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A unit for Pb smelting and pyro-refining

Technologies

A unit for Pb smelting and pyro-refining

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CINF Engineering Corporation Limited

This invention discloses a unit for Pb metal smelting and pyrorefining, incl. oxidization and smelting furnace, oxygen sideblown reduction smelting furnace and fuming furnace connected through the slag chute, and also incl. pyrorefining crucible, which is connected through the lead bullion chute to the oxidization and smelting furnace, oxygen sideblown reduction smelting furnace. The invention has made a breakthrough to the traditional practice of separated smelting and pyrorefining operation by the arrangement of oxidization and smelting furnace, oxygen sideblown reduction smelting furnace, fuming furnace and pyrorefining system in one area to form a pyrometallurgical system instead of the currently applicable electrically heated settler, lead bullion casting machine. This invention can realize the hot lead bullion direct refining to make the utmost of the material potential heat, reduce the energy consumption, reduce the process equipment and OPEX and facilitate the production management.