PROCESS FOR PRODUCING PUZZOLANES, SYNTHETIC BLAST FURNACE SLAGS, BELITE ODER ALITE CLINKERS AS WELL PIG IRON ALLOYS FORM OXIDIC SLAGS AND ARRANGEMENT FOR CARRYING OUT SAID PROCESS

摘要

he invention relates to a method for making puzzolanes, synthetic blast-furnace slags, belite or alite clinkers and pig-iron alloys from oxidic slags, in which the oxidized liquid slag is reduced over a 300mm-1200mm high iron bath, with carbon being injected into the iron bath by means of bath tuyeres, in order to maintain a carbon content of between 2.5 % and 4.6 % by weight. The invention also includes an apparatus for carrying out the manufacture of puzzolanes as seen in Figure II.