Importance

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Abstract

Apparatus for producing lead and zinc from concentrates of zinc and lead sulfides or oxides, including: a source of zinc ore and/or lead ore concentrates, iron bearing and carbon containing materials; metallic iron fines and iron oxide fines; carbonaceous reductant; fluxing agent; and a binder; a mixer for forming a mixture from said concentrates and other materials; an agglomerator communicating with the mixer for forming agglomerates from the mixture; a melting furnace for melting the mixture and vaporizing lead and zinc; a pressure sealed feed system communicating with the agglomerator and the melting furnace for introducing agglomerates to the melting furnace; a pressure sealed chamber surrounding the melting furnace; a water-cooled condenser for receiving the vaporized metal and cooling and condensing the metal vapors to liquid metal; a tapping device communicating with the condenser for removing the liquid metal; and associated devices for separating the zinc and lead and recovering the lead and zinc metal separately.

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First Claim