Co2 Recovery Device And Control Method

Abstract: Provided is a control device that actuates a blower on the basis of operable conditions. This CO2 recovery device comprises: a regeneration tower; an absorption tower; a rich line; a flowmeter and a rich valve provided to the rich line; a lean line; a flowmeter and a lean valve provided to the lean line; a bypass line that returns, to the regeneration tower, absorption liquid flowing through the lean line; a bypass valve provided to the bypass line; and a control device that, when starting the circulation operation during normal times, controls opening degrees of the rich valve, the lean valve, and the bypass valve such that the liquid surface height of the absorption liquid in the regeneration tower reaches a prescribed target value.

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