Air preheater cleaner

Details Air preheater cleaner Air preheater cleaner

1999-08-09

2000-05-23

Atkinson, Christopher

Heat exchange

Regenerator

Cleaning

165 7, F28D 1700

Patent

active

060655283

ABSTRACT:
A swing-arm sootblower for a rotary regenerative air preheater is mounted to sweep across the air preheater rotor at an adjustable constant speed or angular velocity. The sootblower has means for sootblowing with a relatively low pressure medium such as air or steam or with high pressure water. The nozzle unit is equipped with a low pressure nozzle and a plurality of high pressure nozzles. The high pressure nozzles are arranged in a row and the nozzle unit is mounted so that the row is at an angle to the swing arm such that the row of high pressure nozzles is parallel to the heat transfer plates and tangential to the rotor at the outside of the swing of the arm.

REFERENCES:
patent: 1769987 (1930-02-01), Cox
patent: 2379506 (1945-07-01), Yerrick et al.
patent: 4025362 (1977-05-01), Frauenfeld
patent: 4135534 (1979-01-01), Klutelli
patent: 4649987 (1987-03-01), Frauenfeld et al.
patent: 5044424 (1991-09-01), Monro
patent: 5626184 (1997-05-01), Campbell et al.
patent: 5875833 (1999-03-01), Schluter

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