Equipment for injection simultu00e1nea of natural gas and coal in the blast furnace double spear ventaneiras

摘要

Equipment for simultaneous injection of natural gas and coal in the blast furnace double spear ventaneiras refers the present application of invention patent to an equipment which is intended to enable the simultaneous injection of natural gas and pulverized coal, through ventan Floors of the blast furnace double spear, installed in each ventaneira.With this equipment, has been in the process, the division of the flow of pulverized coal and gas simultaneously in ventaneiras of blast furnace, optimizing the combustion of the mixture of two fuels, increasing the efficiency of the blast furnace with consequent reduction of operating cost.