Flexible lance and drive system

Details Flexible lance and drive system Flexible lance and drive system

B - Operations, Transporting

08

B

122/1

B08B 3/02 (2006.01) F22B 37/48 (2006.01) F28G 1/16 (2006.01) F28G 15/04 (2006.01)

Patent

CA 1311166

ABSTRACT OF THE DISCLOSURE A flexible lance and drive system (10) extends through manhole (12) into blow down lane (14) of a pressurized water reactor (PWR) steam generator secondary side assembly (15). The system (10) includes a support rail (18) passing through the manhole (12) and along the blow down lane (14). A transporter (20) is suspended for locomotion along the support rail (18). A flexible lance (24) extends through the transporter (20) and can be driven by the transporter into tube bundle (26) to a greater or lesser extent as required to observe and/or clean sludge deposits (28) within the tube bundle (26). High pressure hoses (34), nitrogen purge line (36) and Fiber optics cable (32) is supported by a spacerless hosebar structure (38). The hosebar structure (38) is integrally formed from a flexible plastic material in a single piece. A-49869/AJT/WEH

614523

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