CN110759632A - High-borosilicate glass formula with high transparency - Google Patents
High-borosilicate glass formula with high transparency Download PDFInfo
- Publication number
- CN110759632A CN110759632A CN201910849312.2A CN201910849312A CN110759632A CN 110759632 A CN110759632 A CN 110759632A CN 201910849312 A CN201910849312 A CN 201910849312A CN 110759632 A CN110759632 A CN 110759632A
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- glass
- temperature
- borosilicate glass
- transparency
- annealing furnace
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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
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/173—Apparatus for changing the composition of the molten glass in glass furnaces, e.g. for colouring the molten glass
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/11—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen
- C03C3/112—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen containing fluorine
- C03C3/115—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen containing fluorine containing boron
- C03C3/118—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen containing fluorine containing boron containing aluminium
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Glass Compositions (AREA)
Abstract
The invention discloses a high borosilicate glass formula with high transparency, and relates to the technical field of glass production. The invention comprises the raw materials of 69-73% of SiO2, 13-16% of Na2O, 1.5-2.4% of Al2O3, 8.0-9.0% of CaO, 0.4-1.0% of BaO, 0.3-0.9% of B2O3, 0.4-0.8% of F and 0.1-0.25% of CeO2, wherein the oxidant comprises 8.0-9.0% of cobalt oxide and 0.4-0.8% of erbium oxide, the ingredients are sent into a melting furnace, the ingredients are melted into a melt at a high temperature of 1800-1600 ℃ in the melting furnace, the melt flows into a working pool after being clarified, the clarifying temperature is 1600 ℃, and the oxidant, namely 8.0-9.0% of cobalt oxide and 0.4-0.8% of erbium oxide are added again to obtain the base material. The invention aims to increase the transparency of the product by adding two oxidants to neutralize iron ions in the raw materials in a kiln at high temperature through a neutralization method, and the method can flexibly solve the problem of low transparency of glass and ensure the quality of the glass.
Description
Technical Field
The invention belongs to the technical field of glass production, and particularly relates to a high borosilicate glass formula with high transparency.
Background
Glass is an amorphous inorganic non-metallic material, and is generally prepared from various inorganic minerals such as quartz sand, borax, boric acid, barite, barium carbonate, limestone, feldspar, soda ash and the like as main raw materials, and a small amount of auxiliary raw materials. Its main components are silicon dioxide and other oxides. The chemical composition of the common glass is Na2SiO3, CaSiO3, SiO2 or Na 2O. CaO.6SiO 2, and the like, and the main component is a silicate double salt which is an amorphous solid with a random structure. The light-transmitting composite material is widely applied to buildings, is used for isolating wind and transmitting light, and belongs to a mixture. Colored glass in which an oxide or salt of a certain metal is mixed to develop a color, tempered glass produced by a physical or chemical method, and the like are also available. Some transparent plastics are sometimes also referred to as plexiglas.
The existing glass has the problems of low transparency and low quality in the production process, and the production benefit of manufacturers can be influenced if the problems are not solved for a long time.
Disclosure of Invention
The invention aims to provide a high-transparency high-borosilicate glass formula, which is characterized in that two oxidants are added, the main purpose is to increase the transparency of a product by neutralizing raw materials in a kiln at high temperature through a neutralization method, the method can flexibly solve the problem of low transparency of glass, ensure the quality of the glass, solve the problems of low transparency and low quality of the existing glass in the production process, and influence the production benefit of manufacturers if the problems are not solved for a long time.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a high-borosilicate glass formula with high transparency, which comprises the following raw materials, by weight, 69-73% of SiO2, 13-16% of Na2O, 1.5-2.4% of Al2O3, 8.0-9.0% of CaO, 0.4-1.0% of BaO, 0.3-0.9% of B2O3, 0.4-0.8% of F and 0.1-0.25% of CeO 2;
the oxidant comprises 8.0-9.0% of cobalt oxide and 0.4-0.8% of erbium oxide by weight percentage.
Further, the ingredients are sent into a melting furnace, the ingredients are melted into molten liquid at high temperature in the melting furnace, the melting temperature is 1800-.
Further, the base material is introduced into a molding groove, the molding temperature is 800-1000 ℃, and the molding time is 2-5h, so that the glass plate is obtained.
Further, the shaped glass plate is sent into an annealing furnace for annealing treatment, the temperature of the high-temperature region of the annealing furnace is controlled to be 550-580 ℃, and the time is not less than 20 min; the temperature of the low-temperature region of the annealing furnace is controlled to be 300-350 ℃, and the time is not less than 220 min; and the temperature of the heat preservation area of the annealing furnace is reduced from 300 ℃ to be close to the room temperature along the discharging direction, the heat preservation time is not less than 40min, and the glass bottle is naturally cooled for more than 40min after being taken out of the annealing furnace.
Furthermore, the annealed glass is introduced with hot air of 550 ℃ at the wind speed of 2m/s for 50min, and the reshaped glass is stored in a room-temperature, dry, windless and dustless environment for natural air drying or high-pressure air drying.
The invention has the following beneficial effects: because the iron content in the quartz sand is not fixed and the color of the product is easy to turn green, two raw materials of cobalt oxide and erbium oxide are added through experiments, and the purpose of adding the two oxidants is to neutralize iron ions in a kiln after the raw materials pass through high temperature through a neutralization method, so that the transparency of the product is increased.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention relates to a high-borosilicate glass formula with high transparency, which comprises the following raw materials, by weight, 69-73% of SiO2, 13-16% of Na2O, 1.5-2.4% of Al2O3, 8.0-9.0% of CaO, 0.4-1.0% of BaO, 0.3-0.9% of B2O3, 0.4-0.8% of F and 0.1-0.25% of CeO 2;
the oxidant comprises 8.0-9.0% of cobalt oxide and 0.4-0.8% of erbium oxide by weight percentage.
Wherein, the ingredients are sent into a melting furnace, the ingredients are melted into a melt at high temperature in the melting furnace, the melting temperature is 1800-.
Wherein, the base material is introduced into the molding groove, the molding temperature is 800-.
Wherein, the shaped glass plate is sent into an annealing furnace for annealing treatment, the temperature of the high-temperature area of the annealing furnace is controlled to be 550-580 ℃, and the time is not less than 20 min; the temperature of the low-temperature region of the annealing furnace is controlled to be 300-350 ℃, and the time is not less than 220 min; and the temperature of the heat preservation area of the annealing furnace is reduced from 300 ℃ to be close to the room temperature along the discharging direction, the heat preservation time is not less than 40min, and the glass bottle is naturally cooled for more than 40min after being taken out of the annealing furnace.
Wherein, the annealed glass is introduced with hot air of 550 ℃ at the wind speed of 2m/s, ventilated for 50min, and the reshaped glass is stored in a room temperature, dry, windless and dustless environment for natural air drying or high-pressure air drying.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The high borosilicate glass formulation with high transparency is characterized in that the raw materials comprise, by weight, 69-73% of SiO2, 13-16% of Na2O, 1.5-2.4% of Al2O3, 8.0-9.0% of CaO, 0.4-1.0% of BaO, 0.3-0.9% of B2O3, 0.4-0.8% of F and 0.1-0.25% of CeO 2;
the oxidant comprises 8.0-9.0% of cobalt oxide and 0.4-0.8% of erbium oxide by weight percentage.
2. The high-borosilicate glass formulation as defined in claim 1, wherein the batch is fed into a melting furnace, and melted at 1800-.
3. The high-borosilicate glass formulation as defined in claim 1, wherein the substrate is introduced into the forming tank at a forming temperature of 800-1000 ℃ for 2-5 hours to obtain a glass plate.
4. The high-borosilicate glass formulation as defined in claim 1, wherein the shaped glass sheet is annealed in an annealing furnace at a temperature of 550 ℃ and 580 ℃ for 20min or longer; the temperature of the low-temperature region of the annealing furnace is controlled to be 300-350 ℃, and the time is not less than 220 min; and the temperature of the heat preservation area of the annealing furnace is reduced from 300 ℃ to be close to the room temperature along the discharging direction, the heat preservation time is not less than 40min, and the glass bottle is naturally cooled for more than 40min after being taken out of the annealing furnace.
5. The high-transparency high-borosilicate glass formulation according to claim 1, wherein the annealed glass is subjected to hot air at 550 ℃ at a wind speed of 2m/s for 50min, and the reshaped glass is stored at room temperature and dried in a dry, airless, dustless environment for natural air drying or high-pressure air drying.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910849312.2A CN110759632A (en) | 2019-09-09 | 2019-09-09 | High-borosilicate glass formula with high transparency |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910849312.2A CN110759632A (en) | 2019-09-09 | 2019-09-09 | High-borosilicate glass formula with high transparency |
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| CN110759632A true CN110759632A (en) | 2020-02-07 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1105343A (en) * | 1993-11-03 | 1995-07-19 | 化学技术大学 | Lead-free crystal glass with the refractive index higher than 1.52 |
| CN105948491A (en) * | 2016-04-29 | 2016-09-21 | 张家港市俊锋玻璃制品有限公司 | High-transparency glass and preparation method thereof |
| CN106007371A (en) * | 2016-05-19 | 2016-10-12 | 台玻安徽玻璃有限公司 | Method for manufacturing transparent float glass |
| CN106904830A (en) * | 2017-03-31 | 2017-06-30 | 咸宁南坡光电玻璃有限公司 | A kind of low iron, ultrawhite, glass of superelevation aluminium and its preparation method and application |
| CN107056020A (en) * | 2017-06-13 | 2017-08-18 | 合肥钢骨玻璃制品有限公司 | A kind of preparation method of safety glass |
| CN108821570A (en) * | 2018-07-10 | 2018-11-16 | 山东康友光电科技股份有限公司 | A kind of formula and method of the clear plate glass preparing surface peening |
-
2019
- 2019-09-09 CN CN201910849312.2A patent/CN110759632A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1105343A (en) * | 1993-11-03 | 1995-07-19 | 化学技术大学 | Lead-free crystal glass with the refractive index higher than 1.52 |
| CN105948491A (en) * | 2016-04-29 | 2016-09-21 | 张家港市俊锋玻璃制品有限公司 | High-transparency glass and preparation method thereof |
| CN106007371A (en) * | 2016-05-19 | 2016-10-12 | 台玻安徽玻璃有限公司 | Method for manufacturing transparent float glass |
| CN106904830A (en) * | 2017-03-31 | 2017-06-30 | 咸宁南坡光电玻璃有限公司 | A kind of low iron, ultrawhite, glass of superelevation aluminium and its preparation method and application |
| CN107056020A (en) * | 2017-06-13 | 2017-08-18 | 合肥钢骨玻璃制品有限公司 | A kind of preparation method of safety glass |
| CN108821570A (en) * | 2018-07-10 | 2018-11-16 | 山东康友光电科技股份有限公司 | A kind of formula and method of the clear plate glass preparing surface peening |
Non-Patent Citations (1)
| Title |
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| 田英良: "《新编玻璃工艺学》", 30 June 2009, 中国轻工业出版社 * |
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