| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an exhaust recirculation device which collects condensate water generated when EGR gas is cooled and effectively emits the condensate water by heating and evaporating the same.SOLUTION: The exhaust recirculation device comprises: EGR piping 30 which connects an exhaust system 17 and an intake system 11 of an engine 10; an EGR cooler 31 which is installed on the EGR piping 30 and cools EGR gas; a condensate water collection tank 40 which is communicated with the EGR piping at a downstream side of the EGR cooler 31 and collects condensate water generated when the EGR gas is cooled by the EGR cooler 31; an electric heater 44 which is installed in the condensate water collection tank 40 and heats and evaporates the condensate water collected therein; and discharge piping 46 which is installed in the condensate water collection tank 40 and discharges the heated and evaporated condensate water in the condensate water collection tank 40 out of the same.</p> |
