CN202786009U - Preparation device of optical fiber preform rod - Google Patents

Preparation device of optical fiber preform rod Download PDF

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Publication number
CN202786009U
CN202786009U CN 201220354688 CN201220354688U CN202786009U CN 202786009 U CN202786009 U CN 202786009U CN 201220354688 CN201220354688 CN 201220354688 CN 201220354688 U CN201220354688 U CN 201220354688U CN 202786009 U CN202786009 U CN 202786009U
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CN
China
Prior art keywords
blowtorch
blast
rod core
detector
prefabricated rods
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.)
Withdrawn - After Issue
Application number
CN 201220354688
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Chinese (zh)
Inventor
章海峰
杨军勇
冯高峰
卢卫民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuyang Optical Communications Industry Technology Research And Development Centers
Futong Group Co Ltd
Original Assignee
Fuyang Optical Communications Industry Technology Research And Development Centers
Futong Group Co Ltd
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Filing date
Publication date
Application filed by Fuyang Optical Communications Industry Technology Research And Development Centers, Futong Group Co Ltd filed Critical Fuyang Optical Communications Industry Technology Research And Development Centers
Priority to CN 201220354688 priority Critical patent/CN202786009U/en
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Publication of CN202786009U publication Critical patent/CN202786009U/en
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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
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/01406—Deposition reactors therefor
    • 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
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/01413—Reactant delivery systems
    • C03B37/0142—Reactant deposition burners
    • 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
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/0144—Means for after-treatment or catching of worked reactant gases
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/50—Multiple burner arrangements
    • C03B2207/52—Linear array of like burners
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/60—Relationship between burner and deposit, e.g. position
    • C03B2207/66—Relative motion

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General 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)
  • Manufacture, Treatment Of Glass Fibers (AREA)

Abstract

The utility model discloses a preparation device of an optical fiber preform rod, which comprises a blast lamp group composed of two or more blast lamps, a detector and a controller, wherein the blast lamp group is mounted in a reaction chamber and used for depositing particle loose bodies for a preform rod core; the detector is connected with the blast lamps in the blast lamp group and used for detecting the flows of the blast lamps and sending a detection result; the controller is connected with the detector and the blast lamps and used for receiving the detection result sent by the detector and regulating the flows of all the blast lamps to be the same according to the detection result; and the controller is also connected with the preform rod core and the blast lamp group respectively and used for regulating the rotation speed of the preform rod core, the distance between the blast lamp socket of each blast lamp and the center of the preform rod core, the distance between every two blast lamps and the side-to-side reciprocating motion speed and stroke of the blast lamp group. According to the utility model, the uniform mass distribution of the glass particle loose bodies on the preform rod core can be realized, thereby realizing that the outer diameter of a vitrified optical fiber preform rod in the axial direction has less fluctuation.

Description

The preparation facilities of preform
Technical field
The utility model relates to the preparing technical field of preform, more particularly, relates to a kind of preparation facilities of preform loose particles body.
Background technology
At present, along with the development of Fibre Optical Communication Technology, also more and more higher to the requirement of optical fiber property.Optical fiber is by carrying out forming after the wire drawing to preform on the drawing wire machine, if the fluctuation of the external diameter of preform is less, the performance of the optical fiber of pulling out by drawing wire machine is just better.Therefore, for the performance that makes optical fiber better, just must be so that the external diameter of the preform of preparing fluctuates less.
What the preparation of traditional preform was mainly adopted is outside vapour deposition process, by the excellent core injection glass particle of burners set to preform, and by caliper the external diameter that is attached to the glass particle loose media on the excellent core is detected, according to the blowtorch in the detected result adjustment burners set, final so that the external diameter of preform is identical.
But, because the blowtorch used of current combustion is manual manufacturing, there is certain difference between the individuality, in the process of deposited fine glass particles to the excellent core, can be because the difference of each blowtorch cause the density that deposits to the glass particle on the excellent core not identical.Therefore, although the external diameter of the preform that records by caliper is identical, but because the density of the glass particle loose media that adheres to everywhere on the preform is not identical, behind preform process high temperature furnace glass, the external diameter of preform will change, no longer consistent, finally cause the external diameter fluctuation of the preform prepared larger.
The utility model content
In view of this, the utility model provides a kind of preparation facilities of preform, and is even to realize the mass distribution of glass particle loose media on prefabricated rods rod core, and then realizes that the preform external diameter fluctuation in the axial direction after the vitrifying is less.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of preparation facilities of preform comprises: the burners set, detector and the controller that are comprised of two or more blowtorch; Wherein:
Described burners set is to prefabricated rods rod core deposited particles loose media and be installed in the reaction chamber;
Described detector detects the flow of blowtorch in the coupled described burners set, and sends the detection result;
Described controller receives the detected result that coupled described detector sends, and is adjusted to unanimously according to the flow of described detected result with each coupled blowtorch;
Described controller is also regulated respectively the blowtorch mouth of the velocity of rotation of coupled prefabricated rods rod core, coupled described blowtorch and distance, described blowtorch distance and the reciprocating speed in the described burners set left and right sides and the stroke between any two at the excellent core of described prefabricated rods center.
Preferably, described blowtorch distance between any two is identical with the reciprocating stroke in the described burners set left and right sides, is 150mm ~ 350mm.
Preferably, the distance at the blowtorch mouth of described blowtorch and described prefabricated rods rod core center is 200mm ~ 500mm.
Preferably, the velocity of rotation v of described prefabricated rods rod core with the ratio of the left and right sides to-and-fro movement speed w of described burners set is: 1≤(v/w)≤2.
Preferably, described detector also detects the flow of each waste discharge mouth of waste discharge system in the coupled reaction chamber, and detected result is sent to described controller;
Described controller receives the flow results of the waste discharge mouth of described detector transmission, and according to described result the flow of each coupled waste discharge mouth is adjusted to unanimously.
Can find out from above-mentioned technical scheme, the preparation facilities of the disclosed a kind of preform of the utility model, detect the flow of each blowtorch in the burners set by detector, regulate the flow of each blowtorch according to detected result by controller, make the flow of each blowtorch consistent, guarantee that each blowtorch deposits to the identical in quality of loose particles body on the respective regions prefabricated rods rod core; And by the velocity of rotation of controller adjusting prefabricated rods rod core, the blowtorch mouth of blowtorch and distance, blowtorch distance, the reciprocating speed in the burners set left and right sides and the stroke between any two at described prefabricated rods rod core center, make burners set and prefabricated rods rod core reach moving equilibrium; Because each blowtorch deposits to the identical in quality of loose particles body on the respective regions prefabricated rods rod core, and moving equilibrium between burners set and the prefabricated rods rod core, therefore the loose particles weight through regional deposition on the post-depositional prefabricated rods rod core is identical, thereby has realized that the prefabricated rods external diameter fluctuation behind high temperature furnace glass is less.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the preparation facilities of the disclosed a kind of preform of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment discloses a kind of preparation facilities of preform, and is even to realize the mass distribution of glass particle loose media on prefabricated rods rod core, and then realizes that the preform external diameter fluctuation in the axial direction after the vitrifying is less.
As shown in Figure 1, a kind of preparation facilities of preform comprises: the burners set 11, detector 12 and the controller 13 that are comprised of two or more blowtorch 16; Wherein:
Burners set 11 is installed in the reaction chamber 14, is used for to prefabricated rods rod core 15 deposited particles loose medias;
Detector 12 links to each other with blowtorch 16 in the burners set 11, for detection of the flow of blowtorch 16, and sends and detects the result;
Controller 13 links to each other with blowtorch 16 with detector 12, is used for receiving the detected result that detector 12 sends, and is adjusted to unanimously according to the flow of described detected result with each blowtorch 16;
Controller 13 also links to each other with burners set 11 with prefabricated rods rod core 15 respectively, is used for regulating the velocity of rotation of prefabricated rods rod core 15, the blowtorch mouth of blowtorch 16 and distance, blowtorch 15 distance, the reciprocating speed in burners set 11 left and right sides and the stroke between any two at prefabricated rods rod core 15 centers.
Concrete, blowtorch 16 distance between any two is identical with the reciprocating stroke in burners set 11 left and right sides, is 150mm ~ 350mm;
The distance at the blowtorch mouth of blowtorch 16 and prefabricated rods rod core 15 centers is 200mm ~ 500mm.
The velocity of rotation v of prefabricated rods rod core 15 with the ratio of the left and right sides to-and-fro movement speed w of burners set 11 is: 1≤(v/w)≤2.
In the preparation process of above-described embodiment preform, detect the flow of each blowtorch 16 in the burners set 11 by detector 12, and detected result is sent in the controller 13, controller 13 is adjusted to unanimously according to the flow results of each blowtorch 16 that the receives flow with each blowtorch 16, guarantees that in preparation process each blowtorch 16 deposits to the identical in quality of loose particles body on the excellent core 15 of respective regions prefabricated rods;
Regulate the velocity of rotation of prefabricated rods rod core 15, the blowtorch mouth of blowtorch 16 and distance, blowtorch 16 distance, the reciprocating speed in burners set 11 left and right sides and the stroke between any two at prefabricated rods rod core 15 centers by controller 13 adjustment controls, make burners set 11 and prefabricated rods rod core 15 reach moving equilibrium;
Supply air system 17 by being installed in reaction chamber 14 lower ends of being made by anticorrosive air amount in the reaction chamber 14, supply air system 17 is by initiatively air-supply and passive air-supply two portions form, wherein, initiatively air-supply part is responsible for the inwall of cooling reaction chamber 14, simultaneously dust is blown into the waste discharge system 18 that is installed in reaction chamber 14 upper ends, waste discharge system 18 is got rid of dust, prevents reaction chamber 14 inwall laying dusts; Passive air-supply part is responsible for guaranteeing internal pressure stabilises, the steady air current of reaction chamber 14, guarantees that simultaneously the air that enters in the reaction chamber 14 is uncontaminated air.
In order to make the mass distribution of glass particle loose media on preform core more even, detector 12 also links to each other with each waste discharge mouth 19 of waste discharge system 18 in the reaction chamber 14 respectively, for detection of the flow of waste discharge mouth 19, and detected result is sent to controller 13;
Controller 13 links to each other with each waste discharge mouth 19 respectively, is used for the flow results of the waste discharge mouth of reception detector 12 transmissions, and according to described result the flow of each waste discharge mouth 19 is adjusted to unanimously.
Be adjusted to unanimously by the flow with each waste discharge mouth 19, can make reaction chamber 14 satisfy air balance, make the glass particle loose media mass distribution that deposits on the prefabricated rods rod core 15 more even.
On the basis of above-described embodiment, the weight of the preform that needs preparation can also be set in controller, increasing weighing system weighs to the preform in deposition process, when the preform in the deposition reaches predefined weight, controller is controlled prefabricated rods rod core and burners set stop motion, finishes the preparation process of preform.
The two group experimental datas of preparation facilities in the preform preparation process that the below provides for the utility model.
First group:
In burners set 9 blowtorch are installed, spacing L between the blowtorch is set as 240mm, the blowtorch mouth is set as 320mm from the distance H at prefabricated rods rod core center, and the speed of rotation w of prefabricated rods rod core is set as 175r/min, and the movement speed v of burners set is set as 250mm/min.In the preparation process of preform, the wind speed V of control waste discharge mouth 1Be 6.58m/s, about the fluctuation 0.15m/s in.Loose particles body weight in deposition stops deposition when reaching 53.9kg, and the significant part mean diameter that obtains the glass particle loose media is 267.6mm, and maximum is 286mm, and minimum place is 252mm, and fluctuation ratio is about ± and 6.5%.After loose particles body dehydration vitrifying, the significant part mean outside diameter is 119.5mm, and maximum diameter is 122.4mm, and minimum diameter is 117.6mm, fluctuation ratio is about ± and 2.5%.
Second group:
In burners set 8 blowtorch are installed, spacing L between the blowtorch is set as 250mm, the blowtorch mouth is set as 280mm from the distance H at prefabricated rods rod core center, and the speed of rotation w of prefabricated rods rod core is set as 150r/min, and the movement speed v of burners set is set as 200mm/min.In the preparation process of preform, the wind speed V1 of control waste discharge mouth is 6.2m/s, about in the fluctuation 0.15m/s.Loose particles body weight in deposition stops deposition when reaching 24.5kg, and the significant part mean diameter that obtains the glass particle loose media is 169.2mm, and maximum is 178.5mm, and minimum place is 163mm, and fluctuation ratio is about ± and 5.5%.After loose particles body dehydration vitrifying, the significant part mean outside diameter is 80.2mm, and maximum diameter is 82.3mm, and minimum diameter is 78.5mm, fluctuation ratio is about ± and 2.6%.
Two groups of experimental datas can be found out from the two sides, and the preparation facilities of the preform that the utility model provides can be prepared the less preform of external diameter fluctuation.
Each embodiment adopts the mode of going forward one by one to describe in this specification sheets, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (5)

1. the preparation facilities of a preform is characterized in that, comprising: the burners set, detector and the controller that are comprised of two or more blowtorch; Wherein:
Described burners set is to prefabricated rods rod core deposited particles loose media and be installed in the reaction chamber;
Described detector detects the flow of blowtorch in the coupled described burners set, and sends the detection result;
Described controller receives the detected result that coupled described detector sends, and is adjusted to unanimously according to the flow of described detected result with each coupled blowtorch;
Described controller is also regulated respectively the blowtorch mouth of the velocity of rotation of coupled prefabricated rods rod core, coupled described blowtorch and distance, described blowtorch distance and the reciprocating speed in the described burners set left and right sides and the stroke between any two at the excellent core of described prefabricated rods center.
2. device according to claim 1 is characterized in that, described blowtorch distance between any two is identical with the reciprocating stroke in the described burners set left and right sides, is 150mm ~ 350mm.
3. device according to claim 1 is characterized in that, the distance at the blowtorch mouth of described blowtorch and described prefabricated rods rod core center is 200mm ~ 500mm.
4. device according to claim 1 is characterized in that, the velocity of rotation v of described prefabricated rods rod core with the ratio of the left and right sides to-and-fro movement speed w of described burners set is: 1≤(v/w)≤2.
5. device according to claim 1 is characterized in that, described detector also detects the flow of each waste discharge mouth of waste discharge system in the coupled reaction chamber, and detected result is sent to described controller;
Described controller receives the flow results of the waste discharge mouth of described detector transmission, and according to described result the flow of each coupled waste discharge mouth is adjusted to unanimously.
CN 201220354688 2012-07-20 2012-07-20 Preparation device of optical fiber preform rod Withdrawn - After Issue CN202786009U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220354688 CN202786009U (en) 2012-07-20 2012-07-20 Preparation device of optical fiber preform rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220354688 CN202786009U (en) 2012-07-20 2012-07-20 Preparation device of optical fiber preform rod

Publications (1)

Publication Number Publication Date
CN202786009U true CN202786009U (en) 2013-03-13

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CN 201220354688 Withdrawn - After Issue CN202786009U (en) 2012-07-20 2012-07-20 Preparation device of optical fiber preform rod

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103570239A (en) * 2012-07-20 2014-02-12 富通集团有限公司 Preparation apparatus and method of optical fiber preform rod
CN103964684A (en) * 2014-04-30 2014-08-06 长飞光纤光缆股份有限公司 Machine tool for depositing optical fiber preform rods by outside chemical vapor deposition method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103570239A (en) * 2012-07-20 2014-02-12 富通集团有限公司 Preparation apparatus and method of optical fiber preform rod
CN103570239B (en) * 2012-07-20 2016-03-02 富通集团有限公司 The preparation facilities of preform and method
CN103964684A (en) * 2014-04-30 2014-08-06 长飞光纤光缆股份有限公司 Machine tool for depositing optical fiber preform rods by outside chemical vapor deposition method

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20130313

Effective date of abandoning: 20160302

C25 Abandonment of patent right or utility model to avoid double patenting