Pulsed liquid jet-type cleaning of highly heated surfaces

Details Pulsed liquid jet-type cleaning of highly heated surfaces Pulsed liquid jet-type cleaning of highly heated surfaces

1981-12-29

1983-12-27

Fisher, Richard V.

Cleaning and liquid contact with solids

Processes

Hollow work, internal surface treatment

134 34, 165 95, 122390, 239 11, 239101, 239124, B08B 302

Patent

active

044228821

ABSTRACT:
A method and apparatus for removing adherent deposits from high temperature surfaces such as the fire sides of the tubes of boilers while steaming is disclosed as employing a sootblower to project a moving pulsed jet of liquid against the deposits. The peak impact pressure of the jet is increased by pulsing means disclosed as of a fluidic or rotary type.

REFERENCES:
patent: 3212378 (1965-10-01), Rice
patent: 3343794 (1967-09-01), Voitsekhovsky
patent: 3360400 (1967-12-01), Evans et al.
patent: 3468481 (1969-09-01), Cooley
patent: 3782336 (1974-01-01), Nelson
patent: 3810417 (1974-05-01), Sieke
patent: 3883075 (1975-05-01), Edney
patent: 4135534 (1979-01-01), Autelli

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