Method and apparatus for controlling the pressure in the exhaust gas duct of a converter
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Oct 27, 2015
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Nov 7, 2014
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The invention relates to a method and an apparatus for controlling the pressure in the exhaust gas duct of a converter in a steel mill using a pressure control loop. To optimize the defined pressure setpoint for the pressure control loop so as to prevent excessive amounts of outside air from being drawn in via the converter mouth, the pressure setpoint is determined according to the invention by adapting a raw value based on the extent to which smoke or flames is/are formed at the mouth (120) of the converter (100).
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