How can the lining be dried to the best possible degree?
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How is the quality of the lining in a catalytic reaction tower determined in the real world? ? ? ? ? ? ? ? ? ? ? ? ? ?
Dry the lining, and after drying check that there are no cracks or fissures in the lining； No bulges, firm in texture; no powder comes out when crushed; no hollow sound when tapped, and it is dense.