Graduate Marine Engineer ( GME) Marine Auxiliaries

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Graduate Marine Engineer ( GME) Marine Auxiliaries. ajit / Tr Sup ( Engg ) 16/07/12. Machinery, equipment & systems, on board a ship. E/R Lay Out Main Engine, (ME) Propeller, Shafting System, Stern Tube, Plummer Block / Pedestal Bearing - PowerPoint PPT Presentation

Transcript of Graduate Marine Engineer ( GME) Marine Auxiliaries

Page 1: Graduate Marine Engineer ( GME) Marine Auxiliaries

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Anglo-Eastern Maritime Academy

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Anglo-Eastern Maritime AcademyAnglo-Eastern Maritime Academy

Graduate Marine Engineer(GME)

Marine Auxiliaries

ajit / Tr Sup (Engg) 16/07/12

Page 2: Graduate Marine Engineer ( GME) Marine Auxiliaries

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Machinery, equipment & systems, on board a ship

E/R Lay OutMain Engine, (ME)Propeller, Shafting System, Stern Tube, Plummer Block / Pedestal BearingPower Generation, Auxiliary Engine, Diesel Generator, Alternator Engine (AE / DG)Steering GearThrusters (Bow / Stern)Tanks and Storage SystemsPumps and Pumping SystemsValvesPiping SystemsStrainers & FiltersBoilersAir Compressors and associated systemsMooring and Anchor Handling MachineryCranes, Davits, WinchesRefrigerationAir ConditioningPollution Prevention Machinery and Equipment FO / LO Purifiers & SeparatorsFresh Water Production, Treatment and SupplyHeat ExchangersLSA / FFA, Emergency SystemsPetroleum Tanker SystemsHydraulic SystemsElectrical SystemsPneumatic SystemsBridge & Navigational EquipmentPersonnel Protection and related systems

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Engine Room Layout

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Engine RoomM.V.Dubai Express, ME Bottom FloorBottom Platform (ME Crank Case)1 st Platform (ME Cylinder Lubricator and Emergency Manoeuvering)2 nd Platform (ME Cylinder Head Platform)3 rd Platform

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Engine Room Layout

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ER Floor Tank TopBottom Bilge WellER DBs

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M.V.Dubai Express, ME Bottom Floor

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Engine Room LayoutBack to ER Layout

Bottom Platform (ME Crank Case)Main EngineThrust Bearing or Thrust BlockIntermediate and Tail shaftPedestal Bearing or Plummer BlockStern TubeHigh & Low Sea Chests / SuctionsEmergency bilge SuctionBilge wells (Port / Stbd / Aft)SW Pumps

MSW PumpAuxiliary / Harbour SW PumpMain Fire pumpGeneral Service PumpEjector pump (For FWG)Ballast Pumps

Other pumpsBilge pumpSludge pumpMain LO PumpsHO, DO & LO Transfer pumpsStern Tube LO PumpsME LO Purifier Pump

OWSLT Cooler & LT FW PumpsMGPSICCP

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Engine Room LayoutBack to ER Layout

1 st Platform(ME Emergency Manoeuvering)

ME Emergency maneuveringCoolers

ME LO CoolerME JW Cooler

FW PumpsME JCW Pumps (HT)AE JCW Pumps (HT)

Fresh Water GeneratorPurifier room

HFO Sepr, 2DO Sepr, 1LO sepr, 2 (ME & AE)

Fuel Module ME / AE / BlrME Autoback wash LO filterSewage treatment plant

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Engine Room LayoutBack to ER Layout

2 nd Platform (ME Cylinder Head Platform)Main Air Compressors & Air ReceiversTopping Up Air CompressorWorking air compressor & its BottleControl Air Compressor & its BottleControl Air DrierEmergency Air Compressor & its BottleGeneratorsAux O/F BoilerEGB water circulating pumpsBoiler Feed Water pumpsAtmospheric steam condenserCascade Tank / Hot well / Observation Tank

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Engine Room LayoutBack to ER Layout

3 rd PlatformEGBIncineratorRef and AC plantsFW Hydrophore systemDW Hydrophore systemMineralizerUV Treatment plantGeyser & Hot Water Circ PpSteering Gear Room (outside machinery spaces)

Aft Mooring Winch Power PackEmergency Fire Pump

VRCSECRER Work ShopER Spares and StoresER Crane

Upper PlatformsER blowersME, AE, MAC, Expansion TanksSt Tube Header Tank

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Main Engine

Main Propulsion engines are mostly directly coupled, slow speed, reversible, 2 stroke, uniflow scavenged, turbocharged, in line, diesel engine, pier to pier operation on Heavy Fuel Oil

Preheat / Warm upNotice to prepare main engine (One Hour Notice)Telegraph test / Steering Gear test / Clocks synchronizeBlow ThroughTrying out ME Ahd & AstManoeuvering SystemMonitoring & Alarm SystemOMDCylinder Lubricator (Mechanical & Alfa Lubricators)Engine Sump and LubricationEngine Cooling systems

Charge Air CoolerLO CoolerJW Cooler

FO Viscosity ControllerME RPM & Direction SensingGovernorAxial Vibration Monitoring SystemFO Leak sensing systemTurbochargerAuxiliary Blowers & its controls----------------------------------------------------------------------------------------------------------------------------------------------

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Manoeuvering System

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Main Engine Manoeuvering LocationsBridge / Bridge WingsECREmergency Stand

Manoeuvering System,Starting SystemReversing SystemTurning Gear & Starting Interlock

Engine Telegraph & Engine Order RecorderBridge Manoeuvering System, BMS

Load Program UP / DOWN, Load Program CancelSlow Turning / Slow Turning Cancel

Engine Protection SystemProtection Override--------------------------------------------------------------------------------------------------------------------------------------------

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Main Engine Monitoring & Alarm System

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Exhaust Temp out, one / unitExhaust Temp deviationT/ch Ex Temp inT/ch Ex Temp outT/ch LO Out TempT/ch LO PrJCW Inlet TempJCW In PrJCW Out Temp, one / unitPCO Out Temp, one / unitPCO In PrPCO Flow , one / unitScav Space Temp , one / unitCharge Air TempOMDLeak OilThrust Bearing TempVibrationCyl Oil Non Flow , one / unitCyl Oil Level , one / unitAir in JCW DeareatorExpansion Tank levelAir Spring Pr Low

Engine Slow downTurbocharger LO Oil pr lowJCW Temp highThrust bearing temp highOMD highCyl oil non flowJCW Pr LowPCO now flowPCO temp high

Engine Shut downMain LO pr lowOver speedAir Spring Pr Low LowThrust Bearing temp Hi Hi

InterlocksTurning Gear EngagedRunning DirectionTelegraph orderAux Blower not on

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Shafting System

Shafting SystemIntermediate ShaftTail ShaftPlummer Block / Pedestal Bearing

M.V.Dubai Express ShaftShaft Earthing SystemStern Tube

SealingLubrication systemCoolingBearing Temp MonitoringLO condition monitoring and drain line

Stern Tube SealsHeader tankForward seal tankAir seal systemWater lubricated stern tube

PropellerPitch

SpeedTheoretical speed, Vt = (P.N. × 60) /1852 Knots (P-pitch in meters, N – r.p.m.)Speed of Advance,Va, ship’s speed with respect to wake speedSpeed over ground, V, ship’s speed as obtained by fixes on chartSlipReal Slip (Always positive), (Vt - Va) / Vt × 100 %Apparent Slip (Maybe positive or negative), (Vt - V) / Vt × 100 %Apparent slip is calculated daily noon when at sea

Mounting method, KeylessSolid / Variable Pitch Propellers

Controllable Pitch Propeller--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

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Ship Speeds

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Back

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Propeller, Shafting System, Stern Tube, Plummer Block / Pedestal Bearing

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Shafting System

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Back to shafting System

M.V.Dubai Express Shaft

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Back to shafting System

Shaft Earthing System

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Back to shafting System

Stern Tube

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Stern Tube Seals

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Back to shafting System

Propeller

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Controllable Pitch Propeller

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Power Generation, Auxiliary Engine, Diesel Generator, Alternator Engine (AE / DG)

Diesel Generators (DG)Alternator Engine driving an Alternator Shaft Generators

Turbo Generators (T/G)Shaft GeneratorsEmergency GeneratorsBattery Back up Systems-------------------------------------------------------------------------------------------------------------------------------------------

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Next

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Power Generation, Auxiliary Engine, Diesel Generator, Alternator Engine (AE / DG)

Prev

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Electrical Systems

Monitoring, Alarm & Control SystemsMSBAlternatorAlternator Excitation system & AVREmergency Generator & PanelBattery Back Up SystemsTransformersMotorsMGPSICCP

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Monitoring, Alarm & Control Systems

ChannelsDigitalAnalogue

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MSB

MSBGroup Starter Panel 1Group Starter Panel 2DG 1 PanelDG 2 PanelDG 3 PanelSynchronizing Panel220 V Panel24 V PanelTie Breaker Panel

Earth Fault monitoring, 440 / 220 / 24ACB Normal operationACB Emergency operationACB Safeguards

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Alternator Excitation System and AVR

Excitation System

AVR

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Alternator

Cooling System

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Emergency Generator & Panel

Emergency Generator

Emergency Generator Control Panel & Switch Board

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Battery Back Up SystemsGMDSSEmergency LightingFire Alarm

Charging

Safety

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TransformersLighting Transformer MainEmergency Generator TransformerForward lighting transformer

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MotorsDC MotorsAC MotorsAC / DC Motors

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MGPSMGPS

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ICCPICCP

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Steering Gear

Steering Gear Consists ofPower Unit

Hydraulic pump driven by electric motorPump Types

Fixed DeliveryVariable Delivery

ActuatorLiner

Ram & CylinderPiston & Cylinder

RotaryMechanical components transferring actuator movement to rudder

Ram & CylinderForked TillerCross Head

Piston & CylinderOscillating cylinder

Rotary vaneNo mechanical components, direct rotary movement

Control SystemElectric & ElectronicElectro HydraulicNFU & FUAuto Pilot

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Bow & Stern ThrustersAxial Propeller installed in a port – stbd tunnel, propeller can turn either way to develop thrust in either directions

Electric motor OR Hydraulic motor DriveControllable or Fixed Pitch Propeller

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Tanks and Storage Systems

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TanksBallast TanksBunker Tanks (Fuel Oil / Diesel Oil / Lubricating Oil)Settling Tank (HFO, DO, ME LO)Service Tank (HFO, DOFresh Water TanksDrinking Water TanksBoiler Feed TankSludge tankBilge Tank

Peak Tanks (Fore & Aft)Center Tanks / Wing TankDouble Bottom TanksCargo Oil Tank (COT) / Slop TankTop Side Tanks, TSTHopper TankVoid SpaceCofferdamCargo Hold (Hatch)Engine Room tanks

ER DBs (ME LO Drain tank, BHT, OBT, DO)ER Hull Tanks (LO Storage, HFO, FW)ER Portable Tanks (HFO Sett/Serv, DO Sett / Serv, Boiler Serv)Expansion Tanks (ME JCW, AE JCW, LT, HT, MAC)

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Pumps and Pumping Systems

Classification of pumpsVarious types of pumps on board as per their applicationSuction Pressure at PumpNPSH

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Classification of Pumps

Centrifugal (Rotodynamic)The centrifugal or roto-dynamic pump produce a head and a flow by increasing the velocity of the liquid

through the machine with the help of a rotating vane impeller. The Centrifugal Pump has varying flow depending on the system pressure or head. n the  Centrifugal Pump the flow is reduced when the viscosity is increased. Centrifugal pumps include radial, axial and mixed flow units.

TypesEnd suction / In-line / Double suction / Vertical multistage / Horizontal multistage

Positive DisplacementThe positive displacement pump operates by alternating of filling a cavity and then displacing a given

volume of liquid. The positive displacement pump delivers a constant volume of liquid for each cycle against varying discharge pressure or head. n the Positive Displacement Pump the flow is increased when viscosity is increased

RotaryGear PumpScrew PumpLobe PumpVane PumpProgressive Cavity

ReciprocatingPiston / Plunger & CylinderDiaphram

Variable Delivery PumpsVacuum pumpsEductors and Ejectors

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Various types of pumps on board as per application

Various types of pumps on board as per their applicationBallast PumpFire PumpGS PumpSea Water Pump (Main & Aux / Harb)Fuel Oil PumpsLube Oil PumpsSludge Pumps

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Suction Pressure at Pump

Low pressure at the suction side of a pump can encounter the fluid to start boiling withreduced efficiency & cavitation damage.Boiling starts when the pressure in the liquid is reduced to the vapor pressure of the fluid at the actual temperature.

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NPSH

Net Positive Suction Head - NPSHThe Net Positive Suction Head - NPSH - can be expressed as the difference between the Suction Head and the Liquids Vapor Head.Suction head in the fluid close to the impeller can be expressed as the sum of the Static and the Velocity head:hs = ps / γ + vs

2 / 2 g        (1)hs = suction head close to the impellerps = static pressure in the fluid close to the impellerγ = specific weight of the fluidvs = velocity of fluidg = acceleration of gravityLiquids Vapor HeadThe liquids vapor head at the actual temperature can be expressed as:hv = pv / γ       (2)wherehv = vapor headpv = vapor pressureNet Positive Suction Head - NPSHThe Net Positive Suction Head (NPSH) = Suction Head - Liquids Vapor Head.NPSH = hs - hv      (3)or, by combining (1) and (2), NPSH = ps / γ + vs

2 / 2 g - pv / γ  (3b)

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Valves

Gate or Sluice, StraightGlobe, Straight and Right angled (Screw Lift or SDNR)Butterfly

Wafer type (Lugless)Lugged typeHigh Performance Double eccentric type

Relief v/vPressure Reducing v/vQuick Closing v/vIsolation v/v2 Way & 3 way cocksBall v/v, Ball CockStorm v/v (over board Flap v/v)Ship Side (Overboard) v/vSteam traps

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Piping Systems

Fire Main SystemCompressed Air System

Starting air systemControl air systemWorking or Service air system

MSW SystemAuxiliary SW SystemME JCW SystemAE JCW SystemFO PipingSteam PipingBilge SystemBallast System

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Strainers & Filters

Strainer, Strainer / Strum box / Rose box

FiltersDuplex (Full flow)Auto cleaning / Self cleaningAuto back washMagneticCentrifugal

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Boilers

Exhaust Gas Boiler OR Economizer OR Waste Heat BoilerOil Fired BoilerComposite BoilerMain BoilerAuxiliary BoilerDonkey Boiler

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Air Compressors and associated systems

Air CompressorsMain Air CompressorsTopping up CompressorDeck Air OR Working air, CompressorControl Air CompressorEmergency Air CompressorTypes of Air Compressors

Reciprocating (piston/cylinder)Rotary (screw)

Air Vessels

Air Driers

Air Compressor control systemUnloaded startIntermittent draining while in operationAuto Start Stop controlLead and Follow control

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Mooring and Anchor Handling Machinery

WindlassGypsy / Cable LifterChain StopperBrake, Hydraulic, Remote Release

Mooring winchAftForward (along with windlass)Forward BreastAft Breast

ComponentsRope DrumWarping DrumDog ClutchBrakeGear BoxHydraulic MotorAuto Tensioning device

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Cranes, Davits, Winches

Cargo CranesGantriesER Travelling craneProvision CraneMidship hose handling craneGangway winch

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Refrigeration

Fridge RoomsFridge CompressorsDefrostingOzone generator

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Air Conditioning

AC CompressorsAHUHeatingHumidifyingRecirculation control

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Pollution Prevention Machinery and Equipment

OWS, Oily Water SeparatorOCM, Oil Content Meter

Incinerator

ODMCS, Oil Discharge Monitoring & Control SystemSlop tank interface detector

STP, Sewage Treatment Plant

SOPEP Locker

Save All Trays / Drip Trays

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FO / LO Purifiers & Separators

HFO SeprDO SeprLO Sepr

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Fresh Water Production, Treatment and Supply

FWGDistillation

Plate TypeShell and Tube Type

EvaporatorCondenserDemisterEjector PumpAir EjectorBrine EjectorDistillate PumpSW FeedSalinometerSolenoid v/v for dumpingRO

Hydrophore SystemsFWDWSW

Geyser / CalorifierSteam / ElectricHot water circulating pump

MineralizerUV Treatment

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Heat Exchangers

RadiatorCoolerHeaterEvaporatorCondenserPre Heaters

Shell & Tube TypePlate Type

Steam CondenserAtmospheric CondenserVacuum Condenser (used with steam turbines to improve output and efficiency)

Various other termsSingle pass and multi pass exchangersParallel flow and Contra flow exchangers

On board Heat Exchange systemsLT & HT CircuitsME Cooling systemAE Cooling systemME & AE Preheating

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LSA / FFA, Emergency Systems - 1LSA

Life BoatsOpenTotally enclosedFree Fall(Tot Encl)

Life Boat WinchLife Rafts

ManualDavit LaunchHRU

Life Boat and Raft RationsLife Boat and Raft EquipmentsRescue BoatLife Raft & Rescue boat winchEmbarkation & Muster StationEmbarkation ladderRemote stop of SW pumpsImmersion suitsLife Jackets (Light & Whistle)Child life jacketsLife Buoys

With SIWith LLMOB

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FFAFire Main & Main Fire Pumps

Fire HydrantFire HoseWheel SpannerRelief ValveIsolating v/vDeck Isolation v/v

Fixed FF SystemsCO 2 FloodingFoamWater Mist system

Galley FF ArrangementsWet Chem sysFire Blanket

ER Flaps & DampersQC V/v s

HydraulicPneumaticPull wire

Rem stop FO/DO/LO ppsRem stop of ventillationEEBD / ELSA

Emergency SystemsBilge InjectionRemote close of Sea chest vvEmergency Air ComprGeneratorManoeuveringSteeringFire PumpRemote stop of Sludge pumpRemote stop of bilge pumpETA (Towing Arrangement)

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LSA / FFA, Emergency Systems - 2Emergency Alarm Systems

CO 2 Release AlarmWater Mist Release AlarmWater Ingress Alarm SystemER Bilge AlarmFire & General AlarmER A/V Alarm SystemUMS Alarm SystemDead Man Alarm SystemEngineer’s call SystemHospital Alarm SystemCold Room Alarm System

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Other arrangementsWater Tight DoorsWeather Tight DoorsFire DoorsWeighted sounding cocksSelf Closing sounding cocksSpring loaded drain valvesSpring loaded gauge glass v/v

Portable Fire ExtingishersFoamDCPCO 2

Fire Detection SystemDetectorsManual Call PointsDetection panel LocationCargo Hold smoke detectorsOil Mist DetectorsFire Station

Fire Fighting Team EqupmntSCBASmoke HelmetFire Man’s SuitFire Man’s HelmetTorchFire Axe

GeneralBridge Pyrotechnics

LTAHand FlaresRocket FlaresSmoke Signals

GMDSS RadioSARTEPIRB (HRU)SCBA Compressor

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Petroleum Tanker Systems

Inert GasCOPs & COP Drive TypesTanker Safety

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Inert Gas

Inert Gas<11 % Oxygen by volume, ideally kept <8 %, aimed at <5%

When requiredHow ObtainedIGS & IGG

IGG BlowersScrubberO 2 analyzerDeck SealDeck N/R v/vDeck Isolation v/vTank v/vsPV BreakkerPV Valve

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COPs & COP Drive Types

COPsPump TypesFramoScrew PumpsCentrifugal pumpsStripper PumpsVac Strip System

Drive TypesElectric MotorSteam TurbineEngine Driven

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Tanker Safety

Tanker SafetyEx Proof SystemsIntrincsically Safe SystemsStatic ElectricityBonding & Earthing wiresPortable wash machine continuity testing and record

Emergency SystemsCOT Fill and Over fill alarmsCOP Emergency trips

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Hydraulic Systems

CranesVRCS

Remote operation of valvesHydraulicPneumaticElectric Motor

Control typesModulating controlOpen / Close, control

CPP SystemsWT DoorsHatch Covers

Bow ThrustersSteering GearWinches / WindlassFramo

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Pneumatic Systems

Valve Remote ControlProcess ControlTank level Gauging system

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Bridge & Navigational Equipment

Radars (X & S Band)ARPAECDISGMDSS & Its Battery

Sat cNBDPLRITVoice

VHFSSBSatellite Communication system (Voice and Data)AnemometerCourse RecorderEcho SounderWeather FaxGPSNavtexAISVDR / SVDRNav Lights + Christmas Tree lightsFog Horn & Ship’s HornAuto PilotGyro Compass (Master & Repeaters)Magnetic CompassAldis LampBarographAneroid BarometerChronometerSpare Magnetic CompassClinometer

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Personal Protection and Related Systems

Chemical Spill wash arrangement (Chem tankers)Safe Access to BowsElectrical Insulation glovesChemical GlovesInsulated Matting in front of electrical panelsChemical Apron

Work overalls (Boiler suit)Safety ShoesHelmet with chin strapEar muffsGloves

Plain GogglesWelding gogglesSafety harness

Toxic & Explosive atmosphere detectorsOxygen MetersDrager Tubes

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Heading

Notes

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