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Effects of carbonaceous materials on anti-sintering ability and slag penetration resistance of magnesia based dry vibrating materials for tundish
Author(s): 
Pages: 194-196,200
Year: Issue:  3
Journal: Refractories

Keyword:  magnesia based dry vibrating materialscarbonaceous materialsanti-sintering abilityslag pen-etration resistanceused electrodes;
Abstract: To solve the problems of over-sintering and poor slag penetration resistance during application, four carbonaceous materials (3%,in mass,the same hereinafter)were added separately into the magne-sia based dry vibrating materials which were prepared with sintered magnesia crushed aggregates as main starting material,adding 5% solid phenol resin as low temperature binder and 1% natron as medium temperature binder.The four carbonaceous materials were metallurgical coke powders,used electrodes, crushed petrol coke,and flake graphite,respectively.The results show that each of the four materials can improve the anti-sintering ability and slag penetration resistance of magnesia based dry vibrating materials for tundish,and the effect of 3% used electrodes is the best.
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