CN106480550B - 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
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- CN106480550B CN106480550B CN201610926301.6A CN201610926301A CN106480550B CN 106480550 B CN106480550 B CN 106480550B CN 201610926301 A CN201610926301 A CN 201610926301A CN 106480550 B CN106480550 B CN 106480550B
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- labyrinth
- type gas
- chamber
- sealing gland
- labyrinth type
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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
Abstract
The invention discloses a kind of labyrinth type gas locks and its control device for carbon fiber production, belong to carbon fiber production technical field.The labyrinth type gas lock includes nitrogen inlet, and expanding chamber rectifies room, seal chamber and labyrinth seal channel.Wherein, nitrogen inlet is connected to expanding chamber, expanding chamber bottom passes through cowling panel and the segmentation of rectification room, it is connected to simultaneously by the deflector hole on cowling panel with rectification room, rectification room bottom is the sealing gland plate equipped with deflector hole, sealing gland intralamellar part forms the seal chamber passed through for fibre bundle, is connect by labyrinth entrance with labyrinth seal channel in the tow outlet end of seal chamber.The principle that the present invention uses wire cutting to combine with labyrinth seal, is upwardly formed gaseous state curtain wall in the Vertical Square of fibre bundle direction of advance, effective that outside air is stopped to enter furnace interior.Meanwhile it can be effectively reduced nitrogen still by labyrinth road structure in tow outlet end and leaking, greatly reducing the consumption of nitrogen, considerably reduce production cost.
Description
Technical field
The present invention relates to a kind of labyrinth type gas locks and its control device for carbon fiber production, belong to carbon fiber production skill
Art field.
Background technique
Carbon fiber is a kind of very important novel metalloid material, has high tensile, high temperature resistant, anticorrosive etc. one
Number of advantages, while there is good processing performance, it is widely used in military affairs, aerospace, medical instrument, sports goods etc.
Numerous areas.
The processing of carbon fiber is usually the organic fiber precursor that will be obtained by the techniques such as spinneret, stretching, washing, densification
Pre-oxidation treatment is first carried out in 100~300 DEG C of oxidizing atmosphere, is then distinguished successively under the protective effect of inertia protection gas
The new carbon obtained after low-temperature carbonization and high temperature cabonization.
In carbon fiber production process, in order to improve the production efficiency, energy saving, generally require multi beam pre-oxidized fibers
Tow is lined up the band-like carbide furnace that continues through and handle.Therefore, carbide furnace must be open, in order to tow disengaging, still
The both ends fire door of high temperature furnace must seal.On the one hand it needs that the outer oxygen of high temperature furnace high temperature furnace is inhibited to diffuse to furnace high-temperature oxidation to produce
Raw a large amount of lousiness, influence product quality；On the other hand it is also required to avoid furnace high-temperature gas leak, pollutes ambient enviroment.It is existing
Sealing device it is varied, have the liquid airproof device that structure is more complicated, also there is miscellaneous gas-tight sealing.?
Its structure type is divided into flashboard type, duck-beak type and non-contact type labyrinth type etc. again in gas-tight sealing.Non-contact labyrinth
Often there is the problems such as air consumption is big, sealing effect is not ideal enough in sealing structure.
Summary of the invention
In order to solve the above technical problems, being taken the present invention provides a kind of labyrinth type gas lock for carbon fiber production
Technical solution it is 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, seal chamber 12 and labyrinth seal channel 11.Wherein, nitrogen inlet 1 is connected to expanding chamber 2, and 2 bottom of expanding chamber passes through whole
Flowing plate 3 and rectification room 13 are divided, while being connected to by the deflector hole 7 on cowling panel 3 with rectification room 13, and rectification 13 bottom of room is to set
There is the sealing gland plate 5 of sealing gland mouth 6, the seal chamber 12 passed through for fibre bundle 8 is formed inside sealing gland plate 5, in the tow of seal chamber 12
Outlet end is connect by labyrinth entrance 10 with labyrinth seal channel 11.
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 on the bottom surface of cowling panel 3.
It is highly preferred that deflector 4 is perpendicular to cowling panel 3.
Preferably, the tow input end of seal chamber 12 is equipped with the connector being tightly connected with the outlet end of carbide furnace.
Preferably, sealing gland mouth 6 is uniformly distributed on sealing gland plate 5, and wide equipped with multiple groups along the width direction of fibre bundle 8
Degree is greater than the sealing gland mouth 6 that tow exports 9 width.
The present invention also provides a kind of control devices containing the labyrinth type gas lock, mainly by control mechanism, sensor,
Meter, feeder composition.
Preferably, control mechanism 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 beneficial effect that the present invention obtains is：
The principle that the present invention uses wire cutting to combine with labyrinth seal, in the vertical direction of fibre bundle direction of advance
Gaseous state curtain wall is formed, it is effective that outside air is stopped to enter furnace interior.Meanwhile in tow outlet end still by labyrinth road knot
Structure can be effectively reduced nitrogen and leak, and greatly reduces the consumption of nitrogen, considerably reduces production cost.
Detailed description of the invention
Fig. 1 is the positive structure diagram of the labyrinth type gas lock in a kind of preferred embodiment of the present invention.
Fig. 2 is the structural schematic diagram of the control device containing labyrinth type gas lock in a kind of preferred embodiment 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 outlet；10, labyrinth entrance；11, labyrinth seal channel；12, seal chamber；13, rectify 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
The present invention is described in further details with reference to the accompanying drawing, but following detailed description is not intended as to limit of the invention
It is fixed.
Fig. 1 is the positive structure diagram of labyrinth type gas lock in a kind of preferred embodiment of the present invention.Arrow direction in figure
For the direction of advance of fibre bundle 8.As can be known from Fig. 1, the labyrinth type gas lock be by expanding chamber 2, rectification room 13, seal chamber 12 with
And labyrinth seal channel 11 forms.Wherein, a nitrogen inlet 1 is respectively equipped in 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 expands rapidly after entering expanding chamber.In the bottom of expanding chamber 2
It is the cowling panel 3 having perpendicular to 1 direction of nitrogen inlet.Several equally distributed deflector holes 7 are equipped with, on cowling panel 3 to incite somebody to action
Nitrogen in expanding chamber 2 after expansion is imported into rectification room 13.Meanwhile still having on cowling panel 3 in rectification room 13
In several deflectors 4 nitrogen guiding is located to the gas of rectification 13 lower part of room to carry out water conservancy diversion to by the nitrogen of deflector hole 7
Sealing plate 5.Several sealing gland mouths 6 are evenly distributed on sealing gland plate 5, to be formed after nitrogen is by sealing gland mouth 6 perpendicular to fiber filament
The gaseous state curtain wall of beam 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 direction of tow is equipped with the width of several tow outlets for being greater than 12 one end of seal chamber formed by sealing gland plate 5 to length, with
Outside air is shut to enter in the carbide furnace being connected to 12 other end of seal chamber.In the seal chamber 12 that sealing gland plate 5 is formed, one
End is tow outlet 9, and the other end is the connector being tightly connected with carbide furnace.In one end of tow outlet 9, it is equipped with labyrinth seal
Channel 11,9 inside of tow outlet is the channel passed through for fiber fibroin 8, and the labyrinth that outside is then labyrinth seal channel 11 enters
Mouth 10, so that excessive exhaust gas or nitrogen to be imported into labyrinth seal channel 11.
Fig. 2 is the structural schematic diagram of the control device containing labyrinth type gas lock in a kind of preferred embodiment of the present invention.It can from Fig. 2
Know, which mainly has labyrinth type gas lock 14, computer, meter 16, sensor 17, check-valves 18, pneumatic control valve
19 and feeder 20 form.It can also include the gas manufacturing plants 21 being connect with feeder 20.Wherein, labyrinth type gas
Two nitrogen inlets 1 of lock 14 are connect with steam line.And have proximal and distal be connected in turn on the steam line of nitrogen inlet 1
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 connect with pneumatic control valve 19,
Can be by the 15 automatic control and adjustment valve 19 of computer of control mechanism, the final control realized to 20 gas output of feeder.It passes
Sensor 17 and meter 16 collect the data information of gas in pipelines, and can feed back data information into computer 15, with
The final control realized to factors such as the nitrogen or other protection air-flow amount, flow velocity, temperature entered in labyrinth type gas lock 14.Labyrinth
The burner hearth of the devices such as one section of formula gas lock 14 and high temperature carbonization furnace is connect, the quilt after labyrinth type gas lock 14 of the tow 22 in burner hearth
It pulls out.The protection gas such as nitrogen has gas manufacturing plants 21 to manufacture or directly buy the next gas supply of feeder 20 again,
After pneumatic control valve 19, by one way stop peturn valve 18, using being further separated into labyrinth type after sensor 17 and meter 16
Two nitrogen inlets 1 of gas lock 14.When by labyrinth type gas lock 14, sealed in 11 one end of labyrinth seal channel, and from burner hearth 23
Into in high temperature carbonization furnace or low-temperature carbonization furnace.It can be recycled again by the waste gas outlet of high temperature carbonization furnace or low-temperature carbonization furnace.
Although the present invention has been disclosed in the preferred embodiment as above, it is not intended to limit the invention, any to be familiar with this
The people of technology can do various changes and modification, therefore protection of the invention without departing from the spirit and scope of the present invention
Range should subject to the definition of the claims.
Claims (6)
1. a kind of labyrinth type gas lock for carbon fiber production, which is characterized in that including nitrogen inlet (1), expanding chamber (2) is whole
Flow chamber (13), seal chamber (12) and labyrinth seal channel (11), wherein nitrogen inlet (1) is connected to expanding chamber (2), expansion
Room (2) bottom passes through the deflector hole (7) on cowling panel (3) and rectification room by cowling panel (3) and rectification room (13) segmentation
(13) it is connected to, rectification room (13) bottom is the sealing gland plate (5) equipped with sealing gland mouth (6), is formed inside sealing gland plate (5) for fibre bundle
(8) seal chamber (12) passed through passes through labyrinth entrance (10) and labyrinth seal channel in the tow outlet end of seal chamber (12)
(11) it connects, the bottom surface of the cowling panel (3) is equipped with deflector (4), and the deflector (4) is perpendicular to cowling panel (3).
2. labyrinth type gas lock described in claim 1, which is characterized 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. labyrinth type gas lock described in claim 1, which is characterized in that the tow input end of seal chamber (12) is equipped with and carbide furnace
Outlet end be tightly connected connector.
4. labyrinth type gas lock described in claim 1, which is characterized in that sealing gland mouth (6) is uniformly distributed on sealing gland plate (5), and
The sealing gland mouth (6) that multiple groups width is greater than tow outlet (9) width is equipped with along the width direction of fibre bundle (8).
5. a kind of control device containing labyrinth type gas lock described in claim 1, which is characterized in that mainly by control mechanism, biography
Sensor (17), meter (16), feeder (20) composition, the control mechanism include computer (15), sensor (17), stop
Return valve (18) and pneumatic control valve (19).
6. control device described in claim 5, which is characterized in that computer (15) and sensor (17), check-valves (18), gas
Dynamic regulating valve (19), feeder (20) and meter (16) connection, 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 |
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| 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 |
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| CN106480550A CN106480550A (en) | 2017-03-08 |
| CN106480550B true CN106480550B (en) | 2018-11-30 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2016
- 2016-10-31 CN CN201610926301.6A patent/CN106480550B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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