| 摘要 |
PURPOSE:To reduce the installation area and installation cost, by regenerating and preheating absorbent when it is circulated and feeding to an absorbent container. CONSTITUTION:An absorbent container 11 for containing absorbent 10 which absorbs gas and a nitrogen cooling shevron 12 surrounding said container 11 are arranged in an exhaust duct 13, then a heater regenerator 15, feeding device 17 and a precooler 18 are coupled sequentially through an absorbent circulation piping 20 with the absorbent container 11. Consequently, absorbent 10 being regenerated and pre-cooled when it is circulated is fed into the absorbent container 11. Gas in the exhaust duct 13 absorbed by the absorbent 10, then the gas is discharged through regeneration of the absorbent 10 thus carrying out vacuum discharge of gas. Consequently, the installation area and the installation cost can be reduced, while furthermore the storage volume of gas can be reduced resulting in the improvement of safety.
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