Low-pressure sludge removal method and apparatus using...

Details Low-pressure sludge removal method and apparatus using... Low-pressure sludge removal method and apparatus using...

2011-06-28

2011-06-28

Barr, Michael (Department: 1711)

Cleaning and liquid contact with solids

Apparatus

For work having hollows or passages

C134S034000, C134S043000, C134S172000, C134S174000

Reexamination Certificate

active

07967918

ABSTRACT:
Provided area cleaning apparatus and an associated method of using the disclosed apparatus wherein the apparatus utilizes one or more nozzles configured to provide a coherent stream of one or more cleaning fluids for removing accumulated fine particulate matter, sludge, from surfaces. The nozzles may be sized, arranged and configured to provide coherent streams that maintain the initial stream diameter for a substantial portion of the maximum dimension of the space being cleaned. The apparatus and method are expected to be particularly useful in the cleaning of heat exchangers incorporating a plurality of substantially vertical and narrowly spaced tubes by directing cleansing streams along a plurality of intertube spaces.

REFERENCES:
patent: 4498427 (1985-02-01), Todd
patent: 4566406 (1986-01-01), Appleman
patent: 4715324 (1987-12-01), Muller et al.
patent: 4887555 (1989-12-01), Smet
patent: 5555851 (1996-09-01), Vandenberg
patent: 5782255 (1998-07-01), Magnin et al.
patent: 5794854 (1998-08-01), Yie
patent: RE38542 (2004-07-01), Ashton et al.

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