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METHOD FOR MELTING RAW IRON WHILE RECIRCULATING BLAST FURNACE GAS BY ADDING HYDROCARBONS
METHOD FOR MELTING RAW IRON WHILE RECIRCULATING BLAST FURNACE GAS BY ADDING HYDROCARBONS
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机译:加氢使高炉煤气循环的原始铁的熔化方法
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摘要
The present invention relates to an oxygen-operated blast furnace (1) in which there is a reduction zone and in which the purified source gas (GG, EG) discharged from the reduction zone is recycled to the reduction zone by addition of hydrocarbons, To a method for melting pig iron. According to the present invention, the purified source gases (GG, EG) are mixed with hydrocarbons and have a temperature in excess of 1000 캜 and greater than 90% by volume in order to form a recycle gas (REZG) (REDG) produced by the partial oxidation of hydrocarbons by an oxygen gas having an oxygen content of about 20%, and the recycle gas (REZG) is recycled into the reduction zone according to the auto-reforming process.
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