Can the lining of an acidic gas combustion furnace be displaced?
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It was recently discovered that the viewing window of the acidic gas combustion furnace is blocked by the lining; could the furnace lining shift? Have you encountered a similar situation again? Please explain!
I have seen cases where the refractory bricks at the corners, after expanding due to heat, are pushed out and cannot be returned to their original position after the operation is stopped and the temperature drops; however, I have not seen any instances of refractory bricks in the observation holes shifting.
It is estimated that poor lining installation caused uneven thermal expansion; generally, after drying, it is necessary to open it up for inspection before resuming work!