| 摘要 |
This exhaust gas purification device (10) comprises a throttle valve (20), a DOC device (30), an SCR device (50), a fuel injection device (7), an inlet temperature sensor (31), an outlet temperature sensor (45), and a control device (8). The control device (8) comprises: a temperature increase control execution control unit (82) that executes a regeneration process for removing urea deposits when preset temperature increase control implementation conditions have been met; and a condition determination unit (83) that determines whether a first condition has been met during the regeneration process by the temperature increase control. |
