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A kind of photothermal glass and preparation method thereof

A glass, photothermal technology, applied in the field of glass, can solve problems such as poor light transmittance, and achieve the effects of stable and excellent finished product quality, high energy absorption rate, and high thermal shock resistance.

Active Publication Date: 2020-08-04
广东源日通硅矿科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The outer vacuum protection tubes in the prior art generally have poor light transmittance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A method for preparing photothermal glass, which comprises the following materials in parts by weight: SiO 2 40 copies, H 3 BO 3 5 parts, Na 2 B 4 o 7 15 parts, Al 2 o 3 0.8 parts, CaO 8 parts, MgO 10 parts, K 2 O 3 parts, Na 2 O 16 parts, TiO 2 101 parts, Fe 2 o 3 0.5 parts, B 2 o 3 8 copies, H 3 BO 3 5 parts, NaCl 0.7 parts, CrO 3 0.5 parts and TiO 2 0.9 servings.

[0018] Mix the above materials evenly, then put them into an electric melting furnace to heat up, raise the temperature to 1700°C to obtain molten glass, and keep it at this temperature for 2 hours, use the drawing tube forming process for forming treatment, anneal and cool to obtain Finished glass.

[0019] Moreover, when heating up in the electric melting furnace, there are three heating zones, which are respectively the first heating zone, the second heating zone and the third heating zone. The first heating zone heats the temperature to 1000°C and keeps it for 50 minutes. The t...

Embodiment 2

[0021] A method for preparing photothermal glass, which comprises the following materials in parts by weight: SiO 2 30 copies, H 3 BO 3 3 parts, Na 2 B 4 o 7 10 parts, Al 2 o 3 0.3 parts, CaO 6-parts, MgO 7 parts, K 2 O 1 part, Na 2 O 13 parts, TiO 2 0.4-parts, Fe 2 o 3 0.3-parts, B 2 o 3 5 copies, H 3 BO 3 3 parts, NaCl 0.5 parts, CrO 3 0.1 part and TiO 2 0.15 servings.

[0022] Mix the above materials evenly, then put them into an electric melting furnace to heat up, raise the temperature to 1800°C to obtain molten glass, and keep it at this temperature for 1.5 hours, use the blow molding process for molding treatment, anneal and cool Obtain finished glass.

[0023] Moreover, when heating up in the electric melting furnace, there are three heating zones, namely the first heating zone, the second heating zone and the third heating zone. The first heating zone heats the temperature to 1100°C and keeps it for 45 minutes. The second heating zone The temp...

Embodiment 3

[0025] A method for preparing photothermal glass, which comprises the following materials in parts by weight: SiO 2 50 copies, H 3 BO 3 7 parts, Na 2 B 4 o 7 25 parts, Al 2 o 3 01.5 parts, CaO 10 parts, MgO 15 parts, K 2 O 5 parts, Na 2 O 20 parts, TiO 2 1.8 parts, Fe 2 o 3 0.8 parts, B 2 o 3 13 copies, H 3 BO 3 9 parts, NaCl 0.9 parts, CrO3 0.7 parts and TiO 2 1.3 servings.

[0026] Mix the above materials evenly, then put them into an electric melting furnace to heat up, raise the temperature to 1900°C to obtain molten glass, and keep it at this temperature for 1 hour, use the compression molding process for molding treatment, anneal and cool to get the finished product Glass.

[0027] Moreover, when heating up in the electric melting furnace, there are three heating zones, which are the first heating zone, the second heating zone and the third heating zone. The first heating zone heats the temperature to 1200°C and keeps it for 40 minutes. The tempe...

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PUM

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Abstract

The invention discloses a photo-thermal glass and a preparation method thereof. The glass is prepared from the following materials in parts by weight: 30-50 parts of SiO2, 3-7 parts of H3BO3, 10-25 parts of Na2B4O7,0.3-1.5 parts of Al2O3, 6-10 parts of CaO, 7-15 parts of MgO, 1-5 parts of K2O, 13-20 parts of Na2O, 0.4-1.8 parts of TiO2, 0.3-0.8 part of Fe2O3, 5-13 parts of B2O3, 3-9 parts of H3BO3, 0.5-0.9 part of NaCl, 0.1-0.7 parts of CrO3 and 0.15-1.3 parts of TiO2, the method comprises the following steps of mixing various raw materials uniformly according to a set ratio, then putting the mixture into an electric melting furnace to heat to enable temperature to rise to 1,700-1,900 DEG C to obtain molten glass, keeping for 1-2 hours at the temperature, and then performing molding treatment to obtain finished glass after annealing and cooling. The photo-thermal glass is resistant to heat and coldness and high in impact strength resistance, can be used as a raw material for recycling and reproduction, and has the effects of high sunlight transmittance and high energy absorptivity.

Description

technical field [0001] The invention belongs to the technical field of glass, in particular to a photothermal glass and a preparation method thereof. Background technique [0002] With the depletion of many traditional energy sources, it is necessary to develop a new energy source that is cleaner and more environmentally friendly to replace the traditional energy sources. With the maturity of research and development technology, solar thermal products emerged as the times require. At present, many solar silicon panel power generation products have the disadvantages of unstable power generation of photovoltaic products, impact on power grid security, battery production pollution and so on. The same problem applies to wind energy, which is affected by the natural environment and has an impact on the security of the power grid. Solar photoelectric heat collectors can perfectly make up for these shortcomings. The power quality is excellent, and it can be directly connected to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C3/064C03C4/00
CPCC03C3/064C03C4/00
Inventor 严文生
Owner 广东源日通硅矿科技股份有限公司
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