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Medium-temperature black-body ceramic and preparation method thereof

A black-bodied, medium-temperature technology, applied in the field of medium-temperature black-bodied porcelain and its preparation, can solve the problems of disordered mining, waste of resources, limited kaolin, etc., and achieve strong surface artistic effects, high firing rate, and stable product performance. Effect

Active Publication Date: 2018-08-24
醴陵市科镭陶瓷釉料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The current ceramic body, whether it is white porcelain or stoneware, blindly requires the lower the iron content, the better, but this kind of high-quality china clay, kaolin is limited, and the mining is disorderly, so that a high-quality Once the china clay kaolin mine was discovered, it was mined in just a few years or more than ten years, and the topsoil and tailings with a slightly higher iron content were ignored, resulting in a waste of resources
Or the removal of iron by a high-power iron remover will cause environmental pollution and waste of energy.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] This embodiment provides a medium-temperature black body porcelain, which is prepared from a blank and a glaze; wherein,

[0040] The raw materials for making the blanks include: 20-23% by weight of porcelain washing mud, 9-12% by weight of plaster, 28-35% by weight of white mud, and 20-28% by weight of white clay. Red purple sand shale, 21-25% by weight quartz and 5-8% by weight moraine;

[0041] The raw materials for making the glaze include: potassium feldspar with a weight percentage of 30-35%, albite with a weight percentage of 25-30%, quartz with a weight percentage of 25-30%, and a weight percentage of 10-15% Limestone, 0-4% by weight zinc oxide, 5-12% by weight barium carbonate, 3-8% by weight talc, 5-8% by weight kaolin and 5-8% by weight 12% of colorant or 3 to 6% by weight of chromophoric oxide;

[0042] Alternatively, the raw materials for making the glaze include: potassium feldspar with a weight percentage of 16-20%, albite with a weight percentage of 13-1...

Embodiment 2

[0051] On the basis of Example 1, this example further provides a method for preparing medium-temperature black body porcelain, which includes the following production steps:

[0052] Step 1: Take porcelain washing clay with a weight percentage of 20-23%, plaster with a weight percentage of 9-12%, white mud with a weight percentage of 28-35%, and red purple sand shale with a weight percentage of 20-28% , 21-25% by weight of quartz and 5-8% by weight of moraine rock;

[0053] Step 2, ball milling the ingredients in step 1, wherein the ratio of ingredients, balls, and water is 1:2:1.2, ball milling until the sieve residue of the 250 mesh sieve of the ingredients granularity is 0.06%, and then Press filtration to form a mud cake with a water content of 21 to 27%. In this embodiment, as a preferred embodiment, sodium polyacrylate with a concentration of 0.06% is added during the ball milling process, and the ball milling time is 30 to 36 hours;

[0054] Step 3. On the basis of st...

Embodiment 3

[0071] A method for preparing medium-temperature black-bodied porcelain, which comprises the following production steps:

[0072] Step 1: Take porcelain washing clay with a weight percentage of 20-23%, plaster with a weight percentage of 9-12%, white mud with a weight percentage of 28-35%, and red purple sand shale with a weight percentage of 20-28% , 21-25% by weight of quartz and 5-8% by weight of moraine rock;

[0073] Step 2, ball milling the ingredients in step 1, wherein the ratio of ingredients, balls, and water is 1:2:1.2, ball milling until the sieve residue of the 250 mesh sieve of the ingredients granularity is 0.06%, and then Press filtration to form a mud cake with a water content of 21-27%;

[0074] Step 3. On the basis of step 2, the billet is formed by hand drawing and rolling or grouting, and the formed billet is naturally dried;

[0075] Step 4. After the formed blank is dried until the water content is lower than 4%, the glaze is applied, wherein the speci...

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Abstract

The invention discloses medium-temperature black-body ceramic. The medium-temperature black-body ceramic is prepared by a preform body and glaze, wherein the preform body comprise, by weight percentage, 20-23% of washed porcelain clay, 9-12% of grey clay, 28-35% of white clay, 20-28% of red purple-sand shale, 21-25% of quartz and 5-8% of tillite; the glaze comprises, by weight percentage, 30-35% of potassium feldspar, 25-30% of albite, 25-30% of quartz, 10-15% of limestone, 0-4% of zinc oxide, 5-12% of barium carbonate, 3-8% of talcum, 5-8% of kaolin and 5-12% of pigment or 3-6% of coloring oxide. The medium-temperature black-body ceramic is high in sintering yield, stable in performance and free of glaze cracking.

Description

technical field [0001] The invention relates to the technical field of ceramic preparation, in particular to a medium-temperature black tire ceramic and a preparation method thereof. Background technique [0002] The current ceramic body, whether it is white porcelain or stoneware, blindly requires that the lower the iron content, the better, but this high-quality porcelain clay, kaolin is limited, and the mining is disordered, so that a high-quality porcelain clay Once discovered, the kaolin mine of porcelain clay was mined in just a few years or more than ten years, and the topsoil and tailings with a slightly higher iron content were ignored, resulting in a waste of resources. Or the removal of iron by panning high-power iron remover causes environmental pollution and energy waste. [0003] Therefore, a high-quality medium-temperature black tire porcelain and a preparation method thereof are provided. SUMMARY OF THE INVENTION [0004] To this end, the present inventio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/13C04B33/34
CPCC04B33/13C04B33/34C04B2235/6567C04B2235/9661
Inventor 曾春
Owner 醴陵市科镭陶瓷釉料有限公司
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