鍋爐各轉(zhuǎn)動(dòng)機(jī)械軸承冷卻水系統(tǒng)

鍋爐各轉(zhuǎn)動(dòng)機(jī)械軸承冷卻水系統(tǒng)BoilerrotarymechanicalbearingCoolingwatersystem1.2一次風(fēng)機(jī)的調(diào)試與運(yùn)行1.2Commissioningandoperationofprimaryairfan1.2.1 一次風(fēng)機(jī)調(diào)試前的準(zhǔn)備工作1.2.1Preparationbeforecommissioningofprimaryairfan1)詳細(xì)檢查所有螺栓是否緊固。1）Detailedlyinspectwhetherallboltsaretightenedornot.2)檢查葉輪、進(jìn)口導(dǎo)葉調(diào)節(jié)門(mén)與電動(dòng)機(jī)的旋轉(zhuǎn)方向是否正確。2)Inspectwhethertherotationdirectionsofimpeller,adjustablevalveofinletimpellerandmotorarecorrectornot.3)檢查機(jī)殼、進(jìn)氣箱和進(jìn)出口管道是否遺留下雜物。

3)Inspectwhetherforeignmattersareleftattheshell,airintakeboxandinlet/outletpipeornot.4)檢查儀表連接是否正確。4)Inspectwhethertheconnectionofinstrumentiscorrectornot.5) 在調(diào)節(jié)門(mén)處于關(guān)閉位置的情況下，檢查調(diào)節(jié)桿的位置是否正確，調(diào)節(jié)門(mén)的相鄰葉片必須接觸，如果檢查下來(lái)相鄰葉片不互相接觸，必須加以調(diào)整和固定。5)Undertheconditionthattheadjustablevalveisclosed,inspectwhetherthepositionofadjustablerodiscorrectornot.Theadjacentbladesofadjustablevalvemustcontacteachother.Iftheadjacentbladesdonotcontacteachotherafterinspection,theymustbeadjustedandfixed.6)調(diào)節(jié)門(mén)的設(shè)計(jì)方向與葉輪的旋轉(zhuǎn)方向相同，即在調(diào)節(jié)門(mén)關(guān)閉的情況下，介質(zhì)的預(yù)流動(dòng)方向與葉輪的旋轉(zhuǎn)方向相同。6)Thedesigndirectionofadjustablevalveisthesameasrotarydirectionofimpeller,thatistosay,undertheconditionthattheadjustablevalveisclosed,thepreflowingdirectionofmediumisthesameasrotationdirectionofimpeller.7)必須對(duì)傳動(dòng)機(jī)構(gòu)聯(lián)桿長(zhǎng)度進(jìn)行調(diào)節(jié)，保證電動(dòng)執(zhí)行機(jī)構(gòu)的行程要滿足調(diào)節(jié)門(mén)全開(kāi)和全閉的需要。7)Itmustadjustthelengthoflinkrodofactuatortoensurethestrokingofelectricmotoractuatorshouldtallywiththedemandsoffullopeningorfullclosingofadjustablevalve.8)在風(fēng)機(jī)啟動(dòng)之前，調(diào)節(jié)門(mén)必須關(guān)閉。8)Theadjustablevalvemustbeclosedbeforethefanisstartedup.1.2.2一次風(fēng)機(jī)導(dǎo)葉調(diào)節(jié)門(mén)傳動(dòng)機(jī)構(gòu)的調(diào)試1.2.2Commissioningofdrivingmechanismofguidevaneadjustablevalveofprimaryairfan1)在調(diào)節(jié)門(mén)處于關(guān)閉位置的情況下，檢查調(diào)節(jié)桿的位置是否正確，規(guī)定調(diào)節(jié)門(mén)的相鄰葉片必須接觸，如果檢查下來(lái)相鄰葉片不互相接觸，必須加以調(diào)整和固定。1)Undertheconditionthattheadjustablevalveisclosed,inspectwhetherthepositionofadjustablerodiscorrectornot.Prescribethattheadjacentbladesofadjustablevalvemustcontacteachother.Iftheadjacentbladesdonotcontacteachotherafterinspection,theymustbeadjustedandfixed.2)調(diào)節(jié)門(mén)的設(shè)計(jì)方向與葉輪的旋轉(zhuǎn)方向相同，即在調(diào)節(jié)門(mén)關(guān)閉的情況下，介質(zhì)的預(yù)流動(dòng)方向與葉輪的旋轉(zhuǎn)方向相同。2)Thedesigndirectionofadjustablevalveisthesameasrotarydirectionofimpeller,thatistosay,undertheconditionthattheadjustablevalveisclosed,thepreflowingdirectionofmediumisthesameastherotationdirectionofimpeller.3)必須對(duì)傳動(dòng)機(jī)構(gòu)聯(lián)桿長(zhǎng)度進(jìn)行調(diào)節(jié)，保證電動(dòng)執(zhí)行機(jī)構(gòu)的行程要滿足調(diào)節(jié)門(mén)全開(kāi)和全閉的需要。3)Itmustadjustthelengthoflinkrodofactuatortoensurethestrokingofelectricmotoractuatorshouldtallywiththedemandsoffullopeningandfullclosingofadjustablevalve.4)在風(fēng)機(jī)啟動(dòng)之前，調(diào)節(jié)門(mén)必須關(guān)閉。4)Theadjustablevalvemustbeclosedbeforestartupthefan.1.2.3 一次風(fēng)機(jī)的聯(lián)動(dòng)試車1.2.3Interlockcommissioningofprimaryairfan1)風(fēng)機(jī)應(yīng)在無(wú)載荷的情況下啟動(dòng)，即關(guān)閉風(fēng)機(jī)的進(jìn)口調(diào)節(jié)門(mén)，并將風(fēng)機(jī)出口管道中的閥門(mén)開(kāi)啟，以防止電機(jī)過(guò)載。風(fēng)機(jī)在調(diào)節(jié)門(mén)關(guān)閉的情況下，運(yùn)行時(shí)間不得過(guò)長(zhǎng)。如情況良好，在風(fēng)機(jī)達(dá)到額定轉(zhuǎn)速后，再將調(diào)節(jié)門(mén)逐漸開(kāi)啟，以達(dá)到風(fēng)機(jī)的設(shè)計(jì)額定工況點(diǎn)。1)Thefanshouldbestartedundertheconditionofnoload,thatistosay,closetheinletadjustablevalveoffanandopenthevalveinoutletpipeoffaninordertopreventoverloadofmotor.Undertheconditionthattheadjustablevalveoffanisclosed,theoperationtimecannotbetoolong.Iftheconditionisgood,graduallyopentheadjustablevalveafterthefanreachesratedrotationspeedsoastoattaindesignratedworkingconditionpointoffan.2)在風(fēng)機(jī)運(yùn)行過(guò)程中，注意監(jiān)控軸承的溫度。軸承的溫度在達(dá)到穩(wěn)定之前的最初幾個(gè)小時(shí)之內(nèi)，溫度值會(huì)直線上升，但隨后會(huì)穩(wěn)定在一個(gè)溫度值。運(yùn)行過(guò)程中，軸承溫升不得超過(guò)40℃。注意監(jiān)控軸承部的均方根振速測(cè)定值，其值不得超過(guò)4.0mm/s。2)Duringtheoperatingprocessoffan,payattentiontomonitoringthebearingtemperature.Withintheinitialseveralhoursbeforethetemperatureattainsstablelevel,thetemperaturevaluewillrisefastasastraightline,butlateritwillstayatonevalue.Duringoperation,bearingtemperatureshouldnotexceed80℃.Payattentiontomonitoringtheroot-mean-squarevibrationspeeddeterminedvalueofbearinganditsvalueshouldnotexceed4.0mm/s.3)風(fēng)機(jī)的聯(lián)動(dòng)試車時(shí)間不得低于72小時(shí)。3)Thetimeofinterlockcommissioningoffanshouldnotbelessthan72hours.4)一次風(fēng)機(jī)啟動(dòng)前應(yīng)關(guān)閉出口擋板，空載啟動(dòng)。4)Theoutletdampershouldbeclosedbeforestartuptheprimaryairfan,anditisstartedwithno-load.5）投入一次風(fēng)機(jī)動(dòng)力電源，軟啟動(dòng)。

5)Putindynamicpowersupplyofprimaryairfan,softstart-up.6）開(kāi)啟一次風(fēng)機(jī)出口擋板。

6)Opentheoutletdamperofprimaryairfan.7）正常停爐時(shí)可反相操作。

7)Duringnormalshutdown,itcanbeoperatedinainverseorder.1.2.4 立即停車事件1.2.4Emergencyshutdown1)風(fēng)機(jī)或電動(dòng)機(jī)啟動(dòng)時(shí)有明顯的異?，F(xiàn)象或摩擦聲響。

1)Themotororfanhasobviousandabnormalconditionsorgratingduringthestart-up.2)風(fēng)機(jī)軸承溫度、軸承的振動(dòng)超過(guò)規(guī)定值。2)Thebearingtemperatureandvibrationoffanexceedspecifiedvalue.3)調(diào)節(jié)門(mén)的調(diào)節(jié)失靈。3)Theadjustmentofadjustablevalvehasfault.4)電動(dòng)機(jī)突然過(guò)載。4)Motoroverloadssuddenly.5)涉及人身和機(jī)組安全的其它意外情況。5)Othersuddennessrelatedtopersonnelsafetyandunitsafety1.3一次風(fēng)機(jī)的主要故障及原因1.3Mainfaultsofprimaryairfanandcauses在風(fēng)機(jī)運(yùn)轉(zhuǎn)過(guò)程中，可能發(fā)生某些故障，對(duì)發(fā)生的故障必須迅速查明原因，及時(shí)解決，以防止事故的發(fā)生。

Intherunningprocessoffan,somefaultsmaytakeplace,andthecausesmustbefoundoutquicklyandthefaultsmustbesolvedintimeinordertopreventtheemergencyfromhappening.一次風(fēng)量不足1.3.1Insufficientprimaryairflow管道系統(tǒng)阻力超過(guò)風(fēng)機(jī)規(guī)定風(fēng)壓Theresistanceofpipelinesystemisbeyondspecifiedairpressureoffan.一次風(fēng)壓不足1.3.2Insufficientairpressure管道系統(tǒng)阻力估計(jì)過(guò)低Theestimationforresistanceofpipelinesystemistoolow.1.3.3電動(dòng)機(jī)超載1.3.3Overloadofmotor1)風(fēng)壓過(guò)低致使風(fēng)量過(guò)大1)Toolowairpressurecausestoobigairflow.2)進(jìn)口氣體溫度過(guò)低，氣體密度過(guò)大，使風(fēng)機(jī)壓頭過(guò)高2)Toolowtemperatureofinletairandtoobigdensityofaircausetoohighpressureheadoffan.3)風(fēng)機(jī)內(nèi)部發(fā)生摩擦碰撞現(xiàn)象3)Frictionandcollisiontakeplaceinfan.4)開(kāi)車時(shí)進(jìn)口調(diào)節(jié)門(mén)未關(guān)嚴(yán)4)Inletadjustablevalveisnottightlyclosedduringstart-up.5)電動(dòng)機(jī)輸入電壓過(guò)低或電源單相斷電5)Toolowinputvoltageofmotororsingle-phasepoweroffofpowersupply6)受軸承箱振動(dòng)劇烈的影響6)Effectedbyviolentvibrationofbearingbox1.3.4一次風(fēng)機(jī)體振動(dòng)1.3.4Vibrationofprimaryairfanbody1)風(fēng)機(jī)與電機(jī)軸不同心1)Thefanandmotorarenotconcentric.2)轉(zhuǎn)子與機(jī)殼或進(jìn)風(fēng)口有碰撞現(xiàn)象2)Rotorcollideswithshellorairinlet.3)由于葉片有積灰、污垢、葉片磨損、葉片變形、主軸彎曲使轉(zhuǎn)子平衡受到破壞3)Thebalanceofrotorisdestroyedowingtoashdeposit,dirt,abrasionanddistortionofbladesandbendingofmainshaft.4)基礎(chǔ)不牢固，或地腳螺栓松動(dòng)4)Foundationisnotfirmorthefoundationboltisloose.5)負(fù)荷急劇變化或風(fēng)機(jī)處于喘振區(qū)內(nèi)工作5)Loadseverelychangesorthefanworksinsurgearea.6)葉輪軸孔與主軸配合松動(dòng)6)Thematchbetweenshaftholeofimpellerandmainshaftisloose.7)機(jī)殼與撐腳、軸承箱與底座連接螺栓松動(dòng)7)Theconnectingboltsofshellandsupportingfootortheconnectingboltsofbearingboxandbaseframeareloose.8)風(fēng)機(jī)進(jìn)出口管道安裝不良，產(chǎn)生共振

8)Inletandoutletpipesoffanarebadlyfitted,whichcausesresonance.1.3.5軸承溫升過(guò)高1.3.5Over-highbearingtemperaturerise1)軸承箱振動(dòng)劇烈

1)Severevibrationofbearingbox2)潤(rùn)滑油質(zhì)量不良或軸承箱油位過(guò)低2)Badqualityoflubricatingoilortoolowoillevelofbearingbox2.2二次風(fēng)機(jī)的調(diào)試與運(yùn)行2.2Commissioningandoperationofsecondaryairfan2.2.1二次風(fēng)機(jī)調(diào)試前的準(zhǔn)備工作2.2.1Preparationbeforecommissioningofsecondaryairfan1）詳細(xì)檢查所有螺栓是否緊固。1)Detailedlyinspectwhetherallboltsaretightenedornot.2）檢查葉輪、進(jìn)口導(dǎo)葉調(diào)節(jié)門(mén)與電動(dòng)機(jī)的旋轉(zhuǎn)方向是否正確。2)Inspectwhethertherotationdirectionsofimpeller,inletguidevaneadjustablevalveandmotorarecorrectornot.3）檢查機(jī)殼、進(jìn)氣箱和進(jìn)出口管道是否遺留下雜物。3）Inspectwhethertheforeignmattersareleftatshell,airintakeboxandinlet/outletpipeornot.4）檢查儀表連接是否正確。4)Inspectwhethertheconnectionsofinstrumentsarecorrectornot.2.2.2 二次風(fēng)機(jī)導(dǎo)葉調(diào)節(jié)門(mén)傳動(dòng)機(jī)構(gòu)的調(diào)試2.2.2Commissioningofdrivingmechanismofguidevaneadjustablevalveofsecondaryairfan1）在調(diào)節(jié)門(mén)處于關(guān)閉位置的情況下，檢查調(diào)節(jié)桿的位置是否正確，規(guī)定調(diào)節(jié)門(mén)的相鄰葉片必須接觸，如果檢查下來(lái)相鄰葉片不互相接觸，必須加以調(diào)整和固定。1)Undertheconditionthattheadjustablevalveisclosed,inspectwhetherthepositionofadjustablerodiscorrectornot.Prescribethattheadjacentbladesofadjustablevalvemustcontacteachother.Iftheadjacentbladesdonotcontacteachotherafterinspection,theymustbeadjustedandfixed.2）調(diào)節(jié)門(mén)的設(shè)計(jì)方向與葉輪的旋轉(zhuǎn)方向相同，即在調(diào)節(jié)門(mén)關(guān)閉的情況下，介質(zhì)的預(yù)流動(dòng)方向與葉輪的旋轉(zhuǎn)方向相同。2)Thedesigndirectionofadjustablevalveisthesameasrotarydirectionofimpeller.Thatistosay,undertheconditiontheadjustablevalveisclosed,thepreflowingdirectionofmediumisthesameastherotationdirectionofimpeller.3）必須對(duì)傳動(dòng)機(jī)構(gòu)聯(lián)桿長(zhǎng)度進(jìn)行調(diào)節(jié)，保證電動(dòng)執(zhí)行機(jī)構(gòu)的行程要滿足調(diào)節(jié)門(mén)全開(kāi)和全閉的需要。3)Itmustadjustthelengthoflinkrodofdrivingmechanisminordertoensuretheoperatingprocessofelectricmotoractuatorshouldmeettherequirementsoffullopeningandclosingofadjustablevalve.4)二次風(fēng)機(jī)啟動(dòng)前應(yīng)關(guān)閉出口擋板，空載啟動(dòng)。4)Closeoutletdamperbeforestartupthesecondaryairfanwithnoload.2.2.3二次風(fēng)機(jī)的聯(lián)動(dòng)試車2.2.3Interlockcommissioningofsecondaryairfan1）風(fēng)機(jī)應(yīng)在無(wú)載荷的情況下啟動(dòng)，即關(guān)閉風(fēng)機(jī)的進(jìn)口調(diào)節(jié)門(mén)，并將風(fēng)機(jī)出口管道中的閥門(mén)開(kāi)啟，以防止電機(jī)過(guò)載。風(fēng)機(jī)在調(diào)節(jié)門(mén)關(guān)閉的情況下，運(yùn)行時(shí)間不得過(guò)長(zhǎng)。如情況良好，在風(fēng)機(jī)達(dá)到額定轉(zhuǎn)速后，再將調(diào)節(jié)門(mén)逐漸開(kāi)啟，以達(dá)到風(fēng)機(jī)的設(shè)計(jì)額定工況點(diǎn)。1)Thefanshouldbestartedundertheconditionofnoload,thatistosay,closetheinletadjustablevalveoffanandopenthevalveintheoutletpipeoffaninordertopreventoverloadofmotor.Undertheconditionthattheadjustablevalveoffanisclosed,theoperatingtimecannotbetoolong.Iftheconditionisgood,graduallyopentheadjustablevalveafterthefanreachesratedrotationspeedsoastoattaindesignratedworkingconditionpointoffan.2.2.3二次風(fēng)機(jī)的聯(lián)動(dòng)試車2.2.3Interlockcommissioningofsecondaryairfan1）風(fēng)機(jī)應(yīng)在無(wú)載荷的情況下啟動(dòng)，即關(guān)閉風(fēng)機(jī)的進(jìn)口調(diào)節(jié)門(mén)，并將風(fēng)機(jī)出口管道中的閥門(mén)開(kāi)啟，以防止電機(jī)過(guò)載。風(fēng)機(jī)在調(diào)節(jié)門(mén)關(guān)閉的情況下，運(yùn)行時(shí)間不得過(guò)長(zhǎng)。如情況良好，在風(fēng)機(jī)達(dá)到額定轉(zhuǎn)速后，再將調(diào)節(jié)門(mén)逐漸開(kāi)啟，以達(dá)到風(fēng)機(jī)的設(shè)計(jì)額定工況點(diǎn)。1)Thefanshouldbestartedundertheconditionofnoload,thatistosay,closetheinletadjustablevalveoffanandopenthevalveintheoutletpipeoffaninordertopreventoverloadofmotor.Undertheconditionthattheadjustablevalveoffanisclosed,theoperatingtimecannotbetoolong.Iftheconditionisgood,graduallyopentheadjustablevalveafterthefanreachesratedrotationspeedsoastoattaindesignratedworkingconditionpointoffan.2.2.4立即停車事件2.2.4Emergencyshutdown1）風(fēng)機(jī)或電動(dòng)機(jī)啟動(dòng)時(shí)有明顯的異?，F(xiàn)象或摩擦聲響。

1)Obviouslyabnormalconditionsorgratingduringthestart-upofmotororfan2）風(fēng)機(jī)軸承溫度、軸承的振動(dòng)超過(guò)規(guī)定值。2)Thebearingtemperatureandvibrationoffanexceedspecifiedvalue.3）調(diào)節(jié)門(mén)的調(diào)節(jié)失靈。3)Theadjustmentofadjustablevalvehasafault.4）電動(dòng)機(jī)突然過(guò)載。4)Motoroverloadssuddenly.5）涉及人身和機(jī)組安全的其它意外情況。5)Othersuddennessrelatedtopersonnelsafetyandunitsafety2.3二次風(fēng)機(jī)的主要故障及原因2.3Mainfaultsofsecondaryairfanandcauses在風(fēng)機(jī)運(yùn)轉(zhuǎn)過(guò)程中，可能發(fā)生某些故障，對(duì)發(fā)生的故障必須迅速查明原及時(shí)解決，以防止事故的發(fā)生。Intherunningprocessoffan,somefaultsmaytakeplace,andthecausesmustbefoundoutquicklyandthefaultsmustbesolvedintimeinordertopreventtheemergencyfromhappening.二次風(fēng)量不足2.3.1Insufficientsecondaryairflow管道系統(tǒng)阻力超過(guò)風(fēng)機(jī)規(guī)定風(fēng)壓Theresistanceofpipelinesystemisbeyondspecifiedairpressureoffan.二次風(fēng)壓不足2.3.2Insufficientsecondaryairpressure管道系統(tǒng)阻力估計(jì)過(guò)低。Theestimationofresistanceofpipelinesystemistoolow.2.3.3電動(dòng)機(jī)超載2.3.3Overloadofmotor1）風(fēng)壓過(guò)低致使風(fēng)量過(guò)大1)Toolowairpressurecausestoobigairflow.2）進(jìn)口氣體溫度過(guò)低，氣體密度過(guò)大，使風(fēng)機(jī)壓頭過(guò)高2)Toolowtemperatureofinletairandtoobigdensityofairmaketoohighpressureheadoffan.3）風(fēng)機(jī)內(nèi)部發(fā)生摩擦碰撞現(xiàn)象3)Frictionandcollisiontakeplaceinfan.4）開(kāi)車時(shí)進(jìn)口調(diào)節(jié)門(mén)未關(guān)嚴(yán)4)Inletadjustablevalveisnottightlyclosedduringstart-up.5）電動(dòng)機(jī)輸入電壓過(guò)低或電源單相斷電5)Toolowinputvoltageofmotororsingle-phasepoweroffofpowersupply6）受軸承箱振動(dòng)劇烈的影響6)Effectedbyseverevibrationofbearingbox2.3.4二次風(fēng)機(jī)體振動(dòng)2.3.4Vibrationofsecondaryairfanbody1）風(fēng)機(jī)與電機(jī)軸不同心1)Thefanandshaftofmotorarenotconcentric.2）轉(zhuǎn)子與機(jī)殼或進(jìn)風(fēng)口有碰撞現(xiàn)象2)Rotorcollideswithshellorairinlet.3）由于葉片有積灰、污垢、葉片磨損、葉片變形、主軸彎曲使轉(zhuǎn)子衡受到破壞3)Thebalanceofrotorisdestroyedowingtoashdeposit,dirt,abrasion,distortionofbladesandbendingofmainshaft.4）基礎(chǔ)不牢固，或地腳螺栓松動(dòng)4)Foundationisnotfirmorthefoundationboltisloose.5）負(fù)荷急劇變化或風(fēng)機(jī)處于喘振區(qū)內(nèi)工作5)Loadseverelychangesorthefanworksinsurgearea.6）葉輪軸孔與主軸配合松動(dòng)6)Thematchbetweenshaftholeofimpellerandmainshaftisloose.7）機(jī)殼與撐腳、軸承箱與底座連接螺栓松動(dòng)7)Theconnectingboltsofshellandsupportingfootortheconnectingboltsofbearingboxandbaseframeareloose.8）風(fēng)機(jī)進(jìn)出口管道安裝不良，產(chǎn)生共振8)Thepipesatinletandoutletareirregularlyinstalled,whichcausesresonance.2.3.5軸承溫升過(guò)高2.3.5Over-highbearingtemperaturerise1）軸承箱振動(dòng)劇烈1)Severevibrationofbearing2）潤(rùn)滑油質(zhì)量不良或軸承箱油位過(guò)低2)Badqualityoflubricatingoilortoolowoillevelofbearingbox3.2引風(fēng)機(jī)的調(diào)試與運(yùn)行3.2CommissioningandoperationofIDfan3.2.1引風(fēng)機(jī)調(diào)試前的準(zhǔn)備工作3.2.1PreparationsbeforecommissioningofIDfan1）詳細(xì)檢查所有螺栓是否緊固。1)Detailedlyinspectifallboltsaretight.2）檢查葉輪、進(jìn)口導(dǎo)葉調(diào)節(jié)門(mén)與電動(dòng)機(jī)的旋轉(zhuǎn)方向是否正確。2)Inspectwhethertherotationdirectionsofimpeller,adjustablevalveofinletimpellerandmotorarecorrectornot.3）檢查機(jī)殼、進(jìn)氣箱和進(jìn)出口管道是否遺留下雜物。3)Inspectwhetherforeignmattersareleftattheshell,airintakeboxandinlet/outletpipeornot.4）檢查儀表連接是否正確。4)Inspectwhethertheconnectionofinstrumentsiscorrectornot.3)必須對(duì)傳動(dòng)機(jī)構(gòu)聯(lián)桿長(zhǎng)度進(jìn)行調(diào)節(jié)，保證電動(dòng)執(zhí)行機(jī)構(gòu)的行程要滿足調(diào)節(jié)門(mén)全開(kāi)和全閉的需要。3)Itmustadjustthelengthoflinkrodofactuatortoensuretheprogressof3.2.2 引風(fēng)機(jī)導(dǎo)葉調(diào)節(jié)門(mén)傳動(dòng)機(jī)構(gòu)的調(diào)試3.2.2CommissioningofdrivingmechanismofguidevaneadjustablevalveofIDfan1）在調(diào)節(jié)門(mén)處于關(guān)閉位置的情況下，檢查調(diào)節(jié)桿的位置是否正確，規(guī)定調(diào)節(jié)門(mén)的相鄰葉片必須接觸，如果檢查下來(lái)相鄰片不互相接觸，必須加以調(diào)整和固定。1)Undertheconditionthattheadjustablevalveisclosed,inspectwhetherthepositionofadjustablerodiscorrectornot.Prescribethattheadjacentbladesofadjustablevalvemustcontacteachother.Iftheadjacentbladesdonotcontacteachotherafterinspection,theymustbeadjustedandfixed.2)調(diào)節(jié)門(mén)的設(shè)計(jì)方向與葉輪的旋轉(zhuǎn)方向相同，即在調(diào)節(jié)門(mén)關(guān)閉的情況下，介質(zhì)的預(yù)流動(dòng)方向與葉輪的旋轉(zhuǎn)方向相同。2)Thedesigndirectionofadjustablevalveisthesameasrotationdirectionofimpeller,thatistosay,undertheconditionthattheadjustablevalveisclosed,thepreflowingdirectionofmediumisthesameastherotationdirectionimpeller.electricmotoractuatorshouldtallywiththedemandsoffullopeningorfullclosingofadjustablevalve.4)在風(fēng)機(jī)啟動(dòng)之前，調(diào)節(jié)門(mén)必須關(guān)閉。4)Theadjustablevalvemustbeclosedbeforethefanisstartedup.3.2.3 引風(fēng)機(jī)的聯(lián)動(dòng)試車3.2.3InterlockcommissioningofIDfan1)風(fēng)機(jī)應(yīng)在無(wú)載荷的情況下啟動(dòng)，即關(guān)閉風(fēng)機(jī)的進(jìn)口調(diào)節(jié)門(mén)，并將風(fēng)機(jī)出口管道中的閥門(mén)開(kāi)啟，以防止電機(jī)過(guò)載。風(fēng)機(jī)在調(diào)節(jié)門(mén)關(guān)閉的情況下，運(yùn)行時(shí)間不得過(guò)長(zhǎng)。如情況良好，在風(fēng)機(jī)達(dá)到額定轉(zhuǎn)速后，再將調(diào)節(jié)門(mén)逐漸開(kāi)啟，以達(dá)到風(fēng)機(jī)的設(shè)計(jì)額定工況點(diǎn)。1)Thefanshouldbestartedundertheconditionofnoload,thatistosay,closetheinletadjustablevalveoffanandopenthevalveinoutletpipeoffaninordertopreventoverloadofmotor.Undertheconditionthattheadjustablevalveoffanisclosed,theoperatingtimecannotbetoolong.Iftheconditionisgood,graduallyopentheadjustablevalveafterthefanreachesratedrotationspeedsoastoattaindesignratedworkingconditionpointoffan.2)在風(fēng)機(jī)運(yùn)行過(guò)程中，注意監(jiān)控軸承的溫度。軸承的溫度在達(dá)到穩(wěn)定之前的最初幾個(gè)小時(shí)之內(nèi)，溫度值會(huì)直線上升，但隨后會(huì)穩(wěn)定在一個(gè)溫度值。運(yùn)行過(guò)程中，軸承溫升不得超過(guò)40℃。注意監(jiān)控軸承部的均方根振速測(cè)定值，其值不得超過(guò)4.0mm/s。2)Duringtheoperatingprocessoffan,payattentiontomonitoringthebearingtemperature.Withintheinitialseveralhoursbeforethetemperatureattainsstablelevel,thetemperaturevaluewillrisefastasastraightline,butlateritwillstayatonevalue.Duringoperation,bearingtemperatureshouldnotexceed80℃.Payattentiontomonitoringtheroot-mean-squarevibrationspeeddeterminedvalueofbearinganditsvalueshouldnotexceed4.0mm/s.3)風(fēng)機(jī)的聯(lián)動(dòng)試車時(shí)間不得低于72小時(shí)。3)Thetimeofinterlockcommissioningoffanshouldnotbelessthan72hours.4)風(fēng)機(jī)啟動(dòng)前應(yīng)關(guān)閉出口擋板，空載啟動(dòng)。4)Theoutletdampershouldbeclosedbeforestartuptheprimaryairfan,anditisstartedwithno-load.3.2.4 立即停車事件3.2.4Emergencyshutdown1)風(fēng)機(jī)或電動(dòng)機(jī)啟動(dòng)時(shí)有明顯的異?，F(xiàn)象或摩擦聲響。1)Themotororfanhasobviousandabnormalconditionsorgratingduringstart-up.2)風(fēng)機(jī)軸承溫度、軸承的振動(dòng)超過(guò)規(guī)定值。2)Thebearingtemperatureandvibrationoffanexceedspecifiedvalue.3)調(diào)節(jié)門(mén)的調(diào)節(jié)失靈。3)Theadjustmentofadjustablevalvehasfault.4 )電動(dòng)機(jī)突然過(guò)載。4)Motoroverloadssuddenly.5)涉及人身和機(jī)組安全的其它意外情況。5)Othersuddennessrelatedtopersonnelsafetyandunitsafety3.3引風(fēng)機(jī)的主要故障及原因3.3MainfaultsofIDfanandcauses

在風(fēng)機(jī)運(yùn)轉(zhuǎn)過(guò)程中，可能發(fā)生某些故障，對(duì)發(fā)生的故障必須迅速查明原及時(shí)解決，以防止事故的發(fā)生。Intherunningprocessoffan,somefaultsmaytakeplace,andthecausesmustbefoundoutquicklyandthefaultsmustbesolvedintimeinordertopreventtheemergencyfromhappening.引風(fēng)量不足3.3.1Insufficientinduceddraftairflow管道系統(tǒng)阻力超過(guò)風(fēng)機(jī)規(guī)定風(fēng)壓Theresistanceofpipelinesystemexceedsspecifiedairpressureoffan.引風(fēng)壓不足3.3.2Insufficientinduceddraftairpressure管道系統(tǒng)阻力估計(jì)過(guò)低。Theestimationforresistanceofpipelinesystemistoolow.3.3.3電動(dòng)機(jī)超載3.3.3Overloadofmotor1)風(fēng)壓過(guò)低致使風(fēng)量過(guò)大1)Toolowairpressurecausestoobigairflow.2)進(jìn)口氣體溫度過(guò)低，氣體密度過(guò)大，使風(fēng)機(jī)壓頭過(guò)高2)Toolowtemperatureofinletairandtoobigdensityofairmaketoohighpressureheadoffan.3)風(fēng)機(jī)內(nèi)部發(fā)生摩擦碰撞現(xiàn)象3)Frictionandcollisiontakeplaceinfan.4)開(kāi)車時(shí)進(jìn)口調(diào)節(jié)門(mén)未關(guān)嚴(yán)4)Inletadjustablevalveisnottightlyclosedduringstart-up.5)電動(dòng)機(jī)輸入電壓過(guò)低或電源單相斷電5)Toolowinputvoltageofmotororsingle-phasepoweroffofpowersupply6)受軸承箱振動(dòng)劇烈的影響6)Effectedbyexquisitevibrationofbearingbox3.3.4引風(fēng)機(jī)體振動(dòng)3.3.4VibrationofIDfan1)風(fēng)機(jī)與電機(jī)軸不同心1)Thefanandmotorarenotconcentric.2)轉(zhuǎn)子與機(jī)殼或進(jìn)風(fēng)口有碰撞現(xiàn)象2)Rotorcollideswithshellorairinlet.3)由于葉片有積灰、污垢、葉片磨損、葉片變形、主軸彎曲使轉(zhuǎn)子平衡受到破壞3)Thebalanceofrotorisdestroyedowingtoashdeposit,dirt,abrasion,distortionofbladesandbendingofmainshaft.4)基礎(chǔ)不牢固，或地腳螺栓松動(dòng)4)

Foundationisnotfirmorthefoundationboltisloose.5)負(fù)荷急劇變化或風(fēng)機(jī)處于喘振區(qū)內(nèi)工作5)Loadseverelychangesorthefanworksinsurgearea.6)葉輪軸孔與主軸配合松動(dòng)6)Thematchbetweenshaftholeofimpellerandmainshaftisloose.7)機(jī)殼與撐腳、軸承箱與底座連接螺栓松動(dòng)7)Theconnectingboltsofshellandsupportingfootortheconnectingboltsbearingboxandbaseseatareloose.8)風(fēng)機(jī)進(jìn)出口管道安裝不良，產(chǎn)生共振8)Inletandoutletpipesoffanarebadlyfitted,whichcausesresonance.3.3.5軸承溫升過(guò)高3.3.5Over-highbearingtemperaturerise1)軸承箱振動(dòng)劇烈 1)Severevibrationofbearingbox2)潤(rùn)滑油質(zhì)量不良或軸承箱油位過(guò)低2)Badqualityoflubricatingoilortoolowoillevelofbearingbox1.2增壓風(fēng)機(jī)的調(diào)試與運(yùn)行

1.2Commissionandoperationofboosterfan

1.2.1 增壓風(fēng)機(jī)調(diào)試前的準(zhǔn)備工作1.2.1Preparationworkbeforeboosterfancommission1）詳細(xì)檢查所有螺栓是否緊固。1)Thoroughlycheckwhetheralltheboltsarefastened.2）檢查葉輪、進(jìn)口導(dǎo)葉調(diào)節(jié)門(mén)與電動(dòng)機(jī)的旋轉(zhuǎn)方向是否正確。2)Checkwhethertherotationdirectionsofimpeller,governingvalveofinletguidevaneandthegeneratorareright.3）檢查機(jī)殼和進(jìn)出口管道是否遺留下雜物。3)Checkwhetherimpuritiesremainintheenclosure,inletandoutletpipes.4）檢查儀表連接是否正確。4)Checkwhethertheinstrumentsconnectionisright.1.2.2 增壓風(fēng)機(jī)導(dǎo)葉調(diào)節(jié)門(mén)傳動(dòng)機(jī)構(gòu)的調(diào)試1.2.2Thecommissionofdrivingorganontheguidevanegoverningvalveofboosterfan1）在調(diào)節(jié)門(mén)處于關(guān)閉位置的情況下，檢查調(diào)節(jié)桿的位置是否正確，規(guī)定調(diào)節(jié)門(mén)的相鄰葉片必須接觸，如果檢查下來(lái)相鄰葉片不互相接觸，必須加以調(diào)整和固定。1）Asthegoverningvalveisclosed,checkwhetherthepositionofadjustingrodiscorrect,itisregulatedthattheadjacentbladesofgoverningvalvemustconnectwitheachother,otherwise,theymustbeadjustedandfastened.2）調(diào)節(jié)門(mén)的設(shè)計(jì)方向與葉輪的旋轉(zhuǎn)方向相同，即在調(diào)節(jié)門(mén)關(guān)閉的情況下，介質(zhì)的預(yù)流動(dòng)方向與葉輪的旋轉(zhuǎn)方向相同。2）Thedesigndirectionofgoverningvalveshouldbethesameastherotationdirectionofimpeller,thatistosay,asthegoverningvalveisclosed,thepreflowingdirectionofmediumshouldbethesameastherotationdirectionofimpeller.3）必須對(duì)傳動(dòng)機(jī)構(gòu)聯(lián)桿長(zhǎng)度進(jìn)行調(diào)節(jié)，保證電動(dòng)執(zhí)行機(jī)構(gòu)的行程要滿足調(diào)節(jié)門(mén)全開(kāi)和全閉的需要。3)Itisrequiredtoadjustthelinklengthofdrivingorgantoensurethestrokeofelectricactuatortosatisfytherequirementsoffullopeningandclosingofgoverningvalve.4）在風(fēng)機(jī)啟動(dòng)之前，調(diào)節(jié)門(mén)必須關(guān)閉。4)Thegoverningvalvemustbeclosedbeforethefanisstarted.1.2.3 增壓風(fēng)機(jī)的聯(lián)動(dòng)試車1.2.3Interlockedtestrunningofboosterfan1） 風(fēng)機(jī)應(yīng)在無(wú)載荷的情況下啟動(dòng)，即關(guān)閉風(fēng)機(jī)的進(jìn)口調(diào)節(jié)門(mén)，并將風(fēng)機(jī)出口管道中的閥門(mén)開(kāi)啟，以防止電機(jī)過(guò)載。風(fēng)機(jī)在調(diào)節(jié)門(mén)關(guān)閉的情況下，運(yùn)行時(shí)間不得過(guò)長(zhǎng)。如情況良好，在風(fēng)機(jī)達(dá)到額定轉(zhuǎn)速后，再將調(diào)節(jié)門(mén)逐漸開(kāi)啟，以達(dá)到風(fēng)機(jī)的設(shè)計(jì)額定工況點(diǎn)。1)Thefanshouldbestartedinano-loadcondition,thatistosay,closetheinletgoverningvalveoffanandstartupthevalveintheoutletpipeoffantoavoidoverloadofmotor.Asthegoverningvalveisclosed,theoperationtimeoffanshouldnotbetoolong.Iftheconditionisgood,graduallystartthegoverningvalveafterthefanhasachievedtheratedrotationspeedtoreachthedesignratedoperationpointoffan.2） 在風(fēng)機(jī)運(yùn)行過(guò)程中，注意監(jiān)控軸承的溫度。軸承的溫度在達(dá)到穩(wěn)定之前的最初幾個(gè)小時(shí)之內(nèi)，溫度值會(huì)直線上升，但隨后會(huì)穩(wěn)定在一個(gè)溫度值。運(yùn)行過(guò)程中，軸承溫升不得超過(guò)80℃。注意監(jiān)控軸承部的均方根振速測(cè)定值，其值不得超過(guò)4.0mm/s。2)Intheprocessoffanoperation,payattentiontosupervisingthetemperatureofbearing,whichwillriseinastraightlineinthefirstseveralhoursbeforebecomingstable,however,itwillbestableatacertainvalue.Thebearingtemperatureshouldnotexceed80℃intheprocessofoperation.Trytomonitortherootmeansquaremeasuredvalueofvibrationspeed,whichshouldnotbeover4.0mm/s.3）風(fēng)機(jī)的聯(lián)動(dòng)試車時(shí)間不得低于72小時(shí)。3)Theinterlockedtestrunningtimeoffanshouldbenolessthan72hours.4）增壓風(fēng)機(jī)應(yīng)投焦之前啟動(dòng)。4)Boosterfanshouldbestartedbeforefeedingspongecoal.5）風(fēng)壓、風(fēng)量根據(jù)播焦情況來(lái)調(diào)節(jié)風(fēng)道旁路。5)Forairpressureandairflow,adjusttheairductbypassaccordingtocoalspreadingconditions.1.2.4立即停車事件1.2.4Immediateshutdownaccident1）風(fēng)機(jī)或電動(dòng)機(jī)啟動(dòng)時(shí)有明顯的異常現(xiàn)象或摩擦聲響。1)Obviousabnormalphenomenonorfractionsoundisfoundasthefanormotorisstarted.2）風(fēng)機(jī)軸承溫度、軸承的振動(dòng)超過(guò)規(guī)定值。Thebearingtemperatureandvibrationoffanexceedthestatedvalue.3）調(diào)節(jié)門(mén)的調(diào)節(jié)失靈。Theadjustmentofgoverningvalveisoutofwork.4）電動(dòng)機(jī)突然過(guò)載。Suddenoverloadofmotorhappens.5）涉及人身和機(jī)組安全的其它意外情況Otheraccidentsinvolvepersonnelandunitsafety.

增壓風(fēng)機(jī)的主要故障及原因

1.3Mainfaultsofboosterfanandcauses

在風(fēng)機(jī)運(yùn)轉(zhuǎn)過(guò)程中，可能發(fā)生某些故障，對(duì)發(fā)生的故障必須迅速查明原因，及時(shí)解決，以防止事故的發(fā)生。Somefaultsmayhappenintheprocessoffanoperation,findoutthecausesimmediatelyandmakesolutionintimetoavoidaccidents.增壓風(fēng)量不足1.3.1Insufficientboostairflow管道系統(tǒng)阻力超過(guò)風(fēng)機(jī)規(guī)定風(fēng)壓。Resistanceinpipelinesystemexceedsthestipulatedairpressureoffan.增壓風(fēng)壓不足1.3.2Insufficientboostairpressure管道系統(tǒng)阻力估計(jì)過(guò)低。Theresistanceinpipelinesystemisestimatedtoolow.1.3.3電動(dòng)機(jī)超載1.3.3Overloadofmotor1）風(fēng)壓過(guò)低致使風(fēng)量過(guò)大1)Toolowairpressuremakesairflowtoolarge.2）進(jìn)口氣體溫度過(guò)低，氣體密度過(guò)大，使風(fēng)機(jī)壓頭過(guò)高2)Toolowinletairtemperatureandtoolargeairdensitymakefanpressureheadtoohigh.3）風(fēng)機(jī)內(nèi)部發(fā)生摩擦碰撞現(xiàn)象Frictionandcollisionphenomenahappeninsidethefan.4）開(kāi)車時(shí)進(jìn)口調(diào)節(jié)門(mén)未關(guān)嚴(yán)4)Theinletgoverningvalveisnotclosedtightlyduringstartup.5）電動(dòng)機(jī)輸入電壓過(guò)低或電源單相斷電5)Inputvoltageofmotoristooloworsinglephaseofpowersupplyisoutofpower.6）受軸承箱振動(dòng)劇烈的影響6)Itisaffectedbyviolentvibrationofbearingbox.1.3.4增壓風(fēng)機(jī)體振動(dòng)1.3.4Vibrationofboosterfanbody1）風(fēng)機(jī)與電機(jī)軸不同心1)Fanandmotorshaftsarenotconcentric.2）轉(zhuǎn)子與機(jī)殼或進(jìn)風(fēng)口有碰撞現(xiàn)象2)Collisionphenomenonhappensbetweenrotor,enclosureorairinlet.3）由于葉片有積灰、污垢、葉片磨損、葉片變形、主軸彎曲使轉(zhuǎn)子平衡受到破壞Rotorbalanceisdamagedarisingfromashaccumulationanddirtonblades,bladedeformationandmainshaftbending.4）基礎(chǔ)不牢固，或地腳螺栓松動(dòng)4)Thebaseisnotsolid,oranchorboltsareloose.5）負(fù)荷急劇變化或風(fēng)機(jī)處于喘振區(qū)內(nèi)工作5)Loadchangesdramaticallyorfanworksinthesurgingarea.6）葉輪軸孔與主軸配合松動(dòng)6)Thecombinationbetweenimpellershaftholeandmainshaftlooses.7）機(jī)殼與撐腳、軸承箱與底座連接螺栓松動(dòng)7)Connectingboltsbetweenenclosureandsupport,bearingboxandchassisloose.8）風(fēng)機(jī)進(jìn)出口管道安裝不良，產(chǎn)生共振Theinletandoutletpipesoffanareproperlyinstalled,producingresonance.1.3.5軸承溫升過(guò)高1.3.5Toohighriseofbearingtemperature1）軸承箱振動(dòng)劇烈1)Bearingboxvibratesacutely.2）潤(rùn)滑油質(zhì)量不良或軸承箱油位過(guò)低2)Lubricatingoilqualityisbadoroillevelofbearingboxistoolow.3.4風(fēng)機(jī)的維護(hù)3.4Maintenanceforairfan運(yùn)行過(guò)程中的維護(hù)3.4.1Maintenanceduringoperation運(yùn)行過(guò)程中的維護(hù)在運(yùn)行過(guò)程中，每隔一小時(shí)應(yīng)將所有儀表的讀數(shù)做好記錄，如發(fā)現(xiàn)與上次記錄有急劇變化時(shí)，應(yīng)立即查明原因并排除。特別要注意對(duì)軸承溫度、冷卻水情況、運(yùn)行的穩(wěn)定性以及軸承箱部的油封的定期檢查。此舉的目的是為了保持風(fēng)機(jī)良好的運(yùn)行狀況直至計(jì)劃停機(jī)。Intheprocessofoperation,recordreadingsofallinstrumentseveryotherhour.Iffindthereadingchangesseverelyaftercompareitwithlastreading,findoutthereasonandeliminateitatonce.Especiallypayattentiontobearingtemperature,conditionofcoolingwater,stabilityofoperationandperiodicalinspectionforoilsealofbearingbox.Thisaimstokeepgoodoperatingconditionoffanuntil

plannedshutdown.臨時(shí)停機(jī)期間的檢修3.4.2Maintenanceduringtemporaryshutdown如果機(jī)組的其它設(shè)備在風(fēng)機(jī)計(jì)劃處停機(jī)，那么這個(gè)機(jī)會(huì)應(yīng)用于風(fēng)機(jī)的檢修。風(fēng)機(jī)主要的磨損件（密封、軸承等）需借此機(jī)會(huì)檢查一下。手工清除葉輪雜質(zhì)，檢查葉輪的磨損狀況。Ifotherdevicesofunitshutdowninaplannedsituation,thischanceshouldapplytomaintenanceoffan.Themainwearingparts(suchasseal,bearingandsoon)offanneedtobecheckedbythischance.Manuallygetridofforeignmattersofimpellerandchecktheabrasionofit.計(jì)劃停機(jī)期間的檢修3.4.3Maintenanceintheperiodofplannedshutdown計(jì)劃停機(jī)時(shí)間的檢修計(jì)劃停機(jī)時(shí)間，所做的工作應(yīng)使風(fēng)機(jī)能夠無(wú)故障運(yùn)行到下一個(gè)計(jì)劃停機(jī)期。我們建議做如下工作：Duringtheperiodofplannedshutdown,theworkistomakethefanoperatetonextperiodofplannedshutdownwithoutfault.Wesuggestthatfollowingworksshouldbedone:1)檢查葉輪雜質(zhì)并清除1)Checkandeliminateforeignmattersofimpeller.2)檢查葉輪的磨損狀況2)Checktheabrasionofimpeller.3)更換軸承的潤(rùn)滑油3)Replacethelubricatingoilofbearing.4)檢查風(fēng)機(jī)各處密封，如損壞則更換4)Checkallsealsoffan,andreplacedamagedones.5)檢查聯(lián)軸器的性能5)Checktheperformanceofcoupling.6)檢查膨脹節(jié)的磨損情況6)Checktheabrasionofexpansionjoint.7)清理風(fēng)機(jī)機(jī)殼、進(jìn)氣箱及管道風(fēng)機(jī)進(jìn)行試運(yùn)轉(zhuǎn)后，完成檢修。7)Cleantheshelloffan,airintakeboxandpipes.Themaintenanceisfinishedafterthecommissioningoffanisdone.1.鍋爐的巡回檢查1.Patrolinspectionofboiler

巡回檢查路線1.1Patrolinspectionline控制室――給水平臺(tái)――給焦機(jī)――下焦口――送、引風(fēng)機(jī)――排渣機(jī)――電除塵器――油庫(kù)――鍋爐本體鍋爐――水位計(jì)――壓力表――膨脹指示器――控制室Controlroom–feedwaterplatform—coalfeeder---coaldownspout—IDfan,FDfan---slagdischargingmachine---ESP---fueloilstoreroom—boilerproper---waterlevelmeter---pressuremeter---expansionindicator---controlroom1.2巡回檢查項(xiàng)目?jī)?nèi)容1.2Itemsandcontentofpatrolinspection1)鍋爐膨脹節(jié)：檢查膨脹節(jié)有無(wú)泄漏，磨損，法蘭螺絲的松動(dòng)，保險(xiǎn)桿位置對(duì)正，拉緊。

1)Boilerexpansionjoint:inspectwhethertheexpansionjointleaksorisabradedornot,whetherthescrewofflangeislooseornotandwhetherthepositionofsafetyrodalignsandstrainsornot.2）鍋爐汽包：檢查鍋爐汽包連接有無(wú)泄漏，檢查汽包上的壓力表，并于控制室的壓力進(jìn)行校對(duì)，檢查連排閥是否有泄漏，檢查各水位計(jì)是否清晰，并正常投入，檢查安全門(mén)是否備用和泄漏，是否有異物卡設(shè)現(xiàn)象。2)Boilersteamdrum:inspectwhethertheconnecti