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Ceramic tile formed by dry pressure slip casting and production method thereof

A technology of grouting molding and production method, which is applied in the field of building ceramics production, can solve the problems of low glaze surface smoothness of finished ceramic tiles, difficult brick powder particles, drying and cracking, etc. degree of effect

Active Publication Date: 2017-01-11
FOSHAN DONGPENG CERAMIC +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The shape of the ceramic powder particles formed by dry granulation is mostly cones and / or cylinders with different particle sizes, instead of forming uniform spherical particles like traditional spray granulation; so that the pressed bricks There are defects such as difficult control of powder particles and rough surface of the blank, which in turn leads to problems such as low smoothness of the glazed surface of the finished tile, poor aesthetic feeling, and low rate of high-quality products; moreover, the stress of the brick is concentrated, and it is easy to dry during the drying and firing process Cracking, high breakage rate, seriously affecting product quality

Method used

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  • Ceramic tile formed by dry pressure slip casting and production method thereof
  • Ceramic tile formed by dry pressure slip casting and production method thereof
  • Ceramic tile formed by dry pressure slip casting and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] The dry pressure grouting ceramic brick of the present embodiment comprises green body 1, as figure 1 As shown, the body 1 includes an adobe layer 11 and a facing layer 12, and the upper surface of the adobe layer 11 has a concave cavity depressed downward;

[0038] The fabric layer 12 is arranged on the upper surface of the brick layer 11 , and the fabric layer 12 fills up the cavity of the brick layer 11 .

[0039] The dry forming process of architectural ceramics is to dry granulate the ground ceramic powder and pour it into a pressing mold, and then press it into a brick by a stamping machine. Because the shape of the ceramic powder particles formed by dry granulation is mostly cones and cylinders with different particle sizes, it does not form uniform spherical particles like traditional spray granulation; so that the pressed bricks have powder. Material particles are not easy to control, rough surface and other defects, and then lead to problems such as low smoot...

Embodiment 2

[0066] The production method of the dry pressure grouting ceramic brick of the present embodiment may further comprise the steps:

[0067] Step 1, calculated in parts by mass, weighed 10 parts of clay, 38 parts of silt, 51 parts of feldspar and 1.2 parts of ceramic additives, dry granulated and pressed into an adobe with a concave cavity on the upper surface, and the concave cavity The depth of the center depression is 4.5mm, and the edge thickness of the adobe is 11mm;

[0068] Step 2, firing the adobe in step 1 at 1020° C. for 30 minutes to obtain a biscuit;

[0069] Step 3: Calculate by mass parts, weigh 10 parts of clay, 38 parts of silt, 51 parts of feldspar and 1.2 parts of ceramic additives, mix and ball mill them into a slurry with a fineness of 300 mesh sieve and a sieve residue of 3-4g / 100ml ;

[0070] Step 4, inject the slurry obtained in step 3 into the concave cavity of the biscuit body obtained in step 2 through the glaze pourer, and the slurry should fill up t...

Embodiment 3

[0076] According to the production method of the dry pressure grouting ceramic brick described in embodiment 1, the ceramic bricks with different depths of the center depression of the concave cavity of the adobe layer 11 are made, and 1000 pieces of ceramic bricks with each center depression depth are produced, and Comparing the breakage rate and flexural strength of ceramic tiles with each center depression depth, the results are shown in Table 1 below:

[0077]

[0078]

[0079] Table 1

[0080] As can be seen from Table 1, when the central depression depth of the concave cavity of the described brick layer 11 is too small, the stress dispersion effect of the described brick layer 11 is not obvious, and the damage rate of the finished ceramic tile is high; when the central depression depth is too large,

[0081] If the thickness of the adobe layer 11 is too small, the strength will decrease and breakage will easily occur. Therefore, the central depression depth of th...

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Abstract

The invention discloses a ceramic tile formed by dry pressure slip casting and a production method thereof. The ceramic tile comprises a blank body which comprises a tile blank layer and a material layer, and a concave cavity which is concave downwards is formed in the upper surface of the tile blank layer. The material layer is arranged on the upper surface of the tile blank layer, and the material layer fills the concave cavity of the tile blank layer. The material layer covers the surface of the tile blank layer, so that the problem of the rough surface of the tile blank body which is formed by a dry method is solved. The surface of the ceramic tile formed by dry pressure slip casting is flat and smooth, and the smoothness of the glaze of a finished ceramic tile is greatly improved. Moreover, the upper surface of the tile blank layer is provided with the concave cavity which is concave downwards, according to the material mechanic principle, the stress of the tile blank layer formed by the dry method is dispersed by the concave cavity, dry cracking is not likely to occur, and the quality of products is improved.

Description

technical field [0001] The invention relates to the field of building ceramics production, in particular to a ceramic brick formed by dry pressure grouting and a production method thereof. Background technique [0002] The dry forming process of architectural ceramics is to dry granulate the ground ceramic powder and pour it into a pressing mold, and then press it into a brick by a stamping machine. The shape of the ceramic powder particles formed by dry granulation is mostly cones and / or cylinders with different particle sizes, instead of forming uniform spherical particles like traditional spray granulation; so that the pressed bricks There are defects such as difficult control of powder particles and rough surface of the blank, which in turn leads to problems such as low smoothness of the glazed surface of the finished tile, poor aesthetic feeling, and low rate of high-quality products; moreover, the stress of the brick is concentrated, and it is easy to dry during the dr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04F13/072E04F13/077B28B1/00B28B1/26B28B3/00B28B11/04
CPCB28B1/004B28B1/265B28B3/00B28B11/044E04F13/142
Inventor 张全亮徐由强
Owner FOSHAN DONGPENG CERAMIC
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