Ultrasonic cleaning method and apparatus for heat exchangers

Details Ultrasonic cleaning method and apparatus for heat exchangers Ultrasonic cleaning method and apparatus for heat exchangers

1978-11-24

1981-01-13

Caroff, Marc L.

Cleaning and liquid contact with solids

Processes

Including application of electrical radiant or wave energy...

134 18, 134184, 165 95, 367154, B08B 312

Patent

active

042447496

ABSTRACT:
Biofouling is removed from the external surfaces of spaced apart pipes of a heat exchanger which are in contact with a liquid by positioning a plurality of ultrasonic transducers between the pipes and operating the transducers at sufficient power levels to cause cavitation within the liquid to effect the desired cleaning action. The transducers are arranged in a planar configuration to produce bi-directional acoustic radiation. Various types of instrumentation are provided for determining extent of biofouling and effectiveness of cleaning as well as for monitoring transducer operating parameters.

REFERENCES:
patent: 2716708 (1955-08-01), Bradfield
patent: 2987068 (1961-06-01), Branson
patent: 3068829 (1962-12-01), Nuissl
patent: 3240963 (1966-03-01), Sasaki
patent: 3295596 (1967-01-01), Ostrofsky et al.
patent: 3640295 (1972-02-01), Peterson
patent: 4120699 (1978-10-01), Kennedy et al.

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