| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a system for efficiently supplying ammonia to an SCR device as compared with a conventional urea SCR system and preventing deterioration of an SCR. <P>SOLUTION: When an SCR device 2 is connected to an exhaust pipe 1 of a diesel engine and an ammonia gas is supplied to the SCR device 2, an ammonia source aqueous solution is heated by a heater 12 to generate the ammonia gas, the ammonia gas passes through a cooler 13 to separate water vapor from the ammonia gas, and the ammonia gas from which water vapor is separated is supplied to the SCR device 2 by using a compressor 14. <P>COPYRIGHT: (C)2012,JPO&INPIT |
