七氟丙烷(HFC-227ea)灭火系统设计说明-中英文对照

1、一 .设计范围 SCOPEOFWORK本工程共有一个防护区，采用了一套分配系统予以保护.ThereisONEzoneprotectedwithinstallationofonesetofequipment.二 .设计条件 DESIGNCRITERIA:1 .保护区的有关参数：见附表.Designdata:perscheduleattached.2 .采用一套分配系统进行保护.Onesetofequipmentistobeprovided.3 .保护区为独立封闭区间.Protectedareaistotallyenclosed.4 .保护区平时环境温度与自然环境温度相同.Environmenta

2、lconditionoftheprotectedareaissameassurroundingarea.5 .保护区均设置通风设备.Ventilationsystemisprovidedinprotectedarea.6 .HFC-227ea 灭火系统瓶站设置在保护区内.FM200containerislocatedwithinprotectedarea.7 .瓶组间的楼板应能承载储瓶组的重量.FloorstructuraldesignshallbecapabletowithstandtheweightoftheFM200containerequipment.三.设计 DESIGN1.设计依据

3、 DESIGNCOMPLIANCE1）TocomplytoGB50307-2005气体灭火系统设计规范Regulationforfirefightinggassystemdesign;2）TocomplytoGB50263-97气体灭火系统施工及验收规范Regulationforfirefightinggassysteminstallationandinspection/acceptance;2 .灭火方式 FIREEXTINGUISHINGMETHO 康设计采用全淹没式灭火系统,在规定的时间内，喷射一定浓度的七氟丙烷灭火剂，并使其均匀地充满整个保护区，此时能将在其区域里任一部位发生的火灾扑灭

4、.Fireextinguishingisbytotalfloodingmethod.Withinspecifiedtimelimit,FM200gasshallbedischargedtotheconcentrationasdesignedfortotalfloodingandabletoextinguishthefireinanylocationwithintheprotectedarea.3 .灭火系统的控制方式为自动、电气手动、机械手动三种.在有人工作或值班时,采用电气手动控制；在无人的情况下，采用自动方式.自动、手动控制方式的转换，在灭火控制盘上实现（在保护区的门外设置手动控制盒，手动

5、控制盒内设有紧急停止与紧急启动按钮.）Thefireextinguishingsystemshallbeableforautomaticcontrol,electriccontrolandmechaniccontrol.Manualelectriccontrolshallbeadoptedwithattendant;automaticcontrolshallbeadoptedwhenwithoutattendant;changeoverofautomaticandmanualelectriccontrolcouldbesetonthecontrolpanelinstalledatoutside

6、oftheprotectedarea.Emergencystopbuttonshallbeprovidedonthemanualcontrolpanel.4 .保护区的要求 Requirementinsideprotectedarea:1）保护区为独立区域Protectedareashallbeisolated.2）保护区的耐火极限0.5h,耐压强度1200Pa-Fireratingoftheprotectedareashallbe0.5hour,mechanicalstrengthshallbe1200Pa.3）保护区的通风系统在喷放七氟丙烷灭火剂前应关闭，并设置防火阀门Allventila

7、tionsystemshallbestoppedwithdamperclosedbeforeFM200gasisdischarged.4）保护区的门应采用装有自动闭门器的防火门，保证在任何情况下均能从保护区内打开.Doorofprotectedareashallbeself-closingandfireratedandabletobeopenedtooutsideatanycondition.5）在保护区外设置声光报警及释放信号标志.Soundandlightalarmandgasdischargesignalshallbeinstalledatdooroutsideofprotectedar

8、ea.6）为保证人员的安全撤离，在释放灭火剂前，应发出火灾报警，火灾报警至释放灭火剂的延时时间为 30 秒.Fireaudioandvisualalarmshallberaised30secondbeforegasemissiontoensurepeopleinsidecouldevacuatesafely.7）为保证灭火的可靠性，在灭火系统释放灭火剂之前，应保证必要的联动操作.即灭火系统在发出灭火指令时,由控制系统发出联动指令，切断电源、关闭或停止一切影响灭火效果的设备.Toensurethereliabilityofthesystem,beforegasemission,allinterc

9、onnectingoperationshallbeclosedandstoptheequipmentwhichwouldaffectthegasextinguishing.8）保护区内设有排风设备，灭火剂喷放后，人手启动将废气排尽，人员方可进入进行检修.Gasextractionequipmentshallbeprovided.BeforepeopleenteringtheprotectedareaafterreleaseoftheFM200gas,manualoperationshallbeabletoextractallfoulairinside.9)灭火系统的使用环境温度为 0C50C.

10、Operationconditionofthegasextinguishingsystemshallbe00cto50oC.10)设计计算结果：见附表 Designcalculationisasattached.四.安装 INSTALLATION1 .安装分为(HFC-227e灭火系统瓶组和喷嘴管路系统，根据设计图及现场情况进行.Installationinclude(HFC-227egascontainerandemissionnozzleandpipeworkasdepictedondesigndrawingandsitecondition.2 .灭火系统瓶组设置框架，保证设计尺寸，固定牢

11、固，操作观察方便，外形美观.Gascontainerframedimensionsandappearanceshallbeeasyforoperationandcheckingandsecurelyfixed.3 .管材采用无缝钢管，法兰连接，应符合 GB8163输送流体用无缝钢管的规定.Allpipeworkshallbeseamlesstype,flangedjointtoGB8163(regulationforfluiddeliverytube,seamlesstype).4 .分布管系的水平定向敷设坡度，取顺向 1-3/1000.Pipeworkinstallationgradient

12、shallbe1 八 3/1000.5 .未说明之处需严格按照 GB50263-97气体灭火系统施工及验收规范进行施工.UnspecifiedworkshallcomplytoGB50263-976 .施工中，管网的走向不得擅自改动，如必须改动，请与设计部门联系.Pipeworkinstallationshallstrictlyfollowthedesign,anychangerequiredshallbereportedtothedesigner.五.标志在保护区附近，应设置警告牌，警告牌上包括以下的内容：在报警时或释放七氟丙烷灭火剂时,应立即撤离该地区,在彻底通风前，请不要进入该地区.In

13、protectedarea,signboardshallbeinstalledtostate“whenalarmforemissionofFM200gasisraised,peopleshallevacuatefromtheareaimmediately”六.使用事项 OPERATIONCONDITION1.本工程的灭火系统启动操作方式分为自动、手动、机械应急三种.Gasextinguishingsystemoperationincludeautomatic,manualandmechanicalforemergency.1)自动：即自动探测报警，发出火警信号.自动启动灭火系统进行灭火.Aut

14、omatic:Byautomaticdetectionoffire,releaseoffirealarm,extinguishthefireautomatically.2)手动：即自动探测报警，发出火警信号.经人工电气手动启动灭火系统执行灭火， 上述自动工况的电气手动工况的转换在灭火控制盘上实现，不论灭火控制按钮处于哪一种工况，当人为发出火警时都可以使用该火警区的手动控制盒，电气手动启动灭火系统进行灭火，手动控制盒的另一项功能是它可以在灭火系统动作前，撤消灭火控制盘发出的本区域的指令， 以防止不需由灭火系统进行灭火时启动灭火系统.Manual:Byautomaticdetectionoffir

15、e,manualoperatethegasreleasemechanismforfirefighting.Undersuchcondition,irrespectivetothemodeofthepushbutton,thegasreleasecontrolcouldbemanuallyoperated.AnotherfunctionoftheManualoperationistoabortthecontrolinstructionlocallybeforereleaseofgastoprohibitunnecessaryfirefightingoperation.3)机械应急 Mechani

16、calemergencyoperationa.一只探测报警，发出火警信号，但电气控制部分出现故障，不能执行灭火指令的情况下；Whenfirealarmisdetectedbyonedetector,firealarmisraised,butthecontrolismal-functioned;b.发现火警，由于电源发生故障或者自动探测报警系统失灵，不能执行灭火指令的情况下；Whenfireoccurs,powersupplyofthedetectionsystemisinoperativeorthedetectionismal-functioned:c.机械手动应急启动可以在钢瓶间或在区外进行

17、，首先拔去所需灭火区域的启动装置电磁阀上的保险，按下应急手柄，使灭火系统工作，执行灭火功能，这务必在提前关闭影响灭火效果的设备，通知并确认人员已经撤离后方可实施.Mechanicalmanualoperationcouldbeexecutedatthelocalcontrolpanelofthecontaineroratoutsideoftheprotectedarea.Firstly,removetheprotectedcoverofthereleasevalveandpressdownthecontrolhandleforgasemission.Anyequipmentaffectingt

18、hefirefightingprocessshallbestoppedandnotifypeopleinsideprotectedareatoevacuatebeforepressdownforgasrelease.2 .无论什么情况下达指令，自指令下达后延时 30 秒左右启动灭火系统，以保证人员在规定的时间内从灭火区域撤离，自动灭火系统释放七氟丙烷灭火剂时包括释放后相当长的时间内，绝对不允许有人停留在灭火区域内.Underanycondition,instructionforreleaseofgasshallbedelayedby30secondstoensurepeopleinsidepr

19、otectedareaareevacuatedbeforegasreleases.Afterreleaseofgasforacertaintime,peoplearestrictlyprohibitedtostayinsideprotectedarea.3 .灭火系统动作释放七氟丙烷灭火剂后，经检验确认火灾已经扑灭的情况下，打开通风系统，向灭火作用区送入新鲜的空气，废气排除干净后才允许人员进入.WhenFM200gasisreleasedandfireinsideprotectedareaisextinguished,gasextractionsystemshallbeswitchedonan

20、densurefoulairisremovedbeforeallowingpeopletoentertheroom.4 .灭火系统应有专人负责，经常进行检查和维护、保养，保持良好的工作状况.检查方法与要求可根据供货商提供的使用说明书进行.Gasextinguishingsystemshallbeperiodicallyexaminedandmaintainedtooperationalcondition,detailofserviceandmaintenanceshallbeasrecommendedbyvendor.5 .灭火系统的七氟丙烷灭火剂储瓶和启动装置充装介质不允许发生泄漏，当七氟丙

21、烷灭火剂重量下降 5 啕动装置的压力指示下降 10%!应及时充装和更新，恢复正常工作状况.Leakageofgascontainerandreleasemechanismisnotallowed.Whentheweightofgasincontainerisreducedby5%andthepressureofthereleasemechanismisreducedby10%,thesaidcontainerandmechanismshallbereplacedwithnewoneandsettonormaloperationcondition.6 .建议在防护区外配置空气呼吸器或氧气呼吸器.

22、Airinhaleroroxygenmasksarerecommendedtobeprovidedatoutsideofprotectedarea.七.验收 Inspectionforacceptance.1.本灭火系统按设计图安装完毕后，经检验合格，可提交验收.Wheninstallationiscompletedasdesignedandinspectedasqualified,theworkcouldbeaccepted.2 .验收试验合格后，经消防主管部门以及使用单位认可，即交付投入使用.Afterqualifiedtestandapprovedbyfireauthority,oper

23、ationcouldbeeffected.八.七氟丙烷自动灭火系统动作程序如附图FM200operationsequenceshallbeasattacheddrawing.九，设备选型：报警主机选用联动型气体灭火控制器；探测器选用智能光电型、智能差定温型.Equipmentselection:alarmmainpanelshallbeinterconnectedwithgasextinguishercontrolpanel,detectorshallbeintelligenttypewhichcandistinguishtemperatureofdetection.十，设备及探测器布置：报警

24、控制器设于室外墙壁上距地 1.5米高； 电源由甲方提供专用消防电源接口 220vac,防护区内设两路烟感探测器并使每路探测器均能单独覆盖整个保护区.保护区门头上内设警铃.外设置声光警报器；保护区门头上外设喷洒指示灯及门边设紧急启停按钮.Locationofequipmentanddetector:alarmcontrolpanelshallbeinstalledonwallatoutsideoftheprotectedareaabovefloorlevel1.5m;220vacpowersupplyshallbeprovidedbyemployer.3 detectioncircuitssha

25、llbeprovidedinsideprotectedarea,eachdetectorcircuitshallbeabletocoverthewholeoftheprotectedarea.Alarmbellshallbeprovidedabovedoorheadoftheprotectedarea.Outsidedoor,soundandvisualalarmshallbeinstalled.Gasreleaseindicatorlightshallbeinstalledontopofdoorheadinsideprotectedarea.Emergencystopbuttonshallb

26、eprovidedadjacenttothedoorside.气体灭火系统启动前，联动切除非消防电源切除、空调电源.Beforegasreleases,interconnectionshalldisconnectallpowersupplyincludingairconditioning,exceptforfirefightingequipment.十一，设备安装高度：紧急启停按钮距地 1.5m;报警控制器、电源箱底边距地1.5m;声光警报器、喷洒指示灯的安装位置根据现场情况在定.Equipmentmountingheight:emergencystopbuttonat1.5maboveflo

27、or,electricalpanelbottomat1.5mabovefloor;sound/lightalarm,emissionindicatorlightlocationtobedecidedonsite.十二，报警系统的接地端子应采用专用接地线直接与楼房接地装置相连接.Earthconnectionofthealarmsystemshallbeterminateddirectlytotheearthterminalofthebuilding.十三，报警系统的供电应用专线，采用单相三线制,6 平方毫米铜芯线引自楼房消防电源，控制室内设配电箱，用 4 平方毫米铜芯线接入报警设备电源接线端子

28、，不得经过插座.Exclusivelyusedpowersupplywiringforthealarmsystemshallbesinglephase3wire,6mm2copper,derivedfromfireservicepowersupplysystem,socketconnectionisnotallowed.连接线路电线须为耐火型电缆或是安装在钢管/铁梢内护套线.Wiringshallbefireretardingtypeanddrawninsteelconduitorsteeltrunking.十四.INTEGRITYTEST 完全测试侍服器机房需按设计要求建造.四面墙璧，地板，天花板，门及门框全部用两小时耐火材料建造.所用材料，门及门框构造需有相关检证.建造完成，须有严紧测试.在机房外排烟风管，予留界面，用临时风机风管加压 24 小时，同时在 VESDA 测管安装 3 通阀连接临时压力表，如压降轻微，方可接受.测试完成后，接口需用两小时耐火材料封闭，包括饰面.Serverroom/UPSroomshallbeconstructedwith2hoursfireratedmaterialforallwalls,floor,ceiling,doorandframewithcertificat