巴基斯坦初步设计05运煤部分缺少意见回复f06221c

PakistanPortQasimCoal-firedPower5卷Volume Coal工程咨询（甲级）20320070011质量管理05014Q20020R3L工程设计（甲级）A 环境管理05014E20017R3L工程勘察（甲级）030001-kj 职业健康安全管理05014S20017R3LO一四年七月JULY, APPROVEDBY:Li审核：郜光 阎占 李海REVIEWEDBY:GaoGuangwei YanZhanliangLiHailuCHECKEDBY:DongContentsofdrawingsinthis1 HANDLINGSYSTEM2 3 4运煤系统剖面图(1)SECTIONLAYOUTOFCOALHANDLING5运煤系统剖面图(2)SECTIONLAYOUTOFCOALHANDLING6运煤系统剖面图(3)SECTIONLAYOUTOFCOALHANDLING7 NT(KKS)COALHANDLINGPARTContentsofDesign1GeneralMaindesignDesign2SiteDescriptionofThemeteorologicOriginalinformationofCoal锅炉消耗Coal3Theschemeof3.ScreeningandcrushingConveyingAncillaryDust可行性及其意FeasibilityStudyReportandItsReviewOpinionGB50660-2011GB50660-2011CodeforDesignofFossilFuelPowerDL/T5187.1-2004Technicalcodefordesigningcoalhandlingoffossilfuelpower相关的中国、规范RelatedStandardsandEIAandApprovalofEIAofPortQasimCoal-firedPowerGeneral中国电力建设（以下简称：中国电建）与卡塔尔AMC计划共同投资，市中心直线距离约37公里。PowerConstructionCorporationof(Power)andQInvest(Qatar)ntojointlyinvest,buildandoperatePakistanPortQasimCoal-firedPowerProjectinPortQasim,inKarachi,Pakistan.Theprojectisatotal2×660MWpowerntandshallbecompletedinonephase.Therewillbenoextension.Onesupportingcoaljettywillbebuilt.ThentisinQasimindustrialparkonthesoutheastofKarachiinPakistan.ThepowerntisinthenorthofArabianSeaanditisabout37kmthestraightlinedistancefromKarachi.MaindesignTheCoalHandlingntisdesignedbasedupon2×660MWunitsinthisTheCoalHandlingSystemisdesignedoftwo(2)streams,one(1)operating+one(1)standby.Thetwostreamscanoperatesimultaneouslyifnecessary.TheCoalHandlingSystemshouldbeoperatednormallyforthreeshiftsperdaytomeetthedailycoalrequirementofthetwo(2)units.Allcomponentsofcoalhandlingsystemfacilitycomplexshouldbedesignedforcontinuousdutyof24hourperday.Design运煤系统设计包括从T2转运站至锅炉原煤仓的整个运煤系统，包括、航院设计。电厂与码头设计接口为T2转运站内带式输送机头部漏斗下口。ThedesignscopeofcoalhandlingsystemisfromT2transferhousetothecoalbunkersoftheboilers,includingstoragefacilities,screeningandcrushingsystem,ironremovingprocess,coalmeteringprocess,checkingprocess,coalsampling,conveyingsystem,andnecessarymaintenancefacilitiesandauxiliarybuildings.Thedesignofcoaljetty,includingallequipments,system,structure,electrics,signals,controlforjetty,isinThirdHarborConsultants’scope.BoundaryofdesignbetweenpowerntandcoaljettyistheoutletofNo.3beltconveyor’sdischargehopperinT2transferhouse.SiteDescriptionofThepowerntislocatedinPQAindustrialarea,southwestPakistan,about37kmawayfromKarachicity.ThemeteorologicRegularmeteorologicalelementsfortheprojectareshowninthebelowRegularmeteorologicalMeanairpressureforMeanairpressureforyears(seaMeanrelativehumidityfor% temperaturefor℃umwindspeedbyactualmeasurementandcorrespondingwindMeanwindspeedforPrevailingwinddirectionforumannualMinimumannualMeanprecipitationdaysfordMeanthunderstormdaysfordumthunderstormdaysdMeanfoggydaysfordumfoggydaysfor7dMeansandstormdaysfordumsandstormdays3dMeansunshinedurationforhMeancloudamountforOriginalinformationofCoalCoalQualityDataDesign1totalmoisture%2volatilematter（dryash-basis（Vdaf）%3 %Ash%%Fixed%4AirDried5AsReceived67AsReceivedUltimateCarbon%Hydrogen%DesignNitrogen%Sulphur%Oxygen%%Moisture%8℃softening℃℃Flow℃91%234567%碳氢氮硫氧%89灰分析CoalCoalDesignDesignHourlycoalconsumptionDailycoalconsumption Note：Dailyoperationhoursaretakenas20.AnnualoperationhoursaretakenasTheschemeof3.1Storage39t3块条形露天布置的煤场，南侧和北侧的两块煤场大小408m40m408m61m。三块3200t/h3840t/h1000t/h，悬臂长度为3TY220型推土机，用于煤场压实、整理及辅助斗轮机进行堆Thecoaldemandfor30daysof2×660MWunitsoperationisconsideredintheproject,andtotalstoragecapacityisabout390,000t.Therewillbe3open-aircoalyards.Samesizewillbedesignedforthesouthernandnorthernone,i.e.408minlength,40minwidth.Forthemiddleone,thelengthis408m,andthewidthis61m.Thepileheightofthe3coalyardswillbe14m.Consideringenvironmentalrequirements,windfenceandwaterspraywillbesetaroundthecoalyardfordustcontrol.Mainmachineriesofthecoalyardare2setsofDQ3200/1000·30typecantileverbucketwheelstackerandreclaimer.Theratedstackingoutputis3200t/h,umstackingoutput3840t/h,andratedreclaimingoutputis1000t/h.Thecantileverlengthofthetwobucketwheelstackersandreclaimersis30m.Thetwobucketwheelstackersandreclaimersarearrangedparalleled,andtheircenterintervalis71m.2setofZL50wheelloaderand3setsofTY220bulldozerswillalsobedtocompactthecoal,andtoassistthebucketconveyorinstackingandreclaiming3.2Screeningandcrushing1000t/h。环锤式碎煤机的出力Coalhandlingsystemwilladoptone-stagescreeningandone-stagecrushingequipment,whichwillbearrangedincoalcrusherroom.Rollerscreenwithoutputat1000t/handringhammercrusherwithoutputat800t/hwillbeselected.Therearetotallytwocoalcrushersandtworollerscreens.Onevibration-absorsivetformisinstalledunderthebaseofcrusher.Thesizeofcoalfedintothecrusheris（-）300mm,andoutputis（-）30mm.3.3Conveying741号、2号T1转运站在三航院的设计范围，其余的带式输送机和转运站在我们的设计范围。3AB3200t/h3840t/h，带宽1400mm2.0m/s。7AB带式输送机为煤场带式输送机，其额定出Thecoalconveyingsystemiscomprisedofseven（7）conveyorsnamedfromNo.1toNo.7andfour（4）transferhouses.No.1beltconveyors,No.2beltconveyorsandT1transferhouseareinThirdHarborConsultants’designscope,andtherestofbeltconveyorsandtransferhousesareinourdesignscope.TheratedcapacityofNo.3A、Bbeltconveyorsis3200t/h,andtheirumcapacityis3840t/h,withthebeltwidthof2000mmandthebeltspeedof3.15m/s.TheratedcapacityofNo.4A、B/No.5ABNo.6ABbeltconveyorsis1000t/hwiththebeltwidthof1400mmandthebeltspeedof2.0m/s7ABbeltconveyorsareinthecoalyardandtheirratedcapacityis3200t/h,theumcapacityis3840t/h,withthebeltwidthof2000mmandthebeltspeedof3.15m/s.No.3toNo.6beltconveyorshavetwo（2）coalstreamsandcanoperatesimultaneouslyifnecessary.Allconveyorbeltsarethefireresistanttype.Exceptforthecoalyardbeltconveyors,thetrestlesonthegroundareallopen-airtype.Theupsideofthebeltconveyorsisinstalledraincover.2号、31：2.2。5号AB6AB带式输送机交叉对带式输送机上未卸净的燃煤进行清除。为了实现分流，T3转运站内部设置一Electricdriven3-throughsplitterisequippedundertheheadofNo.2/3（A/B)，splitproportionis1:2.2.Electricdriven3-throughchuteisequippedundertheheadofNo.5(A/B)toconveycoaltoNo.6AorNo.6B.InordertoclearthewaterontheNo.5(A/B),thewipersareinstalledneartheheadsofNo.5(A/B).InordertocleartheresidualcoalleavingontheNo.5(A/B),thecoalploughsareinstallednearthetailsofNo.5(A/B).Forthecoalflowdividing,onebeltfeederisinstalledinT3transferhouse.Theratedcapacityofthebeltfeederis1000t/handitsbeltwidthis1600mm.Twenty-two（22）coalploughsareequippedonNo.6(A/B)todischargecoalintoeachbunker.Highlevelindicatorsandlowlevelindicatorsareequippedforeachrawcoalbunker.WhenanyoneoftheCoalbunkerssendlowlevelsignal，thecoalsystemstartworkandfillcoaltoituntilitsendhighlevelsignalThecoalhandlingsystemiscontrolledbyPLC.Theinterlockisinstalledbetweenprimaryequipments.Whenweinterlockunchained，theequipmentscanbeoperatedmanually.Theoperatorsincontrolroomcanchoiceoperatingmodebyelectricdriven3-throughchute.Thecoalhandlingsystemshouldbestartedandstoppedinsequence,startinganticoalflowandstopwithcoalflow.Inaccident,thesystemshouldbestoppedanticoalflow.3.4Auxiliary3.4.1IronT22号带式输送机的头部、3AB带式输送机头部、4AB带式输送机中部、5AB带式输送机中部设有电磁除Four(4)stagesofinlinemagneticseparatorsareequippedtocoalhandlingsystemforremovingironmaterialsfromcoalflow.TheyarelocatedseparayintheheadofNo.2beltconveyorinT2transferhouse,theheadofNo.3A/Bbeltconveyors,themiddleofNo.4A/BandNo.5A/Bbeltconveyors.3.4.2SamplingThesamplingdeviceisdesignedforthecoalhandlingsystem.As-firedsamplingunitislocatedinthemiddleofNo.5conveyorforas-firedcoalsampling.3.4.3BeltscaleandcalibrationBeltscaleisequippedonNo.5A/Bbeltconveyorsforas-firedcoalmetering.Themeasurerangeofthebeltscaleshouldbefrom20%to120%ofthedesigncapacityofthecoalhandlingsystem,andwithoverloadprotection.Theaccuracyofthebeltscaleshouldbeof±0.5%throughouttherange.Motionalcirclechainisinstalledascalibrationdeviceforbeltscalechecking.3.4.4BeltprotectionProtectiondevicesareequipped,includingpull-chordtypeemergencyswitch,beltswayswitch,beltspeeddetector,coalflowdetector,belttearingdetector,chuteblockdetectorandshaker.3.4.5MaintenanceAdequatenumberofcranes,electrichoistsandmanualhoistsareprovidedinalltransferhouses,crusherhouse,bunkerbayandbulldozershedforequipmentsassembly,repairandmaintenance.3.5Auxilia