LPG-噴霧干燥(中英)-說明書

LPG-噴霧干燥機(jī)SprayDryer使用說明書OperationinstructionPeople’sRepublicofChina目錄Catalogue概述General…………………1工作原理WorkingPrinciple………1設(shè)備特點EquipmentFeatures……2干燥機(jī)組的安裝DryerInstallation………3離心噴霧干燥機(jī)操作程序OperationProcedureofSprayDryer………………3(1)開車前的準(zhǔn)備工作PreparationBeforeStart-up(2)開車運行Start-up(3)停車StopRunning(4)停車后的清洗CleaningAfterStop高速霧化器的維修與保養(yǎng)MaintenanceofHigh-speedAtomizer……4故障分析與排除FailAnalysisandRepair……………6安全生產(chǎn)SafetyOperation………7離心噴霧自控系統(tǒng)Auto-controlSystemofCentrifugalSpray……………8噴霧干燥塔中主要易損件MainWearingPartofSprayDryingTower…………9附：電氣原理圖；Attachment:ElectricalPrincipleDwg.概述GeneralLPG型高速離心噴霧干燥機(jī)，主要用于使稀溶液、乳濁液、懸浮液、漿狀物料、熔融液及中藥浸膏等物料噴霧干燥成干粉。具有速度快、效率高、工序少等優(yōu)點。對熱敏性物料可保持其色、香、味。干粉溶解性好，純度高，該型噴霧干燥機(jī)可廣泛用于塑料、染料、輕工業(yè)、化肥、食品、醫(yī)藥，特別是熱敏性物料，如牛奶、藥物、染料等工業(yè)領(lǐng)域廣泛使用。LPGHigh-speedCentrifugalSprayDryermainlyusedforthedryingofmaterialssuchasweaksolution,emulsion,suspendingliquid,slurry,melt-water,Chineseherbalextractetc.todrypowder.Ithasadvantagesofhighspeedandefficiencyaswellaslessprocess.Forthermalsensitivematerial,itcankeepitscolor,scentandtaste.Drypowderhasgoodsolubilityandhighpurity.Thiskindofdryerhaswidelyapplicationonindustriessuchasplastic,dyestuff,lightindustry,fertilizer,food-stuff,pharmaceuticalespeciallyforheat-sensitivematerialssuchasmilk,medicine,dyestuffetc.工作原理WorkingPrincipleLPG噴霧干燥機(jī)是將需霧化的料液直接干燥成固體粉粒的過程。干燥是傳熱和傳質(zhì)同時進(jìn)行的過程。在干燥過程中，前一種是液滴中水分的蒸發(fā)，主要是熱交換過程。當(dāng)進(jìn)入降速干燥階段后是顆粒的干燥，主要是擴(kuò)散過程。物料離開干燥室時所含的水分與前一瞬時所接觸的空氣的相對濕度有關(guān)，物料的最終產(chǎn)品水分不可能低于該相對濕度下相應(yīng)的平衡水分。產(chǎn)品的最終水分應(yīng)受與其最后接觸空氣的相對濕度控制，是擴(kuò)散控制中的濕度梯度控制，這三個控制階段構(gòu)成了噴霧干燥過程。ThedryingprocedureofLPGspraydryeristhedryingfromatomizedslurrytopowderdirectlyandtheheattransferandmediumtransferarecarriedoutatthesametime.Duringdrying,waterevaporationofdropletisintheprocessofheatingexchange.Whenitisinlowerspeedgranuledrying,itstartstheprocessofdiffusion.Thewatercontentofdischargedmaterialfromdryingchamberisrelatedtothepreviousairrelativehumidity.Finalmoistureofmaterialmustnotlowerthanthebalancemoistureunderrelativehumidity.Finalmoistureiscontrolledbythelasttimemoisturehumiditycontactingwithairandisahumiditygradientcontrolofdiffusioncontrol,andthesethreecontrolstagesconstructedspraydryingprocess.已經(jīng)加熱至需要溫度的空氣以切線方向進(jìn)入熱風(fēng)分配器，經(jīng)熱風(fēng)分配器作用后的空氣均勻地、螺旋式地進(jìn)入干燥室，同時料液由霧化器霧化為傘狀細(xì)小的霧滴，當(dāng)霧滴與熱空氣混合接觸后傳熱傳質(zhì)，這時高溫氣流與高含水率的霧滴相遇，水分迅速汽化。干燥后產(chǎn)品從燥室錐底進(jìn)入風(fēng)管隨空氣流入旋風(fēng)除塵器,大部分物料被分離，少量細(xì)粉繼續(xù)進(jìn)入布袋除塵器被收集,最后尾氣由排風(fēng)機(jī)排出系統(tǒng)外。Heatingairtorequiredtemperatureandenteringintohotairdistributorinatangentdirection,andthenevenlygoesintothedryerchamberinascrewtype.Atthesametimeslurryisatomizedtoumbrella-typefinedropletbyatomizer,thenitstartheatandmediumtransferaftermixingcontactbetweendropletandhotair.Atthesametimehightemperatureairflowcontactwithhighmoisturedroplet,andthenmoisturestartevaporatingquickly.Drymaterialdischargedfrombottomconegoesintocycloneseparatoralongwithairflowintheductwheremostofmaterialwillbeseparated,asmallamountoffinewillbefurthercollectedinthebagfilterandtheoff-gaswillbedischargedbyexhaustfan.本機(jī)組采用并流式噴霧干燥，液滴與熱風(fēng)方向并流流動。雖然熱風(fēng)溫度較高，但由于熱風(fēng)進(jìn)入干燥室立即與霧化液滴接觸，干燥室內(nèi)溫度急劇下降，不會使被干燥物料過度受熱，特別適宜熱敏性物料干燥。排出產(chǎn)品的溫度一般低于排風(fēng)溫度10~20℃Thissetofequipmentisinaconcurrentflowspraydryingwhichslurryandhotairdirectionwillflowconcurrently.Althoughhotairtemperatureismuchhigh,becauseoftheimmediatecontactingbetweenhotairinthechamberandatomizeddroplet,temperatureinthedryingchamberwilldecreaserapidlythusmaterialwillnotbeoverheated,andthisisespeciallyapplicableforthedryingofthermalsensitivematerial.Thetemperatureofdischargedproductsisusually10~20℃霧化器旋轉(zhuǎn)方向與熱風(fēng)旋轉(zhuǎn)方向相同，采用逆向旋轉(zhuǎn)。Rotaryspeedofatomizerhasthesamedirectionwithhotairrotation,botharereversalrotating.設(shè)備特點EquipmentFeature本設(shè)備參照中華人民共和國機(jī)械行業(yè)標(biāo)準(zhǔn)JB/T8714-1998《離心噴霧干燥機(jī)》的規(guī)范進(jìn)行制造。ThisequipmentisfabricatedaccordingtoChinesestandardJB/T8714-1998ofCentrifugalSprayDryer.干燥塔錐體角度設(shè)計成小于等于60°，錐體上安裝有空氣震擊器，保證粉料流暢地滑落到底部，避免粉料吸附在塔壁時間太長而產(chǎn)生焦化或熔融現(xiàn)象。Coneangleofdryertowerisdesignedlessthan60°,there’sairbumperjarsontheconetomakesurepowdercouldflowtobottomsmoothlythusavoidcokingandfusioncausedbylongstickofpowdertothetowerwall.物料的適宜數(shù)據(jù)：適用于噴干含固率20％～60％的料液。Applicabledataofmaterial:itisapplicablefor20％～60％solidcontentslurry.本機(jī)組所有與物料接觸處均采用SUS304材料制作，因此能保證產(chǎn)品不受污染。AllpartscontactwithmaterialareSUS304toavoidproductscontamination.4.干燥機(jī)組的安裝EquipmentInstallation安裝離心噴霧干燥機(jī)的地坪應(yīng)平整堅實有強(qiáng)度。Floorforcentrifugalspraydryerinstallationshouldbeflatandhavecertainstrength.把干燥塔機(jī)組安裝在所需位置（按設(shè)計布置）。Installthedryingtowertorequiredplace(accordingtodesign).首先安裝干燥塔，然后將操作平臺、護(hù)梯、風(fēng)管、除塵器、過濾器裝置及風(fēng)機(jī)等輔機(jī)就位連接，密封部位應(yīng)裝上硅橡膠密封墊。Firstinstalldryingtower,andtheninstallauxiliariessuchasplatform,railing,airduct,cyclone,filterandfan,sealingpartsshouldhavesiliconrubbersealinggasket.電器控制柜應(yīng)安裝在便于操作和安全的位置。Controlcabinetshouldbeinstalledinthesafetylocationeasyforoperation.離心風(fēng)機(jī)出口，應(yīng)根據(jù)車間情況，由使用廠配制管道，把排風(fēng)口引向室外，以減少車間內(nèi)空氣濕含量和降低躁音，干燥機(jī)躁聲值≤90dB（負(fù)載）。Outletofcentrifugalfanshouldbearrangedtotheoutdooraccordingtoactualworkshopsituationanduser’spipingtoreducetheworkshopmoistureandnoise,noisevalueofdryershouldbe≤90dB（loading）供料系統(tǒng)的安裝：本機(jī)組采用變頻調(diào)速泵供料（莫諾泵）。泵可根據(jù)操作需要安裝在干燥塔的附近位置。進(jìn)料管可選用適當(dāng)長度的軟橡膠管引入，進(jìn)料管管徑由泵進(jìn)料口大小確定，出料由料液泵出料管引入霧化器進(jìn)料管。Installationoffeedingsystem:thisequipmentfeedingequippedwithfrequencycontrolpump(Monopump).Pumpcouldinstalledneardryingtoweraccordingtooperationrequirement.Feedingpipeshouldberubberhosewithproperlength,thediameteroffeedingpipeshouldaccordingtothefeedingsizeofpump,dischargedmaterialgoesintotheatomizerthroughdischargepipeofpump.離心噴霧干燥機(jī)操作程序OperationProcedureofSprayDryer開車前的準(zhǔn)備工作Preparationbeforestart-up檢查各連接件之間的密封性。Checksealsbetweeneachconnection.干燥塔觀察清洗門是否關(guān)緊密封。Checkiftheaccessdoorofdryingtowerisclosedtightlyornot.接料裝置與出料口之間密封是否完好。Checkthesealingbetweenmaterialcollectingdeviceanddischarge.離心風(fēng)機(jī)首先用手轉(zhuǎn)動，檢查有無異常，檢查離心風(fēng)機(jī)運轉(zhuǎn)方向是否正確，風(fēng)機(jī)調(diào)風(fēng)蝶閥有無打開。Firstcheckthecentrifugalfanmanuallytoseeifisokandalsocheckit’srunningdirectionandairregulationbutterflyvalve.進(jìn)料泵請按使用說明書上使用方法正確使用。Feedingpumpshouldbeoperatedaccordingtoitsoperationinstruction.霧化器用手轉(zhuǎn)動是否靈活，并檢查油標(biāo)位置。油面高度應(yīng)不低于油標(biāo)最低刻度，不高于油面最高刻度。檢查電機(jī)旋轉(zhuǎn)方向是否與噴頭指示的旋轉(zhuǎn)方向一致。具體請查看霧化器使用說明書。Runtheatomizertocheckifit’sflexibleandalsochecktheoillevel,theheightofoillevelshouldbenolowerthantheminimumscaleandnohigherthanthemaximumscale.Checkiftherotarydirectionhasthesamedirectionwithsprinklerhead.Fordetails,pls.checktheatomizeroperationinstruction.注：機(jī)組系統(tǒng)內(nèi)嚴(yán)禁有雜物。Note:Noforeignmatterintheequipment.開車運行Start-up開機(jī)順序：引風(fēng)機(jī)→進(jìn)熱風(fēng)閥→霧化器→進(jìn)料泵Start-upprocedure:exhaust→hotairinletvalve→atomizer→feedingpump.注意事項：先設(shè)定進(jìn)風(fēng)溫度，當(dāng)進(jìn)風(fēng)溫度達(dá)到所需溫度時，開啟離心霧化器，使其旋轉(zhuǎn)，當(dāng)轉(zhuǎn)速正常后，先噴水，使出口溫度達(dá)到預(yù)定排風(fēng)溫度，然后迅速轉(zhuǎn)換為料液，料液調(diào)節(jié)必須由小逐漸加大，否則易產(chǎn)生粘壁現(xiàn)象。注意塔體出風(fēng)溫度不能超過100℃~120Attentions:setairinlettemperaturefirst,whentheinletairreachedtorequiredtemperature,startcentrifugalatomizerandrotateit,whentherotatingspeedgoesintonormal,spraywaterfirsttomakesuretheoutlettemperaturereachtorequiredairdischargingtemperature,thenchangetoslurryquickly.Slurrymustberegulatedfromsmallertobiggertoavoidwallsticky.Outlettemperatureoftowershouldnotover100℃~120℃toavoidburning噴霧正常5～10分鐘，可從旋風(fēng)收料器底部取出物料進(jìn)行數(shù)據(jù)分析。Normalsprayingshouldbe5～10minutes,materialsdischargedfromcyclonecouldbeanalyzed.停車Stoprunning停車順序：停進(jìn)料泵→停霧化器→停熱風(fēng)→停鼓風(fēng)機(jī)→停引風(fēng)機(jī)注意事項：停車前，必須將物料噴完，然后換上清水進(jìn)行噴霧，但需保證出口溫度不變。否則，剩余在干燥塔內(nèi)的物料含水量將改變。用水大約5分鐘，按停車順序停車。Stoppingprocedure:stopfeedingpump→stopatomizer→stopinletfan→stopexhaustfanAttentions:allofmaterialshouldbesprayedoutbeforestopping,thenandsprayagainbywaterbutmakesuretheoutlettemperatureshouldbethesameortheremainedmaterialinthetowerwouldchangeitsmoisture.Spraying5minutesbywaterandpressbuttontostopit.停機(jī)后，打開干燥塔觀察清洗門，清掃干燥塔內(nèi)壁以及霧化器附近的積粉，最后關(guān)掉引風(fēng)機(jī)，取出霧化器清洗。Opentheaccessdoorafterequipmentstoppedrunning,cleantheremainpowderaccumulatedintheinternalwallandonatomizer,thenstopexhaustfan,takeouttheatomizerandcleanit.停車后的清洗、消毒與滅菌Cleaningandsterilizationafterrunningstopped為保證干燥產(chǎn)品質(zhì)量，設(shè)備的清洗是重要的一環(huán)，特別是容易交叉污染的物料，更需要定期清洗。清洗次數(shù)由生產(chǎn)廠家根據(jù)具體情況而定。清洗的部件主要是與物料接觸的部分。Equipmentcleaningisveryimportanttoensuregoodquality,especiallyforeasycross-contaminationmaterial,periodicallycleaningisrequired.Cleaningtimesshouldaccordtoactualsituationofvendor.Cleaningpartsaremainlyforpartscontactwithmaterial.高速離心霧化器的維修與保養(yǎng)MaintenanceofHigh-speedAtomizer高速離心霧化器要求在高速下平穩(wěn)工作，因此在安裝時應(yīng)注意塔體上端安裝霧化器的法蘭面必須水平，兩平面間須加硅橡膠墊以防振動及漏油。Highspeedatomizerisrequiredtooperatestablyinhighspeedstatus,thusmakesuretheflangesurfaceofupperatomizershouldbeflatandlevelduringinstallation,siliconrubbershouldbeaddedbetweentwosurfacestoavoidvibrationandoilleakage.保養(yǎng)事項Attentions:1)該霧化器是高精度高轉(zhuǎn)速的精密機(jī)器，在運轉(zhuǎn)時必須垂直放置，防止大振動及碰撞，否則會引起主軸變形，產(chǎn)生躁音，影響使用壽命。Thisatomizerhashighprecisionandhighspeedandshouldbeputtedverticallyduringoperationtoavoidbigvibrationandcollision,orthemainshaftwilldeformandcausenoisethusitmayaffectoperationlife.2)霧化器的運轉(zhuǎn)方向是俯視逆時針運轉(zhuǎn)，安裝及試車時，必須點動開關(guān)，確認(rèn)轉(zhuǎn)向準(zhǔn)確時才能開機(jī)。否則主軸上固定霧化盤的擰緊螺帽脫出霧化盤飛出而產(chǎn)生嚴(yán)重事故。Therotationdirectionofatomizerisanti-clockwiseintopview.Duringinstallationandcommissioning,turnontheswitchtemporaryandchecktherotarydirection,thenstartrunning.Oritmaycauseseriousaccidentscausedbythereliefoftheatomizingdisknutonthemain.3)工作前必須先啟動油泵電機(jī)，在透明尼龍管內(nèi)確有油通過時，才能起動主電動機(jī)。否則會因無油工作而產(chǎn)生高熱使軸承咬死而毀機(jī)。Startmotorofoilpumpfirstbeforeworking,mainmotorcouldbestartedonlywhenthere’soilflowintothetransparentnylonpipeormachinemydamagecausedbytheshaftfailduetothehighheatingcausedbyonoilworking.4)所用潤滑油是30（N46）或40（N68）無灰抗磨液壓油，油位必須加到油標(biāo)尺規(guī)定的范圍內(nèi)。過高，油會超過擋油管管口而沿主軸下流到霧化盤隨液體一起噴出，過低吸油管吸不上油而無油運轉(zhuǎn)而產(chǎn)生事故。操作者應(yīng)隨時注意透明管內(nèi)油是否暢通，如發(fā)現(xiàn)無油通過，必須立即停機(jī)，修復(fù)后才能生產(chǎn)。Alllubricantis30（N46）or40（N68）nodustanti-wearinghydraulicoil.Oillevelshouldbeattherangeofrequiredscale.Ifthelevelistoohigh,oilwilloverthenozzleofoilblockingpipeandflowdownalongwiththeshafttotheatomizingdiskandspraywithmaterial.Ifthelevelistoolow,thesuctionpipecannotsuckoilandwillcauseaccidentduetonooiloperation.Operatorshouldkeepattentioniftheoilinthetransparentpipeflowssmoothlyornot,ifthere’snooilpassing,stoprunningimmediatelyandcouldonlystartagainafterit’sfixed.5)在拆裝霧化盤等零件時應(yīng)特別注意不要把主軸碰彎或擦傷；在裝配霧化盤時，固定霧化盤的倒螺母一定要擰緊，防止松動脫落。Benoticethatthemainshaftshouldnotbebendedorscratchedduringthedisassemblingandinstallationofatomizingdiskandsoon;duringtheinstallationofatomizingdisk,nutforatomizingdiskmustfixtightlytoavoidloosing.6)在使用過程中如發(fā)現(xiàn)有異常聲響，或有劇烈振動的情況應(yīng)立即停車檢查。Ifthere’sanynoiseorseverevibrationduringoperation,stoprunningimmediatelyandcheckit.7)每月需更換新油一次，更換時拆下霧化盤和外罩殼，擰下機(jī)器上端的放油螺絲，待油放盡后再用生料帶包上放油螺絲重新擰上，注上新油（約一公斤左右），注意油位不要超過或低于油位線。Replacetonewoileverymonth,duringreplacing,disassembletheatomizingdiskandhoodaswellasoildischargescrewonmachine,whenalloilisbeendischarged,packthescrewwithTeflontapeandscrewitagain,thenfeedfreshoil(about1kg),makesureoillevelnomoreorlessthanthelevelline.故障分析與排除FailAnalysisandRepair序號No.故障現(xiàn)象Fail原因Reason排除方法Repair1塔頂有積粉Powderaccumulatedonthetoptowereq\o\ac(○,1)熱風(fēng)分配器沒有調(diào)節(jié)好Failontheregulationofhotairdistributoreq\o\ac(○,2)霧化盤噴嘴是否堵塞Blockonthenozzleofatomizingdiskeq\o\ac(○,1)調(diào)節(jié)斜形導(dǎo)風(fēng)板斜度Regulatetheslopedegreeofairdeflectoreq\o\ac(○,2)清洗噴嘴Cleannozzle2產(chǎn)品水分超標(biāo)Moremoistureonproductseq\o\ac(○,1)熱風(fēng)溫度太低Hotairinlettemperatureistooloweq\o\ac(○,2)進(jìn)料量太快Feedingspeedistoofasteq\o\ac(○,3)雨、霧天空氣的初始濕含量過高Initialmoistureistoohighbecauseofrainandfogeq\o\ac(○,1)調(diào)整進(jìn)排氣溫度Adjusttheinletairtemperatureeq\o\ac(○,2)調(diào)整進(jìn)料量Regulatefeedingamount3物料粘壁Materialsticktowalleq\o\ac(○,1)風(fēng)量的變化Airamountchangeseq\o\ac(○,2)料液供給不穩(wěn)定MaterialFeedingisunstableeq\o\ac(○,3)進(jìn)風(fēng)溫度太低Inletairtemperatureistooloweq\o\ac(○,1)檢查風(fēng)機(jī)是否正常、系統(tǒng)部件阻力是否增大Checkifthefancouldworkproperlyandifthepartsresistanceofsystemincreasedornot.eq\o\ac(○,2)調(diào)節(jié)料液供給量Regulatefeedingamounteq\o\ac(○,3)提高進(jìn)風(fēng)溫度Increaseairinlettemperature4蒸發(fā)量降低Evaporationreducedeq\o\ac(○,1)系統(tǒng)空氣量減少Airamountinsystemreducedeq\o\ac(○,2)熱風(fēng)進(jìn)口溫度太低Hotairinlettemperatureistooloweq\o\ac(○,3)進(jìn)料量不足Feedingisnotenougheq\o\ac(○,1)檢查風(fēng)機(jī)轉(zhuǎn)速是否正常、調(diào)風(fēng)蝶閥調(diào)節(jié)幅度是否恰當(dāng)、進(jìn)風(fēng)系統(tǒng)是否堵塞Checkthefanspeed,regulatingamplitudeofbutterflyvalve,alsocheckiftheinletairsystemisblockedornot.eq\o\ac(○,2)檢查加熱系統(tǒng)是否正常Checkheatingsystemeq\o\ac(○,3)提高進(jìn)料量Increasefeedingamount5產(chǎn)品夾雜度高Highimpurityofproductseq\o\ac(○,1)空氣過濾器效果差Pooreffectofairfiltereq\o\ac(○,2)料液夾雜度高Slurryhashighimpurityeq\o\ac(○,3)設(shè)備清洗不徹底Incompletecleaningofequipmenteq\o\ac(○,4)焦粉混入產(chǎn)品Cokepowdermixingtoproductseq\o\ac(○,1)更換或清洗空氣過濾器Replaceorcleanairfiltereq\o\ac(○,2)噴霧前過濾料液Filteringslurrybeforesprayingeq\o\ac(○,3)徹底清洗設(shè)備Cleantheequipmentcompletely.6產(chǎn)品粉粒太細(xì)Productpowderistoothineq\o\ac(○,1)料液含固率太低Solidcontentofslurryistooloweq\o\ac(○,2)噴霧盤轉(zhuǎn)速太快Rotaryspeedofspraydiskistoofasteq\o\ac(○,3)進(jìn)料量太小Feedingamountistoosmalleq\o\ac(○,1)提高料液含固率Increasesolidcontentofslurryeq\o\ac(○,2)降低噴霧盤轉(zhuǎn)速Reducethespeedofspraydiskeq\o\ac(○,3)增大進(jìn)料量Increasefeeding7產(chǎn)品收粉率低Productcollectionrateistooloweq\o\ac(○,1)旋風(fēng)分離器效率低Lowefficiencyofcycloneseparatoreq\o\ac(○,2)粉末粒度小Powderparticlesizeistoosmalleq\o\ac(○,1)檢查分離器底部是否漏風(fēng)

Checkifthere’sairleakonthebottomofseparatoreq\o\ac(○,2)檢查內(nèi)壁及出口是否堵塞積料現(xiàn)象Checkiftheinternalwallandoutletisblockedwithpowderornot8產(chǎn)品過熱Productsoverheateq\o\ac(○,1)干燥室氣速過低Airspeedistooslowinthedryingchambereq\o\ac(○,2)操作溫度超過了產(chǎn)品耐熱溫度Operationtemperatureismorethanproductsheatresistancetemperatureeq\o\ac(○,1)適當(dāng)提高干燥室氣速，以不產(chǎn)生上旋流時為正常eq\o\ac(○,2)降低熱空氣進(jìn)口溫度或增加噴液量9霧化盤堵塞Atomizingdiskblockedeq\o\ac(○,1)系統(tǒng)中的機(jī)械雜質(zhì)Mechanicalimpuritiesinsystemeq\o\ac(○,1)噴霧前過濾料液Filteringslurrybeforesprayingeq\o\ac(○,2)徹底清洗原料槽、進(jìn)料管設(shè)備等Cleanequipmentsuchasmaterialslotandfeedingpipescompletelyeq\o\ac(○,3)拆洗霧化盤Dismountatomizingdisk10霧化器振動Atomizervibrationeq\o\ac(○,1)霧化器安裝不水平Atomizerinstallationisnotflatandleveleq\o\ac(○,2)霧化盤主軸產(chǎn)生變形Themainshaftofatomizingdiskdeformedeq\o\ac(○,1)調(diào)整霧化器水平度Adjustlevelnessofatomizereq\o\ac(○,2)更換霧化盤主軸Replacethemainshaftofatomizingdisk安全生產(chǎn)SafetyOperation安全生產(chǎn)中存在二點安全事故值得注意：Twothingsshouldbeattentionduringsafetyoperation:1、正常檢修時所發(fā)生的人員安全事故。Operatorpersonalaccidentsduringmaintenance2、正常生產(chǎn)時所發(fā)生的安全事故。Safetyaccidentsduringnormaloperation對于檢修時所發(fā)生的人員安全事故只要操作人員按工廠制定的正確檢修規(guī)范執(zhí)行即可避免。Operatorsshouldoperateaccordingtocompanyrulesofmaintenancetoavoidpersonalaccidents.在噴霧干燥操作時潛在的風(fēng)險是粉塵爆炸和燃燒著火，發(fā)生爆炸事故的條件大致有下面幾種情況：Potentialpowderexplosionandcombustionmayoccurduringtheoperationofspraydryer.Thefollowingsaresomeconditionsforexplosion:A、物料與空氣的混合溫度超過了物料的燃點溫度，這樣可能會引起爆炸；Themixingtemperatureofmaterialandairismorethantheignitionpointofmaterial,thismaycauseexplosion.B、在干燥介質(zhì)中有很高的含氧量，可能引起爆炸。Operationmediumhashighoxygencontent,thismaycauseexplosion.在噴霧干燥操作系統(tǒng)中發(fā)生燃燒事故的條件大致有下面幾種情況：Thefollowingsaresomeconditionsforcombustionaccidents:a、在料倉中貯藏的產(chǎn)品自燃燃燒。Self-ignitionofproductsstoredinthestoragebin.b、有過熱的固體顆粒進(jìn)入到干燥氣體中。There’sover-heatsolidgranuleentersintothedryingair.c、大量粉體在旋風(fēng)分離器或管道中摩擦燃燒。Quitealotofpowderburnsinthecycloneseparatorandpipingbecauseoffriction.d、電路故障。Circuitfaile、靜電放電。Staticdischarge預(yù)防上述的安全隱患最好的方法是正確的操作方法和符合要求的干燥介質(zhì)，采用的安全措施應(yīng)有一套負(fù)責(zé)安全操作的正確的操作規(guī)范。特別對于物料可燃性較差和原料含有易燃、易爆的有機(jī)溶劑，不僅要選擇閉路循環(huán)干燥系統(tǒng)，選擇合適的干燥介質(zhì)（氮氣、惰性氣體等），還應(yīng)在干燥室上設(shè)計有安全爆破裝置，旋風(fēng)分離器，管道也都應(yīng)有相應(yīng)的安全防爆措施。Thebestwaytoavoidtheseaboveaccidentsistohaveproperoperationwayanddryingmedium.Thesecurity