Device for the purification of molten steel

Claim 1

IN A DEVICE FOR THE PURIFICATION OF MOLTEN STEEL, IN COMBINATION, CONTAINER MEANS FOR HOLDING A BODY OF MOLTEN STEEL; SAID CONTAINER MEANS HAVING A BOTTOM WALL; WITHDRAWAL MEANS FOR WITHDRAWING MOLTEN STEEL FROM SAID CONTAINER MEANS; GAS DISTRIBUTING MEANS IN SAID BOTTOM WALL OF SAID CONTAINER MEANS; AND BLOWING MEANS FOR BLOWING A GAS THROUGH SAID GAS DISTRIBUTING MEANS INTO SAID CONTAINER MEANS, SAID BLOWING MEANS INCLUDING A BLAST BOX CHAMBER LOCATED BELOW SAID CONTAINER MEANS IN DIRECT CONTACT WITH THAT PORTION OF SAID BOTTOM WALL IN WHICH SAID GAS DISTRIBUTING MEANS ARE LOCATED AND IN DIRECT COMMUNICATION WITH THE LATTER AND ADAPTED FOR COMBUSTING A COMBUSTIBLE GAS THEREIN, AND ALSO INCLUDING MEANS FOR INTRODUCING A COMBUSTIBLE GAS AND FOR INTRODUCING OXYGEN INTO SAID BLAST BOX CHAMBER, WHEREBY THE COMBUSTION GASES WILL BE CREATED IN SAID BLAST BOX CHAMBER IN DIRECT CONTACT WITH SAID GAS DISTRIBUTING MEANS SO AS TO HEAT THE SAME TO A HIGH TEMPERATURE AND THEREBY TO PREVENT CLOGGING THEREOF BY THE STEEL IN SAID CONTAINER MEANS.