APPARATUS FOR BLOWING PULVERIZED COAL INTO METAL RECEIVER OF BLAST FURNACE

摘要

FIELD: apparatuses for simultaneously blowing pulverized coal and gaseous oxidizer into blast furnace shaft. SUBSTANCE: in zone of end of tuyere nozzle pulverized coal is introduced to hot air blast in the form of hollow ring-like stream. Gaseous oxidizer is introduced inside said hollow ring-like stream. Lance includes two coaxial pipes and distributing apparatus provided with central opening for pulverized coal. EFFECT: improved design. 16 cl, 8 dwgg