Refractory well blocks play a vital role in the continuous casting process in the steel industry. Made from carefully selected refractory materials, they are able to withstand extreme conditions. Well block refractory is mainly made of materials such as high – alumina, magnesia – aluminum spinel, and refractory castables. The specific refractoriness can be adjusted by changing the composition and proportion of raw materials according to different application requirements. For example, well block refractory with a higher alumina content generally has a higher refractoriness.
| Difference | Tundish Well Block | Ladle Well Block |
|---|---|---|
| 위치 | Bottom of the tundish | Bottom of the ladle |
| Primary Function | Controls the flow rate of molten steel into the mold and improves steel cleanliness | Controls the flow rate of molten steel from the furnace into the ladle and, in some cases, adjusts the steel composition |
| Operating Stage | Continuous casting process | Steelmaking and teeming process |
Well block refractory features high refractoriness, withstanding over 1770°C. It has strong chemical resistance against acids and alkalis, plus excellent mechanical strength to endure stress and abrasion in high – temp settings.
Well block refractory has multiple applications. In metallurgy, it lines ladles and tundishes, protecting against molten metal’s high heat. In cement production, it’s used in rotary kilns to resist heat and chemical corrosion. In glass manufacturing, it safeguards melting furnaces. Its heat – resistant and durable nature makes it vital for these high – temperature industrial processes.