Saturday, August 3, 2013
IN GENERAL:
THE FUEL OIL SYSTEM FOR
A DIESEL ENGINE CAN BE CONSIDERED IN TWO PARTS—THE FUEL SUPPLY AND THE FUEL
INJECTION SYSTEMS. FUEL SUPPLY DEALS WITH THE PROVISION OF FUEL OIL SUITABLE
FOR USE BY THE INJECTION SYSTEM.
IN SHIPS WHERE HEAVY FUEL
OIL AND MARINE DIESEL OIL ARE USED, A CHANGE-OVER SYSTEM FROM ONE FUEL TO THE
OTHER IS TO BE PROVIDED. THIS SYSTEM IS TO BE SO DESIGNED AS TO AVOID:
- OVERHEATING OF MARINE DIESEL OIL
- INADVERTENT INGRESS OF HEAVY FUEL
OIL INTO MARINE DIESEL OIL TANKS.
WHEN NECESSARY, ARRANGEMENTS ARE TO BE
MADE FOR COOLING THE MARINE DIESEL OIL FROM ENGINE RETURN LINES.
FUEL OIL SERVICE TANK
· TWO
FUEL OIL SERVICE TANKS FOR EACH TYPE OF FUEL USED ON BOARD NECESSARY FOR
PROPULSION AND VITAL SYSTEMS, OR EQUIVALENT ARRANGEMENTS, ARE TO BE PROVIDED ON
EACH NEW SHIP, WITH A CAPACITY OF AT LEAST 8 H AT MAXIMUM CONTINUOUS RATING OF
THE PROPULSION PLANT AND NORMAL OPERATING LOAD AT SEA OF THE GENERATOR PLANT.
· WHERE MAIN ENGINES, AUXILIARY
ENGINES AND BOILERS ARE OPERATED WITH HEAVY FUEL OIL, THE FOLLOWING EQUIVALENT
ARRANGEMENTS MAY BE ACCEPTED FOR FUEL OIL SERVICE TANKS:
- ONE HEAVY FUEL OIL SERVICE TANK WITH A CAPACITY OF AT
LEAST 8 H AT MAXIMUM CONTINUOUS RATING OF THE PROPULSION PLANT AND NORMAL
OPERATING LOAD AT SEA OF THE GENERATOR PLANT AND OF THE AUXILIARY BOILER
- ONE MARINE DIESEL OIL SERVICE TANK WITH A CAPACITY OF
AT LEAST 8 H AT MAXIMUM CONTINUOUS RATING OF THE PROPULSION PLANT AND
NORMAL OPERATING LOAD AT SEA OF THE GENERATOR PLANT AND OF THE AUXILIARY
BOILER.
WHERE MAIN ENGINE AND AUXILIARY
BOILERS ARE OPERATED WITH HEAVY FUEL OIL AND AUXILIARY ENGINES ARE OPERATED
WITH MARINE DIESEL OIL, THE FOLLOWING EQUIVALENT ARRANGEMENTS MAY BE ACCEPTED
FOR FUEL OIL SERVICE TANKS:
- ONE
HEAVY FUEL OIL SERVICE TANK WITH A CAPACITY OF AT LEAST 8 H AT MAXIMUM
CONTINUOUS RATING OF THE PROPULSION PLANT AND NORMAL OPERATING LOAD AT SEA
OF THE AUXILIARY BOILER
- TWO
MARINE DIESEL OIL SERVICE TANKS, EACH WITH A CAPACITY OF AT LEAST THE
HIGHER OF:
- 8 H AT NORMAL OPERATING LOAD AT SEA OF THE AUXILIARY
ENGINES
- 4 H AT MAXIMUM CONTINUOUS RATING OF THE PROPULSION PLANT AND NORMAL OPERATING LOAD AT SEA OF THE GENERATOR PLANT AND OF THE AUXILIARY BOILER.
FUEL OIL SUPPLY TO BOILER AND INTERNALCONBUSTION ENGINE
A SLOW-SPEED TWO-STROKE
DIESEL IS USUALLY ARRANGED TO OPERATE CONTINUOUSLY ON HEAVY FUEL AND HAVE
AVAILABLE A DIESEL OIL SUPPLY FOR MANEUVERING CONDITIONS.BUT BEFORE THAT THE FUEL HAS TO BE COMPATIBLE WITH THE MAIN ENGINE.
THE PROCEDURE TO MAKE THE FUEL GOOD AFTER DECIDING WHICH ONE IS GOOD TAKE A LONG TIME TO PROCESS.
TO CHOOSE THE RIGHT FUEL FROM BUNKERING TO FUEL INJECTION IN THE ENGINE CONSIST A LIST OF PROCEDURE WHICH CAN BE FOUND IN THE BOOK ATTACHED BELOW.
IT CONTAINS THE FOLLOWING:
1. BUNKERING
2. FUEL TESTING
3. STORAGE AND TRANSFER
4. SHIPBOARD TREATMENT OF MARINE FUELS
a)FILTER
5. SETTLING TANK
6. ENVIRONMENT
7. QUALITY REQUIREMENT
8. FUEL TECHNOLOGY
AND SOME GENERAL QUESTION TO ENHANCE YOUR MIND POWER.
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HAPPY READING
