本文介绍了湖南铁合金厂从炉外法冶炼金属铬收尘灰中回收氧化铬、再制取金属铬的工艺及试验情况。
Process and tests on recovering chrome oxide in metal chrome dust by metallothermic reduction and then producing metal chrome in Hunan Ferroalloy Works are introduced.
热态试验表明，竖炉用含碳铬矿球团可以冶炼出含铬20%的铬铁合金。
Smelting test showed that an alloy contained 20% Cr can be produced by shaft furnace with carbon bearing chrome-ore pellets.
文章阐述了新钢公司铁合金厂生铁高炉强化冶炼过程中的做法，出现的问题和护炉保产措施。
Measurement of guarding the france and increasing the production in strengthening smelting process of pig iron BF at ferroalloys plant of Xinsteel are expounded.
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