Upper bundle steam generator cleaning system and method

Details Upper bundle steam generator cleaning system and method Upper bundle steam generator cleaning system and method

1994-05-06

1996-10-15

Bennett, Henry A.

Liquid heaters and vaporizers

Cleaning

Fluid jet

122379, 122380, 122384, 122390, 122391, 122405, F22B 3752

Patent

active

055643710

ABSTRACT:
An upper bundle steam generator cleaning system including a cleaning head deployment and support device receivable through a hand hole of the steam generator and including retractable cylinders which raise the cleaning head up through the flow slots to position a cleaning head about a flow slot of the upper tube bundles; and a cleaning head mounted with the support device for directing fluid about the tubes of the upper bundles of the steam generator for directing fluid about the tubes of the upper bundles of the steam generator thereby cleaning the generator from the top down flushing deposits downward during the cleaning process.

REFERENCES:
patent: 4498427 (1985-02-01), Todd
patent: 5184636 (1993-02-01), Van Der Woude
patent: 5261600 (1993-11-01), Cradeur
patent: 5305713 (1994-04-01), Vadakin
patent: 5341406 (1994-08-01), Jens et al.
patent: 5348234 (1994-09-01), Woude

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