AGI的着色前置戒指是一种有利的制造彩色玻璃的方法，而无需改变整个炉子中的颜色。优点同时具有两种颜色和临时着色过程的可能性。
颜色戒备技术非常灵活，允许各种颜色的全系列产品，包括容器，餐具和化妆品容器。
着色前置戒指的设计取决于所需的容量，用中心线辐射冷却或用中心线空气冷却工作。两者都代表了今天在戒备设计中最先进的技术。耐火材料结构设计是最新的现代化建筑，采用当今的所有技术，实现均匀的颜色分布以及高热均匀性和最小能量要求。
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高质量的耐火材料用于通道块，其包围适当的绝缘材料。
上部结构的屋顶块由不同种类的耐火材料制成，以实现长寿。具有高密度和低孔隙率的特殊粘合的铝氧化锆氧化物耐火材料（锆石莫来石）用于着色部分，其中施加高腐蚀着色剂而冷却和调理部分用Sillimanite材料覆盖。盖块具有特殊形状，以实现GOB点的最高温度均匀性。
戒备是根据所需颜色，吨位和现场条件的颜色进行单独设计。所有戒律通常都包括
- 加热和加药区
- 搅拌器区
- 冷却区
- 调理区。
对于加热和剂量区，AGI提供了一种精确的工作称重系统，以将着色剂的准确量送入玻璃表面上。随后的搅拌区配备有几个搅拌器单元的长凳，以将着色剂与基本燧石玻璃混合。
在着色前戒指中最重要的是稳定的气体/空气混合物加热系统，以免影响颜色，特别是在降低气氛中的颜色。因此，AGI提供了精确的混合科学系统。此外，可以安装λ控制以调节气体/空气混合物中的实际氧含量。
AGI的着色前置戒刀系统适用于多种玻璃行业，如集装箱玻璃，餐具或薄层玻璃生产。
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