To provide a pipe passage system and a contaminant removal method of a pipe passage, capable of not only removing a contaminant clogged in an object part of the pipe passage but also flexibly coping with the various pipe passages.
A pipe passage system comprises: a pipe passage 15 for making fluid flow toward a downstream side from an upstream side, and removes a contaminant clogged in an object part 151 of the pipe passage 15, and is provided with a control valve 152 capable of cutting off a flow of the fluid of the object part 151 and control means 2 for executing an opening-closing operation of the control valve 152, and is also provided with flow rate measuring means 153 for measuring a flow rate of the fluid of the object part 151, and the control means 2 executes the opening-closing operation of the control valve 152 when the flow rate of the fluid of the object part 151 becomes a set value or less.
UENO YUKIO
KAWAMURA FUMIYASU
| JP2008279320A | 2008-11-20 | |||
| JP2005501696A | 2005-01-20 | |||
| JP2010091157A | 2010-04-22 | |||
| JP2000070891A | 2000-03-07 |