The usual maintenance time is 5-6 hours; how can the temperature be controlled more effectively?
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It is divided into blast furnace gas heating and coke oven gas heating. How much in advance should control be carried out appropriately? Should the flow rate be reduced or the valve closed, and when should operation be resumed?
The high-temperature treatment method for one or several combustion chambers is to shut down the burner; regular maintenance is carried out on the entire furnace, so it is more reasonable to reduce the gas supply
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This post was last edited by hao101029 on 2012-8-28 at 21:41. Temperature control measures were taken due to the long duration of the process; in some cases, the valves were closed. It is more reasonable to reduce the gas flow rate when coke is not produced after a long time. Start reducing the flow rate before maintenance. During recovery, gradually increase the flow rate as it approaches exhaustion.