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Solar heat reflective heat insulating and preserving foaming ceramic material and manufacturing method thereof

A technology of foaming ceramics, heat insulation and heat preservation, applied in the production of ceramic materials, ceramic products, clay products, etc., can solve the problems of bonding strength influence, cumbersome process, poor weather resistance, etc., achieve low production cost, reasonable and scientific preparation method The effect of craft

Inactive Publication Date: 2013-01-09
EAST CHINA UNIV OF SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The reflective coating has a high reflectivity to solar heat, so it has a cooling function. However, because the reflective coating belongs to a polymer resin film, it is easy to age and has poor weather resistance.
[0007] Chinese patent CN101293789A discloses a preparation method of a high solar reflection heat insulation material, which is characterized in that ceramics are used as the substrate, and metal paint is applied as a heat reflection coating. The preparation method belongs to the secondary coating method, but due to the The method needs to clean the ceramic substrate, the process is cumbersome, and the bonding strength is easily affected

Method used

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  • Solar heat reflective heat insulating and preserving foaming ceramic material and manufacturing method thereof
  • Solar heat reflective heat insulating and preserving foaming ceramic material and manufacturing method thereof
  • Solar heat reflective heat insulating and preserving foaming ceramic material and manufacturing method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0044]Prepare foamed ceramic matrix materials according to mass percentage: 40wt% coal gangue, 40wt% feldspar, 10wt% clay, and 10wt% hematite. After the raw ore is crushed, add it to a ball mill, add water and mix it for wet grinding, and then spray dry the slurry The foamed ceramic matrix granulate is obtained and stored for future use.

[0045] Prepare the solar heat reflection layer material by mass percentage: coal gangue 17wt%, feldspar 30wt%, clay 20wt%, ilmenite ore 10wt%, low-temperature porcelain stone 5wt%, zirconium silicate 15wt%, inorganic synthetic pigment (silicic acid The zirconium-based synthetic yellow pigment is Huachang company product SR25301) 3wt%. After the raw ore material is crushed, it is added to a ball mill, mixed with water and wet-milled, and then the slurry is spray-dried to obtain a solar heat reflection layer granulated material, which is stored for future use.

[0046] The granulated material of the above-mentioned foamed ceramic matrix is ​​d...

Embodiment 2

[0049] Prepare the foamed ceramic matrix material according to mass percentage: 20% of coal gangue, 40wt% of feldspar, 20wt% of low-temperature porcelain stone, 15wt% of clay, and 5wt% of hematite. After crushing the raw ore material, add it to a ball mill, add water and mix it for wet grinding, Then the slurry is spray-dried to obtain a foamed ceramic matrix granulate, which is stored for future use.

[0050] Prepare the solar heat reflective layer material by mass percentage: feldspar 35wt%, clay 25wt%, ilmenite ore 10wt%, low-temperature porcelain stone 15wt%, zirconium silicate 15wt%, inorganic synthetic pigment (zirconium silicate base synthetic blue Pigment, product of Huachang Company SR22508) 2wt%, raw ore material is crushed and added to a ball mill, mixed with water and wet-milled, then the slurry is spray-dried to obtain a solar heat reflective layer granulated material, which is stored for future use.

[0051] The granulated material of the above-mentioned foamed c...

Embodiment 3

[0054] Prepare the foamed ceramic matrix material according to mass percentage: 20%wt% of coal gangue, 25%wt% of fly ash, 30wt% of feldspar, 20wt% of clay, and 3wt% of hematite ore. Add the raw ore material to the ball mill after crushing, add water mixing and wet grinding, and then spray drying the slurry to obtain a foamed ceramic matrix granulate, which is stored for future use.

[0055] Prepare solar heat reflection layer material by mass percentage: feldspar 27wt%, clay 25wt%, ilmenite ore 10wt%, coal gangue 15wt%, low-temperature porcelain stone 15wt%, zirconium silicate 8wt%, inorganic synthetic pigment (silicic acid Zirconium-based synthetic red material, Huachang company product SR23560) 1wt%, the raw ore material is crushed and put into a ball mill, mixed with water and wet-milled, and then the slurry is spray-dried to obtain a solar heat reflection layer granulated material, which is stored for future use.

[0056] The granulated material of the above-mentioned foam...

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Abstract

The invention relates to a solar heat reflective heat insulating and preserving foaming ceramic material and a manufacturing method thereof, belonging to the field of the preparation of an energy-saving ceramic material. The manufacturing method comprises the following steps of: preparing a closed pore ceramic matrix by adding an amount of low-cost minerals to industrial wastes such as coal gangues, pulverized fuel ash and the like, compounding a solar heat reflecting layer composed of inorganic materials in situ in the preparation process, and carrying out primary sintering to obtain a heat insulating and preserving integrated material which has ideal heat insulating and preserving performance, noise reduction performance and the like. The invention combines the solar heat reflection function, the structural functions of porous materials and the heat transfer and noise reduction characteristics of porous materials, and the manufactured foaming ceramic material has smaller heat transfer coefficient, higher solar heat reflectivity, favorable corrosion prevention and high-temperature resistance and excellent mechanical properties, weather resistance and sound insulation performance.Besides, the process of the manufacturing method is simple, procedures can be adjusted easily, and materials are easy to acquire, thereby facilitating application and popularization.

Description

【Technical field】 [0001] The invention relates to the technical field of energy-saving ceramic materials and their manufacture, in particular to a solar heat reflection, heat-insulation and thermal insulation foaming ceramic material and a manufacturing method thereof. 【Background technique】 [0002] At present, the growth rate of energy consumption in the world far exceeds the growth rate of population, energy crisis, CO 2 Emissions, global warming and other issues are all related to energy consumption. Therefore, the requirements for energy conservation and emission reduction in countries around the world are increasing day by day. [0003] Among all energy consumption, building energy consumption accounts for a high proportion of the total energy consumption of society. At present, in western developed countries, building energy consumption generally accounts for 30% to 45% of the total social energy consumption, and it also accounts for 20% to 25% in my country. Theref...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B33/00C04B33/135C04B33/132C04B38/00
CPCY02P40/60
Inventor 黄建国刘坐镇
Owner EAST CHINA UNIV OF SCI & TECH
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