Colored glaze stoneware tile and preparation method thereof

The invention provides a colored glaze stoneware tile, which is prepared from the following raw materials in parts by weight: 10 to 20 parts of red porcelain clay, 0.5 to 0.7 part of sodium metasilicate pentahydrate, 0.1 to 0.2 part of sodium tripolyphosphate, 10 to 20 parts of red clay, 20 to 30 parts of feldspar, 10 to 15 parts of paving stone, 5 to 10 parts of high-temperature sand, 10 to 15 parts of low-temperature sand, 3 to 5 parts of tremolite, 3 to 5 parts of pink kaolin and 10 to 15 parts of black mud. The invention also provides a preparation method of the colored glaze stoneware tile. The flowing property of the red porcelain clay is improved by selecting sodium metasilicate pentahydrate and sodium tripolyphosphate, the use proportion of the red porcelain clay is properly increased by introducing red clay and paving stone, and the cost is reduced. Compared with an original non-red porcelain adobe production formula, the sintering temperature is reduced by 15 DEG C or above, energy is saved, meanwhi