CN201003032Y - Integral insulating layer of optical fibre drawing furnace central tube - Google Patents
Integral insulating layer of optical fibre drawing furnace central tube Download PDFInfo
- Publication number
- CN201003032Y CN201003032Y CNU2006200475393U CN200620047539U CN201003032Y CN 201003032 Y CN201003032 Y CN 201003032Y CN U2006200475393 U CNU2006200475393 U CN U2006200475393U CN 200620047539 U CN200620047539 U CN 200620047539U CN 201003032 Y CN201003032 Y CN 201003032Y
- Authority
- CN
- China
- Prior art keywords
- drawing furnace
- insulation layer
- thermal insulation
- central tube
- fibre drawing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Thermal Insulation (AREA)
Abstract
The utility model relates to an integrated thermal insulation layer used in fiber drawing furnace central tube. A round tube sleeve integrally made from graphite material is sleeved on the drawing furnace central tube. The integrated insulation layer has the advantages of good thermal insulation efficiency, making the drawing furnace with even temperature, being beneficial for improving the concentricity of the fiber, increasing the quality of the fiber and prolonging the service life of the thermal insulation layer.
Description
Technical field
The utility model relates to a kind of parts of fibre drawing furnace, especially the integrated thermal insulation layer of fibre drawing furnace pipe core.
Background technology
The thermal insulation layer of existing fiber fiber drawing furnace pipe core adopts two semicircle tubular constructions to close to wrap in pipe core outer and constitute, two semicircle pipe junctions separate with vanadium silk rod, this semi-circular structure thermal insulation layer can cause in the fiber drawing furnace temperature inhomogeneous, influence the concentricity of optical fiber, and thermal insulation layer is lacked work-ing life.
Summary of the invention
Deficiency for the thermal insulation layer that overcomes existing fiber fiber drawing furnace pipe core, true provide a kind of integrated thermal insulation layer with novel, this integrated thermal insulation layer cover wraps in outside the fiber drawing furnace pipe core, can make in the fibre drawing furnace temperature evenly, reduce influence to optical fiber concentricity, improve optical fiber quality, and prolong the work-ing life of thermal insulation layer.
The as a whole pipe cover of the integrated thermal insulation layer of the fibre drawing furnace pipe core that the utility model provides wraps in outside the pipe core.
The beneficial effects of the utility model are: high insulating effect, and make in the fibre drawing furnace temperature evenly, help improving the concentricity of optical fiber, improve optical fiber quality, prolong the work-ing life of thermal insulation layer.
Description of drawings
Fig. 1 is vertical cross-sectional schematic of the present utility model.
In Fig. 1,1,2, the 3. loam cake of fibre drawing furnace, 4. fibre drawing furnace, 5. integrated thermal insulation layer, 6. pipe core, 7. heating resistor coil, 8. muffle tube, the lower cover of 9,10,11. fibre drawing furnaces.
Embodiment
In Fig. 1, integrated thermal insulation layer of the present utility model (5) adopts graphite material to make whole pipe, in use produces voloxidation for reducing it, can apply the protection against oxidation material in insulation layer surface.During installation integrated thermal insulation layer (5) cover is wrapped in outside the pipe core (6).
Claims (1)
- The integrated thermal insulation layer of 1 one kinds of fibre drawing furnace pipe cores is characterized in that the as a whole pipe cover of this thermal insulation layer wraps in outside the pipe core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200475393U CN201003032Y (en) | 2006-11-04 | 2006-11-04 | Integral insulating layer of optical fibre drawing furnace central tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200475393U CN201003032Y (en) | 2006-11-04 | 2006-11-04 | Integral insulating layer of optical fibre drawing furnace central tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201003032Y true CN201003032Y (en) | 2008-01-09 |
Family
ID=39038570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200475393U Expired - Fee Related CN201003032Y (en) | 2006-11-04 | 2006-11-04 | Integral insulating layer of optical fibre drawing furnace central tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201003032Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102249534A (en) * | 2011-05-31 | 2011-11-23 | 长飞光纤光缆有限公司 | Full diameter optical fiber preform rod induction fiber drawing furnace heating apparatus |
-
2006
- 2006-11-04 CN CNU2006200475393U patent/CN201003032Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102249534A (en) * | 2011-05-31 | 2011-11-23 | 长飞光纤光缆有限公司 | Full diameter optical fiber preform rod induction fiber drawing furnace heating apparatus |
| US8950218B2 (en) | 2011-05-31 | 2015-02-10 | Yangze Optical Fibre And Cable Company Ltd. | Heating apparatus of induction furnace used for stretching large-diameter preformed rods of optical fibers |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102079623B (en) | Optical fiber annealing extension tube used for high-speed drawing | |
| CN203541492U (en) | Compound type liquid lifting tube for low pressure casting | |
| CN201003032Y (en) | Integral insulating layer of optical fibre drawing furnace central tube | |
| CN102249534B (en) | Full diameter optical fiber preform rod induction fiber drawing furnace heating apparatus | |
| CN201890848U (en) | Optical fiber annealing extension tube for high-speed fiber drawing | |
| CN202206576U (en) | Electric heating body | |
| CN202361645U (en) | Electromagnetic induction heating device for liquid pipeline | |
| CN108165909B (en) | Copper rod coating device and copper rod coating method using same | |
| CN202201823U (en) | Graphite heating element for optical fiber wire drawing furnace | |
| CN102745883B (en) | The intermediate frequency furnace that initiatively pressurizes melts the device and method drawing silica glass bar | |
| CN202241700U (en) | Hot nozzle of hot runner mould | |
| CN212247122U (en) | Electric heating system of box type multipurpose furnace | |
| CN205245785U (en) | Integral type graphite crucible | |
| CN202261873U (en) | Novel electric heating device | |
| CN204007117U (en) | High-frequency induction formula holding furnace | |
| CN202694846U (en) | High-fire-resistance power cable with low-voltage special-shape conductor structure | |
| CN201779979U (en) | Directly heated zinc alloy smelting furnace | |
| CN200956669Y (en) | Heating tube | |
| CN201184826Y (en) | Integral-sintered inner winding spring type platinum thermal resistance | |
| CN201740688U (en) | Special cracking electric furnace for ultraciolet fluorescence sulfur detector | |
| CN202217642U (en) | Novel low-frequency electrodeless lamp with long service life | |
| CN103292598A (en) | Heat insulation and heat radiation increasing structure for high-temperature heating furnace | |
| CN204478811U (en) | A kind of electromagnetic induction smelting furnace | |
| CN102641760B (en) | Ultrahigh-temperature pyrolysis device | |
| CN206164891U (en) | Novel heating element and use this heating element's electromagnetism to melt guarantor's stove |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |