A CO2 recovery device according to one embodiment includes a cooling tower including a cooling unit for bringing flue gas, which contains CO2, into contact with water so as to cool flue gas; a CO2-absorbing unit for bringing flue gas into contact with a CO2 absorbent (lean solution) so as to remove CO2 from flue gas; and a regenerator including an absorbent regenerating unit for releasing CO2 from a rich solution so as to regenerate the CO2 absorbent. The CO2-absorbing unit includes: a cocurrent flow CO2-absorbing unit provided in a cocurrent flow CO2 absorber, for bringing flue gas into contact with the CO2 absorbent in a cocurrent flow so as to remove CO2 from flue gas and a countercurrent CO2-absorbing unit provided in a CO2 absorber, for bringing flue gas into contact with the CO2 absorbent in a countercurrent flow so as to remove CO2 from flue gas.
申请公布号
CA2829942(C)
申请公布日期
2016.09.20
申请号
CA20122829942
申请日期
2012.04.11
申请人
MITSUBISHI HEAVY INDUSTRIES, LTD.;THE KANSAI ELECTRIC POWER CO., INC.
发明人
TSUJIUCHI, TATSUYA;TANAKA, HIROSHI;NAGAYASU, HIROMITSU;HIRATA, TAKUYA;OISHI, TSUYOSHI;TATSUMI, MASAHIKO;KADONO, KOJI