EXHAUST GAS RECIRCULATION SYSTEM AND MARINE ENGINE MOUNTED WITH THE SAME

摘要

PROBLEM TO BE SOLVED: To reliably remove droplets of moisture or the like contained in exhaust gas to be recirculated to a side of an engine without increasing pressure loss resistance.SOLUTION: A demister 19A, connected to a downstream side of a scrubber 18 which enables droplets L to scrub recirculated exhaust gas G to be recirculated to an engine and collect particulate matters contained therein, separates the misty droplets L remained in the recirculated exhaust gas G. The demister 19A has a cyclone structure provided with: a cylindrical casing 23 with an axis thereof vertically arranged; a recirculated exhaust gas introduction port 233 which is installed on an upper peripheral surface of the casing 23 to introduce the recirculated exhaust gas G into the casing 23 in a tangential direction therethrough; a recirculated exhaust gas outlet port 234 which is installed at an upper section of the casing 23 corresponding to an axial center thereof to exhaust the recirculated exhaust gas G therethrough; and a droplet discharge section 232 which is installed at a lower section of the casing 23 to discharge droplets L separated from the recirculated exhaust gas G.SELECTED DRAWING: Figure 3