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DMC24-84型电脉冲除尘器DMC24-84Model ElectricPulse DustCollector使用说明书Operation Instruction江苏国能环保设备有限公司Jiangsu GuonengEnvironment ProtectionEquipment Co.,Ltd.Application temperature:・10〜+50°C使用温度-10〜+50°C Storagetemperature:・20〜+80°C
4.
1.2国产脉冲控制仪Domestic pulse controller型号DMK.3CS Model:DMK-3CS规格DMK.3CS.4,6,8,10,12,14,16,18,20Spec.:DMK-3CS-4,6,8,10,12,14,16,18,20输入电压AC220V+10%~・20%Input voltage:AC220V+10%〜・20%输出电压DC24V Outputvoltage:DC24V功率8W Power:8W脉冲宽度
0.03〜
0.2S Pulse width:
0.03~
0.2S脉冲间隔1〜30S Pulsetime:1~30S压差输出4~20mA Differentialpressure output:4〜20mA使用温度-25~+55°C Application temperature:・25〜+55°C
4.2电磁脉冲阀Electromagnetic pulse valve电磁脉冲阀是电脉冲除尘器喷吹清灰系统的主要装置,它是向滤袋内喷吹压缩空气的开关,受脉冲控制仪输出信号的控制它是将脉冲阀(差动气阀)与先导阀(控制阀)组合在一起,除阀体进气口与储气筒金属管连接外,阀体本身无软管连接,造型新颖,结构合理,安装方便,工作可靠,寿命长,清洗力大,耗电最小,阀体采用铝硅合金铸成,经表面处理后具有一定的防腐蚀能力根据用户需要可提供原装进口件和国产优质件Electromagnetic pulse valve is a maindevice inblowing dust removal systemof electric pulse dust collector.It is a switchto blowcompressed airto filter bag andis controlledby pulse controller outputsignal.It is to combinepulse valvedifferential airvalve withpilot valvecontrol valve,except forthe connectionof theair inletof valvebody andmetal pipeof air cylinder,the valvebody hassuch featuresas nohose connection,new model,reasonable structure,convenient installation,reliable operation,long service time,large cleaningforce,minimum powerconsumption.The valvebody ismade ofaluminum-silicon alloy,after surfacetreatment,it hasanticorrosion capacity.According to the requirementsof users,we mayoffer originalimported productsand domestic high quality products.
4.
2.1意大利Mecair公司生产的电磁脉冲阀Electromagnetic pulse valve produced by Italy Mecair company型号VEP206Model:VEP206电压AC220V Voltage:AC220V功率16W Power:16W使用温度-20~+80°C Application temperature:・20〜+80°C寿命喷吹100万次Service life:blowing1million times
4.
2.2国产电磁阀Domestic electromagneticvalve型号DMF・Z・20Model:DMF-Z-20电压DC24V Voltage:DC24V功率6W Power:6W使用温度・10〜55°C Servicelife:blowing1million times寿命喷吹100万次Applicationtemperature:・10~55°C
4.3文氏管Venturi tube文氏管是清灰系统诱导二次风,加强压力波的重要部件Venturi tubeis animportant part for dust removal systeminducing secondary air andfor reinforcingpressure wave.
4.4滤袋框架龙骨Filter bag frame keel能支撑滤袋在负压状态下仍保持有效的过滤面积采用鼠笼式结构,框架挺拔,刚性好,安装方便It is able tosupport filter bag tohold effectivefiltering areaunder negativepressure.Adopt squirrelcage structure,the frameis forcefulwith goodrigidity andis easyto install.
4.5滤袋Filter bag滤袋是过滤含尘气体的部件除尘器过滤效果的好坏关键在于滤袋材质,用户可根据工况条件及除尘效率等选择适宜滤料Filter bag is apartforfiltering dustygas.The materialof filter bag is the keyto filteringeffect of dust collector.Users mayselect applicablefiltering materialsaccording to working condition and dust collection efficiency.
五、安装与使用
5.Installation andusage
5.1设备起吊时,应注意避免碰损箱体及配件
5.1Pay attentionto avoidbreaking thetank andaccessories whenlifting equipment.
5.2安装前对除尘器各部件进行全面检查,零部件是否完好齐全,如发现缺少损坏或变形者,要修整补齐后方可安装
5.2Carry outcomplete inspectionfor eachpart of dust collectorbefore installing,see ifthe partsare undamagedand complete,if anymissing,damage ordeformation is found,it shall be repairedbefore installing.
5.3除尘器各法兰之间应嵌入密封填料才能拧紧螺栓,保证箱体密封可靠,防止漏气
5.3Insert theseal packinginto eachflange of dust collectorbefore screwingdown thebolts,ensure thetank issealed andreliable,and preventair leakage.
5.4各人孔,检查门等处均应有密封嵌条,以保证其密封性
5.4Each manhole,access doorshall havesealing stripto ensureits sealability.
5.5滤袋要逐条检查
5.5Check filter bag oneby one.
5.6滤袋安装时必须垂直于固定花板侧抽式滤袋用卡箍卡于滤袋框架上;上抽式采用弹性涨圈滤袋,安装时先把弹性涨圈压缩,然后放入花板孔内再打开,将滤袋牢固定位,最后将滤袋框架卡于其上
5.6It mustbe verticalto fixedtube sheetwhen installingfilter bag:side-draw filter bag isclipped onfilter bagframe bythe clamp;up-draft typeadopts expansion ring filter bag.When installing,compress theexpansionringfirstly,then openafter puttingin thehole oftube sheet,fix the filter bagfirmly,finally fitthe filter bagframeon it.
5.7喷吹管固定后,其喷吹孔应对准文氏管中心
5.7The blowinghole shall be centeredon thecenter ofventuri tubeafter blowing pipe isfixed.
5.8气包、电磁脉冲阀喷吹管的连接应可靠密封,不得有漏气现象
5.8The connectionbetween air bag andelectromagnetic pulse valve blowing pipe shallbe reliablysealed,without anyair leakage.
5.9除尘器进风口、出风口侧连通测压接头以测量阻力根据阻力上升情况,确定喷吹间隔时间,保证设备正常运行(根据要求可取消阻力测量)
5.9Side ofair inletand outlet of dust collector connects to pressuretesting adapterto measureresistance.According to the resistanceincrease situation,determine blowinginterval timeand ensurenormal operationof equipmentcancel resistancemeasurement asrequired.
5.10喷吹用压缩空气应去污除油,压缩空气在接入除尘器气包前应设油水分离耍irr o
5.10The compressed air used for blowing,shallbecleaned andremoved oil.It shallhave oil water separatorbefore compressedair istaken indust collector.
5.11开车步骤停车步骤与之相反
5.11Start stepsstop stepsare inreverse
5.
11.1泄去油水分离器和储气罐内的凝结水,压缩空气的压力应保持在4〜
0.6MPa范围内
5.
11.1Drain outthe condensationwater inoilwater separator and air cylinder.The pressureof compressedair shallhold inthe rangeof
0.4~
0.6MPa.
5.
11.2开控制仪
5.
11.2Start controllera.合上空气开关,打开脉冲控制仪上的电源开关,开始喷吹a.Turn offair switch,turn onthe powerswitch on pulse controllerto startblowing.b.检查每一个电磁阀是否动作如果没有动作,请检查电磁阀的接线是否正确b.Check andsee ifeach solenoid valve isactive.If noaction,please checkthe wiringof solenoid valve iscorrect.c.调节脉冲间隔、脉冲宽度的大小通过脉冲控制仪上的两个旋钮根据工况条件进行调节c.Adjust the pulse intervaland thesize of pulse width.Carry out adjustment throughtwo buttonsonpulsecontroller according toworking condition.
六、故障原因与排除方法
6.Failure causeand eliminationmethod
6.1除尘器投入运行后,应设专人管理维修,熟悉除尘器工作原理及技术性能,掌握调整与维修方法,每班巡回检查,建立运行记录
6.1It shallarrange personnelto manageand maintain,伯miliarize the working principleand technicalperformance ofdust collector,to know well aboutadjustment andmaintenance methodsand tocarry outitinerant inspectionby eachshift andestablish operatingrecord after dust collectorput intoservice.
6.2压缩空气的油水分离器、过滤器、储气罐和气包定期排污放空
6.2Drain contaminationand emptyoil-waterseparatorof compressedair,filter,aircylinderandair bag regularly.
6.3压缩空气的过滤材料每隔4-6个月更换一次
6.3Change filteringmaterials of compressedairone timeper4-6months.
6.4电磁脉冲阀定期检查,并更换易损件
6.4Check electromagnetic pulsevalveregularly andreplace wearingparts,
6.5经常检查除尘器进、出口压差变化情况,如超过或低于规定范围,必须查明原因,一般通过脉冲控制仪调整喷吹周期来解决
6.5Check thedifferential pressurevariation ofinlet,outletofdust collector.If it is aboveor belowthe specifiedrange,it mustfind outthe reason,generally,it issettled byadjusting blowingperiod throughpulsecontroller.
6.6各类橡胶密封件应定期更换
6.6Various rubbersealing membersshallbereplaced regularly.
6.7排气口如有冒灰现象,应检查滤袋是否脱落破损
6.7If dustspreads atair outlet,check filter bag ifit isfallen offor broken.
6.8如每次清灰后发现排气口冒灰,则属清灰过度,应调整清灰周期
6.8If itisfoundthat dustspreads atair outletafterdust removal eachtime,itisexcessive dust removal,so it shall adjustthe periodofdustremoval.
6.9应定期检查滤袋完好状况三个月一次,若有破损应立即更换、修补修补时应用与滤袋相同材料贴补,严禁只用线对口缝合o布袋一般使用期为1-2年
6.9Check filter bag isin goodcondition regularlyonce perthree months,if anydamage isfound,it shallreplace andrepair immediately.It shallapply samematerial asfilter bagto repair.Do notsew upby threads.Normal servicetime ofcloth bag is1-2year.
6.10经常保持除尘器本体的清洁,油漆有碰损处应及时涂补,至少每二年刷漆一遍
6.10Maintain thecleanness ofdust collectorfrequently.If anypainting isbroken,itshallbe paintedin time.It shallbe paintonce pertwo years.
七、易损件清单
7.Wearing partslist易损件滤袋cp130x1800Wearing parts:filter bagp130x1800
一、刖言
1.Foreword电脉冲除尘器是针对火力发电厂灰库、渣库工况条件专门设计的高效净化专用设备,它采用了先进的清灰技术,具有气体处理能力大,净化效果好,结构简单,工作可靠,维修量小等优点在结构设计上已考虑到了其布置特点,产品密封性好,可露天布置Electric pulse dust collector isahigh efficiencypurified specialequipment,which isdesigned fordust bunker,ash siloof thermalpower plant.It adoptsadvanced dustremoval technology,which hassuch featuresas largegas processingcapacity,good purifyingeffect,simple structure,reliable operationand lessmaintenance.Consideration hasbeen takeninto itslayout characteristicon structuredesign,the sealingproperty ofproduct isgood and the productcan belaid inthe openair.本产品经电站长期使用证明性能稳定,运行可靠,深受设计选用单位及用户的好评After beingusedforlong timeby powerstation,the producthas provedthat:steady performance,reliable operation,and hasgained highopinions bythe unitsselecting thedesign andusers.
二、技术参数
2.Technical parameters
2.1电脉冲除尘器型号含议
2.1Model andsignification of electric pulsedust collector:DMC结构形式I侧取式,代号可省略II上抽式Structure formI:side-draw type,symbol can be omittedII:up-draft type滤袋数量Quantity of filterbag电脉冲除尘器Electric pulsedust collector
2.2技术指标
2.2Technical indicators
2.
2.1过滤风速
2.
2.1Filtering wind speed过滤风速是指气体通过滤袋的速度,可按下式计算Filtering windspeed isthe speedgas passingthrough filterbag,which canbe calculated as per following formula:V=Q/60•F式中V-过滤风速m/min Q-处理气体量m3/h F-过滤面积m2V=Q/60-F Informula:V・filtering windspeed m/min Q・gas processingquantity m3/h F■filtering aream2根据灰库工况,一般选择V1m/min According to theworkingconditionin ashstorage bin,generally selectV1m/min.
2.
2.2滤袋材质滤料
2.
2.2Filter material滤料根据工况条件及除尘要求选择Filter materialis selectedaccordingto theworkingconditionanddustremovalrequirements.表一Table1使用温度°C耐化学性品种Applicationtemperature°C Chemicalresistance Type连续瞬间耐酸性耐碱性Continues InstantAcid resistanceAlkali resistance聚酯纤维强中130150Polyester fiberStrong Medium诺美科斯中中204240Nuomeikesi Medium Medium玻璃纤维中中260300Glass fiberMediumMedium
2.
2.3清灰气源
2.
2.3Dust removalair supply
2.
2.
3.1气源品质压力露点-20°C含油量5ppm含尘量5mg/m
32.
2.
3.1Air supplyquality Pressuredew point-20°C Oilcontent5ppm Dustcontent5mg/m
32.
2.
3.2气源压力
2.
2.
3.2Air supplypressure
0.4~
0.6MPa
2.
2.4耗气量耗气是一可按下式计算Q=a•n•q/T式中Q-每台电脉冲除尘器耗气量m3/min n-电磁阀数量个T-脉冲周期min q-每个电磁阀喷吹时的耗气量n,当喷吹压力
0.6MPa,喷吹时间
0.2s时,q=
0.03m3a-裕度系数,取
1.
22.
2.4Air consumptionAir consumptioncanbecalculatedasperfollowingformula:Q=a•n•q/T Informula:Q-air consumptionof eachelectric pulsedust collectorm3/min n一quantity ofsolenoidvalvepcs T・pulse periodmin q・air consumptionm3when eachsolenoidvalveblows,when blowingpressure is
0.6MPa andblowing timeis
0.2s,q=
0.03m3a-tolerance coefficient,take
1.
22.3电脉冲除尘器和种类选取
2.3Selection types ofelectric pulsedust collector本除尘器在结构上有两种形式,一种为布袋侧取式结构,另一种为布袋上抽式结构,分别适应不同的场合The dust collector hastwo typesof structure,one isside-draw bag-type structure,the otheris up-draft bag-type structure,which issuitable fordifferent situations.
2.4技术参数见下表
2.4Technical parameterssee followingtable型号Model DMC-24DMC-36DMC-48DMC-60DMC-72DMC-84技术参数Technical parameters过滤面积m2223445576879Filtering aream2滤袋数量243648607284Quantity of filterbag滤袋规格I mm|4130X6130X2500mm Spec,of filterbag I mm I1800mm设备阻力I KPa I
1.0-
1.2Kpa Equipmentresistance IKPaI除尘效率99-
99.5%Dust removalefficiency过滤风速I m/min I
0.8-
1.2m/min FilteringwindspeedI m/min I处理风量Im7h I1320-2040-2700-3400-4080-4740-Processing airvolume Im3/h I264040805400680081609480喷吹压力I MPa I
0.5-
0.7MPa Blowingpressure IMPaI喷吹风量1m3/h I
0.072-
0.108-
0.144-
0.18-
0.216-
0.252-Blowing airvolume
0.
1440.
2160.
2880.
360.
4320.5041m3/h1输入电压v Inputvoltagev
三、结构与工作原理三.Structure andworking principle
3.1结构简介Structure introduction电脉冲除尘器的基本结构由四大部分组成.The basicstructure ofelectricpulsedust collectoris composedof fourparts.a.上箱体包括可掀起的盖板或紧固式上盖板和出风口a.Upper tank:including removablecover plateor fasteningupper coverplate andair outlet.b.中箱体包括多孔板、检修门、滤袋、龙骨等b.Middle tank:including perforatedplate,access door,filterbag,keel.c.下箱体包括测压接头等c.Bottom tank:including pressuretesting adapter.d.喷吹系统包括脉冲控制仪d.Blowing system:including pulsecontroller,electromagneticpulsevalve,blowing pipe,air bag.
3.2工作原理Working principle含尘气体由进风口进入除尘器箱体内,细小尘粒由于滤袋的多种效应作用,被滞阻在滤袋外壁净化后的气体通过滤袋经文氏管从上箱体出风口排出随着使用时间的增长,滤袋表面吸附的粉尘增多,滤袋的透气性减弱,使除尘器阻力不断增大为保证除尘器的阻力控制在限定的范围之内,由脉冲控制仪发出信号,循序打开电磁脉冲阀,使气包内的压缩空气由喷吹管各喷孔喷射到对应的文氏管称为一次风,并在高速气流通过文氏管时诱导数倍于一次风的周围空气称为二次风进入滤袋,造成滤袋瞬间急剧膨胀,由于反向脉冲气流的冲击作用很快消失,滤袋又急剧收缩,这样使积附在滤袋外壁上的粉尘被清除落下的灰尘进入灰库Dusty gascomes into dust collectorbody fromair inlet,fine dustparticles areseparated atexternal wallof filterbag duetotheeffect offilterbag.Purified gaspasses throughthe filterbag aswell asthe venturi tube and then exhaustsfrom theair outletof uppertank.As theincrease ofservicetime,more dustis adheredtothesurface offilterbagandtheair permeabilityoffilterbagislower so that the resistance ofdustcollectorincreases continuously.In orderto ensure theresistance ofdustcollectoriscontrolled withinlimit range,thepulsecontroller sends outa signal toopen electromagneticpulsevalvein properorder,the compressedair inairbagis ejectedto correspondingventuri tubeby eachjet holeon blowingpipe calledprimary air,when highspeed air flow passesthrough venturitube,the ambientair calledsecondaryair,of whichthe inductioncoefficient istwice asprimary air,comes intofilterbag,resulting ininstant rapidexpansion offilterbag,because ofthe impacteffect ofreverse pulseairflow,it disappearsquickly,thefilterbag retractsrapidly again,sothat the dustaccumulated atexternal walloffilterbagisremoved.The fallendust comesintodustbunker.由于清灰是轮流向儿组滤袋分别进行,并不切断需要处理的含尘空气,所以在清灰过程中,除尘器的处理能力不变Dust removalrespectively carriesout toseveral filterbags inturn anddo notcut off the dustyair requiredto behandled,so duringdustremoval,the handling capacity ofdustcollectoris constant.喷吹系统简况喷吹系统的组成如图三,脉冲阀A端接压缩空气气包,B端接喷吹管脉冲阀是背压式控制阀,控制动作由控制仪发出指令在控制仪无信号输出时,控制阀的活动铁芯封住排气口,脉冲阀处于关闭状态;当控制仪发出信号时,控制阀将脉冲背压室与大气相通,脉冲阀开启,压缩空气由气包通过脉冲阀经喷吹管小孔喷进文氏管,造成滤袋内瞬时正压,实现清灰Blowing systemintroduction:the compositionof blowingsystem isas fig.3,port Aofpulsevalve connectstotheairbagofcompressedair,port Bconnectstoblowingpipe.Pulse valve isaback-pressure control valve,to controlactions bythe instructionsent outby controller.When controllerdoes notsend outsignal,the movableiron coreof controlvalve sealsofftheair outletand pulsevalveisunder offstate;when controllersendsoutasignal,controlvalvemakes pulseback pressurechamber connectwith atmosphere,pulsevalveopens,then compressedair isejected inventuritubefrom theholes ofblowingpipevia pulsevalve,resulting ininstant positivepressure infilterbag,so carryout dustremoval.
四、主要配件
4.Main accessories
4.1脉冲控制仪Pulse controller脉冲控制仪是电脉冲除尘器的主要控制装置它输出的信号控制电磁脉冲阀,喷吹的压缩空气对滤袋循序清灰,使除尘器的阻力保持在设定的范围内,以保证除尘器的处理能力和除尘效率脉冲宽度和脉冲周期是衡量冲控制仪的两个重要参数根据用户要求,现提供两种型号控制仪一种为意大利Mecair公司原装进口产品,一种为国产优质产品它们都具有定时清灰,定压差清灰优点,同时具有全封闭的外壳,防尘性能好,安装方便两种产品有不同的性价比,以满足不同用户要求Pulse controllerisamain controldevice ofelectricpulsedustcollector.The signalsent outby itistocontrol electromagneticpulsevalve,andtheblowing compressedair removesdust forfilterbagin properorder sothattheresistanceofdustcollectorholds withina settingrange toensurethehandlingcapacityofdustcollector anddustcollectionefficiency.Pulsewidthand pulseperiod aretwo importantparameters formeasuring thepulsecontroller.Accordingtothe requirementsof users,nowweprovide twotypesofcontroller:one isoriginally importedproduct fromItaly Mecaircompany,the otheristhedomestichighqualityproduct.Both ofthem havesuch featuresas timingdustremoval,dustremovalwith constantpressure,meanwhile,they haveclosed casing,good dustproof performanceand easyinstallation.Both productshave differentperformances andprice ratiosto meetdifferent users5requirements.
4.
1.1意大利Mecair公司生产的脉冲控制仪Pulse controllerproducedbyItalyMecaircompany型号MCS Model:MCS规格MCS-4,8,12,16,20,24,28Spec.:MCS-4,8,12,16,20,24,28电源AC220V±10%50HZ Powersupply:AC220V+10%50HZ输出电压AC220V Outputvoltage:AC220V功率50W Power:50W脉冲宽度
0.01-10S Pulsewidth:
0.01~10S脉冲周期1〜1000s Pulseperiod:1〜1000s压差输出4〜20mA Differentialpressure output:4〜20mA贮存温度・20〜+80°C。