CN206783842U - 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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- CN206783842U CN206783842U CN201621152548.9U CN201621152548U CN206783842U CN 206783842 U CN206783842 U CN 206783842U CN 201621152548 U CN201621152548 U CN 201621152548U CN 206783842 U CN206783842 U CN 206783842U
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- labyrinth
- type gas
- gas lock
- labyrinth type
- sealing gland
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Abstract
The utility model discloses a kind of labyrinth type gas lock and its control device for carbon fiber production, belong 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 connects with expanding chamber, split by cowling panel and rectification room expanding chamber bottom, connected simultaneously by the pod apertures on cowling panel with rectification room, rectification room bottom is the sealing gland plate provided with pod apertures, sealing gland intralamellar part forms the annular seal space passed through for fibre bundle, is connected in the tow port of export of annular seal space by labyrinth entrance with labyrinth seal passage.The utility model uses the principle that wire cutting is combined with labyrinth seal, and gaseous state curtain wall is upwardly formed in the Vertical Square of fibre bundle direction of advance, effective to stop that extraneous air enters furnace interior.Meanwhile it can effectively reduce nitrogen still by labyrinth road structure in the tow port of export and leak, greatly reduce the consumption of nitrogen, considerably reduce production cost.
Description
Technical field
A kind of labyrinth type gas lock and its control device for carbon fiber production is the utility model is related to, belongs to carbon fiber life
Produce technical field.
Background technology
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 characteristics, it is widely used in military affairs, Aero-Space, medicine equipment, sports goods etc.
Numerous areas.
The processing of carbon fiber is usually the organic fiber precursor that will be obtained by techniques such as spinneret, stretching, washing, densifications
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 production efficiency, save energy consumption, generally require multi beam pre-oxidized fibers
Tow, which lines up banding and continues through carbide furnace, handle.Therefore, carbide furnace must be open, in order to which tow passes in and out, still
The both ends fire door of high temperature furnace must seal.On the one hand need to suppress oxygen outside high temperature furnace high temperature furnace and diffuse to furnace high-temperature oxidation production
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 surrounding environment.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
The problems such as air consumption is big, sealing effectiveness is not ideal enough often be present in sealing structure.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of labyrinth type gas lock for carbon fiber production, institute
The technical scheme taken 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, annular seal space 12 and labyrinth seal passage 11.Wherein, nitrogen inlet 1 connects with expanding chamber 2, and the bottom of expanding chamber 2 passes through whole
Flowing plate 3 is split with rectification room 13, while is connected by the pod apertures 7 on cowling panel 3 with rectification room 13, and the bottom of rectification room 13 is
Sealing gland plate 5 provided with sealing gland mouth 6, sealing gland plate 5 is internally formed the annular seal space 12 passed through for fibre bundle 8, in the silk of annular seal space 12
The beam port of export is connected by labyrinth entrance 10 with labyrinth seal passage 11.
Preferably, the cross-sectional area in expanding chamber 2 and rectification room 13 is 100~200 times of the inlet area of nitrogen inlet 1.
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 is provided with multigroup width along the width of fibre bundle 8
Degree is more than the sealing gland mouth 6 that tow exports 9 width.
A kind of control device containing above-mentioned labyrinth type gas lock, mainly filled by controlling organization, sensor, meter, supply
Put 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 utility model obtain beneficial effect be：
The utility model uses the principle that wire cutting is combined with labyrinth seal, in the Vertical Square of fibre bundle direction of advance
Gaseous state curtain wall is upwardly formed, it is effective to stop that extraneous air enters furnace interior.Meanwhile in the tow port of export still by labyrinth
Road structure, it can effectively reduce nitrogen and leak, greatly reduce the consumption of nitrogen, considerably reduce production cost.
Brief description of the drawings
Fig. 1 is the positive structure diagram of the labyrinth type gas lock in a kind of preferred scheme of the utility model.
Fig. 2 is the structural representation of the control device containing labyrinth type gas lock in a kind of preferred scheme of the utility model.
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 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.
Embodiment
The utility model is described in further details below in conjunction with the accompanying drawings, but described further below is not intended as to this practicality
New restriction.
Fig. 1 is the positive structure diagram of labyrinth type gas lock in a kind of preferred scheme of the utility model.Arrow is signified in figure
Direction is the direction of advance of fibre bundle 8.As can be known from Fig. 1, the labyrinth type gas lock is by expanding chamber 2, rectification room 13, annular seal space
12 and labyrinth seal passage 11 form.Wherein, a nitrogen inlet 1 is respectively equipped with the upper end of expanding chamber 2 and low side.It is swollen
Cross-sectional area in swollen room 2 is 200 times of the nitrogen inlet 1, so that nitrogen expands rapidly after entering expanding chamber.In expanding chamber 2
Bottom be to have the cowling panel 3 perpendicular to the direction of nitrogen inlet 1.Some equally distributed pod apertures 7 are provided with cowling panel 3,
So as to which the nitrogen in expanding chamber 2 after expansion is imported into rectification room 13.Meanwhile still have in whole on cowling panel 3
Some deflectors 4 in flow chamber 13, to carrying out water conservancy diversion by the nitrogen of pod apertures 7, nitrogen to be oriented to and is located under rectification room 13
The sealing gland plate 5 in portion.Some sealing gland mouths 6 are evenly distributed with sealing gland plate 5, so as in nitrogen by sealing gland mouth 6 after formed perpendicular to
The gaseous state curtain wall of fibre bundle 8.Wherein, sealing gland mouth 6 is preferably arranged in the form perpendicular to the direction of advance of fibre bundle 8.Meanwhile
Some tow outlets for being more than the one end of annular seal space 12 formed by sealing gland plate 5 to length are provided with along the width of fibre bundle 8
Width, entered with shutting extraneous air in the carbide furnace connected with the other end of annular seal space 12.In the annular seal space that sealing gland plate 5 is formed
In 12, 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 provided with
Labyrinth seal passage 11, the inner side of tow outlet 9 is the passage passed through for fiber fibroin 8, and outside is then labyrinth seal passage 11
Labyrinth entrance 10, so as to which excessive waste gas or nitrogen are imported into labyrinth seal passage 11.
Fig. 2 is the structural representation of the control device containing labyrinth type gas lock in a kind of preferred scheme of the utility model.From
Fig. 2 understands that the control device mainly has labyrinth type gas lock 14, computer, meter 16, sensor 17, check-valves 18, pneumatic tune
Section valve 19 and feeder 20 form.The gas manufacturing plants 21 being connected with feeder 20 can also be included.Wherein, labyrinth
Two nitrogen inlets 1 of formula gas lock 14 are connected with steam line.Proximal and distal connect successively with having on the steam line of nitrogen inlet 1
It is connected to meter 16, sensor 17, check-valves 18 and pneumatic control valve 19.Meter 16, sensor 17, check-valves 18 and
Pneumatic control valve 19 is attached with computer 15 respectively, to realize chain control.Feeder 20 connects with pneumatic control valve 19
Connect, the control to the gas output of feeder 20 can finally be realized by the automatic control and adjustment valve 19 of computer 15 of controlling organization
System.Sensor 17 and meter 16 collect the data message of gas in pipelines, and data message can be fed back to computer 15
In, with the final control realized to entering the factors such as nitrogen or other protection air-flow amount, flow velocity, temperature in labyrinth type gas lock 14
System.The burner hearth of the devices such as one section of labyrinth type gas lock 14 and high temperature carbonization furnace is connected, and the tow 22 in burner hearth passes through labyrinth type gas
Pulled out after lock 14.The protection gas such as nitrogen has gas manufacturing plants 21 to manufacture or directly buy next feeder again
20 supply, after pneumatic control valve 19, by one way stop peturn valve 18, then are further separated into after sensor 17 and meter 16
Two nitrogen inlets 1 of labyrinth type gas lock 14.During by labyrinth type gas lock 14, sealed in the one end of labyrinth seal passage 11, and from
Burner hearth 23 enters in high temperature carbonization furnace or low-temperature carbonization furnace.It can be returned again by the waste gas outlet of high temperature carbonization furnace or low-temperature carbonization furnace
Receive.
Although the utility model is disclosed as above with preferred embodiment, it is not limited to the utility model, appoints
What person skilled in the art, is not departing from spirit and scope of the present utility model, can do various changes and modification, therefore
What the scope of protection of the utility model should be defined by claims is defined.
Claims (7)
1. a kind of labyrinth type gas lock for carbon fiber production, it is characterised in that whole including nitrogen inlet (1), expanding chamber (2)
Flow chamber (13), annular seal space (12) and labyrinth seal passage (11), wherein, nitrogen inlet (1) connects with expanding chamber (2), expansion
Room (2) bottom is split by cowling panel (3) and rectification room (13), while passes through the pod apertures (7) on cowling panel (3) and rectification room
(13) connect, rectification room (13) bottom is the sealing gland plate (5) provided with sealing gland mouth (6), and sealing gland plate (5) is internally formed for fibre bundle
(8) annular seal space (12) passed through, labyrinth entrance (10) and labyrinth seal passage are passed through in the tow port of export of annular seal space (12)
(11) connect.
2. labyrinth type gas lock according to claim 1, it is characterised in that transversal in expanding chamber (2) and rectification room (13)
Area is 100~200 times of nitrogen inlet (1) inlet area.
3. labyrinth type gas lock according to claim 1, it is characterised in that be additionally provided with water conservancy diversion on the bottom surface of cowling panel (3)
Plate (4).
4. labyrinth type gas lock according to claim 3, it is characterised in that deflector (4) is perpendicular to cowling panel (3).
5. labyrinth type gas lock according to claim 1, it is characterised in that the tow entrance point of annular seal space (12) is provided with and carbon
Change the connector that the port of export of stove is tightly connected.
6. labyrinth type gas lock according to claim 1, it is characterised in that sealing gland mouth (6) uniformly divides on sealing gland plate (5)
Cloth, and it is provided with sealing gland mouth (6) of multigroup width more than tow outlet (9) width along the width of fibre bundle (8).
A kind of 7. control device containing labyrinth type gas lock described in claim 1, it is characterised in that mainly by computer (15),
Meter (16), sensor (17), check-valves (18), pneumatic control valve (19) and feeder (20) composition；Computer (15)
It is connected with sensor (17), check-valves (18), pneumatic control valve (19), feeder (20) and meter (16), with the company of realization
Lock control；Two nitrogen inlets (1) of labyrinth type gas lock (14) are connected with steam line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621152548.9U CN206783842U (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 |
|---|---|---|---|
| CN201621152548.9U CN206783842U (en) | 2016-10-31 | 2016-10-31 | A kind of labyrinth type gas lock and its control device for carbon fiber production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206783842U true CN206783842U (en) | 2017-12-22 |
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| CN201621152548.9U Active CN206783842U (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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106480550A (en) * | 2016-10-31 | 2017-03-08 | 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 CN201621152548.9U patent/CN206783842U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106480550A (en) * | 2016-10-31 | 2017-03-08 | 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 |
| CN106480550B (en) * | 2016-10-31 | 2018-11-30 | 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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