Bone china prepared by using Yazhou clay and preparation technology thereof

Abstract

The invention discloses bone china prepared by using Yazhou clay and a preparation technology thereof. The bone china is prepared by the following raw materials: 30-50 parts of phosphorite, 30-50 parts of the Yazhou clay, and 20-30 parts of bauxite. The method comprises the following steps: 1) calcining the phosphorite, smashing and sieving, selecting fine powder, to obtain a product A; 2) smashing and sieving the Yazhou clay, selecting fine powder, to obtain a product B; 3) smashing and sieving the bauxite, selecting fine powder, to obtain a product C; 4) mixing the product A, the product B and the product C, to obtain raw material powder; 5) performing impurity-removal and obsolescence on the raw material powder, and preparing a blank material; 6) enabling the blank material to be prepared as a shape of the prepared china, to obtain a blank body; and 7) firstly drying the blank body, and placing in a kiln for sintering, to obtain a finished product of the bone china. The bone china has the characteristics of easy acquisition of raw materials, low cost, simple preparation technology, and easy operation. In addition, the bone china further has the characteristics that a problem ofa low additional value of the Yazhou clay is solved, and the resource advantage of the phosphorite is developed.

Description

technical field [0001] The invention relates to a bone china and its manufacturing process, in particular to a bone china made of Yazhou pottery clay and its manufacturing process. Background technique [0002] Pingtang County, Guizhou Province is rich in ceramic raw material resources, with reserves of tens of millions of tons of clay and tens of millions of tons of kaolin, which have significant advantages in the development of the ceramic manufacturing industry. The clay mineral resources in Pingtang County are of high grade and easy to exploit. They are mainly distributed in Miyin and Pingzhai in Pinghu Town, Pingtang County, Zhuoping and Changzhai in Yazhou Town, Dangzhen in Tongzhou Town, and Waishan in Kedu Town in Pingtang County. The plant is dominated by siliceous debris hydromica clay, which is a Quaternary slope deposit. Yazhou clay in this area belongs to high plasticity clay, Al 2 o 3 15%-30%, SiO 2 40%-75%, Fe 2 o 3 less than 3%. [0003] Bone china, re...

AI Technical Summary

Problems solved by technology

[0005] Although bone china has a high-quality porcelain texture, the production of bone china is more difficult than ordinary porcelain, especially the source of aggregate, cumbersome processing technology, and high energy consumption, which lead to high cost of ashes