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Preparation process of underglaze red nixing pottery

A preparation process, the technology of Nixing pottery, which is applied in the field of preparation of underglaze red Nixing pottery, can solve the problems of difficult organic combination and no combination, and achieve the effect of bright color, simplified process and bright glaze surface

Inactive Publication Date: 2015-09-30
QINZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Because it is difficult to organically combine underglaze red and Nixing pottery, there is no related report on the combination of the two.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] 1) Preparing billets: 60kg of Dongni and 40kg of Xini are made into billets;

[0021] 2) Body forming: making the blank into various types of green bodies;

[0022] 3) drying the green body;

[0023] 4) Body decoration: After drawing patterns and / or writing characters on the dry body, apply a layer of transparent glaze with underglaze red material; the underglaze red material is made of raw materials: copper oxide 12kg, water-containing stone 58kg , glass powder 19kg and diabase ore 6kg; the transparent glaze is made of raw materials: glaze fruit 79kg, glaze ash 21kg and fluorite 5kg;

[0024] 5) Firing green bodies: send 100 decorated green bodies into the kiln, gradually increase the temperature, first raise the temperature to 500°C at a rate of 30°C per hour, and then increase the temperature at a rate of 30°C per hour. Increase the temperature up to 800°C with a heating rate of 100°C. At this temperature, put 1kg of pine branches into the kiln according to the rat...

Embodiment 2

[0027] 1) Preparing billets: 60kg of Dongni and 40kg of Xini are made into billets;

[0028] 2) Body forming: making the blank into various types of green bodies;

[0029] 3) drying the green body;

[0030] 4) Body decoration: After drawing patterns and / or writing characters on the dry body, apply a layer of transparent glaze with red underglaze material; the red underglaze material is made of raw materials: copper oxide 15kg, water-containing stone 65kg , glass powder 25kg and diabase ore 9kg; the transparent glaze is made of raw materials: glaze fruit 81kg, glaze ash 23kg and fluorite 8kg;

[0031] 5) Firing the green body: send the decorated green body into the kiln, and gradually increase the temperature, first raise the temperature to 600°C at a rate of 80°C per hour, and then increase the temperature by 150°C per hour. The heating rate of ℃ raises the temperature to 900 ℃. At this temperature, put 2 kg of rosin into the kiln according to the ratio of 2 kg of rosin per ...

Embodiment 3

[0034] 1) Preparing billets: 60kg of Dongni and 40kg of Xini are made into billets;

[0035] 2) Body forming: making the blank into various types of green bodies;

[0036] 3) drying the green body;

[0037] 4) Body decoration: After drawing patterns and / or writing characters on the dried body, apply a layer of transparent glaze with underglaze red material; the underglaze red material is made of raw materials: copper oxide 13kg, water-containing stone 60kg , glass powder 22kg and diabase ore 8kg; the transparent glaze is made of raw materials: glaze fruit 80kg, glaze ash 22kg and fluorite 6kg;

[0038] 5) Firing the green body: send the decorated green body into the kiln, and gradually increase the temperature, first raise the temperature to 550°C at a rate of 50°C per hour, and then raise it to 125°C per hour. The heating rate of ℃ raises the temperature to 850℃. At this temperature, put wood chips into the kiln at a rate of 1.5kg of wood chips per cubic meter of kiln space a...

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Abstract

The invention provides a preparation process of underglaze red nixing pottery. The preparation process comprises the steps of blank preparing, blank forming, blank drying, blank decorating and blank burning, wherein, in the blank decorating, a layer of clear glaze is applied on a dry blank body after describing patterns by using an underglaze red pigment and / or writing characters; the underglaze red pigment is prepared from the following raw materials in parts by weight: 12 to 15 parts of copper oxide, 58 to 65 parts of hydrophite, 19 to 25 parts of glass powder and 6 to 9 parts of diabase; the clear glaze comprises the following raw materials in parts by weight: 79 to 81 parts of glaze stone, 21 to 23 parts of glaze ash and 5 to 8 parts of fluorite. According to the invention, the underglaze red pigment can be directly applied on the blank of the nixing pottery without need of ground glaze, the process is simplified, the finished products are bright-colored, and the glaze is bright.

Description

technical field [0001] The invention relates to a preparation method of pottery, in particular to a preparation process of underglaze red Nixing pottery. Background technique [0002] The preparation process of Nixing pottery in Qinzhou mainly includes the following steps: 1) Preparation of blanks: The blanks are made of pottery clay materials, and the unique East and West clay in Qinzhou are selected as raw materials. The Dongni is the soil in the area east of the Qinjiang River across the urban area of ​​Qinzhou City, mostly in low-lying areas. The soil is dense and soft, soft clay, yellow-white in color, and contains a small amount of quartz sand. Xini is the soil in the area west of the Qinjiang River across the urban area of ​​Qinzhou City. The storage area is mainly on hillsides. The soil is dense and massive, containing a small amount of K2O, Na2O, CaO, MgO, Fe2O3, TiO2, SiO2, MnO2, It is a kind of purple mudstone with high iron content, the color is purple red, and ...

Claims

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Application Information

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IPC IPC(8): C04B33/14C04B33/34
Inventor 王宁
Owner QINZHOU UNIV
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