Tube lane manipulator, spraying head and corresponding spraying

Details Tube lane manipulator, spraying head and corresponding spraying Tube lane manipulator, spraying head and corresponding spraying

1983-01-25

1986-02-25

Richter, Sheldon J.

Heat exchange

With cleaning means for heat exchanger

15312R, 15316R, 122392, 122405, F28G 1500

Patent

active

045722846

ABSTRACT:
Tube lane manipulator for the high-pressure blowdown of heat exchangers having tubes being spaced apart by a given pitch forming tube lanes therebetween with tubes on opposite sides and having closeable servicing openings formed therein providing access to the tube lanes, including a car being insertible into the tube lanes through the servicing openings and being movable therein by remote control, a spraying head being supported on the car and having nozzles with orifices for spraying jets of blowdown water in a given direction into spaces between the tubes, suction lines having suction stubs for pumping off accumulated blowdown water, and extendible and retractible clamping feet disposed on the car for clamping the car to the tubes on at least one side of a tube lane along a clamping plane in conformity with the given tube pitch, the nozzles being positioned in spraying positions of a spraying position sequence by the clamping feet clamping the car, the given spraying direction from the orifices of the nozzles being adjusted to the given tube pitch and the nozzles being spaced from the clamping plane by a distance being adjusted to the given tube pitch for spraying the jets of water into the spaces between the tubes and a method for carrying out a spraying operation.

REFERENCES:
patent: 2112896 (1938-04-01), Husbaud
patent: 4174549 (1979-11-01), Michelson
patent: 4354294 (1982-10-01), Silver
patent: 4424769 (1984-01-01), Charamathieu et al.
patent: 4445465 (1984-05-01), Byrd et al.

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