Friday, September 5, 2008

PROCEDURE OPERATION OF CPOT FOR WARMING UP

1. Start diesel generator and parallel running.
2. Start vacuum condenser cooling sea water pump.
3. Open atomizing steam for aux. boiler.
4. Manual fire on aux. boiler for warming up step by step and take the flowmeter.
5. When aux. boiler reach to 10.0 kilo fire off boiler.
6. Start draining of CPOT's and steam main line.
7. Open air ejector steam inlet valve & dump valve outlet.
8. Fire on aux. boilwer until 15.0 kilo and fire off.
9. If CPOT's drain confirm steam, shut all drain valves. Open COPT's main steam return valve to cascade tank.
10. Keep an eye of the vacuum shell condenser pressure to -700 MPa. Start condensate pump & put to auto standby the secondary pump.
11. Open slowly aux. boiler main steam stop valve to fully open and shut by-pass valve.
12. OPen the main steam valve leading to COPT's fully open and shut by-pass valve.
13. Open inlet dumping valve.
14. Fire on aux. boiler until 15.0 kilo & boiler control mode shift to auot position & observe the dumping valve to open more than 16.0 kilo for auto steam dumping.
15. Auxiliary boiler is ready for operation for discharging oil cargoes.









No comments: