chemical flux
艾萨技术包括通过喷枪向熔池喷吹一定量的空气和氧气，同时向熔池内加入精矿、熔剂和返料。炉内物理和化学状况和综合熔炼效率在很大程度上取决于喷枪的性能。
The Isa technology comprises blowing a certain amount of blast air and oxygen through the lance into the molten bath consisting of concentrate, fluxes and reverts.
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