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A kind of ultra-white porcelain stoneware and its production process

A porcelain stoneware and ultra-white technology, which is applied in the field of ceramic tile production, can solve problems such as insufficient smoothness, hard surface texture, substandard radioactive inspection, etc., and achieve the effect of saving energy consumption

Inactive Publication Date: 2015-07-29
SHENYANG SHUNXIN CERAMIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, in order to achieve the effect of whitening in the ceramic industry, certain chemical raw materials such as zirconium silicate are added, so that there will often be problems of radioactive inspection not up to standard, and the surface texture looks very stiff, and the smoothness after polishing is not enough.

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] The present invention is described in conjunction with specific embodiments.

[0014] An ultra-white porcelain stoneware brick, the porcelain stoneware is composed of wollastonite 25%, potassium sand 10%, bauxite 15%, kaolin 5%, potassium feldspar 21%, albite feldspar 21%, talc 3% by weight. %.

[0015] The production process of this porcelain stoneware is as follows:

[0016] Step 1. Ball milling is the process of grinding the above-mentioned raw materials to achieve the required fineness and uniform composition. At the same time, in order to promote ball milling, 34% to 37% of water must be added to the ball milling process for sand mixing. The ground raw materials enter the sedimentation tank for sedimentation Then enter the drying tower to dry;

[0017] Step 2. Spray granulation. In the spray drying tower, the 600°C hot air sent downward by the hot blast stove and the mud sprayed upward are fully convected to dry and granulate; the hollow raw material particles ar...

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PUM

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Abstract

Ultrawhite stoneware is disclosed. The ultrawhite stoneware comprises, by weight, 25% of aedelforsite, 10% of potassium sand, 15% of aluminous soil, 5% of kaolin, 21% of potash feldspar, 21% of albite and 3% of talcum. The production process of the stoneware includes steps of: 1) ball milling, 2) performing spray granulation, 3) feeding into a powder storage bin, 4) performing compression moulding, 5) sintering and 6) examining. Beneficial effects of the ultrawhite stoneware and the production process are that: the whiteness of the product is higher than 53 degrees, and the product is free of chemical raw materials harmful to human health such as zirconium silicate so that the product is free of a problem of radioactivity exceeding the standards. The formula structure of the product is formed by low-temperature quick sintering, thus largely saving energy consumption.

Description

technical field [0001] The invention belongs to the technical field of ceramic tile production, and in particular relates to an ultra-white porcelain stoneware and a production process thereof. Background technique [0002] With the continuous improvement of people's living standards, the requirements for ceramic tiles are also getting higher and higher. At present, in order to achieve the effect of whitening in the ceramic industry, certain chemical raw materials such as zirconium silicate are added, so that there will often be problems of radioactive inspection not up to standard, and the surface texture looks very stiff, and the smoothness after polishing is not enough. Contents of the invention [0003] Aiming at the deficiencies of the prior art, the present invention provides an ultra-white porcelain stoneware tile and its production process, so that the whiteness of the tile is higher than 53 degrees. [0004] In order to achieve the above object, the present inven...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/16C04B35/622C04B41/86
Inventor 蒋文献
Owner SHENYANG SHUNXIN CERAMIC