Tube lane manipulator, spraying head and corresponding spraying method for the high-pressure blowdown of heat exchangers

Abstract From the Canadian patent

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 wherein providing access to the tube lanes including a car, being insertable 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 retractable clamping feet disposed on …