Reddening of magnetic yoke of induction smelting furnace is a common fault phenomenon. If there is no problem with the circulation of cooling water, it can usually be solved from the following aspects:
1. The yoke is aged and the interturn coating is severely corroded. Solution: open the silicon steel sheet for surface coating treatment.
2. The magnetic yoke is stuck with molten steel (iron filings). Solution: Grind the magnetic yoke and clear the iron filings.
3. After the above treatment, if the fault still exists, try to adjust the overheating yoke to a position close to the furnace mouth for installation.
4. Check the furnace bottom thickness. If the induction furnace bottom is too thick, the magnetic yoke will become hot and red.
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