Batch distillation tower
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When operating a batch distillation tower, how to determine the amount of evaporation during total reflux? How to control it during the extraction process after total reflux, whether to continuously change the temperature of the tower still, or to control the pressure difference between the top and bottom of the tower.
Install a flow meter in the return line. The evaporation volume should be 3/4 of the flow meter. After total reflux, during the extraction process, the most important thing is to control the temperature at the top of the tower. Gradually, the extraction at the top of the tower will be reduced, and the kettle temperature will gradually increase.