| 摘要 |
PROBLEM TO BE SOLVED: To provide a recirculated exhaust gas purification device and its method with countermeasures against bubbles in an exhaust gas purification treatment.SOLUTION: An exhaust gas purification device for purifying an exhaust gas in recirculating the exhaust gas 12 discharged from an internal combustion engine, includes a venturi 51 disposed in an exhaust gas recirculation line Lfor recirculating the exhaust gas 12 discharged from the internal combustion engine for eliminating fine particles in the exhaust gas 12, a first purification tower 52 to which the exhaust gas 12 passing through the venturi 51, is introduced, heating means 53 disposed at a wake side of the gas flow in the first purification tower 52, a second purification tower 54 communicated with a side wall opening 52a of the first purification tower 52 for discharging the exhaust gas passing through the heating means 53 of the first purification tower 52, spray means 56 disposed at a wake side of the gas flow of the second purification tower 54 for spraying absorption liquid 60, and mist collecting means 57 disposed at a wake side of the gas flow of the spray means 56. |
