May I ask, the steam injected into the burner of the ethylene cracking furnace to reduce nitrogen oxides – what is the quality of this steam?
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Question: In ethylene cracking furnace burners, steam is injected to reduce nitrogen oxides; what is the quality of this steam? I saw on the internet that it’s medium-pressure steam
Generally, steam with pressure ratings of 3.5 kg and 16 kg are both suitable, as the maximum steam pressure at the burner side is also around 4 kg; pressures higher than this can cause flame separation. Both types of steam ethylene plants are available, which should be quite convenient. Spraying steam during normal operation is not very effective; it is mainly used during furnace switching and coking processes to rapidly reduce nitrogen oxides.