fuel oil supply system
TRANSCRIPT
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A PRESENTATION
ON
FUEL OIL SUPPLY SYSTEM
FOR NAPTHA AND HSD
BY
AMIT TYAGI
BINOD KR. RAY
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DISCUSSION
FUEL OIL SUPPLY SCHEME
BRIEF DESCRIPTION OF
COMPONENTS INTEGRATED INTO
THE SCHEME
SOME RELATED DATA
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MAIN SCHEME
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FUEL OIL SYSTEM
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NAPTHA FUEL OIL INJECTION PP
MULTISTAGE CENTRIFUGAL PP
ORIGINALLY 13 STAGES, DESTAGING
DONE TO LOWER THE DISCHARGE
PR.
MECHANICAL SEAL ON BOTH ENDS
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THERMOSIPHON VESSEL
COOLING OIL TO SEAL
MECHANICAL SEAL AND ITS
COOLING MECHANISM
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EMERGENCY STOP VALVE
IT RELEASE OR PREVENT THE FLOW
OF FUEL OIL ON START UP AND
SHUT DOWN
CLOSED DURING DISTURBANCES
HYDRAULICALY ACTUATED
CLOSED IN LESS THAN .5 SEC BY
SPRING FORCES.
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.ESV MAINTAINS A PRESSURE OF AROUND 70 BAR IN THE
FUEL OIL SUPPLY LINE
.TRIPPING ALARM AT 85 BAR
.TRIPPING AT 88 BAR PR. IN THE BURNER SUPPLY LINE.
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BALL VALVE ASSEMBLY.
IT COMPRISES A 3-WAY V/V AND A SHUTOFF V/V.
BOTH ARE ACTUATED BY A COMMONMOTOR.
BALL V/V ASSEMBLY AND ESVCONSTITUTE THE DUAL SHUT OFF V/V
SYSTEM CONNECTED TO UNINTERRUPTIBLE DC
POWER SUPPLY SYSTEM.
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BALL VALVE ASSEMBLY
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BURNER
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BURNER
8 Nos OF HYBRID BURNERS.
ALL BURNERS ARE IDENTICAL,FUEL
FLOW IS DISTRIBUTED UNIFORMLY
FUEL DELIVERED TO BURNERS
SPLITS INTO TWO STREAMS IN THE
SWIRL CHAMBERS OF THE BURNER.
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. ONE STREAM IS INJECTED INTO THE CC AND ONE IS FED
TO THE RETURN LINE.
. SPLITTING IS CONTROLLED BY THE BACK PRESSURE IN
THE RETURN LINE.
. PR. IN THE RETURN LINE DEPENDS ON THE POSITION OF
CONTROL V/V LOCATED IN THE RETURN LINE.
.
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FUEL DISTRIBUTION
COMBUSTION CHAMBER
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COMBUSTION CHAMBER
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THANK YOU
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ANY QUESTION