Reasons and solutions for lining material burst of intermediate frequency furnace

 Reason one for the bursting of the lining material of the intermediate frequency furnace:

After the micropowder is introduced into the intermediate frequency furnace, many small gaps are filled, which reduces the air permeability of the intermediate frequency furnace lining material and causes bursting.

Reason two for the explosion of the lining material of the intermediate frequency furnace:

The zeolite-like calcium-aluminum-silicon hydrate or gel formed in the lining of traditional intermediate frequency furnaces rarely forms exhaust passages due to the decomposition of hydrates before 300 degrees. After 300 degrees, the rapid dehydration releases a large amount of water vapor and causes bursting.

The easy solution to the bursting of the lining material of the intermediate frequency furnace:

1. Use a reasonable drying and heating system to control the maximum vapor pressure inside the furnace lining;

2. Add explosion-proof materials such as explosion-proof agent to the furnace lining to increase the air permeability of the hardened body and reduce the internal vapor pressure of the castable.

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Article Source:Causes of perforation of ladle nozzle in use and solutions
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