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The Repair of the Electric Furnace Bottom and Door

Date:2016-08-15 14:38 From:Zhengzhou Sunrise Refractory Author:admin
When the door of an electric furnace is damaged, there are 3 ways to repair it.
(1) Use hot state rapid monolithic repair materials. After tapping, repair the damaged areas. After the repair is finished, delay the oxygen blowing time in the melting period. After the repaired areas are sintered firmly, start normal smelting. The common repair materials used include tar magnesia and electric furnace bottom ramming materials. 
(2) Use monolithic gunning materials in the damaged area. 
(3) Use special shaped refractory materials, such as dolomite tar brick, tar magnesia carbon brick and magnesia carbon brick to repair the damaged areas. 
The repair for the bottom should be carried out with bottom ramming mass after tapping. The ramming mass is lifted and thrown into the damaged areas. Then flatten the ramming mass with tools. 


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