Bone jade porcelain and method for manufacturing same

A technology for washing mud and lithium feldspar, which can be applied to other household utensils, clay products, household utensils, etc. It can solve the problems of narrow firing range, poor thermal stability, and difficult control, and achieve good light transmission and thermal stability. The effect of raising and lowering the firing temperature

Inactive Publication Date: 2009-10-14
CHAOZHOU ZHONGXIA PORCELAIN FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although bone ash china has the characteristics of high whiteness, good light transmittance, soft porcelain, and soft luster, it is relatively brittle, poor in thermal stability, and has a narrow firing range, which is difficult to control.

Method used

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  • Bone jade porcelain and method for manufacturing same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] The quartz is calcined at a temperature of 1000°C, ground with water, and sieved with water to make quartz particles with a particle size of 10-20 μm.

[0016] A composition with the following components and weight percentages was prepared: 15% of quartz, 20% of lithium feldspar, 8% of Australian alumina, 4% of Guizhou clay, 33% of Longyan kaolin washing mud and 20% of Huidong kaolin washing mud. The lithium feldspar is selected in which Li 2 O content is 1.8% or more.

[0017] Add water to the above composition in a ratio of 1:1.25 by weight, and mill it in a ball mill for 11 hours. The fineness of the ball milled composition is controlled at 0.4% after passing through a 250 mesh sieve, and then iron removal, press filtration dehydration, rough refining, stale, refining , become porcelain clay with a moisture content of 24%.

[0018] The above-mentioned porcelain clay is molded by grouting, dried, glazed, and fired in a kiln at 1320°C for 9 hours to become a bone jad...

Embodiment 2

[0021] The quartz is calcined at a temperature of 980°C, ground with water, and sieved with water to make quartz particles with a particle size of 10-20 μm.

[0022] A composition with the following ingredients and weight percentages is prepared: 10% of cooked quartz, 25% of hectorite, 10% of Australian alumina, 5% of Guizhou clay, 30% of Longyan kaolin washing mud and 20% of Huidong kaolin washing mud. The lithium feldspar is selected in which Li 2 O content is more than 2.0%;

[0023] The above composition is added with water in a ratio of 1:1.5 by weight, and ball milled in a ball mill for 10 hours. The fineness of the ball milled composition is controlled at 0.5% after passing through a 250 mesh sieve, and then iron removal, pressure filtration and dehydration, rough refining, stale, Refined porcelain clay with a moisture content of 26%.

[0024] The above porcelain clay is molded by grouting, dried, glazed, and fired in a kiln at 1340°C for 8 hours to become a bone jade...

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Abstract

The invention relates to a household porcelain and a method for manufacturing the same, in particular to a bone jade porcelain and a method for manufacturing same. The bone jade porcelain body comprises quartz, petalite, Australian alumina, Guizhou clay, Longyan kaolin braying and Huidong kaolin braying. The method for manufacturing the bone jade porcelain comprises the following steps of: calcining the quartz, grinding with water, sieving with levigation and preparing into quartz grain, dosing according to formula, ball milling, sieving, removing iron, dehydrating in a way of filter pressing, primary smelting, aging, refining, shaping, drying, glazing and finally baking with a kiln. The invention has the tactile sensation of a bone ash porcelain, lower manufacturing cost compared with the bone ash porcelain, higher thermal stability, wider baking ranging and convenient control.

Description

technical field [0001] The invention relates to a daily-use porcelain and a production method thereof, in particular to a bone jade china and a production method thereof. Background technique [0002] Bone china is a popular high-grade porcelain in the international market. The amount of bone ash as its main raw material can reach about half of the entire billet, and the production cost is relatively high. Although bone china has the characteristics of high whiteness, good light transmittance, soft porcelain, and soft luster, it is relatively brittle, poor in thermal stability, and has a narrow firing range, which is difficult to control. Contents of the invention [0003] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a bone jade china and its production method. The product has the texture of bone china, but can reduce the production cost, and is easy to fire, which is beneficial to mass production. [0004] The purpose ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/00C04B33/34
Inventor 詹平辉
Owner CHAOZHOU ZHONGXIA PORCELAIN FACTORY
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