Translation about lining inspection?
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Some refractory-tile lining are hung with a blanket of ceramic fiber or other insulation between the shell and tile. Broken or missing tiles create lanes for the channeling of any fluid that gets behind the lining. This results in the washing away of some insulation.
There is a layer of ceramic fiber or other insulation material between the refractory brick lining and shell. If the refractory bricks are damaged or missing, channels can be created that allow liquids under the lining to channel, eventually causing some of the insulation to be washed away.
Some refractory liners have a ceramic fiber blanket or other insulation material laid between the refractory bricks and the furnace wall. If the ceramic tiles are missing or damaged, they can become a pathway for fluids to enter the lining. ； As a result, part of the insulation material was washed away.
I've done lining. Stoves are usually lined not for liquids, but for gas flow. This is true for cracking furnaces and incinerators.
Indeed, they are generally high-temperature gases, otherwise they are called refractory materials.