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1、TypeandBasicParameter.2.1电气柜型号ElectricalCabinetTypeBXPK-1设计序号DesignNo.电气柜ElectricalCabinet防爆型Explosion-proofType2.2基本参数BasicParameter源：powersupplyAC380V.AC220V50HzIP54ExpxdibmIIBTl干净、平安空气cleanandsafeair0.40.6MPa70Pa-400Pa150Pa70Pa防护等级：protectionclass防爆标记：explosion-proofsymbol气源种类：sourcegastype气源压力：s
2、ourcegaspressure运行正压：positivepressureforrunning低3报警：low-voltagewarning低JK断电：low-voltageoutage3、结构及原理StructureandPrinciple电气柜主体由正压电气电气框、正压气路系统、隔爆型电气箱等几部分组成。Principlepartsofelectriccabinetconsistofpositivepressureelectriccabinet,positivepressuregassupplysystem,andexplosion-proofelectriccabinet.正压电气电气柜
3、外壳是由冷轧薄钢板经折边、拼焊而成的气密外壳.由了它能保持内部爱护气体的压力高于四周爆炸性气体环境的压力,从而能有效的阻挡外部的爆炸性气体混合物进入外壳内部。Positivepressureelectriccabinetenclosureismadeofcoldrolledsheetsteelwhichisfoldandweld;anditisahermeticpackage.Itcankeepthepressureofinternalprotectiongashigherthanthepressureofsurroundingexplosivegas,thusitcaneffectively
4、stopexternalexplosivegasmixturefromenteringinsideofenclosure.正压气路系统布置在正压电气电气柜的卜方。它可使现场的压缩空气或其它不燃性气体经过减压变成纯净的微压气体进入正压电气电气柜内，经过三特别钟吹扫，清除掉柜内爆炸性气体，并接若保持正压，使正压电气电气柜内部成为平安场所。Positivegassupplysystemisarrangedunderthepositivepressureelectriccabinet.Itcantransformonsitecondensedairorotherincombustiblegasinto
5、puremini-pressuregasthroughreducingthepressureofonsitecondensedairorotherincombustiblegas;after30minuteofpurging,clearawayalltheexplosivegasinthecabinetandcontinuouslymaintainpositivepressure.Therefore,positivepressureelectriccabinetinsideisturnedintoasafetyplace.隔爆型电气箱负班给正压电气电气柜输送电源。当正压电气电气柜经过三特别钟吹
6、扫，且柜体内压力大于70Pa时，向正压电气电气柜供电.Explosion-proofelectriccabinetistosupplypowerforpositivepressureelectriccabinet.Whenthepositivepressureelectricispurgingfor30minutesandthepressureinthecabinetisabove70Pa,theexplosion-proofelectriccabinetcansupplypowerforpositivepressureelectriccabinet.隔爆型电气箱外壁布置若若干个电缆引入装置：
7、分别和电源电缆、输出电缆、和防爆主令限制器用电缆连接。Explosion-proofelectriccabinetsenclosurederatedseveralcableentrydeviceswhichseparatelyconnectfeedcable,outputcableandexplosion-proofmastercontrollerwithcable.在电气柜的（W面设置有若干个螺纹接头通孔，它们分别是：压缩空气或其它不燃性气体入口、正压腔气体出口。在电气柜隔板上设置有若干个螺纹接头通孔,它们分别是：电源电缆入门、输出电缆出口、备用电缆出口。这些螺纹接头是供用户在现场实施电缆钢
8、管布线和气源管道施工时运用。Severalthreadjointthrough-holesaresetupinthesideofelectriccabinet.Theyarerespectivelytheentryofcompressedairorotherincombustiblegasandtheexitofpositivepressurechambergas.Severalthreadjointthrough-holesaresetupintheclapboardofelectriccabinet.Theyarerespectivelytheentryoffeedcableandthee
9、xitofoutputcableandtheexitofsparecable.Thesethreadjointsisusedwhenuserarrangescablesteelpipewiringandconstructsairsourcepipe.在电气柜的正面明显区域有“ExpxdibmIBT4”红色标记。ExpxdibmIlBT4,redsymbolisintheobviousplaceoftherightsideofelectriccabinet.正压电气电气柜内的压力由精密减压阀、节流阀以及进气和排气口联动限制限制.使柜内的压力稳定在70Pa-400Pa之间。ThePressurei
10、npositiveelectriccabinetiscontrolledbygangedcontrollerofprecisionreducingvalve,throttlingvalve,admissionportandexhaustport,whichstabilizethepressurerangefrom70Pato400Pa.4安装场所InstallationSite4.1电气柜在下列环境条件能正常工作：Theproductcanworknormallyinthefollowingsituations:a.海拔高度不超过2000m：Sealevelelevationisnotmore
11、than2000m.b.环境温度：-20C+40tC.Environmenttemperature:-20C+40*Cc.空气相对湿度：最潮湿月份，月平均最l相对湿度不大于90机同时该月份月平均最低温度不高于+25*0；Relativeairhumidity:inthedampestmonth,thehighestmonthlyaveragerelativehumidityisnotmorethan90%.Meantime,inthismonth,thelowestmonthlyaveragetemperatureisnotabove+25C.d.具有HB级T4组爆炸性气体(或液体、蒸汽)的1
12、区环境中：Inthe1areaenvironmentofexplosivegas(orliquid,steam)of11B1.evelT4setandae.具有稍微腐蚀性气体存在的环境：Intheenvironmentofslightcorrosivegasf.无猛烈振动和冲击的地方。Intheplacethathasnoviolentvibrationorimpact.4. 2电气柜应由有资格的安装技术人i按本说明书的安装说明正确安装。Electriccabinetshouldbeproperlyinstalledbyinstallationtechnicalpersonnelaccordi
13、ngtotheinstallationinstruction.4.3 安装前应检查电源电压，及环境条件是否与铭牌上要求一样.Beforeinstallation,pleasecheckifthepowersupplyvoltageandenvironmentnditionfittherequirementsonthenameplate.44电气柜的安装地点应t开潮湿、海水、风、雨、日晒等干脆浸袭的地方，必要时应实行措施。Theinstallationsitesshouldavoidplacesthatareeasytobeattackedbymoist,seawater,wind,rainan
14、dsunshine.Ifnecessary,pleasetakemeasures.5运用平安须知UseSafetyInstruction4.4 运用本电气柜之前，请仔细阅读本说明书。Beforeusingtheproduct,pleasereadoperationintroductioncarefully.4.5 隔爆型电气箱与正压电气电气柜电源采纳电气联锁，只有电气柜经过30分钟吹扫且正压电气电气柜建立正压，主电源通电，才能操作正压电气电气柜。Electricinterlocksareappliedtoexplosion-proofelectriccabinetandpositivepres
15、sureelectriccabinet.Onlyelectriccabinetshasgonethrough30minutesofpurging,positivepressurehascreatedpositivepressureandmainpowersupplyhasbeencharged,thenthepositivepressureelectriccabinetcanbeoperated.4.6 电气柜严禁带电开盖；假如须要打开检查或维护时应事先切断前级电源。Electriccabinetareforbiddentoopenwhenitischarged.Iftheelectricca
16、binetneedcheckormaintain,pleasecutoffthepre-stagepowersupplybeforeopeningit.5.4正压限制系统的气源必需是净化的压缩空气或其它不燃性气体。Thesourcegasofpositivepressurecontrolsystemmustbepurifiedcondensedairorotherincombustiblegas.5. 5电气柜配用的防爆部件损坏应向俏库商联系修理或购买。Iftheexplosion-proofpartsthatelectriccabinetareequippedaredamaged,pleasecontactthedistributort
