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Preparation method of black glaze heat-resistant ceramic pot

A technology of black glaze and ceramic pots, which is applied in the preparation of black glaze heat-resistant ceramic pots and in the field of black glaze heat-resistant ceramic pots. Vibrant color, increased gloss, and reduced air bubbles and pinholes

Inactive Publication Date: 2018-11-27
江西帮企陶瓷股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] When making black ceramic pots, the glossiness of the glaze surface made of the existing black glaze is relatively poor, and the color is not bright enough, the chroma is low, and the waste materials during ceramic processing cannot be utilized, wasting resources, and the glaze surface Air bubbles and pinholes are prone to appear

Method used

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  • Preparation method of black glaze heat-resistant ceramic pot
  • Preparation method of black glaze heat-resistant ceramic pot
  • Preparation method of black glaze heat-resistant ceramic pot

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A black-glazed heat-resistant ceramic pot, including a ceramic pot body and a black glaze, the base material of the ceramic pot body is composed of: 30% petalite feldspar, 40% kaolin, 15% clay, 5% alumina, alkaline earth 5%, high soluble quartz 5%, the black glaze base material is composed of: 5% spodumene, 60% petalite, 5% pyrophyllite, 6.5% kaolin, 5% quartz, 2% oxide, 5% of waste porcelain powder, 7% of colorant, 1% of calcium carbonate, 0.5% of barium carbonate, 3% of calcite, the oxide in the black glaze base material is a mixture of barium carbonate, zinc oxide, lead oxide, etc., and the carbonate The mixing ratio of barium, zinc oxide and lead oxide is 1:2:1, and the colorant in the black glaze base material is a mixture of chromium oxide, iron oxide and manganese oxide, wherein the content of chromium oxide is 20%, and the content of iron oxide is 50% , manganese oxide content 30%.

[0033] The present invention also provides a method for preparing a black-glaz...

Embodiment 2

[0047]A black-glazed heat-resistant ceramic pot, comprising a ceramic pot body and a black glaze, the base material of the ceramic pot body is composed of: 35% petalite feldspar, 25% kaolin, 20% clay, 5% alumina, alkaline earth 7%, high soluble quartz 8%, the black glaze base material is composed of: 10% spodumene, 48% petalite, 6% pyrophyllite, 7% kaolin, 5% quartz, 2% oxide, 6% of waste porcelain powder, 10% of colorant, 2% of calcium carbonate, 1% of barium carbonate, 3% of calcite, the oxide in the black glaze base material is a mixture of barium carbonate, zinc oxide, lead oxide, etc., and the carbonate The mixing ratio of barium, zinc oxide and lead oxide is 1:2:1, and the colorant in the black glaze base material is a mixture of chromium oxide, iron oxide and manganese oxide, wherein the content of chromium oxide is 25%, and the content of iron oxide is 40% , manganese oxide content 35%.

[0048] The present invention also provides a method for preparing a black-glazed...

Embodiment 3

[0062] A black-glazed heat-resistant ceramic pot, comprising a ceramic pot body and a black glaze, the base material of the ceramic pot body is composed of: 35% petalite feldspar, 20% kaolin, 25% clay, 5% alumina, alkaline earth 7%, high soluble quartz 8%, the black glaze base material is composed of: 11% spodumene, 40% petalite, 7% pyrophyllite, 7% kaolin, 8% quartz, 2% oxide, 6% of waste porcelain powder, 11% of colorant, 3% of calcium carbonate, 2% of barium carbonate, and 3% of calcite. The oxide in the black glaze base material is a mixture of barium carbonate, zinc oxide, lead oxide, etc., and the carbonate The mixing ratio of barium, zinc oxide and lead oxide is 1:2:1, and the colorant in the black glaze base material is a mixture of chromium oxide, iron oxide and manganese oxide, wherein the content of chromium oxide is 35%, and the content of iron oxide is 30% , manganese oxide content 35%.

[0063] The present invention also provides a method for preparing a black-g...

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Abstract

The invention discloses a black glaze heat-resistant ceramic pot. The black glaze heat-resistant ceramic pot comprises a ceramic pot blank and black glaze. The ceramic pot blank comprises the following base material components: petalite 30-40%, kaolin 20-40%, clay 10-30%, aluminium oxide 5-10%, alkaline earth 5-10% and high-solubility quartz 5-15%. The black glaze comprises the following base material components: spodumene 5-15%, petalite 45-60%, petalite 5-10%, kaolin 5-12%, quartz 5-10%, oxide 2-3%, useless porcelain powder 5-10%, a colorant 7-12%, calcium carbonate 1-3%, barium carbonate 0.5-2% and calcite 3-5%. The invention further provides a preparation method of the black glaze heat-resistant ceramic pot. The oxide is added in glaze, the glossy of a glaze surface is improved, the opacity of the glaze is improved, the refractive index of glaze to light is increased, the useless porcelain powder is added, resources are recycled, furthermore, air pores and needle holes in the glazesurface are reduced, the quality of the glaze surface is improved, the ratio in pigment is strictly controlled, and the manufactured ceramic pot is bright in color, high in coloring degree and worthyof being popularized widely.

Description

technical field [0001] The invention relates to the technical field of ceramic glazes, in particular to a black-glazed heat-resistant ceramic pot, and at the same time, the invention also relates to a preparation method of a black-glazed heat-resistant ceramic pot. Background technique [0002] The glaze applied on ceramics generally uses spodumene, lithium petalite, quartz, and kaolin as the main raw materials. After grinding and adding water, it is applied to the surface of the green body and melted by roasting at a certain temperature. When the temperature drops, A thin glassy layer that forms the surface of a ceramic. It makes ceramics increase mechanical strength, thermal stability, dielectric strength and prevent liquid and gas erosion. Glaze also has the functions of increasing the appearance of porcelain, making it easy to wash and wipe, and preventing it from being stained by dust. [0003] When making black ceramic pots, the glossiness of the glaze surface made o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/13C03C1/04C03C8/00C04B33/34C04B41/86
CPCC03C1/04C03C8/00C04B33/131C04B33/34C04B41/009C04B41/5022C04B41/86C04B2235/3217C04B2235/3418C04B2235/3472C04B2235/9607C04B2235/963C04B41/4535
Inventor 李启亮李启帮
Owner 江西帮企陶瓷股份有限公司
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