| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a washing device for a drain pipe capable of efficiently performing solid matter removing work in a drain pipe and of removing the solid matters more perfectly as well as a washing device for a drain pipe permitting easy confirmation of the situation of the removal of the solid matters from the drain pipe and a washing method using this device. SOLUTION: This device is equipped with a nozzle main body 2 capable of jetting high pressure water while rotating, a wire 6 for raising and lowering the nozzle main body, a CCD camera 7 linked to a wire at an upper part of the nozzle main body and raised and lowered together with the CCD camera 7 and an indicating device displaying an image from the CCD camera. Also, the nozzle main body is rotated by a high pressure water jetted from the main body of the nozzle, and the high pressure water is jetted downward at an angle of 30 degrees to 60 degrees from a horizontal plane in the configuration. Also, the number of revolutions of the nozzle main body is from 90 rpm to 300 rpm and the moving speed of the nozzle main body is set to 20 mm/sec. to 100 mm/sec.</p> |
