CN115818955A - Float glass preparation method - Google Patents
Float glass preparation method Download PDFInfo
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- CN115818955A CN115818955A CN202211406226.2A CN202211406226A CN115818955A CN 115818955 A CN115818955 A CN 115818955A CN 202211406226 A CN202211406226 A CN 202211406226A CN 115818955 A CN115818955 A CN 115818955A
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- glass
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- 239000005329 float glass Substances 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title description 4
- 239000011521 glass Substances 0.000 claims abstract description 83
- 239000006060 molten glass Substances 0.000 claims abstract description 62
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 41
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 38
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000292 calcium oxide Substances 0.000 claims abstract description 19
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 19
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 19
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000002156 mixing Methods 0.000 claims abstract description 19
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 19
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 18
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims abstract description 16
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims abstract description 16
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 16
- 238000002844 melting Methods 0.000 claims abstract description 15
- 230000008018 melting Effects 0.000 claims abstract description 15
- 239000006184 cosolvent Substances 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims description 37
- 238000000137 annealing Methods 0.000 claims description 32
- 239000002994 raw material Substances 0.000 claims description 20
- 238000005520 cutting process Methods 0.000 claims description 15
- 239000005347 annealed glass Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000003892 spreading Methods 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 11
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 claims description 8
- 229910001950 potassium oxide Inorganic materials 0.000 claims description 8
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 8
- 229910001948 sodium oxide Inorganic materials 0.000 claims description 8
- 238000005303 weighing Methods 0.000 claims description 5
- 238000006124 Pilkington process Methods 0.000 claims 5
- 239000007788 liquid Substances 0.000 abstract description 24
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000002425 crystallisation Methods 0.000 description 12
- 230000008025 crystallization Effects 0.000 description 12
- 239000000126 substance Substances 0.000 description 12
- 238000000465 moulding Methods 0.000 description 6
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical compound [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000005352 clarification Methods 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 239000005357 flat glass Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005816 glass manufacturing process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
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Classifications
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- 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
Abstract
The invention relates to the technical field of glass production, in particular to a method for preparing float glass, which comprises the steps of mixing 65-77% of silicon dioxide, 7-11% of calcium oxide, 3-5% of magnesium oxide, 0.6-1.3% of aluminum oxide, 0.01-0.1% of ferric oxide and 5-12% of cosolvent, and sequentially melting and clarifying to obtain glass liquid; then floating the molten glass on the surface of the molten tin; then processing the molten glass on the tin liquid surface to obtain a glass ribbon; finally, the glass ribbon is sequentially annealed and cut to obtain the float glass, so that the stability of the float glass is improved.
Description
Technical Field
The invention relates to the technical field of glass production, in particular to a float glass preparation method.
Background
Float glass is obtained by floating molten glass on the surface of molten metal and polishing, wherein molten glass is continuously flowed into a melting furnace and filled with protective gas (N) 2 And H 2 ) The tin bath floats on the liquid level of the metallic tin, and the glass of the glass belt with uniform thickness, parallel two surfaces, flatness and polishing is formed by flattening and polishing, which is one of the flat glass. At present, the stability of the float glass is insufficient, so that a float glass preparation method with good stability is needed to be provided.
Disclosure of Invention
The invention aims to provide a method for preparing float glass, which aims to improve the stability of the float glass.
In order to realize the aim, the invention provides a method for preparing float glass, which comprises the following steps:
weighing the following raw materials in percentage by mass: 65 to 77 percent of silicon dioxide, 7 to 11 percent of calcium oxide, 3 to 5 percent of magnesium oxide, 0.6 to 1.3 percent of aluminum oxide, 0.01 to 0.1 percent of ferric oxide and 5 to 12 percent of cosolvent;
mixing the raw materials, and sequentially melting and clarifying to obtain molten glass;
floating the molten glass on the surface of the molten tin;
processing the molten glass on the molten tin surface to obtain a glass ribbon;
the glass ribbon is sequentially annealed and cut to obtain the float glass.
Wherein, the raw materials are weighed according to the following mass percentage: 65 to 77 percent of silicon dioxide, 7 to 11 percent of calcium oxide, 3 to 5 percent of magnesium oxide, 0.6 to 1.3 percent of aluminum oxide, 0.01 to 0.1 percent of ferric oxide and 5 to 12 percent of cosolvent:
the cosolvent is one or a mixture of sodium oxide and potassium oxide.
The method comprises the following steps of mixing the raw materials, sequentially melting and clarifying to obtain molten glass:
mixing the prepared raw materials to obtain a mixture;
heating the mixture at a high temperature of 1300-1400 ℃ to melt the mixture to obtain a solution;
and raising the temperature of the solution to 1400-1550 ℃ to clarify the solution to obtain molten glass.
The method comprises the following specific steps of treating molten glass on a molten tin surface to obtain a glass ribbon:
spreading, flattening and thinning the molten glass on the molten tin surface by adopting an edge roller and a transition roller table;
repeating the above operations for many times to form the molten glass into the glass ribbon with flat upper and lower surfaces.
The method comprises the following steps of sequentially annealing and cutting a glass belt to obtain float glass:
sending the glass belt into an annealing kiln for annealing treatment;
and cutting the annealed glass ribbon according to requirements to obtain the float glass.
Wherein, in the step of sending the glass ribbon into an annealing kiln for annealing treatment:
the temperature after the annealing treatment is 1000-1100 ℃.
The invention relates to a method for preparing float glass, which comprises the steps of mixing 65-77% of silicon dioxide, 7-11% of calcium oxide, 3-5% of magnesium oxide, 0.6-1.3% of aluminum oxide, 0.01-0.1% of ferric oxide and 5-12% of cosolvent, and sequentially melting and clarifying to obtain glass liquid; then floating the molten glass on the surface of the molten tin; then processing the molten glass on the tin liquid surface to obtain a glass ribbon; and finally, sequentially annealing and cutting the glass ribbon to obtain the float glass. Silica is a main oxide forming the float glass, and forms an irregular continuous network with a structural unit of silicon-oxygen tetrahedron, so that a framework of the glass is formed, the viscosity of the float glass is increased, and the thermal stability and the chemical stability of the float glass are improved; the calcium oxide can accelerate the melting and clarification process of the glass, and improve the mechanical strength, hardness and chemical stability of the glass; the magnesium oxide can reduce the high-temperature viscosity of the magic power, so that the crystallization tendency and the crystallization speed of the glass are reduced, and the mechanical strength, the thermal stability and the chemical stability of the glass are improved; the alumina can reduce the crystallization tendency, crystallization speed and expansion coefficient of the glass, and improve the viscosity, surface tension, softening temperature, thermal stability, chemical stability and mechanical strength of the glass; the cosolvent can reduce the melting temperature of the glass, reduce the viscosity of the glass liquid and increase the high-temperature fluidity of the glass liquid, so that the glass liquid can flow on the surface of the tin liquid, and the stability of the float glass is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a flow chart of a float glass manufacturing process of the present invention.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, and the embodiments described below with reference to the accompanying drawings are exemplary and intended to be illustrative of the present invention and should not be construed as limiting the present invention.
Referring to fig. 1, fig. 1 is a flow chart of a method for manufacturing a float glass according to the present invention, and the present invention provides a method for manufacturing a float glass, which includes the following steps:
s1: weighing the following raw materials in percentage by mass: 65 to 77 percent of silicon dioxide, 7 to 11 percent of calcium oxide, 3 to 5 percent of magnesium oxide, 0.6 to 1.3 percent of aluminum oxide, 0.01 to 0.1 percent of ferric oxide and 5 to 12 percent of cosolvent;
correspondingly weighing raw materials in corresponding mass percentage so as to be convenient for preparing the float glass subsequently.
S2: mixing the raw materials, and sequentially melting and clarifying to obtain molten glass;
silica is a main oxide forming the float glass, and forms an irregular continuous network by a structural unit of silicon-oxygen tetrahedron, so that a framework of the glass is formed, the viscosity of the float glass is increased, and the thermal stability and the chemical stability of the float glass are improved; the calcium oxide can accelerate the melting and clarification process of the glass, and improve the mechanical strength, hardness and chemical stability of the glass; the magnesium oxide can reduce the high-temperature viscosity of the magic power, so that the crystallization tendency and the crystallization speed of the glass are reduced, and the mechanical strength, the thermal stability and the chemical stability of the glass are improved; the alumina can reduce the crystallization tendency, crystallization speed and expansion coefficient of the glass, and improve the viscosity, surface tension, softening temperature, thermal stability, chemical stability and mechanical strength of the glass; the cosolvent is one or a mixture of sodium oxide and potassium oxide, and can reduce the melting temperature of glass, reduce the viscosity of molten glass and increase the high-temperature fluidity of the molten glass so as to facilitate the flow of the molten glass on the surface of the molten tin; iron oxide can affect the optical properties of the glass, rendering the glass yellow-green in color. Mixing the prepared raw materials to obtain a mixture, heating the mixture at the high temperature of 1300-1400 ℃ to melt the mixture to obtain a solution, and raising the temperature of the solution to 1400-1550 ℃ to clarify the solution to obtain the molten glass.
S3: floating the molten glass on the surface of the molten tin;
the molten glass continuously flows into the tin bath through the launder, floats on the surface of the molten tin with high relative density and flows on the surface of the molten tin under the action of self gravity and surface tension.
S4: processing the molten glass on the molten tin surface to obtain a glass ribbon;
and under the action of the pulling force of the edge roller and the transition roller table, spreading, flattening and thinning the molten glass on the molten tin surface, and repeatedly operating for many times to form the molten glass into a glass belt with smooth upper and lower surfaces.
S5: the glass ribbon is sequentially annealed and cut to obtain the float glass.
And (3) conveying the glass belt into an annealing kiln to carry out annealing treatment at the temperature of 1000-1100 ℃, and cutting the annealed glass belt as required to obtain float glass.
The invention relates to a method for preparing float glass, which comprises the steps of mixing raw materials of 65-77% of silicon dioxide, 7-11% of calcium oxide, 3-5% of magnesium oxide, 0.6-1.3% of aluminum oxide, 0.01-0.1% of ferric oxide and 5-12% of cosolvent, and sequentially melting and clarifying the raw materials to obtain glass liquid; then floating the molten glass on the surface of the molten tin; then processing the molten glass on the tin liquid surface to obtain a glass ribbon; and finally, sequentially annealing and cutting the glass ribbon to obtain the float glass. Silica is a main oxide forming the float glass, and forms an irregular continuous network by a structural unit of silicon-oxygen tetrahedron, so that a framework of the glass is formed, the viscosity of the float glass is increased, and the thermal stability and the chemical stability of the float glass are improved; the calcium oxide can accelerate the melting and clarification process of the glass, and improve the mechanical strength, hardness and chemical stability of the glass; the magnesium oxide can reduce the high-temperature viscosity of the magic power, so that the crystallization tendency and the crystallization speed of the glass are reduced, and the mechanical strength, the thermal stability and the chemical stability of the glass are improved; the alumina can reduce the crystallization tendency, crystallization speed and expansion coefficient of the glass, and improve the viscosity, surface tension, softening temperature, thermal stability, chemical stability and mechanical strength of the glass; the cosolvent is one or a mixture of sodium oxide and potassium oxide, and can reduce the melting temperature of glass, reduce the viscosity of molten glass and increase the high-temperature fluidity of the molten glass, so that the molten glass can flow on the surface of molten tin conveniently, and the stability of the float glass is improved.
Example 1
Mixing 65% of silicon dioxide, 11% of calcium oxide, 5% of magnesium oxide, 1.3% of aluminum oxide, 0.1% of ferric oxide and 12% of sodium oxide to obtain a mixture; then heating the mixture at 1300 ℃ to melt the mixture to obtain a solution; then, the temperature of the solution is increased to 1550 ℃ so as to clarify the solution to obtain glass liquid; then floating the molten glass on the surface of the molten tin; spreading, flattening and thinning the molten glass on the molten tin surface by adopting an edge roller and a transition roller table, and repeatedly forming the molten glass into a glass belt with flat upper and lower surfaces; then the glass belt is sent into an annealing kiln for annealing treatment; and finally, cutting the annealed glass ribbon according to requirements to obtain the float glass.
Example 2
Mixing raw materials of 67% of silicon dioxide, 8% of calcium oxide, 3% of magnesium oxide, 1.3% of aluminum oxide, 0.1% of ferric oxide and 11% of sodium oxide to obtain a mixture; then heating the mixture at a high temperature of 1400 ℃ to melt the mixture to obtain a solution; then, the temperature of the solution is increased to 1550 ℃ so as to clarify the solution to obtain glass liquid; then floating the molten glass on the surface of the molten tin; spreading, flattening and thinning the molten glass on the tin liquid surface by adopting an edge roller and a transition roller table, and repeatedly molding the molten glass into a glass belt with flat upper and lower surfaces; then the glass belt is sent into an annealing kiln for annealing treatment; and finally, cutting the annealed glass ribbon according to requirements to obtain the float glass.
Example 3
Mixing raw materials of 69% of silicon dioxide, 9% of calcium oxide, 5% of magnesium oxide, 0.6% of aluminum oxide, 0.02% of ferric oxide and 6% of sodium oxide to obtain a mixture; then heating the mixture at 1300 ℃ to melt the mixture to obtain a solution; subsequently, the temperature of the solution is raised to 1500 ℃ to clarify the solution to obtain glass liquid; then floating the molten glass on the surface of the molten tin; spreading, flattening and thinning the molten glass on the tin liquid surface by adopting an edge roller and a transition roller table, and repeatedly molding the molten glass into a glass belt with flat upper and lower surfaces; then the glass belt is sent into an annealing kiln for annealing treatment; and finally cutting the annealed glass ribbon according to requirements to obtain the float glass.
Example 4
Mixing raw materials of 75% of silicon dioxide, 11% of calcium oxide, 4% of magnesium oxide, 1.1% of aluminum oxide, 0.08% of ferric oxide and 10% of sodium oxide to obtain a mixture; then heating the mixture at 1300 ℃ to melt the mixture to obtain a solution; subsequently, the temperature of the solution is raised to 1450 ℃ so as to clarify the solution to obtain molten glass; then floating the molten glass on the surface of the molten tin; spreading, flattening and thinning the molten glass on the tin liquid surface by adopting an edge roller and a transition roller table, and repeatedly molding the molten glass into a glass belt with flat upper and lower surfaces; then the glass belt is sent into an annealing kiln for annealing treatment; and finally, cutting the annealed glass ribbon according to requirements to obtain the float glass.
Example 5
Mixing 65% of silicon dioxide, 7% of calcium oxide, 5% of magnesium oxide, 0.6% of aluminum oxide, 0.05% of ferric oxide and 9% of potassium oxide to obtain a mixture; then heating the mixture at a high temperature of 1400 ℃ to melt the mixture to obtain a solution; then, the temperature of the solution is increased to 1400 ℃ to clarify the solution to obtain glass liquid; then floating the molten glass on the surface of the molten tin; spreading, flattening and thinning the molten glass on the tin liquid surface by adopting an edge roller and a transition roller table, and repeatedly molding the molten glass into a glass belt with flat upper and lower surfaces; then the glass belt is sent into an annealing kiln for annealing treatment; and finally, cutting the annealed glass ribbon according to requirements to obtain the float glass.
Example 6
Mixing raw materials of 70% of silicon dioxide, 7% of calcium oxide, 4% of magnesium oxide, 0.9% of aluminum oxide, 0.09% of ferric oxide and 10% of potassium oxide to obtain a mixture; then heating the mixture at 1350 ℃ to melt the mixture to obtain a solution; then, the temperature of the solution is increased to 1550 ℃ so as to clarify the solution to obtain glass liquid; then floating the molten glass on the surface of the molten tin; spreading, flattening and thinning the molten glass on the molten tin surface by adopting an edge roller and a transition roller table, and repeatedly forming the molten glass into a glass belt with flat upper and lower surfaces; then the glass belt is sent into an annealing kiln for annealing treatment; and finally, cutting the annealed glass ribbon according to requirements to obtain the float glass.
Example 7
Mixing 76% of silicon dioxide, 11% of calcium oxide, 3% of magnesium oxide, 0.6% of aluminum oxide, 0.01% of ferric oxide and 5% of potassium oxide to obtain a mixture; then heating the mixture at 1300 ℃ to melt the mixture to obtain a solution; subsequently, the temperature of the solution is raised to 1400 ℃ to clarify the solution to obtain glass liquid; then floating the molten glass on the surface of the molten tin; spreading, flattening and thinning the molten glass on the tin liquid surface by adopting an edge roller and a transition roller table, and repeatedly molding the molten glass into a glass belt with flat upper and lower surfaces; then the glass belt is sent into an annealing kiln for annealing treatment; and finally, cutting the annealed glass ribbon according to requirements to obtain the float glass.
Example 8
Mixing 77% of silicon dioxide, 7% of calcium oxide, 3% of magnesium oxide, 0.7% of aluminum oxide, 0.04% of ferric oxide and 6% of potassium oxide to obtain a mixture; then heating the mixture at 1300 ℃ to melt the mixture to obtain a solution; then, the temperature of the solution is increased to 1550 ℃ so as to clarify the solution to obtain glass liquid; then floating the molten glass on the surface of the molten tin; spreading, flattening and thinning the molten glass on the tin liquid surface by adopting an edge roller and a transition roller table, and repeatedly molding the molten glass into a glass belt with flat upper and lower surfaces; then the glass belt is sent into an annealing kiln for annealing treatment; and finally cutting the annealed glass ribbon according to requirements to obtain the float glass.
While the above disclosure describes one or more preferred embodiments of the present invention, it is not intended to limit the scope of the claims to such embodiments, and one skilled in the art will understand that all or a portion of the processes performed in the above embodiments may be practiced without departing from the spirit and scope of the claims.
Claims (6)
1. A method for preparing float glass is characterized by comprising the following steps:
weighing the following raw materials in percentage by mass: 65 to 77 percent of silicon dioxide, 7 to 11 percent of calcium oxide, 3 to 5 percent of magnesium oxide, 0.6 to 1.3 percent of aluminum oxide, 0.01 to 0.1 percent of ferric oxide and 5 to 12 percent of cosolvent;
mixing the raw materials, and sequentially melting and clarifying to obtain molten glass;
floating the molten glass on the surface of the molten tin;
processing the molten glass on the molten tin surface to obtain a glass ribbon;
the glass ribbon is sequentially annealed and cut to obtain the float glass.
2. The float glass process of claim 1,
weighing the following raw materials in percentage by mass: 65 to 77 percent of silicon dioxide, 7 to 11 percent of calcium oxide, 3 to 5 percent of magnesium oxide, 0.6 to 1.3 percent of aluminum oxide, 0.01 to 0.1 percent of ferric oxide and 5 to 12 percent of cosolvent:
the cosolvent is one or a mixture of sodium oxide and potassium oxide.
3. The float glass process of claim 2,
the method comprises the following specific steps of mixing the raw materials, sequentially melting and clarifying to obtain molten glass:
mixing the prepared raw materials to obtain a mixture;
heating the mixture at a high temperature of 1300-1400 ℃ to melt the mixture to obtain a solution;
and raising the temperature of the solution to 1400-1550 ℃ to clarify the solution to obtain molten glass.
4. The float glass process of claim 3,
the method for processing the molten glass on the molten tin surface to obtain the glass ribbon comprises the following specific steps:
spreading, flattening and thinning the molten glass on the molten tin surface by adopting an edge roller and a transition roller table;
repeating the above operations for many times to form the molten glass into the glass ribbon with flat upper and lower surfaces.
5. The float glass process of claim 4,
the method comprises the following specific steps of sequentially annealing and cutting the glass ribbon to obtain the float glass:
sending the glass belt into an annealing kiln for annealing treatment;
and cutting the annealed glass ribbon according to requirements to obtain the float glass.
6. The float glass process of claim 5,
in the step of feeding the glass ribbon into an annealing lehr for annealing treatment:
the temperature after the annealing treatment is 1000-1100 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211406226.2A CN115818955A (en) | 2022-11-10 | 2022-11-10 | Float glass preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211406226.2A CN115818955A (en) | 2022-11-10 | 2022-11-10 | Float glass preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115818955A true CN115818955A (en) | 2023-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211406226.2A Withdrawn CN115818955A (en) | 2022-11-10 | 2022-11-10 | Float glass preparation method |
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| Country | Link |
|---|---|
| CN (1) | CN115818955A (en) |
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- 2022-11-10 CN CN202211406226.2A patent/CN115818955A/en not_active Withdrawn
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