Reduced dusting bath system for metallurgical treatment of sulfide materials
AssigneeInco Limited
InventorsCarlos Manuel Diaz, Samuel Walton Marcuson, Anthony Edward Warner, Geoffrey Edwin Osborne
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Abstract
A pyrometallurgical vessel suitable for continuous or semicontinuous smelting and/or conversion of molten base metal sulfide feed materials. The top blown, bottom stirred vessel includes oxidizing gas lances and feed pipes directing their respective contents directly or indirectly into bath eyes opened up in the molten bath by gas injected through porous plugs disposed at the base of the vessel. Low space velocities in the vessel result in reduced dusting.
Claims12
A reduced dusting pyrometallurgical system comprising a vessel, the vessel including a body, the body defining a central chamber therein, the vessel including a lower portion for holding molten material, a roof disposed above the lower portion of the vessel, and two opposed end walls, porous means for injecting inert gas extending through the lower portion of the vessel, the porous means for injecting inert gas adapted to form at least one bath eye in the molten material, an oxidizing gas lance positioned above the lower portion of the vessel so as to direct the oxidizing gas toward a sphere of influence of a bath eye, and means for drop feeding material into the vessel positioned above the lower portion of the vessel so as to direct the feed toward the sphere of influence of a bath eye.
Dependencies are inferred from the claim text.