BLEND FOR FABRICATING BRIQUETTES FOR CLEANING BLAST FURNACE CHIMNEY Russian patent published in 2005 - IPC

FIELD: ferrous metallurgy.

SUBSTANCE: briquette fabrication blend comprises oxidized iron-containing materials, carbon-containing materials, manganese-containing materials, fluxing additives, cement, and plasticizers in amounts providing contents of carbon, iron, manganese, calcium, silicon, magnesium, and aluminum oxides, with which weight ratios of elements and oxides C/Fe, Mn/Fe, CaO/SiO₂, MgO/Al₂O₃ in charge lie in the ranges 0.05-0.15, 0.03-0.2, 0.6-1.2, and 0.2-0.6, respectively. Coarseness of carbon-containing materials is up to 10 mm and that of iron ore, manganese-containing, and fluxing materials is up to 3 mm.

EFFECT: improved functional and metallurgical properties of briquettes.

5 cl