釉面砖是一种外观质量和耐久性要求都比较高的陶瓷饰面材料。其焙烧工艺有一次烧成和二次烧成两种。我厂在隧道窑中焙烧釉面砖,采用的是二次烧成法。本文就釉面砖的釉烧工艺作一简要介绍。一、我厂隧道窖概况我厂隧道窑系直接火焰式,原设计焙烧卫生陶瓷和低压绝缘子。窑的概况如下: Glazed tiles are ceramic facing materials that have a high appearance quality and durability requirements. The firing process includes one firing and two firings. Our factory roasted glazed bricks in a tunnel kiln using a secondary firing method. This article gives a brief introduction to the glaze firing process of glazed tiles. I. Overview of our factory’s tunnels Our factory’s tunnel kiln is a direct flame type, originally designed for roasting sanitary ceramics and low-voltage insulators. The kiln’s profile is as follows: