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The state-of art of magnsia-chrome refractories fromdirect-bonded magnesia chrome brick to fused-grain re-bounded magnesia chrome brick for P-S converter is dis-cribed. The Cr_2O_3 content of the brick is continually in-creased with the reduction of the impurity content of brick,the pre-synthetic raw material is applied and the operatingcondition of converter is optimized so that the service life ofconverter is largely enhanced.
The state-of art of magnsia-chrome refractories fromdirect-bonded magnesia chrome brick to fused-grain re-bounded magnesia chrome brick for PS converter is dis-cribed. The Cr203 content of the brick is continually in-creased with the reduction of the impurity content of brick, the pre-synthetic raw material is applied and the operatingcondition of converter is optimized so that the service life ofconverter is substantially enhanced.