| 摘要 |
PROBLEM TO BE SOLVED: To automatically add a required amount of corrosion inhibitor for suppressing the corrosion of piping where an absorption liquid flows. SOLUTION: At least the temperature of a high-temperature regenerator 4, the regeneration pressure of a high-temperature regenerator 4, or the temperature difference in the inlet/outlet of cold water are detected, a load rate is calculated based on at least either of the above data by a control panel 37, and the amount of corrosion of the corrosion inhibitor is obtained from the load rate. The control panel 37 opens a solenoid valve 41 for required amount of time based on the obtained amount of consumption and adds a corrosion inhibitor from a corrosion inhibitor tank 43 to an absorption liquid circuit.
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