Quench spray issue
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The amination of 2,6-dichlorotoluene to produce 2,6-dichlorobenzonitrile is carried out using a fixed-bed reactor. Since ammonium chloride is generated as a by-product of this reaction, to prevent it from clogging the pipes, the temperature at the reactor outlet is cooled to 300°C through air cooling. After that, the mixture enters a quench tower, where it is sprayed with cool water to bring the temperature down to around 80°C, before proceeding to a washing tower. The freezing point of 2,6-dichlorobenzonitrile is 146°C. I would like to ask everyone whether this process concept is feasible? How should this quencher be designed?
Since you’re very afraid of clogging, use anti-clogging internals or directly spray with a tower nozzle
The design of the quenching device in acid production units using waste acid can be used as a reference
We can discuss on QQ: 360382988