CS93 – Ferralium 255 – Scrubbing Tower

Description:

On the high seas this 250,000 tons tankers “KULU”, owned by the Kulu Tanker Corporation of Panama, uses an inert gas system to blanket the oil tanks and considerably reduce the possibility of explosions. The system utilises the waste exhaust gases from the boilers, which after combustion are inert but contain various undesirable corrosive products in gaseous form.

 

A major component in the inert gas system on the “KULU” is the scrubbing tower where the exhaust gases are cooled and washed with sea water. In the process an extremely corrosive solution is produced. For this reason, the bottom section of the scrubbing tower is fabricated completely in FERRALIUM 255 (UNS S32550, Alloy 255, DIN 1.4507, ASTM F61) super duplex stainless steel and this has withstood some 18 months continuous service without showing any sign of corrosion whatsoever. An almost indefinite service can therefore be reasonably expected. The fan impellers which draw the inert gas over the oil storage tanks are cast and fabricated in FERRALIUM 255 alloy.

 

The system was manufactured by Airscrew Fans Ltd., of Weybridge, who now have an agreement for the system to be manufactured by Wilson Walton International, of Croydon. It is expected that over the next five years at least £100m will be spent in installing the IGS in tankers already in service.

 

If you’d like more information regarding Ferralium 255, please get in touch with a member our expert team today.

Project Overview:

  • Market Sector: Flue Gas Desulphurisation
  • Material: Ferralium 255
  • Place: Airscrew Fans Ltd.
  • Country: UK
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