The Main Factors Of Furnace Cover Life
The main factors of furnace cover life
1. Temperature changes caused by the arc heating, tapping and movement of the furnace cover .
2. Chemical erosion. Molten slag spattering to the surface, causing chemical erosion, as well as the effection of CO, CO2 and SiO2 in the furnace;
3. Arc radiation. Melting loss caused by thermal radiation ;
4. Wear of high speed airflow caused by high speed dust extraction in the furnace; therefore, the refractory materials for the furnace cover must have good thermal shock, corrosion resistance to high temperature splashing, and good integrity, firm structure and no cracking.
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