CN206289171U - The water-cooling air-sealing device of fibre drawing furnace - Google Patents
The water-cooling air-sealing device of fibre drawing furnace Download PDFInfo
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- CN206289171U CN206289171U CN201621389131.4U CN201621389131U CN206289171U CN 206289171 U CN206289171 U CN 206289171U CN 201621389131 U CN201621389131 U CN 201621389131U CN 206289171 U CN206289171 U CN 206289171U
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Abstract
A kind of water-cooling air-sealing device of fibre drawing furnace, including base, with base water cooling chamber, set base water cooling chamber dividing plate in chamber, have base water inlet tube interface, base backwater interface tube, center to have base plate through holes on base；Graphite felt baffle ring, is supported on base, and there is graphite felt accommodating chamber in center；One group of graphite felt, the central preform sealing mating holes of this group of graphite felt is corresponding with base plate through holes and communicates；Sealing gland cylinder, is supported on graphite felt baffle ring, there is sealing gland cylinder water cooling separate space on sealing gland cylinder, and water-stop sheet is set in chamber, corresponding to the side of water-stop sheet bottom connect cooling water water inlet interface, the top of opposite side connects cooling water backwater interface；Cylinder closure, its center sets preform suspension rod resigning hole.Graphite piece in protection fibre drawing furnace；One group of graphite felt is avoided to be washed away by high temperature gas flow and reduce the sealing effectiveness and preform between；Avoid high temperature gas flow from washing away and cause leakage；Lifting is to one group of protecting effect of graphite felt.
Description
Technical field
The utility model belongs to optical fiber producing apparatus technical field, and in particular to a kind of water-cooling air-sealing dress of fibre drawing furnace
Put.
Background technology
As is known in the industry, optical fiber is that preform is heated into soft state by fibre drawing furnace in fibre drawing furnace
Pull, in drawing process, because the temperature in fibre drawing furnace is higher（Nearly 2200 DEG C or so）, thus in order to protect light
Graphite heater in fine fiber drawing furnace, need to be to inert gas be introduced in stove, inert gas such as argon gas or argon gas are mixed with nitrogen
Gas is closed, while needing control outside air to enter in stove.It is to prevent the external world to set sealing device in the upper end of fibre drawing furnace
Air invades the common practice in fibre drawing furnace.
The technical information of the sealing device of fibre drawing furnace can be seen in disclosed Chinese patent literature, it is typical as sent out
" a kind of drawing optical fibers furnace roof air seal set " that bright patent application publication CN104445916A recommends, the patent structure is by certainly
Tight spring, annular base, graphite sealing gland ring and upper press ring composition, in a state of use, annular bottom plate is arranged on fibre drawing furnace
Furnace roof porch, preform feeding fibre drawing furnace in during, graphite sealing gland ring inner side by optical fiber prefabricating
Rod press to be affixed to direction and in the presence of self-tightening spring with preform down it is tactile, and when optical fiber prefabricating rod outside diameter become
Self-tightening spring can accordingly folding and unfolding during change（For details, reference can be made to the 0013rd to 0014 section of the patent specification）.Certainly, this is special
It is its strong point that sharp structure is extremely simple, but there is following shortcoming：First, during preform drawing, starting wire drawing
Desired sealing function can be played by graphite sealing gland ring with the middle overwhelming majority time, but in ending, especially work as optical fiber prefabricating
The last diameter of rod（The diameter of caudal peduncle part）Such as reach or even exceed with the diameter difference increase between preform body
During 20mm, graphite sealing gland ring can show helpless sealing gland effect；Second, because the temperature of fibre drawing furnace is higher, such as
It is foregoing to reach nearly 2200 DEG C, thus the temperature of furnace roof porch is also corresponding higher, then to graphite sealing gland ring and self-tightening bullet
The influence of spring be it is extremely serious, without how long, there is all damage in graphite sealing gland ring and self-tightening spring；Third, due to the cause of spring
Life weakness is also easy to produce fatigue and the effect that follows the string, thus to keep its effect, then must frequently change.
A kind of more typical " the fibre drawing furnace sealing device " provided such as Authorization Notice No. CN203728719U, this is special
Sharp scheme utilizes the relative sliding matching mode of inner and outer sleeves（Inner and outer sleeves form sliding pair each other）Realize to Hu Ding tops
Sealing, and seal is set in the bottom of outer sleeve, sealing is formed by the seal and furnace roof porch, but due to inner sleeve
The outer wall of cylinder is also easy to produce gap with the inwall of outer sleeve because frequently rubbing, and outside air can enter in stove from the gap, be based on
This, the reasonability value discussion deeply of the patent structure.
The sealing device of the fibre drawing furnace including being not limited in the prior art including two patents exemplified above
It is not enough to reach the effect that the desired oxygen prevented in outside air of industry enters in stove.Additionally, graphite seal such as stone
Although black felt can show good sealing characteristics, because it belongs to consumable accessory or easy consumption part category and price
It is prohibitively expensive, thus for a big cost burden is undoubtedly for optical fiber production manufacturer, because under normal conditions, often completing one
The wire drawing of root preform, need to change the graphite felt of the structural system of the sealing device of fibre drawing furnace, the expense for being spent
About 400 yuan（RMB）.Then the problem as how rational structure design is protected by graphite felt equally suffers from industry simultaneously
And expect to solve, but all sealing dresses to fibre drawing furnace are showed no in patent disclosed so far and non-patent literature
Graphite seal used is put to implement protection and use the technical inspiration increased the service life while sealing effectiveness is not subtracted.
In view of above-mentioned prior art, the applicant has made lasting and beneficial exploration and design repeatedly, forms finally
Technical scheme described below, and test center in the case where secrecy provision is taken in the applicant is simulated examination
Test, as a result prove practicable.
The content of the invention
Task of the present utility model be provide it is a kind of help significantly to subtract improve with the sealing effectiveness of furnace roof porch and
Use and avoid outside air from invading in stove, be conducive to effectively protecting the graphite felt as seal and using ensures graphite not
The water-cooling air-sealing device of the fibre drawing furnace significantly increased the service life on the premise of subtracting sealing effectiveness.
What task of the present utility model was performed by, a kind of water-cooling air-sealing device of fibre drawing furnace, including a bottom
Seat, the base is formed with a base water cooling chamber, a base water cooling chamber dividing plate is provided with the base water cooling chamber, the bottom of at
With being connected to a base water inlet tube interface on seat and positioned at the side of base water cooling chamber dividing plate, and be located at base water cooling chamber every
The opposite side of plate offers a base plate through holes with being connected to a base backwater interface tube in the middle position of base；One graphite
Felt baffle ring, the graphite felt baffle ring is supported on the base, and offering a graphite felt in the middle position of the graphite felt baffle ring holds
Receive the chamber and sidepiece in graphite felt baffle ring is further opened with an inert gas introduction hole communicated with graphite felt accommodating chamber；In correspondence
It is stacked in one group of graphite felt on the base, this group of center of graphite felt from bottom to top in the position of the graphite felt accommodating chamber
Preform sealing mating holes it is corresponding with the base plate through holes and communicate；One sealing gland cylinder, the sealing gland cylinder bearing
On described graphite felt baffle ring and the sealing gland cylinder chamber of the sealing gland cylinder is corresponding with the top of one group of described graphite felt,
Surrounding composition on the sealing gland cylinder and around sealing gland cylinder has a sealing gland cylinder water cooling separate space, in the sealing gland cylinder water
Cooling separate space in be provided with a water-stop sheet, the side corresponding to water-stop sheet bottom be connected to one with sealing gland cylinder water cooling every
The cooling water water inlet interface that chamber communicates, and match somebody with somebody on the top of the opposite side corresponding to water-stop sheet and be connected to together sample and sealing gland cylinder water
The cooling water backwater interface that cooling separate space is communicated；One cylinder closure, the cylinder closure corresponds to the top of the sealing gland cylinder
Portion is set, and offers a preform suspension rod resigning hole in the middle position of the cylinder closure.
In a specific embodiment of the present utility model, described base water inlet tube interface and described base are returned
Waterpipe jointing matches somebody with somebody the sidepiece that is connected on the base or with being connected on edge of the base towards upper side.
In another specific embodiment of the present utility model, on described base and around the base plate through holes
Surrounding be formed with a graphite felt baffle ring fulcrum bearing mating cavity, be formed with a graphite felt baffle ring in the bottom of the graphite felt baffle ring
Fulcrum bearing, the graphite felt baffle ring fulcrum bearing is supported on the bottom of chamber wall of the graphite felt baffle ring fulcrum bearing mating cavity, described one group
Graphite felt is equally supported on the bottom of chamber wall of graphite felt baffle ring fulcrum bearing mating cavity.
In another specific embodiment of the present utility model, the graphite felt baffle ring is towards upper side and encloses
A cylinder chassis fulcrum bearing is formed with around the circumferencial direction of graphite felt baffle ring and a cylinder chassis stack circle coordinates step, cylinder chassis
Stack circle coordinates step to be located at the outside of cylinder chassis fulcrum bearing, described sealing gland cylinder bearing in the fulcrum bearing of cylinder chassis and
Step is coordinated to be engaged with cylinder chassis stack circle simultaneously.
In another specific embodiment of the present utility model, a cylinder bottom is formed with the bottom of the sealing gland cylinder
Disk, and circumferencial direction of the edge around cylinder chassis on the cylinder chassis is formed with a cylinder chassis stack circle, cylinder
Chassis is supported in described cylinder chassis fulcrum bearing, and cylinder chassis stack circle coordinates step to match with the cylinder chassis stack circle
Close.
Also have a specific embodiment of the present utility model, on the surface of described cylinder chassis fulcrum bearing and
A cylinder chassis sealing ring caulking groove is offered around the circumferencial direction of cylinder chassis fulcrum bearing, in the cylinder chassis sealing ring caulking groove
A cylinder chassis sealing ring is inside embedded with, the cylinder chassis sealing ring is sealed with the cylinder chassis and coordinated.
Of the present utility model more and in a specific embodiment, the top of the outer wall of the sealing gland cylinder and
The position for facing each other respectively is fixed with a sealing gland cylinder handle.
In an of the present utility model and then specific embodiment, the four of side of the cylinder closure under
Circumferential edges position offers a sealing gland cylinder top surface seal groove, and a sealing gland is embedded with the sealing gland cylinder top surface seal groove
Cylinder top surface sealing ring, the sealing gland cylinder top surface sealing ring is sealed with the top surface of the sealing gland cylinder and coordinated.
It it is six pieces in one group of quantity of graphite felt of the present utility model and more and in a specific embodiment, described.
It is of the present utility model and and then a specific embodiment in, each graphite felt in one group of described graphite felt
Thickness is 4-6mm.
One of technique effect of technical scheme that the utility model is provided, as a result of base, and sets on base
Graphite felt baffle ring is put, while the one group of graphite felt that will be contained in the graphite felt accommodating chamber of graphite felt baffle ring is supported on base
On, thus by one group of graphite felt to implementing preferably sealing by way of the preform of preform sealing mating holes, it is to avoid
Outside air enters in fibre drawing furnace from furnace roof entrance, efficiently contributes to protect the graphite piece in fibre drawing furnace；Due to
Base water cooling chamber is formed with base, thus effectively to one group of graphite felt cooling one group of graphite felt can be avoided that by high temperature
Airflow scouring and reduce the sealing effectiveness and preform between, and can significantly extend one group of use longevity of graphite felt
Life, reduces attrition component cost；Because sealing gland cylinder can further function as the sealing protection to the furnace roof porch of fibre drawing furnace
Effect is played to one group of protective effect of graphite felt simultaneously, thus can further protect the graphite body and in fibre drawing furnace
Group graphite felt；Due to being formed with sealing gland cylinder water cooling separate space on sealing gland cylinder, thus can further protect one group of stone
Black felt, it is to avoid high temperature gas flow washes away and causes leakage；Due to being provided with inert gas introduction hole on graphite felt baffle ring, thus can be greatly
Ground lifting is to one group of protecting effect of graphite felt.
Brief description of the drawings
Fig. 1 is example structure figure of the present utility model.
Fig. 2 is the first state schematic diagram in the utility model application process.
Fig. 3 is the second view in the utility model application process.
Specific embodiment
In order to be more clearly understood from technical spirit of the present utility model and beneficial effect, applicant is below with reality
The mode for applying example elaborates, but is not the limitation to the utility model scheme, any foundation to the description of embodiment
The done only formal rather than substantial equivalent transformation of the utility model design is regarded as of the present utility model
Technical scheme category.
Embodiment 1：
Fig. 1 is referred to, a discoid base 1 is shown, the base 1 is formed with a base water cooling chamber 11, at the bottom
A base water cooling chamber dividing plate 111 is provided with seat water cooling chamber 11, on base 1 and positioned at base water cooling chamber dividing plate
111 side with being connected to a base water inlet tube interface 12 communicated with base water cooling chamber 11, and be located at base water cooling chamber every
The opposite side of plate 111 with being connected to the base backwater interface tube 13 that together sample is communicated with base water cooling chamber 11, and in base 1
Middle position offers a base plate through holes 14；A graphite felt baffle ring 2 is shown, the graphite felt baffle ring 2 is supported on said base 1
On, offer a graphite felt accommodating chamber 21 in the middle position of the graphite felt baffle ring 2 and sidepiece in graphite felt baffle ring 2 is also opened
It is provided with an inert gas introduction hole 22 communicated with graphite felt accommodating chamber 21；Show corresponding to foregoing graphites felt accommodating chamber 21
Position be stacked in one group of graphite felt 3 on said base 1 from bottom to top, the central preform of this group of graphite felt 3 is close
Envelope mating holes 31 is corresponding with said base through hole 14 and communicates；A sealing gland cylinder 4 is shown, the sealing gland cylinder 4 is supported on
On foregoing graphite felt baffle ring 2 and the sealing gland cylinder chamber 41 of the sealing gland cylinder 4 is relative with the top of one group of foregoing graphite felt 3
Should, the surrounding composition on the sealing gland cylinder 4 and around sealing gland cylinder 4 has a sealing gland cylinder water cooling separate space 42, in the gas
A water-stop sheet 421 is provided with sealed tube body water cooling separate space 42, the side corresponding to water-stop sheet 421 bottom be connected to one with
The cooling water water inlet interface 43 that sealing gland cylinder water cooling separate space 42 is communicated, and on the top of the opposite side corresponding to water-stop sheet 421
With being connected to the cooling water backwater interface 44 that together sample is communicated with sealing gland cylinder water cooling separate space 42；A cylinder closure 5 is shown,
The top that the cylinder closure 5 corresponds to foregoing sealing gland cylinder 4 is set, and is opened up in the middle position of the cylinder closure 5
There is a preform suspension rod resigning hole 51.
In a state of use, foregoing base water inlet tube interface 12 and base backwater interface tube 13 is followed by pipeline with water
Such as circulating pump connection of ring cooling device, foregoing cooling water water inlet interface 43 and the same example of cooling water backwater interface 44.Using
Under state, inert gas is set in the position corresponding to foregoing inert gas introduction hole 22 and introduces joint, introduced by inert gas
Joint by the road introduces inert gas such as argon gas, and the argon gas being introduced into is from each upper and lower two adjacent graphite in one group of graphite felt 3
With diffusion fashion disperse in one group of graphite felt 3 in felt gap, play to one group of good protective effect of graphite felt 3.Additionally,
Under water cooling, the temperature of base 1 and sealing gland cylinder 4 can be made to be maintained at less than 20 °, then equally played to one group of graphite felt 3
Excellent protective effect.
In the present embodiment, foregoing base water inlet tube interface 12 and foregoing base backwater interface tube 13 are with before being connected on
State the edge of the side in the direction of base 1.
Continue to see Fig. 1, the surrounding on foregoing base 1 and around said base through hole 14 is formed with graphite felt gear
Ring bearing seat mating cavity 15, a graphite felt baffle ring fulcrum bearing 23, graphite felt gear are formed with the bottom of foregoing graphites felt baffle ring 2
The supporting of ring bearing seat 23 is found a place on the bottom of chamber wall of the graphite felt baffle ring fulcrum bearing mating cavity 15 shortly, one group of foregoing graphite felt
3 same supportings are found a place on the bottom of chamber wall of graphite felt baffle ring fulcrum bearing mating cavity 15 shortly.
One is formed with circumferencial direction of the foregoing graphites felt baffle ring 2 towards upper side and around graphite felt baffle ring 2
Body chassis fulcrum bearing 24 and a cylinder chassis stack circle coordinate step 25, cylinder chassis stack circle to coordinate step 25 to be located at cylinder chassis branch
The outside of bearing 24, foregoing sealing gland cylinder 4 is supported in cylinder chassis fulcrum bearing 24 while matching somebody with somebody with cylinder chassis stack circle
Step 25 is closed to be engaged.
A cylinder chassis 45 is formed with the bottom of foregoing sealing gland cylinder 4, and in the edge on the cylinder chassis 45
Circumferencial direction around cylinder chassis 45 is formed with a cylinder chassis stack circle 451, and cylinder chassis 45 is supported on foregoing cylinder bottom
In disk fulcrum bearing 24, and cylinder chassis stack circle 451 coordinates step 25 to be engaged with foregoing cylinder chassis stack circle.By the signal of Fig. 1
Understand, cylinder chassis 451 side perpendicular to cylinder chassis 45 under of stack circle.
Preferably, on the surface of foregoing cylinder chassis fulcrum bearing 24 and around the circumference side of cylinder chassis fulcrum bearing 24
To offering a cylinder chassis sealing ring caulking groove 241, it is close in cylinder chassis sealing ring caulking groove 241 to be embedded with a cylinder chassis
Seal 2411, the cylinder chassis sealing ring 2411 is sealed with foregoing cylinder chassis 45 and coordinated.
Preferably, foregoing sealing gland cylinder 4 outer wall top and in the position for facing each other respectively be fixed with a gas
Sealed tube body handle 46.
As shown in Figure 1, the edge position of the side in foregoing cylinder closure 5 under offers a sealing gland cylinder
Top surface seal groove 52, a sealing gland cylinder top surface sealing ring 521, the gas are embedded with the sealing gland cylinder top surface seal groove 52
Sealed tube body top surface sealing ring 521 is sealed with the top surface of foregoing sealing gland cylinder 4 and coordinated.
Preferably, one group of foregoing quantity of graphite felt 3 is six pieces but is not limited in six pieces, and one group of graphite felt 3
The thickness of each graphite felt be preferably 4-6mm, be preferably 6mm, preferably 5mm, the present embodiment selection 5mm.
Embodiment 2：
Figure is omited, and is only matched somebody with somebody foregoing base water inlet tube interface 12 and base backwater interface tube 13 and is connected on said base 1
Sidepiece, remaining is with the description to embodiment 1.
Application examples：
Refer to Fig. 2 and Fig. 3 and combine Fig. 1, applicant describes application of the present utility model, shows in figs. 2 and 3
Fibre drawing furnace 6, is furnished with fiber drawing furnace bracket 61, the drawing of the fiber drawing furnace bracket 61 at the top entry of the fibre drawing furnace 6
Silk stove bracket chamber 611 communicates with the upper fire door 62 of fibre drawing furnace 6, and in the sidepiece of the fiber drawing furnace bracket 61 and in correspondence
The position for introducing joint in the inert gas of foregoing inert gas introduction hole 22 is respectively connected with a pipeline 7, and the pipeline 7 is as lazy
Property gas inlet tube road, is argon gas introduction pipeline more precisely.
When low preform 8 is guided into fibre drawing furnace 6 through the sealing gland cylinder chamber 41 of sealing gland cylinder 4, then
Cylinder closure 5 is temporarily moved away from sealing gland cylinder 4, to make the suspension rod 9 of diagram through preform suspension rod resigning hole 51,
And the fixture 91 of the lower end of suspension rod 9 clamps the bulb 81 of the afterbody of preform 8.Disclosed similar to by CN203728719U
Vertical feed drive device auxiliary under make suspension rod 9 low descending, drive preform 8 it is descending.Treat that preform 8 enters
Enter when in fibre drawing furnace 6, it is heated into wire drawing state by fibre drawing furnace 6.Now, foregoing chassis water cooling chamber 11
And sealing gland cylinder water cooling separate space 42 is in the circulating cooling state by recirculated cooling water, and pipeline 7 is simultaneously lazy in providing
Property gas is the state of argon gas.The surrounding of preform 8 is sealed by one group of foregoing graphite felt 3 simultaneously, as wire drawing works
Progress, preform 8 is gradually descending, is specifically illustrated by Fig. 2.
As shown in Figure 3, when the prefabricated rods varying diameter portion 82 of preform 8 is to descending light extraction fibre prefabricated rods sealing mating holes 31
When, the foregoing argon gas introduced by pipeline 7 enters sealing gland barrel chamber 41 through preform sealing mating holes 31, at the same time, foregoing
Cylinder closure 5 just at the sealing mated condition with the top of sealing gland cylinder 4, then outside air will not invade sealing gland
Cylinder chamber 41, the protection to one group of graphite felt 3 is highly beneficial, and same to the protection of the graphite piece in fibre drawing furnace 60
Divide favourable.
In sum, the technical scheme that the utility model is provided compensate for the shortcoming in prior art, favorably accomplish
Invention task, has faithfully cashed the technique effect referred in the superincumbent technique effect column of applicant.
Claims (10)
1. the water-cooling air-sealing device of a kind of fibre drawing furnace, it is characterised in that including a base (1), the base (1) is formed with
Base water cooling chamber (11), is provided with base water cooling chamber dividing plate (111), in base in the base water cooling chamber (11)
(1) match somebody with somebody on and positioned at the side in base water cooling chamber dividing plate (111) and be connected to a base water inlet tube interface (12), and be located at base
The opposite side in water cooling chamber dividing plate (111) is opened in the middle position of base (1) with being connected to base backwater interface tube (13)
It is provided with a base plate through holes (14)；One graphite felt baffle ring (2), the graphite felt baffle ring (2) is supported on the base (1), in the stone
The middle position of black felt baffle ring (2) offers a graphite felt accommodating chamber (21) and the sidepiece in graphite felt baffle ring (2) is also opened up
There is an inert gas introduction hole (22) communicated with graphite felt accommodating chamber (21)；Corresponding to the graphite felt accommodating chamber (21)
Position is stacked in one group of graphite felt (3) on the base (1), this group of central optical fiber prefabricating of graphite felt (3) from bottom to top
Rod sealing mating holes (31) is corresponding with the base plate through holes (14) and communicates；One sealing gland cylinder (4), the sealing gland cylinder (4)
It is supported on described graphite felt baffle ring (2) and the sealing gland cylinder chamber (41) of the sealing gland cylinder (4) and one group of described graphite
The top of felt (3) is corresponding, and the surrounding composition on the sealing gland cylinder (4) and around sealing gland cylinder (4) has a sealing gland cylinder
Water cooling separate space (42), is provided with a water-stop sheet (421), corresponding to water-stop sheet in sealing gland cylinder water cooling separate space (42)
(421) bottom of side with being connected to a cooling water water inlet interface (43) communicated with sealing gland cylinder water cooling separate space (42), and
It is cold with what sealing gland cylinder water cooling separate space (42) was communicated with together sample is connected on the top of the opposite side corresponding to water-stop sheet (421)
But water backwater interface (44)；One cylinder closure (5), the cylinder closure (5) at the top of the sealing gland cylinder (4) corresponding to setting
Put, and preform suspension rod resigning hole (51) is offered in the middle position of the cylinder closure (5).
2. the water-cooling air-sealing device of fibre drawing furnace according to claim 1, it is characterised in that described base water inlet pipe
Interface (12) and described base backwater interface tube (13) are with the sidepiece for being connected on the base (1) or with being connected on base (1)
Towards the edge of upper side.
3. the water-cooling air-sealing device of fibre drawing furnace according to claim 1, it is characterised in that on described base (1)
And graphite felt baffle ring fulcrum bearing mating cavity (15) is formed with around the surrounding of the base plate through holes (14), in the graphite felt
The bottom of baffle ring (2) is formed with graphite felt baffle ring fulcrum bearing (23), and graphite felt baffle ring fulcrum bearing (23) is supported on the graphite
On the bottom of chamber wall of felt baffle ring fulcrum bearing mating cavity (15), one group of described graphite felt (3) is equally supported on the supporting of graphite felt baffle ring
On the bottom of chamber wall of seat mating cavity (15).
4. the water-cooling air-sealing device of fibre drawing furnace according to claim 1, it is characterised in that in the graphite felt baffle ring
(2) circumferencial direction towards upper side and around graphite felt baffle ring (2) is formed with cylinder chassis fulcrum bearing (24) and one
Cylinder chassis stack circle coordinates step (25), cylinder chassis stack circle to coordinate step (25) positioned at the outer of cylinder chassis fulcrum bearing (24)
Side, described sealing gland cylinder (4) is supported on cylinder chassis fulcrum bearing (24) while coordinating step with cylinder chassis stack circle
(25) it is engaged.
5. the water-cooling air-sealing device of fibre drawing furnace according to claim 4, it is characterised in that in the sealing gland cylinder (4)
Bottom be formed with a cylinder chassis (45), and the cylinder chassis (45) edge around cylinder chassis (45) circle
Circumferential direction is formed with cylinder chassis stack circle (451), and cylinder chassis (45) are supported on described cylinder chassis fulcrum bearing (24),
And cylinder chassis stack circle (451) coordinates step (25) to be engaged with the cylinder chassis stack circle.
6. the water-cooling air-sealing device of fibre drawing furnace according to claim 5, it is characterised in that on described cylinder chassis
It is embedding that the surface of fulcrum bearing (24) and the circumferencial direction around cylinder chassis fulcrum bearing (24) offer a cylinder chassis sealing ring
Groove (241), cylinder chassis sealing ring (2411), the cylinder chassis are embedded with cylinder chassis sealing ring caulking groove (241)
Sealing ring (2411) is sealed with the cylinder chassis (45) and coordinated.
7. the water-cooling air-sealing device of fibre drawing furnace according to claim 1, it is characterised in that in the sealing gland cylinder (4)
Outer wall top and be respectively fixed with sealing gland cylinder handle (46) in the position for facing each other.
8. the water-cooling air-sealing device of fibre drawing furnace according to claim 1, it is characterised in that in the cylinder closure
(5) the edge position of the side under offers sealing gland cylinder top surface seal groove (52), on the sealing gland cylinder top
Sealing gland cylinder top surface sealing ring (521) is embedded with face seal groove (52), sealing gland cylinder top surface sealing ring (521) and institute
The top surface sealing for stating sealing gland cylinder (4) coordinates.
9. the water-cooling air-sealing device of fibre drawing furnace according to claim 1, it is characterised in that one group of described graphite felt
(3) quantity is six pieces.
10. the water-cooling air-sealing device of the fibre drawing furnace according to claim 1 or 9, it is characterised in that one group of described stone
The thickness of each graphite felt in black felt (3) is 4-6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621389131.4U CN206289171U (en) | 2016-12-16 | 2016-12-16 | The water-cooling air-sealing device of fibre drawing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621389131.4U CN206289171U (en) | 2016-12-16 | 2016-12-16 | The water-cooling air-sealing device of fibre drawing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206289171U true CN206289171U (en) | 2017-06-30 |
Family
ID=59105021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621389131.4U Active CN206289171U (en) | 2016-12-16 | 2016-12-16 | The water-cooling air-sealing device of fibre drawing furnace |
Country Status (1)
| Country | Link |
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| CN (1) | CN206289171U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106746592A (en) * | 2016-12-16 | 2017-05-31 | 青海中利光纤技术有限公司 | The water-cooling air-sealing device of fibre drawing furnace |
| CN108083656A (en) * | 2017-12-29 | 2018-05-29 | 通鼎互联信息股份有限公司 | A kind of nitrogen guiding device |
| CN109384382A (en) * | 2018-11-27 | 2019-02-26 | 通鼎互联信息股份有限公司 | A kind of sealing device of fibre drawing furnace |
| WO2020107961A1 (en) * | 2018-11-26 | 2020-06-04 | 南京华信藤仓光通信有限公司 | Sheath cover structure of optical fiber wire drawing furnace |
-
2016
- 2016-12-16 CN CN201621389131.4U patent/CN206289171U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106746592A (en) * | 2016-12-16 | 2017-05-31 | 青海中利光纤技术有限公司 | The water-cooling air-sealing device of fibre drawing furnace |
| CN108083656A (en) * | 2017-12-29 | 2018-05-29 | 通鼎互联信息股份有限公司 | A kind of nitrogen guiding device |
| CN108083656B (en) * | 2017-12-29 | 2023-08-22 | 通鼎互联信息股份有限公司 | Nitrogen gas guiding device |
| WO2020107961A1 (en) * | 2018-11-26 | 2020-06-04 | 南京华信藤仓光通信有限公司 | Sheath cover structure of optical fiber wire drawing furnace |
| CN109384382A (en) * | 2018-11-27 | 2019-02-26 | 通鼎互联信息股份有限公司 | A kind of sealing device of fibre drawing furnace |
| CN109384382B (en) * | 2018-11-27 | 2023-11-03 | 通鼎互联信息股份有限公司 | Sealing device of optical fiber drawing furnace |
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