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High solar reflectance ceramic glaze, architectural energy-saving porcelain glazed tile and preparation method thereof

A ceramic glaze and reflectivity technology, applied in the field of building materials, can solve the problems of ineffective reflection of sunlight, low solar reflection index, high radiation absorption, etc., and achieve large-scale industrial production, low brick surface temperature, The effect of high solar reflectance

Active Publication Date: 2021-11-09
FOSHAN OCEANO CERAMICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

To sum up, the current research and products on the market for building energy-saving "cold tiles" are not yet mature, that is, the existing porcelain glazed tile products still cannot effectively reflect sunlight, and have high radiation absorption in the near-infrared region. and low solar reflectance index deficiencies

Method used

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  • High solar reflectance ceramic glaze, architectural energy-saving porcelain glazed tile and preparation method thereof
  • High solar reflectance ceramic glaze, architectural energy-saving porcelain glazed tile and preparation method thereof
  • High solar reflectance ceramic glaze, architectural energy-saving porcelain glazed tile and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A high solar reflectance ceramic glaze, which comprises the following raw material components by weight:

[0030]

[0031]

[0032] A building energy-saving porcelain glazed tile using the high solar reflectance ceramic glaze, which includes a body layer and a glaze layer arranged on the surface of the body layer, the building energy-saving porcelain glazed tile The preparation method is as follows:

[0033] 1) Mix the raw material components of the high solar reflectance ceramic glaze in parts by weight, and use wet ball milling to mix and ball mill until the fineness is 0.3% of the 325 mesh sieve to obtain the high solar reflectance ceramic glaze of Example 1;

[0034] 2) Spread the high solar reflectance ceramic glaze obtained in step 1) on the green body layer of ordinary porcelain tiles to form a surface glaze layer, which is then dried and fired at high temperature in a kiln. The firing temperature is controlled at 1200°C to obtain Embodiment 1 finished pro...

Embodiment 2

[0036] A high solar reflectance ceramic glaze, which comprises the following raw material components by weight:

[0037]

[0038] A building energy-saving porcelain glazed tile using the high solar reflectance ceramic glaze, which includes a body layer and a glaze layer arranged on the surface of the body layer, the building energy-saving porcelain glazed tile The preparation method is as follows:

[0039] 1) Mix the raw material components of the high solar reflectance ceramic glaze in parts by weight, and use wet ball milling to mix and ball mill until the fineness is 0.6% of the 325 mesh sieve to obtain the high solar reflectance ceramic glaze of Example 2;

[0040] 2) Spread the high solar reflectance ceramic glaze obtained in step 1) on the green body layer of ordinary porcelain tiles to form a surface glaze layer, which is then dried and fired at high temperature in a kiln. The firing temperature is controlled at 1150°C to obtain Embodiment 2 finished product.

Embodiment 3

[0042] A high solar reflectance ceramic glaze, which comprises the following raw material components by weight:

[0043]

[0044] A building energy-saving porcelain glazed tile using the high solar reflectance ceramic glaze, which includes a body layer and a glaze layer arranged on the surface of the body layer, the building energy-saving porcelain glazed tile The preparation method is as follows:

[0045] 1) Mix the raw material components of the high solar reflectance ceramic glaze in parts by weight, and use wet ball milling to mix and ball mill until the fineness is 0.5% of the 325-mesh sieve to obtain the high solar reflectance ceramic glaze of Example 3;

[0046] 2) Spread the high solar reflectance ceramic glaze obtained in step 1) on the green body layer of ordinary porcelain tiles to form a surface glaze layer, which is then dried and fired at high temperature in a kiln. The firing temperature is controlled at 1180°C to obtain Embodiment 3 finished product.

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Abstract

The invention discloses a ceramic glaze with high solar reflectance, which comprises the following raw material components in parts by weight: 8-21 parts of aluminate, 15-36 parts of mica, 7-15 parts of scheelite, and 8-36 parts of rutile. 16 parts, 5-15 parts of lithium aluminum silicate, 3-5 parts of quartz, 0.3-1.5 parts of modifier, and 0.5-2 parts of dispersant. The invention has excellent high solar reflectance, heat shock resistance and heat insulation performance, and is especially suitable for the surface glaze of cold ceramic tiles. The building energy-saving porcelain glazed tile of the present invention solves the defects that the existing ordinary porcelain glazed tiles cannot effectively reflect sunlight and do not have building energy-saving effects. It can not only selectively absorb and reflect sunlight in different wavelength ranges, thereby It reduces the energy absorbed by the surface of the building and helps to limit the flow of heat to the internal environment, so that it can effectively block heat under solar radiation and keep the temperature of the brick surface low. It can be used as a "cool tile" on the surface of the building.

Description

technical field [0001] The invention relates to the field of building materials, in particular to a high solar reflectance ceramic glaze, building energy-saving porcelain glazed tiles and a preparation method thereof. Background technique [0002] As cities around the world continue to expand, more and more forests and farms are being replaced by residential buildings. The area of ​​urban green space has been greatly reduced, and the excessive absorption of solar radiation energy by roads and buildings has led to an increase in urban temperature. This effect is called the "urban heat island" phenomenon. The urban heat island effect makes the temperature in the city center 3-5°C higher than that in the surrounding areas. After urban buildings absorb sunlight, the indoor temperature rises, which affects the comfort of people's living, and also increases the cooling energy consumption of buildings. In the next three decades, the urban heat island phenomenon will become increa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C8/00C04B41/86
CPCC03C8/00C04B41/5022C04B41/86
Inventor 张缇柯善军马超田维
Owner FOSHAN OCEANO CERAMICS
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