lrs报警点检测表

"OilenginesforpropulsionpurposesAlarmsandslowdowns

(seecontinuation)",,,,,

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Item,,,Alarm,,Note

,,,,,,

Lubricatingoilsumplevel,,,LOW,,Engines(andgearingiffitted)

Lubricatingoilinletpressure*,,,1ststagelow,,Engines(andgearingiffitted).Slowdown

Lubricatingoilinlettemperature*,,,HIGH,,Engines(andgearingiffitted)

Lubricatingoilfiltersdifferentialpressure,,,HIGH,,----

,,,,,,

Oilmistconcentrationincrankcaseorbearingtemperature,,,HIGH,,Automaticslowdownofslowspeedengines

,,,,,,

Cylinderlubricatorflow,,,LOW,,Onesensorperlubricatorunit.Slowdown(automaticonmediumandhighspeedengines)

,,,,,,

Thrustbearingtemperature*,,,HIGH,,Slowdown

Pistoncoolantinletpressure,,,LOW,,Ifaseparatesystem.Slowdown

Pistoncoolantoutlettemperature*,,,HIGH,,Percylinder(ifaseparatesystem).Slowdown

Pistoncoolantoutletflow*,,,LOW,,Percylinder(ifaseparatesystem).Slowdown

,,,,,,

Cylindercoolantinletpressureorflow*,,,LOW,,Slowdown(automaticonmediumandhighspeedengines)

,,,,,,

Cylindercoolantoutlettemperature*,,,1ststagehigh,,Percylinder(ifaseparatesystem).Slowdown(automaticonmediumandhighspeedengines)

,,,,,,

Enginecoolingwatersystem-oilcontent,,,HIGH,,Whereenginecoolingtwaterusedinheatexchangers

,,,,,,

Seawatercoolingpressure,,,LOW,,----

Fuelvalvecoolantpressure,,,LOW,,Ifaseparatesystem

Fuelvalvecoolanttemperature,,,HIGH,,Ifaseparatesystem

Oilfuelpressurefromboosterpump,,,LOW,,----

Oilfueltemperatureorviscosity*,,,"Highand

Low",,Heavyoilonly

Oilfuelhighpressurepiping*,,,Leakage,,

Chargeaircooleroutlettemperature,,,"Highand

Low",,4-strokemediumandhighspeedengines

Scavengeairtemperature(fire),,,HIGH,,Percylinder(2-strokeengines).Slowdown

Scavengeairreceiverwaterlevel,,,HIGH,,----

,,,,,,

"Oilenginesforpropulsionpurposes:Alarmsandslowdowns

(conclusion)",,,,,

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Item,,,Alarm,,Note

Exhaustgastemperature*,,,HIGH,,Percylinder.Slowdown(automaticonmediumandhighspeedengines)

"Exhaustgastemperaturedeviation

fromaverage*",,,HIGH,,"Percylinder,forenginepower>500kW/cylinder."

Turbochargerexhaustgasinlettemperature,,,HIGH,,Eachturbocharger

Turbochargerexhaustgasoutlettemperature*,,,HIGH,,Eachturbocharger

"Turbochargerlubricatingoilinlet

pressure",,,LOW,,Ifsystemnotintegralwithturbocharger

"Turbochargerlubricatingoiloutlet

temperature",,,HIGH,,"Eachbearing,ifsystemnotintegralwithturbocharger"

Startingairpressure*,,,LOW,,Beforeenginemanoeuvringvalve

Controlairpressure,,,LOW,,----

Directionofrotation,,,Wrongway,,Reversibleengines

Overspeed*,,,HIGH,,

Automaticstartofengine,,,Failure,,

Electricalstartingbatterychargelevel,,,LOW,,----

"NOTES

1.Where‘percylinder’appearsinthisTable,suitablealarmsmaybesituatedonmanifoldoutletsformediumandhighspeedengines.

2.Forenginesandbearingof1500kWorlessonlytheitemsmarked*arerequired.

3.Commonsensorsareacceptableforalarmsandslowdownfunctions.

4.ExceptwherestatedotherwiseintheTable,slowdownmaybeeffectedbyeithermanualorautomaticmeans,byreductionofspeedorpowerasappropriate.

5.Forenginepowers<500kW/cylinder,buttotalpower>500kW,acommonsensorforexhaustgasmanifoldtemperatureistobefitted.",,,,,

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"Oilenginesforpropulsionpurposes:

Alarmsandshutdowns",,,,,

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Item,,,Alarm,,Note

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Lubricatingoilinletpressure,,,2ndstagelow,,Automaticshutdownofengines（andgearingiffitted）

Oilmistconcentrationincrankcaseorbearingtemperature,,,HIGH,,Automaticshutdownofmediumandhighspeedengines

Cylindercoolantoutlettemperature,,,2ndstagehigh,,Automaticshutdownofmediumandhighspeedengines

,,,,,,

"Steamturbinemachinery:Alarmsand

safeguards",,,,,

,,,,,,

Item,,,Alarm,,Note

,,,,,,

Lubricatingoilpressureforturbinesandgearing,,,1ststagelow,,----

,,,2ndstagelow,,Automaticshutdown

"Lubricatingoiltemperaturefor

turbinesandgearing",,,HIGH,,----

Lubricatingoilsumplevel,,,LOW,,----

"Lubricatingoilfiltersdifferential

pressure",,,HIGH,,----

"Bearingtemperaturesorbearingoiloutlettemperatureofturbinesand

gearing",,,HIGH,,----

,,,,,,

Asternturbinetemperature,,,HIGH,,----

Glandsteampressure,,,HighandLow,,----

Thrustbearingtemperature,,,HIGH,,----

Seawaterpressureorflow,,,LOW,,----

Turbinevibration,,,HIGH,,Shutdownorspeedreductionofturbine(s)

Axialmovementofturbinerotor,,,HIGH,,

Maincondenservacuum,,,LOW,,

Maincondensercondensatelevel,,,HIGH,,

Overspeed,,,HIGH,,

,,,,,,

Gasturbinemachinery:Alarmsandsafeguards,,,,,

,,,,,,

Item,,,Alarm,,Note

,,,,,,

Overspeed,,,1ststagehigh,,Automaticpowerreduction

,,,2ndstagehigh,,Automaticshutdown

Flamefailure,,,Failure,,Automaticshutdown

Failuretoignite,,,Failure,,Automaticshutdown

Lubricatingoilpressure,,,1ststagelow,,----

,,,2ndstagelow,,Automaticshutdown

Lubricatingoiltemperature,,,HIGH,,

Lubricatingoilfilterdifferentialpressure,,,HIGH,,----

Scavengeoiltemperature,,,HIGH,,----

Scavengeoilpressure,,,LOW,,Automaticshutdown

Bearingtemperature,,,HIGH,,----

Turbinevibration,,,1ststagehigh,,----

,,,2ndstagehigh,,----

Oilfuelsupplypressure,,,LOW,,----

Oilfuelsupplytemperature,,,HIGH,,----

Oilfuelleakage,,,HIGH,,

Automaticstarting,,,Failure,,Automaticshutdown

Controlsystem,,,Failure,,Automaticshutdown

Airintakepressure,,,Low,,

"NOTES

1.Fortwo-stagealarms.

2.Forrequirementsonpurgingbeforeignition.

3.WherearequirementfordisablingtheautomaticprotectionandsafetysystemdevicesformachineryandengineeringsystemshasbeendefinedbytheOwner,theconsequencesofusingthedisablingarrangementsaretobeestablishedandincludedintheoperationsproceduresandordersprovidedonboardship.DetailsofanydisablingarrangementsaretobesubmittedtoLRforconsiderationineachinstance.",,,,,

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"Main,auxiliaryandotherboilers:Alarmsandsafeguards(see

continuation)",,,,,

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Item,,,Alarm,,Note

,,,,,,

Waterlevel*,,,LOW,,"Twowaterlevelsensorsaretobeprovidedeachtooperateindependently,andautomaticallyshut-offtheoilfueltotheburnersandoperatealarms,seeNotes1to3"

,,,,,,

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Waterlevel,,,1ststagehigh*,,----

,,,2ndstagehigh,,"Automaticclosureofturbinesteaminlet

valves"

"Steamdrumorsuperheateroutlet

pressure",,,HighandLow,,----

Superheatedsteamtemperature,,,HIGH,,----

De-superheatedsteamtemperature*,,,HIGH,,----

Feedwaterforcedcirculationflow(iffitted),,,LOW,,Oilfueltoburnerstobeshut-offautomatically

FeedwaterpH,,,LOW,,Whenautomaticdosingoffeedwaterfitted

Feedwatersalinity,,,HIGH,,Fittedinboilerfeedsystem

Feedwatertemperature,,,LOW,,Whenautomatictemperaturecontrolfitted

Combustionairpressure*,,,LOW,,Oilfueltoburnerstobeshut-offautomatically

Oilfuelpressure*,,,LOW,,----

Oilfueltemperatureorviscosity*,,,HighandLow,,Heavyoilonly

Oilfuelatomizingsteam/airpressure,,,LOW,,----

Burnerflameandignition*,,,Failure,,"Eachburnertobemonitored.Oilfuelto

burner(s)tobeshut-offautomatically,

seeNote4"

,,,,,,

Uptaketemperature,,,High,,"Whereeconomizerand/orgasairheaters

areintegralwiththeboilerandalsoforindependentextendedsurfaceexhaustgasboilers/economizers,tomonitorforsootfires"

,,,,,,

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"NOTES

1.Fordual-evaporationboilers,theprimarycircuitistobefittedwithtwoindependentlowwaterleveldetectorswhichwilloperatealarmsandshut-offtheoilfueltotheburnersautomatically.Thesecondarycircuitistobefittedwithonelowwaterleveldetectorwhichwilloperatealarmsandshut-offtheoilfueltotheburnersautomatically.Additionallyonehigh

waterlevelalarmistobefittedonthesecondarycircuitwhichmaybeoperatedbythesamedetectorasthatprovidedforlowwaterleveldetection.

2.Onlyoneindependentsystemoflowwaterleveldetection,alarmandautomaticoilfuelshut-offneedbefittedinthecaseofsmallforcedcirculationorre-circulationcoiledwatertube‘package’typeboilerswhenevaporationislessthan2900kg/hrortheheatingsurfaceislessthan100m2.

3.Wheretwolevelsensorsareprovidedthesemaybeusedforotherfunctions,e.g.highlevelalarm,levelcontrol,tripsystems.etc.

4.Combustionspacesaretobepurgedautomaticallybeforere-ignitiontakesplaceintheeventofaflame-outonallburners.

5.Forboilersnotsupplyingsteamforpropulsionorforservicesessentialforthesafetyortheoperationoftheshipatsea,onlytheitemsmarked*arerequired.",,,,,

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Thermalfluidheaters:Alarmsandsafeguards,,,,,

,,,,,,

Item,,,Alarm,,Note

,,,,,,

Expansiontanklevel,,,LOW,,Oilfuelburnerstobeshut-offautomatically

Thermalfluidflow,,,LOW,,Oilfuelburnerstobeshut-offautomatically

Thermalfluidpressure,,,LOW,,Oilfuelburnerstobeshut-offautomatically

Thermalfluidoutlettemperature,,,1ststagehigh,,----

,,,2ndstagehigh,,"Oilfuelburnerstobeshut-offautomatically,"

Combustionairpressure,,,LOW,,Oilfuelburnerstobeshut-offautomatically

Oilfuelpressure,,,LOW,,----

Oilfueltemperatureorviscosity,,,HighandLow,,Heavyoilonly

Oilfuelatomizingsteam/airpressure,,,Low,,----

Burnerflameandignition,,,Failure,,"Eachburnertobemonitored.Oilfuelto

burnerstobeshut-offautomatically,seeNote1"

,,,,,,

Uptaketemperature,,,High,,"Whereapplicable,tomonitorforsootfires"

"NOTES

1.Combustionspacesaretobepurgedautomaticallybeforereignitiontakesplaceintheeventofaflame-outonallburners.

2.Specialconsiderationmaybegiventotherequirementsforoil-firedhotwaterheaters.",,,,,

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Inertgasgenerators:Alarmsandsafeguards,,,,,

,,,,,,

Item,,,Alarm,,Note

,,,,,,

Inertgasoutlettemperature,,,HIGH,,Oilfueltoburnertobeshut-offautomatically

Combustionairpressure,,,Low,,Oilfueltoburnertobeshut-offautomatically

Oilfuelpressure,,,Low,,----

Oilfueltemperatureorviscosity,,,HighandLow,,Heavyoilonly

Burnerflameandignition,,,Failure,,"Oilfueltoburnertobeshut-offautomatically,seeNote1"

Coolingwaterpressureorflow,,,Low,,Oilfueltoburnertobeshut-offautomatically

Coolingwatertemperature,,,HIGH,,----

Oilfuelsupply,,,Insufficient,,

Powersupplytoinertgasgenerator,,,Failure,,Gasrelatingvalveistobeshutdownautomatically

Automaticcontrolsystempowersupply,,,Failure,,

"NOTES

1.Combustionspacesaretobepurgedautomaticallybeforereignitiontakesplaceintheeventofaflame-outonallburners.

2.SeealsoPt5,Ch15.",,,,,

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Incinerators:Alarmsandsafeguards,,,,,

,,,,,,

Item,,,Alarm,,Note

,,,,,,

Oilfueltemperatureorviscosity,,,HighandLow,,Heavyoilandsludge

Oilfuelpressure,,,Low,,----

Combustionairpressure,,,Low,,Oilfueland/orsludgetoburnerstobeshut-offautomatically

Burnerflameandignition,,,Failure,,"Oilfueland/orsludgetoburnerstobeshut-offautomatically,seeNote"

Furnacetemperature,,,High,,Oilfueland/orsludgetoburnerstobeshut-offautomatically

Furnacetemperature,,,Low,,Ifapplicable

Exhausttemperature,,,High,,----

"NOTE

Combustionspacesaretobepurgedautomaticallybeforereignitiontakesplaceintheeventofaflame-outonallburners.",,,,,

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Auxiliaryenginesandauxiliarysteamturbines:Alarmsandsafeguards,,,,,

,,,,,,

Item,,,Alarm,,Note

,,,,,,

OILENGINES,,,,,

Lubricatingoilinlet,,,High,,----

Lubricatingoilinletpressure,,,1ststagelow,,----

,,,2ndstage*low,,Automaticshutdownofengine*

Oilmistconcentrationincrankcaseorbearingtemperature,,,High,,Automaticshutdownofengine

Oilfuelhighpressurepiping*,,,Leakage,,

"Coolantoutlettemperature(for

engines>220kW)",,,1ststagehigh,,----

,,,2ndstage,,Automaticshutdownofengine*

Coolantpressureorflow,,,Low,,----

Oilfueltemperatureorviscosity,,,HighandLow,,Heavyoilonly

Overspeed,,,High,,

Startingairpressure,,,Low,,----

Electricalstartingbatterychargelevel,,,Low,,----

Exhaustgastemperature,,,High,,Percylinderforenginepower>500kW/cylinderSeeNote1

STEAMTURBINES,,,,,

Lubricatingoilinlettemperature,,,High,,----

Lubricatingoilinletpressure,,,1ststagelow,,

,,,2ndstagelow*,,Automaticshutdownofturbine*

Condenservacuum,,,Low,,Automaticshutdownofturbine*

Axialdisplacementofrotor,,,High,,

Overspeed,,,High,,

"NOTE

1.Forenginepowers<500kW/cylinder,buttotalpower>500kW,acommonsensorforexhaustgasmanifoldtemperatureistobefitted.

2.Therearenoclassificationrequirementsfortheitemsmarked*inthecaseofenginesbeingusedfortheemergencysourceofelectricalpowerrequiredbySOLAS.

3.ThearrangementsaretocomplywiththerequirementsoftheNationalAuthorityconcerned.",,,,,

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"Controllablepitchpropellersandtransversethrustunits:Alarmsand

safeguards",,,,,

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Item,,,Alarm,,Note

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Hydraulicsystempressure,,,Low,,----

Hydraulicoilsupplytanklevel,,,Low,,----

Hydraulicoiltemperature,,,High,,Whereanoilcoolerisfitted

"Powersupplytothecontrolsystem

betweentheremotecontrolstationandhydraulicactuator",,,Failure,,

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Propulsionmotor,,,Overload,,

,,,,,,

Electricsystem:Alarmsandsafeguards,,,,,

,,,,,,

Item,,,Alarm,,Note

,,,,,,

Bus-barvoltage,,,HighandLow,,----

Bus-barfrequency,,,Low,,----

Operationofloadshedding,,,Warning,,----

Generatorcoolingairtemperature,,,High,,Forclosedaircircuitwatercooledmachines

,,,,,,

Waterjets:Alarmsandsafeguards,,,,,

Item,,,Alarm,,Note

,,,,,,

Hydraulicsystempressure,,,LOW,,----

Hydraulicoilsupplytanklevel,,,LOW,,----

Hydraulicoiltemperature,,,HIGH,,Whereanoilcoolerisfitted

Hydraulicsystemflow,,,LOW,,----

Lubricatingoilpressure,,,LOW,,----

Controlsystem,,,Fault,,----

Controlsystempowersupply,,,Failure,,----

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Miscellaneousmachinery:Alarmsandsafeguards,,,,,

,,,,,,

Item,,,Alarm,,Note

,,,,,,

Sterntubelubricatingoiltanklevel,,,LOW,,----

"Sterntubebearingtemperature(oil-

lubricated)",,,high,,----

Coolanttankslevel,,,LOW,,----

Dailyserviceoilfueltankslevel,,,HighandLow,,Onehighlevelalarmmaybefittedinacommonoverflowtank

Dailyserviceoilfueltankstemperature,,,High,,Whereheatingarrangementsarefitted

Oilfuelsettlingtankstemperature,,,High,,Whereheatingarrangementsarefitted

Sludgetankslevel,,,High,,----

Feedwatertankslevel,,,Low,,Servicetankonly

Purifierwatersealbroken,,,Fault,,----

Purifieroilinlettemperature,,,High,,----

Aircompressorlubricatingoil,,,Failure,,Automaticshutdown

Aircompressordischargeairtemperature,,,High,,----

Hydrauliccontrolsystempressure,,,Low,,----

Pneumaticcontrolsystempressure,,,Low,,----

Oilheatertemperature,,,High,,

Controlledenvironmentalconditions,,,Abnormal,,

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