UREA SOLUTION INJECTION NOZZLE

摘要

The purpose of the present invention is to provide a urea solution injection nozzle in which deposition and growth of urea on the surface of the urea solution injection nozzle are minimized. A urea solution injection nozzle (1) is provided with urea solution flow paths (2c, 3c) and gas flow paths (2d, 4d). A mixture of urea solution and gas are injected from an injection port (4e). A slit (5d) that is a side-surface discharge port is configured so that gas is discharged along a curved surface (4b) on the outer surface of the urea solution injection nozzle (1) in the same direction as the injection direction of the urea solution. The slit (5d) and the flow path (4d) are connected by a branching flow path (4f).