Liquid heaters and vaporizers – Cleaning – Fluid jet
Patent
1981-01-23
1982-09-28
Favors, Edward G.
Liquid heaters and vaporizers
Cleaning
Fluid jet
15318, 122392, 165 95, F22B 3752
Patent
active
043512771
ABSTRACT:
A sootblower for an economizer of the type having a vertically extending cylindrical casing in which is mounted a plurality of spiral coils arranged parallel to each other in concentric relation with respect to the central vertical axis of the cylindrical casing. The spiral coils are in the form of finned tubes, the coils being disposed in closely spaced relation but providing clearance between the fins on adjacent coils. A heat exchange fluid is conducted through the spiral coils whereby the coils can extract heat from exhaust gases passing upwardly through the economizer from a boiler. The sootblower is mounted in the casing below the spiral coils and includes a pair of horizontally disposed structural tubular members arranged across the casing adjacent the bottom thereof, a vertically extending connecting pipe passing through a first one of the tubular members in concentric relation with respect to the casing, a steamline extending horizontally into the interior of the casing below the coils and terminating in an interior ball joint elbow, the upper end of the vertical connecting pipe being provided with an enlarged ball opening which is received within the ball joint elbow forming a fluid-tight fit with the ball but allowing a 360.degree. movement of the vertical connecting pipe, a horizontal arm extending outwardly from the lower end of the vertical connecting pipe, and a plurality of nozzles on the upper surface of the arm for directing jets of steam into the spaces between adjacent coils.
REFERENCES:
patent: 987450 (1911-03-01), Eichelberger et al.
patent: 1095991 (1914-05-01), Bennett
patent: 1729567 (1929-09-01), Collins
patent: 4031862 (1977-06-01), Smith
Grove Edward E.
Ryan Jerry E.
Dorman William S.
Favors Edward G.
Tranter, Inc.
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