By being connected with pre-oxidation room by process chamber, by the temperature conduction of pre-oxidation room in process chamber, making fiber first low-temperature prewarming before pre-oxidation, improving the strength and modulus performance of fiber.
A kind of polyacrylonitrile-based carbon fibre production technology using the said equipment, it is characterized in that: polyacrylonitrile-based precursor tow is placed on tow creel, raw tow on multiple tow dish is formed large pencil by filling the dipping tank of the chemical bath of the ammonium sulfate of 1.5-5.0wt%, tow enters process chamber subsequently, enter pre-oxidation furnace, carbide furnace by process chamber again and import surface treatment stove through two conductive rollers, finally being reeled by two conductive rollers derivation, coiler device again; Described temperature is warmed up to 150-200 DEG C with the speed of 50-70 DEG C/min, and then is warmed up to 300-350 DEG C with the speed of 15-20 DEG C/min, and the fiber treatment time is 7-8min, and surface treatment stove treatment temperature is 75-120 DEG C, time 150-300s.
Preferably, described multiple tow dish is 4-6.
Preferably, the drawing-off of 4-7 root deflector roll is adopted in described pre-oxidation furnace.
Preferably, described carbonization in-furnace temperature is 1200-2000 DEG C, is inert gas atmosphere; More preferably inert gas is nitrogen, helium.
Preferably, described pre-oxidation furnace contacts with air with fiber in process chamber.
In addition, process of the present invention also will obtain a kind of polyacrylonitrile-based carbon fibre of good performance.
The beneficial effect of a kind of polyacrylonitrile-based carbon fibre provided by the invention is: effectively improve fibre property, easy and simple to handle.
accompanying drawing explanation:
Fig. 1 is the front view of polyacrylonitrile-based carbon fibre production equipment of the present invention.
Fig. 2 is the schematic diagram of surface treatment stove.
Fig. 3 is the surface treatment stove schematic cross-section of embodiment 2.
Wherein Reference numeral 1-tow creel; 2-dipping tank; 3-process chamber; 4-pre-oxidation furnace; 5-carbide furnace; 6-conductive rollers; 7-surface treatment stove; 8-heat-insulation layer; 9-electric heating tube; 10-ultraviolet reflection plate; 11-quartz burner.
detailed description of the invention:
Now by reference to the accompanying drawings the present invention is described further.
Embodiment 1
As Fig. 1 shows a kind of polyacrylonitrile-based carbon fibre production equipment provided by the present invention, comprise tow creel, dipping tank, pre-oxidation furnace, carbide furnace, surface treatment stove, it is characterized in that: polyacrylonitrile-based precursor tow is placed on tow creel, raw tow on multiple tow dish is formed large pencil by filling the dipping tank of chemical bath, tow enters process chamber subsequently, pre-oxidation furnace is entered again by process chamber, carbide furnace, and import surface treatment stove through two conductive rollers, last again by two conductive rollers derivation, coiler device reels, surface treatment stove and ozone generating-device, described conductive rollers is connected with the current feedback circuit of externally fed, by exporting pulse current or constant current with the contact of carbon fiber to carbon fiber, described process chamber is positioned at below pre-oxidation furnace, by thin plate, the temperature conduction in pre-oxidation furnace is entered process chamber, described pre-oxidation furnace skin is uniformly distributed electric heating tube, be connected with the attemperating unit that temperature step formula can be risen, described surface treatment stove, in body of heater, lateral arrangement has ultraviolet reflection plate, quartz burner, ozone ingress pipe, is uniformly distributed electric heating tube and is enclosed with heat-insulation layer outside body of heater.
Described chemical bath is the ammonium sulfate of 1.5-5.0wt%.
In described pre-oxidation furnace, temperature is warmed up to 150-200 DEG C with the speed of 50-70 DEG C/min, and then is warmed up to 300-350 DEG C with the speed of 15-20 DEG C/min, and the fiber treatment time is 7-8min.Down cycles carries out this step.
Described multiple tow dish is 4-6.
Described pre-oxidation furnace contacts with air with fiber in process chamber.
Described carbonization in-furnace temperature is 1200-2000 DEG C, is inert gas atmosphere, and inert gas is nitrogen, helium.
Embodiment 2
Surface treatment stove adopts cylinder form, in body of heater, lateral arrangement has laterally zygomorphic ultraviolet reflection plate, respectively be uniformly distributed the ozone ingress pipe that each side to distribute in the middle part of 4-6 root quartz burner, body of heater up and down, be uniformly distributed electric heating tube outside body of heater and be enclosed with heat-insulation layer.
Embodiment 3
A kind of polyacrylonitrile-based carbon fibre production technology using the said equipment, it is characterized in that: polyacrylonitrile-based precursor tow is placed on tow creel, raw tow on multiple tow dish is formed large pencil by filling the dipping tank of the chemical bath of the ammonium sulfate of 1.5-5.0wt%, tow enters process chamber subsequently, enter pre-oxidation furnace, carbide furnace by process chamber again and import surface treatment stove through two conductive rollers, finally being reeled by two conductive rollers derivation, coiler device again; In described pre-oxidation furnace, temperature is warmed up to 150-200 DEG C with the speed of 50-70 DEG C/min, and then is warmed up to 300-350 DEG C with the speed of 15-20 DEG C/min, and the fiber treatment time is 7-8min, and surface treatment stove treatment temperature is 75-120 DEG C, time 150-300s.
Described multiple tow dish is 4-6.
The drawing-off of 4-7 root deflector roll is adopted in described pre-oxidation furnace.
Described carbonization in-furnace temperature is 1200-2000 DEG C, is inert gas atmosphere; More preferably inert gas is nitrogen, helium.
Described pre-oxidation furnace contacts with air with fiber in process chamber.
The carbon fiber performance adopting present device and technique to obtain is enumerated in table 1
Table 1
| Surface treatment furnace temperature DEG C | Carbide furnace temperature DEG C | Carbon fiber strength (gpa) | Modulus of carbon fibres (gpa) |
| 75 | 1200 | 3.7 | 210 |
| 100 | 1500 | 3.6 | 215 |
| 120 | 1800 | 4 | 250 |
| 80 | 2000 | 4 | 260 |
Certainly, the above is only preferred embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in patent claim of the present invention change or modify, and are included in patent claim of the present invention.
Claims (3)
1. a carbon fibre producing facility, is characterized in that: comprise tow creel, dipping tank, pre-oxidation furnace, carbide furnace, surface treatment stove.
2. carbon fibre producing facility as claimed in claim 1, it is characterized in that: polyacrylonitrile-based precursor tow is placed on tow creel, raw tow on multiple tow dish is formed large pencil by filling the dipping tank of chemical bath, tow enters process chamber subsequently, enter pre-oxidation furnace, carbide furnace by process chamber again and import surface treatment stove through two conductive rollers, finally being reeled by two conductive rollers derivation, coiler device again; Described conductive rollers is connected with the current feedback circuit of externally fed, by exporting pulse current or constant current with the contact of carbon fiber to carbon fiber; Described process chamber is positioned at below pre-oxidation furnace, by thin plate, the temperature conduction in pre-oxidation furnace is entered process chamber; Described pre-oxidation furnace skin is uniformly distributed electric heating tube, be connected with the attemperating unit that temperature step formula can be risen, described surface treatment stove, in body of heater, lateral arrangement has ultraviolet reflection plate, equally distributed quartz burner, ozone ingress pipe, is uniformly distributed electric heating tube and is enclosed with heat-insulation layer outside body of heater; Ozone generating-device comprises drying tower, flowmeter and ozone generator for removing the moisture in oxygenous gas, ozone generator by with closed gas container, be arranged on quartz burner in closed gas container and starter, power supply, current limiter form.
3. carbon fibre producing facility as claimed in claim 2, is characterized in that: described chemical bath is the ammonium sulfate of 1.5-5.0wt%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610020220.XA CN105463630B (en) | 2012-11-13 | 2012-11-13 | Carbon fibre producing facility |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610020220.XA CN105463630B (en) | 2012-11-13 | 2012-11-13 | Carbon fibre producing facility |
| CN201210453297.8A CN102912477B (en) | 2012-11-13 | 2012-11-13 | A kind of polyacrylonitrile-based carbon fibre produces equipment |
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| CN201210453297.8A Division CN102912477B (en) | 2012-11-13 | 2012-11-13 | A kind of polyacrylonitrile-based carbon fibre produces equipment |
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| CN105463630A true CN105463630A (en) | 2016-04-06 |
| CN105463630B CN105463630B (en) | 2018-07-10 |
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| CN201610020220.XA Active CN105463630B (en) | 2012-11-13 | 2012-11-13 | Carbon fibre producing facility |
| CN201210453297.8A Active CN102912477B (en) | 2012-11-13 | 2012-11-13 | A kind of polyacrylonitrile-based carbon fibre produces equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109402793A (en) * | 2017-08-16 | 2019-03-01 | 中国石油化工股份有限公司 | Reduce the device and method of tar in carbon fiber production process |
| CN110902847A (en) * | 2019-12-26 | 2020-03-24 | 南京公诚节能新材料研究院有限公司 | Production process of carbon fiber ecological grass |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105463630B (en) * | 2012-11-13 | 2018-07-10 | 宁波高新区零零七工业设计有限公司 | Carbon fibre producing facility |
| DE102013206983A1 (en) | 2013-04-18 | 2014-10-23 | Bayerische Motoren Werke Aktiengesellschaft | Method and apparatus for producing unidirectional carbon fiber fabrics |
| CN103603158B (en) * | 2013-11-15 | 2016-02-03 | 蓝星(北京)化工机械有限公司 | A kind of carbon fiber drying system |
| CN105862177B (en) * | 2016-04-19 | 2018-11-16 | 郑州四维特种材料有限责任公司 | A kind of method and system for recycling tail gas and carbon fiber being surface-treated |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88100656A (en) * | 1987-02-07 | 1988-08-17 | 迪迪尔工程有限公司 | The manufacture method of carbon fiber and equipment therefor |
| CN1082131A (en) * | 1992-08-11 | 1994-02-16 | 中国科学院山西煤炭化学研究所 | SURFACE TREATMENT OF CARBON FIBER method and device |
| CN101050564A (en) * | 2007-04-28 | 2007-10-10 | 袁建中 | Method for producing poly acrylonitrile fiber bundle PAN-base carbon fiber primary fiber |
| CN102912477B (en) * | 2012-11-13 | 2016-09-28 | 重庆科燃科技有限公司 | A kind of polyacrylonitrile-based carbon fibre produces equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1006908B (en) * | 1986-12-25 | 1990-02-21 | 中国科学院山西煤炭化学研究所 | Treatment method and its installation of carbon fibre surface |
| CN2214421Y (en) * | 1994-09-22 | 1995-12-06 | 中国科学院山西煤炭化学研究所 | Continuous carbon fibre surface treatment unit |
-
2012
- 2012-11-13 CN CN201610020220.XA patent/CN105463630B/en active Active
- 2012-11-13 CN CN201210453297.8A patent/CN102912477B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88100656A (en) * | 1987-02-07 | 1988-08-17 | 迪迪尔工程有限公司 | The manufacture method of carbon fiber and equipment therefor |
| CN1082131A (en) * | 1992-08-11 | 1994-02-16 | 中国科学院山西煤炭化学研究所 | SURFACE TREATMENT OF CARBON FIBER method and device |
| CN101050564A (en) * | 2007-04-28 | 2007-10-10 | 袁建中 | Method for producing poly acrylonitrile fiber bundle PAN-base carbon fiber primary fiber |
| CN102912477B (en) * | 2012-11-13 | 2016-09-28 | 重庆科燃科技有限公司 | A kind of polyacrylonitrile-based carbon fibre produces equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109402793A (en) * | 2017-08-16 | 2019-03-01 | 中国石油化工股份有限公司 | Reduce the device and method of tar in carbon fiber production process |
| CN110902847A (en) * | 2019-12-26 | 2020-03-24 | 南京公诚节能新材料研究院有限公司 | Production process of carbon fiber ecological grass |
| CN110902847B (en) * | 2019-12-26 | 2022-04-01 | 南京公诚节能新材料研究院有限公司 | Production process of carbon fiber ecological grass |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105463630B (en) | 2018-07-10 |
| CN102912477B (en) | 2016-09-28 |
| CN102912477A (en) | 2013-02-06 |
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Effective date of registration: 20180604 Address after: 315000 10-05 room 1 Guanghua Road, Ningbo hi tech Zone, Zhejiang Applicant after: High and new technology industrial development zone, Ningbo 007 industrial design company limited Address before: 266708 Jingyuan village, Liyuan street, Pingdu City, Qingdao, Shandong Applicant before: Geng Yunhua |
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Effective date of registration: 20181214 Address after: 516200 First to Third Floors of Building B2 (Plant A) in Yifa Industrial Zone, Tangbei Village, Weibu Village Committee, Qiuchang Street Office, Huiyang District, Huizhou City, Guangdong Province Patentee after: Huizhou Meiyuan Ji Sporting Goods Co., Ltd. Address before: 315000 10-05 room 1 Guanghua Road, Ningbo hi tech Zone, Zhejiang Patentee before: High and new technology industrial development zone, Ningbo 007 industrial design company limited |