电极蒸汽锅炉系统安装使用维护说明

电极蒸汽锅炉系统安装使用维护说明ZANDERINGESTRMAB1系统说明TABLEOFCONTENT目录11112221FUNCTIONSOFTHESYSTEM系统功能6SAFETYCLASSIFIEDFUNCTIONS安全分类功能6OPERATIONALFUNCTIONS运行功能6GENERALDESCRIPTIONOFTHESYSTEM系统一般说明7SYSTEM系统7FEEDWATERSYSTEMQHG给水系统7EVAPORATIONSYSTEMQHA汽化系统7BLOWDOWNSYSTEMQHE排污系统9CHEMICALDOSINGSYSTEMQCC,QCF化学加药系统9SAMPLINGSYSTEMQUB取样系统10COMPRESSED/INSTRUMENTAIRSYSTEMQHP压缩空气/仪表系统1021121221321421521622MAINCOMPONENTS主要部件11DEAERATOR/FEEDWATERTANK除氧器/给水箱11FEEDWATERPUMPS给水泵11BOILERS锅炉11CIRCULATIONPUMPS循环泵12MAKEUPWATERPUMPS补水泵12BLOWDOWNTANK排污罐12221222223224225226331323334OPERATIONOFTHESYSTEM系统运行13NORMALSYSTEMOPERATINGCONDITIONS系统正常运行工况13ABNORMALSYSTEMOPERATINGCONDITIONS系统异常运行工况14NORMALPLANTOPERATINGCONDITIONS电站正常运行工况15ABNORMALPLANTOPERATINGCONDITIONS电站异常运行工况15EFFECTSONTHEASGSATFAILUREORMALFUNCTIONSINASSOCIATEDSYSTEMS因ASGS故障或辅助系统故障产生的影响15341441SYSTEMDESIGN系统设计16GENERALDESIGNBASIS总体设计基础16CODESANDSTANDARDS规范和标准16SAFETYCLASSIFICATION安全等级16SAFETYRELATEDDESIGNCRITERIA相关安全设计标准16PROTECTIONAGAINSTINTERNALHAZARDS内部危害防护16PROTECTIONAGAINSTEXTERNALHAZARDS外部危害防护17411412413414415ZANDERINGESTRMAB341642434445AMBIENTCONDITIONS环境条件17COMPONENTDESIGNBASIS部件设计基础17INSTALLATION安装18MATERIALS材料18ELECTRICALANDCONTROLEQUIPMENT电气和控制设备18AUTOMATICCONTROLANDON/OFFFUNCTIONS自动控制和开关功能194514511BOILER锅炉1945111STARTSTOPSEQUENCES启停顺序1945112PRESSURE,POWERANDLEVELCONTROLOFBOILER锅炉的压力2045113CIRCULATIONPUMP循环泵2145114VOLUMECONTROLOFBOILER锅炉水量调节2245115FEEDWATERPUMP给水泵2345116MINBOILERPRESSUREANDREDUCEDPRESSURE最小锅炉压力和减压2345117CONDUCTIVITYCONTROL导电性控制2445118BOTTOMBLOWDOWNSLUDGEREMOVAL锅炉底部排污（污泥清除）2545119DEAERATINGTHEBOILER锅炉排气25451110WARMUPVALVESSTEAMLINE蒸汽管道上的暖管阀26451111COOLINGTHEPROTECTIVECAGE安全箱的冷却26451112HEATINGOFBOILERDURINGHOTSTANDBY锅炉热备用期间加热274512FEEDWATERTANK除氧器2745121PRESSURECONTROLOFFEEDWATERTANK除氧器压力的控制2745122LEVELCONTROLOFFEEDWATERTANKANDMAKEUPWATERPUMPS除氧器和补水泵的液面控制2845123OVERFLOWCONTROLOFFEEDWATERTANK除氧器的溢流控制2945124STANDBYOPERATION备用操作2945125DEAERATING排气294513WATERTREATMENTDOSING水处理（加药）3045131HYDRAZINE,N2H4联氨3045132TRISODIUMPHOSPHATE,CRYSTALLIZED98NA3PO412H2O磷酸三钠，（98的结晶NA3PO412H2O）3045133BLOWDOWNTANKCOOLING排污罐冷却31452453MEASUREMENTS其他31ALARMFUNCTIONS报警功能344531COMMONFORASGSASGS的常见状况374532BOILERS锅炉374533FEEDWATERTANK除氧器374534DOSINGTANKS加药罐37ZANDERINGESTRMAB4454465678SIGNALEXCHANGETOWARDSMCR指向MCR的信号交换39ASSOCIATEDSYSTEMS相关系统49GENERALOPERATIONALASPECTS一般操作方面50TECHNICALSYSTEMSPECIFICATION系统技术规范51REFERENCES参考文献53APPENDICES附录54ZANDERINGESTRMAB51FUNCTIONSOFTHESYSTEM系统功能描述11PERATIONALFUNCTIONS使用功能THEAUXILIARYSTEAMGENERATINGSYSTEMQH,BYMEANSOFTWOMEDIUMVOLTAGEELECTRODEBOILERS,SUPPLIESSTEAMTOTHEAUXILIARYSTEAMSYSTEMDURINGMAINPLANTOUTAGE,STARTUPANDSHUTDOWN,WHENSTEAMFROMTHEMAINSTEAMSYSTEM,OROTHERSOURCES,ISNOTAVAILABLE本辅助蒸汽系统（QH系统）采用两台中压电极锅炉在总电站运行中断、开启、停止期间，以及主蒸汽系统或其他来源的蒸汽不可用时，向辅助蒸汽系统提供蒸汽。INORDERTOACHIEVETHEREQUIREDFASTSTARTUPANDSTEAMPRODUCTION,THESYSTEMWILLNORMALLYBEINSTANDBYOPERATION,ATNORMALOPERATIONALPRESSUREANDTEMPERATUREBYMEANSOFLOWVOLTAGEELECTRICALELEMENTSIMMERSIONHEATERSFITTEDINTHEBOILERSANDFEEDWATERTANK为达到快速启动和产生蒸汽要求，本系统通常会处于备用状态，维持正常操作压力和温度。这些工作将由安装在锅炉和除氧器内的380V低压电气元件（备用加热器）完成。2GENERALDESCRIPTIONOFTHESYSTEM系统一般说明21SYSTEM系统说明211FEEDWATERSYSTEMQHG锅炉给水系统（QHG系统）MAKEUPWATER,DEMINERALIZEDWATERQHCISFEDTOTHEFEEDWATERTANK00QHJ10BB010BYMAKEUPWATERPUMPSTOTHESPRAYER,WHICHISPARTOFTHEFEEDWATERTANK除氧器（00QHJ10BB010）的补水是除盐水（QHC系统），是由补水泵（00QHC11AP001/00QHC12AP001）和除氧器喷嘴之间的设备完成的。EXCESSSTEAM/GASFLOWSFROMTHEDEAERATORTHROUGHAPIPETHATCONNECTSWITHTHESAFETYVALVESBLOWOFFPIPEAMANUALLYSHUTOFFVALVE00QHJ10AA002ONTHISPIPEWILLBECLOSEDAFTERWHENTHEREISNOFILLINGOFTHETANKTWOORIFICEPLATES00QHJ10BP003/004ISFITTEDTOOPTIMIZETHEFLOWOFTHEEXCESSSTEAMDURINGSTANDBYOPERATIONTHEVALVEISCLOSED,INORDERTOSAVEENERGY除氧器内的过量蒸汽及其他气体通过排气管道排出。在除氧器内充水后，此管道上的手动切断阀00QHJ10AA002关闭。两个孔板00QHJ10BP003/004将调整成最有利于过量蒸汽排出的状态。为了节能，在设备备用期间此阀门将处于关闭状态。THEFEEDWATERTANKSWATERLEVELISMAINTAINEDBYREGULATINGTHECONTROLVALVE00QHC10AA003FORTHEDEMINERALIZEDMAKEUPWATERTOTHEFEEDWATERTANKCONTROLSIGNAL0100REGULATESTHEMAKEUPWATERVALVE0100除盐补水在除氧器内的水位是通过调节控制阀00QHC10AA003来维持的。控制信号0100调节补水阀0100。THEFEEDWATERTANKSPRESSURE,ANDINDIRECTITSTEMPERATURE,ISMAINTAINEDBYREGULATINGTHECONTROLVALVE00QHF30AA004FORTHESTEAMFROMTHEBOILERSTOTHEFEEDWATERTANK通过调节锅炉供给除氧器蒸汽的调节阀，可保持除氧器的压力及对应的温度。ZANDERINGESTRMAB6THESTEAMISLEADTOTHEBOTTOMOFTHETANKANDPASSEDTHROUGHSPREADERPIPESWHICHCREATEACIRCULATIONANDTHUSAGOODMIXINGINTHETANK除氧蒸汽通过除氧器内扩散器管道从除氧器底部进入除氧器，这样有利于蒸汽与水的充分混合。ONEPRESSURERELIEFVALVESAFETYVALVE00QHJ10AA010ISFITTEDONTHETANKTOPREVENTANEXCESSPRESSUREINCASETHEREISAPROBLEMWITHTHEPRESSURECONTROL除氧器安装一个安全阀（安全阀00QHJ10AA010），用于防止压力控制出现问题时造成的超压事故。THEWATERISPUMPEDFROMTHEFEEDWATERTANKTOTHERESPECTIVEBOILERBYTHEFEEDWATERPUMPS从除氧器内出来的水再由给水泵输送到各自应流向的锅炉内。THEREISONEPUMPFOREACHBOILER00QHG11AP001AND00QHA12AP001EACHPUMPISDESIGNEDFOR100OFTHEFLOW每台锅炉都配有一台给水泵00QHG11AP001和00QHA12AP001，每台泵都按100的流量设计。THESELECTEDFEEDWATERPUMPISRUNNINGCONTINUOUSLYDURINGNORMALOPERATIONIFTHESELECTEDPUMPFAILSANDSHUTSDOWN,THESPAREPUMP00QHG13AP001WILLAUTOMATICALLYSTARTCORRESPONDINGLYTHEONOFFVALVE00QHG14AA001OPENSTOBOILER00QHA10AC010ANDONOFFVALVE00QHG15AA001OPENSTOBOILER00QHA20AC010设备正常运行期间，给水泵是连续运行的。如果给水泵不能正常工作，则备用泵00QHG13AP001会自动启动。相对应的，备用切换开关阀00QHG14AA001为锅炉00QHA10AC010开启，而备用切换开关阀00QHG15AA001对应锅炉00QHA20AC010开启。DURINGSTANDBYORIFTHEBOILERPRESSUREISBELOWASETVALUETHEFEEDWATERCONTROLVALVE00QHG11/12AA006ISCLOSEDBEFOREAPUMPISSTARTEDANDTHEOPENINGOFTHEVALVEISREDUCEDTOASETVALUETOREMOVETHERISKFORCAVITATIONSINTHEPUMPDUETOHIGHFLOW在设备备用期间或当锅炉压力低于设定值时，开启另一个泵之前，给水控制阀00QHG11/12AA006将关闭，同时阀门的开度会调整到一个设定值，以避免给水泵带来的汽蚀危险。DURINGSTANDBYOPERATIONTHEFEEDWATERPUMPFILLSTHEBOILERBETWEENTWOWATERVOLUMESETPOINTS设备运行期间，给水泵的给水量处于两个水量设定值之间。EACHPUMPHASAMINIMUMFLOWVALVE00QHG11/12/13AA003,WHICHSECURESTHEPUMPSMINIMUMFLOWSTHEMINFLOWVALVESWILLOPENAUTOMATICALLYATSETPRESSUREANDTHEWATERISPUMPEDBACKTOTHEFEEDWATERTANK给水泵有最低流量阀00QHG11/12/13AA003，用于维持泵的最小流量。在设定压力下，最低流量阀将自动开启，然后水会被泵回除氧器内。ANON/OFFVALVE00QHE16AA002,FITTEDBELOWTHETANK,ACTSASOVERFLOWPROTECTION安装在除氧器底部的开关阀00QHE16AA002起到溢流的作用IFTHEFEEDWATERTANKWATERLEVELSHOULDREACHTHESETHIGHLIMIT,THISVALVEWILLOPENUNTILTHELEVELISBELOWTHESETVALUEFORCLOSINGTHEVALVE如果除氧器内的水位达到了最高上限，则此开关阀会开启，直到水位低于设定值后再自ZANDERINGESTRMAB7动关闭。DURINGSTANDBYOPERATIONTHEFEEDWATERTANKISKEPTWARMANDPRESSURIZEDBYTWOELECTRICELEMENTS00QHJ10AH001/AH002,2X50CAPACITY,WHICHAREENGAGEDATTHESETLIMITON/OFFCONTROLTOENSURETHEFASTESTPOSSIBLESTARTUP,THESETLIMITFORWARMKEEPINGWILLBEEQUALTOOPERATIONALTEMPERATURE设备备用期间，除氧器的保温和保压工作由两个电器元件00QHJ10AH001/AH002,2X50KW完成，这两个电加热器温控运行（开关控制）。为保证最快速度的开启设备，保温的设定限制将约等同于供气温度。THEFEEDWATERTANKSPRESSURE,ANDINDIRECTITSTEMPERATURE,ISMAINTAINEDBYREGULATINGTHECONTROLVALVE00QHF30AA004FORTHESTEAMFROMTHEBOILERSTOTHEFEEDWATERTANK通过调节锅炉供给除氧器蒸汽的调节阀，可保持除氧器的压力及对应的温度。THESTEAMISLEADTOTHEBOTTOMOFTHETANKANDPASSEDTHROUGHSPREADERPIPESWHICHCREATEACIRCULATIONANDTHUSAGOODMIXINGINTHETANK除氧蒸汽通过除氧器内扩散器管道从除氧器底部进入除氧器，这样有利于蒸汽与水的充分混合。ONEPRESSURERELIEFVALVESAFETYVALVE00QHJ10AA010ISFITTEDONTHETANKTOPREVENTANEXCESSPRESSUREINCASETHEREISAPROBLEMWITHTHEPRESSURECONTROL除氧器安装一个安全阀（安全阀00QHJ10AA010），用于防止压力控制出现问题时造成的超压事故。THEWATERISPUMPEDFROMTHEFEEDWATERTANKTOTHERESPECTIVEBOILERBYTHEFEEDWATERPUMPS从除氧器内出来的水再由给水泵输送到各自应流向的锅炉内。THEREISONEPUMPFOREACHBOILER00QHG11AP001AND00QHA12AP001EACHPUMPISDESIGNEDFOR100OFTHEFLOW每台锅炉都配有一台给水泵00QHG11AP001和00QHA12AP001，每台泵都按100的流量设计。THESELECTEDFEEDWATERPUMPISRUNNINGCONTINUOUSLYDURINGNORMALOPERATIONIFTHESELECTEDPUMPFAILSANDSHUTSDOWN,THESPAREPUMP00QHG13AP001WILLAUTOMATICALLYSTARTCORRESPONDINGLYTHEONOFFVALVE00QHG14AA001OPENSTOBOILER00QHA10AC010ANDONOFFVALVE00QHG15AA001OPENSTOBOILER00QHA20AC010设备正常运行期间，给水泵是连续运行的。如果给水泵不能正常工作，则备用泵00QHG13AP001会自动启动。相对应的，备用切换开关阀00QHG14AA001为锅炉00QHA10AC010开启，而备用切换开关阀00QHG15AA001对应锅炉00QHA20AC010开启。DURINGSTANDBYORIFTHEBOILERPRESSUREISBELOWASETVALUETHEFEEDWATERCONTROLVALVE00QHG11/12AA006ISCLOSEDBEFOREAPUMPISSTARTEDANDTHEOPENINGOFTHEVALVEISREDUCEDTOASETVALUETOREMOVETHERISKFORCAVITATIONSINTHEPUMPDUETOHIGHFLOW在设备备用期间或当锅炉压力低于设定值时，开启另一个泵之前，给水控制阀00QHG11/12AA006将关闭，同时阀门的开度会调整到一个设定值，以避免给水泵带来的汽蚀危险。DURINGSTANDBYOPERATIONTHEFEEDWATERPUMPFILLSTHEBOILERBETWEENTWOWATERZANDERINGESTRMAB8VOLUMESETPOINTS设备运行期间，给水泵的给水量处于两个水量设定值之间。EACHPUMPHASAMINIMUMFLOWVALVE00QHG11/12/13AA003,WHICHSECURESTHEPUMPSMINIMUMFLOWSTHEMINFLOWVALVESWILLOPENAUTOMATICALLYATSETPRESSUREANDTHEWATERISPUMPEDBACKTOTHEFEEDWATERTANK给水泵有最低流量阀00QHG11/12/13AA003，用于维持泵的最小流量。在设定压力下，最低流量阀将自动开启，然后水会被泵回除氧器内。ANON/OFFVALVE00QHE16AA002,FITTEDBELOWTHETANK,ACTSASOVERFLOWPROTECTION安装在除氧器底部的开关阀00QHE16AA002起到溢流的作用IFTHEFEEDWATERTANKWATERLEVELSHOULDREACHTHESETHIGHLIMIT,THISVALVEWILLOPENUNTILTHELEVELISBELOWTHESETVALUEFORCLOSINGTHEVALVE如果除氧器内的水位达到了最高上限，则此开关阀会开启，直到水位低于设定值后再自动关闭。DURINGSTANDBYOPERATIONTHEFEEDWATERTANKISKEPTWARMANDPRESSURIZEDBYTWOELECTRICELEMENTS00QHJ10AH001/AH002,2X50CAPACITY,WHICHAREENGAGEDATTHESETLIMITON/OFFCONTROLTOENSURETHEFASTESTPOSSIBLESTARTUP,THESETLIMITFORWARMKEEPINGWILLBEEQUALTOOPERATIONALTEMPERATURE设备备用期间，除氧器的保温和保压工作由两个电器元件00QHJ10AH001/AH002,2X50KW完成，这两个电加热器温控运行（开关控制）。为保证最快速度的开启设备，保温的设定限制将约等同于供气温度。212EVAPORATIONSYSTEMQHA蒸汽系统（QHA系统）THEELECTRODEBOILERHASANINNERVESSELMOUNTEDONCERAMICINSULATORSINSIDETHESHELLOUTERVESSELTHETHREEPHASEELECTRODES00QHA10AH101FORBOILER10AND00QHA20AH101FORBOILER20,EACHCONSISTINGOFANUMBEROFBARSMOUNTEDONASINGLEELECTRODEPLATE,ARELOCATEDINTHEINNERVESSELEACHELECTRODEISSUSPENDEDININSULATEDBUSHINGSHOLLOWCERAMICINSULATORSATTHETOPOFTHEBOILERTHEINNERVESSEL,WHICHALSOFORMSTHENEUTRALPOINTOFTHEELECTRICALSYSTEM,DIVIDESTHEBOILERINTOTWOWATERCHAMBERSINNERANDOUTER锅炉分为内筒和外筒。电极锅炉的内筒通过陶瓷绝缘件安装在外筒内部上方。每个三相电极三相电极00QHA10AH101供锅炉10所用，00QHA20AH101供锅炉20所用包含若干个安在单电极盘上的金属电极棒，并被固定在内筒上方。电极被悬在锅炉顶部的绝缘套管上（中空的陶瓷绝缘件）。锅炉内筒将成为电气系统的中性点。ELECTRICPOWERISCONVERTEDDIRECTLYINTOHEATASTHECURRENTFLOWSTHROUGHTHEWATERTHECURRENTPASSINGTHROUGHTHEWATERISAFUNCTIONOFTHEACTIVESURFACEAREAOFTHEELECTRODESANDTHEBOILERWATERSCONDUCTIVITYTHECURRENTISCONTROLLEDBYREGULATINGTHEWATERLEVEL,THUSVARYINGTHEACTIVEELECTRODEAREATHELEVELISRAISEDBYCLOSINGTHEVALVEINTHEBOTTOMOFTHEINNERVESSEL00QHA10AA101FORBOILER10AND00QHA20AA101FORBOILER20ANDATTHESAMETIMEOPENINGTHEVALVEINTHECIRCULATIONPIPE00QHM01AA003FORBOILER10AND00QHM02AA003FORBOILER20THELEVELISLOWEREDBYDOINGTHEINVERSE炉水导电，电能被转化成热能。炉水的电流与电极的有效表面积以及炉水电导率具有函数关系。电流的控制是通过水位的调节，进而改变电极被浸没的有效面积完成的。关闭内筒底部阀门00QHA10AA101供锅炉10用，00QHA20AA101供锅炉20用，并同时开启循环ZANDERINGESTRMAB9管道上的阀门00QHM01AA003供锅炉10用，00QHM02AA003供锅炉20用，可使锅炉水位上升。反向操作则降低水位。ASLONGASTHELOADDOESNOTEXCEEDTHEPOWERSETPOINTMAXALLOWEDPOWERED,ITISTHEBOILERSSTEAMPRESSURETHATISCONTROLLED只要载荷不超过功率设定点（允许的最大功率）就可控制锅炉的蒸汽压力。THEWATERVOLUMEINTHERESPECTIVEBOILERISKEPTCONSTANTATSETLEVELBYREGULATINGTHECONTROLVALVES00QHG11AA006FORBOILER10AND00QHG12AA006FORBOILER20ONTHEBOILERSRESPECTIVEFEEDWATERINLETPIPETHEVOLUMEISCALCULATEDFROMTHELEVELSOFBOTHTHEINNERANDOUTERBOILERVESSEL通过调节各锅炉给水管上的控制阀00QHG11AA006供锅炉10用，00QHG12AA006供锅炉20用，即可使锅炉内水量保持设定值，恒定不变。水量可通过计算锅炉内、外筒的水位得出。THEWATERISCIRCULATEDFROMTHEOUTERVESSELBOILERVESSELTOTHEINNERVESSELBYACIRCULATIONPUMP锅炉外筒的水通过循环泵泵入内筒。THEREARETWOCIRCULATIONPUMPS2X100FOREACHBOILER00QHM11/12AP001AND00QHM21/22AP001每个锅炉有两个2X100循环泵00QHM11/12AP001和00QHM21/22AP001。IFTHESELECTEDPUMPFAILSANDSHUTSDOWN,THEOTHERPUMPWILLAUTOMATICALLYSTART如果一个泵因自身故障停止运行，则备用泵会自动启动。THEFLOWISAPPROXIMATELY180M3/HATOPERATION,KEEPINGTHELEVELOFTHEINNERVESSELSTEADY,MEANSTHATTHECONTROLVALVESFORINNERVESSELANDCIRCULATIONPIPEWILLBEAPPROXIMATELY50OPEN,WHICHMEANSTHEREISALWAYSAREFLOWOFWATERFROMTHEINNERTOTHEOUTERVESSEL循环泵流量约为180M3/H。运行时，保持内筒水位恒定则意味着内筒和循环管道上的控制阀需要打开50左右，以保持内外两筒始终有水流动。THEFORCEDCIRCULATIONSYSTEMENSURESAFASTSTARTUPANDSHUTDOWNTHECONSTANTMIXINGOFWATERALSOELIMINATESTHERISKFORASALTCONCENTRATIONATTHESURFACE,WHICHOTHERWISEWOULDOCCUR强制循环系统可保证锅炉快速调整功率。炉水的充分混合也避免了炉水表面含盐浓度过高的危险。AFTERTHEPUMPS00QHM11/12AP001FORBOILER10AND00QHM21/22AP001FORBOILER20THEREISANORIFICEPLATE00QHM11/12BP001FORBOILER10AND00QHM21/22BP001FORBOILER20FORENSURETHATTHEPUMPSDONTCAVITATE循环泵00QHM11/12AP001供锅炉10用，00QHM21/22AP001供锅炉20用的出口装有孔板锅炉10的为00QHM11/12BP001，锅炉20的为00QHM21/22BP001，用于防止泵气蚀。INTHEPLCPROGRAMTHEOUTGOINGSIGNALTOCONTROLVALVE00QHM01AA003FORBOILER10AND00QHM02AA003FORBOILER20ISMINIMIZEDTO5TOENSURETHEMINIMUMWATERFLOW在PLC程序中，向控制阀锅炉10的为00QHM01AA003，锅炉20的为00QHM02AA003发出的信号最小值为5，以保证最低流量。ZANDERINGESTRMAB10THEBOILERWATERSCONDUCTIVITYISMAINTAINEDBYREGULATINGTHEINTERMITTENTBLOWDOWNVALVE00QHE02AA001FORBOILER10AND00QHE22AA001FORBOILER20,WHICHBLOWSWATERFROMTHEINNERVESSELTOTHEBLOWDOWNTANK炉水电导率的控制靠排污阀锅炉10为00QHE02AA001，锅炉20为00QHE22AA001间歇调节实现。排污阀把内筒排污水间歇性排放到排污罐内。ACONDUCTIVITYMETER00QHM01CQ001FORBOILER10AND00QHM02CQ001FORBOILER20ISFITTEDINTHECIRCULATIONPIPE循环管道上安有电导率仪锅炉10的为00QHM01CQ001，锅炉20的为00QHM02CQ001。FORREMOVINGPRECIPITATEDSOLIDSSLUDGE,THEBLOWDOWNVALVE00QHE01AA