Articulated annular sludge lance

Details Articulated annular sludge lance Articulated annular sludge lance

1993-09-24

1995-05-02

Stinson, Frankie L.

Cleaning and liquid contact with solids

Apparatus

For work having hollows or passages

134172, 134181, 122392, 239752, B08B 900

Patent

active

054110432

ABSTRACT:
An articulated annular sludge lance and method is described for cleaning sludge from tubes in a steam generator from the annular chamber surrounding the tube bundle. The articulated annular sludge lance is moved around the annular chamber and directs a fluid distribution member between the tubes to effectively clean sludge from the tubes. The articulated annular sludge lance and method can also be used in the no tube lane or in combination with a no-tube lane method.

REFERENCES:
patent: 4424769 (1984-01-01), Charamathieu et al.
patent: 4638667 (1987-01-01), Zimmer et al.
patent: 4980120 (1990-12-01), Bowman et al.
patent: 5036871 (1991-08-01), Ruggieri et al.
patent: 5065703 (1991-11-01), Lee
patent: 5172653 (1992-12-01), Vadakin
patent: 5201281 (1993-04-01), Cella

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