CN102225835B - Process gas distributive ring for fiber prefabricated rod melting furnace - Google Patents
Process gas distributive ring for fiber prefabricated rod melting furnace Download PDFInfo
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- CN102225835B CN102225835B CN 201110083441 CN201110083441A CN102225835B CN 102225835 B CN102225835 B CN 102225835B CN 201110083441 CN201110083441 CN 201110083441 CN 201110083441 A CN201110083441 A CN 201110083441A CN 102225835 B CN102225835 B CN 102225835B
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- ring
- air
- annular
- interior
- cushion chamber
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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
- C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
- C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
- C03B37/01257—Heating devices therefor
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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)
- Furnace Details (AREA)
Abstract
The invention relates to a process gas distributive ring for a fiber prefabricated rod melting furnace, comprising a disk-shaped gas ring body. An inward oriented gas ring and an air blowing ring are respectively disposed over and below a step hole in the central portion of the gas ring; the intermediate through hole of the inward oriented gas ring and that of the air blowing ring are consistent to form a central through hole; an protruding conical surface on the lower end of the inward oriented gas ring and a concave conical surface on the upper end of the air blowing ring are configured at intervals to form a cone annular air blowing port heading to the central through hole; the peripheral areas of the wall body on the middle portion of the inward oriented gas ring are equipped with annular gas outlets with the openings arranged upwards; the cone annular air blowing port is connected with an air inlet on one side of the lower portion of the gas ring body through an air conductive cushion chamber; the annular gas outlet is connected with an inward oriented air inlet on one side of the upper portion of the air ring body through the inward air conductive cushion chamber; and the gas ring body is provided with a cooling water chamber. The process gas distributive ring provided by the invention has a simple and reasonable structure, is easy to process and its manufacturing cost is greatly reduced; in addition, it has advantages of good usage performance, stable usage performance, strong cooling and airtight functions and long usage life.
Description
Technical field
The present invention relates to a kind of process gas distributing ring for the molten contracting stove of preform.
Background technology
The process gas distributing ring is the vitals for the molten contracting stove of preform, is mainly used in the air-blowing sealing of the molten contracting stove of preform, bears the thermal radiation more than 2000 ℃ during work, and environment is very abominable.Though existing temperature import air blowing ring is made by high heat-resistance stainless steel, but be welded by a plurality of parts, complex structure and arrange unreasonablely, not only difficulty of processing is large, and use properties is poor, product life is short, the commissure easily produces the crack, so that cooling and airtight function reduction cause the air turbulence of blowing, stove is impaired, when serious even make product rejection.
Summary of the invention
Technical problem to be solved by this invention is the process gas distributing ring that is used for the molten contracting stove of preform that a kind of structure that provides for the deficiencies in the prior art arranges rationally, is easy to make, use properties is good, the life-span is long.
The present invention solves the problems of the technologies described above the technical scheme that adopts to be:
Include discoidal compression ring body, the middle part of compression ring body offers stepped hole, above stepped hole, be installed on interior guide ring, below stepped hole, be installed on air blowing ring, the intermediate throughholes of interior guide ring formation central through hole consistent with the intermediate throughholes of air blowing ring, the lower end of interior guide ring is that the indent conical surface arranged spaced of the evagination conical surface and air blowing ring upper end forms circular cone annular puff port, circular cone annular puff port is towards central through hole, be provided with the annular air outlet of opening upwards in the middle part of interior guide ring body periphery, described circular cone annular puff port is connected with the air inlet port that is arranged on compression ring body below one side by the air guide cushion chamber, described annular air outlet by interior air guide cushion chamber be arranged on compression ring body top one side in lead air inlet port and be connected, be provided with cooling water cavity around interior air guide cushion chamber on the compression ring body.
Press such scheme, described interior guide ring and air blowing ring and compression ring body are linked into one by the welding of junction.
Press such scheme, described cooling water cavity is for semi-circular greatly, large semiorbicular cooling water cavity termination be connected into and out of the water hole; Large semiorbicular cooling water cavity inboard is near interior air guide cushion chamber.
Press such scheme, described air guide cushion chamber is linked by air blowing ring periphery and compression ring body stepped hole and forms, and the air guide cushion chamber is circular, in be provided with annular gas block panel.
Press such scheme, described interior air guide cushion chamber by interior guide ring periphery with link with compression ring body stepped hole and form, interior air guide cushion chamber is circular, in be provided with annular gas block panel, the radial hole that interior air guide cushion chamber is offered by circumferential side wall is connected with annular air outlet.
Press such scheme, the angle of the indent conical surface of the evagination conical surface of described interior guide ring lower end and air blowing ring upper end is identical, the conical surface monolateral with the angle central through hole axis be 30～60 °; Method spaced apart between the indent conical surface of the evagination conical surface of interior guide ring lower end and air blowing ring upper end is 0.4～0.6 millimeter.
Beneficial effect of the present invention is: 1, distributing ring is linked by three parts and consists of, and structure arranges advantages of simple, is easy to processing, and cost of manufacture significantly reduces; 2, not only use properties is good, and use properties is stable, and cooling and tight function are strong, and the commissure is not easy to crack, and greatly prolong work-ing life, has reduced the maintenance of the molten contracting stove of preform, has improved work efficiency.
Description of drawings
Fig. 1 is the sectional structure chart of one embodiment of the invention.
Embodiment
Further specify embodiments of the invention below in conjunction with accompanying drawing.Include discoidal compression ring body 1, compression ring body periphery is up big and down small, the middle part of compression ring body offers stepped hole, stepped hole is up big and down small, above stepped hole, be installed on interior guide ring 3, below stepped hole, be installed on air blowing ring 8, interior guide ring and air blowing ring and compression ring body are linked into one by the welding of junction, the intermediate throughholes of interior guide ring formation central through hole consistent with the intermediate throughholes of air blowing ring, the lower end of interior guide ring is that the indent conical surface arranged spaced of the evagination conical surface and air blowing ring upper end forms circular cone annular puff port 9, circular cone annular puff port is towards central through hole, the angle of the indent conical surface of the evagination conical surface of described interior guide ring lower end and air blowing ring upper end is identical, the conical surface monolateral with the angle central through hole axis be 45 °; Method spaced apart between the indent conical surface of the evagination conical surface of interior guide ring lower end and air blowing ring upper end is 0.45 millimeter.Described circular cone annular puff port is connected with the air inlet port 6 that is arranged on compression ring body below one side by air guide cushion chamber 7, described air guide cushion chamber is linked by air blowing ring periphery and compression ring body stepped hole and forms, the air guide cushion chamber is circular, in be provided with radial ringed gas block panel, the monolateral radial air gap that radial ringed gas block panel and compression ring body stepped hole form is 0.4～0.5 millimeter; Be provided with the annular air outlet 4 of opening upwards in the middle part of interior guide ring body periphery, described annular air outlet 4 by interior air guide cushion chamber 2 be arranged on compression ring body top one side in lead air inlet port 5 and be connected, described interior air guide cushion chamber by interior guide ring periphery with link with compression ring body stepped hole and form, interior air guide cushion chamber is circular, in be provided with axial annular gas block panel, axial annular gas block panel is installed in compression ring body stepped hole inner face, and the axial air-gap that convex surface forms in axial annular gas block panel and the interior guide ring periphery is 0.4～0.5 millimeter; The radial hole that interior air guide cushion chamber is offered by circumferential side wall is connected with annular air outlet, circumferentially uniform 30～38 on radial hole edge, approximately 1 millimeter in aperture; Be provided with large semiorbicular cooling water cavity 10 at the compression ring body around interior air guide cushion chamber, large semiorbicular cooling water cavity termination be connected into and out of the water hole, large semiorbicular cooling water cavity inboard is near interior air guide cushion chamber, so that the cooling of interior air guide cushion chamber is further strengthened.Interior guide ring, air blowing ring and compression ring body are made by high heat-resistance stainless steel.
Claims (8)
1. one kind is used for the process gas distributing ring that preform melts the contracting stove, it is characterized in that including discoidal compression ring body, the middle part of compression ring body offers stepped hole, above stepped hole, be installed on interior guide ring, below stepped hole, be installed on air blowing ring, the intermediate throughholes of interior guide ring formation central through hole consistent with the intermediate throughholes of air blowing ring, the lower end of interior guide ring is that the indent conical surface arranged spaced of the evagination conical surface and air blowing ring upper end forms circular cone annular puff port, circular cone annular puff port is towards central through hole, be provided with the annular air outlet of opening upwards in the middle part of interior guide ring body periphery, described circular cone annular puff port is connected with the air inlet port that is arranged on compression ring body below one side by the air guide cushion chamber, described annular air outlet by interior air guide cushion chamber be arranged on compression ring body top one side in lead air inlet port and be connected, be provided with cooling water cavity around interior air guide cushion chamber on the compression ring body.
2. by the process gas distributing ring for the molten contracting stove of preform claimed in claim 1, it is characterized in that described interior guide ring and air blowing ring and compression ring body are linked into one by the welding of junction.
3. by claim 1 or 2 described process gas distributing ring for the molten contracting stove of preform, it is characterized in that described cooling water cavity for semi-circular greatly, large semiorbicular cooling water cavity termination be connected into and out of the water hole; Large semiorbicular cooling water cavity inboard is near interior air guide cushion chamber.
4. by claim 1 or 2 described process gas distributing ring for the molten contracting stove of preform, it is characterized in that described air guide cushion chamber is linked by air blowing ring periphery and compression ring body stepped hole and forms, the air guide cushion chamber is circular, in be provided with annular gas block panel.
5. by the process gas distributing ring for the molten contracting stove of preform claimed in claim 4, the annular gas block panel of establishing in it is characterized in that is radial ringed gas block panel, and the monolateral radial air gap that radial ringed gas block panel and compression ring body stepped hole form is 0.4～0.5 millimeter.
6. by claim 1 or 2 described process gas distributing ring for the molten contracting stove of preform, it is characterized in that described interior air guide cushion chamber by interior guide ring periphery with link with compression ring body stepped hole and form, interior air guide cushion chamber is circular, in be provided with annular gas block panel, the radial hole that interior air guide cushion chamber is offered by circumferential side wall is connected with annular air outlet.
7. by the process gas distributing ring for the molten contracting stove of preform claimed in claim 6, it is characterized in that the annular gas block panel of establishing in described is axial annular gas block panel, axial annular gas block panel is installed in compression ring body stepped hole inner face, and the axial air-gap that convex surface forms in axial annular gas block panel and the interior guide ring periphery is 0.4～0.5 millimeter.
8. by claim 1 or 2 described process gas distributing ring for the molten contracting stove of preform, the evagination conical surface that it is characterized in that described interior guide ring lower end is identical with the angle of the indent conical surface of air blowing ring upper end, the conical surface monolateral with the angle central through hole axis be 30～60 °; Method spaced apart between the indent conical surface of the evagination conical surface of interior guide ring lower end and air blowing ring upper end is 0.4～0.6 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110083441 CN102225835B (en) | 2011-04-02 | 2011-04-02 | Process gas distributive ring for fiber prefabricated rod melting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110083441 CN102225835B (en) | 2011-04-02 | 2011-04-02 | Process gas distributive ring for fiber prefabricated rod melting furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102225835A CN102225835A (en) | 2011-10-26 |
| CN102225835B true CN102225835B (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110083441 Active CN102225835B (en) | 2011-04-02 | 2011-04-02 | Process gas distributive ring for fiber prefabricated rod melting furnace |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106430941B (en) * | 2016-09-09 | 2019-06-28 | 长飞光纤光缆股份有限公司 | A kind of HEC optical fiber production stove water cooling gas ring device |
| CN111018337B (en) * | 2019-10-24 | 2021-04-02 | 长飞光纤光缆股份有限公司 | HEC optical fiber collapsing furnace gas path system and gas sealing method |
| CN113683302A (en) * | 2021-08-31 | 2021-11-23 | 烽火通信科技股份有限公司 | Gas sealing device of optical fiber melting and shrinking resistance furnace and optical fiber melting and shrinking resistance furnace |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU785254A1 (en) * | 1978-11-27 | 1980-12-07 | Предприятие П/Я А-3826 | Device for cutting fibrous materials |
| DE4226343A1 (en) * | 1992-08-08 | 1994-02-10 | Rheydt Kabelwerk Ag | Optical fibre mfr. for glass optic fibres for coatings from liq. polymer supply - by retaining fibre in protective gas atmos. round fibre and coating(s) to harden or crosslink coating for protection from micro bending |
| CN1354731A (en) * | 1999-05-10 | 2002-06-19 | 皮雷利·卡维系统有限公司 | Method and induction furnace for drawing large diameter preforms to optical fibres |
-
2011
- 2011-04-02 CN CN 201110083441 patent/CN102225835B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU785254A1 (en) * | 1978-11-27 | 1980-12-07 | Предприятие П/Я А-3826 | Device for cutting fibrous materials |
| DE4226343A1 (en) * | 1992-08-08 | 1994-02-10 | Rheydt Kabelwerk Ag | Optical fibre mfr. for glass optic fibres for coatings from liq. polymer supply - by retaining fibre in protective gas atmos. round fibre and coating(s) to harden or crosslink coating for protection from micro bending |
| CN1354731A (en) * | 1999-05-10 | 2002-06-19 | 皮雷利·卡维系统有限公司 | Method and induction furnace for drawing large diameter preforms to optical fibres |
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| Publication number | Publication date |
|---|---|
| CN102225835A (en) | 2011-10-26 |
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| C06 | Publication | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: YANGTZE OPTICAL FIBRE AND CABLE CO., LTD Free format text: FORMER NAME: CHANGFEI FIBRE-OPTICAL + OPTICAL CABLE CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 430073 Hubei city of Wuhan province Wuchang two Guanshan Road No. four Patentee after: Yangtze Optical Fibre and Cable Co., Ltd Address before: 430073 Hubei city of Wuhan province Wuchang two Guanshan Road No. four Patentee before: Changfei Fibre-Optical & Optical Cable Co., Ltd. |