Articulated annular sludge lance

Details Articulated annular sludge lance Articulated annular sludge lance

1994-12-12

1996-05-07

Stinson, Frankie L.

Cleaning and liquid contact with solids

Processes

Hollow work, internal surface treatment

134 24, 134167R, 134181, B08B 302

Patent

active

055142192

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 robe bundle. The articulated annular sludge lance is moved around the annular chamber and directs a fluid distribution member between the robes to effectively clean sludge from the tubes. The articulated annular sludge lance and method can also be used in the no robe lane or in combination with a no-robe lane method.

REFERENCES:
patent: 3422827 (1969-01-01), McCulloch
patent: 3443993 (1969-05-01), Lynn et al.
patent: 4638667 (1987-01-01), Zimmer et al.
patent: 4933016 (1990-06-01), Carlson
patent: 4980120 (1990-12-01), Bowman et al.
patent: 5201281 (1993-04-01), Cella

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