| 摘要 |
<p>The present invention provides a method for collecting a waste pipe line. According to an embodiment of the present invention, the method comprises a first step of sending a ship, which is equipped with a remotely-operated vehicle (ROV) and a hoist, to a site of the waste pipe line; a second step of separating the waste pipe line into unit pipes by the ROV; a third step of installing a coupling unit on the unit pipe; a fourth step of descending a hoist cable, a hoist frame, a trolley, and a collecting cable into water; a fifth step of combining the collecting cable with the coupling unit; a sixth step of moving the trolley from the hoist frame to adjust an interval between the collecting cables; and a seventh step of raising the hoist cable, the hoist frame, the trolley, the collecting cable, the coupling unit, and the unit pipes toward the ship by the hoist in order to collect the unit pipes.</p> |
