Method for smelting lead-bismuth concentrate in oxygen-rich side-blown duplex furnace
An oxygen-enriched and concentrate technology, applied in the direction of improving process efficiency, can solve problems such as increased production cost and energy consumption, inability to meet environmental protection requirements, and long time-consuming metallurgical process, achieving low production cost and improving hearth index value. , the effect of simplifying the smelting process
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[0023] The present invention will be described in detail below with specific embodiments in conjunction with the accompanying drawings, but it is not interpreted as a specific limitation to the present invention.
[0024] The main components of the lead-bismuth concentrate processed in this example are as follows: Bi36.83; Pb12.24 S19.77; Cu4.08; Fe2.67; Ag0.000921; SiO 2 2.09; CaO0.38;
[0025] A method for smelting lead-bismuth concentrate in an oxygen-enriched side-blown double furnace, comprising the following steps:
[0026] ① Ingredients
[0027] According to the mass ratio of lead-bismuth concentrate:limestone:quartz sand=1:0.07:0.12, the material is weighed, after the disc feeder feeds the material, it is sent to the oxidation smelting section of the oxygen-enriched side-blown double furnace by the belt conveyor Inside;
[0028] ②Coarse bismuth alloy smelting
[0029] For the furnace material entering the oxidation smelting section of the oxygen-enriched side-blown...
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