仿古琉璃瓦原料及制备
Raw materials and preparation of antique glazed tile
1 选坯料
1 billet selection
琉璃瓦可选用大青、二青、缸土、碱土、紫砂，木节等软硬质原料及废匣钵粉、瓷粉等原料。另外，也可用部分采用煤矸石、煤研灰等矿物废渣、工业副产品来降低生产成本，也获得满意效果。
Glass tiles can be made of Daqing, Erqing, cylinder soil, alkali soil, purple sand, wood joints and other soft www.buxiuganfalan.cn www.diaosuoju.org.cn www.kaimianji.cn www.shusongjii.cn www.lianban.org.cn www.fujuanjii.cnand hard materials, as well as waste boxes, pottery powder and other raw materials. In addition, some mineral wastes such as coal gangue, coal grinding ash and industrial by-products can be used to reduce production costs, and satisfactory results have been achieved.
用的是当地的两种紫砂原料，将其置换白坯料中的青土成分而配成。
Two kinds of local purple sand materials are used to replace the green earth component in the white blank.
2、注浆坯料的制备
2. Preparation of grouting blank
将原料按配方准确称量入球磨细碎，过60目筛陈腐备用。主要用来制作琉璃瓦的小、中型异型件。
The raw materials are weighed accurately according to the formula and grinded and then sifted through 60 meshes for stale reserve. It is mainly used to make small and medium-sized special-shaped parts of glazed tile.
3、挤制和塑压成型坯料的制备
3. Preparation of extrusion and plastic pressing blanks
将原料经粉碎后分类存放，不能混入杂质，坯料制备按照配方准确称量后，平铺于洁净地面，一种原料铺一层，然后加入一定量的水分，人工将其混匀。将混合坯料入搅泥机，搅练2—3次，陈腐两天后供成型使用。
After crushing and sorting, the raw materials can not be mixed with impurities. After the preparation of the billet is weighed accurately according to the formula, it is laid on the clean ground. One kind of raw material is laid on a layer, and then a certain amount of water is added to mix it artificially. Put the mixed billet into the mixer and stir it for 2 - 3 times. It will be stale for moulding after two days.