項目-pl19-3操作維修手冊1.050english

蓬萊油氣田開發(fā)項PL19-3II期鉆機模塊操作維修手（1.0~5.01.0~5.0總體、工藝、安全操作維修手概 簡 環(huán)境條 平面布 模塊鉆 主要模塊簡介 吊裝模塊及模塊內組成列表如下 鉆完修井機總體圖紙如下 工藝系 低壓泥漿系 高壓泥漿系 巖屑回注系 公用系 柴油系 鉆井水系 排放系 發(fā)電機房排煙系 發(fā)電機房冷卻系 井控系 動力系 公用氣系 安全消防系 概 固定式FM200滅火系 便攜式滅火裝 圖 1.0~5.0總體、工藝、安全操作維修手概 簡 環(huán)境條 平面布 模塊鉆 主要模塊簡介 吊裝模塊及模塊內組成列表如下 鉆完修井機總體圖紙如下 工藝系 低壓泥漿系 泥漿混合系 泥漿輸送系 泥漿計量灌注系 船供泥漿系 鉆凈化系 高壓泥漿系 高壓泥漿泵入系 節(jié)流壓井系 巖屑回注系 公用系 柴油系 鉆井水系 排放系 發(fā)電機房排煙系 發(fā)電機房冷卻系 井控系 動力系 公用氣系 安全消防系 概 采用規(guī)范與標 安全原理要 區(qū)域劃 逃生路 固定式FM200滅火系 概 鉆機模塊FM200滅火系統(tǒng)的組成和布 FM200滅火系統(tǒng)工作原 FM200滅火系統(tǒng)主要性能及技術參 FM200滅火系統(tǒng)工作程序與控制方 FM200滅火系統(tǒng)的用 FM200滅火系統(tǒng)的操作與.......................................................便攜式滅火裝 手提式CO2滅火裝 手提式干火 圖 340C、D、140B，1241124A井口平臺C、D、E均設有定員60人的生活樓，供鉆井和生產(chǎn)人員居住。在中心平臺旁的井口平臺B設有定員100人的生活樓。井口平臺F設有定員20人的生活樓，供從2006到2010年鉆、完井作業(yè)將使用自升式鉆井平臺和模塊鉆機聯(lián)合完成。鉆井數(shù)目預計為：169口生產(chǎn)井，54口注水井和5口巖屑回注井。每個井口平臺都有巖屑回WHPWHPWHPWHPWHPWHP最低環(huán)境空氣溫度-最高環(huán)境空氣溫度最低海水溫度-最高海水溫度海水密度海水粘度熱傳導率W/m-海水電阻率Ω-25-水深1風、浪、海流方向5050風速5550842888828055浪高776555667海浪周期表層海流速度4440555277725520中層海流速度1117552011172204底層海流速度1117222011172204100風、浪、海流方向5050風速2227058333380722浪高9997338944883799海浪周期表層海流速度7775144822258852中層海流速度1112114844728827底層海流速度11128885447255270.04s＜TSa=0.191g×0.10s＜TSa=0.191g0.40s＜Sa=0.191g×0.833T-下面介紹的模塊鉆機是渤海二期工程中為40口井的井口平臺專門設計和制造的，設計周期20年。該設計采用了墨西哥灣模塊鉆機的設計理念，即根據(jù)平25鉆采已有井的部分井段，下套管和加固生產(chǎn)套管（12-1/4″井眼，9-5/8″鉆采油藏井段（8-1/2"）API由于項目組對蓬萊19-3井口平臺B、D、E的設計與井口平臺C相似，下面僅C處理罐76m3，泥漿罐76m3。攪拌器、液位計、變送器和泥漿設備管線等將永久除氣 號處理 號處理 計量 6.4巖屑收集 泥漿罐包括1號 2號 號 加藥 8.15加藥 該甲板將放置由第提供的鉆井廢棄物處理裝置其功能是將鉆井產(chǎn)生的巖屑處BOP最后一個放置設備和工具籃。絞車頂篷放置站和鋼絲繩滾筒（31.8m3VV（1）1（西側混合/輸送泵輸送泵（50HP（巖屑回注泵（單獨吊裝（第提供（15HP（（2）2（東側增壓泵計量泵1（單獨吊裝1（單獨吊裝2（單獨吊裝2（單獨吊裝除氣器離心機（第提供310HP310HP25HP（5）1噴淋泵（6）1800HP風機馬達（僅用直流電（7）2噴淋泵（8）2800HP風機馬達（僅用直流電（9）巖屑回注泵（第提供（10）1（11）2（12）（13）1（14）2鉆井廢棄物處理裝置（第提供12防噴器關閉裝置800HP鋼絲繩滾筒（單獨吊裝站A2（（34）1（35）2（36）31（散料堆放2（基礎油儲罐（39）1（40）2（41）31234（47）1（48）2（49）3（50）4（51）5（52）2（53）V（55）各設備參數(shù)詳見圖紙：K1-18P-D-MF-JCA-混合泵從泥漿罐/混合罐/加藥罐的出口管匯吸入泥漿，送入混合漏斗詳見圖紙：K1-18P-D-MF-JCA-0001、K1-18P-D-MF-JCA-詳見圖紙：K1-18P-D-MF-JCA-0001、K1-18P-D-MF-JCA-詳見圖紙：K1-18P-D-MF-JCA-詳見圖紙：K1-18P-D-MF-JCA-鉆凈化系鉆凈化設備包括分流箱、振動篩、除氣器、離心機、離心泵等的再循環(huán)導致鉆井泵的氣鎖而引起嚴重井噴事故還可以安全有效地排除氣詳見圖紙：K1-18P-D-MF-JCA-各設備主要參數(shù)詳見圖紙：K1-18P-D-MF-JKA-詳見圖紙：K1-18P-D-MF-JKA-節(jié)流管匯的作用有：替換出被污染的鉆，同時控制井口套管壓力與立管壓力，恢復鉆液柱對井底的壓力控制，制止溢流；通過節(jié)流閥的泄壓作用，井四通—節(jié)流管匯—鉆氣體分離器—喇叭口。注重鉆實施壓井作業(yè)當已經(jīng)發(fā)生井噴時通過壓井管匯往井口強注清水，詳見圖紙：K1-18P-D-MF-JKA-的目標，有效地保護了海洋的生態(tài)環(huán)境（尤其是油基鉆。PL19-3油田共有5口巖屑回注井，每個井口平臺1口。具體流程為：振動篩—粗屑罐—研磨泵—細屑罐—研磨泵—巖屑注入泵詳見圖紙：K1-18P-D—MF-JHA- DieseloilTheCplatformprovidesthedieseloilforthethreegeneratorsofthedrillingrig.The customer-generators.Thedieseloilreturnstothediesel throughthereturnpipe outlet,assistedbythereinjectionpumpwiththepressure861KPaGandumflowrate10.22m3/h.theflowchartcanbedescribedas:platform—diesel—firstfilter—secondfilter—generators— Seethedrawing：K1-18P-D-MF-JAA-DrillingwaterThedrillingwatersystemconsistsoffreshwatersystemandseawatersystemwhichsharepipelines.Thedrillingwaterisusedforwashingthewellandcomposingthedrillingfluidwithsalinityfrom1%tosaturationwhichcaninhibittheclayhydrating.Thedrillingwaterwillgothroughthehoseconnectiontothecustomersorisprovidedbysupplyvessels.Seethedrawing:K1-18P-D-MF-JAA-0002GeneralDrainWeconsideralltherigdrainsasnotdangerousones.Thegeneraldrainsystemdivideintotwolines:1.thedrainsfromsuchasdrawworks,BOP,drum,setback,etctothecourseofCRIsystem;2.thefloordrainsoftheengineroomandbottomdeckwillintegrateintothedrainsystemoftheplatform.Seethedrawing：K1-18P-D-MF-JAA-EngineexhaustTherearethreesetsofgeneratorsintheengineroomwithonesmokepipeforeachset.Seethedrawing：K1-18P-D-MF-JAA-0008EnginecoolingThethreesetsofgeneratorsintheengineroomdrivenbydieseloilwiththepower1686HP，1257KWhaveaseparatereservoir(capacity208.2L)foreachwithumpressure138kPaG.Theenginecoolingsystemiswatercoolingwithtwopilinescycle.Seethedrawing：K1-18P-D-MF-JAA-0009WellcontrolWellcontrolsystem,asessentialpartofthedrillingandworkover,istobalancethewellpressurebytakingsomemeasurestocontrolthestrataporepressurewithgroundcontrolstack,forthepurposetoensurethewellgoingofthedrilling.BOPandtheBOPclosingunitareimportantpartofthewellcontrolsystem.Seethedrawing:K1-18P-D-MF-JEA-0001HydraulicThehydraulicsystemprovidespowerforthedrillinglinespooler,drillfloordrawcrawlersandsoon.Thehydraulicpowerunitincludesthe757Ldiesel ,twocentrifugalpumpswithflowrate204L/minandpressure.Theflowrateandpressureofusers/customersarefollowing:steelwirespooler76L/min，20.68MPa；drillfloor 246L/min，9.7MPa；twodrillfloorcrawlers42L/min，13.8MPaandtwodrillmastcrawlers:102L/min，13.8MPa.Seethedrawing:K1-18P-D-MF-JFA-0001UtilitiesairTheutilitiesairsystem,servingsuchequipmentasp aticinstrumentcontroller, aticequipmentandutilitiesstationconsistsofaircompressor,dryer,airreservoirs(1.5M3)withutilitiesairpressure861.8kPa.thecompressedairofdrillingandworkoverisfromtheplatformandtheprovisionbyscrewcompressor.Seethedrawing:K1-18P-D-MF-JJA-0001 SafetyandfirefightingApplicableNormsandThesafetysystemofPL19-3DCWRappliesthefollowing《OffshorePlatformSafetyRegulationStateEconomicandTrade《InternationalConventionfortheSafetyofLifeatSea(SOLAS)NationalStandardofPRC《DesigningStandardforFire-fightingSystemwithcleangas,Heptafluoropropane(HFC-227ea)》API(AmericanPetroleumInstitute) mendedPracticeforManufacturingEquipmentsonOffshoreStructure》 《 mendedPracticefor ysis,Design,InstallationandTestingofBasicSurfaceSafetySystemforOffshoreProductionPlatform》 mendedPracticeforFirePreventionandControlonOpenTypeOffshoreProductionPlatform》 mendedPracticeforDesignandHazards forOffshoreProductionFacilities》APIRP500《mendedPracticeforClassificationofLocationsforElectricalInstallationatPetroleumFacilitiesClassifiedasClassI,Division1andDivision2》NFPA(NationalFireProtectionAssociation)StandardNFPA10 Handfire-extinguisherNFPA70 NationalElectricalCode(NEC)NFPA72 Alertandsignalsystem Fire-fightingsystemwithcleanKeypointsofthesafetyTheisolationoftheflammableairsupplyfromtheThefireareaisisolatedeffectivelyfromtheflammableairTheutilitiesareaislesshazardousTheflammableequipmentshouldbeputinthesafeAtanytime,preventthesolid,liquiddispersionandgasleakagetoprotecttheenvironment.ThehydrocarbonsolidshouldbetransportedtoonshoreincontainersfordisposalandthehydrocarboncontentofdischargedliquidshouldaslittleasstipulatedintheChineselawsandregulations.Theclosespacewithexplosivegasshouldadoptforcedventilationwithexchangeofairattheleastrateof12times/htheintakeoftheairductshouldbeequippedwiththeflammablegasdetectortomonitortheaircondition:whentheflammablegascontentreachesthelowervalue(20%)oftheexplosionlowerlimit,thefirepanelinhecontrolcenterwillalarm;whenreachthehighvalue(50%),thefiredamperwillcloseandthefanstoprunning.Thefiredamperscanbecontrolledbythefirepanelandflammablegasdetectingsystem;Thedesign,fabrication,installationandtestingoftheemergencypowersupplyshouldmeetthestipulationofCCS“Fabricationclassificationstandardforoffshoreplatform” Theemergencygeneratorwillsupplypowerforthefollowingsystemfor8ESDfireandflammablegasdetectingEmergencylightingAlarmingandbroadcastingHelicopterdeckmarkerEmergencyradioNavigationFirefightingpumpUPSwillsupplypowerforthefollowingequipmentforatleast0.5·ESDfireandflammablegasdetecting·Alarmingandbroadcasting·Helicopterdeckmarker·Emergencyradio·Navigation WhenthemainpowersupplyandUPSpowersupplydonotwork,thestandbyDCpowerwillsupplypowerforthenavigationequipmentfor96 Themainescaperoutesandimportantroomsincludingtheemergencyengineroom,batterycellroom,controlcenter,mainswitchroomandairconditionerroomhavelightingwithselfpowersupplyordbyUPSfor0.5hour.UPSandthebatterysystemshouldbeputseparayinsafeareawithA60firewallenclosureandenoughventilation,awayfromthemainpowerThedieselstorageintheactive isenoughfortheemergencygeneratortorun18hourswithfullload.TheemergencypowersupplyshouldbepositionedinthesafetyareawithAfirewallenclosure,isolatedfromthemainpowerandallpotentialfiresource.Oncethemainpowersupplyfails,theemergencypowerwillauto-start. Theemergencyventilationsystemwhichconsistsofalarmingsystem,wirebroadcastingandemergencyradiosystemcanmeettherequirementofrelatedstandardsandregulations. Thealarmwillbeheardbyeverywhereoftheplatformthroughthewirebroadcastingandvisiblelightingalarmisinstalledinhighnoisyarea;Theplatformisequipmentwithinfirmary,PPEandrescueequipment,HazardousareaclassificationApplicablestandard: APIRP500。ClassI——alocationinwhichignitableconcentrationsofflammablegasesvaporsexisitcontinuouslyorperiodicallyundernormaloperatingClass2——alocationinwhichflammablegasesorvaporsmaybepresentunderabnormalconditions.Non-hazardouslocation——alocationnotclassifiedasclass1andclass2GroupB:atmospherescontaininghydrogenandothergases.GroupD：Atmospherecontainingbutane,gasoline,hexane,methane,gas,propaneandmostotherhydrocarbongasesandvaporsencounteredinoilandgasproduction. EscapeTherigontheupperdeckoftheplatformcanbeconsideredaslargeequipment.Thehugerigitselfcanbedividedintothreelayersandwhentheurgencyorotherincidentshappen,thecrewshouldescapethroughtheescaperouteswhichareconnectedtotheescaperoutesontheupperdeckoftheplatform.Oncetheplatformmanagergivesthecommand,the nelshouldgathertothepointofassemblyquicklyandsafety.SeethedrawingsforescaperouteFixedFM200fireextinguishingtheapplicationhistoryofHFC-ea227inSinceitwasfoundthatchlorinefluorinehydrocarbonincludingthehalonextinguishingagentwoulddeterioratethelivingenvironmentbydamagingtheozonosphere,thecountriesconcludedtheMontrealAgreementanddevelopedmanysubstituentstotakeplaceHalonextinguishingagent.Inconsiderationoftheperformancerequirementstothesubstituent,HFC-227eaextinguishingagentshouldbepromotedwidelyforusefromtheeconomyview.HFC-227ea(chemicalnameHFC-227eaandmolecularformulaCH3CHFCF3)issuchkindofgas/vaporwhichcanbeliquefiedbylowpressureforstorage.Thisdesignisfullfloodingtype,whichismainlychemicalextinguishingtypebutwiththeadvantageofgasextinguishers.Thankstoitssafety,thissystemcanbeusedforprotectiontheareascrowdedwithworkers.theextinguishingtheoryofHFC-Higheffectiveness:applyingthe8.3%designedconcentration,itiseffectivetostampouttheelectricalfirecausedbyBandCfireagents.Pollutionfree:itcanbeliquefiedwithlowpressureforstorage;thisdischargedagenthasthecharacteristicsofnon-blobs,notrace,leucoandsmelllessandhasnodamagetotheozonosphere.non-conducting：Withthecharacteristicsofgoodinsulationandcorrosiveblobbingtotheelectricalandelectronicequipment,itissuitabletowetdowntheelectricalfire.Smallstoragespace:withthecharacteristicsofhighcriticaltemperature,lowcriticalpressure,itcanbeliquefiedforstorageunderthemoderatetemperature.Itsprimingdensityissimilartothatofalkylhalide1301,requiringsmallerstorageroom.Lowworkpressureofthepipework:thestoragepressure(2.5MPaor4.2MPa)increasesataratelowerthanthatofalkylhalide1301inthehighesttemperature,thuslessrequirementsforthepipenetworkpressureneedtobemet,whichismoreFM200fireextinguishingsystemcompositionandlayoutontherigTheFM200fireextinguishingsystemisusedforprotecttheengineroom;ThetotaltyofFM200agentispreparedwith100%spares:10bottlesengineroom(5bottlesforuseand5forFM200fireextinguishingsystemconsistsofthreeparts:fireextinguishingcontrolsystem,fireextinguishingsystemandfirealarmsystem,i.e.,firepanel,manualdischargingstation,FM200bottles/cylinders,FM200dischargingmanifold,pipenetworkandnozzles,reliefpressureswitchandaudibleandvisualalarmintheprotectedarea.FM200fireextinguishingsystemoperatingWhenthereisfireintheprotectedarea,thesmokeorheatwillbedetectedbythefiredetectorsetintheprotectedareaandthefirepanelwillsendafiresignal.Afterthefireinconfirmedonthatspot,startthemanualdischargingstationandoperateinthefollowingproceduresthroughthealarmingandfirecontrolsystems:startthelinageequipment(forexample:shutdownthepower,stoptheventilationandclosethewindowanddoor)andme ,theaudibleandvisiblealarmsendthesignaloffire.Afterthetimedelayof0～30siscompleted,opentheelectromagnetstarter,FM200headvalve,areareliefvalve,dischargingtheFM200gasinthecylinderstheprotectionareathroughtheheadhose,dischargingmanifold,pipelinesandThedischargeofFM200gaswillbecompletedmanually.Ifthecontrolpanelfailstowork,pressdownmanuallythehandleontheFM200headvalvetoputoutthefire.Seethedetaildescriptioninthevendordata.Designed4.2EachCylinder120umFillingDesigned4.2EachCylinder120umFilling786.96Cylinders10（5foruse5 457.18 6 Startcylinder2 DistributionPressureswitchofthepipenetworkProtection/explosionproofIP56/ExdIIVoltage,Set1DCExplosion-proofExdIIJointElectricFanCirculating BSGQ-DetectorsandEXheatsEXsmokeEXemergency OperationElectricorair-drivenremoteManualstartforOutline5000×3500×2600WorkproceduresandcontrolmodeofFM200fireextinguishingsystemPL19-3DCWRprojectapplytheHFC-ea227fireextinguishingsystemprovidedbyShanghaiJindunFireSecurity.toprotecttheengineroom.Thecontrolmodesofthissystemwithsparecylindersincludeautomaticoperation,manuallyoperationandmechanismemergencyoperation.AutomaticTwoindependentcircuitsofsmokedetectingandheatdetectingaresetintheprotectedarea.Whenthefirstdetectorsendsthefiresignaltoalarmandindicatethefirelocation,warningthe nel;whenthesenddetectoralsosendthefiresignal,theautofireextinguishingcontrollerwillopenthesolenoidvalveontheNitrogenlineandthedelayoftime(0-30sadjustable)willbegin.Meanwhile,theevaluatingsignalwassentouttoclosethelinkageequipment.Afterthedelayoftimeiscompleted,extinguishingorderissentouttothedrivingcylindersolenoidtoopenthecontainervalve.ThenitrogengaswillopenthedistributionvalveandHFC-ea227cylindertoputoutthefire.Me,alarmcontrollerreceivesthefeedbacksignalfromthepressuresignalsenderandthedischargeindicatinglampwillshine.ManualAfterthe ondutyconfirmsthefire,pressdowntheemergencystartbuttononautoextinguishingcontrolleroronthemanualcontrolpanelandtheautofireextinguishingcontrollerwillopenthesolenoidvalveontheNitrogenlineandthedelayoftime(0-30sadjustable)willbegin.Meanwhile,theevaluatingsignalwassentouttoclosethelinkageequipment.Afterthedelayoftimeiscompleted,extinguishingorderissentouttothedrivingcylindersolenoidtoopenthecontainervalve.ThenitrogengaswillopenthedistributionvalveandHFC-ea227cylindertoputoutthefire.Me ,alarmcontrollerreceivesthefeedbacksignalfromthepressuresignalsenderandthedischargeindicatinglampwillshine.ManualMechanismEmergencyWhenthefireoccursintheprotectedareaandthepowersupplyfailsorthecontrolsystemanddetectingsystemsdonotworkwell,openthedistribution/selectorvalveintheHFC-ea227cylinderroom,pulltheringofthegasstarterontheheadvalveandpressthemanualbuttonstoopenthecylinders.TheHFC-ea227agentwillbedischargedtoputdownthefire.SparecylinderDuringchargingthemaincylinders,turntheM-Rchange-overswitchtothe“”position,thesparecylinderscanbeusedtoextinguishthefirebyautooperation,manualoperationandmechanismemergencycontrolastheabovementionedprocedures.Secondextinguishing:thesecondextinguishingoperationisrequiredwhenthefirstoneisnoteffectiveandonlyneedopenthe cylinderstodischargetheEmergencystopWhenthefireoccursbutthefireextinguishingsystemisfoundunnecessaryinthedelaytime,pressdowntheemergencystopbuttonontheautocontrollerorthemanualcontrolpanel.Theextinguishingorderwillbeholdbackandtheextinguishingprocesswillstop.FM200(1)protectionarea：EngineroomFM200usage： 457.18kg 120L×5cylindersRemainsofeachcylinder:3Thetyofthecylindersintheprotectionareaistheoneforusewiththe100%sparesmaintained.Seethedetaildivisionoftheareaandcylindersinthedrawing:PIANDINSTRUMENTDIAGRAMFORGASEOUSEXTINGUISHINGSYSTEM。FM200FireextinguishingsystemoperationandThedailyinspectionandmaintenanceisimportantforthesystemtokeepagoodconditioninworkingandatstandby.ThetrainedinspectorshouldperformdailythoroughlyvisualChecktheMethod1:inspectthecylinderspressureperiodicallyandiftheHFC-ea227agentpressureisfoundlowerthan3.6MPa,re-checkbysealingthecylinderorchangenewone.Method2:weigheachFM200cylinderandifthelossofweightismorethan5%,investigatetheleakagecauseandchangenewoneorreplenish.Me,inspectthenitrogengaspressureofthestartcylindersperiodicallyandifthepressureisfoundlowerthan5.5MPa,re-checkbysealingthecylinderorchangenewone.Flushthepipelinesnozzlesectionbysectionwithcompressedairornitrogenonceatleasteverythreeyears.2)thesystemmustbekeptingoodworkstateandthemaintenanceworkersaretrainedoneswhowillshootthetroublesimmediaywhensomethingiswrongtothesystemandmakedetailrecords.afterthesystemisused(theHFC-ea227agenthasdischarged),theoverhaulshouldbeperformedbythemanufacturerorthequalifiedfireequipmentfabricatoror（3sincetheresolventoftheHFC-ea227agentinhightemperaturedoharmthehealth,the nelshouldevaluatefromtheprotectedareaafterthefiresignalissentout.Whenthefireisputout,starttheventilationfansfirstly.AftertheremainedHFC-227eaisexhausted,the nelcanentertheprotectedarea.Thusthecustomerisadvisedtoestablishemergencyrescuesystemandgivenecessarytrainingtothe nelwithpossibleentrancetotheprotectedarea.（4）Regardingtotheelectricalsystemmaintenance,pleaserefertothePortablefireHandCO2fireGeneralCO2extinguisher,theonewithpressedgas,isdischargedbythe pressureofthelquiefiedCO2gas,usedforeliminatingthefireinsmallarea.Whenthevalveisopen,theliquidCO2risesalongthesiphonpipetothenozzleandturngas,withexpanded500timesvolume.Theexpansionintakesmuchheatandthetemperaturedeclinerapidly.Whenthetemperaturedeclinesto-78.5℃,someCO2condensatestobesolidlikesnowflowerwhichcanreducethetemperatureoftheburned,isolatetheburningfromtheairanddecreasetheOxygencontentinair.Inthisway,thefireisputout.TheCO2extinguisheristostiflethefireandhavelittleeffecttothecombustible.Whentheflamesdied,continuetodischargetheCO2untiltheoxygencontentoftheairdeclinesto6%.Manyexperiencesindicate:whentheoxygencontentoftheairinthefireareaislower12%andCO2concentrationreachesto30%,mostfirewilldie.ThehandCO2extinguishersaremainlydistributedontheelectricalrooms,readyforextinguishingtheCclassfires. CO2extinguishermaintenanceExtinguishingagent: Extinguishinggrade: 80-Borequivalence 5kgorso ≥2 ≥9Applicable -20toOperationhandlingtheextinguisher,hurrytothefirespotandputtheextinguisherdownatthedistanceof5mfromthefirecenter;Holdthehandleontheendofthespraynozzlewithonehandandmakethenozzleagainsttheflame;PulloutthesafetyHoldthestarthandlewiththeotherHoldthestarthandleandstarttheIfthefireisoutside,standinthesamedirectionwiththeIfthefireisinnarrowroom,theoperatorshouldescapeimmediayafterextinguishingoperation;ThesafetysupervisorinspectsthefireareaafterMakekeepstandstraightinthespraywithoutprotectivegloves,donotholdthespraynozzleormetalpipewithhanddirectly,avoidingfrostbite.afterfireeliminationinside,letairexchange ytoprevent CO2extinguisherputinventing,dryandconvenientDonotputnearheatequipmentorplacewithgoodsunshine,avoidingdeteriorationandineffectiveness.Inspectthepressuregaugeperiodically.Ifthefigurelocatesintheredarea,replenishthegasimmediay.Beforethesupplement,performhydropressuretestwiththepressureof1.5timedesignedone.Ifthetestispassed,itcanbeused.i.PortabledrychemicalThedrychemicalextinguisherisappliedtoputoutthefireonpetroleumanditsproduction,flammablegas,flammableliquidandelectricalequipment.Thepotabledrychemicalextinguishershouldbeputintheventilationanddryplace,avoidingsunshineandradiationtopreventthedrychemical