CN207031268U - A kind of optical fiber annealing extension tube - Google Patents
A kind of optical fiber annealing extension tube Download PDFInfo
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- CN207031268U CN207031268U CN201720532255.1U CN201720532255U CN207031268U CN 207031268 U CN207031268 U CN 207031268U CN 201720532255 U CN201720532255 U CN 201720532255U CN 207031268 U CN207031268 U CN 207031268U
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- pipeline section
- quartzy
- quartz
- optical fiber
- reducing pipeline
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Abstract
The utility model provides a kind of optical fiber annealing extension tube, it is responsible for including quartz, the upward middle part of quartzy charge shaft is reducing pipeline section, body caliber of the quartz supervisor positioned at reducing pipeline section both sides is less than the minimum pipe in reducing pipeline section, quartzy branch pipe is connected with reducing pipeline section, quartzy branch pipe is connected at the maximum caliber of reducing pipeline section, and quartzy branch pipe connects with quartzy main pipe；The other end of quartzy branch pipe is connected with negative suction system；Middle pipeline section caliber on reducing pipeline section axial direction is maximum, and the body caliber that reducer pipe section is located at in-between pipeline section both sides is gradually reduced.The quartz supervisor of optimizing structure design, coordinate negative suction system can be to the online cleaning treatment of carry out such as generation in optical fiber furnace and the oxide entered in annealing extension tube, volatile matter, on the premise of ensureing optical fiber quality, the disconnected fine rate of optical fiber is reduced, improves production efficiency.
Description
Technical field
The utility model belongs to silica fibre technical field, and in particular to a kind of optical fiber annealing extension tube.
Background technology
With the improvements of Optical Fiber Market, market is increasingly incremental to the demand of optical fiber, and major optical fiber producer is all being carried
Speed, production efficiency is improved to meet the needs of market.Optical fiber annealing extension tube is arranged on below fiber drawing furnace, for preventing optical fiber from taking out
It is quenched after going out and influences its performance, the annealing of traditional optical fiber is more by the way of graphite bushing pipe and metal tube are combined, such as, in
Optical fiber annealing device disclosed in state patent CN201121163Y and CN102079623B, it is simple to operate and practical, to optical fiber
Tool of withdrawing the membership has certain effect, but is limited by metal itself material, and under the influence of high/low temperature circulation is subjected to for a long time, metal becomes
Shape is serious, so as to be had an impact to optical fiber quality.
On the other hand, with the gradual increase of preform size, time of single optical wand wire drawing gradually increases (most long at present
The wire drawing time can accomplish 6 days or so), cause caused oxide increase in optical fiber furnace, when wire drawing is to optical wand tail end, by
Gradually accumulate the oxide increased, volatile matter enter annealing extension tube in, narrow space is oxidized easily thing in annealing extension tube
Blocked with volatile matter and influence gas flowing, cause naked fibre to fluctuate, while volatile matter easily drops and is adhered to naked fibre table again
SiC particulate can enter inside naked fibre under face, or even high temperature, cause optical fiber surface to produce micro-crack, under high temperature and high speed traction
So that optical fiber surface defect increases, fiber strength is reduced, the mechanical property of follow-up optical fiber, screening test and stranding characteristic are produced
Raw adverse effect.
The content of the invention
In order to solve the above technical problems, the utility model provides a kind of optical fiber annealing extension tube, optimizing structure design
Quartz supervisor, coordinate negative suction system can be to generation in optical fiber furnace and the oxide, the volatile matter that enter in annealing extension tube
Deng the online cleaning treatment of carry out, on the premise of ensureing optical fiber quality, the disconnected fine rate of optical fiber is reduced, improves production efficiency.
To reach above-mentioned purpose, the technical solution of the utility model is as follows：A kind of optical fiber annealing extension tube, including quartz are main
Pipe, it is characterised in that：The upward middle part of the quartzy charge shaft is reducing pipeline section, and the quartz supervisor is located at reducing pipeline section
The body caliber of both sides is less than the minimum pipe in reducing pipeline section, and quartzy branch pipe, the quartz are connected with the reducing pipeline section
Branch pipe is connected at the maximum caliber of reducing pipeline section, and the quartzy branch pipe connects with quartzy main pipe；
The other end of the quartzy branch pipe is connected with negative suction system；
Middle pipeline section caliber on the reducing pipeline section axial direction is maximum, and the reducer pipe section is located at in-between pipeline section both sides
Body caliber is gradually reduced.
In a preferred embodiment of the present utility model, further comprise the quartz supervisor with split settings and same
Two parts that axis connection is integrated, respectively quartz ampoule one and quartz ampoule two, the bottom caliber on the axial direction of quartz ampoule one
Gradually increase, the upper end caliber on the axial direction of quartz ampoule two is gradually reduced, the lower end ends and stone of the quartz ampoule one
The upper end end connection of English pipe two, the quartzy branch pipe are connected on the upper end of quartz ampoule two.
In a preferred embodiment of the present utility model, further comprise that the upward both ends of the quartzy charge shaft are all connected with
There is tracheae, inert protective gas is passed through into quartz supervisor by the tracheae.
In a preferred embodiment of the present utility model, further comprise that axially symmetrical both sides connect the quartz supervisor
The quartzy branch pipe is connected to, the other end of the two quartzy branch pipes is all connected with negative suction system.
In a preferred embodiment of the present utility model, further comprise that the negative suction system includes suction pump, taken out
Suction pipe, one end of the suction tube connect quartzy branch pipe, and its other end connects suction pump, and pressure tune is additionally provided with the suction tube
Save valve and pressure gauge.
In a preferred embodiment of the present utility model, further comprise that the tube wall of the upper end of quartz ampoule two is provided with
Neck, the bottom on the axial direction of quartz ampoule one are tightly connected after inserting in the neck.
In a preferred embodiment of the present utility model, further comprise that the length of the reducing pipeline section is grown for quartz supervisor
0.025~0.03 times of degree.
In a preferred embodiment of the present utility model, further comprise：The reducing pipeline section is stepped change
Reducing pipeline section, pipe diameter change 10mm~15mm on adjacent steps.
In a preferred embodiment of the present utility model, further comprise that the tracheae is provided with flowmeter.
In a preferred embodiment of the present utility model, further comprise that the two of both the suction tube and quartzy branch pipe connect
High temperature resistant leather hose is cased with outside touching.
The beneficial effects of the utility model are:
One, the quartz of optimizing structure design are responsible for, coordinate negative suction system can be to producing and entering in optical fiber furnace
The online cleaning treatment of the carry out such as oxide, volatile matter in annealing extension tube, on the premise of ensureing optical fiber quality, reduce optical fiber
Disconnected fine rate, improves production efficiency；
Secondly, it is theoretical according to gas flowing and pressure gradual change, and take into full account that influence of the structure change to air current flow comes
The structure of design quartz supervisor, gas is driven by the optical fiber of high-speed motion during high-speed wire-drawing, in quartz supervisor enters reducing
Pipeline section region, gas motion, which slows down, in reducing pipeline section region tends to laminar motion；At the same time, stove inner oxide and volatile matter
When entering reducing pipeline section region during being driven by optical fiber, because space increases, air-flow slows down, the oxygen into quartz supervisor
Compound and volatile matter are deposited in reducing pipeline section region, and the negative suction system of matching design cleans reducing pipeline section region Nei Dui online
Long-pending discarded object, the removing discarded object of maximal clearance；
Thirdly, the quartz supervisor with reducing pipeline section be designed to two parts of dismounting, facilitate wire drawing terminate after quartz it is main
Cleaned in the pipe of pipe；
The portion gas in quartz supervisor four, can be also aspirated during negative suction system suction discarded object, is led to
Cross tracheae and be passed through inert gas into quartz supervisor, the inert gas being on the one hand passed through shields, and is on the other hand passed through
Inert gas plays a part of balancing intraductal atmospheric pressure in the case that gas is sucked in pipe, it is ensured that optical fiber production is normally entered
OK, beneficial to the wire drawing quality for improving optical fiber.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the utility model embodiment technology, embodiment technology will be retouched below
The required accompanying drawing used is briefly described in stating, it should be apparent that, drawings in the following description are only the utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the structural representation of the utility model preferred embodiment；
Fig. 2 is the structural representation of the utility model preferred embodiment quartz ampoule two；
Fig. 3 is the structural representation of the junction of the utility model preferred embodiment quartz ampoule one and quartz ampoule two.
Wherein：1- optical fiber, 2- quartz supervisors, 4- reducing pipeline sections, 6- quartz branch pipes, 8- quartz ampoules one, 10- quartz ampoules two,
12- tracheaes, 14- suction pumps, 16- suction tubes, 18- pressure-regulating valves, 20- pressure gauges, 22- flowmeters, 24- high temperature resistant leather hoses,
26- necks, 28- rubber grommets.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Embodiment
As shown in figure 1, a kind of optical fiber annealing extension tube is disclosed in the present embodiment, including quartz supervisor 2, quartz supervisor 2
It is connected on fiber drawing furnace, optical fiber 1 passes the central shaft hole in quartz supervisor 2 during use, and quartz is connected with above-mentioned reducing pipeline section 4
Branch pipe 6, above-mentioned quartzy branch pipe 6 are connected at the maximum caliber of reducing pipeline section 4, and above-mentioned quartzy branch pipe 4 inside quartz supervisor 2 with connecting
Logical, the other end of above-mentioned quartzy branch pipe 6 is connected with negative suction system；In technical solutions of the utility model, above-mentioned quartz supervisor 2
Middle part on axial direction is reducing pipeline section 4, and the 2 body caliber positioned at the both sides of reducing pipeline section 4 of above-mentioned quartz supervisor is less than reducing
Minimum pipe in pipeline section 4, the middle pipeline section caliber on the above-mentioned axial direction of reducing pipeline section 4 is maximum, and above-mentioned reducing pipeline section 4 is located therein
Between the body calibers of pipeline section both sides be gradually reduced；Specifically, in the present embodiment technical scheme, the length of above-mentioned reducing pipeline section 4 is
Quartz supervisor 0.025~0.03 times of 2 length, such as, the length of quartz supervisor 2 is 1.2m (1200mm), the length of reducing pipeline section 4
Spend and be arranged on the middle part on 2 axial directions of quartz supervisor for 30~36mm, reducing pipeline section 4；Further, the present embodiment technical side
In case, reducing pipeline section 4 is preferably the reducing pipeline section 4 of stepped change, the pipe diameter change 10mm on adjacent steps
~15mm, such as, quartz supervisor 2 is 50mm positioned at the diameter design of the both sides body of reducing pipeline section 4, and the body of reducing pipeline section 4 is straight
Footpath is followed successively by 60mm, 70mm, 80mm, 80mm, 70mm, 60mm, length 4mm~5mm of every section of ladder body.
The quartz supervisor 2 of above structure design, takes into full account influence of the structure change to air current flow, high-speed wire-drawing process
In, gas is driven into the region of reducing pipeline section 4 by the optical fiber 1 of high-speed motion in quartz supervisor 2, the gas in the region of reducing pipeline section 4
Body motion slows down and tends to laminar motion；At the same time, fiber drawing furnace inner oxide and volatile matter enter during being driven by optical fiber 1
During reducing 4 region of pipeline section, because space increases, air-flow slows down, oxide and volatile matter bulk deposition into quartz supervisor 2
In the region of reducing pipeline section 4, the negative suction system of matching design cleans the discarded object accumulated in the region of reducing pipeline section 4 online, real
The online removing discarded object of existing maximal clearance, on the premise of ensureing optical fiber quality with this, the disconnected fine rate of optical fiber is reduced, improves life
Produce efficiency.
In the present embodiment technical scheme, the structure for aspirating the negative suction system of discarded object is as follows：
Above-mentioned negative suction system includes suction pump 14, suction tube 16, and one end of above-mentioned suction tube 16 connects quartzy branch pipe
6, its other end connects suction pump 14, and pressure-regulating valve 18 and pressure gauge 20 are additionally provided with above-mentioned suction tube 16；Suction pump 14 is opened
Movable property gives birth to negative pressure, and the discarded object accumulated under suction function at reducing pipeline section 4 suctions out from quartzy branch pipe 6, through the quilt of suction tube 16
Detach and enter waste recovery device, reach the effect of online cleaning quartz supervisor 2, negative pressure is adjusted by pressure-regulating valve 18
Size, while current suction pressure value is intuitively shown on pressure gauge 20.
Both two contacts of above-mentioned suction tube 16 and quartzy branch pipe 6 are outer to be cased with high temperature resistant leather hose 24, during use
Suction tube 16 is metal tube, and quartzy branch pipe 6 is quartz ampoule, and the one side of design high temperature resistant leather hose 24 plays the sealing during connection of pipe pipe
Effect, on the other hand plays the effect that is flexible coupling, and protects quartzy branch pipe 6 from damage.
For the suction force in balanced quartz supervisor 2, the normal of optical fiber 1 is not influenceed and wears fibre, in the present embodiment technical scheme,
Above-mentioned 2 axially symmetric both sides of quartz supervisor are respectively connected with above-mentioned quartzy branch pipe 6, and the negative suction system of above structure, which has, to be divided
Lian Jie not be two of two quartzy branch pipes 6.
Also the portion gas in quartz supervisor 2 can be aspirated during negative suction system suction discarded object, in order to not
Fibre is normally worn in influence quartz supervisor 2, the both ends that above-mentioned quartz is responsible on 2 axial directions are respectively connected with tracheae 12, above-mentioned tracheae 12
Flowmeter 22 is provided with, inert protective gas is passed through into quartz supervisor 2 by above-mentioned tracheae 12, can be led by flowmeter 22
That sees checks current gas intake；Inert gas is passed through into quartz supervisor 2 by tracheae 12, the indifferent gas being on the one hand passed through
Body shields, and the inert gas being on the other hand passed through plays balance in quartz supervisor 2 in the case that gas is sucked
The effect of intraductal atmospheric pressure, it is ensured that optical fiber production is normally carried out, beneficial to the wire drawing quality for improving optical fiber.
As further improvement of the utility model, above-mentioned quartz supervisor 2 has split settings and coaxially connected is integrated
Two parts, respectively quartz ampoule 1 and quartz ampoule 2 10, the bottom caliber on the above-mentioned axial direction of quartz ampoule 1 gradually increases,
Upper end caliber on the above-mentioned axial direction of quartz ampoule 2 10 is gradually reduced, lower end ends and the quartz ampoule two of above-mentioned quartz ampoule 1
10 upper end end connection, above-mentioned quartzy branch pipe 6 are connected on the upper end of quartz ampoule 2 10.Quartz ampoule 1 and quartz ampoule
10 2 are fixed by the way of it can dismantle between the two；Specially：As shown in Figure 2,3, the above-mentioned upper end of quartz ampoule 2 10
Tube wall is provided with neck 26, and the bottom on the above-mentioned axial direction of quartz ampoule 1 is tightly connected after inserting in above-mentioned neck 26, insertion
Fixed at connector using the sealing of high temperature resistant rubber grommet 28, the width of rubber grommet 28 is 2-5cm, a diameter of quartz ampoule 1 and stone
Both the middle maximum calibers of English pipe 2 10.The one side lock ring quartz ampoule 1 of high temperature resistant rubber grommet 28 and quartz ampoule 2 10 so that two
Person links together, and on the other hand plays the sealing function after connection,.Quartz supervisor 2 with reducing pipeline section 4 is designed to tear open
Two parts of dress, facilitate wire drawing to terminate to clean in the pipe of rear quartz supervisor 2, such as, wire drawing terminate after by quartz ampoule 1 and quartz
Pipe 2 10 is taken apart, and now reducing pipeline section, can be very easily to becoming respectively positioned at the end of quartz ampoule 1 and quartz ampoule 2 10
Footpath inner tube segment is thoroughly cleaned.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (10)
1. a kind of optical fiber annealing extension tube, including quartz supervisor, it is characterised in that：The upward middle part of the quartzy charge shaft
For reducing pipeline section, body caliber of the quartz supervisor positioned at reducing pipeline section both sides is less than the minimum pipe in reducing pipeline section, institute
State and quartzy branch pipe is connected with reducing pipeline section, the quartzy branch pipe is connected at the maximum caliber of reducing pipeline section, the quartz branch
Pipe connects with quartzy main pipe；
The other end of the quartzy branch pipe is connected with negative suction system；
Middle pipeline section caliber on the reducing pipeline section axial direction is maximum, and the reducer pipe section is located at the body of in-between pipeline section both sides
Caliber is gradually reduced.
A kind of 2. optical fiber annealing extension tube according to claim 1, it is characterised in that：The quartz supervisor sets with split
Put and coaxially connected two parts being integrated, respectively quartz ampoule one and quartz ampoule two, the lower end on the axial direction of quartz ampoule one
Portion's caliber gradually increases, and the upper end caliber on the axial direction of quartz ampoule two is gradually reduced, the bottom end of the quartz ampoule one
End is connected with the upper end end of quartz ampoule two, and the quartzy branch pipe is connected on the upper end of quartz ampoule two.
A kind of 3. optical fiber annealing extension tube according to claim 1 or 2, it is characterised in that：The quartzy charge shaft is upward
Both ends be respectively connected with tracheae, by the tracheae to quartz supervisor in be passed through inert protective gas.
A kind of 4. optical fiber annealing extension tube according to claim 1, it is characterised in that：The quartz supervisor is axially symmetrical
Both sides are respectively connected with the quartzy branch pipe, and the other end of the two quartzy branch pipes is all connected with negative suction system.
A kind of 5. optical fiber annealing extension tube according to claim 1 or 4, it is characterised in that：The negative suction system bag
Include suction pump, suction tube, one end of the suction tube connects quartzy branch pipe, the connection suction pump of its other end, on the suction tube
It is additionally provided with pressure-regulating valve and pressure gauge.
A kind of 6. optical fiber annealing extension tube according to claim 2, it is characterised in that：The pipe of the upper end of quartz ampoule two
Wall is provided with neck, and the bottom on the axial direction of quartz ampoule one is tightly connected after inserting in the neck.
A kind of 7. optical fiber annealing extension tube according to claim 1 or 2, it is characterised in that：The length of the reducing pipeline section
For 0.025~0.03 times of quartz supervisor's length.
A kind of 8. optical fiber annealing extension tube according to claim 7, it is characterised in that：The reducing pipeline section is stepped
The reducing pipeline section of change, pipe diameter change 10mm~15mm on adjacent steps.
A kind of 9. optical fiber annealing extension tube according to claim 3, it is characterised in that：The tracheae is provided with flowmeter.
A kind of 10. optical fiber annealing extension tube according to claim 5, it is characterised in that：The suction tube and quartzy branch pipe
Both two contacts are outer to be cased with high temperature resistant leather hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720532255.1U CN207031268U (en) | 2017-05-15 | 2017-05-15 | A kind of optical fiber annealing extension tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720532255.1U CN207031268U (en) | 2017-05-15 | 2017-05-15 | A kind of optical fiber annealing extension tube |
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| Publication Number | Publication Date |
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| CN207031268U true CN207031268U (en) | 2018-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720532255.1U Withdrawn - After Issue CN207031268U (en) | 2017-05-15 | 2017-05-15 | A kind of optical fiber annealing extension tube |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107082560A (en) * | 2017-05-15 | 2017-08-22 | 江苏亨通光纤科技有限公司 | A kind of optical fiber annealing extension tube |
-
2017
- 2017-05-15 CN CN201720532255.1U patent/CN207031268U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107082560A (en) * | 2017-05-15 | 2017-08-22 | 江苏亨通光纤科技有限公司 | A kind of optical fiber annealing extension tube |
| CN107082560B (en) * | 2017-05-15 | 2023-02-10 | 江苏亨通光纤科技有限公司 | Optical fiber annealing extension tube |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180223 Effective date of abandoning: 20230210 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180223 Effective date of abandoning: 20230210 |