CN107417096B - Photo-thermal glass and preparation method thereof - Google Patents
Photo-thermal glass and preparation method thereof Download PDFInfo
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- CN107417096B CN107417096B CN201710539188.0A CN201710539188A CN107417096B CN 107417096 B CN107417096 B CN 107417096B CN 201710539188 A CN201710539188 A CN 201710539188A CN 107417096 B CN107417096 B CN 107417096B
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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
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
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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
- C03C4/00—Compositions for glass with special properties
Abstract
The invention discloses photo-thermal glass and a preparation method thereof, wherein the glass is prepared from the following materials in parts by weight: SiO 2230-50 parts of H3BO33-7 parts of Na2B4O710-25 parts of Al2O30.3-1.5 parts of CaO 6-10 parts of MgO 7-15 parts of K21-5 parts of O and Na213 to 20 portions of O and TiO20.4-1.8 parts of Fe2O30.3-0.8 part of B2O35-13 parts of H3BO33 to 9 portions of NaCl, 0.5 to 0.9 portion of CrO30.1-0.7 part and TiO20.15 to 1.3 portions, uniformly mixing the raw materials according to the set proportion, putting the mixture into an electric melting furnace for heating to raise the temperature to 1700-1900 ℃ to obtain molten glass, keeping the temperature for 1 to 2 hours, then carrying out forming treatment, annealing and cooling to obtain finished glass. The invention has high thermal shock resistance, can be recycled and reproduced as a raw material, and has the effects of high solar light transmittance and high energy absorption rate.
Description
Technical Field
The invention belongs to the technical field of glass, and particularly relates to photo-thermal glass and a preparation method thereof.
Background
With the exhaustion of many traditional energy sources, a new energy source with cleaner and more environmental protection must be developed to replace the traditional energy sources. With the maturity of research and development technologies, the solar photo-thermal products produced at the same time emerge. At present, many solar silicon cell panel power generation products have the defects of unstable power generation of photovoltaic products, impact on the safety of a power grid, pollution of cell production and the like. Wind energy is also a problem, is influenced by the natural environment and has impact on the safety of the power grid. The solar photoelectric heat collecting tube can perfectly make up for the defects. The electric energy quality is excellent, and barrier-free grid connection can be directly realized; energy can be stored, the peak can be adjusted, and continuous power generation can be realized; the cost advantage is prominent under the scale effect; clean and pollution-free, and can assist carbon emission reduction. The solar photo-thermal power generation can simultaneously generate hydrogen and other light-gathering solar fuels, and can simultaneously carry out seawater desalination, solar air conditioning, industrial gas and cogeneration.
The solar energy water heater vacuum tube is the core of the solar water heater, the structure of the solar energy water heater vacuum tube is like an elongated thermos flask liner, and vacuum is formed between an inner layer and an outer layer. The outer glass tube mainly plays a role of providing a vacuum space by a protective agent, and in order to ensure that solar radiation energy is absorbed to the maximum extent, the outer vacuum protection tube used on the solar photo-thermal power generation tube has good strength, integrity and light transmittance. The outer vacuum protection tube of the prior art generally has poor light transmittance.
Disclosure of Invention
The invention aims to provide photo-thermal glass and a preparation method thereof, and the photo-thermal glass has high thermal shock resistance, can be used as a raw material for recycling and reproduction, and has the effects of high solar light transmittance and high energy absorption rate.
In order to solve the technical problems, the invention adopts the following technical scheme:
the glass consists of the following materials in parts by weight: SiO 2230-50 parts of H3BO33-7 parts of Na2B4O710-25 parts of Al2O30.3-1.5 parts of CaO 6-10 parts of MgO 7-15 parts of K21-5 parts of O and Na213 to 20 portions of O and TiO20.4-1.8 parts of Fe2O30.3-0.8 part of B2O35-13 parts of H3BO33 to 9 portions of NaCl, 0.5 to 0.9 portion of CrO30.1-0.7 part and TiO20.15 to 1.3 portions.
The glass comprises the following materials in parts by weight: SiO 2240 portions of H3BO35 parts of Na2B4O715 parts of Al2O30.8 part, CaO 8 parts, MgO 10 parts, K2O3 parts, Na2O16 parts, TiO2101 parts of Fe2O30.5 part of B2O38 portions of H3BO35 parts of NaCl, 0.7 part of CrO30.5 part and TiO20.9 part.
A preparation method of the photo-thermal glass comprises the following steps:
the raw materials are uniformly mixed according to a set proportion, then the mixture is put into an electric melting furnace to be heated to the temperature of 1700-1900 ℃ to obtain molten glass, the molten glass is kept at the temperature for 1-2 hours, and then the glass is formed, annealed and cooled to obtain finished glass.
The forming treatment is tube drawing forming, blow forming or press forming.
When the electric melting furnace is heated, three heating regions are arranged, namely a first heating region, a second heating region and a third heating region, wherein the first heating region heats the temperature to 1000-.
The first heating interval is used for heating the temperature to the set temperature and then keeping the temperature for 40-50 minutes, and the second heating interval is used for heating the temperature to the set temperature and then keeping the temperature for 30-40 minutes.
The invention has high thermal shock resistance, can be used as a raw material for recycling and reproduction, has the effects of high solar light transmittance and high energy absorption rate, and has good stability in the production process and stable and excellent quality of finished products.
Detailed Description
The present invention is further described below in conjunction with the following description to facilitate understanding of those skilled in the art.
The invention discloses photo-thermal glass, which consists of the following materials in parts by weight: SiO 2230-50 parts of H3BO33-7 parts of Na2B4O710-25 parts of Al2O30.3-1.5 parts of CaO 6-10 parts of MgO 7-15 parts of K21-5 parts of O and Na213 to 20 portions of O and TiO20.4-1.8 parts of Fe2O30.3-0.8 part of B2O35-13 parts of H3BO33 to 9 portions of NaCl0.5 to 0.9 portion of CrO30.1-0.7 part and TiO20.15 to 1.3 portions.
Example one
The preparation method of the photo-thermal glass comprises the following materials in parts by weight: SiO 2240 portions of H3BO35 parts of Na2B4O715 parts of Al2O30.8 part, CaO 8 parts, MgO 10 parts, K2O3 parts, Na2O16 parts, TiO2101 parts of Fe2O30.5 part of B2O38 portions of H3BO35 parts of NaCl, 0.7 part of CrO30.5 part and TiO20.9 part.
The materials are uniformly mixed, then the mixture is put into an electric melting furnace to be heated to 1700 ℃ to obtain molten glass, the molten glass is kept at the temperature for 2 hours, a tube drawing forming process is adopted to carry out forming treatment, and finished glass is obtained after annealing and cooling.
When the electric melting furnace is heated, three heating sections are provided, namely a first heating section, a second heating section and a third heating section, wherein the first heating section heats the temperature to 1000 ℃ and keeps the temperature for 50 minutes, the second heating section heats the temperature to 1300 ℃ and keeps the temperature for 40 minutes, and the third heating section heats the temperature to 1700 ℃ and keeps the temperature for 2 hours.
Example two
The preparation method of the photo-thermal glass comprises the following materials in parts by weight: SiO 2230 portions of H3BO33 parts of Na2B4O710 parts of Al2O30.3 part, 6-CaO, 7 parts of MgO and K2O1 part, Na2O13 parts, TiO20.4-part of Fe2O30.3-part of B2O35 parts of, H3BO33 parts of NaCl, 0.5 part of CrO30.1 part and TiO20.15 part.
The materials are uniformly mixed, then put into an electric melting furnace to be heated to 1800 ℃ to obtain molten glass, the molten glass is kept at the temperature for 1.5 hours, a blow molding process is adopted to carry out molding treatment, and finished glass is obtained after annealing and cooling.
When the electric melting furnace is heated, three heating sections are provided, namely a first heating section, a second heating section and a third heating section, wherein the first heating section heats the temperature to 1100 ℃ and keeps the temperature for 45 minutes, the second heating section heats the temperature to 1400 ℃ and keeps the temperature for 35 minutes, and the third heating section heats the temperature to 1800 ℃ and keeps the temperature for 1.5 hours.
EXAMPLE III
The preparation method of the photo-thermal glass comprises the following steps ofNumber of materials: SiO 2250 portions of H3BO37 parts of Na2B4O725 parts of Al2O301.5 parts, CaO 10 parts, MgO 15 parts, K2O5 parts, Na2O20 parts, TiO21.8 parts of Fe2O30.8 part of B2O313 parts of, H3BO39 parts of NaCl, 0.9 part of CrO30.7 part by weight and TiO21.3 parts.
The materials are uniformly mixed, then put into an electric melting furnace to be heated to 1900 ℃ to obtain molten glass, the molten glass is kept at the temperature for 1 hour, a compression molding process is adopted to carry out molding treatment, and finished glass is obtained after annealing and cooling.
When the electric melting furnace is heated, three heating sections are provided, namely a first heating section, a second heating section and a third heating section, wherein the first heating section heats the temperature to 1200 ℃ and keeps the temperature for 40 minutes, the second heating section heats the temperature to 1450 ℃ and keeps the temperature for 30 minutes, and the third heating section heats the temperature to 1900 ℃ and keeps the temperature for 1 hour.
It should be noted that the above description is not intended to limit the technical solutions of the present invention, and any obvious alternative is within the protection scope of the present invention without departing from the inventive concept of the present invention.
Claims (6)
1. The photothermal glass is characterized by being prepared from the following materials in parts by weight: SiO 2230-50 parts of H3BO33-7 parts of Na2B4O710-25 parts of Al2O30.3-1.5 parts of CaO 6-10 parts of MgO 7-15 parts of K21-5 parts of O and Na213-20 parts of O and Fe2O30.3-0.8 part of B2O35 to 13 portions of NaCl, 0.5 to 0.9 portion of CrO30.1-0.7 part and TiO20.15 to 1.3 portions.
2. The photothermal glass of claim 1 wherein said glass is composed ofThe material composition in parts by weight is as follows: SiO 2240 portions of H3BO35 parts of Na2B4O715 parts of Al2O30.8 part, CaO 8 parts, MgO 10 parts, K2O3 parts, Na2O16 parts, Fe2O30.5 part of B2O38 parts of NaCl, 0.7 part of CrO30.5 part and TiO20.9 part.
3. A method for producing the photothermal glass according to claim 1 or 2, comprising the steps of:
the raw materials are uniformly mixed according to a set proportion, then the mixture is put into an electric melting furnace to be heated to the temperature of 1700-1900 ℃ to obtain molten glass, the molten glass is kept at the temperature for 1-2 hours, and then the glass is formed, annealed and cooled to obtain finished glass.
4. The method for producing a photothermal glass according to claim 3, wherein the forming treatment is a tube drawing, a blow molding or a press molding.
5. The method for preparing photothermal glass according to claim 4, wherein when heating in the electric melting furnace, three heating zones are provided, which are a first heating zone, a second heating zone and a third heating zone, wherein the first heating zone heats the temperature to 1000-.
6. The method for producing a photothermal glass according to claim 5, wherein the temperature is maintained at the set temperature for 40 to 50 minutes after the temperature is heated in the first heating zone, and the temperature is maintained at the set temperature for 30 to 40 minutes after the temperature is heated in the second heating zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710539188.0A CN107417096B (en) | 2017-07-04 | 2017-07-04 | Photo-thermal glass and preparation method thereof |
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| CN201710539188.0A CN107417096B (en) | 2017-07-04 | 2017-07-04 | Photo-thermal glass and preparation method thereof |
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| CN107417096A CN107417096A (en) | 2017-12-01 |
| CN107417096B true CN107417096B (en) | 2020-08-04 |
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| RU2275341C1 (en) * | 2004-12-20 | 2006-04-27 | Государственное образовательное учреждение высшего профессионального образования "Южно-Российский государственный технический университет (Новочеркасский политехнический институт)", ГОУ ВПО ЮРГТУ (НПИ) | Heat-resistant glass-ceramic cover with devitrified glass structure for nichrome steel and alloy |
| CN101600297A (en) * | 2008-06-03 | 2009-12-09 | 江国庆 | Advanced print circuit board and method thereof |
| CN104318971A (en) * | 2014-10-11 | 2015-01-28 | 中国核动力研究设计院 | Glass matrix composition for medium-low-level radioactive glass fiber, and glass solidified body prepared by glass matrix composition |
| CN104446489A (en) * | 2014-11-13 | 2015-03-25 | 无锡中洁能源技术有限公司 | Matrix material of heat-absorbing body for solar thermal power generation and preparation method of matrix material |
| CN105585249A (en) * | 2016-03-15 | 2016-05-18 | 周玉春 | Boron-containing glass tube |
| CN105601101A (en) * | 2015-10-20 | 2016-05-25 | 晶科能源有限公司 | Photovoltaic glass material, and preparation method and application thereof |
-
2017
- 2017-07-04 CN CN201710539188.0A patent/CN107417096B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2275341C1 (en) * | 2004-12-20 | 2006-04-27 | Государственное образовательное учреждение высшего профессионального образования "Южно-Российский государственный технический университет (Новочеркасский политехнический институт)", ГОУ ВПО ЮРГТУ (НПИ) | Heat-resistant glass-ceramic cover with devitrified glass structure for nichrome steel and alloy |
| CN101600297A (en) * | 2008-06-03 | 2009-12-09 | 江国庆 | Advanced print circuit board and method thereof |
| CN104318971A (en) * | 2014-10-11 | 2015-01-28 | 中国核动力研究设计院 | Glass matrix composition for medium-low-level radioactive glass fiber, and glass solidified body prepared by glass matrix composition |
| CN104446489A (en) * | 2014-11-13 | 2015-03-25 | 无锡中洁能源技术有限公司 | Matrix material of heat-absorbing body for solar thermal power generation and preparation method of matrix material |
| CN105601101A (en) * | 2015-10-20 | 2016-05-25 | 晶科能源有限公司 | Photovoltaic glass material, and preparation method and application thereof |
| CN105585249A (en) * | 2016-03-15 | 2016-05-18 | 周玉春 | Boron-containing glass tube |
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| CN107417096A (en) | 2017-12-01 |
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Address after: 517000 west of jiutang street, high tech Development Zone, Heyuan City, Guangdong Province Patentee after: Guangdong yuanritong Silicon Technology Co.,Ltd. Address before: 517000 west of jiutang street, high tech Development Zone, Heyuan City, Guangdong Province Patentee before: HEYUAN YUANRITONG ENERGY Co.,Ltd. |