Lance construction for boiler cleaning apparatus

Details Lance construction for boiler cleaning apparatus Lance construction for boiler cleaning apparatus

1979-05-29

1980-06-24

Bleutge, Robert L.

Cleaning and liquid contact with solids

Apparatus

Automatic controls

134167C, 15316A, 122390, B08B 302, B08B 902

Patent

active

042090288

ABSTRACT:
A lance tube for soot blowers having a steam nozzle near its end, a liquid nozzle spaced rearwardly from the steam nozzle, and a thermostatically operable valve interposed between the nozzles which closes off the steam nozzle when liquid at a temperature lower than that of steam is in the lance tube.

REFERENCES:
patent: 1599283 (1926-09-01), Phillips
patent: 3782336 (1974-01-01), Nelson

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