CN201024244Y - High temperature furnace for carbon fiber production - Google Patents
High temperature furnace for carbon fiber production Download PDFInfo
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- CN201024244Y CN201024244Y CNU2007200208217U CN200720020821U CN201024244Y CN 201024244 Y CN201024244 Y CN 201024244Y CN U2007200208217 U CNU2007200208217 U CN U2007200208217U CN 200720020821 U CN200720020821 U CN 200720020821U CN 201024244 Y CN201024244 Y CN 201024244Y
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Abstract
The utility model discloses a novel carbon-fiber production high-temperature furnace and solves a problem that the current carbon-fiber processing facility can not meet the need of preparing high performance carbon fiber. The utility model has the advantages of satisfying high temperature carbonization in the process of carbon fiber production, and the structure of the utility model is that: the furnace is provided with a furnace body and a shell of the furnace body is an overall sealed jacketed shell while mobile cooling medium is in the shell; a furnace chamber is a C/C combined cavity with cordwood structure, and carbon fiber is in the furnace chamber while a C/C heating electrode is on the outside of the cavity. Furthermore, a temperature and heat insulating apparatus is between the cavity and the jacketed shell, and a labyrinth-type sealing device is positioned in the furnace mouths of two ends.
Description
Technical field
The utility model belongs to the heat equipment technical field, particularly a kind of novel carbon fiber production high temperature furnace of making high-performance carbon fibre.
Technical background
Carbon fiber and composite thereof have high specific strength, and high ratio modulus is high temperature resistant, and is corrosion-resistant, endurance, creep resistant has conducting function, good thermal conduction, thermal coefficient of expansion is almost nil to wait excellent properties, thereby is widely used in Aero-Space, in defence and military and the civilian industry.
Polyacrylonitrile-based carbon fibre is and national economy and the most closely-related carbon fibre material of national security, be that the development advanced weaponry is equipped necessary raw material, one of high-performance fiber of being badly in need of of strategic missile and fighter plane particularly, also be the structure that presses for such as satellite, aerospace aircraft, nuclear energy equipment and stealthy weapon and the main reinforcing material of functional material, building reinforcing, petroleum industry, ocean development, communications and transportation and sports and amusement industry etc. civilian aspect purposes extremely extensive, consumption is very big.
In carbon fiber production process, high-temperature service is extremely crucial.High temperature carbonization furnace is the key of the key in the large-scale industrialization production line because the operating temperature height has to the properties of carbon influence characteristics such as big, complex art level requirement height, also is the bottleneck of restriction China later stage industrialization.
The carbon current fiber production is with in the high temperature carbonization furnace, and heating element heater is Elema or Si-Mo rod, and burner hearth is carborundum or corundum material, and insulation material is the heat resistant inorganic fibers cotton, and furnace shell is the individual layer carbon steel, and maximum operation (service) temperature generally is no more than 1400 ℃.This furnace type structure is simple, and is easy to process, but the body of heater airproof is poor, burner hearth heat-resistant anti-fatigue ability, and the life-span is short, can not satisfy the demand of preparation high-performance carbon fibre.
Though domestic have heatproof to surpass 1300 ℃ high temperature furnace, operate mainly under the vacuum state, batch operation can not satisfy carbon fiber quantity-produced demand.
External carbon fiber production is mainly adopted the graphite heating element with heating furnace, and heatproof can reach 1500 ℃, but graphite material intensity is low, and the life-span is short, is not suitable for processing the large span body of heater.
Summary of the invention
The purpose of this utility model can't satisfy problems such as preparation high-performance carbon fibre in order to solve the carbon current fiber processing equipment, provides a kind of and can satisfy the novel carbon fiber production high temperature furnace that high temperature cabonization is handled in the carbon fiber production process.
For achieving the above object, the utility model adopts following technical scheme:
A kind of novel carbon fiber production high temperature furnace, it has body of heater, and the furnace shell of described body of heater is the interlayer furnace shell of integral sealing, is cooling medium flowing in it; Furnace chamber is the carbon/carbon combination cavity of modular construction, places carbon fiber in it, is carbon/carbon heating electrode outside cavity, is heat insulating device between cavity and the interlayer furnace shell, and fire door is established labyrinth-type excluder at two ends.
Described furnace shell is the metal material of high-termal conductivity, and the heat resistant rubber press seal is all adopted at the seal position on all furnace shells, and one side lower end is a cooling water inlet, and end top, diagonal angle is coolant outlet.
What described carbon/carbon made up cavity is carbon/carbon compound material sheet material, form a unit by four splicings, and a plurality of unit can splice continuously.
Described carbon/carbon heating electrode is the carbon/carbon compound material sheet material that makes behind the multilayer carbon cloth hot pressed sintering, and it is the U type, and opening part is an electrode terminal, electrode connection external application electrode cooling jacket, and the electrode cooling jacket is communicated with the interlayer furnace shell.
Described labyrinth-type excluder is mechanical labyrinth seal.
Described heat insulating device comprises that being arranged on carbon/carbon makes up cavity top and heat-preservation cotton felt all around, sets gradually heat resisting brick and insulating brick between its bottom and interlayer furnace shell, is provided with ceramic support between carbon/carbon heating electrode and heat resisting brick.
The utility model carbon fiber production high temperature carbonization furnace, its architectural feature is the furnace shell integral sealing, furnace shell is a sandwich, interior logical cooling water, the modular construction form that furnace chamber is formed for the carbon/carbon compound material plate, furnace chamber is outward the carbon/carbon compound material heating electrode, the insulation material between cavity and the furnace shell is high temperature resistant carbon felt, the two ends fire door is established labyrinth-type excluder, prevents that extraneous air from entering body of heater inside.Furnace shell material is the metal material of high-termal conductivity, double-decker, and interior same cooling water, the heat resistant rubber press seal is all adopted at the seal position on all furnace shells, guarantees good seal.Its internal work cavity is a carbon/carbon compound material sheet material, and material is to make behind the multilayer carbon cloth hot pressed sintering, and a unit is formed in four splicings, according to arts demand, can splice continuously a plurality of unit.Its heating element heater is the carbon/carbon compound material sheet material that makes behind the multilayer carbon cloth hot pressed sintering, and form is the U type, and opening part is an electrode terminal, electrode connection external application cooling jacket.The two ends fire door is established sealing system, and the sealing system structure is mechanical labyrinth type.
The beneficial effects of the utility model are: simple in structure, easy to use, can satisfy the requirement of preparation high-performance carbon fibre.
Description of drawings
Fig. 1 is the utility model cross-sectional view;
Fig. 2 is the vertical view of Fig. 1.
Among the figure: 1, cooling water inlet, 2, the electrode cooling jacket, 3, the heat-preservation cotton felt, 4, carbon/carbon heating electrode, 5, carbon/carbon combination cavity, 6, carbon fiber, 7, ceramic support, 8, the interlayer furnace shell, 9, coolant outlet, 10, heat resisting brick, 11, insulating brick, 12, labyrinth seal, 13, body of heater.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and embodiment.
Among Fig. 1, Fig. 2, the furnace shell of body of heater 13 is an integral sealing formula interlayer furnace shell 8, and it is the metal material of high-termal conductivity, and the heat resistant rubber press seal is all adopted at the seal position on all furnace shells, one side lower end is a cooling water inlet 1, and end top, diagonal angle is coolant outlet 9.
Furnace chamber is the carbon/carbon combination cavity 5 of modular construction, forms a unit by four splicings, and can splice continuously a plurality of unit.Placing carbon fiber 6 in it, is carbon/carbon heating electrode 4 outside cavity, and it is the carbon/carbon compound material sheet material that makes behind the multilayer carbon cloth hot pressed sintering, it is the U type, opening part is an electrode terminal, electrode connection external application electrode cooling jacket 2, and electrode cooling jacket 2 is communicated with interlayer furnace shell 8.At the two ends fire door is mechanical labyrinth seal 12.
Be heat insulating device between cavity and the interlayer furnace shell 8, it comprises that being arranged on carbon/carbon makes up cavity 5 tops and heat-preservation cotton felt 3 all around, and its bottom and 8 of interlayer furnace shells once are provided with heat resisting brick 10 and insulating brick 11.10 of carbon/carbon heating electrode 4 and heat resisting bricks are provided with ceramic support 7.
The concrete use of ability utility model is:
Embodiment 1:
Utilize corrosion resistant plate finishing stove body case sandwich, utilize the carbon carbon composite plate processing heating electrode of the thick carbon fiber Thermocompressed sintering and forming of 3mm, the wide 50mm of U template, appearance and size 800mm * 200mm; Utilize the carbon carbon composite sheet material of the thick carbon fiber Thermocompressed sintering and forming of 20mm to be processed into lath, be spliced into the cavity of inner chamber 400mm * 200mm * 500mm (wide * height * length), seam crossing is bonding firm with inorganic high-temperature agglomerant.Alundum (Al high temperature brick is laid in interlayer furnace shell bottom surface, thickness 300mm, lay the carbon carbon composite plate that processes at an upper portion thereof and be spliced into cavity, two groups of U type heating electrode plates are laid on cavity top, by being placed in the alundum (Al support body supports of cavity both sides, fill the insulated fireproof cellucotton between cavity and the body of heater shell, U type electrode leads to client utilizes the heat-proof silica gel plate to compress sealing, seal is set up in the fire door both sides, and seal is installed on the interlayer furnace shell.Utilize this heating furnace, temperature is controlled at 1400 ℃, and the carbon fiber strength that burns out surpasses 3500MPa, and practical application effect is good.
Embodiment 2:
Utilize corrosion resistant plate finishing stove body case sandwich, utilize the carbon carbon composite plate processing heating electrode of the thick carbon fiber Thermocompressed sintering and forming of 5mm, the wide 100mm of U template, appearance and size 1800mm * 1500mm; Utilize the carbon carbon composite sheet material of the thick carbon fiber Thermocompressed sintering and forming of 30mm to be processed into lath, be spliced into the cavity of inner chamber 1400mm * 200mm * 1500mm (wide * height * length), seam crossing is bonding firm with inorganic high-temperature agglomerant.Alundum (Al high temperature brick is laid in interlayer furnace shell bottom surface, thickness 300mm, lay the carbon carbon composite plate that processes at an upper portion thereof and be spliced into cavity, 10 groups of U type heating electrode plates are laid on cavity top, by being placed in the alundum (Al support body supports of cavity both sides, fill the insulated fireproof cellucotton between cavity and the body of heater shell, U type electrode leads to client utilizes the heat-proof silica gel plate to compress sealing, seal is set up in the fire door both sides, and seal is installed on the interlayer furnace shell.Utilize this heating furnace, temperature is controlled at 1450 ℃, and the carbon fiber strength that burns out surpasses 4000MPa, and practical application effect is good.
Claims (6)
1. novel carbon fiber production high temperature furnace, it has body of heater (13), it is characterized in that: the furnace shell of described body of heater (13) is the interlayer furnace shell (8) of integral sealing, is cooling medium flowing in it; Furnace chamber is the carbon/carbon combination cavity (5) of modular construction, places carbon fiber (6) in it, is carbon/carbon heating electrode (4) outside cavity, is heat insulating device between cavity and the interlayer furnace shell (8), and fire door is established labyrinth-type excluder at two ends.
2. according to claims 1 described novel carbon fiber production high temperature furnace, it is characterized in that: described furnace shell is the metal material of high-termal conductivity, the heat resistant rubber press seal is all adopted at seal position on all furnace shells, one side lower end is cooling water inlet (1), and end top, diagonal angle is coolant outlet (9).
3. according to claims 1 described novel carbon fiber production high temperature furnace, it is characterized in that: what described carbon/carbon made up cavity (5) is carbon/carbon compound material sheet material, form a unit by four splicings, and a plurality of unit can splice continuously.
4. according to claims 1 described novel carbon fiber production high temperature furnace, it is characterized in that: the carbon/carbon compound material sheet material of described carbon/carbon heating electrode (4) for making behind the multilayer carbon cloth hot pressed sintering, it is the U type, opening part is an electrode terminal, electrode connection external application electrode cooling jacket (2), electrode cooling jacket (2) is communicated with interlayer furnace shell (8).
5. according to claims 1 described novel carbon fiber production high temperature furnace, it is characterized in that: described labyrinth-type excluder is mechanical labyrinth seal (12).
6. according to claims 1 described novel carbon fiber production high temperature furnace, it is characterized in that: described heat insulating device comprises that being arranged on carbon/carbon makes up cavity (5) top and heat-preservation cotton felt (3) all around, set gradually heat resisting brick (10) and insulating brick (11) between its bottom and interlayer furnace shell (8), be provided with ceramic support (7) between carbon/carbon heating electrode (4) and heat resisting brick (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200208217U CN201024244Y (en) | 2007-04-12 | 2007-04-12 | High temperature furnace for carbon fiber production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200208217U CN201024244Y (en) | 2007-04-12 | 2007-04-12 | High temperature furnace for carbon fiber production |
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| CN201024244Y true CN201024244Y (en) | 2008-02-20 |
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| CNU2007200208217U Expired - Fee Related CN201024244Y (en) | 2007-04-12 | 2007-04-12 | High temperature furnace for carbon fiber production |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953149A (en) * | 2012-10-23 | 2013-03-06 | 金发科技股份有限公司 | Comprehensive treating and using device for waste gas generated by producing carbon fiber |
| CN102954700A (en) * | 2012-10-23 | 2013-03-06 | 金发科技股份有限公司 | Comprehensive treatment utilization method of waste gas produced by carbon fibre |
| CN105568430A (en) * | 2014-10-14 | 2016-05-11 | 中国石油化工股份有限公司 | Pre-carbonization device of high compactness polyacrylonitrile-based carbon fiber and preparation method |
| CN106283274A (en) * | 2016-10-31 | 2017-01-04 | 哈尔滨天顺化工科技开发有限公司 | A kind of high temperature cabonization device for producing carbon fiber |
| 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 |
-
2007
- 2007-04-12 CN CNU2007200208217U patent/CN201024244Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953149A (en) * | 2012-10-23 | 2013-03-06 | 金发科技股份有限公司 | Comprehensive treating and using device for waste gas generated by producing carbon fiber |
| CN102954700A (en) * | 2012-10-23 | 2013-03-06 | 金发科技股份有限公司 | Comprehensive treatment utilization method of waste gas produced by carbon fibre |
| CN102953149B (en) * | 2012-10-23 | 2014-10-29 | 金发科技股份有限公司 | Comprehensive treating and using device for waste gas generated by producing carbon fiber |
| CN102954700B (en) * | 2012-10-23 | 2014-10-29 | 金发科技股份有限公司 | Comprehensive treatment utilization method of waste gas produced by carbon fibre |
| CN105568430A (en) * | 2014-10-14 | 2016-05-11 | 中国石油化工股份有限公司 | Pre-carbonization device of high compactness polyacrylonitrile-based carbon fiber and preparation method |
| CN105568430B (en) * | 2014-10-14 | 2018-06-08 | 中国石油化工股份有限公司 | The pre- carbonizing plant and preparation method of high compactness polyacrylonitrile-based carbon fibre |
| CN106283274A (en) * | 2016-10-31 | 2017-01-04 | 哈尔滨天顺化工科技开发有限公司 | A kind of high temperature cabonization device for producing carbon fiber |
| CN106283274B (en) * | 2016-10-31 | 2018-07-17 | 哈尔滨天顺化工科技开发有限公司 | A kind of high temperature cabonization device for producing carbon fiber |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080220 Termination date: 20100412 |