According to the change of temperature profile at the centre of the pot, the changing tendency of the level can be judged, and a procedure for remedying deteriorating operation is also described.

• 玻璃固化的工艺方法很多,其中设备简单、操作容易、需远距离维修少的方法是罐式法。罐式法的主要工艺设备是固化罐。