Decopperization in Steel Melt by Gasification
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摘要: 在1600℃、常壓Ar氣氛下,向鋼液中分別加入NH4及(NH4)2C2O4,將400g鋼水含銅量從0.5%分別降至0.31%及0.38%僅用脫銅劑07~0.8g.然而,如果不降低體系的壓力,在相同條件下用銨鹽脫銅很難將鋼含量降至0.30%以下.Abstract: The experiments were carried out at 1 600℃ and normal pressure under an Ar atmosphere. The result showed that the copper content (mass fraction) in steel melt of 400g was reduced from about 0.5% to 0.31% and 0.38% respectively when 0.7~0.8g of NH4Cl or (NH4)2C2O4 as the decopperizing agents added to the melt. However it is very difficult to reduce the copper content below 0.3% without reducing the pressure of the reaction system.
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Key words:
- steel melt /
- copper removal /
- gasification /
- ammonium salt
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