FGS應(yīng)用及相關(guān)標(biāo)準(zhǔn)課件

FGSApplication&Standard

FGS應(yīng)用及相關(guān)標(biāo)準(zhǔn)PrincipalpurposeoftheFGS

FGS的主要目的Theprotectionofpersonnel保護(hù)人的安全Theprotectionofenvironment保護(hù)環(huán)境Theprotectionofequipment,plantandstructures

保護(hù)設(shè)備、裝置和建筑TypicalroleandfunctionofFGS

FGS典型的功能Todetectlocation,natureandconditionsoffireandgashazardsattheearliestpossiblestage.

FGS系統(tǒng)可及時發(fā)現(xiàn)并判斷火災(zāi)和毒氣的位置和狀況Toinitiateprotectiveactions.FGS系統(tǒng)對危險可及時采取相應(yīng)保護(hù)措施

Tofunctionondemandandasintendedandnotinitiatenuisanceevents.FGS系統(tǒng)保證采取相應(yīng)保護(hù)措施是準(zhǔn)確的,而不是誤動作OverviewofthefunctionalityFGS

FGS系統(tǒng)功能簡介Thesystemmustrapidlyandautomaticallydetect,alarm,disconnectnon-essentialelectricalequipment.FGS系統(tǒng)可以快速的自動檢測,報警,斷開非重要的電子設(shè)備Removeorisolatefuelsourcesandinitiateextinguishingsystem.FGS系統(tǒng)可以排除或隔離火源并起動滅火系統(tǒng)Totolimittheconsequencesofafireandtominimizegas,smokeandleakagetootherareaswithinacertaintime.在一定的時間內(nèi),系統(tǒng)可限制火災(zāi)或毒氣、煙等泄漏而造成危害的擴(kuò)大Theboundariesnormallyconsistoffirewalls,roofsanddecksandthedivisionsarebasedontherisktheyrepresent.

根據(jù)不同的危險程度通常有不同的防護(hù)措施如防火墻,頂棚,甲板等FGSdesignprincipleandthecriterionfollowedFGS系統(tǒng)的設(shè)計原則及遵循的規(guī)范ThecriterionmustfollowedwhendesignoneFGSaccordedwithinternationalstandard:

符合國際標(biāo)準(zhǔn)的FGS系統(tǒng)設(shè)計時應(yīng)遵循的規(guī)范要求：

NFPA72:NationalFireAlarmCodeEN54-2:FireDetectionandFireAlarmSystems-Part2:ControlandIndicatingEquipmentDIN19250TUVAK-5,6/IEC61508SIL3

中國國家消防認(rèn)證要求：GB4717-93forFireapplication/GB16808-1997forGasapplicationFGSmustbeindependenttotheprocesscontrolsystem,inordertoadoptmeasuretoeliminatingdangerfleetlyandtimely.FGS系統(tǒng)在設(shè)計上應(yīng)獨(dú)立于過程控制系統(tǒng)之外，以便在必要時能夠快速及時采取措施消除危險；ConsiderationsforF&GApplications

FGS系統(tǒng)應(yīng)用應(yīng)考慮的內(nèi)容NormallyDe-energized(NDE)orNormallyopen(NO)modeofoperation.ReversemodeofoperationscomparedwithSIS。

FGS的工作狀態(tài)：正常情況是不帶電的或是常開的操作模式,此工作模式與SIS相反FGSshalltakeredundancyandfault-tolerantstructure,inordertotimelyfindandreplacethefaultmoduleonline.FGS系統(tǒng)的設(shè)計應(yīng)采取冗余容錯的結(jié)構(gòu)，以便及時發(fā)現(xiàn)和在線更換故障元件LinemonitoringcapabilitiesforNDE.

因?yàn)榛芈凡还╇?，所以FGS系統(tǒng)必須具有回路監(jiān)測功能Un-interruptedpowersupply(NFPA721hr).

根據(jù)NFPA72，F(xiàn)GS系統(tǒng)采用UPS電源，其必須維持至少一個小時

Whendesigningandconfiguringafire&gassystem,thiszoninghastobetakenintoconsideration.Themimic/matrixandVideoDisplayUnit(VDU)presentationmustreflectthiszoning.當(dāng)設(shè)計一個火氣系統(tǒng)必須要考慮區(qū)域的劃分,可通過模擬盤/矩陣和視頻系統(tǒng)反映出來Differenttypesoffiresandtheeffectsoffireextinguishingagentsdifferdependingontypeoffire.Thelocation,coverageandtypeofsensors(i.e.smoke,heat,flame)areextremelyimportantaswellaswhattypeofagenttobeusedinextinguishingthefire(i.e.foam,chemicals,waterdeluge,watersprinklers).不同種火因采取不同的滅火方法.傳感器的類型,位置,覆蓋也是非常重要的,不同的滅火方法包括:泡沫,水炮,噴淋等Thereisamultitudeofdifferentmakersoffireandgasdetectorsandaslongasthesensorprovidesa4-20mAsignalitcanbeusedinaTRICONF&Gsystem.

無論任何種探頭,只要是4-20MA標(biāo)準(zhǔn)信號TRICONEXFGS系統(tǒng)都可以接受KeyPointsforF&GSystem

FGS系統(tǒng)的要點(diǎn)MonitoringorSupervisionofdigitalinputs(andoutputs)areveryimportantinfireandgasapplicationsasinmostcasesaninputoroutputcontactmayremaininthenon-tripstateformonthsorevenyears.

對DI、DO點(diǎn)監(jiān)控是非常重要的，因?yàn)镕GS信號正常的話可以幾個月或幾年沒有變化Thecontrolprograminthecontrolunitdecidesoncorrectiveaction,ifany,andtransmitsthesignaltotheoutputmodule.

系統(tǒng)控制軟件用來決定采取的步驟，一旦有事情的發(fā)生，立即將信號傳輸給輸出模塊Outputdevicesinafireandgassystemwouldgenerallybevisualandaudiblealarms,activationofdelugewaterorsprinklersystem,annunciationonamatrixpanelinacentralcontrolroomandcommunicationtoaDCSsystem.

在設(shè)計一個FGS系統(tǒng)時，通常設(shè)有聲光報警等保護(hù)措施如消防方面的水炮或自動灑水系統(tǒng)、在中控室有矩陣盤顯示并且能與DCS系統(tǒng)通訊KeyPointsforF&GSystem

FGS系統(tǒng)的要點(diǎn)TRICONEXFGSmostlycomponentelementTRICONEXFGS系統(tǒng)的主要構(gòu)成元素Sitespringordetectelement:Thepartmostlyprovidethedetectofsitefireandburn/venomousnessgastoFGS.

現(xiàn)場觸發(fā)或檢測元件：此部分主要為FGS系統(tǒng)提供對現(xiàn)場火災(zāi)及可燃?xì)怏w/有毒氣體的檢測Firealarmpanel:Connecttothedetectorinsitebyhardwireoraddressbus,providethedisplayandalarmfunction,andcommunicationtoTRICONEXmainsystem.

火災(zāi)報警盤：與現(xiàn)場（主要為樓宇和室內(nèi)應(yīng)用）的檢測探頭通過硬線或可尋址總線方式連接，提供相應(yīng)的顯示、報警功能，并與TRICONEX主系統(tǒng)進(jìn)行通訊聯(lián)系Centeroperationstationorfirealarmstation:Operatorwilldealwiththefirealarm,ifneeded,willspring,turnoutfirefightingequipment,orothersafeguard.

中心處理站或火災(zāi)報警站：操作人員將進(jìn)行對火災(zāi)報警進(jìn)行處理，必要時觸發(fā)或出動消防設(shè)備進(jìn)行滅火等保護(hù)措施.TRICONEXFGSmostlycomponentelementTRICONEXFGS系統(tǒng)的主要構(gòu)成元素Menudisplayandregister:Displaythestateofthesystemfirefightingequipmentanddetector,registerthealarmandfaultinformation.Atthesametime,mimeographtheeventregisterintimeviatheprinterconnected.

畫面顯示和記錄：顯示系統(tǒng)消防設(shè)備和探測器的狀態(tài)情況；對報警和故障信息進(jìn)行記錄，同時，可通過連接的打印機(jī)設(shè)備及時對事件進(jìn)行打印記錄.Theterritorialdisplayoffirealarm:Displaytheesiteequipmentlocalityandstatebyvideotex,forexamplethematrixdisplaypanelinthebuildingplacedcompressor,alloverplantmatrixdisplaypanel,etc.

消防報警區(qū)域顯示：通過可視界面實(shí)現(xiàn)對FGS系統(tǒng)現(xiàn)場設(shè)備位置及狀態(tài)的顯示，例如壓縮機(jī)房矩陣顯示盤，全廠矩陣顯示盤等.Soundalarmequipment:registerandalarmthealarumandfaultbybuzzer,alarmbell,bugle,etc.

聲音報警設(shè)備：對報警和故障通過蜂鳴器、警鈴、喇叭等進(jìn)行提示和報警Alloverplantalarmandbroadcast(PA/GASystem):Giveanalarmtoimportanceinstancebycommonalitybroadcastoralloverplantannunciation.全廠報警及廣播系統(tǒng)：通過公共廣播或全廠報警器對重大情況進(jìn)行報警Redundancypowersupply:AnypowercanindependentlyloadthetotalFGSsystemandit’sequipments.冗余電源系統(tǒng)：任何一路電源都能夠獨(dú)立地負(fù)載全部的FGS系統(tǒng)及其設(shè)備Backupbattery:Forpreventthepowerfault,shellequipbackupbatterywhichcanprovideenoughtime(atleastonehour).后備電池系統(tǒng)：為了防止供電故障發(fā)生，應(yīng)當(dāng)配備能提供足夠時間的后備電池系統(tǒng)以提供備用供電（至少1小時）；TRICONEXFGSmostlycomponentelementTRICONEXFGS系統(tǒng)的主要構(gòu)成元素TheinputdevicesareconnectedtoanAnalogInputdeviceviaaterminationpanellocatedeitheratthebackofaTRICONcabinetoraseparatemarshalling,crosswiringorfieldterminationcabinet.

現(xiàn)場信號輸入直接接至TRICON系統(tǒng)的ETPGalvanicandintrinsicallysafebarriersorisolatorsmaybeincludedtoseparatesystembetweenhazardousandsafeareas.在危險區(qū)域與安全區(qū)域，檢測信號與系統(tǒng)之間須有安全柵加以隔離Inputfromthefieldcouldbeanalog4-20mAordigitalcontactpoints.E.g.smoke,heat,flame,combustiblegasandtoxicgassensors.

輸入信號可能是模擬信號或數(shù)字信號，通過煙、熱、火焰、可燃?xì)怏w和有毒氣體傳感器地檢測TRICONEXFGSSystemSolution

TRICONEXFGS系統(tǒng)解決方案Manualcallpointsorfirealarmbuttonsandmanualreleasestationsarepartofthefireandgassystem.手動按扭或火警按扭和手動釋放作為FGS系統(tǒng)一部分StandardTriconexdevelopedfireandgasfunctionblocks.在TRICONFGS系統(tǒng)中具有標(biāo)準(zhǔn)化FGS功能塊TriconstationusingTriStation1131.TheGASDETR,LOOPDETR,LINEMNTRthreefunctionblocksarespecificallydesignedfor4-20mAgasandfiredetectorsrespectively.

TRICONFGS維護(hù)站采用1131軟件，氣體監(jiān)測，回路監(jiān)測，線路監(jiān)測三種功能使用非常精確TRICONFGSSystemSolution

TRICONFGS系統(tǒng)解決方案1LN

NOCNC2LN

NOCNCACBATTERYREMOTERUNPROGRAMSTOPREMOTERUNPROGRAMSTOPPASSFAILALARMTEMPBATLOW24VDCPOWERMODULEMODEL8311PASSFAILALARMTEMPBATLOW24VDCPOWERMODULEMODEL8311PASSFAULTACTIVEMAINT1MAINT2COMTXCOMRXI/OTXI/ORXEMPII3006PASSFAULTACTIVEMAINT1MAINT2COMTXCOMRXI/OTXI/ORXEMPII3006PASSFAULTACTIVEMAINT1MAINT2COMTXCOMRXI/OTXI/ORXEMPII3006PASSFAULTACTIVEPRTEICM41194TX4RX3TX3RX2TX2RX1TX1RXNCMFire&GasSupervisoryStationFire&GasMimic/MatrixPanelHeatDetectionSmokeDetectionGasDetectionFlameDetectionManualCallPointsAI3703EAI3703EAI3703EAI3703EAI3703EDetection(Input/Intiatingdevices)檢測部分Control(Cause&Effect)控制部分

NotificationandSuppression(Outputdevices)執(zhí)行部分：通告和抑制DO3624DO3624DO36241LN

NOCNC2LN

NOCNCACBATTERYREMOTERUNPROGRAMSTOPREMOTERUNPROGRAMSTOPPASSFAILALARMTEMPBATLOW24VDCPOWERMODULEMODEL8311PASSFAILALARMTEMPBATLOW24VDCPOWERMODULEMODEL8311PASSFAULTACTIVEMAINT1MAINT2COMTXCOMRXI/OTXI/ORXEMPII3006PASSFAULTACTIVEMAINT1MAINT2COMTXCOMRXI/OTXI/ORXEMPII3006PASSFAULTACTIVEMAINT1MAINT2COMTXCOMRXI/OTXI/ORXEMPII3006PASSFAULTACTIVEPRTEICM41194TX4RX3TX3RX2TX2RX1TX1RXVisualAlarmAudibleAlarmDeluge/Sprinkler/Foam消防系統(tǒng)DCSSystem

CommunicationtoDCSandSuperviroySystemDI3564DO3664SupervisedDIContactInput(Smoke,Flame,Heat)OptionalTriconTMRTRICONFGSSystemSolution

TRICONFGS系統(tǒng)解決方案TRICONThreeFunctionBlocks

TRICON的三種功能塊

GASDETR：the4-20mAsignalisconvertedtoanyscaledengineeringunitvalueforuseinalarmsandthelevelofgaspresent.Theapplicationcanbeprogrammedtomonitorthestatusofthesensorandconditionscanbesetupforover-range,under-range,opencircuitandwire-to-wireorwire-to-groundshortcircuits.氣體檢測:4-20MA信號反映氣體濃度，確定報警值，超標(biāo)，開路，短路等LOOPDETR：the4-20mAsignalisconditionedandvaluesareinitializedforalarmtriplimit.Theapplicationcanbeprogrammedtomonitoropenandshortcircuits.回路監(jiān)測:4-20MA信號很容易確定報警值，以及對短路和斷路的監(jiān)測LINEMNTR：whichmonitorsadiscrete(contact)inputinananaloginputloop.Differentvoltagelevelsarereadbytheanaloginputmoduleanddetermineswhetherthereisafieldwiringopen,contactopen,contactclosed,fieldwiringshortedtogroundandfieldwiringshortedtogether.線路監(jiān)測:離散量采用模擬回路的處理，通過電壓值反映出現(xiàn)場線路開路、短路及接地情況TRICONFGSSoftwarefunctionmoduleinstanceTRICONFGS系統(tǒng)軟件功能模塊實(shí)例TRICONFGSTypicalsuperviseloopimplementTRICONFGS典型監(jiān)控回路實(shí)現(xiàn)ESDFIREGASSENSORSF&GActivitiesESDValvesDampersActuatorsFABESDButtonsPCSPSDInputstoESDaregenerallyfromtheF&GsystemandmanualESDstationsESDactivatesPSDInputstoPSDaregenerallyfromPCSdevices,e.g.pressure,transmitters,manualshutdownstations,etc.PRESSURETEMPERATURETRANSMITTERSetc.OutputsfromESDandPSD:-Relaysthattripcircuitbreakers(disconnectionofpowersupplies)-Solenoidvalvesthatclose/openESDVsandprocesssafetyvalvesF&GSupervisoryStationHardwiredtoF&GMatrixFireSuppressionSolenoidsFAB

-FireAlarmButtonsESD

-EmergencyShutDownSystemPCS

-ProcessControlSystemPSD

-ProcessShutdownF&GSystemF&GInterconnections

FGS系統(tǒng)與外部的聯(lián)接IntegrationwithESD

與ESD系統(tǒng)的綜合TheF&GsystemiscloselylinkedtotheESDsystemandpartofthetotalsafetysystem.FGS與ESD系統(tǒng)結(jié)合而構(gòu)成安全系統(tǒng)的一部分TheF&Gsystemisthesystemthatdetectsanabnormalsituation,transmitstheinformationtotheESDsystemwhichinturnshutsdownthesysteminasafepredeterminedfashion.FGS系統(tǒng)檢測到反常的狀態(tài)反饋給ESD系統(tǒng),ESD根據(jù)必要采取預(yù)先確定的安全措施Thefireandgassystemconsistsofthedetectionsystem,alarmsystemandfireprotectionsystem.

火氣監(jiān)測系統(tǒng)FGS的組成：檢測系統(tǒng),報警系統(tǒng)和消防保護(hù)系統(tǒng)Thesafetysystemautomatically(ormanually)notifiespersonnelandmitigatesthehazardoussituation.安全系統(tǒng)自動（或人為）的通知人員和同時采取措施減少風(fēng)險的危害FGStypicallocalelement

FGS系統(tǒng)典型現(xiàn)場元件TypicalFGSinputsignal:典型FGS輸入信號介紹 Flammablegasdetector(可燃?xì)怏w檢測器（定點(diǎn)式/開路式）H2S/Venomousnessgasdetector硫化氫/有毒氣體檢測器FireDetection(Smoke,

Heat

detectors)煙感/溫感火災(zāi)探測器Flamedetector(UV,IR,UV/IRComplex)火焰探測器（紅外、紫外、復(fù)合式）Man-madspringequipment:FireAlarmButtons(FAB)人為觸發(fā)設(shè)備，例如，手動報警器等TypicalFGSoutputsignal:典型FGS輸出信號介紹 Voiceannunciator,e.g.Buzzer,Siren,Bugle,etc.聲音報警器，如蜂鳴器、警報器、喇叭等；visionannunciator,e.g.Alarmlight,etc.視覺報警器，如報警燈等；Alarminformation,e.g.SER,HMI,DCSdisplay,etc.報警信息，如，SER，HMI，DCS顯示等Startuperadicatefireequipment,e.g.FirePumpSystem,SprinklerValve.etc.啟動滅火設(shè)備，如，消防水泵、噴淋閥等Springinterlocksystem,e.g.springSIS(ESD),etc.觸發(fā)聯(lián)鎖系統(tǒng)，例如，與SIS（ESD）的觸發(fā)等Automationshutoffair-conditiondraughtsystem自動關(guān)閉空調(diào)通風(fēng)系統(tǒng)FGStypicallocalelement

FGS系統(tǒng)典型現(xiàn)場元件TypicalFGSnetwork典型FGS系統(tǒng)網(wǎng)絡(luò)圖TypicalInternationalProject

典型