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Method for preparing matte dry grain glazed tiles

A dry glaze and matte technology, which is applied in the field of ceramics, can solve the problems of easy dirt sticking, dirt absorption, and strength decline on the surface, and achieve the effects of improving antifouling performance, reducing product defects, and increasing product strength

Active Publication Date: 2021-03-12
HEYUAN DONGYUAN EAGLE CERAMICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This process is mostly used on antique brick products to decorate the surface texture of the product. However, due to the uneven surface of the product, the gap between the dry particles may be large or small, and the surface is easy to get dirty and absorb dirt after paving in the product.
At the same time, due to defects in the preparation process, its strength will decrease

Method used

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  • Method for preparing matte dry grain glazed tiles
  • Method for preparing matte dry grain glazed tiles

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Follow the steps below to prepare dry grain glazed tiles:

[0033] 1. After the first drying of the bricks laid by the press, the drying temperature is controlled at 90°C and the drying time is 120 minutes to remove the free water inside, so that the moisture content of the bricks is less than 0.5%. A layer of water film is formed on the surface, and the amount of sprayed water mist is 120g / m 2 ;

[0034] 2. Then pour the bottom glaze on the surface of the green body, the amount of glaze is 87g (340*670 tray); the bottom glaze includes SiO in mass percentage 2 40%, Al 2 o 3 15%, CaO10%, MgO8%, ZnO15%, K 2 O6%, Na 2 O3%, BaO3%; then use an inkjet machine to print the pattern, and then dry it in a second drying kiln. The drying temperature is controlled at 200 ° C and the time is 20 minutes;

[0035]3. Spray dry granular glaze; the flow rate of dry granular glaze is 26s, the specific gravity is 1.27g / ml, the amount of glaze is 67g (340*670 tray), and the fineness is...

Embodiment 2

[0042] Follow the steps below to prepare dry grain glazed tiles:

[0043] 1. After the first drying of the adobe made by the press, the drying temperature is controlled at 110°C and the time is 60 minutes to remove the free water inside, so that the moisture content of the adobe is less than 0.5%. After the adobe leaves the drying kiln, spray water on its surface, A layer of water film is formed on the surface, and the amount of sprayed water mist is 140g / m 2 ;

[0044] 2. Then pour the bottom glaze on the surface of the body, the amount of glaze is 93g (340*670 tray); the bottom glaze includes SiO in mass percentage 2 55%, Al 2 o 3 13%, CaO8%, MgO5%, ZnO10%, K 2 O5%, Na 2 O2%, BaO2%; then use an inkjet machine to print the pattern, and then dry it in a second drying kiln. The drying temperature is controlled at 300 ° C and the time is 10 minutes;

[0045] 3. Spray dry granular glaze; the flow rate of dry granular glaze is 31s, the specific gravity is 1.23g / ml, the amoun...

Embodiment 3

[0052] Follow the steps below to prepare dry grain glazed tiles:

[0053] 1. After the first drying of the adobe made by the press, the drying temperature is controlled at 100°C and the time is 130 minutes to remove the free water inside, so that the moisture content of the adobe is less than 0.5%. After the adobe leaves the drying kiln, spray water on its surface, A layer of water film is formed on the surface, and the amount of sprayed water mist is 130g / m 2 ;

[0054] 2. Then pour the bottom glaze on the surface of the green body, the amount of glaze is 90g (340*670 tray); the bottom glaze includes SiO in mass percentage 2 54%, Al 2 o 3 10%, CaO9%, MgO7%, ZnO14%, K 2 O4%, Na 2 O1%, BaO1%; then spray the pattern with an inkjet machine, and then dry it in a second drying kiln. The drying temperature is controlled at 250°C and the time is 15 minutes;

[0055] 3. Spray dry granular glaze; the flow rate of dry granular glaze is 29s, the specific gravity is 1.25g / ml, the am...

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Abstract

The invention provides a method for preparing a matte dry granular glazed brick. The method comprises the following steps: carrying out first drying on a green brick made by a pressing machine, removing free water in the green brick, and controlling the water content in the green brick to be smaller than 0.5 percent of the total weight of the green brick; spraying water mist to the surface of thegreen brick after taking the green brick out of a dry kiln; then sprinkling ground glaze to the surface of the green body, then spraying and painting patterns by using an ink jet machine, and carryingout second drying through the dry kiln; spraying dry granular glaze, putting in a firing kiln after carrying out third drying of the dry kiln, and firing at a high temperature of 1170 to 1185 DEG C for 60 to 70 minutes, thus obtaining a semi-finished product; edging the semi-finished product, flexibly polishing the semi-finished product by using a fiber polishing module combination, and packaginginto a finished product after checking the quality. According to the method provided by the invention, the prepared matte dry granular glazed brick has a vivid stone texture, and meanwhile, the touchsense is mild as jade.

Description

technical field [0001] The invention relates to the field of ceramics, in particular to a method for preparing matte dry grain glazed tiles. Background technique [0002] In recent years, the market share of modern antique bricks is getting higher and higher, and the cultural elements such as the sense of history, nostalgia, nature, return, and individuality and the fashionable and popular styles revealed by it have gradually gained more and more attention. attention and recognition. Matte and soft dry grain glazed tiles are an upgraded product of modern antique tiles. It not only inherits the unique cultural elements of antique tiles and the super hardness of polished tiles, but also endows them with a more realistic stone texture, and at the same time feels warm and moist. Jade, without the cold feeling of stone. [0003] There are many such products on the market at present, just simply mix dry granules and suspending agent in a certain proportion, and spray evenly on t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B41/89C03C8/00
CPCC03C8/00C04B41/52C04B41/89C04B2235/96C04B2235/963C04B41/504C04B41/5022C04B41/0072
Inventor 吴则昌程贵生邓荣肖春燕李丽芳
Owner HEYUAN DONGYUAN EAGLE CERAMICS CO LTD
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