CN106542722A - The method for cleaning of shaping body of heater material - Google Patents
The method for cleaning of shaping body of heater material Download PDFInfo
- Publication number
- CN106542722A CN106542722A CN201610931587.7A CN201610931587A CN106542722A CN 106542722 A CN106542722 A CN 106542722A CN 201610931587 A CN201610931587 A CN 201610931587A CN 106542722 A CN106542722 A CN 106542722A
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- CN
- China
- Prior art keywords
- furnace
- shaping
- heater
- cleaning
- temperature
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- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
- C03B17/06—Forming glass sheets
- C03B17/064—Forming glass sheets by the overflow downdraw fusion process; Isopipes therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
It relates to a kind of method for cleaning of shaping body of heater material, the shaping body of heater includes being sequentially connected up and down Muffle furnace, shaping furnace and the annealing furnace for connecing, overflow brick is provided with the Muffle furnace, glass metal in the overflow brick is entered in the shaping furnace after the bottom of the overflow brick is converged to form glass substrate, to be made annealing treatment in the presence of haulage gear in the annealing furnace, the method for cleaning includes the glass substrate：Stop glass metal supply；Lift the temperature in the Muffle furnace；The temperature in the shaping furnace is reduced with curing glass liquid；The material in the shaping furnace is cleared up using dredging tool.By above-mentioned technical proposal, Jing after Muffle stove heat, temperature field around overflow brick is stabilized without damage, by shaping furnace is lowered the temperature, realize the solidification of sticky glass cream, the glass blocks in body of heater is cleared up using dredging tool, solve the problems, such as feed blocking in molding procedure, it is ensured that the normal operation of production line.
Description
Technical field
It relates to glass substrate forming field, in particular it relates to a kind of method for cleaning of shaping body of heater material.
Background technology
In the production process of glass substrate, dispensing Jing kiln it is heats liquefied and platinum channel operation clarification after, into
In type body of heater, overflow down draw makes product.Production line periodically need to carry out large repairs, and change shaping body of heater and platinum channel etc., in order to open up
The upgrading of wide process bands and product, needs to carry out frequently molding procedure and platinum channel operation during overhaul is closed on
Adjustment Tests.And frequently adjusting to cause platinum channel operation fusing exception or molding procedure feed blocking, glass cream can be
Progressively solidify under lower temperature in body of heater, cause test to be obstructed, and as the temperature of glass blocks is big compared with high, hardness, clear up difficulty
Greatly, glass substrate production line is made normally to run.
The content of the invention
The purpose of the disclosure is to provide a kind of method for cleaning of shaping body of heater material, during the method can solve the problem that molding procedure
The problem of feed blocking, effectively removes the glass blocks in body of heater, it is ensured that the normal operation of production line.
To achieve these goals, the disclosure provides a kind of method for cleaning of shaping body of heater material, the shaping body of heater bag
Include and be sequentially connected Muffle furnace, shaping furnace and the annealing furnace for connecing up and down, in the Muffle furnace, be provided with overflow brick, the overflow brick
Interior glass metal is entered in the shaping furnace after the bottom of the overflow brick is converged to form glass substrate, the glass substrate
In the presence of haulage gear in the annealing furnace, pull is molded and is made annealing treatment, the connection of the shaping furnace and annealing furnace
Place is provided with dividing plate, is formed with for allowing gap that the glass substrate passes through and maintaining each section of body of heater interior temperature on the dividing plate
Stablizing for field is spent, the method for cleaning includes：Stop glass metal supply；Lift the temperature in the Muffle furnace；Reduce described fixed
Temperature in type stove is with curing glass liquid；The material in the shaping furnace is cleared up using dredging tool.
Alternatively, it is described lifted in the Muffle furnace temperature the step of include, increase the heater of the Muffle furnace
Power so that temperature is maintained at 1100 DEG C -1200 DEG C.
Alternatively, the temperature reduced in the shaping furnace with curing glass liquid the step of include, reduce the sizing
The heater power of stove is so that temperature is maintained at 400 DEG C -500 DEG C.
Alternatively, glass metal solidify to form glass cream in the shaping furnace, and the shaping furnace is from top to bottom divided into fixed
2nd area of mono- areas of Xing Lu and shaping furnace, is included the step of the temperature in the reduction shaping furnace is with curing glass liquid, when described
When glass cream in sizing furnace body is less than the 1/2 of body of heater volume, the power of two area's heater of shaping furnace is reduced, and is kept
The heater in one area of the shaping furnace is opened；When the glass cream in the sizing furnace body more than body of heater volume 1/2, close
The heater in 2nd area of the shaping furnace, and keep the heater in one area of the shaping furnace to open.
Alternatively, the order of heater in 2nd area of shaping furnace is closed for from bottom to top.
Alternatively, it is the step of the temperature reduced in the shaping furnace is with curing glass liquid and described using dredging work
Between the step of tool is cleared up to the material in the shaping furnace, the method for cleaning also includes removing the haulage gear,
To expose the installing port of the haulage gear；The step of employing dredging tool is cleared up to the material in the shaping furnace
Including carrying out the cleaning of material by the installing port of the haulage gear.
Alternatively, the step of employing dredging tool is cleared up to the material in the shaping furnace includes, by institute
The observation panel for stating shaping furnace carries out the cleaning of material.
Alternatively, the temperature reduced in the shaping furnace with curing glass liquid the step of include, close the annealing
The heater of stove.
Alternatively, it is described lifted in the Muffle furnace temperature the step of and the reduction shaping furnace in temperature with
The step of curing glass liquid, is carried out simultaneously.
Alternatively, it is in the step of employing dredging tool is cleared up to the material in the shaping furnace, described to dredge
Instrument is led for pneumatic pick.
By above-mentioned technical proposal, Jing after Muffle stove heat, the temperature field around overflow brick is stabilized makes overflow brick not
It is damaged, by shaping furnace is lowered the temperature, realizes the solidification of sticky glass cream, the glass blocks in body of heater is carried out using dredging tool
Cleaning, solves the problems, such as feed blocking in molding procedure, it is ensured that the normal operation of production line.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Description of the drawings
Accompanying drawing is, for providing further understanding of the disclosure, and to constitute the part of specification, with following tool
Body embodiment is used for explaining the disclosure together, but does not constitute restriction of this disclosure.In the accompanying drawings：
Fig. 1 is the flow chart of one illustrative embodiments of method for cleaning of the shaping body of heater material that the disclosure is provided；
Fig. 2 is the flow chart of the method for cleaning another exemplary embodiment of the shaping body of heater material that the disclosure is provided；
Fig. 3 is the structural representation of the shaping body of heater that the disclosure is provided.
Description of reference numerals
1 overflow brick, 2 Muffle furnace
3 shaping furnace, 31 observation panel
4 dividing plate, 5 annealing furnace
6 glass substrate of installing port of 51 haulage gears
Specific embodiment
It is described in detail below in conjunction with accompanying drawing specific embodiment of this disclosure.It should be appreciated that this place is retouched
The specific embodiment stated is merely to illustrate and explains the disclosure, is not limited to the disclosure.
In the disclosure, in the case where contrary explanation is not made, the noun of locality for using such as " upper and lower " is typically referred to corresponding
Define on the basis of the drawing of accompanying drawing, " inside and outside " refers to the inner and outer of corresponding component profile.
In the molding procedure of glass substrate, as shown in figure 3, shaping body of heater is constructed using segmented, including from top to bottom
Muffle furnace 2, shaping furnace 3 and the annealing furnace 5 for connecing is sequentially connected, in Muffle furnace 2, overflow brick 1 is provided with, Muffle furnace 2 is mainly used in
The temperature field around overflow brick 1 is maintained, the stable performance of overflow brick 1 is kept, and is reached the glass metal material of platinum channel supply
To suitable overflow down draw temperature, the translateral smooth side of the glass metal stream in 1 upper grooves of overflow brick, in overflow brick 1
Bottom is entered in shaping furnace 3 to form glass substrate 6, the shape in the presence of haulage gear in annealing furnace 5 of glass substrate 6 after converging
Into suitable thickness of glass substrate, and made annealing treatment in annealing furnace 5, should to eliminate the remnants in formed glass substrate 6
Power, stable dimensions reduce deformation and crackle tendency, obtain the glass substrate 6 for conforming to quality requirements.
Based on above-mentioned molding procedure, when platinum channel operation melts exception or molding procedure blocking occurs, such as Fig. 1 institutes
Show, the disclosure provides a kind of method for cleaning of shaping body of heater material, the method for cleaning includes：S101 steps, stop glass metal and supply
Should, it is to avoid in shaping furnace 3, constantly have glass metal to pour in；S102 steps, lift the temperature in Muffle furnace 2, compensate 2 body of heater of Muffle furnace
Interior temperature field；S103 steps, reduce the temperature in shaping furnace 3 with curing glass liquid, are convenient to clean；Wherein, in S102 steps
The temperature for lifting Muffle furnace 2 can be also avoided when material cleaning is carried out, and temperature is scattered and disappeared excessively, and overflow brick 1 is impacted.
S105 steps, are cleared up to the material in shaping furnace 3 using dredging tool.By above-mentioned technical proposal, Jing Muffle stove heats
Afterwards, glass metal does not end up at overflow brick surface, and ensures that overflow brick is not scattered and disappeared by sizing furnace temperature and affected, by by shaping furnace
Cooling, is realized the glass cream solidification of blocking, the glass blocks in body of heater is cleared up using dredging tool, solve molding procedure
The problem of middle feed blocking, it is ensured that the normal operation of production line.
, wherein it is desired to the junction of explanation, shaping furnace 3 and annealing furnace 5 is provided with dividing plate 4, on dividing plate 4, use is formed with
In the gap that passes through of glass substrate 6 is allowed, in normal production, dividing plate 4 is, in order to prevent heat to scatter and disappear, and to prevent shaping furnace 3
It is chaotic with the temperature field of annealing furnace 5, it is ensured that each section of stove body temperature is stable in certain scope, but works as platinum channel operation
When blocking occur in fusing exception or molding procedure, dividing plate 4 is produced and is unfavorable for negative interaction of the material by body of heater, shows as glass metal
Occur wave in the short time gush it is lower after, form the higher glass cream of viscosity and be deposited on dividing plate 4, about occupy shaping furnace 3
The space of half, as breaking tool can not be used to clear up sticky material, dividing plate 4 causes larger resistance by body of heater to material
Hinder, cause material to be not easily cleaned.And can be very good to solve the blocking material that causes of dividing plate 4 not using embodiment of the present disclosure
The problem of easy to clean.
Specifically, in embodiment of the present disclosure, S102 lifted Muffle furnace 2 in temperature the step of include, increase horse
The not power of the heater of stove 2 so that temperature is maintained at 1100 DEG C -1200 DEG C, makes temperature in body of heater higher than producing at ordinary times
Temperature, for heating the glass metal on 1 surface of overflow brick, and ensures the normal use of overflow brick 1.S103 is reduced in shaping furnace 3
Temperature with curing glass liquid the step of include, reduce shaping furnace 3 heater power so that temperature is maintained at 400 DEG C -500
DEG C, it should be noted that in molding procedure, glass metal enters solidify afterwards in shaping furnace 3 and forms glass cream, and shaping furnace 3 is by upper
2nd area of one area of shaping furnace and shaping furnace can be divided under, and multiple heaters are distributed with, the glass cream in 3 body of heater of shaping furnace
Less than body of heater volume 1/2 when, the power of the heater in 2nd area of shaping furnace can be reduced, and keep the heater in one area of shaping furnace
Open, to reduce the further curing glass cream of temperature, and must assure that the heater that can not close one area of shaping furnace, in case fastening
Heat in type stove 3 scatters and disappears excessively, affects the characteristic of Muffle furnace overflow brick 1；When the glass cream in 3 body of heater of shaping furnace is more than body of heater
Volume 1/2 when, now, close the heater in shaping furnace 2nd area, to accelerate glass cream cooling and then be convenient to clean, and still need to protect
Hold one area's heater of shaping furnace to open.Distribute heat and determine as glass cream itself also gives out higher heat, i.e. glass cream
The summation of 3 heater of type stove heating heat need to maintain uniform temperature, wherein, it is certainly that 2nd area of shaping furnace closes the order of heater
On down.
Further, in embodiment of the present disclosure, it is the speed for accelerating glass metal solidification, and to ensure shaping furnace 3
Interior glass blocks is further hardened at low temperature, is easy to the broken of glass blocks, easy cleaning to go out body of heater, and S103 reduces shaping furnace 3
The step of interior temperature is with curing glass liquid can also include, close the heater of annealing furnace 5.In addition, in order to ensure glass metal
The step of shaping furnace 3 is interior to be solidified immediately, and S102 lifts the temperature in Muffle furnace 2 and S103 drops are entered by 1 surface overflow of overflow brick
Temperature in low shaping furnace 3 is can carry out the step of curing glass liquid simultaneously.
Wherein, haulage gear is arranged in annealing furnace 5, plays a part of lower pulling shaping to glass substrate 6, and haulage gear exists
Larger space is occupied in annealing furnace 5.For the ease of the glass blocks of solidification is removed by body of heater, as shown in Fig. 2 as this
Disclosed another exemplary embodiment, S103 reduce shaping furnace 3 in temperature with curing glass liquid the step of and S105 adopt
Between the step of being cleared up to the material in shaping furnace 3 with dredging tool, method for cleaning can also remove traction including S104
The step of mechanism, to expose the installing port 51 of haulage gear, i.e. S105 is carried out to the material in shaping furnace 3 using dredging tool
The step of cleaning includes, carries out the cleaning of material by the installing port 51 of haulage gear, from installing port 51 to the gap side of dividing plate 4
To dredging to the glass blocks for solidifying, make glass blocks be dropped by the gap of dividing plate 4, complete the scale removal process of material in stove.Separately
Outward, expose the installing port 51 of haulage gear, accelerate gas exchanges in stove and extraneous, the cooling and sizing to annealing furnace 5
The solidification of glass metal in stove 3 can also play a role.
In addition, in embodiment of the present disclosure, it is formed with shaping furnace 3 for observing the observation panel 31 of situation in stove,
For convenience of the cleaning of material in stove, can also wrap the step of S105 is cleared up to the material in shaping furnace 3 using dredging tool
Include, the cleaning of material is carried out by the observation panel 31 of shaping furnace 3, segment glass block can also be taken out by observation panel 31, be accelerated
The cleaning of blocking material.
Wherein, in embodiment of the present disclosure, as the hardness of glass blocks is very high, dredging tool is adopted to fixed in S105
In the step of material in type stove 3 is cleared up, the instrument of dredging can be pneumatic pick, the hand-held pneumatic pick with long drill rod of operating personnel
The material in body of heater is crushed by the installing port 51 of observation panel 31 and haulage gear, by point and face, glass blocks is integrally broken
Scattered bulk is broken into, and pneumatic pick provides power by compressed gas, crushing effect is preferable, and safety and stability.In other enforcements
In mode, can also be dredged using instruments such as iron rod, steel pipe, rock drill, electric drills.
The preferred embodiment of the disclosure is described in detail above in association with accompanying drawing, but, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, various letters can be carried out with technical scheme of this disclosure
Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the disclosure to it is various can
The combination of energy is no longer separately illustrated.
Additionally, can also be combined between a variety of embodiments of the disclosure, as long as which is without prejudice to this
Disclosed thought, which should equally be considered as disclosure disclosure of that.
Claims (10)
1. a kind of method for cleaning of shaping body of heater material, the shaping body of heater include being sequentially connected up and down the Muffle furnace (2), fixed for connecing
Overflow brick (1) is provided with type stove (3) and annealing furnace (5), the Muffle furnace (2), the glass metal in the overflow brick (1) exists
The bottom of the overflow brick (1) enters in the shaping furnace (3) to form glass substrate (6), the glass substrate (6) after converging
In the presence of the interior haulage gear of the annealing furnace (5), pull is molded and is made annealing treatment, the shaping furnace (3) and annealing furnace
(5) junction is provided with dividing plate (4), and the gap for allowing the glass substrate (6) to pass through is formed with the dividing plate (4)
And maintaining the temperature field of each section of body of heater, it is characterised in that the method for cleaning includes：
Stop glass metal supply；
Lift the temperature in the Muffle furnace (2)；
The temperature in the shaping furnace (3) is reduced with curing glass liquid；
The material in the shaping furnace (3) is cleared up using dredging tool.
2. the method for cleaning of shaping body of heater material according to claim 1, it is characterised in that the lifting Muffle furnace
(2) the step of temperature in includes, increases the power of the heater of the Muffle furnace (2) so that temperature be maintained at 1100 DEG C-
1200℃。
3. the method for cleaning of shaping body of heater material according to claim 1, it is characterised in that the reduction shaping furnace
(3) the step of temperature in is with curing glass liquid includes that the heater power of the reduction shaping furnace (3) is so that temperature keeps
At 400 DEG C -500 DEG C.
4. it is according to claim 3 shaping body of heater material method for cleaning, it is characterised in that glass metal is in the shaping furnace
(3) glass cream is solidify to form in, the shaping furnace (3) is from top to bottom divided into 2nd area of one area of shaping furnace and shaping furnace, the drop
The step of temperature in the low shaping furnace (3) is with curing glass liquid includes, when the glass cream in the shaping furnace (3) body of heater it is little
The power of two area's heater of shaping furnace when the 1/2 of body of heater volume, is reduced, and keeps the heater in one area of the shaping furnace
Open；When the glass cream in the shaping furnace (3) body of heater more than body of heater volume 1/2, adding for 2nd area of shaping furnace is closed
Hot device, and keep the heater in one area of the shaping furnace to open.
5. the method for cleaning of shaping body of heater material according to claim 4, it is characterised in that close 2nd area of shaping furnace
Heater order for from bottom to top.
6. the method for cleaning of shaping body of heater material according to claim 1, it is characterised in that reduce the sizing described
Temperature in stove (3) is carrying out to the material in the shaping furnace (3) with the employing dredging tool the step of curing glass liquid
Between the step of cleaning, the method for cleaning also includes,
The haulage gear is removed, to expose the installing port (51) of the haulage gear；
The step of employing dredging tool is cleared up to the material in the shaping furnace (3) includes, by the hauling machine
The installing port (51) of structure carries out the cleaning of material.
7. according to claim 1 or 6 shaping body of heater material method for cleaning, it is characterised in that it is described using dredging work
The step of tool is cleared up to the material in the shaping furnace (3) is included, is carried out by the observation panel (31) of the shaping furnace (3)
The cleaning of material.
8. according to any one in claim 1-3 shaping body of heater material method for cleaning, it is characterised in that the drop
The step of temperature in the low shaping furnace (3) is with curing glass liquid includes, closes the heater of the annealing furnace (5).
9. according to any one in claim 1-6 shaping body of heater material method for cleaning, it is characterised in that it is described to carry
Temperature in the step of rising the temperature in the Muffle furnace (2) and the reduction shaping furnace (3) is with the step of curing glass liquid
It is rapid to carry out simultaneously.
10. it is according to claim 1 shaping body of heater material method for cleaning, it is characterised in that it is described using dredging work
It is in the step of tool is cleared up to the material in the shaping furnace, described to dredge instrument for pneumatic pick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610931587.7A CN106542722B (en) | 2016-10-24 | 2016-10-24 | Form the method for cleaning of furnace body material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610931587.7A CN106542722B (en) | 2016-10-24 | 2016-10-24 | Form the method for cleaning of furnace body material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106542722A true CN106542722A (en) | 2017-03-29 |
| CN106542722B CN106542722B (en) | 2019-03-12 |
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ID=58392212
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610931587.7A Active CN106542722B (en) | 2016-10-24 | 2016-10-24 | Form the method for cleaning of furnace body material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115196860A (en) * | 2022-07-18 | 2022-10-18 | 河北光兴半导体技术有限公司 | Broken plate processing method and device in glass production |
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| CN202430110U (en) * | 2011-12-29 | 2012-09-12 | 彩虹集团公司 | Device for controlling forming temperature field of plate glass |
| CN202785966U (en) * | 2012-07-09 | 2013-03-13 | 彩虹显示器件股份有限公司 | Device for controlling sheet glass mold temperature field |
| JP2013212943A (en) * | 2012-03-30 | 2013-10-17 | Avanstrate Inc | Method for manufacturing glass substrate for flat panel display |
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2016
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202430110U (en) * | 2011-12-29 | 2012-09-12 | 彩虹集团公司 | Device for controlling forming temperature field of plate glass |
| JP2013212943A (en) * | 2012-03-30 | 2013-10-17 | Avanstrate Inc | Method for manufacturing glass substrate for flat panel display |
| CN202785966U (en) * | 2012-07-09 | 2013-03-13 | 彩虹显示器件股份有限公司 | Device for controlling sheet glass mold temperature field |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115196860A (en) * | 2022-07-18 | 2022-10-18 | 河北光兴半导体技术有限公司 | Broken plate processing method and device in glass production |
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| CN106542722B (en) | 2019-03-12 |
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Denomination of invention: Method for cleaning materials in moulding furnace body Effective date of registration: 20200713 Granted publication date: 20190312 Pledgee: Beijing State Owned Financial Leasing Co., Ltd Pledgor: WUHU TUNGHSU PHOTOELECTRIC SCIENCE AND TECHNOLOGY Co.,Ltd. Registration number: Y2020990000738 |