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The converter is the main metallurgical equipment for processing matte in the copper smelting process. Its main function is to blow the matte produced from the flash furnace or the bottom blowing furnace into the blister copper in the molten state.
Converters are almost all installed horizontally, called horizontal converters. The biggest feature of converter blowing is that it does not need fuel, but relies on the heat released by the oxidation reaction of iron and sulfur in the matte with the air blown into the melt to provide all the heat expenditure.