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1、l.工程概况及工程量Projectprofileandquantity1.1、工程概况Projectprofile本工程为上海锅炉厂生产的660MW超临界变压运行直流锅炉，一次中间再热、单炉膛、平衡通风、露天布置、固态排渣、全钢结构、全悬吊∏型结构，蒸汽压力为27MPa，温度为570℃。锅炉17m层为运转层。Theprojectisaboutsupercriticalvariablepressurerunninga-throughboilerof660MWmadeinShanghaiBoilerWorks,whichisareheat,singlefurnace,balance
2、ventilation,openarrangement,solidstateslag-tap,wholesuspensionstructure,steampressureof27MPa,temperatureof570℃andoperationfloorlocatedin17mlevel..1.2水压试验范围Hydro-testrange本次水压包括一次汽系统及连接管道、二次汽系统及连接管道、锅炉本体范围内一次门以内的承压管道。具体如下：HydraulicPressureincludesfirststeamsystemanditsconnectionpipeline,secon
3、darysteamsystemanditsconnectionpipeline,andabearingpipeinnergate1withinthelimitofboilerproper.Asfollowings:1.2.1一次汽系统包括：Firststeamsystemincluding:省煤器（从高压给水阀经给水管道到省煤器入口联箱，省煤器、省煤器出口联箱），水冷系统（水冷壁前后左右墙下集箱、螺旋段水冷壁、水冷壁前后左右墙中间集箱、垂直段水冷壁、水冷壁前后左右墙出口集箱），启动分离器、过热器系统（顶棚过热器、包墙过热器、低温过热器、屏式过热器、末级过热器），以上各系统之间联
4、络管道、喷水减温管道及疏水、排空、取样加药、排污、热工测点，各系统水压试验截止到一次门。Economizer(fromwatervalvewithhighpressurethroughwaterpipetoheaderattheentranceofeconomizer,economizer,headerattheexitofeconomizer),watercoolingsystem(lowerheaderonthefront,back,leftandrightsidewater-cooledwall,spiralwaterwall,intermediateheaderonth
5、efront,back,leftandrightsidewater-cooledwall,verticalwaterwall,outletheaderonthefront,back,leftandrightsidewater-cooledwall),start-upseparator,super-heatersystem(roofsuper-heater,wrappedwallsuper-heater,lowtemperaturesuper-heater,platensuper-heater,finalsuper-heater),connectionpipeline,sprin
6、klingandAttemperationpipeline,drainage,airextraction,addingdrugstosamples,blowdown,thermodynamicmeasuringpointsofabovesystems,hydro-testofallsystemsendsingate1.1.2.2二次汽系统包括：Secondarysteamsystemincluding:低温再热器、高温再热器、部分冷段、热段及再热系统所有联络管、疏水、排空、喷水减温系统、热工测点，各部分水压试验截止到一次门。Lowtemperaturereheater,high
7、temperaturereheater,allpipelinesofcoldleg,hotlegandreheatedsystems,drainage,airextraction,sprinklingandAttemperationsystem,thermodynamicmeasuringpoints,everyhydro-testendsingate1.,1.2.3水压试验整体方案（具体见水压系统图）Planofhydro-test(seepictureofhydraulicpressur
