Blower location
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For the raw gas coming from coke ovens, there are the following two process routes – which one is better? Coke oven → Primary cooler → Blower → Electrostatic precipitator → Desulfurization → Ammonium sulfate → Crude benzene Coke oven → Primary cooler → Electrostatic precipitator → Crude benzene → Desulfurization → Blower → Ammonium sulfate
Personally, I think the second process flow – coke oven → primary cooler → electrostatic precipitator → crude benzene → desulfurization → blower → ammonium sulfate – is good. Reason: The blower has a low degree of corrosion, allowing it to operate for extended periods.
The proper process is: coke oven → primary cooler → electrostatic precipitator → desulfurization → blower → ammonium sulfate → crude benzene. Using the sodium-alkali method to carry out desulfurization after the crude benzene stage saves energy
Option 1: Adjusting it before the gas fan is the most suitable approach