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紫砂壶是如何烧成的
更新时间: 2020-07-06 00:00:00  

紫砂壶的泥料制作过程如下:从矿层中开采出的紫泥,俗称生泥;似块状岩石,经露天摊晒风化,使其松散,然后经初碎、粉碎,按产品要求的颗粒数目,送风筛选;筛选后的泥灰,由搅拌机搅拌成一块块泾泥,经堆放陈腐处理,再把腐泥进行真空练泥,这样便成为供制坯用的熟泥;在紫砂泥练和制备过程中,所用水的水质十分讲究;水质的优劣会直接影响产品的质量;紫砂泥可塑性好,生坯强度高,坯的干燥、烧成收缩率小; 烧成紫砂壶的窑炉,经历了龙窑、倒焰窑到隧道窑的演变。

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