CN106480550A - A kind of labyrinth type gas lock and its control device for carbon fiber production - Google Patents
A kind of labyrinth type gas lock and its control device for carbon fiber production Download PDFInfo
- Publication number
- CN106480550A CN106480550A CN201610926301.6A CN201610926301A CN106480550A CN 106480550 A CN106480550 A CN 106480550A CN 201610926301 A CN201610926301 A CN 201610926301A CN 106480550 A CN106480550 A CN 106480550A
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- labyrinth
- type gas
- gas lock
- labyrinth type
- sealing gland
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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
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Tunnel Furnaces (AREA)
- Inorganic Fibers (AREA)
Abstract
The invention discloses a kind of labyrinth type gas lock and its control device for carbon fiber production, belongs to carbon fiber production technical field.The labyrinth type gas lock includes nitrogen inlet, expanding chamber, rectification room, annular seal space and labyrinth seal passage.Wherein, nitrogen inlet is connected with expanding chamber, expanding chamber bottom is split with rectification room by cowling panel, while being connected with rectification room by the pod apertures on cowling panel, rectification room bottom is the sealing gland plate for being provided with pod apertures, sealing gland intralamellar part forms the annular seal space passed through for fibre bundle, is connected with labyrinth seal passage by labyrinth entrance in the tow port of export of annular seal space.The principle that the present invention is combined with labyrinth seal using wire cutting, is upwardly formed gaseous state curtain wall in the Vertical Square of fibre bundle direction of advance, effectively stops that extraneous air enters into furnace interior.Meanwhile, in the tow port of export still by labyrinth road structure, can effectively reduce nitrogen and leak, the consumption of nitrogen be greatly reduced, considerably reduces production cost.
Description
Technical field
The present invention relates to a kind of labyrinth type gas lock and its control device for carbon fiber production, belongs to carbon fiber production skill
Art field.
Background technology
Carbon fiber is a kind of very important novel metalloid material, with high tensile, high temperature resistant, anticorrosive etc. one
Number of advantages, while with good processing characteristics, be widely used in military affairs, Aero-Space, medicine equipment, sports goods etc.
Numerous areas.
The processing of carbon fiber be usually by through spinneret, stretching, washing, the technique such as densified acquisition organic fiber precursor
First pre-oxidation treatment is carried out in 100～300 DEG C of oxidizing atmosphere, then distinguish successively under the protective effect of inertia shielding gas
The new carbon obtained after low-temperature carbonization and high temperature cabonization.
In carbon fiber production process, for improve production efficiency, saving energy consumption, generally require multi beam pre-oxidized fibers
Tow is lined up banding and continues through the carrying out of carbide furnace and processes.Therefore, carbide furnace must be open, passes in and out in order to tow, but
The two ends fire door of high temperature furnace must be sealed.On the one hand need to suppress the outer oxygen of high temperature furnace high temperature furnace to diffuse to furnace high-temperature oxidation product
The a large amount of lousiness of life, affect product quality；On the other hand it is also required to furnace high-temperature gas leak is avoided, pollutes surrounding environment.Existing
Sealing device varied, the liquid airproof device that has structure more complicated, also have gas-tight sealing miscellaneous.?
In gas-tight sealing, its version is divided into flashboard type, duck-beak type and non-contact type labyrinth type etc. again.Non-contact labyrinth
Sealing structure often has that air consumption is big, sealing effectiveness.
Content of the invention
For solving above-mentioned technical problem, the invention provides a kind of labyrinth type gas lock for carbon fiber production, is taken
Technical scheme as follows：
A kind of labyrinth type gas lock for carbon fiber production, the labyrinth type gas lock include nitrogen inlet 1, expanding chamber 2, rectification
Room 13, annular seal space 12 and labyrinth seal passage 11.Wherein, nitrogen inlet 1 is connected with expanding chamber 2, and 2 bottom of expanding chamber is by whole
Stream plate 3 is split with rectification room 13, while being connected with rectification room 13 by the pod apertures 7 on cowling panel 3,13 bottom of rectification room is for setting
There is the sealing gland plate 5 of sealing gland mouth 6, sealing gland plate 5 is internally formed the annular seal space 12 passed through for fibre bundle 8, in the tow of annular seal space 12
The port of export is connected with labyrinth seal passage 11 by labyrinth entrance 10.
Preferably, the cross-sectional area in expanding chamber 2 and rectification room 13 is 100～200 times of 1 inlet area of nitrogen inlet.
Preferably, deflector 4 is additionally provided with the bottom surface of cowling panel 3.
It is highly preferred that deflector 4 is perpendicular to cowling panel 3.
Preferably, the tow entrance point of annular seal space 12 is provided with the connector being tightly connected with the port of export of carbide furnace.
Preferably, sealing gland mouth 6 is uniformly distributed on sealing gland plate 5, and the width along fibre bundle 8 is provided with multigroup width
Spend the sealing gland mouth 6 that 9 width are exported more than tow.
Present invention also offers a kind of control device containing the labyrinth type gas lock, mainly by controlling organization, sensor,
Meter, feeder composition.
Preferably, controlling organization includes computer 15, sensor 17, check-valves 18 and pneumatic control valve 19.
Preferably, computer 15 and sensor 17, check-valves 18, pneumatic control valve 19, feeder 20 and meter 16
Connection, to realize chain control.
The present invention obtain beneficial effect be：
The principle that the present invention is combined with labyrinth seal using wire cutting, in the vertical direction of fibre bundle direction of advance
Gaseous state curtain wall is formed, effectively stops that extraneous air enters into furnace interior.Meanwhile, still tied by labyrinth road in the tow port of export
Structure, can effectively reduce nitrogen and leak, greatly reduce the consumption of nitrogen, considerably reduce production cost.
Description of the drawings
Fig. 1 is the positive structure diagram of the labyrinth type gas lock in a kind of preferred version of the present invention.
Fig. 2 is the structural representation of the control device containing labyrinth type gas lock in a kind of preferred version of the present invention.
In figure：1, nitrogen inlet；2, expanding chamber；3, cowling panel；4, deflector；5, sealing gland plate；6, sealing gland mouth；7, water conservancy diversion
Hole；8, fibre bundle；9, tow is exported；10, labyrinth entrance；11, labyrinth seal passage；12, annular seal space；13, rectification room 14, fan
Palace formula gas lock；15, computer；16, meter；17, sensor；18, check-valves；19, pneumatic control valve；20, feeder；
21, gas manufacturing plants；22, tow；23, burner hearth.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described in further details, but described further below is not intended as the limit to the present invention
Fixed.
Fig. 1 is the positive structure diagram of labyrinth type gas lock in a kind of preferred version of the present invention.In figure arrow direction
Direction of advance for fibre bundle 8.As can be known from Fig. 1, the labyrinth type gas lock be by expanding chamber 2, rectification room 13, annular seal space 12 with
And labyrinth seal passage 11 constitutes.Wherein, a nitrogen inlet 1 is respectively equipped with the upper end of expanding chamber 2 and low side.Expanding chamber 2
Interior cross-sectional area is 200 times of the nitrogen inlet 1, so that nitrogen is expanded after entering expanding chamber rapidly.Bottom in expanding chamber 2
It is have the cowling panel 3 perpendicular to 1 direction of nitrogen inlet.Some equally distributed pod apertures 7 are provided with cowling panel 3, so that will
Nitrogen in expanding chamber 2 after expansion is imported in rectification room 13.Meanwhile, still have in rectification room 13 on cowling panel 3
In some deflectors 4, to carry out water conservancy diversion to the nitrogen by pod apertures 7, by nitrogen be oriented to positioned at 13 bottom of rectification room gas
Shrouding 5.Some sealing gland mouths 6 are evenly distributed with sealing gland plate 5, to be formed perpendicular to filament after nitrogen passes through sealing gland mouth 6
The gaseous state curtain wall of bundle 8.Wherein, sealing gland mouth 6 is preferably arranged in the form perpendicular to 8 direction of advance of fibre bundle.Meanwhile, along fiber
8 width of tow is provided with the width of some tow outlets for being more than 12 one end of annular seal space formed by sealing gland plate 5 to length, with
Shut extraneous air to enter in the carbide furnace connected with 12 other end of annular seal space.In the annular seal space 12 that sealing gland plate 5 is formed, one
Holding and 9 being exported for tow, the other end is the connector being tightly connected with carbide furnace.In one end of tow outlet 9, labyrinth seal is provided with
Passage 11,9 inner side of tow outlet is the passage passed through for fiber fibroin 8, and the labyrinth that outside is then labyrinth seal passage 11 enters
Mouth 10, to import to excessive waste gas or nitrogen in labyrinth seal passage 11.
Fig. 2 is the structural representation of the control device containing labyrinth type gas lock in a kind of preferred version of the present invention.Can from Fig. 2
Know, the control device mainly has labyrinth type gas lock 14, computer, meter 16, sensor 17, check-valves 18, pneumatic control valve
19 and feeder 20 constitute.The gas manufacturing plants 21 being connected with feeder 20 can also be included.Wherein, labyrinth type gas
Two nitrogen inlets 1 of lock 14 are connected with steam line.With the steam line of nitrogen inlet 1 on have proximal and distal being connected with turn
Meter 16, sensor 17, check-valves 18 and pneumatic control valve 19.Meter 16, sensor 17, check-valves 18 and gas
Dynamic regulating valve 19 is attached with computer 15 respectively, to realize chain control.Feeder 20 is connected with pneumatic control valve 19,
Control to 20 gas output of feeder can finally be realized by the 15 automatic control and adjustment valve 19 of computer of controlling organization.Pass
Sensor 17 and meter 16 can in collection conduit gas data message, and data message can be fed back in computer 15, with
The final nitrogen that realizes to entering in labyrinth type gas lock 14 or the control of the factor such as other shielding gas flow, flow velocity, temperature.Labyrinth
One section of formula gas lock 14 is connected with the burner hearth of the devices such as high temperature carbonization furnace, the quilt after labyrinth type gas lock 14 of the tow 22 in burner hearth
Pull out.The shielding gas such as nitrogen have gas manufacturing plants 21 to manufacture or directly purchase comes and feeder 20 is supplied,
After pneumatic control valve 19, by one way stop peturn valve 18, then labyrinth type is further separated into after sensor 17 and meter 16
Two nitrogen inlets 1 of gas lock 14.When labyrinth type gas lock 14, seal in 11 one end of labyrinth seal passage, and from burner hearth 23
Enter in high temperature carbonization furnace or low-temperature carbonization furnace.Can be reclaimed by the waste gas outlet of high temperature carbonization furnace or low-temperature carbonization furnace again.
Although the present invention is disclosed as above with preferred embodiment, which is not limited to the present invention, any is familiar with this
The people of technology, without departing from the spirit and scope of the present invention, can do various changes and modification, therefore the protection of the present invention
Scope should be by being defined that claims are defined.
Claims (9)
1. a kind of labyrinth type gas lock for carbon fiber production, it is characterised in that including nitrogen inlet (1), expanding chamber (2), whole
Flow chamber (13), annular seal space (12) and labyrinth seal passage (11), wherein, nitrogen inlet (1) is connected with expanding chamber (2), expansion
Room (2) bottom is split with rectification room (13) by cowling panel (3), while by the pod apertures (7) on cowling panel (3) and rectification room
(13) connect, rectification room (13) bottom is the sealing gland plate (5) for being provided with sealing gland mouth (6), sealing gland plate (5) is internally formed and supplies fibre bundle
(8) annular seal space (12) for passing through, passes through labyrinth entrance (10) and labyrinth seal passage in the tow port of export of annular seal space (12)
(11) connect.
2. the labyrinth type gas lock described in claim 1, it is characterised in that the cross-sectional area in expanding chamber (2) and rectification room (13)
It is 100～200 times of nitrogen inlet (1) inlet area.
3. the labyrinth type gas lock described in claim 1, it is characterised in that be additionally provided with deflector on the bottom surface of cowling panel (3)
(4).
4. the labyrinth type gas lock described in claim 3, it is characterised in that deflector (4) is perpendicular to cowling panel (3).
5. the labyrinth type gas lock described in claim 1, it is characterised in that the tow entrance point of annular seal space (12) is provided with and carbide furnace
The connector that is tightly connected of the port of export.
6. the labyrinth type gas lock described in claim 1, it is characterised in that sealing gland mouth (6) is uniformly distributed on sealing gland plate (5), and
It is provided with, along the width of fibre bundle (8), the sealing gland mouth (6) that multigroup width exports (9) width more than tow.
7. a kind of control device containing labyrinth type gas lock described in claim 1, it is characterised in that main by controlling organization, biography
Sensor, meter, feeder composition.
8. the control device described in claim 7, it is characterised in that controlling organization includes computer (15), sensor (17), only
Return valve (18) and pneumatic control valve (19).
9. the control device described in claim 8, it is characterised in that computer (15) and sensor (17), check-valves (18),
The connection of pneumatic control valve (19), feeder (20) and meter (16), to realize chain control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610926301.6A CN106480550B (en) | 2016-10-31 | 2016-10-31 | A kind of labyrinth type gas lock and its control device for carbon fiber production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610926301.6A CN106480550B (en) | 2016-10-31 | 2016-10-31 | A kind of labyrinth type gas lock and its control device for carbon fiber production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106480550A true CN106480550A (en) | 2017-03-08 |
| CN106480550B CN106480550B (en) | 2018-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610926301.6A Active CN106480550B (en) | 2016-10-31 | 2016-10-31 | A kind of labyrinth type gas lock and its control device for carbon fiber production |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107523989A (en) * | 2017-09-26 | 2017-12-29 | 宁夏全宇新材料有限公司 | The ammonia cure equipment of fibre bundle |
| CN110273191A (en) * | 2019-07-23 | 2019-09-24 | 中国科学院山西煤炭化学研究所 | Carbon fibre precursor steam drafting device |
| CN113564751A (en) * | 2020-04-29 | 2021-10-29 | 天华化工机械及自动化研究设计院有限公司 | Carbonization furnace seal cavity structure |
| 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 |
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| JPH06166913A (en) * | 1992-11-30 | 1994-06-14 | Tonen Corp | Production of carbon fiber |
| WO1999011846A1 (en) * | 1997-09-01 | 1999-03-11 | Electron Property Research Institute Co., Ltd. | Coiled carbon fiber, and method and apparatus for manufacturing the same |
| CN201443001U (en) * | 2009-04-26 | 2010-04-28 | 潍坊华平碳纤维有限公司 | Seal furnace mouth |
| CN101956251A (en) * | 2010-09-17 | 2011-01-26 | 西安航科等离子体科技有限公司 | High-temperature furnace sealing device for continuously producing carbon fibres |
| CN202643945U (en) * | 2012-04-25 | 2013-01-02 | 上海联川自动化科技有限公司 | Labyrinth jacket for reducing gas consumption of carbon fiber heating furnace |
| CN206783842U (en) * | 2016-10-31 | 2017-12-22 | 哈尔滨天顺化工科技开发有限公司 | A kind of labyrinth type gas lock and its control device for carbon fiber production |
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2016
- 2016-10-31 CN CN201610926301.6A patent/CN106480550B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH06166913A (en) * | 1992-11-30 | 1994-06-14 | Tonen Corp | Production of carbon fiber |
| WO1999011846A1 (en) * | 1997-09-01 | 1999-03-11 | Electron Property Research Institute Co., Ltd. | Coiled carbon fiber, and method and apparatus for manufacturing the same |
| CN201443001U (en) * | 2009-04-26 | 2010-04-28 | 潍坊华平碳纤维有限公司 | Seal furnace mouth |
| CN101956251A (en) * | 2010-09-17 | 2011-01-26 | 西安航科等离子体科技有限公司 | High-temperature furnace sealing device for continuously producing carbon fibres |
| CN202643945U (en) * | 2012-04-25 | 2013-01-02 | 上海联川自动化科技有限公司 | Labyrinth jacket for reducing gas consumption of carbon fiber heating furnace |
| CN206783842U (en) * | 2016-10-31 | 2017-12-22 | 哈尔滨天顺化工科技开发有限公司 | A kind of labyrinth type gas lock and its control device for carbon fiber production |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107523989A (en) * | 2017-09-26 | 2017-12-29 | 宁夏全宇新材料有限公司 | The ammonia cure equipment of fibre bundle |
| CN107523989B (en) * | 2017-09-26 | 2023-06-30 | 宁夏全宇新材料有限公司 | Ammonia fumigation equipment for fiber tows |
| CN110273191A (en) * | 2019-07-23 | 2019-09-24 | 中国科学院山西煤炭化学研究所 | Carbon fibre precursor steam drafting device |
| CN110273191B (en) * | 2019-07-23 | 2024-07-02 | 中国科学院山西煤炭化学研究所 | Carbon fiber precursor tow steam drafting device |
| CN113564751A (en) * | 2020-04-29 | 2021-10-29 | 天华化工机械及自动化研究设计院有限公司 | Carbonization furnace seal cavity structure |
| 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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| Publication number | Publication date |
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| CN106480550B (en) | 2018-11-30 |
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