Discussion on liquid level control issues in rich liquid flash tank of solvent regeneration device.
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The liquid level control of the rich liquid flash tank of the solvent regeneration device is usually controlled by the rich liquid control valve entering the tower. If a control valve is not used, is it feasible to use the rich liquid pump frequency conversion control? What are the advantages and disadvantages compared to control solutions using control valves?
Yes, generally the amount of rich liquid is stable. You only need to control the feed to the regeneration tower. If the amount suddenly becomes large, you need to control the amount of rich liquid.