CN108689594A - Drawing optical fibers technique - Google Patents
Drawing optical fibers technique Download PDFInfo
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- CN108689594A CN108689594A CN201810589543.XA CN201810589543A CN108689594A CN 108689594 A CN108689594 A CN 108689594A CN 201810589543 A CN201810589543 A CN 201810589543A CN 108689594 A CN108689594 A CN 108689594A
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- coating
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- feeding system
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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
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/104—Coating to obtain optical fibres
- C03C25/1065—Multiple coatings
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/12—General methods of coating; Devices therefor
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/48—Coating with two or more coatings having different compositions
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/62—Surface treatment of fibres or filaments made from glass, minerals or slags by application of electric or wave energy; by particle radiation or ion implantation
- C03C25/6206—Electromagnetic waves
- C03C25/6226—Ultraviolet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Coating Apparatus (AREA)
Abstract
The invention discloses a kind of drawing optical fibers techniques, including:1) melt drawing process;2) sizing cooling process;3) primary coating process;4) one-step solidification process;5) secondary coating process;6) secondary curing process;Concentration feeding system having the same in the step 3) and step 5), the concentration feeding system includes feeding system and head tank, coating is passed through Pipeline transport to head tank by the feeding system, the head tank includes temperature control system, the temperature control system control head tank inside courtyard temperature is constant, and coating is delivered in coating unit by the head tank.The present invention is by using the supply and conveying for concentrating feeding system uniformly to carry out coating, the labor intensity of reduction personnel, it ensure that the duration of production, while ensureing that head tank inside courtyard temperature is constant using temperature control system, it is suitable into the dope viscosity of coating unit to ensure.
Description
It is on 03 31st, 2016 that the application, which is the applying date, application No. is 201610195952.2, entitled " optical fiber
The divisional application of drawing process ".
Technical field
The present invention relates to optical fiber production field, more particularly to a kind of drawing optical fibers technique.
Background technology
Optical fiber is writing a Chinese character in simplified form for optical fiber, is a kind of fiber made of glass or plastics, can be used as light conduction tool.Light
Fiber is led to be made of the different glass of two layers of refractive index, internal layer be light inner core, diameter at several microns to tens microns, outer layer
0.1~0.2mm of diameter.The refractive index of general core glass is bigger than glass outer by 1%.According to the refraction of light and total reflection principle,
When light is mapped to the angle of inner core and outer bed boundary more than the critical angle for generating total reflection, the impervious interface of light is all anti-
It penetrates.There are many type of optical fiber, according to purposes difference, required function and performance also difference.But for cable television and
The principle of the optical fiber of communication, design and manufacture is essentially identical, such as:It is lost small;There is certain bandwidth and dispersion is small;Wiring is held
Easily;It is easy into system;Reliability is high;It is relatively simple to manufacture;Price is cheap etc..Existing fiber production technology includes that melting is drawn at present
The processes such as silk, sizing cooling, solidification, coating.
In prior art technology, in coating process, every production line is equipped with independent coating feeding system, by manual operation
The original-pack bucket opening of the cold coating of heat preservation to 50 DEG C or so of 10kg is poured into head tank.Because coating consumption is very fast, therefore need
Operator's power frequency is numerous to be transported to top layer by the cold coating for being stored at bottom and replaces, and coating feeding temperature is difficult to ensure;Together
When the amount of labour and labor intensity that work considerably increase operative employee such as carry, unpack, reloading, influence working efficiency.Operator
Work frequently dismantles the sealing bung of coating drum, replaces paint can, therefore is easy to be mixed into impurity and be contaminated, readily replaceable process
Middle generation bubble, and then cause optical fiber production abnormal, there is holiday, waste product is caused to occur;In addition, when serious, operator
Labour union is susceptible to two different coating replacing mistake, cause Bulk product to be scrapped, production line is caused to stop because frequently replacing
Probability improves, and yield declines, and cost increases.If the replacement of coating is not in time, after coating in paint can is empty not and
When supplement, also result in the disconnected fibre of production line, or the optical fiber not coated occur, lead to useless fibre occur, seriously affect assembly line
Duration produces.
Invention content
The present invention provides a kind of drawing optical fibers technique so that existing drawing optical fibers technique is personnel labor intensity is big, behaviour
Make the defect that big error-prone, the coating feeding temperature of risk is difficult to ensure to be addressed.
To solve the above problems, the invention discloses a kind of drawing optical fibers technique, include the following steps:
1) melt drawing process:Prefabricated rods are in 2200 DEG C of -2300 DEG C of meltings, by the sagging wire drawing of its own gravity;
2) sizing cooling process:Sagging silk thread first pass through calibration tube cooling sizing, after further cooled down by cooling tube;
3) primary coating process:By concentrating feeding system that coating is delivered in coating unit, coating equipment is by coating
It coats to the outer surface of silk thread;
4) one-step solidification process:The optical fiber for having been coated with coating is cured by ultraviolet light curing apparatus;
5) secondary coating process:By concentrating feeding system that coating is delivered in coating unit, coating equipment is by coating
It coats to the outer surface of silk thread;
6) secondary curing process:The optical fiber for having been coated with coating is cured by ultraviolet light curing apparatus;
Concentration feeding system having the same in the step 3) and step 5), the concentration feeding system include feed
System and head tank, the feeding system is by coating by Pipeline transport to head tank, and the head tank includes temperature control system, institute
State temperature control system control head tank inside courtyard temperature it is constant, coating is delivered in coating unit by the head tank.The present invention is logical
It crosses using the supply and conveying for concentrating feeding system uniformly to carry out coating, reduces the labor intensity of personnel, ensure that holding for production
Continuous property, while ensureing that head tank inside courtyard temperature is constant using temperature control system, it is suitable into the dope viscosity of coating unit to ensure.
Optionally, the feeding system includes storage tank, and the storage tank side connects main line, and main line is equipped with pressure
Power pumps, and the main line connects supply lines by control valve;The supply lines connect several head tanks.Storage tank is set
Connect multiple head tanks uniformly mix, reload convenient for coating, dnockout, improve concentrate feeding system service efficiency.
Optionally, the head tank includes tank skin, the tank skin hollow forming cavity, and hot water, institute are housed in the cavity
Hot water in cavity is stated by piping connection heat-exchange tube, hot water is connected in the heat-exchange tube, hot friendship is acted in water pump
It changes between pipe and cavity and circulates;The hot water of cycle is heated to steady temperature by heater.Head tank is taken to carry hot water
The circulatory system, it is simple in structure, convenient for efficiently, stablize and control head tank inside courtyard at 50 DEG C or so, while in higher temperature
Under, be conducive to stirring to remove bubble removing.
Optionally, the heat-exchange tube includes that the side pipe being connected with each other and bottom tube, the side pipe are parallel to head tank tank skin
Arrangement, the bottom tube are parallel to head tank tank bottom arrangement, and the intensive Foldble disk cloth of side pipe is rectangular.Pipe is taken to be parallel to tank
Wall, bottom tube are parallel to the heat-exchange tube of bottom configuration, convenient for stirring paddle stirring in head tank, while the intensive Foldble disk cloth of side pipe at
Rectangle, heat exchange area is big, and heat exchange effect is good.
Optionally, the head tank is additionally provided with fallen leaves formula agitating paddle, and the fallen leaves formula agitating paddle is driven by driving motor.
Fallen leaves formula agitating paddle is taken to be convenient for seething the liquid of bottom to feed liquid top, and formula agitating paddle of falling leaves gos deep into tank, it is not easy to
Generate bubble.
Optionally, pipeline is equipped with flow control valve between the heat-exchange tube and cavity, and the cavity connection temperature is surveyed
Instrument is tried, the flow control valve connects temperature control system with temperature measuring device, and the flow velocity of the temperature control system control hot water is controlled in turn
The temperature of head tank inside courtyard processed.The temperature of each head tank inside courtyard is controlled by temperature control system, convenient for unified monitoring, pipe
Reason, the labor intensity of less operator, less operation error.
Optionally, charge pipe is connected on the head tank, charge pipe is poly- diformazan for antifoaming agent, the antifoaming agent to be added dropwise
Radical siloxane antifoaming agent, dripping quantity 0.02ml-0.04ml/L.A certain amount of antifoaming agent is added and favorably removes bubble removing, simultaneously
The formation for reducing micro-bubble, further improves defoaming effect so that uniformly coating gathers coating to sagging wire surface
Dimethyl siloxane antifoaming agent is apparent to low moderately viscous liquid defoaming effect convenient for being dissolved in organic solvent.
Optionally, head tank connection coating feed pipe and coating discharge nozzle, on the upside of the coating feed pipe on tube wall
Equipped with opening, the coating discharge nozzle is equipped with bubble filter, and the coating discharging pipe end is equipped with bubble analyzer.Coating
Tube wall is equipped with opening convenient for exhausting the bubble brought into feeding pipe when coating enters head tank on the upside of feed pipe, is arranged
Bubble filter is convenient for further removing bubble removing, and bubble analyzer prevents going out for special circumstances convenient for the removal situation of monitoring bubble
It is existing, influence of the bubble to follow-up producing process is reduced, to greatest extent reduction in the numbers of seconds.
Compared with prior art, the technical program has the following advantages:
The present invention reduces the labor intensity of personnel using the supply and conveying of concentrating feeding system uniformly to carry out coating, protects
The duration of production has been demonstrate,proved, while having ensured that head tank inside courtyard temperature is constant using temperature control system, has been ensured into coating unit
Dope viscosity is suitable.
In addition, the multiple head tanks of setting storage tank connection are uniformly mixed convenient for cold coating, reloaded, dnockout, collection is improved
The service efficiency of middle feeding system.Take head tank to carry hot water cyclesystem, it is simple in structure, convenient for efficiently, stablize will charging
Tank inside courtyard is controlled at 50 DEG C or so, while at a higher temperature, is conducive to stir paddle stirring to remove bubble removing.Take Guan Ping
Row is parallel to the heat-exchange tube of bottom configuration in tank skin, bottom tube, convenient for stirring in head tank, while the intensive Foldble disk cloth of side pipe at
Rectangle, heat exchange area is big, and heat exchange effect is good.Fallen leaves formula agitating paddle is taken convenient for seething the liquid of bottom to feed liquid
Portion, and formula agitating paddle of falling leaves gos deep into tank, it is not easy to generate bubble.
The temperature of each head tank inside courtyard is controlled by temperature control system, convenient for unified monitoring, management, less operator
Labor intensity, less operation error.A certain amount of antifoaming agent is added and favorably removes bubble removing, reduces the formation of micro-bubble, into
One step improves defoaming effect so that uniformly coating is to sagging wire surface for coating, and dimethyl silicone polymer antifoaming agent is just
It is apparent to the liquid defoaming effect of low viscosity in being dissolved in organic solvent.Tube wall is equipped with opening convenient for row on the upside of coating feed pipe
Falling the bubble brought into feeding pipe when coating enters head tank, setting bubble filter is convenient for further removing bubble removing,
Bubble analyzer prevents the appearance of special circumstances convenient for the removal situation of monitoring bubble, reduces shadow of the bubble to follow-up producing process
It rings, to greatest extent reduction in the numbers of seconds.
Structure of the invention is succinctly effective, of low cost, meets the idea in management of lean production.
Description of the drawings
Fig. 1 is the process flow chart of the embodiment of the present invention;
Fig. 2 is the structural schematic diagram of the concentration feeding system of the embodiment of the present invention;
Fig. 3 is the structural schematic diagram of the head tank of the embodiment of the present invention;
Fig. 4 is the side pipe arrangement schematic diagram of the embodiment of the present invention.
1, feeding system, 2, head tank, 3, temperature control system, 4, storage tank, 5, compression pump, 6, main line, 7, supply lines,
8, coating feed pipe, 9, coating discharge nozzle, 10, bubble filter, 11, bubble analyzer, 20, tank skin, 21, cavity, 22, heat hands over
Change pipe, 23, fallen leaves formula agitating paddle, 24, flow control valve, 25, temperature measuring device, 26, charge pipe, 27, water pump, 28, heater,
29, driving motor, 31, return line, 32, booster pump, 33, triple valve, 34, temperature inductor, 81, opening, 221, side pipe,
222, bottom tube.
Specific implementation mode
Below in conjunction with the accompanying drawings, by specific embodiment, clear, complete description is carried out to technical scheme of the present invention.
The invention discloses a kind of drawing optical fibers techniques, include the following steps (see attached drawing 1):
1) melt drawing process:Prefabricated rods are in 2200 DEG C of -2300 DEG C of meltings, by the sagging wire drawing of its own gravity;
2) sizing cooling process:Sagging silk thread first pass through calibration tube cooling sizing, after further cooled down by cooling tube;
3) primary coating process:By concentrating feeding system that coating is delivered in coating unit, coating equipment is by coating
It coats to the outer surface of silk thread;
4) one-step solidification process:The optical fiber for having been coated with coating is cured by ultraviolet light curing apparatus;
5) secondary coating process:By concentrating feeding system that coating is delivered in coating unit, coating equipment is by coating
It coats to the outer surface of silk thread;
6) secondary curing process:The optical fiber for having been coated with coating is cured by ultraviolet light curing apparatus.
Embodiment:The embodiment of the invention discloses a kind of concentration feeding system (see attached drawings 2,3,4), can be applied to above-mentioned step
It is rapid 3) and step 5) in, the concentration feeding system includes feeding system 1 and head tank 2, and the feeding system leads to coating by 1
Pipeline transport is crossed to head tank 2, the head tank 2 includes temperature control system 3, and the temperature control system 3 controls 2 inside courtyard temperature of head tank
Spend constant, coating is delivered in coating unit by the head tank 2.The present invention is uniformly applied by using concentration feeding system
The supply and conveying of material, reduce the labor intensity of personnel, ensure that the duration of production, while ensureing charging using temperature control system
Tank inside courtyard temperature is constant, and it is suitable into the dope viscosity of coating unit to ensure.
The feeding system 1 includes storage tank 4, and 4 side of the storage tank connects main line 5, and main line 5 is equipped with pressure
Pump 6, the main line 5 connect supply lines 7 by control valve;The supply lines 7 connect several head tanks 2.Setting storage
Batch can 4 connects multiple head tanks 2 and uniformly mixes, reloads convenient for cold coating.In embodiment, control valve is triple valve 33;It is main
Pipeline 6 connects return line 31, the reflux connection storage tank 4 of the return line 31, return line 31 by triple valve 33
On be also connected with booster pump 32, by be arranged return line 31, convenient for coating charging, mixing, reduce loss of material.
The head tank 2 includes tank skin 20, and 20 hollow forming cavity 21 of the tank skin, the cavity 21 is interior to be equipped with hot water,
Hot water in the cavity 21 is connected with hot water, in water pump 27 by piping connection heat-exchange tube 22 in the heat-exchange tube 22
It acts between heat-exchange tube 22 and cavity 21 and circulates;The hot water of cycle is heated to steady temperature by heater 28.It adopts
Take head tank 2 to carry hot water cyclesystem, it is simple in structure, convenient for efficiently, stablize and control head tank inside courtyard at 50 DEG C or so,
Simultaneously at a higher temperature, be conducive to stirring to remove bubble removing.
The heat-exchange tube 22 includes that the side pipe 221 being connected with each other and bottom tube 222, the side pipe 221 are parallel to head tank 2
Tank skin 20 arranges that the bottom tube 222 is parallel to 2 tank bottom of head tank arrangement, and 221 intensive Foldble disk cloth of the side pipe is rectangular.It adopts
Take pipe to be parallel to tank skin 20, bottom tube 222 is parallel to the heat-exchange tube 22 of bottom configuration, convenient for stirring in head tank 2, while side pipe
221 intensive Foldble disk cloth are rectangular, and heat exchange area is big, and heat exchange effect is good.
The head tank 2 is additionally provided with fallen leaves formula agitating paddle 23, and the fallen leaves formula agitating paddle 23 is driven by driving motor 29.
Fallen leaves formula agitating paddle 23 is taken to be convenient for seething the liquid of bottom to feed liquid top, and formula agitating paddle 23 of falling leaves gos deep into tank, no
Easy to produce bubble.To reduce the effect of the mixed liquid of stirring gas in the present embodiment, by the rotating speed of formula agitating paddle 23 of falling leaves
5-10 revs/min of control.
Pipeline is equipped with flow control valve 24 between the heat-exchange tube 22 and cavity 21, and the cavity 24 connects temperature and surveys
Instrument 25 is tried, the flow control valve 24 and temperature measuring device 25 connect temperature control system 3, and the temperature control system 3 controls the stream of hot water
Speed and then the temperature for controlling 2 inside courtyard of head tank.The temperature that 2 inside courtyard of each head tank is controlled by temperature control system 3, is convenient for
Unified monitoring, management, the labor intensity of less operator, less operation error.2 inner wall of head tank is equipped with temperature in the present embodiment
Inductor 34, the temperature inductor 34 link temperature control system 3, and coating material temperature control is at 40 DEG C -60 DEG C in the present embodiment.
Charge pipe 26 is connected on the head tank 2, charge pipe 26 is poly dimethyl for antifoaming agent, the antifoaming agent to be added dropwise
Silicone antifoam agent, dripping quantity 0.02ml-0.04ml/L.A certain amount of antifoaming agent is added and favorably removes bubble removing, reduces micro-
The formation of minute bubbles, further improves defoaming effect so that coating is uniformly coated to sagging wire surface, poly dimethyl
Silicone antifoam agent is apparent to the liquid defoaming effect of low viscosity convenient for being dissolved in organic solvent.Using compound in the present embodiment
Dimethyl silicone polymer antifoaming agent.
The head tank 2 connects coating feed pipe 8 and coating discharge nozzle 9,8 upside tube wall of the coating feed pipe are equipped with
Opening 81, the coating discharge nozzle 9 are equipped with bubble filter 10, and the coating discharging pipe end is equipped with bubble analyzer 11.
8 upside tube wall of coating feed pipe is equipped with opening convenient for exhausting the gas brought into supply lines 7 when coating enters head tank 2
Bubble, setting bubble filter 10 are convenient for further removing bubble removing, and bubble analyzer 11 prevents convenient for the removal situation of monitoring bubble
The appearance of special circumstances reduces influence of the bubble to follow-up producing process, to greatest extent reduction in the numbers of seconds.
When the embodiment of the present invention is implemented, feeding system newly will add material to be uniformly mixed using return line, booster pump.It closes
Coating is delivered to each head tank by return line, feeding system by main line, supply lines.Heater heats in head tank
Hot water, temperature control system control head tank inside courtyard temperature by the flow of control loop hot water;After head tank is equipped with coating, drive
Dynamic motor driving fallen leaves formula agitating paddle is slowly stirred, and antifoaming agent is added dropwise according to the amount of head tank inside courtyard.The coating of discharging passes through
It crosses bubble filter and further eliminates bubble, monitored by bubble analyzer on coating discharge nozzle and contained in final discharging coating
Number of bubbles.
Although the invention has been described by way of example and in terms of the preferred embodiments, but it is not for limiting the present invention, any this field
Technical staff without departing from the spirit and scope of the present invention, may be by the methods and technical content of the disclosure above to this hair
Bright technical solution makes possible variation and modification, therefore, every content without departing from technical solution of the present invention, and according to the present invention
Technical spirit to any simple modifications, equivalents, and modifications made by above example, belong to technical solution of the present invention
Protection domain.
Claims (5)
1. a kind of drawing optical fibers technique, which is characterized in that include the following steps:
Primary coating process:By concentrate feeding system coating is delivered in coating unit, coating equipment by coating coat to
The outer surface of silk thread;
One-step solidification process:The optical fiber for having been coated with coating is cured by ultraviolet light curing apparatus;
Secondary coating process:By concentrate feeding system coating is delivered in coating unit, coating equipment by coating coat to
The outer surface of silk thread;
Secondary curing process:The optical fiber for having been coated with coating is cured by ultraviolet light curing apparatus;
The primary coating process and secondary coating process concentration feeding system having the same, the concentration feeding system include
Feeding system and head tank, for the feeding system by coating by Pipeline transport to head tank, the head tank includes temperature control system
System, the temperature control system control head tank inside courtyard temperature is constant, and coating is delivered in coating unit by the head tank;
The feeding system includes storage tank, and the storage tank side connects main line, and main line is equipped with compression pump, the master
Pipeline connects supply lines by control valve;The supply lines connect several head tanks;
The head tank includes tank skin, the tank skin hollow forming cavity, and hot water, the heat in the cavity are housed in the cavity
Water is connected with hot water by piping connection heat-exchange tube in the heat-exchange tube, water pump act on heat-exchange tube and cavity it
Between circulate;The hot water of cycle is heated to steady temperature by heater;
The heat-exchange tube includes the side pipe being connected with each other and bottom tube, and the side pipe is parallel to head tank tank skin arrangement, the bottom
Pipe is parallel to head tank tank bottom arrangement, and the intensive Foldble disk cloth of side pipe is rectangular.
2. drawing optical fibers technique as described in claim 1, which is characterized in that the head tank is additionally provided with fallen leaves formula agitating paddle,
The fallen leaves formula agitating paddle is driven by driving motor.
3. drawing optical fibers technique as described in claim 1, which is characterized in that set on pipeline between the heat-exchange tube and cavity
There are flow control valve, the cavity to connect temperature measuring device, the flow control valve connects temperature control system, institute with temperature measuring device
It states the flow velocity of temperature control system control hot water and then controls the temperature of head tank inside courtyard.
4. drawing optical fibers technique as described in claim 1, which is characterized in that connect charge pipe, charge pipe on the head tank
For antifoaming agent to be added dropwise, the antifoaming agent is dimethyl silicone polymer antifoaming agent, dripping quantity 0.02ml-0.04ml/L.
5. drawing optical fibers technique as described in claim 1, which is characterized in that the head tank connection coating feed pipe and coating
Discharge nozzle, coating feed pipe upside tube wall are equipped with opening, and the coating discharge nozzle is equipped with bubble filter, the painting
Material discharging pipe end is equipped with bubble analyzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810589543.XA CN108689594B (en) | 2016-03-31 | 2016-03-31 | Optical fiber drawing process |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810589543.XA CN108689594B (en) | 2016-03-31 | 2016-03-31 | Optical fiber drawing process |
| CN201610195952.2A CN105859121B (en) | 2016-03-31 | 2016-03-31 | Drawing optical fibers technique |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610195952.2A Division CN105859121B (en) | 2016-03-31 | 2016-03-31 | Drawing optical fibers technique |
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| Publication Number | Publication Date |
|---|---|
| CN108689594A true CN108689594A (en) | 2018-10-23 |
| CN108689594B CN108689594B (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810589543.XA Active CN108689594B (en) | 2016-03-31 | 2016-03-31 | Optical fiber drawing process |
| CN201810341195.4A Active CN108545926B (en) | 2016-03-31 | 2016-03-31 | Optical fiber drawing process |
| CN201610195952.2A Active CN105859121B (en) | 2016-03-31 | 2016-03-31 | Drawing optical fibers technique |
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| CN201810341195.4A Active CN108545926B (en) | 2016-03-31 | 2016-03-31 | Optical fiber drawing process |
| CN201610195952.2A Active CN105859121B (en) | 2016-03-31 | 2016-03-31 | Drawing optical fibers technique |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107311474B (en) * | 2017-05-27 | 2019-12-31 | 杭州富通通信技术股份有限公司 | Optical fiber deuterium processing system |
| CN108103590A (en) * | 2018-01-26 | 2018-06-01 | 江苏南方光纤科技有限公司 | The offline feeding system of coating |
| CN111138092B (en) * | 2019-12-20 | 2022-03-04 | 杭州富通通信技术股份有限公司 | Optical fiber production process |
| US12012358B2 (en) | 2020-06-19 | 2024-06-18 | Corning Incorporated | Method of applying coating liquid to an optical fiber |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108545926A (en) | 2018-09-18 |
| CN108545926B (en) | 2020-09-25 |
| CN108689594B (en) | 2020-12-22 |
| CN105859121B (en) | 2018-06-26 |
| CN105859121A (en) | 2016-08-17 |
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