DMC24-84型電脈沖除塵器DMC24-84ModelElectricPulseDustCollector使用說明書OperationInstruction江蘇國能環保設備有限公司JiangsuGuonengEnvironmentProtectionEquipmentCo.,Ltd.一、前言1.Foreword電脈沖除塵器是針對火力發電廠灰庫、渣庫工況條件專門設計的高效凈化專用設備，它采用了先進的清灰技術，具有氣體處理能力大，凈化效果好，結構簡單，工作可靠，維修量小等優點。在結構設計上已考慮到了其布置特點，產品密封性好，可露天布置。Electricpulsedustcollectorisahighefficiencypurifiedspecialequipment,whichisdesignedfordustbunker,ashsiloofthermalpowerplant.Itadoptsadvanceddustremovaltechnology,whichhassuchfeaturesaslargegasprocessingcapacity,goodpurifyingeffect,simplestructure,reliableoperationandlessmaintenance.Considerationhasbeentakenintoitslayoutcharacteristiconstructuredesign,thesealingpropertyofproductisgoodandtheproductcanbelaidintheopenair.本產品經電站長期使用證明：性能穩定，運行可靠，深受設計選用單位及用戶的好評。Afterbeingusedforlongtimebypowerstation,theproducthasprovedthat:steadyperformance,reliableoperation,andhasgainedhighopinionsbytheunitsselectingthedesignandusers.二、技術參數2.Technicalparameters2.1電脈沖除塵器型號含議：2.1Modelandsignificationofelectricpulsedustcollector:結構形式I:側取式，代號可省略Structureitori上抽抽式de-drawtype,StructureformI:荻DemawqypeFsgmb^CknbeomittedMupjdvfypeypeBU袋數量yoffilterbagQuantityoffilterbag電eC沖沖除pu器!edustcollectorElectricpulsedustcollector2.2技術指標2.2Technicalindicators2.2.1過濾風速2.2.1Filteringwindspeed過濾風速是指氣體通過濾袋的速度，可按下式計算：Filteringwindspeedisthespeedgaspassingthroughfilterbag,whichcanbecalculatedasperfollowingformula:V=Q/(60?F)式中：V-過濾風速(m/min)Q-處理氣體量(m3/h)F-過濾面積(m2)V=Q/(60?F)Informula：V-filteringwindspeed(m/min)Q-gasprocessingquantity(m3/h)F-filteringarea(m2)根據灰庫工況，一般選擇V<1m/minAccordingtotheworkingconditioninashstoragebin,generallyselectV<1m/min.2.2.2濾袋材質(濾料)2.2.2Filtermaterial濾料根據工況條件及除塵要求選擇。Filtermaterialisselectedaccordingtotheworkingconditionanddustremovalrequirements.表一Table1品種Type使用溫度CApplicationtemperatureC耐化學性Chemicalresistanee連續Continues瞬間Instant耐酸性Acidresistanee耐堿性Alkaliresistanee聚酯纖維Polyesterfiber130150強Strong中Medium諾美科斯Nuomeikesi204240中Medium中Medium玻璃纖維Glassfiber260300中Medium中Medium2.2.3清灰氣源2.2.3Dustremovalairsupply2.2.3.1氣源品質壓力露點-20°C含油量 5ppm含塵量 5mg/m32.2.3.1AirsupplyqualityPressuredewpoint -20COilcontent 5ppmDustcontent 5mg/m32.2.3.2氣源壓力2.2.3.2Airsupplypressure0.4~0.6MPa2.2.4耗氣量耗氣是一可按下式計算：Q=a?n?q/T式中：Q-每臺電脈沖除塵器耗氣量(m3/min)n-電磁閥數量(個)T-脈沖周期(min)q-每個電磁閥噴吹時的耗氣量(m3),當噴吹壓力0.6MPa,噴吹時間0.2s時，q=0.03m3a-裕度系數，取1.22.2.4AirconsumptionAirconsumptioncanbecalculatedasperfollowingformula:Q=a?n?q/TInformula:Q-airconsumptionofeachelectricpulsedustcollector(m3/min)n-quantityofsolenoidvalve(pcs)T-pulseperiod(min)q-airconsumption(m3)wheneachsolenoidvalveblows,whenblowingpressureis0.6MPaandblowingtimeis0.2s,q=0.03m3a-tolerancecoefficient,take1.22.3電脈沖除塵器和種類選取2.3Selectiontypesofelectricpulsedustcollector本除塵器在結構上有兩種形式，一種為布袋側取式結構，另一種為布袋上抽式結構，分別適應不同的場合。Thedustcollectorhastwotypesofstructure,oneisside-drawbag-typestructure,theotherisup-draftbag-typestructure,whichissuitablefordifferentsituations.

2.4技術參數(見下表)2.4Technicalparameters(seefollowingtable)型號Model技術參數TechnicalparametersDMC-24DMC-36DMC-48DMC-60DMC-72DMC-84過濾面積(m2)Filteringarea(m2)223445576879濾袋數量Quantityoffilterbag243648607284濾袋規格|mm|Spec?offilterbag|mm|Q130X1800mmq130X2500mm設備阻力|KPa|Equipmentresistanee|KPa|1.0-1.2Kpa除塵效率Dustremovalefficiency99-99.5%過濾風速|m/min|Filteringwindspeed|m/min|0.8-1.2m/min處理風量|m3/h|1320-2040-2700-3400-4080-4740-Processingairvolume|m3/h|264040805400680081609480噴吹壓力|MPa|0.5-0.7MPaBlowingpressure|MPa|噴吹風量|m3/h|0.072-0.108-0.144-0.18-0.216-0.252-Blowingairvolume|m3/h|0.1440.2160.2880.360.4320.504輸入電壓(v)s220vInputvoltage(v)三、結構與工作原理三.Structureandworkingprinciple3.1結構簡介Structureintroduction電脈沖除塵器的基本結構由四大部分組成.Thebasicstructureofelectricpulsedustcollectoriscomposedoffourparts.上箱體：包括可掀起的蓋板(或緊固式上蓋板)和出風口。Uppertank:includingremovablecoverplate(orfasteninguppercoverplate)andairoutlet.中箱體：包括多孔板、檢修門、濾袋、龍骨等。Middletank:includingperforatedplate,accessdoor,filterbag,keel.下箱體：包括測壓接頭等。Bottomtank:includingpressuretestingadapter.噴吹系統：包括脈沖控制儀Blowingsystem:includingpulsecontroller,electromagneticpulsevalve,blowingpipe,airbag.3.2工作原理Workingprinciple含塵氣體由進風口進入除塵器箱體內，細小塵粒由于濾袋的多種效應作用，被滯阻在濾袋外壁。凈化后的氣體通過濾袋經文氏管從上箱體出風口排出。隨著使用時間的增長，濾袋表面吸附的粉塵增多，濾袋的透氣性減弱，使除塵器阻力不斷增大。為保證除塵器的阻力控制在限定的范圍之內，由脈沖控制儀發出信號，循序打開電磁脈沖閥，使氣包內的壓縮空氣由噴吹管各噴孔噴射到對應的文氏管(稱為一次風)，并在高速氣流通過文氏管時誘導數倍于一次風的周圍空氣(稱為二次風)進入濾袋，造成濾袋瞬間急劇膨脹，由于反向脈沖氣流的沖擊作用很快消失，濾袋又急劇收縮，這樣使積附在濾袋外壁上的粉塵被清除。落下的灰塵進入灰庫。Dustygascomesintodustcollectorbodyfromairinlet,finedustparticlesareseparatedatexternalwalloffilterbagduetotheeffectoffilterbag.Purifiedgaspassesthroughthefilterbagaswellastheventuritubeandthenexhaustsfromtheairoutletofuppertank.Astheincreaseofservicetime,moredustisadheredtothesurfaceoffilterbagandtheairpermeabilityoffilterbagislowersothattheresistanceofdustcollectorincreasescontinuously.Inordertoensuretheresistanceofdustcollectoriscontrolledwithinlimitrange,thepulsecontrollersendsoutasignaltoopenelectromagneticpulsevalveinproperorder,thecompressedairinairbagisejectedtocorrespondingventuritubebyeachjetholeonblowingpipe(calledprimaryair),whenhighspeedairflowpassesthroughventuritube,theambientair(calledsecondaryair),ofwhichtheinductioncoefficientistwiceasprimaryair,comesintofilterbag,resultingininstantrapidexpansionoffilterbag,becauseoftheimpacteffectofreversepulseairflow,itdisappearsquickly,thefilterbagretractsrapidlyagain,sothatthedustaccumulatedatexternalwalloffilterbagisremoved.Thefallendustcomesintodustbunker.由于清灰是輪流向幾組濾袋分別進行，并不切斷需要處理的含塵空氣，所以在清灰過程中，除塵器的處理能力不變。Dustremovalrespectivelycarriesouttoseveralfilterbagsinturnanddonotcutoffthedustyairrequiredtobehandled,soduringdustremoval,thehandlingcapacityofdustcollectorisconstant.噴吹系統簡況：噴吹系統的組成如圖三，脈沖閥A端接壓縮空氣氣包，B端接噴吹管。脈沖閥是背壓式控制閥，控制動作由控制儀發出指令。在控制儀無信號輸出時，控制閥的活動鐵芯封住排氣口，脈沖閥處于關閉狀態；當控制儀發出信號時，控制閥將脈沖背壓室與大氣相通，脈沖閥開啟，壓縮空氣由氣包通過脈沖閥經噴吹管小孔噴進文氏管，造成濾袋內瞬時正壓，實現清灰。Blowingsystemintroduction:thecompositionofblowingsystemisasfig.3,portAofpulsevalveconnectstotheairbagofcompressedair,portBconnectstoblowingpipe.Pulsevalveisaback-pressurecontrolvalve,tocontrolactionsbytheinstructionsentoutbycontroller.Whencontrollerdoesnotsendoutsignal,themovableironcoreofcontrolvalvesealsofftheairoutletandpulsevalveisunderoffstate;whencontrollersendsoutasignal,controlvalvemakespulsebackpressurechamberconnectwithatmosphere,pulsevalveopens,thencompressedairisejectedinventuritubefromtheholesofblowingpipeviapulsevalve,resultingininstantpositivepressureinfilterbag,socarryoutdustremoval.四、主要配件Mainaccessories4.1脈沖控制儀Pulsecontroller脈沖控制儀是電脈沖除塵器的主要控制裝置。它輸出的信號控制電磁脈沖閥，噴吹的壓縮空氣對濾袋循序清灰，使除塵器的阻力保持在設定的范圍內，以保證除塵器的處理能力和除塵效率。脈沖寬度和脈沖周期是衡量沖控制儀的兩個重要參數。根據用戶要求，現提供兩種型號控制儀：一種為意大利Mecair公司原裝進口產品，一種為國產優質產品。它們都具有定時清灰，定壓差清灰優點，同時具有全封閉的外殼，防塵性能好，安裝方便。兩種產品有不同的性價比，以滿足不同用戶要求。Pulsecontrollerisamaincontroldeviceofelectricpulsedustcollector.Thesignalsentoutbyitistocontrolelectromagneticpulsevalve,andtheblowingcompressedairremovesdustforfilterbaginproperordersothattheresistanceofdustcollectorholdswithinasettingrangetoensurethehandlingcapacityofdustcollectoranddustcollectionefficiency.Pulsewidthandpulseperiodaretwoimportantparametersformeasuringthepulsecontroller.Accordingtotherequirementsofusers,nowweprovidetwotypesofcontroller:oneisoriginallyimportedproductfromItalyMecaircompany,theotheristhedomestichighqualityproduct.Bothofthemhavesuchfeaturesastimingdustremoval,dustremovalwithconstantpressure,meanwhile,theyhaveclosedcasing,gooddustproofperformanceandeasyinstallation.Bothproductshavedifferentperformancesandpriceratiostomeetdifferentusers'requirements.4.1.1意大利Mecair公司生產的脈沖控制儀PulsecontrollerproducedbyItalyMecaircompany型號:MCSModel:MCS規格:MCS-4,8,12,16,20,24,28Spec.:MCS-4,8,12,16,20,24,28電源:AC220V±10% 50HZPowersupply:AC220V±10% 50HZ輸出電壓:AC220VOutputvoltage:AC220V功率:50WPower:50W脈沖寬度:0.01~10SPulsewidth:0.01~10S脈沖周期:1~1000sPulseperiod:1~1000s壓差輸出:4~20mADifferentialpressureoutput:4~20mA貯存溫度：-20~+80°CApplicationtemperature:-10~+50°C使用溫度：-10~+50°CStoragetemperature:-20~+80C4.1.2國產脈沖控制儀Domesticpulsecontroller型號：DMK-3CSModel:DMK-3CS規格：DMK-3CS-4,6,8,10,12,14,16,18,20Spec.:DMK-3CS-4,6,8,10,12,14,16,18,20輸入電壓：AC220V+10%~-20%Inputvoltage:AC220V+10%~-20%輸出電壓：DC24VOutputvoltage:DC24V功率：8WPower:8W脈沖寬度：0.03~0.2SPulsewidth:0.03~0.2S脈沖間隔：1~30SPulsetime:1~30S壓差輸出：4~20mADifferentialpressureoutput:4~20mA使用溫度：-25~+55CApplicationtemperature:-25~+55C4.2電磁脈沖閥Electromagneticpulsevalve電磁脈沖閥是電脈沖除塵器噴吹清灰系統的主要裝置，它是向濾袋內噴吹壓縮空氣的開關，受脈沖控制儀輸出信號的控制。它是將脈沖閥（差動氣閥）與先導閥（控制閥）組合在一起，除閥體進氣口與儲氣筒金屬管連接外，閥體本身無軟管連接，造型新穎，結構合理，安裝方便，工作可靠，壽命長，清洗力大，耗電最小，閥體采用鋁硅合金鑄成，經表面處理后具有一定的防腐蝕能力。根據用戶需要可提供原裝進口件和國產優質件。Electromagneticpulsevalveisamaindeviceinblowingdustremovalsystemofelectricpulsedustcollector.Itisaswitchtoblowcompressedairtofilterbagandiscontrolledbypulsecontrolleroutputsignal.Itistocombinepulsevalve(differentialairvalve)withpilotvalve(controlvalve),exceptfortheconnectionoftheairinletofvalvebodyandmetalpipeofaircylinder,thevalvebodyhassuchfeaturesasnohoseconnection,newmodel,reasonablestructure,convenientinstallation,reliableoperation,longservicetime,largecleaningforce,minimumpowerconsumption.Thevalvebodyismadeofaluminum-siliconalloy,aftersurfacetreatment,ithasanticorrosioncapacity.Accordingtotherequirementsofusers,wemayofferoriginalimportedproductsanddomestichighqualityproducts.4.2.1意大利Mecair公司生產的電磁脈沖閥ElectromagneticpulsevalveproducedbyItalyMecaircompany型號：VEP206Model:VEP206電壓：AC220VVoltage:AC220V功率：16WPower:16W使用溫度：-20~+80°CApplicationtemperature:-20~+80°C壽命：噴吹100萬次Servicelife:blowing1milliontimes4.2.2國產電磁閥Domesticelectromagneticvalve型號：DMF-Z-20Model:DMF-Z-20電壓：DC24VVoltage:DC24V功率：6WPower:6W使用溫度：-10~55°CServicelife:blowing1milliontimes壽命：噴吹100萬次Applicationtemperature:-10~55C4.3文氏管Venturitube文氏管是清灰系統誘導二次風，加強壓力波的重要部件。Venturitubeisanimportantpartfordustremovalsysteminducingsecondaryairandforreinforcingpressurewave.濾袋框架(龍骨)Filterbagframe(keel)能支撐濾袋在負壓狀態下仍保持有效的過濾面積。采用鼠籠式結構，框架挺拔，剛性好，安裝方便。Itisabletosupportfilterbagtoholdeffectivefilteringareaundernegativepressure.Adoptsquirrelcagestructure,theframeisforcefulwithgoodrigidityandiseasytoinstall.4.5濾袋Filterbag濾袋是過濾含塵氣體的部件。除塵器過濾效果的好壞關鍵在于濾袋材質，用戶可根據工況條件及除塵效率等選擇適宜濾料。Filterbagisapartforfilteringdustygas.Thematerialoffilterbagisthekeytofilteringeffectofdustcollector.Usersmayselectapplicablefilteringmaterialsaccordingtoworkingconditionanddustcollectionefficiency.五、安裝與使用Installationandusage設備起吊時，應注意避免碰損箱體及配件。Payattentiontoavoidbreakingthetankandaccessorieswhenliftingequipment.安裝前對除塵器各部件進行全面檢查，零部件是否完好齊全，如發現缺少損壞或變形者，要修整補齊后方可安裝。Carryoutcompleteinspectionforeachpartofdustcollectorbeforeinstalling,seeifthepartsareundamagedandcomplete,ifanymissing,damageordeformationisfound,itshallberepairedbeforeinstalling.除塵器各法蘭之間應嵌入密封填料才能擰緊螺栓，保證箱體密封可靠，防止漏氣。Insertthesealpackingintoeachflangeofdustcollectorbeforescrewingdownthebolts,ensurethetankissealedandreliable,andpreventairleakage.各人孔，檢查門等處均應有密封嵌條，以保證其密封性。Eachmanhole,accessdoorshallhavesealingstriptoensureitssealability.濾袋要逐條檢查。Checkfilterbagonebyone.濾袋安裝時必須垂直于固定花板：側抽式濾袋用卡箍卡于濾袋框架上；上抽式采用彈性漲圈濾袋，安裝時先把彈性漲圈壓縮，然后放入花板孔內再打開，將濾袋牢固定位，最后將濾袋框架卡于其上。Itmustbeverticaltofixedtubesheetwheninstallingfilterbag:side-drawfilterbagisclippedonfilterbagframebytheclamp;up-drafttypeadoptsexpansionringfilterbag.Wheninstalling,compresstheexpansionringfirstly,thenopenafterputtingintheholeoftubesheet,fixthefilterbagfirmly,finallyfitthefilterbagframeonit.噴吹管固定后，其噴吹孔應對準文氏管中心。Theblowingholeshallbecenteredonthecenterofventuritubeafterblowingpipeisfixed.氣包、電磁脈沖閥噴吹管的連接應可靠密封，不得有漏氣現象。Theconnectionbetweenairbagandelectromagneticpulsevalveblowingpipeshallbereliablysealed,withoutanyairleakage.除塵器進風口、出風口側連通測壓接頭以測量阻力。根據阻力上升情況，確定噴吹間隔時間，保證設備正常運行（根據要求可取消阻力測量）。Sideofairinletandoutletofdustcollectorconnectstopressuretestingadaptertomeasureresistance.Accordingtotheresistanceincreasesituation,determineblowingintervaltimeandensurenormaloperationofequipment(cancelresistancemeasurementasrequired).噴吹用壓縮空氣應去污除油，壓縮空氣在接入除塵器氣包前應設油水分離TO器。Thecompressedairusedforblowing,shallbecleanedandremovedoil.Itshallhaveoilwaterseparatorbeforecompressedairistakenindustcollector.開車步驟(停車步驟與之相反)Startsteps(stopstepsareinreverse)泄去油水分離器和儲氣罐內的凝結水，壓縮空氣的壓力應保持在4~0.6MPa范圍內。Drainoutthecondensationwaterinoilwaterseparatorandaircylinder.Thepressureofcompressedairshallholdintherangeof0.4~0.6MPa.5.11.2開控制儀Startcontroller合上空氣開關，打開脈沖控制儀上的電源開關，開始噴吹。Turnoffairswitch,turnonthepowerswitchonpulsecontrollertostartblowing.檢查每一個電磁閥是否動作。如果沒有動作，請檢查電磁閥的接線是否正確。Checkandseeifeachsolenoidvalveisactive.Ifnoaction,pleasecheckthewiringofsolenoidvalveiscorrect.調節脈沖間隔、脈沖寬度的大小。通過脈沖控制儀上的兩個旋鈕根據工況條件進行調節。Adjustthepulseintervalandthesizeofpulsewidth.Carryoutadjustmentthroughtwobuttonsonpulsecontrolleraccordingtoworkingcondition.六、故障原因與排除方法Failurecauseandeliminationmethod除塵器投入運行后，應設專人管理維修，熟悉除塵器工作原理及技術性能掌握調整與維修方法，每班巡回檢查，建立運行記錄。6.1Itshallarrangepersonneltomanageandmaintain,familiarizetheworkingprincipleandtechnicalperformanceofdustcollector,toknowwellaboutadjustmentandmaintenancemethodsandtocarryoutitinerantinspectionbyeachshiftandestablis