04-04-2012, 03:41 PM
FUEL OIL SYSTEM
fuel oil system.ppt (Size: 497.5 KB / Downloads: 49)
Types Of Fuel Oil
Light diesel oil (LDO)
High speed diesel oil (HSD)
Heavy Furnace oil (HFO)
Low sulphur heavy stock (LSHS)
Use of different types
LDO & HSD normally used in
Auxiliary boiler
Ignitor for certain boiler design.
HFO generally used for power boiler
TYPICAL HFO SPECIFICATIONS
Standard: IS 1593 / 1971
Grades LV-MV-HV
Flash point: 660C (minimum)
Viscosity (Max.): 80-120-370 CST at 500C
Gross heating value: 10270 Kcal/kg
Total Sulphur (Max.): 3.5-4-4.5%by weight
Presentation Outline
FO unloading system
FO storage
FO pressuring pump house
Safety procedure in FO handling
FO unloading system
Heavy oil is received at the site in railway tankers of 20 tonne capacity each
An unloading header with number of receiving points for number of wagons unloading is provided.
The connections between loading header and tankers are through rubber flexible hosepipes.
Railway tankers are equipped with steam heating coils.