锅炉各转动机械轴承冷却水系统

锅炉各转动机械轴承冷却水系统BoilerrotarymechanicalbearingCoolingwatersystem1.2一次风机的调试与运行1.2Commissioningandoperationofprimaryairfan1.2.1 一次风机调试前的准备工作1.2.1Preparationbeforecommissioningofprimaryairfan1)详细检查所有螺栓是否紧固。1）Detailedlyinspectwhetherallboltsaretightenedornot.2)检查叶轮、进口导叶调节门与电动机的旋转方向是否正确。2)Inspectwhethertherotationdirectionsofimpeller,adjustablevalveofinletimpellerandmotorarecorrectornot.3)检查机壳、进气箱和进出口管道是否遗留下杂物。

3)Inspectwhetherforeignmattersareleftattheshell,airintakeboxandinlet/outletpipeornot.4)检查仪表连接是否正确。4)Inspectwhethertheconnectionofinstrumentiscorrectornot.5) 在调节门处于关闭位置的情况下，检查调节杆的位置是否正确，调节门的相邻叶片必须接触，如果检查下来相邻叶片不互相接触，必须加以调整和固定。5)Undertheconditionthattheadjustablevalveisclosed,inspectwhetherthepositionofadjustablerodiscorrectornot.Theadjacentbladesofadjustablevalvemustcontacteachother.Iftheadjacentbladesdonotcontacteachotherafterinspection,theymustbeadjustedandfixed.6)调节门的设计方向与叶轮的旋转方向相同，即在调节门关闭的情况下，介质的预流动方向与叶轮的旋转方向相同。6)Thedesigndirectionofadjustablevalveisthesameasrotarydirectionofimpeller,thatistosay,undertheconditionthattheadjustablevalveisclosed,thepreflowingdirectionofmediumisthesameasrotationdirectionofimpeller.7)必须对传动机构联杆长度进行调节，保证电动执行机构的行程要满足调节门全开和全闭的需要。7)Itmustadjustthelengthoflinkrodofactuatortoensurethestrokingofelectricmotoractuatorshouldtallywiththedemandsoffullopeningorfullclosingofadjustablevalve.8)在风机启动之前，调节门必须关闭。8)Theadjustablevalvemustbeclosedbeforethefanisstartedup.1.2.2一次风机导叶调节门传动机构的调试1.2.2Commissioningofdrivingmechanismofguidevaneadjustablevalveofprimaryairfan1)在调节门处于关闭位置的情况下，检查调节杆的位置是否正确，规定调节门的相邻叶片必须接触，如果检查下来相邻叶片不互相接触，必须加以调整和固定。1)Undertheconditionthattheadjustablevalveisclosed,inspectwhetherthepositionofadjustablerodiscorrectornot.Prescribethattheadjacentbladesofadjustablevalvemustcontacteachother.Iftheadjacentbladesdonotcontacteachotherafterinspection,theymustbeadjustedandfixed.2)调节门的设计方向与叶轮的旋转方向相同，即在调节门关闭的情况下，介质的预流动方向与叶轮的旋转方向相同。2)Thedesigndirectionofadjustablevalveisthesameasrotarydirectionofimpeller,thatistosay,undertheconditionthattheadjustablevalveisclosed,thepreflowingdirectionofmediumisthesameastherotationdirectionofimpeller.3)必须对传动机构联杆长度进行调节，保证电动执行机构的行程要满足调节门全开和全闭的需要。3)Itmustadjustthelengthoflinkrodofactuatortoensurethestrokingofelectricmotoractuatorshouldtallywiththedemandsoffullopeningandfullclosingofadjustablevalve.4)在风机启动之前，调节门必须关闭。4)Theadjustablevalvemustbeclosedbeforestartupthefan.1.2.3 一次风机的联动试车1.2.3Interlockcommissioningofprimaryairfan1)风机应在无载荷的情况下启动，即关闭风机的进口调节门，并将风机出口管道中的阀门开启，以防止电机过载。风机在调节门关闭的情况下，运行时间不得过长。如情况良好，在风机达到额定转速后，再将调节门逐渐开启，以达到风机的设计额定工况点。1)Thefanshouldbestartedundertheconditionofnoload,thatistosay,closetheinletadjustablevalveoffanandopenthevalveinoutletpipeoffaninordertopreventoverloadofmotor.Undertheconditionthattheadjustablevalveoffanisclosed,theoperationtimecannotbetoolong.Iftheconditionisgood,graduallyopentheadjustablevalveafterthefanreachesratedrotationspeedsoastoattaindesignratedworkingconditionpointoffan.2)在风机运行过程中，注意监控轴承的温度。轴承的温度在达到稳定之前的最初几个小时之内，温度值会直线上升，但随后会稳定在一个温度值。运行过程中，轴承温升不得超过40℃。注意监控轴承部的均方根振速测定值，其值不得超过4.0mm/s。2)Duringtheoperatingprocessoffan,payattentiontomonitoringthebearingtemperature.Withintheinitialseveralhoursbeforethetemperatureattainsstablelevel,thetemperaturevaluewillrisefastasastraightline,butlateritwillstayatonevalue.Duringoperation,bearingtemperatureshouldnotexceed80℃.Payattentiontomonitoringtheroot-mean-squarevibrationspeeddeterminedvalueofbearinganditsvalueshouldnotexceed4.0mm/s.3)风机的联动试车时间不得低于72小时。3)Thetimeofinterlockcommissioningoffanshouldnotbelessthan72hours.4)一次风机启动前应关闭出口挡板，空载启动。4)Theoutletdampershouldbeclosedbeforestartuptheprimaryairfan,anditisstartedwithno-load.5）投入一次风机动力电源，软启动。

5)Putindynamicpowersupplyofprimaryairfan,softstart-up.6）开启一次风机出口挡板。

6)Opentheoutletdamperofprimaryairfan.7）正常停炉时可反相操作。

7)Duringnormalshutdown,itcanbeoperatedinainverseorder.1.2.4 立即停车事件1.2.4Emergencyshutdown1)风机或电动机启动时有明显的异常现象或摩擦声响。

1)Themotororfanhasobviousandabnormalconditionsorgratingduringthestart-up.2)风机轴承温度、轴承的振动超过规定值。2)Thebearingtemperatureandvibrationoffanexceedspecifiedvalue.3)调节门的调节失灵。3)Theadjustmentofadjustablevalvehasfault.4)电动机突然过载。4)Motoroverloadssuddenly.5)涉及人身和机组安全的其它意外情况。5)Othersuddennessrelatedtopersonnelsafetyandunitsafety1.3一次风机的主要故障及原因1.3Mainfaultsofprimaryairfanandcauses在风机运转过程中，可能发生某些故障，对发生的故障必须迅速查明原因，及时解决，以防止事故的发生。

Intherunningprocessoffan,somefaultsmaytakeplace,andthecausesmustbefoundoutquicklyandthefaultsmustbesolvedintimeinordertopreventtheemergencyfromhappening.一次风量不足1.3.1Insufficientprimaryairflow管道系统阻力超过风机规定风压Theresistanceofpipelinesystemisbeyondspecifiedairpressureoffan.一次风压不足1.3.2Insufficientairpressure管道系统阻力估计过低Theestimationforresistanceofpipelinesystemistoolow.1.3.3电动机超载1.3.3Overloadofmotor1)风压过低致使风量过大1)Toolowairpressurecausestoobigairflow.2)进口气体温度过低，气体密度过大，使风机压头过高2)Toolowtemperatureofinletairandtoobigdensityofaircausetoohighpressureheadoffan.3)风机内部发生摩擦碰撞现象3)Frictionandcollisiontakeplaceinfan.4)开车时进口调节门未关严4)Inletadjustablevalveisnottightlyclosedduringstart-up.5)电动机输入电压过低或电源单相断电5)Toolowinputvoltageofmotororsingle-phasepoweroffofpowersupply6)受轴承箱振动剧烈的影响6)Effectedbyviolentvibrationofbearingbox1.3.4一次风机体振动1.3.4Vibrationofprimaryairfanbody1)风机与电机轴不同心1)Thefanandmotorarenotconcentric.2)转子与机壳或进风口有碰撞现象2)Rotorcollideswithshellorairinlet.3)由于叶片有积灰、污垢、叶片磨损、叶片变形、主轴弯曲使转子平衡受到破坏3)Thebalanceofrotorisdestroyedowingtoashdeposit,dirt,abrasionanddistortionofbladesandbendingofmainshaft.4)基础不牢固，或地脚螺栓松动4)Foundationisnotfirmorthefoundationboltisloose.5)负荷急剧变化或风机处于喘振区内工作5)Loadseverelychangesorthefanworksinsurgearea.6)叶轮轴孔与主轴配合松动6)Thematchbetweenshaftholeofimpellerandmainshaftisloose.7)机壳与撑脚、轴承箱与底座连接螺栓松动7)Theconnectingboltsofshellandsupportingfootortheconnectingboltsofbearingboxandbaseframeareloose.8)风机进出口管道安装不良，产生共振

8)Inletandoutletpipesoffanarebadlyfitted,whichcausesresonance.1.3.5轴承温升过高1.3.5Over-highbearingtemperaturerise1)轴承箱振动剧烈

1)Severevibrationofbearingbox2)润滑油质量不良或轴承箱油位过低2)Badqualityoflubricatingoilortoolowoillevelofbearingbox2.2二次风机的调试与运行2.2Commissioningandoperationofsecondaryairfan2.2.1二次风机调试前的准备工作2.2.1Preparationbeforecommissioningofsecondaryairfan1）详细检查所有螺栓是否紧固。1)Detailedlyinspectwhetherallboltsaretightenedornot.2）检查叶轮、进口导叶调节门与电动机的旋转方向是否正确。2)Inspectwhethertherotationdirectionsofimpeller,inletguidevaneadjustablevalveandmotorarecorrectornot.3）检查机壳、进气箱和进出口管道是否遗留下杂物。3）Inspectwhethertheforeignmattersareleftatshell,airintakeboxandinlet/outletpipeornot.4）检查仪表连接是否正确。4)Inspectwhethertheconnectionsofinstrumentsarecorrectornot.2.2.2 二次风机导叶调节门传动机构的调试2.2.2Commissioningofdrivingmechanismofguidevaneadjustablevalveofsecondaryairfan1）在调节门处于关闭位置的情况下，检查调节杆的位置是否正确，规定调节门的相邻叶片必须接触，如果检查下来相邻叶片不互相接触，必须加以调整和固定。1)Undertheconditionthattheadjustablevalveisclosed,inspectwhetherthepositionofadjustablerodiscorrectornot.Prescribethattheadjacentbladesofadjustablevalvemustcontacteachother.Iftheadjacentbladesdonotcontacteachotherafterinspection,theymustbeadjustedandfixed.2）调节门的设计方向与叶轮的旋转方向相同，即在调节门关闭的情况下，介质的预流动方向与叶轮的旋转方向相同。2)Thedesigndirectionofadjustablevalveisthesameasrotarydirectionofimpeller.Thatistosay,undertheconditiontheadjustablevalveisclosed,thepreflowingdirectionofmediumisthesameastherotationdirectionofimpeller.3）必须对传动机构联杆长度进行调节，保证电动执行机构的行程要满足调节门全开和全闭的需要。3)Itmustadjustthelengthoflinkrodofdrivingmechanisminordertoensuretheoperatingprocessofelectricmotoractuatorshouldmeettherequirementsoffullopeningandclosingofadjustablevalve.4)二次风机启动前应关闭出口挡板，空载启动。4)Closeoutletdamperbeforestartupthesecondaryairfanwithnoload.2.2.3二次风机的联动试车2.2.3Interlockcommissioningofsecondaryairfan1）风机应在无载荷的情况下启动，即关闭风机的进口调节门，并将风机出口管道中的阀门开启，以防止电机过载。风机在调节门关闭的情况下，运行时间不得过长。如情况良好，在风机达到额定转速后，再将调节门逐渐开启，以达到风机的设计额定工况点。1)Thefanshouldbestartedundertheconditionofnoload,thatistosay,closetheinletadjustablevalveoffanandopenthevalveintheoutletpipeoffaninordertopreventoverloadofmotor.Undertheconditionthattheadjustablevalveoffanisclosed,theoperatingtimecannotbetoolong.Iftheconditionisgood,graduallyopentheadjustablevalveafterthefanreachesratedrotationspeedsoastoattaindesignratedworkingconditionpointoffan.2.2.3二次风机的联动试车2.2.3Interlockcommissioningofsecondaryairfan1）风机应在无载荷的情况下启动，即关闭风机的进口调节门，并将风机出口管道中的阀门开启，以防止电机过载。风机在调节门关闭的情况下，运行时间不得过长。如情况良好，在风机达到额定转速后，再将调节门逐渐开启，以达到风机的设计额定工况点。1)Thefanshouldbestartedundertheconditionofnoload,thatistosay,closetheinletadjustablevalveoffanandopenthevalveintheoutletpipeoffaninordertopreventoverloadofmotor.Undertheconditionthattheadjustablevalveoffanisclosed,theoperatingtimecannotbetoolong.Iftheconditionisgood,graduallyopentheadjustablevalveafterthefanreachesratedrotationspeedsoastoattaindesignratedworkingconditionpointoffan.2.2.4立即停车事件2.2.4Emergencyshutdown1）风机或电动机启动时有明显的异常现象或摩擦声响。

1)Obviouslyabnormalconditionsorgratingduringthestart-upofmotororfan2）风机轴承温度、轴承的振动超过规定值。2)Thebearingtemperatureandvibrationoffanexceedspecifiedvalue.3）调节门的调节失灵。3)Theadjustmentofadjustablevalvehasafault.4）电动机突然过载。4)Motoroverloadssuddenly.5）涉及人身和机组安全的其它意外情况。5)Othersuddennessrelatedtopersonnelsafetyandunitsafety2.3二次风机的主要故障及原因2.3Mainfaultsofsecondaryairfanandcauses在风机运转过程中，可能发生某些故障，对发生的故障必须迅速查明原及时解决，以防止事故的发生。Intherunningprocessoffan,somefaultsmaytakeplace,andthecausesmustbefoundoutquicklyandthefaultsmustbesolvedintimeinordertopreventtheemergencyfromhappening.二次风量不足2.3.1Insufficientsecondaryairflow管道系统阻力超过风机规定风压Theresistanceofpipelinesystemisbeyondspecifiedairpressureoffan.二次风压不足2.3.2Insufficientsecondaryairpressure管道系统阻力估计过低。Theestimationofresistanceofpipelinesystemistoolow.2.3.3电动机超载2.3.3Overloadofmotor1）风压过低致使风量过大1)Toolowairpressurecausestoobigairflow.2）进口气体温度过低，气体密度过大，使风机压头过高2)Toolowtemperatureofinletairandtoobigdensityofairmaketoohighpressureheadoffan.3）风机内部发生摩擦碰撞现象3)Frictionandcollisiontakeplaceinfan.4）开车时进口调节门未关严4)Inletadjustablevalveisnottightlyclosedduringstart-up.5）电动机输入电压过低或电源单相断电5)Toolowinputvoltageofmotororsingle-phasepoweroffofpowersupply6）受轴承箱振动剧烈的影响6)Effectedbyseverevibrationofbearingbox2.3.4二次风机体振动2.3.4Vibrationofsecondaryairfanbody1）风机与电机轴不同心1)Thefanandshaftofmotorarenotconcentric.2）转子与机壳或进风口有碰撞现象2)Rotorcollideswithshellorairinlet.3）由于叶片有积灰、污垢、叶片磨损、叶片变形、主轴弯曲使转子衡受到破坏3)Thebalanceofrotorisdestroyedowingtoashdeposit,dirt,abrasion,distortionofbladesandbendingofmainshaft.4）基础不牢固，或地脚螺栓松动4)Foundationisnotfirmorthefoundationboltisloose.5）负荷急剧变化或风机处于喘振区内工作5)Loadseverelychangesorthefanworksinsurgearea.6）叶轮轴孔与主轴配合松动6)Thematchbetweenshaftholeofimpellerandmainshaftisloose.7）机壳与撑脚、轴承箱与底座连接螺栓松动7)Theconnectingboltsofshellandsupportingfootortheconnectingboltsofbearingboxandbaseframeareloose.8）风机进出口管道安装不良，产生共振8)Thepipesatinletandoutletareirregularlyinstalled,whichcausesresonance.2.3.5轴承温升过高2.3.5Over-highbearingtemperaturerise1）轴承箱振动剧烈1)Severevibrationofbearing2）润滑油质量不良或轴承箱油位过低2)Badqualityoflubricatingoilortoolowoillevelofbearingbox3.2引风机的调试与运行3.2CommissioningandoperationofIDfan3.2.1引风机调试前的准备工作3.2.1PreparationsbeforecommissioningofIDfan1）详细检查所有螺栓是否紧固。1)Detailedlyinspectifallboltsaretight.2）检查叶轮、进口导叶调节门与电动机的旋转方向是否正确。2)Inspectwhethertherotationdirectionsofimpeller,adjustablevalveofinletimpellerandmotorarecorrectornot.3）检查机壳、进气箱和进出口管道是否遗留下杂物。3)Inspectwhetherforeignmattersareleftattheshell,airintakeboxandinlet/outletpipeornot.4）检查仪表连接是否正确。4)Inspectwhethertheconnectionofinstrumentsiscorrectornot.3)必须对传动机构联杆长度进行调节，保证电动执行机构的行程要满足调节门全开和全闭的需要。3)Itmustadjustthelengthoflinkrodofactuatortoensuretheprogressof3.2.2 引风机导叶调节门传动机构的调试3.2.2CommissioningofdrivingmechanismofguidevaneadjustablevalveofIDfan1）在调节门处于关闭位置的情况下，检查调节杆的位置是否正确，规定调节门的相邻叶片必须接触，如果检查下来相邻片不互相接触，必须加以调整和固定。1)Undertheconditionthattheadjustablevalveisclosed,inspectwhetherthepositionofadjustablerodiscorrectornot.Prescribethattheadjacentbladesofadjustablevalvemustcontacteachother.Iftheadjacentbladesdonotcontacteachotherafterinspection,theymustbeadjustedandfixed.2)调节门的设计方向与叶轮的旋转方向相同，即在调节门关闭的情况下，介质的预流动方向与叶轮的旋转方向相同。2)Thedesigndirectionofadjustablevalveisthesameasrotationdirectionofimpeller,thatistosay,undertheconditionthattheadjustablevalveisclosed,thepreflowingdirectionofmediumisthesameastherotationdirectionimpeller.electricmotoractuatorshouldtallywiththedemandsoffullopeningorfullclosingofadjustablevalve.4)在风机启动之前，调节门必须关闭。4)Theadjustablevalvemustbeclosedbeforethefanisstartedup.3.2.3 引风机的联动试车3.2.3InterlockcommissioningofIDfan1)风机应在无载荷的情况下启动，即关闭风机的进口调节门，并将风机出口管道中的阀门开启，以防止电机过载。风机在调节门关闭的情况下，运行时间不得过长。如情况良好，在风机达到额定转速后，再将调节门逐渐开启，以达到风机的设计额定工况点。1)Thefanshouldbestartedundertheconditionofnoload,thatistosay,closetheinletadjustablevalveoffanandopenthevalveinoutletpipeoffaninordertopreventoverloadofmotor.Undertheconditionthattheadjustablevalveoffanisclosed,theoperatingtimecannotbetoolong.Iftheconditionisgood,graduallyopentheadjustablevalveafterthefanreachesratedrotationspeedsoastoattaindesignratedworkingconditionpointoffan.2)在风机运行过程中，注意监控轴承的温度。轴承的温度在达到稳定之前的最初几个小时之内，温度值会直线上升，但随后会稳定在一个温度值。运行过程中，轴承温升不得超过40℃。注意监控轴承部的均方根振速测定值，其值不得超过4.0mm/s。2)Duringtheoperatingprocessoffan,payattentiontomonitoringthebearingtemperature.Withintheinitialseveralhoursbeforethetemperatureattainsstablelevel,thetemperaturevaluewillrisefastasastraightline,butlateritwillstayatonevalue.Duringoperation,bearingtemperatureshouldnotexceed80℃.Payattentiontomonitoringtheroot-mean-squarevibrationspeeddeterminedvalueofbearinganditsvalueshouldnotexceed4.0mm/s.3)风机的联动试车时间不得低于72小时。3)Thetimeofinterlockcommissioningoffanshouldnotbelessthan72hours.4)风机启动前应关闭出口挡板，空载启动。4)Theoutletdampershouldbeclosedbeforestartuptheprimaryairfan,anditisstartedwithno-load.3.2.4 立即停车事件3.2.4Emergencyshutdown1)风机或电动机启动时有明显的异常现象或摩擦声响。1)Themotororfanhasobviousandabnormalconditionsorgratingduringstart-up.2)风机轴承温度、轴承的振动超过规定值。2)Thebearingtemperatureandvibrationoffanexceedspecifiedvalue.3)调节门的调节失灵。3)Theadjustmentofadjustablevalvehasfault.4 )电动机突然过载。4)Motoroverloadssuddenly.5)涉及人身和机组安全的其它意外情况。5)Othersuddennessrelatedtopersonnelsafetyandunitsafety3.3引风机的主要故障及原因3.3MainfaultsofIDfanandcauses

在风机运转过程中，可能发生某些故障，对发生的故障必须迅速查明原及时解决，以防止事故的发生。Intherunningprocessoffan,somefaultsmaytakeplace,andthecausesmustbefoundoutquicklyandthefaultsmustbesolvedintimeinordertopreventtheemergencyfromhappening.引风量不足3.3.1Insufficientinduceddraftairflow管道系统阻力超过风机规定风压Theresistanceofpipelinesystemexceedsspecifiedairpressureoffan.引风压不足3.3.2Insufficientinduceddraftairpressure管道系统阻力估计过低。Theestimationforresistanceofpipelinesystemistoolow.3.3.3电动机超载3.3.3Overloadofmotor1)风压过低致使风量过大1)Toolowairpressurecausestoobigairflow.2)进口气体温度过低，气体密度过大，使风机压头过高2)Toolowtemperatureofinletairandtoobigdensityofairmaketoohighpressureheadoffan.3)风机内部发生摩擦碰撞现象3)Frictionandcollisiontakeplaceinfan.4)开车时进口调节门未关严4)Inletadjustablevalveisnottightlyclosedduringstart-up.5)电动机输入电压过低或电源单相断电5)Toolowinputvoltageofmotororsingle-phasepoweroffofpowersupply6)受轴承箱振动剧烈的影响6)Effectedbyexquisitevibrationofbearingbox3.3.4引风机体振动3.3.4VibrationofIDfan1)风机与电机轴不同心1)Thefanandmotorarenotconcentric.2)转子与机壳或进风口有碰撞现象2)Rotorcollideswithshellorairinlet.3)由于叶片有积灰、污垢、叶片磨损、叶片变形、主轴弯曲使转子平衡受到破坏3)Thebalanceofrotorisdestroyedowingtoashdeposit,dirt,abrasion,distortionofbladesandbendingofmainshaft.4)基础不牢固，或地脚螺栓松动4)

Foundationisnotfirmorthefoundationboltisloose.5)负荷急剧变化或风机处于喘振区内工作5)Loadseverelychangesorthefanworksinsurgearea.6)叶轮轴孔与主轴配合松动6)Thematchbetweenshaftholeofimpellerandmainshaftisloose.7)机壳与撑脚、轴承箱与底座连接螺栓松动7)Theconnectingboltsofshellandsupportingfootortheconnectingboltsbearingboxandbaseseatareloose.8)风机进出口管道安装不良，产生共振8)Inletandoutletpipesoffanarebadlyfitted,whichcausesresonance.3.3.5轴承温升过高3.3.5Over-highbearingtemperaturerise1)轴承箱振动剧烈 1)Severevibrationofbearingbox2)润滑油质量不良或轴承箱油位过低2)Badqualityoflubricatingoilortoolowoillevelofbearingbox1.2增压风机的调试与运行

1.2Commissionandoperationofboosterfan

1.2.1 增压风机调试前的准备工作1.2.1Preparationworkbeforeboosterfancommission1）详细检查所有螺栓是否紧固。1)Thoroughlycheckwhetheralltheboltsarefastened.2）检查叶轮、进口导叶调节门与电动机的旋转方向是否正确。2)Checkwhethertherotationdirectionsofimpeller,governingvalveofinletguidevaneandthegeneratorareright.3）检查机壳和进出口管道是否遗留下杂物。3)Checkwhetherimpuritiesremainintheenclosure,inletandoutletpipes.4）检查仪表连接是否正确。4)Checkwhethertheinstrumentsconnectionisright.1.2.2 增压风机导叶调节门传动机构的调试1.2.2Thecommissionofdrivingorganontheguidevanegoverningvalveofboosterfan1）在调节门处于关闭位置的情况下，检查调节杆的位置是否正确，规定调节门的相邻叶片必须接触，如果检查下来相邻叶片不互相接触，必须加以调整和固定。1）Asthegoverningvalveisclosed,checkwhetherthepositionofadjustingrodiscorrect,itisregulatedthattheadjacentbladesofgoverningvalvemustconnectwitheachother,otherwise,theymustbeadjustedandfastened.2）调节门的设计方向与叶轮的旋转方向相同，即在调节门关闭的情况下，介质的预流动方向与叶轮的旋转方向相同。2）Thedesigndirectionofgoverningvalveshouldbethesameastherotationdirectionofimpeller,thatistosay,asthegoverningvalveisclosed,thepreflowingdirectionofmediumshouldbethesameastherotationdirectionofimpeller.3）必须对传动机构联杆长度进行调节，保证电动执行机构的行程要满足调节门全开和全闭的需要。3)Itisrequiredtoadjustthelinklengthofdrivingorgantoensurethestrokeofelectricactuatortosatisfytherequirementsoffullopeningandclosingofgoverningvalve.4）在风机启动之前，调节门必须关闭。4)Thegoverningvalvemustbeclosedbeforethefanisstarted.1.2.3 增压风机的联动试车1.2.3Interlockedtestrunningofboosterfan1） 风机应在无载荷的情况下启动，即关闭风机的进口调节门，并将风机出口管道中的阀门开启，以防止电机过载。风机在调节门关闭的情况下，运行时间不得过长。如情况良好，在风机达到额定转速后，再将调节门逐渐开启，以达到风机的设计额定工况点。1)Thefanshouldbestartedinano-loadcondition,thatistosay,closetheinletgoverningvalveoffanandstartupthevalveintheoutletpipeoffantoavoidoverloadofmotor.Asthegoverningvalveisclosed,theoperationtimeoffanshouldnotbetoolong.Iftheconditionisgood,graduallystartthegoverningvalveafterthefanhasachievedtheratedrotationspeedtoreachthedesignratedoperationpointoffan.2） 在风机运行过程中，注意监控轴承的温度。轴承的温度在达到稳定之前的最初几个小时之内，温度值会直线上升，但随后会稳定在一个温度值。运行过程中，轴承温升不得超过80℃。注意监控轴承部的均方根振速测定值，其值不得超过4.0mm/s。2)Intheprocessoffanoperation,payattentiontosupervisingthetemperatureofbearing,whichwillriseinastraightlineinthefirstseveralhoursbeforebecomingstable,however,itwillbestableatacertainvalue.Thebearingtemperatureshouldnotexceed80℃intheprocessofoperation.Trytomonitortherootmeansquaremeasuredvalueofvibrationspeed,whichshouldnotbeover4.0mm/s.3）风机的联动试车时间不得低于72小时。3)Theinterlockedtestrunningtimeoffanshouldbenolessthan72hours.4）增压风机应投焦之前启动。4)Boosterfanshouldbestartedbeforefeedingspongecoal.5）风压、风量根据播焦情况来调节风道旁路。5)Forairpressureandairflow,adjusttheairductbypassaccordingtocoalspreadingconditions.1.2.4立即停车事件1.2.4Immediateshutdownaccident1）风机或电动机启动时有明显的异常现象或摩擦声响。1)Obviousabnormalphenomenonorfractionsoundisfoundasthefanormotorisstarted.2）风机轴承温度、轴承的振动超过规定值。Thebearingtemperatureandvibrationoffanexceedthestatedvalue.3）调节门的调节失灵。Theadjustmentofgoverningvalveisoutofwork.4）电动机突然过载。Suddenoverloadofmotorhappens.5）涉及人身和机组安全的其它意外情况Otheraccidentsinvolvepersonnelandunitsafety.

增压风机的主要故障及原因

1.3Mainfaultsofboosterfanandcauses

在风机运转过程中，可能发生某些故障，对发生的故障必须迅速查明原因，及时解决，以防止事故的发生。Somefaultsmayhappenintheprocessoffanoperation,findoutthecausesimmediatelyandmakesolutionintimetoavoidaccidents.增压风量不足1.3.1Insufficientboostairflow管道系统阻力超过风机规定风压。Resistanceinpipelinesystemexceedsthestipulatedairpressureoffan.增压风压不足1.3.2Insufficientboostairpressure管道系统阻力估计过低。Theresistanceinpipelinesystemisestimatedtoolow.1.3.3电动机超载1.3.3Overloadofmotor1）风压过低致使风量过大1)Toolowairpressuremakesairflowtoolarge.2）进口气体温度过低，气体密度过大，使风机压头过高2)Toolowinletairtemperatureandtoolargeairdensitymakefanpressureheadtoohigh.3）风机内部发生摩擦碰撞现象Frictionandcollisionphenomenahappeninsidethefan.4）开车时进口调节门未关严4)Theinletgoverningvalveisnotclosedtightlyduringstartup.5）电动机输入电压过低或电源单相断电5)Inputvoltageofmotoristooloworsinglephaseofpowersupplyisoutofpower.6）受轴承箱振动剧烈的影响6)Itisaffectedbyviolentvibrationofbearingbox.1.3.4增压风机体振动1.3.4Vibrationofboosterfanbody1）风机与电机轴不同心1)Fanandmotorshaftsarenotconcentric.2）转子与机壳或进风口有碰撞现象2)Collisionphenomenonhappensbetweenrotor,enclosureorairinlet.3）由于叶片有积灰、污垢、叶片磨损、叶片变形、主轴弯曲使转子平衡受到破坏Rotorbalanceisdamagedarisingfromashaccumulationanddirtonblades,bladedeformationandmainshaftbending.4）基础不牢固，或地脚螺栓松动4)Thebaseisnotsolid,oranchorboltsareloose.5）负荷急剧变化或风机处于喘振区内工作5)Loadchangesdramaticallyorfanworksinthesurgingarea.6）叶轮轴孔与主轴配合松动6)Thecombinationbetweenimpellershaftholeandmainshaftlooses.7）机壳与撑脚、轴承箱与底座连接螺栓松动7)Connectingboltsbetweenenclosureandsupport,bearingboxandchassisloose.8）风机进出口管道安装不良，产生共振Theinletandoutletpipesoffanareproperlyinstalled,producingresonance.1.3.5轴承温升过高1.3.5Toohighriseofbearingtemperature1）轴承箱振动剧烈1)Bearingboxvibratesacutely.2）润滑油质量不良或轴承箱油位过低2)Lubricatingoilqualityisbadoroillevelofbearingboxistoolow.3.4风机的维护3.4Maintenanceforairfan运行过程中的维护3.4.1Maintenanceduringoperation运行过程中的维护在运行过程中，每隔一小时应将所有仪表的读数做好记录，如发现与上次记录有急剧变化时，应立即查明原因并排除。特别要注意对轴承温度、冷却水情况、运行的稳定性以及轴承箱部的油封的定期检查。此举的目的是为了保持风机良好的运行状况直至计划停机。Intheprocessofoperation,recordreadingsofallinstrumentseveryotherhour.Iffindthereadingchangesseverelyaftercompareitwithlastreading,findoutthereasonandeliminateitatonce.Especiallypayattentiontobearingtemperature,conditionofcoolingwater,stabilityofoperationandperiodicalinspectionforoilsealofbearingbox.Thisaimstokeepgoodoperatingconditionoffanuntil

plannedshutdown.临时停机期间的检修3.4.2Maintenanceduringtemporaryshutdown如果机组的其它设备在风机计划处停机，那么这个机会应用于风机的检修。风机主要的磨损件（密封、轴承等）需借此机会检查一下。手工清除叶轮杂质，检查叶轮的磨损状况。Ifotherdevicesofunitshutdowninaplannedsituation,thischanceshouldapplytomaintenanceoffan.Themainwearingparts(suchasseal,bearingandsoon)offanneedtobecheckedbythischance.Manuallygetridofforeignmattersofimpellerandchecktheabrasionofit.计划停机期间的检修3.4.3Maintenanceintheperiodofplannedshutdown计划停机时间的检修计划停机时间，所做的工作应使风机能够无故障运行到下一个计划停机期。我们建议做如下工作：Duringtheperiodofplannedshutdown,theworkistomakethefanoperatetonextperiodofplannedshutdownwithoutfault.Wesuggestthatfollowingworksshouldbedone:1)检查叶轮杂质并清除1)Checkandeliminateforeignmattersofimpeller.2)检查叶轮的磨损状况2)Checktheabrasionofimpeller.3)更换轴承的润滑油3)Replacethelubricatingoilofbearing.4)检查风机各处密封，如损坏则更换4)Checkallsealsoffan,andreplacedamagedones.5)检查联轴器的性能5)Checktheperformanceofcoupling.6)检查膨胀节的磨损情况6)Checktheabrasionofexpansionjoint.7)清理风机机壳、进气箱及管道风机进行试运转后，完成检修。7)Cleantheshelloffan,airintakeboxandpipes.Themaintenanceisfinishedafterthecommissioningoffanisdone.1.锅炉的巡回检查1.Patrolinspectionofboiler

巡回检查路线1.1Patrolinspectionline控制室――给水平台――给焦机――下焦口――送、引风机――排渣机――电除尘器――油库――锅炉本体锅炉――水位计――压力表――膨胀指示器――控制室Controlroom–feedwaterplatform—coalfeeder---coaldownspout—IDfan,FDfan---slagdischargingmachine---ESP---fueloilstoreroom—boilerproper---waterlevelmeter---pressuremeter---expansionindicator---controlroom1.2巡回检查项目内容1.2Itemsandcontentofpatrolinspection1)锅炉膨胀节：检查膨胀节有无泄漏，磨损，法兰螺丝的松动，保险杆位置对正，拉紧。

1)Boilerexpansionjoint:inspectwhethertheexpansionjointleaksorisabradedornot,whetherthescrewofflangeislooseornotandwhetherthepositionofsafetyrodalignsandstrainsornot.2）锅炉汽包：检查锅炉汽包连接有无泄漏，检查汽包上的压力表，并于控制室的压力进行校对，检查连排阀是否有泄漏，检查各水位计是否清晰，并正常投入，检查安全门是否备用和泄漏，是否有异物卡设现象。2)Boilersteamdrum:inspectwhethertheconnecti