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Ultra-low temperature sintered ceramic tiles and preparation method thereof

A technology of ultra-low temperature and ceramic tiles, which is applied in the field of architectural ceramics. It can solve problems such as difficulty in guaranteeing product performance indicators, shortening the firing temperature range, and easy deformation and brittleness of products. wide range of effects

Active Publication Date: 2013-02-13
JINGDEZHEN CERAMIC UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method has the following technical defects: when the green body is close to the lowest eutectic point, there is no liquid phase formation, but once it reaches the lowest eutectic point temperature, a large amount of liquid phase suddenly appears, and the amount of liquid phase increases rapidly with the increase of temperature. resulting in rapid deformation of the porcelain body
Therefore, this method in the prior art reduces the sintering temperature while also shortening the firing temperature range. Usually, the firing temperature range is very narrow and only about 30°C. The product is easily deformed and brittle, so it is difficult to ensure that the product is various performance indicators

Method used

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  • Ultra-low temperature sintered ceramic tiles and preparation method thereof
  • Ultra-low temperature sintered ceramic tiles and preparation method thereof
  • Ultra-low temperature sintered ceramic tiles and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] 1. The ultra-low temperature sintered tiles of this embodiment are composed of raw materials by weight percentage:

[0026] Lithium china stone 35%, low temperature sand 20%, potassium albite feldspar 23%, nepheline 5%, talc 5%, mixed soil 5%, washed pure mud 5%, boronite 2%.

[0027] 2. The preparation method of ultra-low temperature sintered tiles in this embodiment is as follows:

[0028] (1) Add the above-mentioned raw materials in the ball mill, mix and carry out ball milling according to raw materials: ball: water=1: 2.0: 0.8;

[0029] (2) Sieving, drying, granulating, and compression molding are carried out successively;

[0030] (3) Firing at a firing temperature range of 1050-1120°C, the total firing time is 60 minutes, and the holding time is 15 minutes to obtain the product.

[0031] The blank form of the obtained green body is:

[0032]

[0033] 3. Product technical indicators:

[0034] Flexural strength: 56.47Mpa; deformation rate: less than 5%; ther...

Embodiment 2

[0036] 1. The ultra-low temperature sintered tiles of this embodiment are composed of raw materials by weight percentage:

[0037] 30% lithium china stone, 30% low temperature sand, 18% potassium albite feldspar, 10% nepheline, 4% talc, 6% mixed soil, and 2% boronite.

[0038] 2. The preparation method of ultra-low temperature sintered tiles in this embodiment is as follows:

[0039] (1) Add the above-mentioned raw materials in the ball mill, mix and carry out ball milling according to raw materials: ball: water=1: 1.5: 0.6;

[0040] (2) Sieving, drying, granulating, and compression molding are carried out successively;

[0041] (3) Firing at a firing temperature range of 1060-1120°C, the total firing time is 50 minutes, and the holding time is 20 minutes to obtain the product.

[0042] The blank form of the obtained green body is:

[0043]

[0044] 3. Product technical indicators:

[0045] Flexural strength: 52.44Mpa; deformation rate: less than 5%; thermal stability, re...

Embodiment 3

[0047] 1. The ultra-low temperature sintered tiles of this embodiment are composed of raw materials by weight percentage:

[0048] Lithium china stone 30%, low temperature sand 25%, potassium albite feldspar 15%, nepheline 12%, talc 5%, mixed soil 6%, washed pure mud 4%, boronite 3%.

[0049] 2. The preparation method of ultra-low temperature sintered tiles in this embodiment is as follows:

[0050] (1) Add the above-mentioned raw materials in the ball mill, mix and carry out ball milling according to raw materials: ball: water=1: 1.6: 0.7;

[0051] (2) Sieving, drying, granulating, and compression molding are carried out successively;

[0052] (3) Firing at a firing temperature range of 1060-1120°C, the total firing time is 70 minutes, and the holding time is 10 minutes to obtain the product.

[0053] The blank form of the obtained green body is:

[0054]

[0055] 3. Product technical indicators:

[0056] Flexural strength: 68.42Mpa; deformation rate: less than 5%; the...

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Abstract

The invention discloses ultra-low temperature sintered ceramic tiles and a preparation method thereof. The green tiles have a composite solvent system, so eutectic point is improved; the advanced sintering and gradual occurrence of a liquid phase with high viscosity in areas at different sintering temperatures reduce the sintering temperature greatly and enlarges the range of the sintering temperature of the green tiles; and thus, the performance indexes of the product are guaranteed. The preparation method of the invention fulfills the aim of energy conservation and consumption reduction, greatly reduces the emission of CO2 waste gas, can create economic and social benefit, has a great significance for protecting natural environment and contributes to the sustained development of industrial production.

Description

technical field [0001] The invention relates to the technical field of architectural ceramics, in particular to an ultra-low temperature sintered ceramic tile and a preparation method thereof. Background technique [0002] The annual output of my country's architectural ceramic products is about 3 billion square meters. Calculated by the weight of 20-24 kg per square meter, the annual consumption of mud and ore materials is 60-72 million tons. Based on the fuel consumption of 1.4 to 1.5 liters per square meter of product, the annual fuel consumption will reach 420 to 450 million liters. Ceramic tiles (such as vitrified tiles) are one of the main products of architectural ceramics. Because of their high strength, corrosion resistance, and generous appearance, they are widely used in household, living, entertainment and other fields. At present, the production and preparation of this type of ceramic tile is usually carried out at a firing temperature of 1150-1220° C., and the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/16C04B35/622
Inventor 周健儿汪永清刘昆胡海泉
Owner JINGDEZHEN CERAMIC UNIV
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