Method and apparatus for cleaning columns by inducing vibrations

Details Method and apparatus for cleaning columns by inducing vibrations Method and apparatus for cleaning columns by inducing vibrations

1995-06-12

1997-10-07

Warden, Jill

Cleaning and liquid contact with solids

Processes

Including application of electrical radiant or wave energy...

134 2211, 134 2212, 134167C, 134169C, B08B 312, B08B 902

Patent

active

056743238

ABSTRACT:
A method of cleaning in a pipe which has fouling material on the interior so that the bond with the fouling material is broken by first filling the pipe with liquid, applying pressure pulsations to the liquid to the extent that a standing wave is formed in the pipe and the incompressible liquid therein, and cavitation is initiated within the standing wave in the pipe so that the pipe is cleaned on the formation of induced shock waves occurring upon collapse of microscopic bubbles resulting from cavitation and subsequent collapse.

REFERENCES:
patent: 3457108 (1969-07-01), Hittel
patent: 3565589 (1971-02-01), Lowe et al.
patent: 4526623 (1985-07-01), Ishii
patent: 4724007 (1988-02-01), Barry et al.
patent: 5160548 (1992-11-01), Boisure
patent: 5183513 (1993-02-01), Sajewski
patent: 5423917 (1995-06-01), Garcia

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