Firewood-fired porcelain yellow glaze

Abstract

The invention relates to firewood-fired porcelain yellow glaze. The firewood-fired porcelain yellow glazeis prepared from the following components in parts by weight: 20.18 parts of quartz, 33.23 parts of feldspar, 11.26 parts of calcite, 2.05 parts of talc, 18.83 parts of lime, 5.58 parts of phosphorus bone powder, 3.48 parts of agate stone, 2.56 parts of water bone stone and 2.83 parts of white metal soil; quartz sand is adopted as the quartz, the content of quartz in the quartz sand is greater than or equal to 90%; the feldspar is one or a combination of albite and potassium feldspar; and the phosphorus bone powder is any one of cattle bone powder, pig bone powder or horse bone powder, and the content of phosphorus is greater than or equal to 14.5%. The preparation method comprises the following steps of: step 1, green body preparation, specifically, preparing a green body for later use; step 2, grinding, specifically, weighing the components of the glaze according to the formula, and adding the materials into a Raymond mill for grinding; step 3, biscuit firing, specifically, performing biscuit firing to obtain a biscuit firing blank for use; step 4, glazing, specifically, glazing the biscuit firing blank; and step 5, firing, specifically, firing the glazed biscuit firing blank. The preparation process of the firewood-fired porcelain yellow glaze is reasonable, has good glossiness and is stable and free of color blocks.

Description

technical field [0001] The invention belongs to the technical field of ceramics, in particular to chai porcelain valley yellow glaze. Background technique [0002] Jun porcelain is based on the thickness of the glaze. Its color is either sunken under the glaze, suspended in the glaze, or floating on the surface of the glaze. The glaze is thick and lively, and the glaze layer is opalescent and moist. Jun porcelain is transformed into a god by the kiln, and the natural transformation of the kiln is the essence of Jun porcelain art, and it is also the rarity of Jun porcelain that is famous all over the world and famous in the porcelain forest. The same kind of glaze is applied during firing, and once fired, it will be colorful, that is, "one color when entering the kiln, and many colors when leaving the kiln". The ever-changing kiln transformation effect forms the magic of infinitely changing colors, purple in red, dark blue in purple, white in blue, red in white, multicolored...

AI Technical Summary

Problems solved by technology

The glaze color of Chai Kiln Jun Porcelain products seeps and transitions naturally, presenting a beautiful, elegant, handsome and elegant artistic style. This is also a firing process that is closest to the artistic effect of Jun Porcelain in Song Dynasty. It has high ornamental value, but currently there are The different firing process makes the fired color will be different. When firing firewood porcelain, according to the firing environment in the kiln, the glaze will change in the kiln, and some uncontrollable patterns or color blocks will appear, or the color luster will appear. Therefore, it is very necessary to provide a chai porcelain valley yellow glaze with reasonable production process, good gloss, stable glaze and no color block