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EBT taphole filler

[2020-07-30]

EBT taphole filler is one of the key refractories for ebt-eaf, and its self opening rate is very important to ensure normal smelting cycle. On the one hand, it should have proper sintering performance to form a sintering layer, which can not only prevent the leakage of high temperature molten steel to the lower part of tapping hole, but also prevent accidents caused by the floating of filler; on the other hand, it is required that the thickness of sintering layer should be moderate, When the lower baffle of tapping hole is opened, the filler will fall under the action of self gravity, and the sintering layer will be broken and broken under the action of static pressure of molten steel and thermal stress after cold air is inhaled.

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