| 摘要 |
<p>A system capable of removing scales by washing out a drain pipe in a short time without disconnecting the drain pipe from a mobile frame, comprising a fluid storage tank having washing fluid stored therein, a fluid feed pipe connecting the fluid storage tank to the downstream side of the drain pipe of the mobile frame and having a feed pump means for feeding the washing fluid from the fluid storage tank to the downstream side of the drain pipe, a suction pipe connecting the upstream side of the drain pipe to the fluid storage tank, and a vacuum pump means sucking gas from the fluid storage tank, wherein a gas separating means for separating gas from among the gas, liquid, and solid sucked from the drain pipe is installed in the suction pipe, and an intake pipe connected parallel with the suction pipe and returning the separated gas to the fluid storage tank is disposed between the gas separating means and the fluid storage tank.</p> |
