Nonsparking fans handle difficult oil applications
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Halifax Fan product story
Edited by the Engineeringtalk editorial team
Mar 25, 2008
The stainless steel construction of critical parts and special paint finish allow Halifax' Beaufort fans to resist corrosion.
Floating Production Storage and Offloading facilities (FPSOs) are growing in importance as oil and gas exploration moves into ever deeper waters FPSOs were originally redundant oil tankers converted to floating static processing facilities ,able to offload onto mobile tankers but recently customer designed new-build vessels have begun making inroads into the market.
Hamworthy Combustion provides turnkey boiler packages for the offshore market.
Gas needs to be separated from the crude oil, as well as undergoing dewatering and removal of sand and debris, all onboard the FPSO.
After processing the crude is pumped to the cargo tanks.
Steam turbines are employed to drive electrical generators and cargo pumps in addition to tank heating.
This requires a large and reliable source of steam, produced from dual-fuel boilers using gas as the primary fuel, with diesel oil back up.
In some cases crude oil and heavy oil are also used.
The burning of traditionally flared-off gas gives an almost free source of on-board power with the added advantage of it being self-supporting.
With twin gas-fired boilers on each FPSO, powerful forced draft fans are required to feed the boilers.
Hamworthy Combustion has chosen Halifax Fan nonsparking fans for this application.
Halifax' Beaufort fans range in power from 70 to 315kW and from 685 to 1300mm in diameter.
These are often fitted with inlet vane control dampers.
All are designed to a marine environment specification agreed between Halifax Fan and Hamworthy Combustion.
The stainless steel construction of critical parts and special paint finish allow the fans to resist corrosion.
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