| 摘要 |
<p>A deployment system for an upper bundle steam generator cleaning/inspection device (90), the deployment system including an elongated body (80) feedable through an access in a steam generator shell proximate the tube sheet (32) of the steam generator (10), the elongated body (80) flexible in one configuration to bend into a position for extension up through flow slots (28, 30) in support plates (12, 14, 16, 18, 22, 24, 26) of the interior of the steam generator (10), and rigid in another configuration for positioning and supporting cleaning/inspection devices (90) up through the steam generator (10) proximate the upper tube bundle (42) of the steam generator (10); and a drive (92, 106) for driving the elongated body (80) up through the support plates (12, 14, 16, 18, 22, 24, 26) and for retracting the elongated body (80) back down through the support plates (12, 14, 16, 18, 22, 24, 26).</p> |
