Regarding conversion furnaces
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Experts: What exactly is the furnace throat in a conversion furnace? How to prevent it?
The problem mentioned by the poster occurs in ammonia synthesis plants that use natural gas as a raw material; the furnace throat of the first-stage converter originates from the burner. During normal operation, pressurized gas (usually natural gas or exhaust gases containing natural gas, hydrogen, etc.) is ejected from the burner, which means it goes from a pressurized state to a atmospheric pressure state; this will definitely result in a whistling sound. However, to reduce the furnace roar noise, optimization can only be achieved by improving the burner structure. It is understood that burners with a lower furnace roar noise are already available.