CN105601099A - Optical fiber drawing cooling system - Google Patents
Optical fiber drawing cooling system Download PDFInfo
- Publication number
- CN105601099A CN105601099A CN201610179521.7A CN201610179521A CN105601099A CN 105601099 A CN105601099 A CN 105601099A CN 201610179521 A CN201610179521 A CN 201610179521A CN 105601099 A CN105601099 A CN 105601099A
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- China
- Prior art keywords
- optical fiber
- cooling device
- cooling
- gas
- fiber drawing
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Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/50—Cooling the drawn fibre using liquid coolant prior to coating, e.g. indirect cooling via cooling jacket
- C03B2205/51—Cooling the drawn fibre using liquid coolant prior to coating, e.g. indirect cooling via cooling jacket using liquified or cryogenic gas
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
Abstract
The invention discloses an optical fiber drawing cooling system which is used for cooling an optical fiber (2) and is characterized by comprising at least two cooling devices (4), a first inner cavity (6), a liquid inlet (8), a liquid outlet (10), a gas inlet (12) and a gas outlet (14), wherein the cooling devices (4) are arranged along the length direction of the optical fiber (2), and a gap is reserved between the cooling devices (4); the optical fiber (2) goes through a cooling cavity of the cooling device (4); the first inner cavity (6) is positioned between the inner wall and outer wall of a shell of the cooling device (4) and is closed; the liquid inlet (8) and the liquid outlet (10) are positioned in the outer wall of the cooling device (4) and communicated with the first inner cavity; the liquid inlet (8) is communicated with liquid input equipment; the gas inlet (12) and the gas outlet (14) are positioned in the outer wall of the cooling device (4) and go through the inner wall of the cooling device (4); the gas inlet (12) is communicated with gas input equipment; and the gas input by the gas input equipment is nitrogen. In the invention, the problems of the prior art are solved, and a relatively good cooling effect can be realized while cheap nitrogen is adopted.
Description
Technical field
The present invention relates to a kind of optical fiber drawing cooling system.
Background technology
In drawing optical fibers, bare fibre in fiber drawing furnace out its surface temperature still in higher state, largeGenerally reach 1000-1500 DEG C. If so high temperature optical fiber directly enters application system, will cause coating stickyDegree reduces greatly, thereby affects adhering to of coat. Under normal circumstances, application system going out apart from fiber drawing furnaceMouth need to reserve the distance of tens meters, arranges that to utilize He gas to carry out cooling in this interval. Use He's is mainReason is, 1, molecular weight, density minimum in inert gas, without under External Force Acting, natural flow trend toUpper, 2, specific heat capacity minimum, heat exchanger effectiveness is the highest, can farthest reduce optical fiber surface temperature. SoAnd the production cost of He gas is higher, domestic use He gas mainly relies on import, and optical fiber production has been producedThe cost of great number, is unfavorable for long-term production cost control.
Chinese patent " a kind of drawing optical fibers cooling tube apparatus and method that adopt H2 " (application publication number:CN104496170A), propose to use the alternative He of H2 to carry out cooling, although can reduce production costs,But use the inflammable and explosive danger coefficient that H2 produces also greatly to promote.
In prior art, also have and adopt cheap N2 as refrigerating gas, but its cooling effect is poor.
Summary of the invention
The object of this invention is to provide a kind of good cooling results, and the cheap cooling system of cooling medium.
For addressing the above problem, the invention provides a kind of optical fiber drawing cooling system, for optical fiber is carried outCooling processing, is characterized in that, comprise at least two along the length direction setting of described optical fiber and betweenIf gapped cooling device, described cooling device is the hollow tubular structures that is provided with cooling chamber, described optical fiberThrough the cooling chamber of described cooling device, and be positioned on the axis of described cooling chamber;
-between the inner and outer wall of the housing of described cooling device and the first inner chamber of sealing, described theThe cross section of one inner chamber is annular, and along the length direction setting of described cooling device;
-be positioned on the outer wall of described cooling device, and the inlet opening and the fluid hole that are communicated with described the first inner chamber,Described inlet opening is communicated with liquid infusion apparatus;
-be positioned on the outer wall of described cooling device, and pass the air admission hole of described cooling device inwall and give vent to angerHole, described air admission hole is communicated with gas input equipment, and the gas of said gas input equipment input is nitrogen.
As a further improvement on the present invention, described cooling device is provided with three, and sets gradually from top to bottom.
As a further improvement on the present invention, described fluid hole is provided with the first hygrosensor, described liquidBetween body input equipment and described inlet opening, be provided with the fluid flowmeter that can regulate liquid input flow rate.
As a further improvement on the present invention, the inwall of described cooling device housing is also provided with the second temperature sensingDevice, between described gas input equipment and described air admission hole, be provided with can adjustments of gas input flow rate gas flowAmount meter.
As a further improvement on the present invention, described liquid infusion apparatus is to the liquid of inputting in described inlet openingFor water.
As a further improvement on the present invention, in three described cooling devices, the nitrogen of its gas flowmeter controlThroughput according to described cooling device arrange order, be followed successively by from top to bottom 5-10L/min, 10-30L/min,10-30L/min。
As a further improvement on the present invention, the normal temperature being provided with in three described the second hygrosensors,The value of this normal temperature according to described cooling device arrange order, be followed successively by from top to bottom 40-60 DEG C,25-35 DEG C, 15-20 DEG C, the temperature detecting when described the second hygrosensor is greater than above-mentioned normal temperatureTime, control described gas flowmeter and/or described fluid flowmeter and improve flow.
Beneficial effect of the present invention is, cooling device of the present invention has adopted nitrogen as refrigerating gas, andWith cooling liquid synergy, to improve cooling effect, meanwhile, the first hygrosensor and the second temperature are setDegree detector, implementing monitoring chilling temperature, and according to the flow of this temperature adjusting cooling fluid and nitrogen, enterOne step improve cooling effect, in addition, at least two these cooling devices are set, its segmentation is carried out cooling, justIn the control to cooling procedure and result.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Wherein: 2-optical fiber; 4-cooling device; 6-the first inner chamber; 8-inlet opening; 10-fluid hole; 12-air inletHole; 14-venthole.
Detailed description of the invention
Below the specific embodiment of the present invention is described in further detail.
As shown in Figure 1, the present invention includes at least two along the length direction setting of described optical fiber 2 and itBetween establish gapped cooling device 4, described cooling device 4 is for being provided with the hollow tubular structures of cooling chamber, described inOptical fiber 2 passes the cooling chamber of described cooling device 4, and is positioned on the axis of described cooling chamber;
-between the inner and outer wall of the housing of described cooling device 4 and the first inner chamber 6 of sealing, instituteThe cross section of stating the first inner chamber 6 is annular, and along the length direction setting of described cooling device 4;
-be positioned on the outer wall of described cooling device 4, and the inlet opening 8 being communicated with described the first inner chamber 6 and going outLiquid hole 10, described inlet opening 8 is communicated with liquid infusion apparatus;
-be positioned on the outer wall of described cooling device 4, and pass the air admission hole 12 of described cooling device 4 inwallsWith venthole 14, described air admission hole 12 is communicated with gas input equipment, the gas of said gas input equipment inputBody is nitrogen.
As a further improvement on the present invention, described cooling device 4 is provided with three, and establishes successively from top to bottomPut.
As a further improvement on the present invention, described fluid hole 10 is provided with the first hygrosensor, described inBetween liquid infusion apparatus and described inlet opening 8, be provided with the fluid flowmeter that can regulate liquid input flow rate.
As a further improvement on the present invention, the inwall of described cooling device 4 housings is also provided with the second temperature spySurvey device, between described gas input equipment and described air admission hole 12, be provided with can adjustments of gas input flow rate gasFlowmeter body.
As a further improvement on the present invention, described liquid infusion apparatus is to the liquid of input in described inlet opening 8Body is water.
As a further improvement on the present invention, in three described cooling devices 4, its gas flowmeter controlNitrogen flow according to described cooling device 4 arrange order, be followed successively by from top to bottom 5-10L/min,10-30L/min、10-30L/min。
As a further improvement on the present invention, the normal temperature being provided with in three described the second hygrosensors,The value of this normal temperature according to described cooling device 4 arrange order, be followed successively by from top to bottom 40-60 DEG C,25-35 DEG C, 15-20 DEG C, the temperature detecting when described the second hygrosensor is greater than above-mentioned normal temperatureTime, control described gas flowmeter and/or described fluid flowmeter and improve flow.
Concrete principle of the present invention is as follows:
(1) optical fiber 2 passes the cooling chamber of three cooling devices 4 successively;
(2) gas input equipment is inputted nitrogen by air admission hole 12 in cooling chamber, and passes through gas flowAmount meter is controlled flow, and its flow, according to the order that arranges of described cooling device 4, is followed successively by from top to bottom5-10L/min, 10-30L/min, 10-30L/min, the outer wall of cooling device 4 is provided with venthole 14, rowGo out the nitrogen after heat exchange;
(3) liquid infusion apparatus, by inlet opening 8 to infusion fluid cooling water in the first inner chamber 6, and passes throughThe delivery port arranging at the outer wall of cooling device 4, discharges the water after heat exchange;
(4) the first hygrosensor is set, when it detects the water temperature of liquid water that apopore discharges lower than establishingWhen definite value, control fluid flowmeter raising and pass through flow;
(5) the second hygrosensor is set, the temperature detecting when described the second hygrosensor is greater thanWhile stating normal temperature, control described gas flowmeter and/or described fluid flowmeter and improve flow
Above embodiment is only the present invention's a kind of embodiment wherein, and it describes comparatively concrete and detailed, butCan not therefore be interpreted as the restriction to the scope of the claims of the present invention. It should be pointed out that for this areaThose of ordinary skill, without departing from the inventive concept of the premise, can also make some distortion and changeEnter, these all belong to protection scope of the present invention. Therefore, the protection domain of patent of the present invention should be with appended powerProfit requires to be as the criterion.
Claims (7)
1. an optical fiber drawing cooling system, for optical fiber (2) is carried out to cooling processing, is characterized in that,Comprise at least two along the length direction setting of described optical fiber (2) and between establish gapped cooling device(4), described cooling device (4) is for being provided with the hollow tubular structures of cooling chamber, and described optical fiber (2) passesThe cooling chamber of described cooling device (4), and be positioned on the axis of described cooling chamber;
-be positioned between the inner and outer wall of housing of described cooling device (4) and first inner chamber (6) of sealing,The cross section of described the first inner chamber (6) is annular, and along the length direction setting of described cooling device (4);
-be positioned on the outer wall of described cooling device (4), and the inlet opening (8) being communicated with described the first inner chamberAnd fluid hole (10), described inlet opening (8) is communicated with liquid infusion apparatus;
-be positioned on the outer wall of described cooling device (4), and pass the air inlet of described cooling device (4) inwallHole (12) and venthole (14), described air admission hole (12) is communicated with gas input equipment, said gasThe gas of input equipment input is nitrogen.
2. a kind of optical fiber drawing cooling system according to claim 1, is characterized in that, described coolingDevice (4) is provided with three, and sets gradually from top to bottom.
3. a kind of optical fiber drawing cooling system according to claim 2, is characterized in that, described fluidHole (10) is provided with the first hygrosensor, between described liquid infusion apparatus and described inlet opening (8)Be provided with the fluid flowmeter that can regulate liquid input flow rate.
4. a kind of optical fiber drawing cooling system according to claim 3, is characterized in that, described coolingThe inwall of device (4) housing is also provided with the second hygrosensor, described gas input equipment and described air admission hole(12) between, be provided with can adjustments of gas input flow rate gas flowmeter.
5. a kind of optical fiber drawing cooling system according to claim 4, is characterized in that, described liquidInput equipment is water to the liquid of the middle input of described inlet opening (8).
6. a kind of optical fiber drawing cooling system according to claim 5, is characterized in that, described in threeIn cooling device (4), the nitrogen flow of its gas flowmeter control is established according to described cooling device (4)Put order, be followed successively by 5-10L/min, 10-30L/min, 10-30L/min from top to bottom.
7. a kind of optical fiber drawing cooling system according to claim 6, is characterized in that, described in threeThe normal temperature being provided with in the second hygrosensor, the value of this normal temperature is according to described cooling device (4)Order is set, is followed successively by 40-60 DEG C, 25-35 DEG C, 15-20 DEG C from top to bottom, when described the second temperature is visitedWhen the temperature that survey device detects is greater than above-mentioned normal temperature, control described gas flowmeter and/or described liquidFlowmeter improves flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610179521.7A CN105601099A (en) | 2016-03-25 | 2016-03-25 | Optical fiber drawing cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610179521.7A CN105601099A (en) | 2016-03-25 | 2016-03-25 | Optical fiber drawing cooling system |
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| Publication Number | Publication Date |
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| CN105601099A true CN105601099A (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610179521.7A Pending CN105601099A (en) | 2016-03-25 | 2016-03-25 | Optical fiber drawing cooling system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107337338A (en) * | 2017-08-30 | 2017-11-10 | 东莞恩特贝斯智能技术有限公司 | A kind of selection forming method of 3D bend glasses hot-press equipment |
| CN107365060A (en) * | 2017-08-30 | 2017-11-21 | 东莞恩特贝斯智能技术有限公司 | The cooling device and method that a kind of bend glass for mobile terminal is molded |
| CN107473572A (en) * | 2017-08-30 | 2017-12-15 | 东莞恩特贝斯智能技术有限公司 | A kind of forming method of Curred glass forming machine structure for mobile terminal |
| CN108101356A (en) * | 2017-11-22 | 2018-06-01 | 长飞光纤光缆股份有限公司 | A kind of method and system of drawing optical fibers on-line cooling |
| CN108395093A (en) * | 2018-04-03 | 2018-08-14 | 中材科技股份有限公司 | A kind of cooling device, the building mortion of glass fibre, cooling and manufacturing process |
| CN111908785A (en) * | 2020-07-14 | 2020-11-10 | 湖北凯乐量子通信光电科技有限公司 | Ultralow-temperature helium-free cooling system for high-speed fiber drawing production |
| CN113031732A (en) * | 2021-03-19 | 2021-06-25 | 山东英信计算机技术有限公司 | Temperature control system |
| CN113651528A (en) * | 2021-08-18 | 2021-11-16 | 郭俊滔 | Cooling device for optical fiber drawing |
| CN115745394A (en) * | 2022-10-18 | 2023-03-07 | 江苏法尔胜光子有限公司 | Low-cost optical fiber cooling device and cooling method |
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| CN1437035A (en) * | 2002-02-06 | 2003-08-20 | 株式会社藤仓 | Method for producing optical fibre |
| US20040194513A1 (en) * | 2003-04-04 | 2004-10-07 | Giacobbe Frederick W | Fiber coolant system including improved gas seals |
| CN102976609A (en) * | 2012-11-19 | 2013-03-20 | 中天科技光纤有限公司 | Flow automatic control device of cooling helium for wire-drawing cooling pipe |
| CN103739195A (en) * | 2013-12-25 | 2014-04-23 | 中天科技精密材料有限公司 | Water cooling system for large-size optical fiber preformed rod and water cooling method thereof |
| CN205443057U (en) * | 2016-03-25 | 2016-08-10 | 威海威信光纤科技有限公司 | Optical fiber wire drawing cooling system |
-
2016
- 2016-03-25 CN CN201610179521.7A patent/CN105601099A/en active Pending
Patent Citations (5)
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| CN1437035A (en) * | 2002-02-06 | 2003-08-20 | 株式会社藤仓 | Method for producing optical fibre |
| US20040194513A1 (en) * | 2003-04-04 | 2004-10-07 | Giacobbe Frederick W | Fiber coolant system including improved gas seals |
| CN102976609A (en) * | 2012-11-19 | 2013-03-20 | 中天科技光纤有限公司 | Flow automatic control device of cooling helium for wire-drawing cooling pipe |
| CN103739195A (en) * | 2013-12-25 | 2014-04-23 | 中天科技精密材料有限公司 | Water cooling system for large-size optical fiber preformed rod and water cooling method thereof |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107337338B (en) * | 2017-08-30 | 2019-10-18 | 东莞恩特贝斯智能技术有限公司 | A kind of selection forming method of 3D bend glass hot-press equipment |
| CN107365060A (en) * | 2017-08-30 | 2017-11-21 | 东莞恩特贝斯智能技术有限公司 | The cooling device and method that a kind of bend glass for mobile terminal is molded |
| CN107473572A (en) * | 2017-08-30 | 2017-12-15 | 东莞恩特贝斯智能技术有限公司 | A kind of forming method of Curred glass forming machine structure for mobile terminal |
| CN107337338A (en) * | 2017-08-30 | 2017-11-10 | 东莞恩特贝斯智能技术有限公司 | A kind of selection forming method of 3D bend glasses hot-press equipment |
| CN107365060B (en) * | 2017-08-30 | 2023-08-04 | 东莞恩特贝斯智能技术有限公司 | Cooling device and method for curved glass forming of mobile terminal |
| CN108101356A (en) * | 2017-11-22 | 2018-06-01 | 长飞光纤光缆股份有限公司 | A kind of method and system of drawing optical fibers on-line cooling |
| WO2019192206A1 (en) * | 2018-04-03 | 2019-10-10 | 中材科技股份有限公司 | Cooling device, glass fiber forming device, and glass fiber cooling and forming methods |
| CN108395093A (en) * | 2018-04-03 | 2018-08-14 | 中材科技股份有限公司 | A kind of cooling device, the building mortion of glass fibre, cooling and manufacturing process |
| CN111908785A (en) * | 2020-07-14 | 2020-11-10 | 湖北凯乐量子通信光电科技有限公司 | Ultralow-temperature helium-free cooling system for high-speed fiber drawing production |
| CN111908785B (en) * | 2020-07-14 | 2022-07-05 | 湖北凯乐量子通信光电科技有限公司 | Ultralow-temperature helium-free cooling system for high-speed fiber drawing production |
| CN113031732A (en) * | 2021-03-19 | 2021-06-25 | 山东英信计算机技术有限公司 | Temperature control system |
| CN113031732B (en) * | 2021-03-19 | 2022-06-07 | 山东英信计算机技术有限公司 | Temperature control system |
| CN113651528A (en) * | 2021-08-18 | 2021-11-16 | 郭俊滔 | Cooling device for optical fiber drawing |
| CN115745394A (en) * | 2022-10-18 | 2023-03-07 | 江苏法尔胜光子有限公司 | Low-cost optical fiber cooling device and cooling method |
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Application publication date: 20160525 |