| abstract |
The present invention provides a plasma burner and a soot filter that effectively oxidizes and removes particulate matter in exhaust gas by preheating fuel and mixing it with exhaust gas. A filter 80 connected to an exhaust pipe 40 on the opposite side of the engine 20, a fuel inlet 122 for supplying fuel between the engine 20 and the filter 80, and a flame caused by plasma discharge. A plasma burner 100 that heats the exhaust gas, and a fuel inflow conduit 112 that connects the fuel inlet 122 and the fuel tank 30 to each other. [Selection] Figure 1 |