3.1.1閉式自動噴水滅火系統認知CognitionofClosed-typeAutomaticSprinklerSystem自動噴水滅火系統概述OverviewofAutomaticSprinklerSystem定義Definition火災發生時，能自動打開噴頭噴水滅火并同時發出火警信號的消防滅火設施。Itreferstoafireextinguishingfacilitythatcanautomaticallyopenthenozzlestospraywaterandsendoutfirealarmsignalsmeanwhilewhenafireoccurs.自動噴水滅火系統概述OverviewofAutomaticSprinklerSystem據資料統計，自動噴水滅火系統撲滅初期火災的效率在97%以上Accordingtostatistics,theefficiencyoftheautomaticsprinklersysteminextinguishingincipientfireisabove97%設置場所：人員密集不易疏散，外部增援滅火與救生較困難或火災危險性較大的場所Settingplace:denselypopulatedplaceswhereconductingexternalhelptoputoutfiresandsavinglivesismoredifficult,orplaceswithahighriskoffire安全可靠Safeandreliable經濟實用Economicalandpractical滅火效率高Highfireextinguishingefficiency特點Features自動噴水滅火系統的分類Classificationofautomaticsprinklersystems按噴頭的開啟形式Accordingtotheopeningformofnozzles閉式系統Closedsystem濕式自動噴水滅火系統Wetautomaticsprinklersystems干式自動噴水滅火系統Automaticdrypipesprinklersystem干濕式自動噴水滅火系統Automaticdry-wetsprinklersystem預作用自動噴水滅火系統Pre-actionautomaticsprinklersystem重復啟閉預作用滅火系統Recyclingpre-actionfireextinguishingsystem開式系統Opensystem雨淋系統Delugesprinklersystem水幕系統Drenchersprinklersystem水噴霧Waterspray一、濕式自動噴水滅火系統AutomaticWetSprinklerSystem1.工作原理Workingprinciple火災發生時，火點溫度達到開啟閉式噴頭，閉式噴頭破裂，水由噴頭噴出，管道中的水流使濕式報警閥開啟，濕式報警閥發出聲音報警信號，同時輸出電報警信號，啟動消防水泵，消防水泵給系統提供壓力，進行滅火。Whenafireoccurs,thetemperatureofthefirespot,reachingacertainvalue,enablestheclosednozzletoopen.Thenozzlebreaksandwaterissprinkledfromit.Thewaterflowinthepipesopensthewetalarmvalve,whichsendsoutanaudiblealarmsignalandanelectricalarmsignaltostartthefirepumpatthesametime.Thefirepumpprovidespressuretothesystemtoputoutthefire.水箱Watertank濕式自動噴水滅火系統演示示意圖Schematicdiagramofanautomaticwetsprinklersystem主泵Primarypump備用泵Standbypump信號閘閥Signalgatevalve壓力表Pressuremeter延遲器Delayer水力警鈴Watermotoralarm壓力開關Pressureswitch水流指示器Waterflowindicator信號閘閥Signalgatevalve末端試水裝置Endwatertestdevice水泵電控柜Waterpumpelectricalcontrolcabinet濕式報警閥Wetalarmvalve消防水池Firepool消防控制室聯動控制柜Linkagecontrolcabinetinfirecontrolcenter一、濕式自動噴水滅火系統AutomaticWetSprinklerSystem室內發生火情Indoorfire噴頭動作噴水Nozzlesoperatetospraywater水流指示器動作Waterflowindicatoroperates濕式報警閥動作Wetalarmvalveoperates壓力開關報警Pressureswitchalarms值班室(服務臺)Dutyroom(servicecounter)末端試驗裝置Endtestdevice水力警鈴報警Watermotoralarmoperates消防控制室Firecontrolcenter啟動水泵Startthepump報告與傳遞指令Reportandtransmitinstructions濕式自動噴水滅火系統原理流程圖PrincipleFlowchartofAutomaticWetSprinklerSystem一、濕式自動噴水滅火系統AutomaticWetSprinklerSystem2.特點Features優點：滅火及時撲救效率高。Advantages:timelyfireextinguishingandhighefficiency.缺點：由于管網中充有有壓水，當滲漏時會損毀建筑裝飾和影響建筑的使用。Disadvantages:

asthepipenetworkisfilledwithpressurizedwater,ifthereisaleakage,buildingdecorationwillbedamagedandtheuseofbuildingswillbeaffected.適用場所：該系統只適用于環境溫度4℃≤t≤70℃的建筑物。Applicationplace:thesystemisonlyapplicabletobuildingswithanambienttemperatureof4°C≤t≤70°C.二、干式自動噴水滅火系統AutomaticDryPipeSprinklerSystem噴頭常閉的滅火系統，管網中平時不充水，充有有壓空氣（或氮氣）。當建筑物發生火災火點溫度達到開啟閉式噴頭時，噴頭開啟排氣、充水滅火。Itisafire-extinguishingsystemwiththenozzleclosedusually.Usually,thepipenetworkisnotfilledwithwaterbutpressurizedair(ornitrogen).Incaseofafireoccurringinbuildings,whenthetemperatureofthefirespotreachesaspecifiedvaluethatmakestheclosednozzleopen,thenozzlewillstartventingandfillingwatertoputoutthefire.1.原理Principle水箱Watertank干式自動噴水滅火系統演示示意圖Schematicdiagramofanautomaticdrypipesprinklersystem主泵Primarypump備用泵Standbypump信號閘閥Signalgatevalve水力警鈴Watermotoralarm壓力開關Pressureswitch水流指示器Waterflowindicator末端試水裝置Endwatertestdevice電控柜Electricalcontrolcabinet干式報警閥Dryalarmvalve消防水池Firepool消防控制室聯動控制柜Linkagecontrolcabinetinfirecontrolcenter自動排氣閥Automaticexhaustvalve二、干式自動噴水滅火系統AutomaticDryPipeSprinklerSystem室內發生火情Indoorfire噴頭或排氣閥開啟放氣Openthenozzleorexhaustvalveforventing干式報警閥開啟Dryalarmvalveopen壓力開關動作Pressureswitchoperates干式自動噴水滅火系統原理流程圖PrincipleFlowchartofAutomaticDryPipeSprinklerSystem水力警鈴報警Watermotoralarmoperates水流指示Waterflow器動作indicatoroperates水流進入噴水管網Waterflowsintothespraypipenetwork噴頭噴水滅火Nozzlesoperatetospraywaterandputoutfires消防中心控制室Controlroomoffirecontrolcenter高位水箱Highleveltank氣壓罐供水Airpressuretankwatersupply水泵開啟Waterpumpon二、干式自動噴水滅火系統AutomaticDryPipeSprinklerSystem2.特點Features適用場所：環境溫度低于4℃或高于70℃的場所。Applicationplace:placeswheretheambienttemperatureislowerthan4°Corhigherthan70°C.對建筑物裝飾無影響，對環境溫度也無要求；Thereisnoinfluenceonbuildingdecorationandnorequirementfortheambienttemperature;適用于采暖期長而建筑內無采暖的場所。Itissuitableforplaceswithlongheatingperiodsbutwithoutheatingwithinthebuilding.優點Advantages管理比較復雜，投資較大；滅火效率低；Complicatedmanagement;largeinvestment;lowfireextinguishingefficiency;管網、噴頭安裝要求嚴格Strictinstallationrequirementsforpipenetworkandnozzles缺點Disadvantages三、預作用自動噴水滅火系統Pre-actionautomaticsprinklersystem預作用自動噴水滅火系統原理Principlesofpre-actionautomaticsprinklersystem平時管道不充水，準工作狀態時，管網中通常充有壓縮空氣。Usually,thepipesoftheautomaticpre-actionsprinklersystemarenotfilledwithwater.Thepipenetworkisusuallyfilledwithcompressedairwhenthesystemisreadytowork.三、

預作用自動噴水滅火系統Pre-actionautomaticsprinklersystem預作用自動噴水滅火系統原理Principlesofpre-actionautomaticsprinklersystem1當火災發生火災時，由感煙、感溫火災探測器報警后，通過報警聯動控制器自動聯動控制系統電磁閥門排氣、充水，由干式變為濕式系統。Incaseofafire,afterthesmokeandheatfiredetectorsgiveanalarm,thesystemwillbeautomaticallylinkedbythealarmlinkagecontrollertocontroltheventingandwaterfillingofthesolenoidvalve,andthesystemwillchangefromdrytypetowettype.2當閉式噴頭的熱敏元件受熱達到或超過額定動作溫度時，熱敏元件動作（熔化、破碎），閉式噴頭開啟，噴水滅火。Whenthethermosensitiveelementoftheclosednozzleisheatedtoorabovetheratedoperatingtemperature,thethermosensitiveelementwillact(meltandbreak)andtheclosednozzlewillbeopenedtosprinklewaterforextinguishingthefire.預作用噴水滅火系統工作原理示意圖SchematicDiagramofWorkingPrincipleofPre-actionSprinklerSystem水箱Watertank主泵Primarypump備用泵Standbypump信號閘閥Signalgatevalve壓力表Pressuremeter水力警鈴Watermotoralarm水流指示器Waterflowindicator信號閘閥Signalgatevalve報警閥Alarmvalve消防水池Firepool排氣閥Exhaustvalve樓層顯示器Floorindicator火災報警鈴Firealarmbell火災報警控制器Firealarmcontroller當頂層溫度達到玻璃泡的動作溫度時，噴頭玻璃泡就會破裂。Thenozzleglassbulbcollapseswhenthetoplayertemperaturereaches