CN104478194B - The method of core bar is changed in the not blowing out of a kind of continuous induction melting furnace - Google Patents
The method of core bar is changed in the not blowing out of a kind of continuous induction melting furnace Download PDFInfo
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- CN104478194B CN104478194B CN201410832406.6A CN201410832406A CN104478194B CN 104478194 B CN104478194 B CN 104478194B CN 201410832406 A CN201410832406 A CN 201410832406A CN 104478194 B CN104478194 B CN 104478194B
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- core bar
- melting furnace
- induction melting
- continuous induction
- bar
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Furnace Details (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
Abstract
The present invention is the method that core bar is changed in the not blowing out of a kind of continuous induction melting furnace, comprises the following steps that and stops charging before changing core bar, and makes the molten quartz glass liquid in continuous induction melting furnace remain to the 1/6 1/2 of continuous induction melting furnace crucible capacity；Core bar is protected container upper surface the most over the ground near the bottom surface of continuous induction melting furnace; then from core bar, the core bar in continuous induction melting furnace is installed nut to disassemble and slowly move down; when core bar enters in core bar protection container; send into appropriate inert protective gas by conduit, then this core bar protection container is moved away from；By hoisting frame at continuous induction melting furnace top cover toward transferring, then is connected fixing for the bottom intending core bar top and the hoisting frame newly changed, then shifting on hoisting frame is drawn core bar to core bar installation site in continuous induction melting furnace；Core bar is separated with hoisting frame, then core bar is arranged on core bar and installs on nut, and hoisting frame is removed continuous induction melting furnace.The present invention is the most convenient, and the time used is short, but also can save the energy, reduces the production cost of enterprise.
Description
Technical field
A kind of method that the present invention relates to continuous induction melting furnace part replacement, the method for core bar is changed in the not blowing out of a kind of continuous induction melting furnace.
Background technology
Continuous smelting method produces quartz glass tube or the continuous induction melting furnace of quartz glass bar at present, because core bar, molding device break down, advise
Style is whole to be needed to change core bar and molding device beyond reasons such as set point, it is necessary to first blowing out, i.e. treats molten quartz glass in stove
The interchangeable core bar in liquid whole emptying rear and molding device, light a fire, heat up, feed production, when this process typically needs ten days
Between.There is following defect in the method so changing core bar: one is that the cycle from blowing out to reproduction is long, and impact produces, thus
It is delayed the time of delivery to user；Two is to cause energy waste (cycle needs power consumption 25920kw/h), increases the production of enterprise
Cost.
Summary of the invention
The technical problem to be solved in the present invention is for the deficiencies in the prior art, proposes the not blowing out of a kind of continuous induction melting furnace and changes core bar
Method, the method replacing core bar is the most convenient, and the time used is short, but also can save the energy, reduces the production of enterprise
Cost.
The technical problem to be solved in the present invention is achieved through the following technical solutions.The present invention be a kind of continuous induction melting furnace not
The method of core bar is changed in blowing out, and its feature is, comprises the following steps that
(1) stop charging before changing core bar, and make the molten quartz glass liquid in continuous induction melting furnace remain to continuous induction melting furnace crucible capacity
1/6-1/2；
(2) preparing a core bar protection container, the upper surface of this core bar protection container is provided with the opening passed through for core bar and molding device,
This core bar protection container diameter is more than core bar to be replaced, the sealed bottom of core bar protection container and bottom more than molding device and length
It is connected with the conduit for carrying protective gas, and the quartz sand protective layer of the inner bottom surface laying 3-8cm thickness at core bar protection container；
By this core bar protection container upper surface the most over the ground near the bottom surface of continuous induction melting furnace, then the core bar in continuous induction melting furnace is installed spiral shell from core bar
Cap disassembles and slowly moves down, and when core bar enters in core bar protection container, sends into appropriate inert protective gas by conduit,
Then this core bar protection container is moved away from；
(3) hoisting frame that fusing point is made higher than the materials with high melting point of 2000 DEG C at continuous induction melting furnace top cover toward transferring, until hoisting frame
Bottom surface distance continuous induction melting furnace furnace bottom is 50mm-70mm, then is connected fixing for the bottom intending core bar top and the hoisting frame newly changed, so
After will move traction core bar on hoisting frame to core bar installation site in continuous induction melting furnace；
(4) core bar is separated with hoisting frame, then core bar is arranged on core bar and installs on nut, and hoisting frame is removed continuous induction melting furnace,
I.e. complete to change the operation of core bar.
The present invention a kind of continuous induction melting furnace not blowing out is changed in the method and technology scheme of core bar, and further preferred technical scheme feature is:
Core bar protection container described in step (2) is the cylindrical chamber of hollow, and in the middle part of it, both sides on the upper side are provided with hanger；During operation,
It is connected with hanger by suspender, protects container to be lifted up core bar.
The present invention a kind of continuous induction melting furnace not blowing out is changed in the method and technology scheme of core bar, and further preferred technical scheme feature is:
Inert protective gas described in step (2) is nitrogen or helium.
The present invention a kind of continuous induction melting furnace not blowing out is changed in the method and technology scheme of core bar, and further preferred technical scheme feature is:
Materials with high melting point described in step (3) is molybdenum or tungsten.
The present invention a kind of continuous induction melting furnace not blowing out is changed in the method and technology scheme of core bar, and further preferred technical scheme feature is:
In described step (1), the molten quartz glass liquid in continuous induction melting furnace remains to the 1/3 of continuous induction melting furnace crucible capacity.
The present invention a kind of continuous induction melting furnace not blowing out is changed in the method and technology scheme of core bar, and further preferred technical scheme feature is:
Hoisting frame described in step (3) includes elevator bar and is located at for fixing the fixture of core bar bottom elevator bar, during operation,
Transferred past at continuous induction melting furnace top cover for fixture by elevator bar, until the bottom surface distance continuous induction melting furnace furnace bottom of fixture is 50mm-
70mm, then by intending, the core bar top screws newly changed is fixing with fixture to be connected, then shifting will draw core bar to core bar in elevator bar
Installation site in continuous induction melting furnace.
The present invention a kind of continuous induction melting furnace not blowing out is changed in the method and technology scheme of core bar, and further preferred technical scheme feature is:
Fixture described in step (3) is molybdenum matter nut, and described elevator bar is the tungsten bar through molybdenum matter screw cap hole, described molybdenum
Matter nut includes cylindrical lower part and taper top, and the endoporus of cylindrical lower part is provided with the screw thread for being connected with core bar top screws,
The bottom of described tungsten bar is with the connection hook with cylindrical lower part clasp joint；During operation, by tungsten bar by molybdenum matter nut from continuous induction melting furnace
Toward transferring at top cover, until the bottom surface distance continuous induction melting furnace furnace bottom of molybdenum matter nut is 50mm-70mm, then the core bar top that plan is newly changed
The internal thread hole of portion's screw rod and cylindrical lower part is fixing to be connected, then draws core bar to core bar peace in continuous induction melting furnace by moving on tungsten bar
Holding position.
Compared with prior art, the present invention has the following technical effect that:
1, the present invention applies and mutually uninterruptedly links principle, makes the core bar that need to replace and intends the core bar slitless connection changed, during replacing not
Needing to drain quartz glass liquid in continuous induction melting furnace, replacing construction is short, and furnace heat does not disperses, and (during displacement, in-furnace temperature is still at 800 DEG C
Left and right), thus shorten the spacing being warming up to produce product again, reach quickly to produce, save the purpose of the energy；
2, by quartz sand protective layer and inert protective gas during dismounting, core bar and the molding device oxidation disassembled is prevented,
Old can be saved so that standby after Wei Xiu；
3, the tungsten bar by molybdenum matter nut with through molybdenum matter screw cap hole promotes core bar, can simplify operating procedure, reduces human input fall
Low cost；
4, the molten quartz glass liquid in continuous induction melting furnace is remained to the 1/3 of continuous induction melting furnace crucible capacity, the most both can be by continuous induction melting furnace
Temperature is maintained in the range of operation, is easy to again charging intensification production again after changing core bar.
Detailed description of the invention
The concrete technical scheme of the present invention described further below, in order to those skilled in the art is further understood that this
Invention, and do not constitute the restriction of its right.
Embodiment 1, the not blowing out of a kind of continuous induction melting furnace is changed the method for core bar, is comprised the following steps that
(1) stop charging before changing core bar, and make the molten quartz glass liquid in continuous induction melting furnace remain to continuous induction melting furnace crucible capacity
1/6-1/2；
(2) preparing a core bar protection container, length is provided with for core bar at about 1500mm, the upper surface of this core bar protection container
The opening passed through with molding device, this core bar protection container diameter is protected more than core bar to be replaced, core bar more than molding device and length
The sealed bottom of container and bottom are connected with the conduit for carrying protective gas, and at the inner bottom surface laying 3-of core bar protection container
The quartz sand protective layer of 8cm thickness, thickness can choose 3cm, 5cm or 8cm, it is also possible in the range of being chosen at 3-8cm
Other Any Digits；By this core bar protection container upper surface the most over the ground near the bottom surface of continuous induction melting furnace, then by the core in continuous induction melting furnace
Bar is installed nut from core bar and is disassembled and slowly move down, and when core bar enters in core bar protection container, is sent into appropriate by conduit
Inert protective gas, then by this core bar protection container move away from；
(3) hoisting frame that fusing point is made higher than the materials with high melting point of 2000 DEG C at continuous induction melting furnace top cover toward transferring, until hoisting frame
Bottom surface distance continuous induction melting furnace furnace bottom is 50mm-70mm, then is connected fixing for the bottom intending core bar top and the hoisting frame newly changed, so
After will move traction core bar on hoisting frame to core bar installation site in continuous induction melting furnace；
(4) core bar is separated with hoisting frame, then core bar is arranged on core bar and installs on nut, and hoisting frame is removed continuous induction melting furnace,
I.e. complete to change the operation of core bar.
Embodiment 2, the core bar protection container described in step (2) is the cylindrical chamber of hollow, in the middle part of it on the upper side two
While be provided with hanger, the length of hanger about 60mm；During operation, it is connected with hanger by suspender, protects container upwards to carry core bar
Rise.
Embodiment 3, the inert protective gas described in step (2) is nitrogen or helium.
Embodiment 4, the materials with high melting point described in step (3) is molybdenum or tungsten.
Embodiment 5, the materials with high melting point described in step (3) is molybdenum or tungsten
Embodiment 6, the hoisting frame described in step (3) includes elevator bar and is located at bottom elevator bar for fixing consolidating of core bar
Locking member, during operation, is transferred past at continuous induction melting furnace top cover for fixture by elevator bar, until the bottom surface distance continuous induction melting furnace of fixture
Furnace bottom is 50mm-70mm, then core bar top screws plan newly changed is fixed with fixture and is connected, and then leads moving in elevator bar
Draw core bar to core bar installation site in continuous induction melting furnace.
Embodiment 7, the fixture described in step (3) is molybdenum matter nut, and described elevator bar is through molybdenum matter spiral shell
The tungsten bar of cap aperture, described molybdenum matter nut includes cylindrical lower part and taper top, the endoporus of cylindrical lower part be provided with for core
The screw thread that bar top screws connects, the bottom of described tungsten bar is with the connection hook with cylindrical lower part clasp joint；During operation, pass through
Tungsten bar is transferred past at continuous induction melting furnace top cover for molybdenum matter nut, until the bottom surface distance continuous induction melting furnace furnace bottom of molybdenum matter nut is 50mm-
70mm, then be connected fixing for the internal thread hole intending core bar top screws and the cylindrical lower part newly changed, then lead moving on tungsten bar
Draw core bar to core bar installation site in continuous induction melting furnace.
The bottom surface distance continuous induction melting furnace furnace bottom of above-mentioned hoisting frame is preferably as 60mm, it is also possible to choose 50mm or 70mm.
The present invention applies and mutually uninterruptedly links principle, makes the core bar that need to replace and intends the core bar slitless connection changed, changing
Time need not drain quartz glass liquid in continuous induction melting furnace, replacing construction is short, and furnace heat does not disperses, and (during displacement, in-furnace temperature still exists
About 800 DEG C), thus shorten the spacing being warming up to produce product again, reach quickly to produce, save the purpose of the energy.
Claims (7)
1. the method that core bar is changed in a continuous induction melting furnace not blowing out, it is characterised in that comprise the following steps that
(1) stop charging before changing core bar, and make the molten quartz glass liquid in continuous induction melting furnace remain to continuous induction melting furnace crucible capacity
1/6-1/2；
(2) preparing a core bar protection container, the upper surface of this core bar protection container is provided with the opening passed through for core bar and molding device,
This core bar protection container diameter is more than core bar to be replaced, the sealed bottom of core bar protection container and bottom more than molding device and length
It is connected with the conduit for carrying protective gas, and the quartz sand protective layer of the inner bottom surface laying 3-8cm thickness at core bar protection container；
By this core bar protection container upper surface the most over the ground near the bottom surface of continuous induction melting furnace, then the core bar in continuous induction melting furnace is installed spiral shell from core bar
Cap disassembles and slowly moves down, and when core bar enters in core bar protection container, sends into appropriate inert protective gas by conduit,
Then this core bar protection container is moved away from；
(3) hoisting frame that fusing point is made higher than the materials with high melting point of 2000 DEG C at continuous induction melting furnace top cover toward transferring, until hoisting frame
Bottom surface distance continuous induction melting furnace furnace bottom is 50mm-70mm, then is connected fixing for the bottom intending core bar top and the hoisting frame newly changed, so
After will move traction core bar on hoisting frame to core bar installation site in continuous induction melting furnace；
(4) core bar is separated with hoisting frame, then core bar is arranged on core bar and installs on nut, and hoisting frame is removed continuous induction melting furnace,
I.e. complete to change the operation of core bar.
The method of core bar is changed in continuous induction melting furnace the most according to claim 1 not blowing out, it is characterised in that: the core described in step (2)
Bar protection container is the cylindrical chamber of hollow, and in the middle part of it, both sides on the upper side are provided with hanger；During operation, it is connected with hanger by suspender,
Container is protected to be lifted up core bar.
The method of core bar is changed in continuous induction melting furnace the most according to claim 1 not blowing out, it is characterised in that: lazy described in step (2)
Property protective gas is nitrogen or helium.
The method of core bar is changed in continuous induction melting furnace the most according to claim 1 not blowing out, it is characterised in that: the height described in step (3)
Melting material is molybdenum or tungsten.
The method of core bar is changed in continuous induction melting furnace the most according to claim 1 not blowing out, it is characterised in that: described step (1) connects
Molten quartz glass liquid in smelting furnace remains to the 1/3 of continuous induction melting furnace crucible capacity.
6. the method changing core bar according to the continuous induction melting furnace not blowing out described in any one of claim 1-5, it is characterised in that: in step (3)
Described hoisting frame includes elevator bar and is located at for fixing the fixture of core bar bottom elevator bar, during operation, and will by elevator bar
Fixture toward transferring, until the bottom surface distance continuous induction melting furnace furnace bottom of fixture is 50mm-70mm, then will be intended at continuous induction melting furnace top cover
The core bar top screws newly changed and fixture are fixing to be connected, then draws core bar to core bar peace in continuous induction melting furnace by moving in elevator bar
Holding position.
The method of core bar is changed in continuous induction melting furnace the most according to claim 6 not blowing out, it is characterised in that: consolidating described in step (3)
Locking member is molybdenum matter nut, and described elevator bar is the tungsten bar through molybdenum matter screw cap hole, and described molybdenum matter nut includes cylindrical lower part
With taper top, the endoporus of cylindrical lower part is provided with the screw thread for being connected, the bottom belt of described tungsten bar with core bar top screws
There is the connection hook with cylindrical lower part clasp joint；During operation, transferred past at continuous induction melting furnace top cover for molybdenum matter nut by tungsten bar, until
The bottom surface distance continuous induction melting furnace furnace bottom of molybdenum matter nut is 50mm-70mm, then will intend the core bar top screws and the cylindrical lower part that newly change
Internal thread hole fixing connect, then will move traction core bar on tungsten bar to core bar installation site in continuous induction melting furnace.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410832406.6A CN104478194B (en) | 2014-12-29 | 2014-12-29 | The method of core bar is changed in the not blowing out of a kind of continuous induction melting furnace |
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| CN201410832406.6A CN104478194B (en) | 2014-12-29 | 2014-12-29 | The method of core bar is changed in the not blowing out of a kind of continuous induction melting furnace |
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| CN104478194B true CN104478194B (en) | 2016-10-19 |
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| CN104803579A (en) * | 2015-05-06 | 2015-07-29 | 江苏圣达石英制品有限公司 | Device and technological method for producing light-guiding crystal rod by adopting single-furnace sealing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07291642A (en) * | 1994-04-15 | 1995-11-07 | Sony Corp | Apparatus for producing rodlike glass and its production |
| CN1718552A (en) * | 2004-07-07 | 2006-01-11 | 纪高仁 | Continuous melting furnace for producing conjoined quartz pipes and rods |
| CN2806454Y (en) * | 2005-07-26 | 2006-08-16 | 刘长银 | Quartz smelting furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6799440B2 (en) * | 2002-02-22 | 2004-10-05 | General Electric Company | Optical fiber deposition tube fused in deuterium atmosphere for attenuation improvement |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07291642A (en) * | 1994-04-15 | 1995-11-07 | Sony Corp | Apparatus for producing rodlike glass and its production |
| CN1718552A (en) * | 2004-07-07 | 2006-01-11 | 纪高仁 | Continuous melting furnace for producing conjoined quartz pipes and rods |
| CN2806454Y (en) * | 2005-07-26 | 2006-08-16 | 刘长银 | Quartz smelting furnace |
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Effective date of registration: 20190328 Address after: 101100 No. 6, Sanjie, Luxing, Industrial Development Zone, Longxian Town, Tongzhou District, Beijing Patentee after: BEIJING KAI DE QUARTZ CORPORATION Address before: 222300 No. 1 Jingchen Road, Chengdong Industrial Park, Donghai County, Lianyungang City, Jiangsu Province Patentee before: Donghai County Baosheng Quartz Product Co., Ltd. |