| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent damage caused by rapid cooling of an exhaust gas duct, without deteriorating a washing effect of a reducing agent charging nozzle or the like by washing liquid, even if the exhaust gas duct is narrow. <P>SOLUTION: In this washing method of a denitrification apparatus, the washing liquid inside a storage device 10 is supplied to the reducing agent charging nozzle 5 by supplying compressed gas to inside of the storage device 10 of the washing liquid to wash the reducing agent charging nozzle 5. The washing liquid inside the storage device 10 is intermittently supplied to the reducing agent charging nozzle 5. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
