iocl vocational training (mechanical department) powerpoint presentation
DESCRIPTION
Presentation about things learnt at vocational training at IOCL, Panipat; various pumps and valves being used in the refinery, safety and environment practices, etc.TRANSCRIPT
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VOCATIONAL TRAINING PRESENTATION
By: VISHAL SRIVASTAVAMechanical EngineeringVII SemesterSKIT, Jaipur
IOCL, PANIPAT
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INDIAN OIL-ENERGY OF INDIAKey player in Indian Energy SectorPSU Maharatna, meeting 47% of national petroleum demandsCapacity: 65.7 MMTPA63% market share in Aviation FuelLeading Indian Corporate, ranked at 83rd position in latest Fortune ‘GLOBAL 500’ listing
.
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OperationsRefining
Pipeline Transportation
Petroleum Products and Petro-chemicals
Exploration of Crude Oil and Gas
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ATF
SULPHUR
INDANE Gas
Xtra Premium Petrol
Petrochemicals
HSD
LPGSERVO Lubricants
BITUMEN
HEAVY PETROLEUM
STOCK
Products from Refinery
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Barauni
Haldia Mathura Digboi
Guwahati Gujarat
Panipat
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PANIPAT REFINERY
7th refinery of Indian oil .
Largest integrated Refinery and Petrochemicals Hub in India and 3rd in South-East Asia
Present Capacity: 15 MMTPA
Designed for high sulphur crude
0 Discharge Refinery
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BASIC PROCESS IN REFINERY
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MECHANICAL DEPARTMENT
Maintenance Various Components used:i. Centrifugal Pumps (SPLIT-CASING TYPE)ii. Screw Pumpsiii. Valvesiv. CompressorsMechanical Control Unit (MCU)
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REQUIREMENT OF PUMPS IN REFINERY
• For circulation of cooling water
• For pumping the fluid (crude oil,diesel etc.) in reactors, etc. with high pressure.
• In liquid storage tanks
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SPLIT CASING PUMP
to pump clean water or low viscosity clean liquids at moderate heads
Less noise and vibration
risk of water hammer is lower
Unique design for high temperature application
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SCREW PUMP(+VE DISPLACEMENT)
• Used for High Viscous fluid
• High efficient as the flow increases
• mostly used for pumping lube oil
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CAVITATION (NPSHA<NPSHR)
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Cavitation Effects:
grinding of “marbles” Loss of capacity Pitting Vibration and mechanical damage such
as bearing failure Erratic power consumption
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FAILURE MODES IN PUMP
Shaft Suction Valve Casing Operation CouplingGaskets Control Valve
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VALVES Flow Control Valvesi. Gate ii. Globeiii. Balliv. Butterflyv. NRV
Safety Valvesi. PSVii. PRV
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REQUIRMENT OF VALVES
• Its function can be stopping or starting the flow, controlling flow rate, diverting flow
• preventing back flow, controlling pressure, or relieving pressure.
• control of fluid flow or pressure is required
• Very important for safety
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GATE VALVEGLOBE VALVE
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Non Return Valves
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SAFETY VALVES
PRESSURE SAFETY VALVE PRESSURE RELIEF VALVE
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ROLE OF A MECHANICAL ENGINEER
• Mechanical Control Unit (MCU)
• Monitoring various parameters
• Communication with the control room staff
• Troubleshooting the problems
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ENVIRONMENT CONSERVATION PRACTICES
• AIR POLLUTION
• WATER POLLUTION
• NOISE POLLUTION
• OHC
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AIR POLLUTION CONTROL
5 Sulphur Recovery Units (99% recovery)
Tall stacks
Use of low S fuel oil, desulfurised fuel gas
Low Nox burners
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WATER POLLUTION CONTROLZero Discharge RefineryEffluent Treatment PlantLarge ponds for aerobic storage of treated waterBenzene Vapour Recovery System at Naptha
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NOISE POLLUTION CONTROL & OHC
EarplugsSilencers on
compressorsAcoustic equipmentsRegular monitoring of
work environment under OHC
Development of Green Corridor and Ecological Park
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SAFETY PRACTICES
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LEARNINGSPractical experience
Insight into the working of a PSUs
Useful Interactions with people
Environment and safety practices in a industry
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THANKS