Ceramic polished tile and manufacturing method thereof

A technology for ceramic polished tiles and ceramic tiles, which is applied in the field of ceramic industry, can solve the problems of not having high requirements for appearance, not being ceramic polished tiles, etc., and achieve the effects of saving cost, improving efficiency and increasing strength

Active Publication Date: 2012-08-08
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, some varieties of special ceramics also have high iron oxide content. For example, in the Chinese invention patent 03802727.5 ceramic and ceramic manufacturing method, the iron oxide content used exceeds 0.5%, but the ceramic is a black functional ceramic, not a ceramic polished tile. It only needs its dark appearance to avoid light scattering, and does not have high requirements for its appearance

Method used

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  • Ceramic polished tile and manufacturing method thereof
  • Ceramic polished tile and manufacturing method thereof
  • Ceramic polished tile and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The chemical composition of the raw materials at the bottom of the polished tiles in the first step is:

[0022]

[0023] In the second step, the chemical composition determined in the first step is converted into the raw material formula to be used, and the powder used for the bottom layer of the polished tile is obtained through batching-ball milling-slurry aging-spray drying-homogenization.

[0024] In the third step, the prepared powder for the surface layer of polished tiles and the powder for the bottom layer obtained in the second step are distributed through a computer-controlled secondary distribution system, and are dry-pressed under a pressure of 30 MPa to make a surface. A square green body with a layer thickness of 3 mm, a base layer thickness of 9 mm, and a side length of 680 mm.

[0025] In the fourth step, after drying the green body obtained in the third step, it is fired in a roller kiln at a firing temperature of 1200° C. and a firing cycle of 70 m...

Embodiment 2

[0029] The chemical composition of the bottom layer of the polished tile in the first step is:

[0030]

[0031] In the second step, the chemical composition determined in the first step is converted into the raw material formula to be used, and the powder used for the bottom layer of the polished tile is obtained through batching-ball milling-slurry aging-spray drying-homogenization.

[0032] In the third step, the prepared powder for the surface layer of polished tiles and the powder for the bottom layer obtained in the second step are distributed through a computer-controlled secondary distribution system, and are dry-pressed under a pressure of 30 MPa to form a The thickness of the surface layer is 3mm, the thickness of the bottom layer is 9mm, and the square green body with a side length of 680mm.

[0033] In the fourth step, after drying the green body obtained in the third step, it is fired in a roller kiln at a firing temperature of 1180° C. and a firing cycle of 60...

Embodiment 3

[0037] The chemical composition of the raw materials at the bottom of the polished tiles in the first step is:

[0038]

[0039] In the second step, the chemical composition determined in the first step is converted into the raw material formula to be used, and the powder used for the bottom layer of the polished tile is obtained through batching-ball milling-slurry aging-spray drying-homogenization.

[0040] In the third step, the prepared powder for the surface layer of polished tiles and the powder for the bottom layer obtained in the second step are distributed through a computer-controlled secondary distribution system, and are dry-pressed under a pressure of 30 MPa to form a The thickness of the surface layer is 3mm, the thickness of the bottom layer is 9mm, and the square green body with a side length of 680mm.

[0041] In the fourth step, after drying the green body obtained in the third step, it is fired in a roller kiln at a firing temperature of 1170° C. and a fi...

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Abstract

The invention discloses a ceramic polished tile and a manufacturing method thereof. The ceramic polished tile with a two-layer structure of a bottom layer and a surface layer is prepared by processes of secondary material distribution, dry pressing forming, roller kiln sintering, mechanical polishing and the like, wherein the content of iron oxide in the bottom layer is 0.5 to 3.0 mass percent, and the content of the iron oxide in the surface layer is less than 0.5 mass percent. By the method, a large number of low-quality ceramic raw materials with abundant reserves and high iron content canbe utilized, so that high-quality ceramic raw materials are obviously saved, production cost is reduced, the sustainable development of the ceramic industry is facilitated, and the ceramic polished tile which has the characteristics of low water absorption rate, high strength and the like is manufactured simultaneously.

Description

technical field [0001] The invention mainly relates to the field of ceramic industry, in particular to a ceramic polished tile and a preparation method thereof. Background technique [0002] Ceramic polished tiles have the characteristics of low porosity, good mechanical properties, chemical corrosion resistance, frost resistance and wear resistance. Since their appearance, they have been favored by people for their beauty and high strength. After technological progress in recent years, the production of polished tiles has widely used new technologies such as multiple cloths, computer-controlled random cloths, micro-powder technology, and roller printing bleeding. Some products are almost identical in appearance to precious varieties of stone. Due to its good decorative effect and reliable quality, polished tiles are becoming more and more popular among consumers, and have become the product with the largest output, the highest output value and added value among ceramic wal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04F13/14C04B35/14C04B35/622B28B1/00
Inventor 吴建青康德飞朱法银谢平波彭诚
Owner SOUTH CHINA UNIV OF TECH
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