CN204342648U - A kind of employing H 2drawing optical fibers cooling tube device - Google Patents
A kind of employing H 2drawing optical fibers cooling tube device Download PDFInfo
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- CN204342648U CN204342648U CN201420865299.2U CN201420865299U CN204342648U CN 204342648 U CN204342648 U CN 204342648U CN 201420865299 U CN201420865299 U CN 201420865299U CN 204342648 U CN204342648 U CN 204342648U
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- enclosed housing
- cooling tube
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Abstract
The utility model discloses a kind of employing H
2drawing optical fibers cooling tube device, it comprises: be arranged on the first layer enclosed housing outside cooling tube and the second layer enclosed housing being arranged on described the first layer enclosed housing outside, described the first layer enclosed housing is fixed on cooling tube support, and the described upper and lower two ends of the first layer sealed gas are equipped with air seal set; Described second layer enclosed housing extends to the lower end of described the first layer enclosed housing from fiber drawing furnace extension tube, part fiber drawing furnace extension tube and described the first layer enclosed housing are wrapped in the inside by described second layer enclosed housing, and described second layer enclosed housing is fixed on wire-drawer-tower.Device in the utility model can use hydrogen safely as optical fiber cooling gas, and the cost ratio helium of hydrogen is low, decreases the production cost of optical fiber.
Description
Technical field
The utility model belongs to optical fiber fabrication arts, relates to a kind of employing H more specifically
2drawing optical fibers cooling tube device.
Background technology
Because drawing speed constantly promotes, optical fiber must use cooling tube to carry out forcing cooling with the temperature reducing its bare fibre before entering coating cup, He, because of its high thermal conductivity coefficient, is used as the medium-gas of cooling tube always.But because He gas price lattice already very high are in recent years also constantly high, its proportion in optical fiber production cost is constantly increased.Meanwhile, because He is global strategy resource, the control of export of the U.S. to other countries as main product ground is tightened up increasingly.Based on above 2 points, the use of the cooling tube medium-gas of alternative He becomes particularly important.
H
2thermal conductivity and He it is suitable, and low price, gas source is abundant, is the optimal alternative gas of He, but needs to carry out strict control to the danger of blast and burning in use procedure.
Table 1 lists the thermal conductivity of several gas, draws H by contrast
2thermal conductivity be very high, even also high than the thermal conductivity of He, thus in heat conduction H
2he is replaced to be feasible as the medium of optical fibre cooling tube.
The thermal conductivity of several gas of table 1
| Gas | Thermal conductivity [W/ (mK)] |
| H 2 | 0.1805 |
| He | 0.1513 |
| N 2 | 0.02583 |
| O 2 | 0.02658 |
| Ar | 0.01772 |
[0007]
| Air | 0.023 |
Although, H
2thermal conductivity very high, as optical fibre cooling tube with being desirable medium-gas, but use time there is very high danger, to design the cooling tube of routine and mill construction.H
2medium-gas as cooling tube easily leaks in factory building in use procedure, very easily blasts when its volume reaches 4% ~ 74.2% of cumulative volume.
Therefore, a kind of employing H is needed now
2drawing optical fibers cooling tube apparatus and method, adopt this device can by H
2discharge timely, effectively avoid H
2accumulating in factory building, thus avoid H
2combustion explosion.
Utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to provide one to adopt H
2drawing optical fibers cooling tube device, this device can use H safely
2as cooling gas, relatively reduce optical fiber production cost.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of employing H
2drawing optical fibers cooling tube device, it comprises: be arranged on the first layer enclosed housing outside cooling tube and the second layer enclosed housing being arranged on described the first layer enclosed housing outside, described the first layer enclosed housing is fixed on cooling tube support, and the described upper and lower two ends of the first layer sealed gas are equipped with air seal set; Described second layer enclosed housing extends to the lower end of described the first layer enclosed housing from fiber drawing furnace extension tube, part fiber drawing furnace extension tube and described the first layer enclosed housing are wrapped in the inside by described second layer enclosed housing, and described second layer enclosed housing is fixed on wire-drawer-tower.
Preferably, described the first layer enclosed housing comprises: the sealed shell being set in described cooling tube outside, the upper and lower two ends of described sealed shell are equipped with described air seal set, and be provided with the optical-fibre channel of ganging up with described cooling tube in the middle of described air seal set, the both sides of described air seal set are provided with N
2pipeline; The upper end of described sealed shell is provided with air draft pipe one.
Preferably, described second layer enclosed housing comprises: the enclosed housing being set in described sealed shell outside, described enclosed housing upper end is set in a tail end part for fiber drawing furnace extension tube, the lower end of described enclosed housing is provided with optical-fibre channel, and the side of described enclosed housing upper end is communicated with air draft pipe two.
Preferably, the inside of described enclosed housing is provided with H
2concentration measuring apparatus, the outside of described enclosed housing is also inlayed and is provided with clean bellows.
Preferably, the outside of described sealed shell and enclosed housing is equipped with door, and door is provided with alarm lock.
The beneficial effects of the utility model are:
Device in one, the utility model can use hydrogen safely as optical fiber cooling gas, and the cost ratio helium of hydrogen is low, decreases the production cost of optical fiber.
Two, the utility model adopts hydrogen as optical fiber cooling gas, and the thermal conductivity ratio helium of hydrogen is high, adds optical fiber cooling performance, accelerates optical fiber cooling, improves optical fiber coating efficiency, improve fiber production rate, add optical fiber output.
Three, the good sealing effect of device of the present utility model, it is all inner at enclosed housing that optical fiber comes out to cooling from fiber drawing furnace, high at the cleanliness factor of enclosed housing inside, decreases bare fibre and pollute, improve the quality of optical fiber.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment technology, be briefly described to the accompanying drawing used required in the description of embodiment technology below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the first layer enclosed housing of the utility model device.
Fig. 2 is the structural representation of the second layer enclosed housing of the utility model device.
Fig. 3 is the structural representation at each floor (except top layer) top in the utility model method.
Fig. 4 is the structural representation at loft top in the utility model method.
Wherein, 1-optical-fibre channel, 2-air seal set, 3-N
2pipeline, 4-sealed shell, 5-induced exhaust one, 6-cooling tube, 7-induced exhaust two, 8-fiber drawing furnace extension tube, 9-door, the clean bellows of 10-, 13-enclosed housing, 14,17,19,20-H
2concentration measuring apparatus, 15, the common vacuum fan of 22-, 16,21-strong drawing machine, 18,23-wire-drawer-tower.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment
A kind of employing H is disclosed in the present embodiment
2drawing optical fibers cooling tube device, it comprises: be arranged on the first layer enclosed housing outside cooling tube and the second layer enclosed housing being arranged on above-mentioned the first layer enclosed housing outside, above-mentioned the first layer enclosed housing is fixed on cooling tube support, and the above-mentioned upper and lower two ends of the first layer sealed gas are equipped with air seal set; Above-mentioned second layer enclosed housing extends to the lower end of above-mentioned the first layer enclosed housing from fiber drawing furnace extension tube, part fiber drawing furnace extension tube and above-mentioned the first layer enclosed housing are wrapped in the inside by above-mentioned second layer enclosed housing, and above-mentioned second layer enclosed housing is fixed on wire-drawer-tower.
Concrete, as shown in fig. 1, above-mentioned the first layer enclosed housing comprises: the sealed shell 4 being set in above-mentioned cooling tube 6 outside, above-mentioned sealed shell about 4 two ends are equipped with above-mentioned air seal set 2, be provided with the optical-fibre channel 1 of ganging up with above-mentioned cooling tube in the middle of above-mentioned air seal set 2, the both sides of above-mentioned air seal set 2 are provided with N
2pipeline 3; The upper end of above-mentioned sealed shell 4 is provided with air draft pipe 1.
By above-mentioned N
2pipeline 3 passes into N
2carry out sealing gland, prevent hydrogen leak; Then vacuum fan is coordinated to be released by hydrogen and to discharge or collect by air draft pipe 1.
As shown in Figure 2, above-mentioned second layer enclosed housing comprises: the enclosed housing 13 being set in above-mentioned sealed shell 4 outside, above-mentioned enclosed housing 13 upper end is set in a tail end part for fiber drawing furnace extension tube 8, the lower end of above-mentioned enclosed housing 13 is provided with optical-fibre channel 1, and the side of above-mentioned enclosed housing upper end is communicated with air draft pipe 27.
In order to the H of the above-mentioned enclosed housing inside of Real-Time Monitoring
2concentration, in order to avoid H
2excessive concentration is blasted, and is provided with H in the inside of above-mentioned enclosed housing 13
2concentration measuring apparatus 14, above-mentioned H
2concentration measuring apparatus 14 is arranged on above-mentioned enclosed housing 13 inner air draft pipe 27 side, H
2concentration measuring apparatus 14 sets two values, and one is automatic alarm value, and another automatically closes hydrogen value.
The outside of above-mentioned enclosed housing 13 is also inlayed and is provided with clean bellows 10, because second layer enclosed housing crosses over multiple floor, therefore on second layer enclosed housing, door 9 is installed, in the present embodiment, the first layer enclosed housing is also provided with door 9, and door 9 is provided with alarm lock, the effect of alarm lock does not close alarm at door, and the hydrogen of cooling tube can not be opened.
Although adopt above-mentioned device to prevent hydrogen leak, in actual production, can not ensure that hydrogen can not be revealed completely, assemble blast to prevent hydrogen, therefore, the hydrogen will revealed for removing carries out the plant designing matched with said apparatus.
Concrete grammar is: as shown in Figure 3, is oblique top by the top design of every first floor layer in drawing optical fibers workshop, and oblique top, from middle upward toward both sides, makes H
2roof along oblique top rises in corner, both sides to be assembled, and installs common vacuum fan and strong drawing machine in corner, both sides respectively.
And in the oblique top at the top of every first floor layer, be also provided with above-mentioned H
2concentration measuring apparatus, works as H
2the concentration that concentration measuring apparatus monitors, within values, opens common vacuum fan; Work as H
2the concentration that concentration measuring apparatus monitors exceeds values, opens strong drawing machine; Work as H
2the concentration that concentration measuring apparatus monitors reaches dangerous values, then close H
2input.
As shown in Figure 4, be oblique top by the top design of the most topmost floor in drawing optical fibers workshop, oblique top both sides toward middle upward, H
2be gathered in the middle of top layer; The roof of above-mentioned oblique top is respectively equipped with above-mentioned common vacuum fan, strong drawing machine and H
2concentration measuring apparatus; Work as H
2the concentration that concentration measuring apparatus monitors, within values, opens common vacuum fan; Work as H
2the concentration that concentration measuring apparatus monitors exceeds values, opens strong drawing machine; Work as H
2the concentration that concentration measuring apparatus monitors reaches dangerous values, then close H
2input.
Above-mentioned sealed shell and enclosed housing are equipped with the door with alarm lock, when above-mentioned door is not closed or do not closed tight, above-mentioned alarm lock sends warning, now passes into the H in cooling tube
2can not open; When exhausting in above-mentioned air draft pipe one and air draft pipe two is not opened, pass into the H in cooling tube
2can not open; Above-mentioned air seal set N
2when not opening, pass into the H in cooling tube
2can not open; H in above-mentioned second layer enclosed housing
2concentration measuring apparatus and the interior H installed of each floor
2the concentration value that concentration measuring apparatus real-time monitors, any one exceedes set(ting)value and all will report to the police, and can not open cooling tube H
2; Further, if at cooling tube H
2exceed set(ting)value when opening, that will directly be closed cooling tube H2 and report to the police.
In the present embodiment, only have and meet that alarm lock is not reported to the police, all H simultaneously
2concentration measuring apparatus measured value does not reach set(ting)value, the first layer enclosed housing and second layer enclosed housing exhausting and opens and air seal set N on the first layer enclosed housing
2when opening four conditions, cooling tube H
2just can open.
Device in the utility model can use hydrogen safely as optical fiber cooling gas, and the cost ratio helium of hydrogen is low, decreases the production cost of optical fiber.
Apparatus and method of the present utility model adopt hydrogen as optical fiber cooling gas, and the thermal conductivity ratio helium of hydrogen is high, adds optical fiber cooling performance, accelerate optical fiber cooling, improve optical fiber coating efficiency, improve fiber production rate, add optical fiber output.
The good sealing effect of device of the present utility model, it is all inner at enclosed housing that optical fiber comes out to cooling from fiber drawing furnace, high at the cleanliness factor of enclosed housing inside, decreases bare fibre and pollute, improve the quality of optical fiber.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. one kind adopts H
2drawing optical fibers cooling tube device, it comprises: be arranged on the first layer enclosed housing outside cooling tube and the second layer enclosed housing being arranged on described the first layer enclosed housing outside, it is characterized in that, described the first layer enclosed housing is fixed on cooling tube support, and the described upper and lower two ends of the first layer sealed gas are equipped with air seal set; Described second layer enclosed housing extends to the lower end of described the first layer enclosed housing from fiber drawing furnace extension tube, part fiber drawing furnace extension tube and described the first layer enclosed housing are wrapped in the inside by described second layer enclosed housing, and described second layer enclosed housing is fixed on wire-drawer-tower.
2. one according to claim 1 adopts H
2drawing optical fibers cooling tube device, it is characterized in that, described the first layer enclosed housing comprises: the sealed shell being set in described cooling tube outside, the upper and lower two ends of described sealed shell are equipped with described air seal set, be provided with the optical-fibre channel of ganging up with described cooling tube in the middle of described air seal set, the both sides of described air seal set are provided with N
2pipeline; The upper end of described sealed shell is provided with air draft pipe one.
3. one according to claim 2 adopts H
2drawing optical fibers cooling tube device, it is characterized in that, described second layer enclosed housing comprises: the enclosed housing being set in described sealed shell outside, described enclosed housing upper end is set in a tail end part for fiber drawing furnace extension tube, the lower end of described enclosed housing is provided with optical-fibre channel, and the side of described enclosed housing upper end is communicated with air draft pipe two.
4. one according to claim 3 adopts H
2drawing optical fibers cooling tube device, it is characterized in that, the inside of described enclosed housing is provided with H
2concentration measuring apparatus, the outside of described enclosed housing is also inlayed and is provided with clean bellows.
5. one according to claim 4 adopts H
2drawing optical fibers cooling tube device, it is characterized in that, the outside of described sealed shell and enclosed housing is equipped with door, and door is provided with alarm lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865299.2U CN204342648U (en) | 2014-12-31 | 2014-12-31 | A kind of employing H 2drawing optical fibers cooling tube device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865299.2U CN204342648U (en) | 2014-12-31 | 2014-12-31 | A kind of employing H 2drawing optical fibers cooling tube device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204342648U true CN204342648U (en) | 2015-05-20 |
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ID=53225933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420865299.2U Active CN204342648U (en) | 2014-12-31 | 2014-12-31 | A kind of employing H 2drawing optical fibers cooling tube device |
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| Country | Link |
|---|---|
| CN (1) | CN204342648U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104496170A (en) * | 2014-12-31 | 2015-04-08 | 江苏通鼎光棒有限公司 | Optical fiber drawing cooling pipe employing H2 and method |
| CN108002697A (en) * | 2017-11-30 | 2018-05-08 | 长飞光纤光缆股份有限公司 | A kind of spray type cooling device and method of optical fiber on-line cooling |
-
2014
- 2014-12-31 CN CN201420865299.2U patent/CN204342648U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104496170A (en) * | 2014-12-31 | 2015-04-08 | 江苏通鼎光棒有限公司 | Optical fiber drawing cooling pipe employing H2 and method |
| CN108002697A (en) * | 2017-11-30 | 2018-05-08 | 长飞光纤光缆股份有限公司 | A kind of spray type cooling device and method of optical fiber on-line cooling |
| CN108002697B (en) * | 2017-11-30 | 2020-04-14 | 长飞光纤光缆股份有限公司 | Spray type cooling device and method for online cooling of optical fiber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220822 Address after: 215233 Xiaoping Avenue, eight Town, Zhen Ze town, Wujiang District, Suzhou, Jiangsu 8 Patentee after: TONGDING INTERCONNECTION INFORMATION Co.,Ltd. Patentee after: JIANGSU TONGDING OPTICAL WAND Co.,Ltd. Address before: Tongjin Avenue, Wujiang Economic and Technological Development Zone, Suzhou City, Jiangsu Province Patentee before: JIANGSU TONGDING OPTICAL WAND Co.,Ltd. |
|
| TR01 | Transfer of patent right |