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a Nixing pottery clay

A technology of Nixing pottery and Nixing pottery clay, applied in the mud field of Nixing pottery, can solve the problems of Nixing pottery's unique quality change and Nixing pottery's fineness reduction, so as to make up for plasticity, reduce deformation and fission, and ensure Effect of Molding Integrity

Active Publication Date: 2015-09-30
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 Nixing pottery mud material, in parts by weight, comprises the following components: 2 parts of eastern mud, 6.8 parts of western 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 material: 4 parts of selected eastern mud and 5 parts of western mud are weathered, balled according to the proportion, filter-pressed, vacuum muddled, and finally stale to obtain mud;

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

[0025] 3) Drying of the green body: the green body is placed in 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, and the heating rate is 90 ℃ per hour, rise to 100 ℃, and at this temperature, continue firing for 2.5 hours; Then the heating rate is 200 °C per hour until it r...

Embodiment 2

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

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

[0031] 1) Preparation of mud material: 5 parts of selected eastern mud and 5.5 parts of western mud are weathered, balled according to the proportion, filter-pressed, vacuum muddy, and finally stale to obtain mud;

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

[0033] 3) Drying of the green body: the green body is placed in the room to dry to a humidity of 55%;

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

Embodiment 3

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

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

[0039] 1) Preparation of mud: 6 parts of selected eastern mud and 4.5 parts of western mud are weathered, balled according to the proportion, filter-pressed, vacuum muddy, and finally stale to obtain mud;

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

[0041] 3) Drying of the green body: put the green body into the room and dry it 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, and the heating rate is 100 ℃ per hour, rise to 180 ℃, and at this temperature, continue firing for 3 hours; Then the heating rate is 250 °C per hour until it reaches 550 °C, and at this tempe...

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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 kind of mud for Nixing pottery. Background technique [0002] Qinzhou Nixing pottery (referred to as Nixing pottery), Jiangsu Yixing pottery, Yunnan Jianshui pottery and Sichuan Rongchang pottery are named as the "Four Famous Pottery" in my country. The characteristics of Nixing pottery in Qinzhou are unglazed and polished. It is easy to crack or deform the carcass at times, especially the preparation of large Nixing pottery has been a problem for Nixing pottery manufacturers and artists. [0003] The factors that lead to the cracking and deformation of Nixing pottery mainly include the formula of the mud and the firing process. The existing Nixing pottery clay is mainly composed of 40-60% of the east clay and 60-40% of the west clay by weight. Among them, the east clay is the soil in the east of the Qinjiang River that traverses the urban area of ​​Qinzhou City. In low-lying ar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B33/13
Inventor 吴莹
Owner QINZHOU DENGFENG CERAMIC ART
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