Automated sludge lance

Details Automated sludge lance Automated sludge lance

1995-02-23

1996-11-05

Bennett, Henry A.

Liquid heaters and vaporizers

Cleaning

122382, 122390, 122392, 165 95, F22B 3718

Patent

active

055706606

ABSTRACT:
An automated sludge lance and method is described for cleaning sludge from tubes in a steam generator. The lance guide and waterlance are moved inside the steam generator to direct a fluid between the tubes to effectively clean sludge from the tubes. The remote control system is mounted outside the steam generator where it is readily serviceable. The automated sludge lance and method can be used in the no-tube-lane, in the annular chamber, or in combination.

REFERENCES:
patent: 4492187 (1985-01-01), Hammond
patent: 5067588 (1991-11-01), Boisture
patent: 5320073 (1994-06-01), Silcott et al.
patent: 5341406 (1994-08-01), Jens et al.

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