CN110922054A - Production process of dustproof anti-reflection photovoltaic glass - Google Patents
Production process of dustproof anti-reflection photovoltaic glass Download PDFInfo
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- CN110922054A CN110922054A CN201911147326.6A CN201911147326A CN110922054A CN 110922054 A CN110922054 A CN 110922054A CN 201911147326 A CN201911147326 A CN 201911147326A CN 110922054 A CN110922054 A CN 110922054A
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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
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B13/00—Rolling molten glass, i.e. where the molten glass is shaped by rolling
- C03B13/08—Rolling patterned sheets, e.g. sheets having a surface pattern
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B25/00—Annealing glass products
-
- 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
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/004—Refining agents
-
- 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
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/006—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character
-
- 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
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/28—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
- C03C17/30—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with silicon-containing compounds
-
- 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
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
- C03C2217/73—Anti-reflective coatings with specific characteristics
- C03C2217/732—Anti-reflective coatings with specific characteristics made of a single layer
-
- 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
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/11—Deposition methods from solutions or suspensions
- C03C2218/112—Deposition methods from solutions or suspensions by spraying
Abstract
The invention discloses a production process of dustproof anti-reflection photovoltaic glass, which comprises the following steps: s1, batching: according to the weight portion, the high-purity quartz sand comprises 70-80 portions of high-purity quartz sand, 1-1.5 portions of aluminum oxide, 0.2-0.4 portion of ferric oxide, 8-10 portions of calcium oxide, 2.5-3.5 portions of magnesium oxide, 0.1-0.2 portion of cerium oxide, 0.2-0.4 portion of antimony trioxide, 0.2-0.4 portion of sodium nitrate, 1-2 portions of antimony oxide, 0.1-0.3 portion of nitrate and 0.2-0.5 portion of barium carbonate; s2, melting: the mixed materials are heated at 1580-1600 ℃, and the melting point is in front of 4 small furnaces, so that the glass can be melted for enough time. The invention has simple procedure, simple manufacturing process and low cost of used materials, ensures that dust is not easy to adhere to the surface of the glass, removes static electricity on the surface of the glass, reduces the adsorption effect on the dust, and is suitable for popularization.
Description
Technical Field
The invention relates to the field of photovoltaic glass production, in particular to a production process of dustproof anti-reflection photovoltaic glass.
Background
The photovoltaic glass is mainly applied to the field of solar photovoltaic glass, and the solar photovoltaic glass is special glass which is laminated into a solar cell, can generate electricity by utilizing solar radiation and is provided with a relevant current leading-out device and a cable. The solar cell is sealed between a piece of low-iron glass and a piece of back glass through the film, and is the most novel high-tech glass product for buildings. The low-iron glass is covered on the solar cell, so that high solar light transmittance can be ensured, and the low-iron glass subjected to toughening treatment also has stronger wind pressure resistance and the capability of bearing great day and night temperature difference change. The solar cell is sealed between a piece of low-iron glass and a piece of back glass through a film, and the solar cell is the most novel high-tech glass product for buildings. The solar cell is covered by the low-iron glass, so that more light transmittance is ensured, and more electric energy is generated. The toughened low-iron glass has higher strength and can bear larger wind pressure and larger day and night temperature difference change; the production process is widely applied to the fields of building curtain walls, photovoltaic roofs, sun-shading, solar power generation systems and the like, but solar photovoltaic glass is mostly used in regions with severe conditions, generally, the weather is more in sand wind and rain snow, so that the cleaning of the photovoltaic panel, which is indispensable at present, is generally realized by climbing high by manpower, the cleaning is performed in severe environments and terrains, the more times are required for cleaning personnel, and in order to reduce the workload of the cleaning personnel, the production process of the dustproof anti-reflection photovoltaic glass is provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a production process of dustproof anti-reflection photovoltaic glass.
A production process of dustproof anti-reflection photovoltaic glass comprises the following steps:
s1, batching: according to the weight portion, the high-purity quartz sand comprises 70-80 portions of high-purity quartz sand, 1-1.5 portions of aluminum oxide, 0.2-0.4 portion of ferric oxide, 8-10 portions of calcium oxide, 2.5-3.5 portions of magnesium oxide, 0.1-0.2 portion of cerium oxide, 0.2-0.4 portion of antimony trioxide, 0.2-0.4 portion of sodium nitrate, 1-2 portions of antimony oxide, 0.1-0.3 portion of nitrate and 0.2-0.5 portion of barium carbonate;
s2, melting: heating the mixed materials at 1580-1600 ℃, wherein the melting point is in front of 4 small furnaces, so that the glass can be melted for enough time;
s3, rolling: rolling and cooling the molten glass at about 1100 ℃ by a roller of a rolling mill at a constant speed to reach the required thickness and width, and obtaining a glass plate with the light transmittance of 91.5%;
s4, annealing: placing the formed glass into an annealing kiln, and cooling at a slow speed to eliminate thermal stress in glass production;
s5, cutting: cutting the annealed glass into a required size by a cutting knife;
s6, coating: coating a dustproof anti-reflection coating on the surface of the photovoltaic glass, wherein the coating comprises the following components in parts by weight: 10 parts of fluorocarbon resin, 1 part of silane coupling agent, 3 parts of methyl triethoxysilane and 1 part of acrylic resin; pre-curing the glass coated with the anti-reflective coating liquid at a temperature of 100-200-C for 20-30S.
S7, tempering the pre-cured glass at 680-730-C to obtain toughened dustproof anti-reflection photovoltaic glass.
Preferably, the coating is prepared according to the following preparation method, the raw materials are arranged in proportion, fluorocarbon resin is diluted according to the proportion, a silane coupling agent is added for heating and mixing, the heating temperature is 80-100 ℃, and after the mixture is cooled to be near the normal temperature, platinum silicon oxide and tin oxide are added into the mixture for continuously stirring and mixing.
Preferably, the melting process is carried out at a continuously high temperature, and the nitrate and barium carbonate are mainly used for lowering the melting temperature of the glass.
Preferably, the cerium oxide, the antimony trioxide, the sodium nitrate and the antimony oxide are mainly used for clarifying glass, and are used for removing bubbles in the glass and improving the light transmittance of the photovoltaic glass.
Preferably, the annealing lehr is used to relieve and equalize such internal stresses during annealing, to prevent cracking of the glass sheet and to facilitate cutting of the glass sheet.
Preferably, the silicon oxide in the coating is used for forming a network skeleton structure of the coating, the silane coupling agent is favorable for increasing the hardness of the film layer, the methyltriethoxysilane is favorable for forming the hydrophobicity of the film layer to achieve a dustproof effect, and the acrylic resin is used for forming pores in the coating to achieve an anti-reflection effect.
Preferably, the thickness of the rolled and molded glass is 2.0-3.2mm, and the upper surface of the photovoltaic glass is a suede surface and the lower surface of the photovoltaic glass is an embossed surface in a vacuum closed environment when the photovoltaic glass surface is sprayed.
According to the production process of the dustproof anti-reflection photovoltaic glass, the fluxing agent is added in the glass manufacturing process to improve the glass melting efficiency, bubbles in the glass are discharged through the clarifying agent, the light transmittance of the glass is improved, the adhesion degree of the coating prepared on the coating surface can be improved on the surface of the photovoltaic glass, the chemical resistance and the hard film property are improved, and the anti-static effect is achieved.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Example one
The invention provides a production process of dustproof anti-reflection photovoltaic glass, which comprises the following steps:
s1, batching: according to the weight portion, the high-purity quartz sand comprises 70 portions of high-purity quartz sand, 1 portion of aluminum oxide, 0.2 portion of ferric oxide, 8 portions of calcium oxide, 2.5 portions of magnesium oxide, 0.1 portion of cerium oxide, 0.2 portion of antimony trioxide, 0.2 portion of sodium nitrate, 1 portion of antimony oxide, 0.1 portion of nitrate and 0.2 portion of barium carbonate;
s2, melting: heating the mixed materials at 1580-1600 ℃, wherein the melting point is in front of 4 small furnaces, so that the glass can be melted for enough time;
s3, rolling: rolling and cooling the molten glass at about 1100 ℃ by a roller of a rolling mill at a constant speed to reach the required thickness and width, and obtaining a glass plate with the light transmittance of 91.5%;
s4, annealing: placing the formed glass into an annealing kiln, and cooling at a slow speed to eliminate thermal stress in glass production;
s5, cutting: cutting the annealed glass into a required size by a cutting knife;
s6, coating: coating a dustproof anti-reflection coating on the surface of the photovoltaic glass, wherein the coating comprises the following components in parts by weight: 10 parts of fluorocarbon resin, 1 part of silane coupling agent, 3 parts of methyl triethoxysilane and 1 part of acrylic resin; and (3) carrying out pre-curing treatment on the glass plated with the antireflection coating liquid at the treatment temperature of 100 ℃ for 20S.
And S7, tempering the pre-cured glass at 680 ℃ to obtain the tempered dustproof anti-reflection photovoltaic glass.
Example two
The invention provides a production process of dustproof anti-reflection photovoltaic glass, which comprises the following steps:
s1, batching: 75 parts of high-purity quartz sand, 1.25 parts of aluminum oxide, 0.3 part of ferric oxide, 9 parts of calcium oxide, 3 parts of magnesium oxide, 0.15 part of cerium oxide, 0.3 part of antimony trioxide, 0.3 part of sodium nitrate, 1.5 parts of antimony oxide, 0.2 part of nitrate and 0.35 part of barium carbonate;
s2, melting: heating the mixed materials at 1580-1600 ℃, wherein the melting point is in front of 4 small furnaces, so that the glass can be melted for enough time;
s3, rolling: rolling and cooling the molten glass at about 1100 ℃ by a roller of a rolling mill at a constant speed to reach the required thickness and width, and obtaining a glass plate with the light transmittance of 91.5%;
s4, annealing: placing the formed glass into an annealing kiln, and cooling at a slow speed to eliminate thermal stress in glass production;
s5, cutting: cutting the annealed glass into a required size by a cutting knife;
s6, coating: coating a dustproof anti-reflection coating on the surface of the photovoltaic glass, wherein the coating comprises the following components in parts by weight: 10 parts of fluorocarbon resin, 1 part of silane coupling agent, 3 parts of methyl triethoxysilane and 1 part of acrylic resin; and (3) carrying out pre-curing treatment on the glass plated with the antireflection coating liquid at the treatment temperature of 150 ℃ for 25S.
And S7, tempering the pre-cured glass at 700 ℃, and thus obtaining the tempered dustproof anti-reflection photovoltaic glass.
EXAMPLE III
The invention provides a production process of dustproof anti-reflection photovoltaic glass, which comprises the following steps:
s1, batching: according to the weight portion, the material comprises 80 portions of high-purity quartz sand, 1.5 portions of aluminum oxide, 0.4 portion of ferric oxide, 10 portions of calcium oxide, 3.5 portions of magnesium oxide, 0.2 portion of cerium oxide, 0.4 portion of antimony trioxide, 0.4 portion of sodium nitrate, 2 portions of antimony oxide, 0.3 portion of nitrate and 0.5 portion of barium carbonate;
s2, melting: heating the mixed materials at 1580-1600 ℃, wherein the melting point is in front of 4 small furnaces, so that the glass can be melted for enough time;
s3, rolling: rolling and cooling the molten glass at about 1100 ℃ by a roller of a rolling mill at a constant speed to reach the required thickness and width, and obtaining a glass plate with the light transmittance of 91.5%;
s4, annealing: placing the formed glass into an annealing kiln, and cooling at a slow speed to eliminate thermal stress in glass production;
s5, cutting: cutting the annealed glass into a required size by a cutting knife;
s6, coating: coating a dustproof anti-reflection coating on the surface of the photovoltaic glass, wherein the coating comprises the following components in parts by weight: 10 parts of fluorocarbon resin, 1 part of silane coupling agent, 3 parts of methyl triethoxysilane and 1 part of acrylic resin; and (3) carrying out pre-curing treatment on the glass plated with the antireflection coating liquid at the treatment temperature of 200 ℃ for 30S.
And S7, tempering the pre-cured glass at 730 ℃, and thus obtaining the tempered dustproof anti-reflection photovoltaic glass.
The coating is prepared according to the following preparation method, the raw materials are arranged in proportion, fluorocarbon resin is diluted according to the proportion, silane coupling agent is added for heating and mixing, the heating temperature is 80-100 ℃, platinum silicon oxide and tin oxide are added into the mixture after the mixture is cooled to be near the normal temperature, the mixture is continuously stirred and mixed, the melting process is carried out at a continuous high temperature, nitrate and barium carbonate are mainly used for reducing the melting temperature of glass, cerium oxide, antimony trioxide, sodium nitrate and antimony oxide are mainly used for clarifying the glass, bubbles in the glass are removed, the light transmittance of photovoltaic glass is improved, the internal stress is eliminated and balanced when an annealing kiln is used for annealing, the glass plate is prevented from being burst and is beneficial to cutting the glass plate, silicon oxide in the coating is used for forming a network skeleton structure of a coating, and the silane coupling agent is beneficial to increasing the hardness of a film layer, the methyl triethoxysilane is favorable for forming hydrophobicity of a film layer and playing a dustproof effect, the acrylic resin is used for forming pores in the coating and playing an anti-reflection effect, the thickness of the rolled glass is 2.0-3.2mm, and when the surface of the photovoltaic glass is sprayed, the upper surface of the photovoltaic glass is a suede surface and the lower surface of the photovoltaic glass is an embossed surface in a vacuum closed environment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. A production process of dustproof anti-reflection photovoltaic glass is characterized by comprising the following steps:
s1, batching: according to the weight portion, the high-purity quartz sand comprises 70-80 portions of high-purity quartz sand, 1-1.5 portions of aluminum oxide, 0.2-0.4 portion of ferric oxide, 8-10 portions of calcium oxide, 2.5-3.5 portions of magnesium oxide, 0.1-0.2 portion of cerium oxide, 0.2-0.4 portion of antimony trioxide, 0.2-0.4 portion of sodium nitrate, 1-2 portions of antimony oxide, 0.1-0.3 portion of nitrate and 0.2-0.5 portion of barium carbonate;
s2, melting: heating the mixed materials at 1580-1600 ℃, wherein the melting point is in front of 4 small furnaces, so that the glass can be melted for enough time;
s3, rolling: rolling and cooling the molten glass at about 1100 ℃ by a roller of a rolling mill at a constant speed to reach the required thickness and width, and obtaining a glass plate with the light transmittance of 91.5%;
s4, annealing: placing the formed glass into an annealing kiln, and cooling at a slow speed to eliminate thermal stress in glass production;
s5, cutting: cutting the annealed glass into a required size by a cutting knife;
s6, coating: coating a dustproof anti-reflection coating on the surface of the photovoltaic glass, wherein the coating comprises the following components in parts by weight: 10 parts of fluorocarbon resin, 1 part of silane coupling agent, 3 parts of methyl triethoxysilane and 1 part of acrylic resin; pre-curing the glass coated with the anti-reflective coating liquid at a temperature of 100-200-C for 20-300S;
and S7, tempering the pre-cured glass at 680-730 ℃ to obtain the tempered dustproof anti-reflection photovoltaic glass.
2. The production process of the dustproof antireflection photovoltaic glass according to claim 1, wherein the coating is prepared according to the following preparation method, the raw materials are arranged in proportion, fluorocarbon resin is diluted according to the proportion, a silane coupling agent is added for heating and mixing, the heating temperature is 80-100 ℃, after the mixture is cooled to be near normal temperature, platinum silicon oxide and tin oxide are added into the mixture, and the mixture is continuously stirred and mixed.
3. The process for producing dustproof antireflection photovoltaic glass according to claim 1, wherein the melting process is performed at a continuously high temperature, and nitrate and barium carbonate are mainly used for reducing the melting temperature of the glass.
4. The production process of the dustproof antireflection photovoltaic glass according to claim 1, wherein the cerium oxide, the antimony trioxide, the sodium nitrate and the antimony oxide are mainly used for clarifying the glass, and are used for removing bubbles in glass seeds and improving the light transmittance of the photovoltaic glass.
5. The process of claim 1, wherein the annealing lehr is configured to relieve and equalize internal stresses during annealing, to prevent glass sheet cracking and to facilitate glass sheet cutting.
6. The production process of the dustproof antireflection photovoltaic glass according to claim 1, wherein silicon oxide in the coating is used for forming a network skeleton structure of the coating, a silane coupling agent is beneficial to increasing the hardness of the film, methyltriethoxysilane is beneficial to forming the hydrophobicity of the film to achieve a dustproof effect, and acrylic resin is used for forming pores in the coating to achieve an antireflection effect.
7. The production process of the dustproof antireflection photovoltaic glass according to claim 1, wherein the thickness of the calendered and formed glass is 2.0-3.2mm, and the upper surface of the photovoltaic glass is a textured surface and the lower surface of the photovoltaic glass is an embossed surface in a vacuum closed environment when the surface of the photovoltaic glass is sprayed.
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| CN201911147326.6A CN110922054A (en) | 2019-11-21 | 2019-11-21 | Production process of dustproof anti-reflection photovoltaic glass |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111943525A (en) * | 2020-07-04 | 2020-11-17 | 上海博迪装饰材料有限公司 | Preparation process of dustproof toughened glass |
| CN112479598A (en) * | 2020-12-09 | 2021-03-12 | 中建材蚌埠玻璃工业设计研究院有限公司 | Photovoltaic glass processing device and processing method |
| CN114262153A (en) * | 2021-12-03 | 2022-04-01 | 南京索尔玻璃科技股份有限公司 | Production process of embossed solar coated photovoltaic glass |
| CN117285261A (en) * | 2023-08-11 | 2023-12-26 | 江苏辛巴新材料科技股份有限公司 | Photovoltaic glass and preparation method thereof |
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