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A fast-firing polymorph multi-color crystalline glaze and its preparation method and application

A multi-color, crystalline glaze technology, applied in the preparation of fast-firing polymorphic multi-color crystalline glaze ceramic products, fast-firing polymorphic multi-color crystalline glaze and its preparation, fast-firing polymorphic multi-color crystalline glaze ceramic products In the field of high-temperature firing, it can solve the problems of poor thixotropy and fluidity of glaze paste, poor thermal stability of crystalline glaze, overcast and smoked glaze layer, and achieve the effect of avoiding easy-flowing glaze, good thermal stability and improving fluidity.

Active Publication Date: 2021-09-10
江西陶瓷工艺美术职业技术学院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Therefore, the technical problem to be solved by the present invention is to overcome defects such as poor thixotropy and fluidity of the glaze slurry in the prior art, cloudy yellow and smoky phenomena in the glaze layer after sintering, and poor thermal stability of the crystalline glaze, thereby providing a fast Sintered polymorph multi-color crystal glaze and its preparation method and application

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  • A fast-firing polymorph multi-color crystalline glaze and its preparation method and application
  • A fast-firing polymorph multi-color crystalline glaze and its preparation method and application

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Embodiment 1

[0026] This embodiment provides a fast-firing polymorph multi-color crystalline glaze, which is composed of: 15 parts of calcined zinc oxide, 10 parts of calcined titanium oxide, 15 parts of calcined light calcium carbonate, 15 parts of calcined light magnesium carbonate, long 30 parts of stone, 8 parts of kaolin, 7 parts of quartz and 1.5 parts of cobalt oxide;

[0027] The preparation and sintering method of above-mentioned crystalline glaze are,

[0028] Mix the above raw materials evenly, put them into a ball mill, then add water for ball milling, pass through a 180-mesh sieve, add water to adjust the water content of the glaze to 45%, and obtain the finished glaze slurry;

[0029] Take the green body and apply the glaze by dipping the glaze. The thickness of the glaze layer is controlled at 3-5mm. Under 0.01MPa, the temperature is raised from room temperature to 300°C for 3.5h; The time is 1h, the pressure of this process is 0.025MPa; then the temperature is raised to 11...

Embodiment 2

[0031] This embodiment provides a fast-firing polymorph multi-color crystal glaze, which is composed of: 15 parts of calcined zinc oxide, 10 parts of calcined titanium oxide, 15 parts of calcined light calcium carbonate, 20 parts of calcined light magnesium carbonate, long 20 parts of stone, 8 parts of kaolin, 7 parts of quartz, 0.8 parts of iron oxide;

[0032] The preparation and sintering method of above-mentioned crystalline glaze are,

[0033] Mix the above raw materials evenly, put them into a ball mill, then add water for ball milling, pass through a 180-mesh sieve, add water to adjust the water content of the glaze to 45%, and obtain the finished glaze slurry;

[0034]Take the green body and apply the glaze by blowing the glaze. The thickness of the glaze layer is controlled at 3-5mm. Then, under 0.015MPa, the temperature is raised from room temperature to 320°C for 4 hours; then the temperature is raised to 845°C, and the temperature is raised The time is 1.5h, the p...

Embodiment 3

[0036] This embodiment provides a fast-firing polymorph multicolor crystalline glaze, which is composed of: 20 parts of calcined zinc oxide, 5 parts of calcined titanium oxide, 20 parts of calcined light calcium carbonate, 10 parts of calcined light magnesium carbonate, long 25 parts of stone, 8 parts of kaolin, 7 parts of quartz, 0.8 part of cobalt oxide and 0.2 part of iron oxide;

[0037] The preparation and sintering method of above-mentioned crystalline glaze are,

[0038] Mix the above raw materials evenly, put them into a ball mill, then add water for ball milling, pass through a 180-mesh sieve, add water to adjust the water content of the glaze to 45%, and obtain a finished glaze slurry;

[0039] Take the green body and apply the glaze by dipping the glaze. The thickness of the glaze layer is controlled at 3-5mm. Under 0.01MPa, the temperature is raised from room temperature to 298°C for 3 hours; then the temperature is raised to 875°C and the heating time is 1.2h, th...

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Abstract

The invention belongs to the technical field of preparation of ceramic glazes, and in particular relates to a fast-firing polycrystalline multi-color crystalline glaze and its preparation method and application, in particular to a fast-firing polycrystalline multi-color crystalline glaze and a preparation method thereof, a The invention relates to a preparation method of a fast-firing polycrystalline multi-color crystalline glaze ceramic product, a fast-firing polycrystalline multi-color crystalline glaze ceramic product and a high-temperature firing method thereof. The crystalline glaze is prepared by calcining light calcium carbonate (calcium), calcining light magnesium carbonate (magnesium), calcining zinc oxide (zinc), calcining titanium oxide (titanium), kaolin (silicon), quartz (silicon), feldspar (potassium) , sodium) seven kinds of metal systems, make the glaze slurry in a supersaturated state, increase the crystallization speed of the crystalline glaze, expand the crystallization area, avoid the problems of easy flow glaze, smoking (the phenomenon of cloudy yellow and smoke), and make the crystalline glaze Under the premise of not affecting its performance, the temperature can be raised to the sintering temperature normally, and the temperature can be quickly lowered to normal temperature after the sintering, which shortens the preparation cycle and achieves the effect of energy saving and environmental protection.

Description

technical field [0001] The invention belongs to the technical field of preparation of ceramic glazes, and in particular relates to a fast-firing polycrystalline multi-color crystalline glaze and its preparation method and application, in particular to a fast-firing polycrystalline multi-color crystalline glaze and a preparation method thereof, a The invention relates to a preparation method of a fast-firing polycrystalline multi-color crystalline glaze ceramic product, a fast-firing polycrystalline multi-color crystalline glaze ceramic product and a high-temperature firing method thereof. Background technique [0002] Crystalline glaze is a product whose crystalline substance is in a saturated state after the glaze is melted at a high temperature during the firing process, and crystallization occurs after cooling, and crystals with beautiful patterns are precipitated. As early as the Song Dynasty, our country had fired precious crystal glazes such as "rust flower", "tea powd...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C8/20C04B41/86
CPCC03C8/20C04B41/5022C04B41/86
Inventor 汪建张涛马岚鲍志蕾汪瑶
Owner 江西陶瓷工艺美术职业技术学院
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