BALCOEXPANSIONPROJECT-1200MWTHERMALPOWERPLANTCommissioningprocedurePROCEDUREFORCHEMICALSDOSINGSYSTEM炉内加药系统调试方案Compliedby编写：史勉shimianRevisedby审核：冯荣彬fengrongbinApprovedby批准：于心水yuxinshui目录CONTENTS调试范围Thescopeofcommissioning调试前应具备的条件precondition水压试验HydraulicTest运行试验Operationtest计量泵调整试验Adjustmenttestofmeteringpumps电气控制试验Electriccontroltest附录Appendix1.调试范围Thescopeofcommissioning炉内加药系统：给水、凝结水、炉水的加药系统。Thescopeofchemicalsdosingsystem：Dosingsystemforfeedwater,condensatewaterandboilerwater2.调试前应具备的条件Precondition2.1加药系统安装完毕，加药管线连接正确。检查各溶药箱、计量箱、阀门、管路是否清理干净。Theerectionofthechemicaldosingsystemequipmentshouldbecompleted.Thetanksandpipeshouldbeflushed&cleaned.2.2加药系统所有电气﹑热工接线均正确；I&Candelectricalworksshouldbefinished.所有电机的绝缘必须合格。Theinsulationtestsofallmotorsarequalified2.3转动搅拌泵及加药泵，各泵的转向正确。通过试运，计量泵能正常上水Allpumpsshouldbetestedandbequalified.2.4所加药品能保证充足供应且质量合格。Thechemicalshouldbeenoughandqualified.2.5配药用的除盐水能充足供应。TheDMwatershouldbesuppliedforchemicaldissolving.3.水压试验HydraulicTest3.1对所有溶药箱做灌水试验Hydrostatictestforallthesolutiontanksanddissolvingtanks给药箱上满水，检查外表面、焊缝和连接件，应没有水渗出。FillthetanksandwithDMwater,andthenmaketheoutsidesurfacedry.Checktheoutsidesurface,weldingseamsandconnections.3.2氨、联氨、磷酸盐及十八胺加药泵出口管道的水压试验Hydraulictestforoutletpipelineofammonia,hydrazine,phosphateandstearaminePumps.3.2.1将计量泵行程调至最小，打开计量泵的进出口门，关闭至机组的加药总门，启动泵，微调调整行程，使给水加氨和加联氨泵出口管道的压力保持在2.0Mpa（凝结水加胺及加联氨泵保持4.0MPa），将泵停运，维持系统压力半小时，检查外表面、焊缝和连接件，应没有水渗出，观察压力的下降情况。Keepthewaterpressureinsidethepipelineat2.0Mpaforfeedwaterdosingpumpand4.0Mpaforcondensatewaterdosingpumpandforhalfanhour.Checktheoutsidesurface,weldingseamsandconnections.3.2.2将计量泵行程调至最小，打开计量泵的进出口门，关闭至机组的加药总门，启动磷酸盐泵泵，微调磷酸盐泵的行程，使磷酸盐泵泵出口管道的压力保持在25Mpa，将泵停运，维持系统压力半小时，检查外表面、焊缝和连接件，应没有水渗出，观察压力的下降情况。HydraulictestforoutletpipelineofphosphatepumpsRemainthewaterpressureinsidethepipelineat25Mpaandforhalfanhour.Checktheoutsidesurface,weldingseamsandconnections.3.2.3将计量泵行程调至最小，打开计量