CN106396347A - Novel process for float plate glass forming - Google Patents
Novel process for float plate glass forming Download PDFInfo
- Publication number
- CN106396347A CN106396347A CN201611073416.1A CN201611073416A CN106396347A CN 106396347 A CN106396347 A CN 106396347A CN 201611073416 A CN201611073416 A CN 201611073416A CN 106396347 A CN106396347 A CN 106396347A
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- CN
- China
- Prior art keywords
- liquid
- glass
- band
- mentioned
- liquid glass
- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B18/00—Shaping glass in contact with the surface of a liquid
- C03B18/02—Forming sheets
- C03B18/04—Changing or regulating the dimensions of the molten glass ribbon
- C03B18/06—Changing or regulating the dimensions of the molten glass ribbon using mechanical means, e.g. restrictor bars, edge rollers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Surface Treatment Of Glass (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The invention relates to a novel process for float plate glass forming. The novel process is characterized in that in a float glass forming liquid metal tank body, a liquid glass belt floating in liquid metal is thinned through being lifted upwards and/or rolled on the whole width of the liquid glass belt in a certain position or some positions where the liquid glass belt is longitudinally drawn and reaches a required thickness; in order to prevent the liquid metal from oxidation, except for atmosphere protection, the liquid glass belt is paved and shielded on the upper surface of the liquid metal to be isolated from external gas.
Description
Technical field
Formed from plate glass technique, particularly float glass process moulding process.
Background technology
Float glass process molding is the forming method of current plate glass main flow.Float glass has the especially smooth light of glass surface
Sliding, thickness is highly uniform, the feature of optical distortion very little and suitable big plate width, high speed production.But all the time, float glass
There are some insoluble problems, such as tin liquor oxidation, tin defects, high-viscosity glass and ultra-thin glass are difficult to molding etc..
Content of the invention
For solving the above problems, the invention provides a kind of plate glass float glass process forming process, it is characterized in that：In float glass process
In the liquid metal cell body of glass molding, for the liquid glass band floating in liquid metal, its longitudinally pull certain or
Some positions, pass through to be drawn and/or it is rolled on its whole width（Traditional method is to be drawn with edge machine level
Draw）Make it thinning and reach required thickness.
Above-mentioned liquid glass band is drawn upper method it is：A certain section or a few sections of liquid glass bands are lifted from below, makes
It is temporarily disengaged from and exceeds metal bath surface, and draws liquid glass band thin in the process.
Above-mentioned a certain section or a few sections of liquid glass bands from the method lifted below are：Lower section in liquid glass band
Liquid glass band is held up by jet upwards with gas.
Above-mentioned a certain section or a few sections of liquid glass bands from the method lifted below are：Will with static or rotary carrier roller
Liquid glass band holds up and so that it is temporarily disengaged from and exceed metal bath surface, and draws liquid glass band thin in the process.
Above-mentioned make it thinning the rolling of liquid glass band on its whole width and reach the method for required thickness be：With
Roller is rolled to liquid glass band.
Above-mentioned make it thinning the rolling of liquid glass band on its whole width and reach the method for required thickness be：Will
Liquid glass band is placed on supporting plate, with concora crush roller, it is rolled.
In order that preventing liquid metal from aoxidizing, in addition to atmosphere protection, liquid glass band is paved with masking in above-mentioned liquid
Metallic upper surface is so as to isolate with ambient atmos.This is cannot for traditional horizontal withdrawal moulding process with edge machine
Realize.
In the liquid metal groove of the lower section of the above-mentioned a certain section or a few sections liquid glass band lifting up, setting liquid gold
Belonging to demarcation strip, liquid metal groove being divided into several sections of independent cell bodies, to control the temperature of each independent cell body respectively.
The metal of unlike material and fusing point can be placed in above-mentioned each section of independent cell body, by metal higher for fusing point（Example
As copper metal）It is placed in that vitreous humour flows at first, temperature highest first section cell body, and the control of first section cell body is greatly improved
Temperature, be beneficial to reduction vitreous humour shakeouts viscosity；Metallic tin relatively low for fusing point is placed on the latter end of vitreous humour cooling shaping
In cell body, molten tin bath temperature can be greatly reduced, so that the degree of oxidation of tin liquor is considerably reduced.
This plate glass float glass process forming process is beneficial in that：Can with effectively solving float glass exist that
Insoluble problem a bit, such as tin liquor oxidation, tin defects, high-viscosity glass and ultra-thin glass are difficult to molding etc.；And float glass process can be made
The quality of glass, yield and benefit significantly improve, and manufacturing cost is greatly lowered.
Brief description
Fig. 1 is the vertical section principle assumption diagram of one of the embodiment of the present invention.
Fig. 2 is the A partial enlarged drawing of Fig. 1.
Fig. 3 is the B partial enlarged drawing of Fig. 1.
Fig. 4 is the C partial enlarged drawing of Fig. 1.
In figure 1. liquid metal cell body, the 2. liquid metal in first section cell body, the liquid gold in 2a. second segment cell body
Belong to, the liquid metal in the 3rd section of cell body of 2b., the liquid metal stannum in 2c. latter end cell body, 3. flow into the glass of liquid metallic channel
Glass liquid, the glass tape that 3a. shakeouts on liquid metal, 3b. is held up by gas and draws thin liquid glass band, 3c. by static or
Thin liquid glass band, 4. liquid metal demarcation strip, 5. air jet pipe, 5a. static state or rotary carrier roller are drawn in rotary carrier roller picking-up,
5b. is to pressure roller, 5c. concora crush roller, 6. supporting plate, 7. glass plate exit, 8. air vent.
Specific embodiment
In Fig. 1, Fig. 2, Fig. 3, Fig. 4, in liquid metal cell body, for the liquid glass band floating in liquid metal,
Its certain pulling longitudinal or some positions, pass through to be drawn and/or it is rolled on its whole width（Traditional method
It is to use edge machine horizontal withdrawal）Make it thinning and reach required thickness.
Above-mentioned liquid glass band is drawn upper method it is：A certain section or a few sections of liquid glass bands are lifted from below, makes
It is temporarily disengaged from and exceeds metal bath surface, and draws liquid glass band thin in the process.
Above-mentioned a certain section or a few sections of liquid glass bands from the method lifted below are：Lower section in liquid glass band
Setting air jet pipe 5 jet upwards, draw thin liquid glass band 3b to hold up with gas by being held up by gas.Excessive gas are from aerofluxuss
Mouth 8 exclusion.
Above-mentioned a certain section or a few sections of liquid glass bands from the method lifted below are：With static or rotary carrier roller 5a
Thin liquid glass band 3c is drawn to hold up so as to being temporarily disengaged from and exceeding metal bath surface by being held up by static or rotary carrier roller, and
During this, liquid glass band is drawn thin.
Above-mentioned make it thinning the rolling of liquid glass band on its whole width and reach the method for required thickness be：With
Pressure roller 5b is rolled to liquid glass band.
Above-mentioned make it thinning the rolling of liquid glass band on its whole width and reach the method for required thickness be：Will
Liquid glass band is placed on supporting plate 6, with concora crush roller 5c, it is rolled.
In order that preventing liquid metal from aoxidizing, in addition to atmosphere protection, liquid glass band is paved with masking in above-mentioned liquid
Metallic upper surface is so as to isolate with ambient atmos.This is cannot for traditional horizontal withdrawal moulding process with edge machine
Realize.
In the liquid metal groove of the lower section of the above-mentioned a certain section or a few sections liquid glass band lifting up, setting liquid gold
Belonging to demarcation strip 4, liquid metal cell body 1 being divided into several sections of independent cell bodies, to control the temperature of each independent cell body respectively.
The metal of unlike material and fusing point can be placed in above-mentioned each section of independent cell body, by metal higher for fusing point（Example
As copper metal）It is placed in that vitreous humour flows at first, temperature highest first section cell body, and the control of first section cell body is greatly improved
Temperature, be beneficial to reduction vitreous humour shakeouts viscosity；Metallic tin relatively low for fusing point is placed on the latter end of vitreous humour cooling shaping
In cell body, molten tin bath temperature can be greatly reduced, so that the degree of oxidation of tin liquor is considerably reduced.
Above-mentioned air jet pipe 5, static state or rotary carrier roller 5a, the material to pressure roller 5b, concora crush roller 5c and supporting plate 6 can be selected for not
Rust steel, quartz, platinum etc..
Claims (8)
1. a kind of plate glass float glass process forming process, is characterized in that：In the liquid metal cell body of float shaping, for
Float over the liquid glass band in liquid metal, in its certain pulling longitudinal or some positions, passing through on its whole width will
It draws and/or it is rolled makes it thinning and reaches required thickness；In order to prevent liquid metal from aoxidizing, except atmosphere protection
Outward, liquid glass band is paved with masking in above-mentioned liquid metal upper surface so as to isolate with ambient atmos.
2. a kind of plate glass float glass process forming process according to claim 1, is characterized in that：Above-mentioned by liquid glass band
Drawing method is：A certain section or a few sections of liquid glass bands are lifted so as to being temporarily disengaged from and exceeding metal bath surface from below,
And in the process liquid glass band is drawn thin.
3. a kind of plate glass float glass process forming process according to claim 2, is characterized in that：Above-mentioned by a certain section or certain
Several sections of liquid glass bands from the method lifted below are：In the lower section of liquid glass band jet upwards, with gas by liquid glass
Glass band holds up.
4. a kind of plate glass float glass process forming process according to claim 2, is characterized in that：Above-mentioned by a certain section or certain
Several sections of liquid glass bands from the method lifted below are：Being held up liquid glass band with static or rotary carrier roller makes it temporarily take off
From and exceed metal bath surface, and in the process liquid glass band is drawn thin.
5. a kind of plate glass float glass process forming process according to claim 1, is characterized in that：Above-mentioned in its whole width
On make it thinning the rolling of liquid glass band and reach the method for required thickness be：With rolling to liquid glass band to roller.
6. a kind of plate glass float glass process forming process according to claim 1, is characterized in that：Above-mentioned in its whole width
On make it thinning the rolling of liquid glass band and reach the method for required thickness be：Liquid glass band is placed on supporting plate, uses
Concora crush roller rolls to it.
7. a kind of plate glass float glass process forming process according to claim 1, is characterized in that：In certain lifting up above-mentioned
In the liquid metal groove of the lower section of one section or a few sections liquid glass band, liquid metal demarcation strip is set, liquid metal groove is divided
For several sections of independent cell bodies, to control the temperature of each independent cell body respectively.
8. a kind of plate glass float glass process forming process according to claim 7, is characterized in that：Can be in above-mentioned each section of independence
Cell body in place the metal of unlike material and fusing point, metal higher for fusing point is placed on vitreous humour flows at first, temperature
In highest first section cell body, and the control temperature of first section cell body is greatly improved, be beneficial to reduce vitreous humour shakeouts viscosity；To melt
Select relatively low metallic tin to be placed in the latter end cell body of vitreous humour cooling shaping, molten tin bath temperature can be greatly reduced, make the oxygen of tin liquor
Change degree considerably reduces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611073416.1A CN106396347A (en) | 2016-11-29 | 2016-11-29 | Novel process for float plate glass forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611073416.1A CN106396347A (en) | 2016-11-29 | 2016-11-29 | Novel process for float plate glass forming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106396347A true CN106396347A (en) | 2017-02-15 |
Family
ID=58084571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611073416.1A Pending CN106396347A (en) | 2016-11-29 | 2016-11-29 | Novel process for float plate glass forming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106396347A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109020158A (en) * | 2018-08-29 | 2018-12-18 | 台玻安徽玻璃有限公司 | A kind of low-emission coated energy-saving glass production system |
| CN117209140A (en) * | 2023-08-24 | 2023-12-12 | 兆虹精密(北京)科技有限公司 | Glass molding device and glass molding method |
| CN117209140B (en) * | 2023-08-24 | 2024-06-07 | 兆虹精密(北京)科技有限公司 | Glass molding device and glass molding method |
-
2016
- 2016-11-29 CN CN201611073416.1A patent/CN106396347A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109020158A (en) * | 2018-08-29 | 2018-12-18 | 台玻安徽玻璃有限公司 | A kind of low-emission coated energy-saving glass production system |
| CN109020158B (en) * | 2018-08-29 | 2023-10-20 | 台玻安徽玻璃有限公司 | Low-radiation film-coating energy-saving glass production system |
| CN117209140A (en) * | 2023-08-24 | 2023-12-12 | 兆虹精密(北京)科技有限公司 | Glass molding device and glass molding method |
| CN117209140B (en) * | 2023-08-24 | 2024-06-07 | 兆虹精密(北京)科技有限公司 | Glass molding device and glass molding method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170215 |
|
| WD01 | Invention patent application deemed withdrawn after publication |