CN205603452U - Seal heating stove is used in optical fiber perform production - Google Patents
Seal heating stove is used in optical fiber perform production Download PDFInfo
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- CN205603452U CN205603452U CN201620435024.4U CN201620435024U CN205603452U CN 205603452 U CN205603452 U CN 205603452U CN 201620435024 U CN201620435024 U CN 201620435024U CN 205603452 U CN205603452 U CN 205603452U
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Abstract
The utility model discloses a seal heating stove is used in optical fiber perform production relates to optical fiber perform manufacture equipment technical field, and this seal heating stove includes: the heating furnace is provided with upper shed, under shed and gas transmission pipeline on, be equipped with the keep warm body and heater in the heating furnace, the inside furnace body inner chamber that is used for holding the plug that is equipped with of heating furnace, two bells, two bells all are equipped with the through -hole that supplies the plug to pass on two bells on approximately fitting upper shed and under shed respectively, all are provided with the sealing gas passageway on two bells, and the end of giving vent to anger of sealing gas passageway is close to the through -hole, and giving vent to anger of sealing gas passageway is held towards the plug lateral wall, the air supply plant, the air supply plant links to each other with the sealing gas passageway. The utility model discloses a be provided with the sealing gas passageway on the bell, the end of giving vent to anger of sealing gas passageway spouts inert gas towards the plug lateral wall, and the clearance between bell through -hole and plug forms the round sealing gas body, has effectively reduced inert gas's use amount, reduces resource loss and energy consumption, practices thrift the cost.
Description
Technical field
This utility model relates to preform manufacturing technology field, is specifically related to preform
Produce and use heated sealed stove.
Background technology
When carrying out preform and producing, carbon heated type heating furnace is used to process, heating
The furnace interior of stove is continually fed into the noble gases such as argon so that furnace interior pressure is more than the external world
Atmospheric pressure, prevents the air outside body of heater from entering furnace interior.But this structure needs to use
Substantial amounts of amount of inert gas, energy consumption is relatively big, cost is higher, and sealing effectiveness is more general.
Utility model content
For defect present in prior art, the purpose of this utility model is to provide predispersed fiber
System rod produces uses heated sealed stove, the advantage with simple in construction, good sealing effect and low cost.
For reaching object above, this utility model adopts the technical scheme that:
A kind of preform produces uses heated sealed stove, including:
One heating furnace, described heating furnace is provided with upper shed, under shed and gas pipeline, institute
Being provided with thermal insulator and heater in stating heating furnace, described inside heating furnace is provided with for accommodating plug
Body of heater inner chamber；
Two bells, bell described in two is covered on described upper shed and described under shed respectively, and two
It is equipped with the through hole passed for described plug on described bell, bell described in two is provided with close
Envelope gas passage, the outlet side of described blanket gas passage is near described through hole, and described blanket gas leads to
The outlet side in road is towards described plug sidewall；
Air supply plant, described air supply plant is connected with described blanket gas passage.
On the basis of technique scheme, described blanket gas passage includes inlet channel, buffering
Passage and some outlet passageways, inlet channel described in described buffer channel UNICOM and some described in go out
Gas passage, the inlet end of described inlet channel connects described air supply plant, some described in give vent to anger logical
Interval, road is located on described bell, and the outlet side of described outlet passageway is towards described plug side
Wall.
On the basis of technique scheme, described buffer channel includes curved channel, described arc
Shape passage is located in described bell, and the side of described curved channel connects described inlet channel, institute
The opposite side stating curved channel is all connected with each described outlet passageway.
On the basis of technique scheme, described buffer channel include the first curved channel,
Two curved channels, and respectively close to described first curved channel and described second curved channel
Two end passages at two ends, the side of described first curved channel connects described inlet channel, institute
Stating end passage end and connect described first curved channel, the other end connects described second arc and leads to
Road, and described second curved channel is connected with each described outlet passageway.
On the basis of technique scheme, the internal diameter of described outlet passageway is 1～2mm, and
The spacing of adjacent described outlet passageway is 5～10mm.
On the basis of technique scheme, the charge flow rate Q of described inlet channel inlet end >=
2L/min。
On the basis of technique scheme, described blanket gas passage is positioned at the one of described outlet side
Section is ramp way, and the incline direction of described ramp way is towards outside described heating furnace.
On the basis of technique scheme, the angle of inclination of described ramp way is 30 °
～45 °.
On the basis of technique scheme, described bell is put together by two cover plates, described
Cover plate is provided with half arc port towards the side of described plug, and described in two, half arc port pieces together circle
Described through hole.
On the basis of technique scheme, this heated sealed stove also includes driving motor, tooth bar
And gear, the outfan of described driving motor connects described gear, described gear and described tooth bar
Engagement, described tooth bar connects described cover plate, and cover plate described in described rack drives moves horizontally.
Compared with prior art, the utility model has the advantage of:
1) preform production heated sealed stove of the present utility model include heating furnace body and
Bell, bell is provided with blanket gas passage, and the outlet side of blanket gas passage is towards plug sidewall
Spray noble gas, forms a circle and seals gas, stop in the gap that bell is opened between plug
Air outside heating furnace will not enter into furnace interior so that keeps pure adding in heating furnace
Thermal environment, decreases the gas flow in gas distribution channel input heating furnace simultaneously, effectively reduces
The usage amount of noble gas, reduces resource loss and energy consumption, the most cost-effective.
2) blanket gas of the bell of preform production heated sealed stove of the present utility model
Passage includes inlet channel, buffer channel and outlet passageway, from the gas warp of air supply plant output
After buffer channel buffering, spray from each outlet passageway, it is ensured that each outlet passageway ejection gas
Pressure keeps consistent with flow.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of this utility model embodiment；
Fig. 2 is the plan structure schematic diagram of this utility model embodiment；
Fig. 3 is the structural representation of the section view amplification of bell in this utility model embodiment.
In figure: 10-heating furnace, 11-upper shed, 12-under shed, 13-gas pipeline, 14-protects
Wen Ti, 15-heater, 16-body of heater inner chamber, 20-bell, 21-opening, 22-inlet channel,
23-buffer channel, 231-the first curved channel, 232-end passage, 233-the second curved channel,
24-outlet passageway, 241-ramp way, 25-cover plate, 26-drives motor, 27-tooth bar, 28-
Gear, 30-plug.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Seeing shown in Fig. 1, Fig. 2 and Fig. 3, the present embodiment provides a kind of preform to produce
Use heated sealed stove, including:
Heating furnace 10, cylindrically, the two ends up and down of heating furnace 10 set heating furnace 10 respectively
It is equipped with upper shed 11 and under shed 12, upper shed 11 and under shed 12 and is located at heating furnace 10
Axis at, and upper shed 11 and under shed 12 rounded, and on the body of heater of heating furnace 10
Be provided with some logical indifferent gas in heating furnace 10 gas pipeline 13, in heating furnace 10
Being provided with thermal insulator 14 and heater 15, heating furnace 10 is internal to be provided with for accommodating plug 30
Body of heater inner chamber 16.
Two bells 20, bell 20 is put together by two half block cover plates 25, each cover plate 25 court
Half arc notch, the conglobate through hole of two halves arc notch split it is provided with to the side of plug 30
21, the diameter of through hole 21 passes for plug 30 more than the diameter of plug 30, this through hole 21.
Each cover plate 25 connects a tooth bar 27, and tooth bar 27 engages with gear 28, and gear 28 connects
The outfan of motor, motor 26 drives gear 28 to rotate, and gear 28 band carry-over bar 27 moves,
And then tooth bar 27 drives this cover plate 25 horizontally toward or moves away from plug 30, two bells 20
It is covered on upper shed 11 and the under shed 12 of heating furnace 10 respectively.
Be provided with blanket gas passage on each cover plate 25, blanket gas passage include inlet channel 22,
Buffer channel 23 and some outlet passageways 24, wherein buffer channel 23 includes that the first arc leads to
231, two, road end passage 232 and the second curved channel 233, the first curved channel 231 with
Being located at one heart in bell 20 of second curved channel 233, and the one of the first curved channel 231
Side connects inlet channel 22, and the opposite side of the first curved channel 231 connects at two ends respectively
Connect one end of end passage 232, and end passage 232 and the first curved channel 231 connecting place are arranged
Receiving space, the other end of end passage 232 is had to connect the second curved channel 233 near the first arc
The side of shape passage 231, the second curved channel 233 near the side of through hole 21 with each go out
Gas passage 24 is connected.Some outlet passageways 24 interval is located on bell 20, outlet passageway 24
Internal diameter be 1～2mm, and the spacing of adjacent outlet passageway 24 is 5～10mm.Inlet channel
Charge flow rate Q >=the 2L/min of 22 inlet ends.Outlet passageway 24 is positioned at a section of outlet side
Ramp way 241, and the incline direction of ramp way 241 is towards outside heating furnace 10, inclines
The angle of inclination of access ramp 241 is 30 °～45 °.
This utility model is not only limited to above-mentioned preferred forms, and anyone is at this utility model
Enlightenment under all can draw other various forms of products, no matter but in its shape or structure make
Any change, every have same or like with this utility model as technical scheme, all at it
Within protection domain.
Claims (10)
1. a preform produces and uses heated sealed stove, it is characterised in that including:
One heating furnace (10), described heating furnace (10) is provided with upper shed (11), under open
Mouth (12) and gas pipeline (13), be provided with thermal insulator (14) in described heating furnace (10)
With heater (15), described heating furnace (10) is internal to be provided with for accommodating plug (30)
Body of heater inner chamber (16)；
Two bells (20), bell described in two (20) is covered on described upper shed (11) respectively
With on described under shed (12), bell described in two (20) is equipped with for described plug (30)
The through hole (21) passed, bell described in two (20) is provided with blanket gas passage, described
The outlet side of blanket gas passage is near described through hole (21), and the giving vent to anger of described blanket gas passage
End is towards described plug (30) sidewall；
Air supply plant, described air supply plant is connected with described blanket gas passage.
2. preform as claimed in claim 1 produces and uses heated sealed stove, its feature
It is: described blanket gas passage includes inlet channel (22), buffer channel (23) and some
Outlet passageway (24), inlet channel (22) described in described buffer channel (23) UNICOM and if
Do described outlet passageway (24), supply gas described in the inlet end connection of described inlet channel (22)
Device, some described outlet passageways (24) are spaced and are located on described bell (20), and described
The outlet side of outlet passageway (24) is towards described plug (30) sidewall.
3. preform as claimed in claim 2 produces and uses heated sealed stove, its feature
It is: described buffer channel (23) includes that curved channel, described curved channel are located at described stove
In lid (20), the side of described curved channel connects described inlet channel (22), described arc
The opposite side of shape passage is all connected with each described outlet passageway (24).
4. preform as claimed in claim 2 produces and uses heated sealed stove, its feature
It is: described buffer channel (23) includes the first curved channel (231), the second curved channel
(233), and respectively close to described first curved channel (231) and described second arc
Two ends passage (232) at passage (233) two ends, described first curved channel (231)
Side connects described inlet channel (22), and described end passage (232) one end connects described first
Curved channel (231), the other end connects described second curved channel (233), and described second
Curved channel (233) is connected with each described outlet passageway (24).
5. preform as claimed in claim 2 produces and uses heated sealed stove, its feature
It is: the internal diameter of described outlet passageway (24) is 1～2mm, and adjacent described outlet passageway
(24) spacing is 5～10mm.
6. preform as claimed in claim 2 produces and uses heated sealed stove, its feature
It is: the charge flow rate Q >=2L/min of described inlet channel (22) inlet end.
7. preform as claimed in claim 1 produces and uses heated sealed stove, its feature
It is: it is ramp way (241) that described blanket gas passage is positioned at a section of described outlet side, and
The incline direction of described ramp way (241) is towards described heating furnace (10) outside.
8. preform as claimed in claim 7 produces and uses heated sealed stove, its feature
It is: the angle of inclination of described ramp way (241) is 30 °～45 °.
9. preform as claimed in claim 1 produces and uses heated sealed stove, its feature
It is: described bell (20) is put together by two cover plates (25), described cover plate (25)
Being provided with half arc port towards the side of described plug (30), described in two, half arc port pieces together circle
The described through hole (21) of shape.
10. preform as claimed in claim 9 produces and uses heated sealed stove, its feature
It is: this heated sealed stove (10) also includes driving motor (26), tooth bar (27) and tooth
Wheel (28), the outfan of described driving motor (26) connects described gear (28), described tooth
Wheel (28) engages with described tooth bar (27), and described tooth bar (27) connects described cover plate (25),
Described tooth bar (27) drives described cover plate (25) to move horizontally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620435024.4U CN205603452U (en) | 2016-05-13 | 2016-05-13 | Seal heating stove is used in optical fiber perform production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620435024.4U CN205603452U (en) | 2016-05-13 | 2016-05-13 | Seal heating stove is used in optical fiber perform production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205603452U true CN205603452U (en) | 2016-09-28 |
Family
ID=56967644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620435024.4U Active CN205603452U (en) | 2016-05-13 | 2016-05-13 | Seal heating stove is used in optical fiber perform production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205603452U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941430A (en) * | 2018-07-05 | 2018-12-07 | 芜湖市泰能电热器具有限公司 | A kind of heating furnace of aluminum pipe forging |
| CN113683302A (en) * | 2021-08-31 | 2021-11-23 | 烽火通信科技股份有限公司 | Gas sealing device of optical fiber melting and shrinking resistance furnace and optical fiber melting and shrinking resistance furnace |
-
2016
- 2016-05-13 CN CN201620435024.4U patent/CN205603452U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941430A (en) * | 2018-07-05 | 2018-12-07 | 芜湖市泰能电热器具有限公司 | A kind of heating furnace of aluminum pipe forging |
| CN113683302A (en) * | 2021-08-31 | 2021-11-23 | 烽火通信科技股份有限公司 | Gas sealing device of optical fiber melting and shrinking resistance furnace and optical fiber melting and shrinking resistance furnace |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |