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Glazed ceramic tile and its preparation method

A ceramic tile and glazed technology, which is applied in the field of glazed tiles and its preparation, can solve the problems of poor green body strength, less sludge consumption, product bubbling, etc., and achieve an increased firing temperature range, small shrinkage, The effect of solid body surface

Active Publication Date: 2017-08-04
深圳市正源清环境科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The purpose of the present invention is to overcome the above-mentioned deficiencies of the prior art, and provide a glazed ceramic tile and its preparation method to solve the problems of relatively small amount of sludge used in the preparation of ceramic tiles from existing sludge, poor green body strength, and bubbling of the product. , black heart and other phenomena, low yield, high water absorption and other technical problems

Method used

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  • Glazed ceramic tile and its preparation method
  • Glazed ceramic tile and its preparation method
  • Glazed ceramic tile and its preparation method

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preparation example Construction

[0072] Correspondingly, the embodiment of the present invention also provides a preparation method of the above-mentioned glazed ceramic tile. In one embodiment, the process flow chart of the preparation method of the glazed ceramic tile is as follows figure 1 As shown, it includes the following steps:

[0073] Step S01. Preparing blanks and glazes: after pretreating the raw materials according to the components contained in the blanks and glazes, preparing blanks and glazes respectively;

[0074] Step S02. Forming, drying and bisque treatment of the green body: the blank is pressed into a green body and then dried and biscuited in sequence;

[0075] Step S03. Glazing treatment of the green body: performing glazing treatment on the green body after the bisque firing treatment;

[0076] Step S04. Glazing treatment of the green body: performing a glaze firing treatment on the green body after the glazing treatment.

[0077] Specifically, the components contained in the blank ...

Embodiment 1

[0090] A glazed ceramic tile and a preparation method thereof. The glazed ceramic tile is processed from a blank and a glaze, wherein the blank contains the following components by weight percentage: 65% of anaerobic digested sludge, 15% of clay, 10% of wollastonite, and 10% of talc;

[0091] The specific blank general formula chemical composition of the present embodiment is as follows:

[0092]

[0093] The components contained in the glaze by weight percentage are: 85% of frit, 13% of bentonite and 2% of feldspar. Wherein, the formula components of the frit are by weight percentage: 25% of quartz, 25% of feldspar, 10% of dolomite, 10% of talc, 8% of borax, 6% of zinc oxide, 2% of potassium nitrate, zircon 14%.

[0094] The general chemical composition of the glaze is as follows:

[0095]

[0096] The preparation method of the present embodiment 1 glazed ceramic tile is as follows:

[0097] Step S11. Preparation of blanks and glazes: The blanks and glazes of glazed...

Embodiment 2

[0105] A glazed ceramic tile and a preparation method thereof. The glazed tiles are processed from blanks and glazes. Wherein, the components contained in the blank and the glaze and the weight percentage of each component are as in Example 1.

[0106] The preparation method of the present embodiment 2 glazed tiles is as follows:

[0107] Step S21. Preparation of blanks and glazes: The blanks and glazes of glazed ceramic tiles made of anaerobic digested sludge as a main ingredient are subjected to component inspection, batching, ball milling and sieving to remove iron according to the formula. The iron removal process of the blank and the glaze adopts a wet process;

[0108] Step S22. Green body molding: put the green body prepared in step S21 into a brick press and press it, wherein the green body forming pressure is controlled at 10kgf / cm 2 ;

[0109] Step S23. Green body drying: the drying temperature is 105° C., and the drying time is 3 hours.

[0110] Step S24. Bisqu...

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Abstract

The invention discloses a glazed ceramic tile and a preparation method thereof. The glazed ceramic tile is prepared by processing a blank material and glaze, and the blank material comprises the following compositions in percent by weight: 50-75% of anaerobic digestion sludge, 10-25% of clay, 5-15% of wollastonite, and 5-10% of talcum. The glazed ceramic tile preparation method comprises preparing blank and glaze, forming a green body, drying, biscuiting, glazing the green body, performing glaze firing on the green body, and the like. The green body of the glazed ceramic tile is high in strength and small in shrinkage degree when being biscuited, the biscuiting temperature scope of the green body is expanded, and phenomena that the green body surface foams, generates black hearts and is reduced in compressive strength and the like because of too large ignition loss are effectively avoided. The glazed ceramic tile preparation method enables the glazed ceramic tile surface to be solid, flat, free of black heart phenomenon, and high in strength, and also the preparation method is simple and easily controllable in technology, high in yield and high in production efficiency, and production cost is effectively reduced.

Description

technical field [0001] The invention belongs to the fields of environmental solid waste treatment and building material production, and in particular relates to a glazed ceramic tile and a preparation method thereof. Background technique [0002] Sludge is a by-product of urban water supply and sewage treatment process. Because it contains a large amount of pathogens, heavy metals and various organic pollutants, if it is not treated and discharged randomly, it will inevitably cause serious environmental pollution. How to deal with sludge reasonably and achieve the goal of sludge reduction, harmlessness, and resource utilization has become an environmental problem to be solved urgently by my country's urban water supply, sewage treatment plants and related departments. [0003] Studies have shown that the mineral composition of sludge after dehydration and drying is similar to that of depleted clay resources, and it has certain plasticity, sinterability and heat resistance. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B33/132C04B33/34
CPCY02P40/60
Inventor 伍健威尹娟
Owner 深圳市正源清环境科技有限公司
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