High-temperature black body porcelain and its preparation method by reducing flame firing

A technology of black body and high temperature, which is applied in the field of high-temperature black body porcelain and its reducing flame firing preparation. It can solve the problems of damage to the green body, unsuitable expansion coefficient, cracking of the glaze surface, etc., and achieve high firing rate and excellent color. Pure, stable product performance

Active Publication Date: 2020-06-19
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

[0003] However, in the prior art, the black-bodied celadon is not compatible with the expansion coefficient of the body and the glaze, which leads to cracking (opening) of the glaze surface and damage to the green body.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] This embodiment provides a high-temperature black-bodied porcelain, which is prepared from a blank and a glaze; wherein,

[0038] The raw materials for making the billet include: porcelain washing mud with a weight percentage of 15-20%, plaster with a weight percentage of 15-18%, white mud with a weight percentage of 36-44%, and 18-25% by weight. Red purple sand shale, quartz with a weight percentage of 16-20% and moraine rock with a weight percentage of 3-6%;

[0039] The raw materials for making the glaze include: 30-35% by weight of potassium feldspar, 31-37% by weight of quartz, 10-15% by weight of wollastonite, 3-5% by weight barium carbonate, 8-10% by weight of talc, 8-10% by weight of kaolin, 3-5% by weight of alumina powder and 11-16% by weight of red purple sand shale.

[0040] In this embodiment, the ceramic product made from the above-mentioned raw materials not only has pure color, beautiful appearance, and strong surface artistic effect, but also has a hig...

Embodiment 2

[0046] On the basis of Example 1, this example provides another high-temperature black body porcelain, which is prepared from a blank and a glaze; wherein,

[0047] The raw materials for making the billet include: porcelain washing mud with a weight percentage of 15-20%, plaster with a weight percentage of 15-18%, white mud with a weight percentage of 36-44%, and 18-25% by weight. Red purple sand shale, quartz with a weight percentage of 16-20% and moraine rock with a weight percentage of 3-6%;

[0048] The raw materials for making the glaze include: 30-38% by weight of potassium feldspar, 18-22% by weight of quartz, 0.5-1% by weight of titanium, and 8-10% by weight of kaolin , 5-8% by weight of barium carbonate, 8-10% by weight of talc, 3-5% by weight of alumina powder, 30-35% by weight of wollastonite and 18% by weight ~25% red purple sand shale.

[0049] In this embodiment, the ceramic product made from the above-mentioned raw materials not only has pure color, beautiful ...

Embodiment 3

[0055] On the basis of Examples 1 and 2, this example further provides a method for preparing high-temperature black-bodied porcelain reduction, which includes the following production steps:

[0056] Step 1: Take porcelain washing clay with a weight percentage of 15-20%, plaster with a weight percentage of 15-18%, white mud with a weight percentage of 36-44%, and red purple sand shale with a weight percentage of 18-25% , 16-20% by weight of quartz and 3-6% by weight of moraine rock;

[0057] 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%; in this embodiment, as a preferred embodiment, 0.06% sodium polyacrylate is added during the ball milling process, and the ball milling time is 30-36 hours;

[0058] Step 3. On the basis of step 2, the bi...

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Abstract

The invention relates to high-temperature black body porcelain and a reduction flame firing preparation method thereof. The invention discloses the high-temperature black body porcelain which is prepared from a blank and a glaze material; production raw materials of the blank comprise: 15 to 20 weight percent of washing petuntse, 15 to 18 weight percent of plaster, 36 to 44 weight percent of whitemud, 18 to 25 weight percent of red purple sand shale, 16 to 20 weight percent of quartz and 3 to 6 weight percent of tillite; production raw materials of the glaze material comprise: 30 to 35 weightpercent of potassium feldspar, 31 to 37 weight percent of quartz, 10 to 15 weight percent of wollastonite, 3 to 5 weight percent of barium carbonate, 8 to 10 weight percent of talc, 8 to 10 weight percent of kaolin, 3 to 5 weight percent of alumina powder and 11 to 16 weight percent of red purple sand shale; the ceramic product not only is pure in color, attractive and excellent in surface artistic effect, but also is high in rate of fired finished products and stable in product performance and has glaze which is not cracked or opened.

Description

technical field [0001] The invention relates to the technical field of ceramic preparation, in particular to a high-temperature black body porcelain and a reduction flame firing preparation method thereof. Background technique [0002] The black-bodied celadon is caused by the high iron content in the clay body (introducing purple gold soil, black mud, and purple sand raw ore). The amount of iron causes the color of the body to vary from gray to dark black; From rich to deep, there are patterns on the glaze surface, all kinds of textures are available; there are also the characteristics of purple mouth and iron feet. [0003] However, in the prior art, the black-bodied celadon is not adapted to the expansion coefficient of the green body and the glaze, resulting in cracking (opening) of the glaze surface and damage to the green body. [0004] Therefore, there is now provided a high-quality high-temperature black-bodied porcelain without glaze cracking and green body damage ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B33/13C03C8/18C04B33/34C04B41/86
CPCC03C8/18C04B33/13C04B33/34C04B41/5022C04B41/86C04B2235/3201C04B2235/3206C04B2235/3208C04B2235/3217C04B2235/3232C04B2235/3272C04B2235/3418
Inventor 曾春
Owner 醴陵市科镭陶瓷釉料有限公司
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