Apparatus and method for cleaning the heat exchanging surfaces o

Details Apparatus and method for cleaning the heat exchanging surfaces o Apparatus and method for cleaning the heat exchanging surfaces o

1977-05-10

1979-02-27

Fisher, Richard V.

Cleaning and liquid contact with solids

Processes

Hollow work, internal surface treatment

134 36, 134 37, 134102, 134152, 165 5, 165 95, 2394195, B08B 904, B08B 300

Patent

active

041417542

ABSTRACT:
Apparatus and method for cleaning the heat exchanging surfaces of the heat transfer plates of rotary regenerative heat exchangers comprising low to medium pressure gas and/or steam operated nozzles of the injection type having injection tubes for moving by suction ambient heat exchanging gas or air into the interspaces between the heat transfer plates. The nozzles may be designed as supersonic nozzles, especially Laval nozzles.

REFERENCES:
patent: 2766969 (1956-10-01), Cooper et al.
patent: 3462083 (1969-08-01), Kautz
patent: 3724762 (1973-04-01), Freshour et al.
patent: 4025362 (1977-05-01), Frauenfeld

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