Fuel Unloading / Forwarding / Transfer

CIRCOR Pumps and Systems in Power Generation Applications

There are a wide range of fuels that a plant can burn and they arrive into a power plant through various means - rail car‚ ship‚ tank truck‚ etc.. Unloading pumps feed directly into a storage tank often times without a control valve/system and are found on the ‘vehicle’ or may be part of the tank storage system.

Our experience shows that when fuel is allowed to sit in a rail car‚ tank truck‚ etc. the viscosity of the fluid can increase. This change results increased input torque requirements and potentially the delivered. In positive displacement pumps‚ the delivered flow will increase and in centrifugal pumps the amount will decrease. It is important when sizing your pump to consider the properties of the fluid‚ pressure‚ supply and operational objectives.

Some storage systems use a “day tank” that holds about a day’s worth of “treated” (Filtered‚ additives added‚ and/or blended) fuel near the power plant leaving the larger volume storage somewhat more remote from the generating facility. Transfer pumps are needed to keep the day tank supplied as well to move oil from one tank to another. Also‚ transfer or forwarding pumps will be needed to send fuel oil to the inlet of the fuel injection pumps from either the day tank or the main storage tanks.

The distance that the fuel has to travel is an important consideration. Be sure to calculate the frictional loss in your pipeline so you know the maximum discharge pressure and the size of the driver required to overcome the pressure differential.

Commonly used pumps in this application include three screw‚ two screw and centrifugal.

Flow Rates up to Pressures to up to Max Fluid Temperature CIRCOR Brand‚ Series & Pump Type
91 m^3 / h
400 GPM
34.5 bar
500 psi
121C
250F
IMO 3D
Three Screw
272 m^3/h
1‚200 GPM
70 bar
1‚015 psi
82C
180F
IMO 8L
Three Screw
317 m^3/h
1‚400 GPM
100 bar
1‚450 psi
250C
482F
Allweiler SN
Three Screw
480 m^3/h
2‚120 GPM
16 bar
232 psi
140C
284F
Allweiler NB
Centrifugal
750 m^3/h
3‚300 GPM
21 bar
300 psi
260C
500 F
IMO 323F
Three Screw
792 m^3/h
3‚500 GPM
97 bar
1‚400 psi
121C
250F
Warren FSXA
Two Screw
1‚100 m^3/h
4‚844 GPM
16 bar
232 psi
100C
212F
Houttuin 216.40
Horizontal Two Screw
1‚100 m^3/h
4‚844 GPM
16 bar
232 psi
100C
212F
Houttuin 211.40
Vertical Two Screw
2‚300 m^3/h
10‚158 GPM
16 bar
232 psi
140C
284F
Allweiler NT
Centrifugal
2‚500 m^3/h
11‚008 GPM
16 bar
232 psi
140C
212F
Houttuin 236.40
Horizontal Two Screw

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CIRCOR Industrial

(877) 853-7867 (USA and Canada)
1 (704) 291-2040 (International)

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