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Celadon glaze and manufacturing method thereof

A production method and celadon technology, applied in the field of celadon firing, can solve the problems of weak auxiliary color rendering effect, difficult to control dosage, yellowish glaze color, etc., and achieve the effects of good stability, simple operation and stable glaze color.

Active Publication Date: 2016-02-03
LONGQUAN JINHONG PORCELAIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, among the basic ingredients of the above-mentioned celadon glazes, only copper oxide can turn green in an oxidizing atmosphere. Not only is it difficult to control the amount of the ingredients, but a little carelessness will cause the glaze color to be yellowish or bluish; is an oxidizing atmosphere, Fe 3+ converted to Fe 2+ less likely, the effect of auxiliary color development is weak, and the glaze color is inevitably yellowish

Method used

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  • Celadon glaze and manufacturing method thereof
  • Celadon glaze and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A kind of preparation method of celadon glaze, comprises the following steps:

[0033] (1) Use the following raw materials to prepare glaze slurry:

[0034] In parts by weight, the raw materials are composed of: 20 parts of agate stone, 295 parts of quartz, 85 parts of potassium feldspar, 110 parts of limestone, 8 parts of purple gold soil, 180 parts of ridge root glaze soil, 5 parts of this medicine, 9 parts of talcum powder, 24 parts of copper ore, 6 parts of bovine bone, 3 parts of copper oxide, 1 part of zinc oxide, 2 parts of cobalt oxide, 2 parts of nickel monoxide, 3 parts of composite superplasticizer and 6 parts of tin oxide. The composite water reducer is a binary composite water reducer composed of sodium pyrophosphate-naphthalene series high-efficiency water reducer and sodium pyrophosphate-sodium citrate at a mass ratio of 1:1; The high-efficiency water reducer is compounded with a mass ratio of 2:3, and the other component is compounded with sodium pyroph...

Embodiment 2

[0049] A kind of preparation method of celadon glaze, comprises the following steps:

[0050] (1) Use the following raw materials to prepare glaze slurry:

[0051] In parts by weight, the raw materials are composed of: 22 parts of agate stone, 290 parts of quartz, 155 parts of potassium feldspar, 75 parts of limestone, 6 parts of purple gold soil, 130 parts of ridge root glaze soil, 7 parts of this medicine, 14 parts of talcum powder, 22 parts of copper ore, 5 parts of bovine bone, 4 parts of copper oxide, 1 part of zinc oxide, 3 parts of cobalt oxide, 3 parts of nickel monoxide, 2 parts of composite superplasticizer and 7 parts of tin oxide.

[0052] The composition of the composite water reducer is the same as in Example 1.

[0053] The preparation method of the glaze slurry is as follows: the above raw materials are crushed and mixed according to a preset ratio, and then 35% of the total amount of mixed raw materials is added to water for wet grinding; the slurry obtained ...

Embodiment 3

[0062] A kind of preparation method of celadon glaze, comprises the following steps:

[0063] (1) Use the following raw materials to prepare glaze slurry:

[0064] In parts by weight, the raw materials are composed of: 28 parts of agate stone, 356 parts of quartz, 93 parts of potassium feldspar, 86 parts of limestone, 10 parts of purple gold soil, 195 parts of ridge root glaze soil, 4 parts of this medicine, 12 parts of talcum powder, 23 parts of copper ore, 4 parts of bovine bone, 4 parts of copper oxide, 1 part of zinc oxide, 1 part of cobalt oxide, 2 parts of nickel monoxide, 3 parts of composite superplasticizer and 8 parts of tin oxide.

[0065] The preparation method of the glaze slurry is as follows: the above raw materials are crushed and mixed according to a preset ratio, and then 30% of the total amount of mixed raw materials is added to water for wet grinding; the slurry obtained through wet grinding is passed through a 300-mesh sieve, and the old After 30 hours, a...

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Abstract

The invention discloses a celadon glaze and a manufacturing method thereof. The celadon glaze is prepared from the following raw materials in parts by weight: 15 to 30 parts of carnelian cobble, 280 to 400 parts of quartz, 60 to160 parts of potassium feldspar, 70 to 120 parts of limestone, 6 to 10 parts of purple clay, 70 to 230 parts of ridge glaze clay, 4 to 8 parts of glarizonae, 7 to 15 parts of talcum powder, 22 to 26 parts of copper ore, 4 to 7 parts of ox bone, 2 to 4 parts of copper oxide, 1 to 2 parts of zinc oxide, 1 to 3 parts of cobaltous oxide, 1 to 3 parts of nickel oxide and 1 to 4 parts of composite reducing water agent. The zinc oxide, the cobaltous oxide and the nickel oxide are combined to enable the glazing color to display different degrees of cyan, and with the addition of the nickel oxide, the phenomenon that the glazing color is slightly yellow due to excessive ferric iron content in the glaze can be avoided; after synergizing and compounding with the copper oxide, the glazing color is more stable and is not easy to be slightly blue or yellow; the celadon glaze is fired in the oxidizing atmosphere, the fuels can be fully burned, the energy is saved, and the harmful gas is reduced.

Description

technical field [0001] The invention belongs to the technical field of celadon firing, and in particular relates to a celadon glaze and a manufacturing method thereof. Background technique [0002] The coloring mechanism of traditional Chinese celadon glazes (including Guan Kiln, Ge Kiln, Brother Kiln, Ru Kiln, and Yaozhou Kiln) is basically the same. They are all colored by iron ions in transition elements and fired with a reducing flame to make the Fe in the glaze 3+ converted to Fe 2+ . Depending on the strength of the reducing flame, the Fe in the glaze 2+ and Fe 3+ The content of celadon will also vary, so that the celadon glaze will show different shades similar to pink green, shadow green, plum green and holly. [0003] However, due to the need to control the content of oxygen and CO in the kiln during the firing process, the atmosphere in the reduction stage is difficult to control, which leads to varying degrees of deviation in the glaze color of the product, sm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C8/14C04B41/86
Inventor 徐晓辉金逸林金建锋舒明
Owner LONGQUAN JINHONG PORCELAIN
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