| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a washing method for washing a steam pipe at a low cost without removing a seal ring from a steam stop valve. <P>SOLUTION: The washing method of the steam pipe for washing the inside of the steam pipe with washing fluid, uses a seal plug 20 composed of: an outlet pipe (a first washing pipe) 21 fixed in the steam stop valve 4 by a first fixing means 24; a T pipe 22 including an inlet pipe (a second washing pipe) 22A to form a T shape and fixed in the steam stop valve 4 by a second fixing means 30; and a union joint (a connection means) 23 connecting the T pipe 22 and the outlet pipe 21. The outlet pipe 21 and the inlet pipe 22A of the seal plug 20 fixed in the steam stop valve 4 are connected with the steam pipe and washing piping to form a circulation passage, and the inside of the steam pipe is washed with the washing fluid flowing and circulating in the circulation passage. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
