Preparation method of high-strength magnesium Longquan celadon billet, glaze and product

Abstract

The invention relates to a production method of a high-strength magnesium Longquan celadon billet, glaze and product and a preparation method of slurry in the production method. The high-strength billet for the high-strength magnesium Longquan celadon product is prepared from a component A and a component B. The component A is composed of the following ingredients in percentage by weight: 20-35% of cured talcum, 43-52% of quartz powder, 4-15% of ball clay, 5-18% of kaolin and 1-5% of zirconium silicate. The component B is composed of the following ingredients in percentage by weight: 35-55% of Baoxi porcelain clay, 13-27% of Huangshixuan and 25-45% of Badu porcelain clay. On the basis of ensuring the aesthetical effect on the traditional Longquan celadon, the strength of the Longquan celadon product is improved.

Description

technical field [0001] The invention relates to a preparation method of high-strength magnesia Longquan blank, glaze and Longquan celadon products, and also relates to a mud preparation method in the preparation method. Background technique [0002] Longquan kiln is a famous historical kiln in my country. It is famous all over the world for its green glaze and jade-like glaze. It is a bright pearl in ancient Chinese ceramic civilization, and it is also the only one in the field of ceramics that has been selected into the "World Human Intangible Cultural Heritage" representative list. types of porcelain. Human nature is white jade with slight flaws. Longquan celadon products, especially those with thin edges, are easily damaged during use. Therefore, in recent years, the development of high-strength Longquan celadon products has received extensive attention. For example, the Chinese patent, the patent number CN201210184693.5 is an invention patent "a method for preparing rei...

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Problems solved by technology

For example, the Chinese patent, the patent number CN201210184693.5 is an invention patent "a method for preparing reinforced porcelain blanks and products suitable for Longquan celadon decoration". In this patent, calcined talc is added to the blank base material to achieve a certain strength. And lithium china stone, adding alumina micropowder and zirconia micropowder to the toughening material, and the toughening material is 8-20% of the base material, so that the flexural strength of the billet in this patent reaches 120-140MPa, and the anti- The impact strength reaches 2.3~2.85J / cm 2 , the thermal stability is 240-20°C, and it will not crack after one-time rapid cooling, but the invention does not mention the formula and production process of the corresponding glaze, which is not conducive to large-scale production and application

Another example is the Chinese patent, the invention patent of which the patent number is CN2014410257943.2 "a preparation method of medium-temperature magnesia reinforced porcelain and the product thereof", in which a large amount of raw talc and calcined talc are added to the blank to achieve reinforced tires. The effect of body strength, but this patent is mainly applicable to high-temperature biscuit-fired and medium-temperature glaze-fired products

Since the carcass has reached a certain density after high-temperature bisque firing, it is not easy to fire thick-glazed celadon when it is glazed again, and it cannot achieve the aesthetic effect of Longquan kiln celadon like ice and jade, which has great limitations.

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