Boiler Starting Procedures

          

               

AUXILIARY BOILER STARTING PROCEDURES

BOILER MODE:

This mode is selected when tanker cargo operations are required.

 In Boiler mode:                           BOILER AUTO ON @ 1.52Mpa

                                                       BOILER AUTO OFF @ 1.67Mpa

ECONOMIZR MODE:

This mode is selected at normal sea going (Economizer Back up) Condition

In ECO Mode:                              BOILER AUTO ON   @ 0.44Mpa

                                                       BOILER AUTO OFF @ 0.59 Mpa

IGS MODE:

This Mode is selected at inert gas topping up operation.

PROCEDURES FOR STARTING BOILER

-         Two generators to run (As per load condition)

-         Control Source ON.

-         Flame Eye – Bypass Normal.

-         Thermostat bypass ON/OFF depending on oil.

-         Oil Heater ON/OFF depending on oil.

-         Fuel oil temp around 110 Deg.C if HFO.

-         Main Feed P/P to change over whenever blr press above 1 Mpa.

Auto Operation:

Starting:

-         Depending on requirement select boiler mode or EGB mode.

-         Confirm all are in auto mode.

-         Boiler operations switch auto to auto on position and release.

-         Primary / Secondary / Burner motor start in auto sequence.

-         Pre-purge sequence @ 30 secs

-         Ignition takes place @ 3 secs.

-         Main valve on (FO)

-         Combustion starts after flame eye senses the flame.

Stopping:

-         Burner Operation Stop.

-         DO mixing sequence if HO burning in the burner @ 15 secs.

-         Stop.

-         Post Purge sequence @ 30 secs.

-         After primary / secondary / Burner motor stops @ 30 Mins