CN203411676U - Air sealing devices for pre-oxidation furnace - Google Patents
Air sealing devices for pre-oxidation furnace Download PDFInfo
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- CN203411676U CN203411676U CN201320430630.3U CN201320430630U CN203411676U CN 203411676 U CN203411676 U CN 203411676U CN 201320430630 U CN201320430630 U CN 201320430630U CN 203411676 U CN203411676 U CN 203411676U
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- air
- oxidation furnace
- heater
- inlet pipe
- aeroseal
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Abstract
The utility model relates to a carbon fiber production device, in particular to air sealing devices for a carbon fiber pre-oxidation furnace. The air sealing devices for the pre-oxidation furnace comprise a pre-oxidation furnace body, wherein the air sealing devices are arranged on two sides of the pre-oxidation furnace body. Each air sealing device is characterized by comprising a rotatable air inlet pipe connected with an air source; air is heated before entering an inner pipe; a sealed air outlet pipe is connected to the outer side of the air inlet pipe; a plurality of air discharging holes for discharging the air into the air outlet pipe are formed in the air inlet pipe; air outlets are linearly and uniformly distributed in the surface of the air outlet pipe; the axial lines of the air discharging holes and the air outlets are on the same straight line and are opposite in direction. According to the air sealing devices, an air curtain can be formed, so that heat waste gas is prevented from overflowing out of a furnace opening, a production environment is protected, outside cold air is prevented from entering an oxidation furnace, the temperature uniformity in the oxidation furnace is improved, the strength of finished fibers is enhanced, and the modulus of the finished fibers is increased.
Description
Technical field
The utility model relates to carbon fiber process units, particularly a kind of air seal of carbon fiber pre-oxidation furnace.
Background technology
No matter general pre-oxidation furnace adopts up and down form or left and right wind pushing form against the wind, all there is " stack effect ", the gas of instant heating is imported and exported and is overflowed from the silk at oxidation furnace top, and ambient atmos is entered in stove by pre-oxidation bottom, and the non-uniform temperature of gas in body of heater, produce thermograde, cause the preoxidation degree of fiber inhomogeneous, cause the inhomogeneities of carbon fiber strength simultaneously; And enter after the cold process gas of body of heater and the hot gas heat exchange of fiber-reactive generation, reaction generates easily condensation generation tar on roll dies, body of heater and fiber of gas, therefore, needs the regular tar of removing, and carbon fiber is produced and caused certain loss.
Summary of the invention
The utility model is for the deficiencies in the prior art, designed and a kind ofly can air have been heated and adjusted the aeroseal equipment of angle between pore and fiber, aeroseal equipment described in the utility model can form gas curtain, prevent that hot blast from overflowing from fire door, also can regulate every layer of pre-oxidation furnace to introduce air capacity simultaneously, guarantee the uniformity of temperature in body of heater and oxygen content number, improved the uniformity of the pre-oxidation of fiber, be conducive to promote the strength and modulus of fibrous finished product.
The utility model is realized by technical scheme once:
The aeroseal equipment of pre-oxidation furnace, it comprises pre-oxidation body of heater, the both sides of pre-oxidation body of heater are provided with aeroseal equipment, it is characterized in that: described aeroseal equipment comprises and rotary air inlet pipe, the end of air inlet pipe is provided with the heater that air is heated, described air inlet pipe outside connects Packed escape pipe, in air inlet pipe, be provided with a plurality of exhaust outlets that gas entered to escape pipe, the surface of escape pipe is evenly equipped with air outlet along straight line, the axis of exhaust outlet and air outlet is on same straight line, and the opposite direction of exhaust outlet and air outlet.
Air seal described in the utility model can heat rear ejection to cold air, import and export at the fiber of pre-oxidation body of heater form warm-air curtain, stop other cold airs in environment to enter pre-oxidation body of heater, also can stop the reacting gas in body of heater to flow out simultaneously, prevented leaking of the heat in body of heater, reduce thermal loss, reduced production cost.
Exhaust outlet in described air inlet pipe, along with the orient diameter of gas flow becomes greatly successively, adopts diameter to become successively large design, is conducive to adjust the uniformity of each exhaust outlet gas flow, thus the uniformity of the exhaust of the air outlet of assurance escape pipe.
The diameter of described gas outlet is identical, is conducive to the uniformity of gas in body of heater.
The axis of the air outlet of the escape pipe of the fiber import and export of described pre-oxidation furnace upper of furnace body and the angle of fiber movement direction are obtuse angle.
The axis of the air outlet of the escape pipe of the fiber import and export of described pre-oxidation furnace lower portion of furnace body and the angle of fiber movement direction are acute angle.
In sum, the utlity model has beneficial effect:
1, the utility model can form warm-air curtain at the import and export of the fiber at pre-oxidation furnace, stops other the cold gases in environment to enter into pre-oxidation furnace, and has stoped thermal response gas flow in pre-oxidation furnace to go out body of heater.Effect: guarantee that the heat in body of heater leaks, reduced thermal loss, reduced production cost;
2, the utility model can be introduced air every layer of pre-oxidation furnace, guarantees the uniformity of air in every layer of body of heater and the uniformity of the interior temperature of body of heater, has improved the pre-oxidation uniformity of fiber, and has improved intensity and the uniformity of fiber;
3, in the utility model the exhaust outlet in air inlet pipe along with the orient diameter of gas flow becomes large successively, the diameter of described gas outlet is identical, adopt diameter to become successively large design, be conducive to adjust the uniformity of each exhaust outlet gas flow, thus the uniformity of the exhaust of the air outlet of assurance escape pipe.
4, the angle of air outlet and fiber movement direction on escape pipe of the present utility model, can regulate according to the preoxidation degree of fiber, guarantees the uniformity of the strength and modulus of final carbon fiber finished product.
Accompanying drawing explanation
By the detailed description below in conjunction with accompanying drawing, the utility model is aforesaid will be become apparent with other object, feature and advantage.Wherein:
Figure 1 shows that structural representation of the present utility model;
Fig. 2 is the structural representation of aeroseal equipment;
Fig. 3 is the cutaway view of Fig. 2;
Fig. 4 is the angle schematic diagram between fiber entry place aeroseal equipment and fiber;
Fig. 5 is the angle schematic diagram between fiber outlet place aeroseal equipment and fiber;
In figure, 1 is pre-oxidation body of heater, and 2 is aeroseal equipment, and 3 is air inlet pipe, and 4 is escape pipe, and 5 is air outlet, and 6 is heater, and 7 is exhaust outlet.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
The aeroseal equipment of pre-oxidation furnace as shown in Figure 1 to Figure 3, it comprises pre-oxidation body of heater 1, the both sides of pre-oxidation body of heater are provided with aeroseal equipment 2, it is characterized in that: described aeroseal equipment comprises and rotary air inlet pipe 3, the end of air inlet pipe 3 is provided with the heater 6 that air is heated, heater 6 is conventional heating wire or electric heating piece, described air inlet pipe 3 outsides connect Packed escape pipe 4, in air inlet pipe 3, be provided with a plurality of exhaust outlets 7 that gas entered to escape pipe, the surface of escape pipe 4 is evenly equipped with air outlet 5 along straight line, the axis of exhaust outlet and air outlet is on same straight line, and the opposite direction of exhaust outlet 7 and air outlet 5, the opposite direction of exhaust outlet and gas outlet, be conducive to air-flow and carry out a rotation around air inlet pipe, be conducive to improve the uniformity of air-flow,
Air seal described in the utility model can heat rear ejection to cold air, import and export at the fiber of pre-oxidation body of heater form warm-air curtain, stop other cold airs in environment to enter pre-oxidation body of heater, also can stop the reacting gas in body of heater to flow out simultaneously, prevented leaking of the heat in body of heater, reduce thermal loss, reduced production cost.
As shown in Figure 4, the axis of air outlet and the angle of fiber movement direction of the escape pipe at place, the fiber gateway of described pre-oxidation furnace top body of heater are obtuse angle.
As shown in Figure 5, the axis of air outlet and the angle of fiber movement direction of the escape pipe at place, the fiber gateway of described pre-oxidation furnace bottom body of heater are acute angle.
In sum, the utlity model has beneficial effect:
1, the utility model can form warm-air curtain at the import and export of the fiber at pre-oxidation furnace, stops other the cold gases in environment to enter into pre-oxidation furnace, and has stoped thermal response gas flow in pre-oxidation furnace to go out body of heater.Effect: guarantee that the heat in body of heater leaks, reduced thermal loss, reduced production cost;
2, the utility model can be introduced air every layer of pre-oxidation furnace, guarantees the uniformity of air in every layer of body of heater and the uniformity of the interior temperature of body of heater, has improved the pre-oxidation uniformity of fiber, and has improved intensity and the uniformity of fiber;
3, in the utility model the exhaust outlet in air inlet pipe along with the orient diameter of gas flow becomes large successively, the diameter of described gas outlet is identical, adopt diameter to become successively large design, be conducive to adjust the uniformity of each exhaust outlet gas flow, thus the uniformity of the exhaust of the air outlet of assurance escape pipe.
4, the angle of air outlet and fiber movement direction on escape pipe of the present utility model, can regulate according to the preoxidation degree of fiber, guarantees the uniformity of the strength and modulus of final carbon fiber finished product.
The utility model is not limited to described embodiment; those skilled in the art is not departing from spirit of the present utility model openly in scope; still can do some corrections or change, therefore the scope that rights protection scope of the present utility model limits with claims is as the criterion.
Claims (5)
1. the aeroseal equipment of pre-oxidation furnace, it comprises pre-oxidation body of heater, the both sides of pre-oxidation body of heater are provided with aeroseal equipment, it is characterized in that: described aeroseal equipment comprises and rotary air inlet pipe, the end of air inlet pipe is provided with the heater that air is heated, described air inlet pipe outside connects Packed escape pipe, in air inlet pipe, be provided with a plurality of exhaust outlets that gas entered to escape pipe, the surface of escape pipe is evenly equipped with air outlet along straight line, the axis of exhaust outlet and air outlet is on same straight line, and the opposite direction of exhaust outlet and air outlet.
2. the aeroseal equipment of pre-oxidation furnace according to claim 1, is characterized in that: the exhaust outlet in described air inlet pipe is along with the orient diameter of gas flow becomes large successively.
3. the aeroseal equipment of pre-oxidation furnace according to claim 1, is characterized in that: the diameter of described gas outlet is identical.
4. the aeroseal equipment of pre-oxidation furnace according to claim 1, is characterized in that: the axis of air outlet and the angle of fiber movement direction of the escape pipe at the place, fiber gateway of described pre-oxidation furnace top body of heater are obtuse angle.
5. according to the aeroseal equipment of the said pre-oxidation furnace of claim 1, it is characterized in that: the axis of air outlet and the angle of fiber movement direction of the escape pipe at the place, fiber gateway of described pre-oxidation furnace bottom body of heater are acute angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320430630.3U CN203411676U (en) | 2013-07-18 | 2013-07-18 | Air sealing devices for pre-oxidation furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320430630.3U CN203411676U (en) | 2013-07-18 | 2013-07-18 | Air sealing devices for pre-oxidation furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203411676U true CN203411676U (en) | 2014-01-29 |
Family
ID=49974580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320430630.3U Expired - Lifetime CN203411676U (en) | 2013-07-18 | 2013-07-18 | Air sealing devices for pre-oxidation furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203411676U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213254A (en) * | 2014-08-08 | 2014-12-17 | 中国科学院宁波材料技术与工程研究所 | Device to improve temperature field uniformity of pre-oxidation furnace |
| CN105821525A (en) * | 2016-05-24 | 2016-08-03 | 梁善良 | Carbon fiber continuous production activating furnace |
| CN105821526A (en) * | 2016-05-24 | 2016-08-03 | 梁善良 | Carbon fiber continuous production carbonization furnace and transmission device thereof |
| CN109307075A (en) * | 2018-11-07 | 2019-02-05 | 重庆长安工业(集团)有限责任公司 | Hermetic seal protective device |
| CN111380361A (en) * | 2020-04-17 | 2020-07-07 | 中广核达胜加速器技术有限公司 | Furnace head atmosphere protection method and device of tubular sintering furnace for continuous fiber production |
| CN114561722A (en) * | 2022-03-17 | 2022-05-31 | 新创碳谷控股有限公司 | Carbon fiber pre-oxidation furnace with end labyrinth seal structure |
-
2013
- 2013-07-18 CN CN201320430630.3U patent/CN203411676U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213254A (en) * | 2014-08-08 | 2014-12-17 | 中国科学院宁波材料技术与工程研究所 | Device to improve temperature field uniformity of pre-oxidation furnace |
| CN105821525A (en) * | 2016-05-24 | 2016-08-03 | 梁善良 | Carbon fiber continuous production activating furnace |
| CN105821526A (en) * | 2016-05-24 | 2016-08-03 | 梁善良 | Carbon fiber continuous production carbonization furnace and transmission device thereof |
| CN105821525B (en) * | 2016-05-24 | 2017-11-28 | 广东中窑窑业股份有限公司 | Carbon fibe continuous production activation furnace |
| CN105821526B (en) * | 2016-05-24 | 2017-11-28 | 广东中窑窑业股份有限公司 | Carbon fibe continuous production retort and its transmission device |
| CN109307075A (en) * | 2018-11-07 | 2019-02-05 | 重庆长安工业(集团)有限责任公司 | Hermetic seal protective device |
| CN111380361A (en) * | 2020-04-17 | 2020-07-07 | 中广核达胜加速器技术有限公司 | Furnace head atmosphere protection method and device of tubular sintering furnace for continuous fiber production |
| CN114561722A (en) * | 2022-03-17 | 2022-05-31 | 新创碳谷控股有限公司 | Carbon fiber pre-oxidation furnace with end labyrinth seal structure |
| CN114561722B (en) * | 2022-03-17 | 2022-12-16 | 新创碳谷集团有限公司 | Carbon fiber pre-oxidation furnace with end labyrinth seal structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CB03 | Change of inventor or designer information |
Inventor after: Hu Peixian Inventor after: Yang Yonggang Inventor before: Hu Peixian Inventor before: Li Hui Inventor before: Li Chunhong Inventor before: Li Yang Inventor before: Wang Ping Inventor before: Wang Wei Inventor before: Fan Junliang Inventor before: Ni Nannan Inventor before: Guo Jianqiang |
|
| COR | Change of bibliographic data | ||
| CP03 | Change of name, title or address |
Address after: 213127 Jiangsu province Changzhou Xingfeng Road New District No. 6 Patentee after: SINOFIBERS TECHNOLOGY Co.,Ltd. Address before: 213127 Jiangsu province Changzhou Xingfeng Road New District Xinbei Industrial Park No. 6 Patentee before: ZHONGJIAN SCIENCE & TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |