A DIRECT SMELTING PROCESS

摘要

A DIRECT SMELTING PROCESS AND A FIXED, IE NON-ROTABLE, METALLURGICAL VESSEL FOR PRODUCING METAL FROM A METALLIFEROUS FEED MATERIAL IS DISCLOSED. THE PROCESS IS A MOLTEN BATH-BASED PROCESS WHICH INCLUDES INJECTING SOLID FEED MATERIALS WITH A CARRIER GAS INTO THE MOLTEN BATH VIA ONE OR MORE DOWNWARDLY EXTENDING LANCE/TUYERE (11) AND CAUSING GAS FLOW THE MOLTEN BATH AT A FLOW RATE OF AT LEAST 0.50 NM3/S/M² AT THE INTERFACE BETWEEN THE METAL LAYER (15) AND THE SLAG LAYER (16) OF THE MOLTEN BATH (UNDER QUIESCENT CONDITIONS).(FIG.1)