Process and equipment for the maintenance of the secondary secti

Details Process and equipment for the maintenance of the secondary secti Process and equipment for the maintenance of the secondary secti

1989-12-22

1990-11-20

Rivell, John

Heat exchange

With cleaning means for heat exchanger

122392, 165 5, F28G 900

Patent

active

049711407

ABSTRACT:
A manipulator head (15) equipped with a nozzle (15a), a tool or a probe is connected to a first flexible tube (16) which is wound on a drum (18) which is mounted at a first service opening (13). The head (15) is inserted through the first service opening (13) into a tube lane or a tube column of the tube bundle of a heat exchanger and drawn out of a second service opening (14). There the head (15) is connected to the free end of a second flexible tube (17) which is wound onto a second drum (19) at the second service opening (14). By activating one of the two drums, the head (15) is moved through the heat exchanger along the tube lane and/or the tube column. If the head (15) is equipped with a nozzle (15a), the nozzle is supplied through a line with cleaning fluid under pressure, at least through the first flexible tube (16) and the respective drum (18).

REFERENCES:
patent: 3661124 (1972-05-01), Winkin
patent: 4025362 (1977-05-01), Frauenfeld
patent: 4273076 (1981-06-01), Lahoda et al.
patent: 4424769 (1984-01-01), Charamathieu et al.
patent: 4428417 (1984-01-01), Chesner
patent: 4445465 (1984-05-01), Byrd et al.
patent: 4487165 (1984-12-01), Weber et al.
patent: 4515747 (1985-05-01), Creek et al.
patent: 4526135 (1985-07-01), Calhoun et al.
patent: 4640346 (1987-02-01), Weber et al.
patent: 4718376 (1988-01-01), Leroueil et al.
patent: 4769085 (1988-09-01), Booij
patent: 4850423 (1989-07-01), Allen et al.

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