FO,LDO UNLOADING AND PRESSURING STATION FOR STEAM GENERATOR -ABC OF THERMAL POWER PART-II

This is in continuation of my last Blog ( FO ,LDO UNLOADING AND PRESSURING

STATION PART-I.

Fuel Oil Pump House: Consist of following items

Fuel Oil Pump House is located close to Fuel Storage Yard. This Pump house is housing.

1.              HFO Pump set & Heater for Auxiliary Boiler

2.              HFO Pump set for Main Boiler (3 Nos)

3.              HFO Heater Set

4.              LDO Pump set (2 Nos)

5.              Drain Oil Tank & Pump Set

6.              Electrical & control Panels for all the F.O. Pump House auxiliaries.

Heavy Oil Pumping Unit (Common for two boilers):

No. of Pumps     :     3 x 50% (2W + 1 S )

Capacity             :     Each pump to meet 50% capacity of two

                                 Boiler requirement

Type                   :     Screw Type

Suction Strainer   :     4 nos. Simplex basket type with SS

HFO Heating Unit (Common for two boilers)

No. of Heaters     :     3 (2W + 1S)

Capacity              :      Each Heater to meet 50% capacity of

                                   two boiler requirement

Type                    :      Oil outside, U-type, hair pin BEU type

Discharge Strainer :    4 nos. Simplex type with S.S. Meth

Oil temperature    :      130⁰C (approx.)

At heater outlet

Light oil Pumping Unit (Common for two boilers)

No. of pumps        :     2 (1W + 1S)

Capacity               :      Each pump to meet 7.5% BMCR Heat

                                    Input

Type                     :     Screw type

Suction Strainer   :      2 nos. Simplex type with S.S. Meth

A typical view of FO PUMP HOUSE (pressuring unit) under construction

A typical lay out of FO Pump House with mono rail.

Fuel Oil Lines (LFO/HFO)

Fuel Oil lines from Fuel Oil Pump House to Main Boiler is routed through trestle with

supports given suitably for thermal expansion. The HFO line is lagged with insulation inside

which steam tracing heating arrangements are provided for the entire length of HFO lines

from day tank to Boiler and back to day tank.

 A Cooler arrangement is provided in the HFO return line near the Fuel Oil Pump House

area for controlling the HFO day tank oil temperature.

CONTINUED TO PART -III HT, STEAM BLOWING AND OIL FLUSHING OF LDO/FO LINES ETC.
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