Preparation method for tea dust temmoku glaze

A technology of tianmu glaze and tea powder, which is applied in the field of preparation of tea powder tianmu glaze, which can solve the problems of discounting the artistic effect of the glaze surface, and achieve the effect of density and color range, elegant and soft leaf size, and low cost

Inactive Publication Date: 2011-11-09
SHAANXI UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] For the study of tea powder glaze, Chen Xianqiu and others used different testing methods to conduct in-depth research on its formation mechanism [Chen Xianqiu, Journal of Ceramics, 1996, 3]; Zhao Dafeng, Ke Meiyun, etc. studied the reasonable composition range of tea powder glaze [Zhao Dafeng , Ke Meiyun, etc., Journal of Jingdezhen Ceramic Institute, 1990, 9:1-11.]; Dai Ruobing trial-produced low-temperature tea powder glaze, but the temperature was still above 1200°C, and most of the raw materials were chemical raw materials, which greatly reduced the artistic effect of the glaze. [Dai Ruobing, Foshan Ceramics, 1999, 3: 13-14]

Method used

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  • Preparation method for tea dust temmoku glaze

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Embodiment 1, at first, by mass percentage, 10% loess, 40% feldspar, 10% quartz, 5% kaolin, 8% talc, 8% limestone, 0.5% calcium phosphate, 0.5% BaCO 3 Mix with 18% iron oxide; Secondly, add the sodium tripolyphosphate of mixture quality 0.2% and the cellulose of 0.5% in the mixture to obtain the mixture, then press the mixture: grinding ball: the quality of water=1: 2: 0.8 Ball milling and passing through a 200-mesh sieve to obtain the glaze; then, adjust the glaze to a specific gravity of 1.6-1.7g / cm 3 The glaze slurry is evenly coated on the green body; dried at room temperature; finally, the green body coated with the glaze slurry is fired at 1240°C to obtain the following: figure 1 (a) Eel yellow tea leaves end with Tianmu glaze.

Embodiment 2

[0014] Embodiment 2, at first, by mass percentage, 15% loess, 35% feldspar, 15% quartz, 3% kaolin, 10% talc, 5% limestone, 1% calcium phosphate, 0.5% BaCO 3 Mix with 15.5% iron oxide; Secondly, add the sodium tripolyphosphate of mixture quality 0.2% and the cellulose of 0.5% in the mixture to obtain the mixture, then press the mixture: grinding ball: the quality of water=1: 2: 0.8 Ball milling and passing through a 200-mesh sieve to obtain the glaze; then, adjust the glaze to a specific gravity of 1.6-1.7g / cm 3 The glaze slurry is evenly coated on the body; dried at room temperature; finally, the body coated with the glaze slurry is fired at 1200°C to obtain the ancient tea powder Tianmu famous glaze.

Embodiment 3

[0015] Embodiment 3, at first, by mass percentage, 20% loess, 32% feldspar, 18% quartz, 5% kaolin, 8% talc, 3% limestone, 1.5% calcium phosphate, 0.5% BaCO 3 Mix with 12% ferric oxide; Secondly, add the sodium tripolyphosphate of mixture quality 0.2% and the cellulose of 0.5% to obtain mixture in the mixture, then press mixture: milling ball: the quality of water=1: 2: 0.8 Ball milling and passing through a 200-mesh sieve to obtain the glaze; then, adjust the glaze to a specific gravity of 1.6-1.7g / cm 3 The glaze slurry is evenly coated on the green body; dried at room temperature; finally, the green body coated with glaze slurry is fired at 1180°C to obtain figure 1 (b) To the end of the black-bottomed green leaf tea leaves Tianmu glaze.

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Abstract

The invention relates to a preparation method for tea dust temmoku glaze, which comprises the following steps of: mixing loess, feldspar, quartz, kaolin, talcum, lime stone, calcium phosphate, iron oxide, BaCO3 and proper amount of sodium tripolyphosphate and cellulose, ball-milling, preparing glaze slurry with the specific gravity of 1.6 to 1.7g / cm<3>, then coating the glaze slurry on a blank body evenly, drying, then firing under the temperature range of 1000 to 1240 DEG C and obtaining the tea dust temmoku glaze. The method has the specific advantages of: having simple technique operation and control, short firing period, low firing temperature and wide firing temperature range, being capable of preparing various effects of tea dust temmoku glaze, has elegant and soft and more stable of glaze surface, thus being beneficial to the energy-saving and environment-friendly requirements advocated currently; in addition, the preparation method adopts raw mineral materials basically, and the main raw materials are from loess with wide source, do not have pollution to the environment and meet the requirements of environment protection; and due to the advantages, the method has potentialfor realizing practical production of the factory.

Description

technical field [0001] The invention belongs to the field of ceramic glaze manufacture, and in particular relates to a method for preparing tea powder Tianmu glaze. Background technique [0002] In ancient Chinese ceramics, there is such a kind of glaze-there are fine and dense yellow spots like stars on the devitrified green underglaze. This kind of profound simplicity contains countless changing glaze colors, and it is called "tea powder glaze" because it looks like the green tea powder in the new spring. [0003] The tea powder glaze is named for the fine tea leaves on its surface, which are naturally crystallized during the firing process. The shape and density of the crystals will produce different glaze effects due to the different heating and cooling methods of firing. The dots of stars shining in the dark green underglaze are simple, deep and unaffected, as if endowed by nature, giving people an intriguing aesthetic feeling. The complexity and variability of vario...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B41/86C03C8/00
Inventor 王芬李强罗宏杰周长江朱建锋薛小霜杨志波
Owner SHAANXI UNIV OF SCI & TECH
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