一次快速烧成红坯细炻彩釉(仿古)砖的坯体配方研制

Development of a Green Body Formula for Red Body Fine Stoneware Colored Glazed (Antique) Tiles with One Time Fast Firing

实验采用肯尼亚当地的软质黑粘土、粉色高岭土、硬质高岭土、高温砂、低温砂、铺路石、透闪石等坯用原料进行一次快速烧成400mm×400mm红坯细炻彩釉(仿古)砖坯体配方的研制。通过相关实验,最终确定红坯细炻彩釉(仿古)砖的最优坯体配方。实验结果表明:当坯体配方组成范围为软质黑粘土25-30(wt.%)、粉色高岭土5-10(wt.%)、硬质高岭土15-20(wt.%)、高温砂8-12(wt.%)、低温砂20-30(wt.%)、铺路石5-8(wt.%)、透闪石3-6(wt.%)、五水偏硅酸钠0.5-0.8(wt.%)时,在1170℃(5个高温区)左右烧成(烧成周期25min左右),可稳定试生产出产品综合性能良好的400mm×400mm红坯细炻彩釉(仿古)砖。

He experiment used Kenyan local soft black clay,pink kaolin,hard kaolin,high-temperature sand,low-temperature sand,paving stones,tremolite and other raw materials for rapid firing into 400mm×400mm red body fine stoneware glaze(antique).Development of brick body formula.Through related experiments,the optimal body formula of the red body fine stoneware colored glazed(antique)brick is finally determined.The experimental results show that:when the green body formula composition range is soft black clay 25-30(wt.%),pink kaolin 5-10(wt.%),hard kaolin 15-20(wt.%),high temperature sand 8-12(wt.%),low temperature sand 20-30(wt.%),paving stone 5-8(wt.%),tremolite 3-6(wt.%),sodium metasilicate pentahydrate 0.5-When 0.8(wt.%),it is fired at about 1170°C(5 high temperature zones)(the firing cycle is about 25 minutes),and it can stably produce a 400mm×400mm red body fine stoneware glaze(antique)with good overall performance.)brick.