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Clay of nixing pottery

A technology for Nixing pottery and Nixing pottery clay, applied in the field of Nixing pottery mud, can solve the problems of reduced fineness of Nixing pottery, change of unique quality of Nixing pottery, etc., to reduce deformation and fission, make up for plasticity, reduce The effect of shrinkage

Active Publication Date: 2014-11-19
QINZHOU DENGFENG CERAMIC ART
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the addition of Yixing purple clay, the particles of the clay material increased, although the shrinkage rate decreased, but at the same time the fineness of the prepared Nixing pottery was reduced, and the unique quality of the Nixing pottery was changed.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A mud material for Nixing pottery, in parts by weight, comprises: 2 parts of east mud, 6.8 parts of west mud, and 0.4 part of Nixing pottery clinker.

[0022] The preparation of described Nixing pottery clinker comprises the following steps:

[0023] 1) Preparation of mud: Weathering 4 parts of the selected east mud and 5 parts of west mud, balling according to the ratio, pressure filtration, vacuum refining mud, and finally aging to obtain the mud;

[0024] 2) Making the green body: making the mud into a block with a thickness of 2cm;

[0025] 3) Drying of the green body: put the green body into the room to dry until the humidity of the green body is 60%;

[0026] 4) Firing the green body: Put the dried green body into the kiln, gradually increase the temperature, the heating rate is 90°C per hour, rise to 100°C, and continue firing at this temperature for 2.5 hours; Then the heating rate is 200°C per hour until it rises to 520°C, and at this temperature, continue fi...

Embodiment 2

[0029] A kind of Nixing pottery mud material, the components are: 2.5 parts of east mud, 6.3 parts of west mud and 0.7 part of Nixing pottery clinker in parts by weight.

[0030] The preparation of described Nixing pottery clinker comprises the following steps:

[0031] 1) Preparation of mud: 5 parts of the selected east mud and 5.5 parts of west mud are weathered, balled according to the ratio, pressure filtered, vacuum muddled, and finally stale to obtain the mud;

[0032] 2) Making the green body: making the mud material into a block with a thickness of 3 cm;

[0033] 3) Drying of the green body: put the green body into the room to dry until the humidity of the green body is 55%;

[0034] 4) Firing the green body: put the dried green body into the kiln, gradually increase the temperature at a rate of 80°C per hour, and then rise to 150°C, and continue firing at this temperature for 4 hours; Then the heating rate is 220°C per hour until it rises to 500°C, and at this tempe...

Embodiment 3

[0037] A kind of Nixing pottery mud material, the components are: 2.8 parts of east mud, 6.5 parts of west mud and 0.5 part of Nixing pottery clinker in parts by weight.

[0038] The preparation of described Nixing pottery clinker comprises the following steps:

[0039] 1) Preparation of mud: 6 parts of the selected east mud and 4.5 parts of west mud are weathered, balled according to the proportion, pressure filtered, vacuum mud, and finally stale to obtain the mud;

[0040] 2) Making the green body: making the mud material into a block with a thickness of 4cm;

[0041] 3) Drying of the green body: put the green body into the room to dry until the humidity of the green body is 50%;

[0042] 4) Firing the green body: put the dried green body into the kiln, gradually increase the temperature at a rate of 100°C per hour, and then rise to 180°C, and continue firing at this temperature for 3 hours; Then the heating rate is 250°C per hour until it rises to 550°C, and at this temp...

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Abstract

The invention discloses clay of nixing pottery. The clay comprises the components in parts by weight: 2-3.9 parts of east clay, 6.1-7 parts of west clay and 0.1-0.9 part of nixing pottery clinker, wherein the nixing pottery clinker is obtained after nixing pottery clay is calcined, and the nixing pottery clay is prepared by mixing 4-6 parts of east clay and 6-4 parts of west clay. The nixing pottery clinker is added into the clay, and the nixing pottery clinker almost has no shrinkage change after being calcined, so that the shrinkage rate of the clay is effectively reduced, the deformation and fission of a blank body are reduced, and the finished product rate is increased from 80% to 95%.

Description

technical field [0001] The invention relates to the preparation of pottery, in particular to a mud material of Nixing pottery. Background technique [0002] Qinzhou Nixing pottery (Nixing pottery for short), Jiangsu Yixing pottery, Yunnan Jianshui pottery, and Sichuan Rongchang pottery are named as my country's "Four Famous Pottery". Qinzhou Nixing pottery is characterized by unglazed polishing, and the burnt and polished pottery presents an infinite variety of "kiln-changing" colors. The artistic taste is extremely high, and it is known as "a must in China". It is easy to crack or the carcass is deformed, especially the preparation of large Nixing pottery has always troubled the manufacturers and artists of Nixing pottery. The difficulty of making large pots has become the biggest bottleneck in the mass production of large-scale products. [0003] The factors leading to the cracking and deformation of Nixing pottery mainly include the formula of the clay and the firing pro...

Claims

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Application Information

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IPC IPC(8): C04B33/13
Inventor 吴莹
Owner QINZHOU DENGFENG CERAMIC ART
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