Glass Refractory

Refractories in different areas of a glass furnace react with different operating environment. That’s why different types of refractory are used in the different parts of the glass furnaces. ... Refractories in this part are required to have a high thermal shock resistance and corrosion and erosion resistance

In glass industry the different types of products need different furnace design. The furnace can be a recuperative, a regenerative or an oxy fuel one in terms of the combustion system used. There are ten refractory types which are commonly used in the glass furnaces. The refractories used in glass furnaces are in contact with the glass, the superstructure, the crown and the regenerator materials and which is why they are constrained to chemical, physical, as well as thermal effects. Glass defects occur in many different forms while the defect sources exhibit a consider

The glass furnace refractories have to go through severe environmental conditions throughout the process. Their selection is vital for the quality of the glass and the length of process. Thermal shock, physical wear, high temperature and corrosive chemicals affects the refractory and hence the furnace performance. They are materials that can resist high temperatures and are expected to maintain their physical properties through the furnace life.

In glass industry the different types of products need different furnace designs. The latter major differences refer to the combustion system type and the forming technique. The furnace can be a recuperative, a regenerative or an oxy fuel one. The regenerative furnaces are more widely used..Generally three main regenerative furnace types as seen in are used in conventional industrial glass production.

Refractory related glass defects

Glass defects occur in many different forms while the defect sources exhibit a considerable diversity. For example, two defects may have the same structure and character but an origin which comes from different sources and driven by different mechanisms. The glass technologist who investigates glass defects should be able to appreciate these differences aiming a successful trouble shooting.

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