S型单级双吸离心泵安装说明中英文Word文件下载.docx
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S型泵系单级、双吸、水平中开式卧式离心泵,供输送不含固体颗粒的清水或物理、化学性质类似于清水的其它液体,被输送介质的温度为0℃~80℃,允许进口压力为0.6MPa,适用于工厂、城市、电站、农田、水利工程等领域的给排水用泵。
TypeSpumpbelongstosingle-stagedouble-suctionsplitcentrifugalpump.Ittransfersclearwaterorpureliquidsphysicallyandchemicallysimilartoclearwater.Thetemperatureoftheliquidis0oC~80oC.Permissiblemaximuminletpressureis0.6MPa.Theyarewidelyusedforwatersupply&
drainageinfieldsoffactories,cities,mines,powerstationsandfarmlandsaswellaswaterconservancy.
型号说明:
例300S58A
300-表示泵吸入口直径(mm)。
S-表示单级、双吸、中开式离心泵。
58-泵设计扬程(m)。
A-泵的叶轮外径或泵的转速改变标志。
Typedescription,forexample:
300S58A
300----Inletdiameteris300mm)
S----Single-stage,double-suctioncentrifugalpump
58----Headatdesignpoint
A----Theworkingperformanceschangeaftertheimpelleriscutorthespeeddecreases,buttheotherdimensionsdon’tchange.
泵的过流部件材质为铸铁。
轴端密封既可用填料密封也可用机械密封(单端面非平衡型),用户可自行选择轴封密封方式。
从电机端看,泵为顺时针方向旋转。
Themedia-contactingpartsaremadeofcastiron.Theshaftsealusespackingsealormechanicalseal(single-endnon-balancedtype)accordingtocustomer’srequirements.Thepumprotationdirectionisclockwiseviewingfrommotortopump.
若用户需改变泵过流部件材质,增加轴伸及改变泵的旋转方向,均可与本公司协商解决。
Thematerialofthemedia-contactingpartsandthepumprotationcanbechangedaccordingtocustomer’srequirements.
二.结构说明StructureDescription
该泵主要由泵体、泵盖、密封环、密封部件及转子部件组成。
密封部件为填料时包括填料、填料环、填料压盖等,当为机械密封时包括机械密封、机封压盖等。
转子部件主要由轴及装在轴上的叶轮、轴套组成,轴上零件采用平键和圆螺母固定、锁紧,使之成为一体。
整个转子由两端轴承支撑,轴承部件为滚动轴承结构。
Thepumpmainlyconsistsofpumpcasing,pumpcover,wearingring,sealpartsandrotors.Packingsealincludespacking,packingring,packinggland,etc.Formechanicalsealitisalsoincludemechanicalsealgland.Therotorpartsconsistofshaft,impeller,shaftsleeve,etc.Thepartsontheshaftarefixedbykeysandroundnutsasawhole.Therotorwassupportedbytwoendrollerbearings.
泵为卧式安装,吸入口和吐出口均在泵中心线下方,与泵轴垂直。
泵体、泵盖沿泵轴中心水平分开,检修时不需拆卸进水、出水管路和电机,拆开联轴器联接螺栓和泵盖即可取出转子部件进行维修,十分方便。
Thepumpwasinstalledhorizontally.Theinletandoutletarebothunderthepumpcenterlineandperpendicularthepumpshaft.Thepumpcasingandcoverarehorizontalsplitalongshaft.Itisnotnecessarytodisassemblytheinletandoutletpipeormotorwhilemaintenance.Therotorcanbetakenouteasilybyloosentheconnectingboltsofthecouplingspumpcover.
泵具体结构参见泵结构图(结构图附后)。
Theconstructionofthepumpreferstothedrawingattached.
泵和电机采用弹性柱销联轴器联接。
Thepumpandmotorareconnectedbyflexibilitypinconnectingcouplings.
叶轮、密封环及轴套作为易损件。
Theimpeller,wearingandshaftsleevesarequick-wearparts.
三.泵的装配与安装Installationandassembly
1.转子部件的装配Theassemblyoftherotor
装配轴承时采用二硫化钼润滑脂润滑,润滑脂占轴承体空间的70%为宜
Molybdenumdisulfidegreasewillusewhileassemblythebearing.Thequantityshouldbeof70%thebearinghouse.
(1)把轴平放在平台或其它适合的支撑上;
Putshaftonaplatformorothersuitablesupport;
(2)把叶轮键放入轴中央的键槽内,装上叶轮;
Putimpellerkeyintheslotinmiddleoftheshaftandassemblytheimpeller;
(3)在叶轮两边装上轴套、轴套螺母,用钩扳手稍拧紧轴套螺母;
Assemblytheshaftsleeveandthesleevenutatbothendsoftheimpellerandscrewdownthenuttightlybyhookspanner.
(4)在叶轮两边套上填料环和填料压盖(对装机械密封的,装上机械密封和机封压盖);
Putonthepackingringandpackingglandatbothendoftheimpellerforpackingseal.Formechanicalseal,assemblythemechanicalsealandmechanicalsealgland.
(5)把密封环套在叶轮上;
Assemblythewearingringontheimpeller.
(6)在从动端装上挡水圈、内侧轴承压盖、轴肩挡套、轴承和圆螺母并拧紧,把轴承体装到轴承上,并拧紧轴承压盖与轴承体的连接螺栓;
Thenputthewater-proofring,innerbearinggland,shaftshouldersleeve,bearingandroundnutonthedrivenendandscrewthemdown.Assemblythebearinghousewithbearingandthenscrewdowntheconnectingboltsofbearingglandandbearinghouse.
(7)在主动端装上挡水圈、内侧轴承压盖(带纸垫)、轴承,然后将轴承体装上,连接轴承压盖与轴承体并拧紧轴承压盖与轴承体的连接螺栓;
Thenputthewater-proofring,innerbearinggland(withpapergasket)andbearingonthedrivingend.Assemblythebearinghousewithbearingandthenscrewdowntheconnectingboltsofbearingglandandbearinghouse.
到此转子部件装配完毕。
Somuchforthispart.
2.转子部件与泵体装配Assemblytherotorandthepumpcasing
(1)清洗泵体密封环,并去毛刺;
Cleanthepumpcasingwearingringandcleanouttheburr;
(2)泵体中开法面上垫一与法兰形状一致的0.3mm青壳纸垫;
Putthesameshapeof0.3mmgasketonthesplitcasingflange;
注意:
垫子的边必须与壳体的内孔切齐。
Note:
Theedgeofthepapergasketmustkeepwithintheinnerholeofthecasing.
(3)将装好的转子部件放到泵体上,轴承体落在两端的支架上,然后盖上轴承体压盖(上端带固定螺钉),并拧紧连接螺母;
Putontheassemblyrotoronthecasing.Putthebearinghouseonthesupporteroftwoends.Coverthebearinghouseglandwithfixedscrewboltsandthenscrewdowntheconnectingnutstightly.
(4)在轴伸端装上键及联轴器;
Assemblythekeyandcouplingsattheshaftextendend.
(5)调整轴套螺母使叶轮与泵体对中,然后用钩扳拧紧轴套螺母;
Aligntheshaftsleevenuttomakethecenteroftheimpellerandthepimpcasinginaline.Andthenscrewdowntheshaftsleevenuts.
(6)将泵盖吊起,然后仔细放入正确位置;
Liftupthepumpcoverandthenputintotherightposition.
(7)装上定位销和泵体泵盖联接螺母,对称拧紧各个螺母;
Assemblythepositionpinandthenscrewdowntheconnectingnutbetweenpumpcasingandcoversymmetrically.
(8)用手盘动泵转子,检查转子在壳体内转动是否灵活;
Rotatetherotorbyhandsandcheckifitisflexiblerunninginthecasing.
(9)检查符合要求后,当用填料密封时需在泵两端轴封处加入填料,注意填料环在填料腔中的位置;
Ifeverythingisready,fillinthepackingattwoendsoftheshaftsealandpleasepayattentiontothepositionofthepackingringinthestuffingbox.
(10)压紧填料压盖(对装机械密封时,压紧机封压盖),并拧紧连接螺母。
Impactthepackingglandormechanicalsealglandtightlyandscrewdowntheconnectingbolts.
(11)装上其它附件如冲洗管路等。
Assemblyotheraccessories,suchasflushingpipes,etc
3.安装前注意事项Notesbeforeinstallation
(1)泵的基础需经有关部门检验,尺寸符合基础图后,方可交付安装;
Checkthefoundationandmakesurethesizeisqualified.
(2)基础应水平、光滑,用汽泡水平仪保证水平度;
Thefoundationshouldbeglazedandhorizontal.Itsleveldegreeshouldbeassuredbybubblehorizontalapparatus.
(3)基础灌浆时,留出泵座和电机座的地脚螺栓孔的位置,待水泥干固后方能安放泵和电动机。
在灌浆时要注意使泵座充分灌浆不得有空洞,灌浆要连续进行不得有长时间的中断。
灌浆的好坏直接影响泵机组的振动和噪音,所以要小心慎重。
Theholesoftheanchorboltsshouldbeleftduringfoundationofthebase.Installthemotorandpumpafterithardened.Thegroutingmustbecontinuousandfillthepumpbasewithoutanyholes.Notewhetheritisgoodorbadwillinfluencethenoiseandvibrationdirectly.
4.设备安装及初步找正Therequirementofinstallation
(1)先将电动机安放在基础上,并使纵向、横向及高度方向上定位,用水平仪找正,然后再安放泵;
Putthemotoronthebasefirstandlocateitatvertical,horizontal,andaxialdirection.Checkwiththehorizontalapparatusandtheninstallationthepump.
(2)在泵和电机联轴器的圆周方向几点上检查轴向间隙值(间隙值见外形尺寸图);
Checktheaxialgapontheroundofthemotorandpumpcouplingseveralpoints.(Thevalueofthegapreferstotheoverallinstallationdrawing)
(3)检查和调整泵、电机联轴器的对中,端面偏差≤0.06mm,外圆偏差≤0.10mm;
Checkandadjustthecenterofthepumpandmotorinaline.Thewrapoftheendfacesislessthan0.06mmandthewrapoftheouterroundislessthan0.10.
(4)泵座和电机座二次灌浆。
Secondgroutingofpumpandmotorbase.
(5)为减少水头损失,管道的安装应尽量克服弯头过多的现象,管子的弯头半径应较大,特别是进水管道。
Toreducethelossofthehead,theelbowmustbeusedasfewaspossibleinthepipeline.Thesemi-diameteroftheelbowmustbeaslargeaspossible,especiallytheinletones.
(6)为防止停车时出现的倒转、水锤现象,在泵压出管道上应设有截止阀;
为调节流量,在泵压出管道上应设有闸阀。
Topreventthereversalrotationandwaterhammer,thestopvalveshouldbeinstalledinthepumpoutletpipeline;
Toadjustthecapacity,thegatevalveshouldbeinstalledinthepumpoutletpipelinetoo;
(7)管道安装完毕后,进一步检查泵和电动机联轴器的对中性。
Aftertheinstallationofthepipeline,checkthealignmentofthemotorandpumpcouplingsonceagain.
(8)安装所有管道,如水封水管部件、冷却水管部件等。
各管路应畅通,密封要严。
Installalltheaccessoriespipes,e.g.,shaftseals,coolingwaterpipes,etc.Allthepipelinesmustbeunblockedandwellsealed.
(9)泵只承受自身内力,不能承受任何外力。
Thepumpcanjustbeartheforceofitsownexceptanyforcefromoutside.
四.泵的调试、起动、运行与停车
Debugging,Start-up,OperationandShut-off
1.泵的调试Debugging
(1)用压缩空气或清水清洗泵和管道。
Cleanupthepumpandthepipelinebycompressedairorclearwater.
(2)拆除泵、电机联轴器联接螺栓,使泵和电动机脱开。
点动电动机,检查电动机的转向是否符合泵转向的要求,如果不对,更换电机电线接头。
重新装好泵、电机联轴器联接螺栓。
Disassemblytheconnectingboltsofthepumpandmotorcouplings,andseparatethem.Startthemotortocheckiftherotationofthemotoraccordwiththepumprotation.Ifwrongchangetheconnectionofthemotortie-inwire.Reassemblytheconnectingboltsofthemotorandpumpcouplings.
(3)用手盘动转子,检查转子是否灵活。
Rotatetherotorbyhandstocheckifitisrunningflexible.
(4)关闭泵出口闸阀和压力表旋塞,打开吸入阀门,用输送的液体或抽真空系统排除吸入管和泵体内的空气,使泵内充满液体。
Shutoffthepumpdischargegatevalveandpressuregauge,openthesuctionvalve.Vacuumizethepipeandthepumpbyvacuumsystemordeliveryliquidandmakethepumpfulloffluid.
(5)装机械密封时,应通入机械密封冲洗液,以防机封密封面结垢或结晶,冲洗液最好为常温软化水,冲洗液压力应高于泵进口压力0.05~0.1MPa水量为0.6~1.2m3/h。
Whileassemblythemechanicalseal,pourintothemechanicalsealcleansertopreventthesealsurfacecrystallizationordirty.Thecleansershouldbeinteneratedofnormaltemperature.Thecapacityofthecleanseris0.6-1.2m3/handitspressureshouldbe0.05-0.1Mpahigherthanthepumpinletpressure.
(6)检查泵与电动机联接螺栓的松紧程度和泵周围的安全情况,使泵处于准备起动状态。
Makesurethesurroundingsaroundthepumpandmotoraresafetyandcheckwiththetightnessoftheconnectingboltsbetweenthemotorandpumpforreadytostart.
(7)起动电机,当电机达到额定转速后,打开压力表旋塞;
慢慢开启泵出口闸阀,使吐出压力表达到规定压力,并观察泵运转是否正常。
Startthemotorandopenthescrewplugofthepressuregaugewhenthemotorrotateattheratedspeed.Slowopenthepumpdischargegatevalveuntilthepositionbuoytotheratedvalueandcheckifitisrunningstable.
如有异常现象应立即停机检查,查清原因排除故障。
Ifthere