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Intelligent temperature-adjusting decorative ceramic plate and preparation method thereof

An intelligent temperature-adjusting and decorative board technology, applied in the field of architectural ceramic decoration, can solve the problems of affecting the rapid heat conduction, the surface of the brick body is not wear-resistant, and the strength of the shaped phase change material is low.

Active Publication Date: 2020-10-20
新明珠(广东)新材料有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The design of the above-mentioned phase-change temperature-regulating tiles not only increases the thickness and complexity of the structure, affects the rapid conduction of heat, but also may cause the surface of the tile body to be non-wearable or unattractive
[0004] Combining phase change materials with porous substances is a common method for preparing shaped phase change materials, but due to the high porosity of the selected porous ceramics, the porosity of the porous supports in CN107011868A and CN109321208A is about 70 to 90 after conversion. %, high porosity will lead to low strength of the prepared phase change material, which cannot bear the load alone in use, and needs other structures to assist support, which greatly limits its application scenarios
At the same time, because there is no wear-resistant decorative layer on the surface, the application range is greatly limited

Method used

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  • Intelligent temperature-adjusting decorative ceramic plate and preparation method thereof
  • Intelligent temperature-adjusting decorative ceramic plate and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Preparation of intelligent temperature-regulating decorative ceramic plates:

[0036] (a) Weigh 300kg of kaolin, 150kg of calcined bauxite, 18kg of mineralizing agent aluminum fluoride, 18kg of sintering aid molybdenum oxide and 24kg of reinforcing agent silicon carbide (average particle size is 10 μm), put them in a ball mill jar, add water and ball milled for 12 hours to obtain a ceramic slurry with a median diameter of 7.0 μm, which was then dried by a spray tower to obtain green body powder. Wherein, the mass fraction of alumina in the chemical composition of kaolin is higher than 32%, while the mass fraction of alumina in the chemical composition of the calcined bauxite is between 55% and 80% (mass fraction), and the content of titanium oxide and iron oxide The total is less than 4% (mass fraction).

[0037] (b) Press the green body powder obtained in step (a) into a ceramic green body by a press, the pressing pressure is 20 MPa, and the holding time is 10 s.

[...

Embodiment 2

[0042] Preparation of intelligent temperature-regulating decorative ceramic plates:

[0043] (a) Weigh 300kg of kaolin, 150kg of calcined bauxite, 13kg of mineralizing agent aluminum fluoride, 22kg of sintering aid molybdenum oxide and 25kg of reinforcing agent silicon carbide (average particle size is 10μm), put them in a ball mill jar, add water and ball milled for 12 hours to obtain a ceramic slurry with a median diameter of 7.0 μm, which was then dried by a spray tower to obtain green body powder. Wherein, the mass fraction of alumina in the chemical composition of kaolin is higher than 32%, while the mass fraction of alumina in the chemical composition of the calcined bauxite is between 55% and 80% (mass fraction), and the content of titanium oxide and iron oxide The total is less than 4% (mass fraction).

[0044] (b) Press the green body powder obtained in step (a) into a ceramic green body through a press, the pressing pressure is 25MPa, and the holding time is 6s;

...

Embodiment 3

[0049] Preparation of intelligent temperature-regulating decorative ceramic plates:

[0050] (a) Weigh 300kg of kaolin, 150kg of calcined bauxite, 18kg of mineralizing agent aluminum fluoride, 18kg of sintering aid cerium oxide and 24kg of reinforcing agent silicon carbide (average particle size is 10 μm), place them in a ball mill jar, add water and ball milled for 18 hours to obtain a ceramic slurry with a median diameter of 6.5 μm, which was then dried by a spray tower to obtain green body powder. Wherein, the mass fraction of alumina in the chemical composition of kaolin is higher than 32%, while the mass fraction of alumina in the chemical composition of the calcined bauxite is between 55% and 80% (mass fraction), and the content of titanium oxide and iron oxide The total is less than 4% (mass fraction).

[0051] (b) Press the green body powder obtained in step (a) into a ceramic green body through a press, the pressing pressure is 20MPa, and the holding time is 7s;

[...

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Abstract

The invention discloses an intelligent temperature-adjusting ceramic decorative plate and a preparation method thereof. The intelligent temperature adjustment ceramic decorative plate comprises a ceramic phase change composite decorative layer, a graphene heating film and a heat insulation layer, the ceramic phase change composite decorative layer is formed by compounding a phase change material and a whisker reinforced porous ceramic decorative plate through a melt infiltration process, and phase change temperature adjustment, bearing and decoration functions are integrated. The preparation method comprises the following steps: preparing the high-strength high-porosity whisker reinforced porous ceramic decorative plate; melting and infiltrating the phase change material to prepare the ceramic phase change composite decorative layer; and the ceramic phase change composite decorative layer, the graphene heating film and the heat insulation layer are bonded and compounded. Compared withthe prior art, the preparation method has the following advantages: the phase change material and the decorative plate are compounded into a whole, so the structure is simplified, the thickness is reduced, and efficient heat transfer is facilitated; and meanwhile, the graphene heating film is assisted, so efficient heating can be achieved when the air temperature is cold, the indoor temperature stability is improved, and the heating power utilization cost is saved.

Description

technical field [0001] The invention belongs to the technical field of architectural ceramic decoration, and mainly relates to an intelligent temperature-regulating decorative ceramic plate and a preparation method thereof. Background technique [0002] As a physical and chemically stable, durable and wear-resistant building decoration material, ceramic tiles are widely used in the field of construction and home furnishing. In recent years, many functional tiles have appeared on the market. function. Indoor temperature is an important indicator of the comfort of a building's home environment. When the outside temperature is low, it is necessary to use equipment for heating. Combining phase change materials with building materials can absorb or release a large amount of latent heat during the constant temperature phase change process. The principle can reduce the fluctuation of indoor temperature and delay the loss of heat. At the same time, by using the electric energy in t...

Claims

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Application Information

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IPC IPC(8): C04B33/13C04B33/34C04B33/36C04B38/02C04B41/82B32B9/00B32B9/04B32B27/40B32B27/06B32B7/12B32B33/00B32B3/24
CPCC04B33/36C04B33/13C04B33/131C04B33/34C04B38/02C04B41/009C04B41/478C04B41/82B32B9/005B32B9/007B32B9/04B32B9/045B32B7/12B32B27/40B32B3/266B32B33/00C04B2235/3217C04B2235/3256C04B2235/3826C04B2235/5276C04B2235/3232B32B2307/304B32B2307/302B32B2307/72C04B38/0054C04B41/4523C04B41/457Y02E60/14
Inventor 叶德林马杰陈然简润桐黄佳奇王亚婕刘世明
Owner 新明珠(广东)新材料有限公司
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