Blast furnace gas burning facility and method for operating the same
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United States of America Patent
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Mar 6, 2012
Grant Date -
Dec 24, 2009
app pub date -
Jul 4, 2008
filing date -
Jul 4, 2007
priority date (Note) -
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Abstract
The blast furnace gas burning facility prevents a wet type dust collector from freezing under such conditions that the temperature of blast furnace gas does not exceed the freezing lower-limit temperature of the wet type dust collector. The blast furnace gas burning facility 1 burns blast furnace gas discharged from a blast furnace by supplying the gas to a combustor 2 after removing dust with a wet type dust collector 7 and compressing the gas with a compressor 8. A fuel-gas heating channel 12 is disposed between the outlet side of the compressor and the inlet side of the wet type dust collector. When the temperature of the blast furnace gas flowing into the wet type dust collector is lower than a lower limit temperature, a high-temperature, high-pressure gas compressed by the compressor is diverged and supplied into the inlet side of the wet type dust collector.
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