Other Furnace Cleaning Options & their Disadvantages
Air blasting (off-line): Can only remove light dust. Creates lots of dust. Cannot access between finned tubes. Can only be used where access doors allow.
Chemical/powder injection (on-line): Cleans in one direction with updraft from burner. Only cleans soft to medium fouling. Does not make 360 degree tube/fin surface contact.
CO²/Dry Ice (off-line): Superficial cleaning of what operator can see or large CO² nozzle can touch. Cannot access between finned tubes. Can only be used where access doors allow. Only removes light dust. Extremely slow.
CO²/Dry Ice (on-line): Ice melts!
Flame ball (on-line): Can damage refractory, only effective where the sonic blast reaches.
Hydrant hose wash (off-line): Only used where access doors allow. Only removes the lightest dust. Water damage to refractory.
Sand/Grit blasting (off-line): Erodes tubes/fins. Lots of dust. Need to collect blast media. Grit sticks between tubes. Creates ‘key’ thus increasing future fouling rates. Cannot access between finned tubes.
Soot blowers (on-line): Only effectively cleans within specific vicinity of soot blower nozzle radius. Does not remove hard scale. Does not make 360 degree tube/fin surface contact as soot blowers are static.
Traditional Manual Water Jetting (off-line): Can only be used where access doors allow. Water damage to refractory. Cannot access between finned tubes.
Tube Tech Comment
Mike Watson, Managing Director: “Another world first! This was an extremely challenging contract not least because we were given only 3 weeks’ notice to build 3 robots. Both exciting and rewarding and an unusual challenge for our team of 4 research engineers. This takes fired heater cleaning to a new level and overcomes the ability to clean via small and awkward access doors.
The saving on fuel and CO2 is expected to be substantial. Hopefully this will spell an end to replacing fired heaters / furnaces due to inaccessible fouling. This system is just at home cleaning radiant tubes both horizontal and even vertical serpentine type”.
Mark II Furnace Robot is now in development which will be better and faster than before.
“Due to the good experience we had with Tube Tech’s innovative cleaning of our V.F.C.E. (Vertical Combined Feed Effluent Exchanger – Texas Tower) that you did for us, we were confident that you would be able to provide and deliver an innovative technology.
We knew that your technology would cost significantly more than standard cleaning methods, but were confident with your track record that the return on investment would be worthwhile, we also knew that standard cleaning companies would most probably not be able to deliver the required results.
We thought to either replace the upper fired heater section or clean it. Replacement would have been 4-5 times more costly than cleaning and due to the good experience with Tube Tech, we decided to give you a chance.
As you know, overall cleaning result was very satisfactory and allowed us to recover cleaning costs faster than we expected.”
Contact Tube Tech Today
For more information or to discuss your cleaning challenge call us on +44 1268 786999 or e-mail firstname.lastname@example.org, alternatively click here to fill out our contact form.