Colorful ceramic and preparation method thereof

Abstract

The invention provides colored ceramics and a preparation method thereof. Ceramic mud for the colored ceramics at least comprises the following compositions in weight percentage: 20 to 35 percent of kaoline, 60 to 70 percent of at least two of pottery stones, lithium pottery stones, feldspar and quartz, 0.2 to 6 percent of coloring matter, and 1 to 5 percent of nanometer quartz. The method for preparing the colored ceramics comprises the following: a step of pulp injection molding, in which part of colored mud cake or colored mud strip is mixed with liquefacient with 0.3 to 0.8 percent of total amount for pulping, and the mud which is screened from a screen of between 80 and 120 meshes is injected into a mold to produce a hollow or solid briquette; and a step of glazing and maturing, in which the briquette which is manufactured by pulp injection molding or plastic molding is cemented and dried according to creativities, and are directly applied with clear glaze, and the glazed briquette body is placed in an oxydizing flame roller kiln or an electrical kiln for 1 to 4 hours at a temperature of between 1,150 and 1,200 DEG C for maturing. The method can not only reduce clinkering cost, but also improve the moisture retention, bonding performance and corrosion resistance of strong ceramic mud, and further show energy conservation and environmental protection.

Description

technical field [0001] The present invention relates to ceramics with colorant, in particular to a colored ceramic and a preparation method thereof. Background technique [0002] The applicant's prior patent CN100402459C announced the "Preparation Method of Sculpture Art Color Ceramics", which can use a wide range of raw materials, a wide range of porcelain clay formulations, and strong adaptability to colorants. The artistic colored ceramics with small size can directly apply transparent glaze to the unbaked clay body, and then fire it in an oxidizing atmosphere at a temperature of 1200 ° C ~ 1250 ° C to make products with bright colors, rich beauty and good decorative effect, especially beneficial to Promote and apply in industrial production. However, in the preparation process, the shed plate used for oxidizing flame firing at 1200 ° C ~ 1250 ° C is easily deformed, which increases the sintering cost accordingly; the water retention of colored porcelain clay is poor, an...

AI Technical Summary

Problems solved by technology

However, during the preparation process, the shed board used for oxidizing flame firing at 1200°C to 1250°C is easily deformed, which increases the cost of firing accordingly; the water retention of colored porcelain clay is poor, and it will dry and crack during storage and use; and, The bonding and anti-corrosion properties are also poor. During the preparation and transportation of the mud, local fractures and attachments often occur. Mildew spots will occur when the porcelain clay is placed for a long time, which will affect the appearance and firing quality.