Once-moulded thin-tire ceramic and preparation technology thereof

Abstract

The invention discloses a once-moulded thin-tire ceramic and a preparation technology thereof. The once-moulded thin-tire ceramic comprises a blank and glaze, wherein the blank comprises the followingraw materials in parts by weight: 16-22 parts of albite, 12-18 parts of montmorillonite, 46-52 parts of a quartz powder, 8-12 parts of rutile, 3-5 parts of a molybdenum ore powder, 1-3 parts of a silica brick powder, 5-8 parts of diopside, 3-6 parts of magnesium oxide, 1-3 parts of light calcium carbonate and 2-5 parts of a sintering aid; the glaze comprises the following raw materials in parts by weight: 10-15 parts of albite, 16-22 parts of red halloysite, 35-46 parts of quartz, 5-8 parts of titanium dioxide, 3-6 parts of a glass powder, 3-5 parts of red jade soil, 1-3 parts of bentonite, 2-5 parts of calcium nitride, 1-3 parts of dysprosium oxide and 1-2 parts of magnesium carbonate.

Description

technical field [0001] The invention belongs to the field of ceramic preparation, and in particular relates to a one-time molding thin-bodied porcelain and a preparation process thereof. Background technique [0002] The output of daily-use ceramics in my country accounts for more than 62% of the world, and the annual export volume reaches more than 8 billion pieces, accounting for more than 70% of the world's total exports. However, there are generally problems such as low product grades and serious homogeneity. 0.35 Meiyuan / piece, about 1 / 3 of the international average price. At present, the domestic and foreign daily-use ceramics industry is highly competitive. Only by developing new products with high added value can it be possible to stand out in the fierce competition. Thin-bodied porcelain is also known as "bodiless porcelain" and "eggshell porcelain". The thickness of the thin-bodied porcelain body is mostly within 1mm. People call it: thin as a cicada's wing, bright...

AI Technical Summary

Problems solved by technology

Thin-bodied porcelain is also known as "bodiless porcelain" and "eggshell porcelain". The thickness of the thin-bodied porcelain body is mostly within 1mm. People call it: thin as a cicada's wing, bright as glass, and light as a floating cloud. It is a famous Chinese traditional art porcelain. One of them is known as the "Pearl on the Crown of Chinese Ceramic Art". Due to the thin body of thin body porcelain, it is easy to deform and break during production and use, and has extremely high requirements for raw materials and manufacturing processes. Therefore, the output of thin body porcelain Very low, the production process of thin-bodied porcelain must go through more than forty processes from ingredients, blank drawing, blank trimming, glazing to painting and firing, all of which are done by hand and fired in three times, especially for blank trimming and artistic processing. It is the most precise. The trimming has to go through rough trimming, fine trimming, and fine trimming for hundreds of times, so that the thicker rough billet can be trimmed into a fine billet with a thickness of less than 1 mm in each part. Before glazing, the fine billet is placed at 750- Biscuit firing at 800°C. When glazing, the inner glaze is sprayed with glaze, and the outer glaze is sprayed with glaze. The thickness of the glaze layer is about 0.1mm. , the firing temperature is 1280-1320°C, and the preparation of thin-bodied porcelain needs to be fired many times, and the steps are cumbersome