Metso造紙機(jī)紙機(jī)通風(fēng)系統(tǒng)造紙通風(fēng)抄紙培訓(xùn)

1、造紙機(jī)紙機(jī)通風(fēng)系統(tǒng)造紙通風(fēng)抄紙培訓(xùn)PPT造紙機(jī)紙機(jī)通風(fēng)系統(tǒng)造紙通風(fēng)抄紙培訓(xùn)PPT美卓紙機(jī)通風(fēng)系統(tǒng)培訓(xùn)講義（上）通風(fēng)設(shè)備OptiFormerllP 風(fēng)HiCleaner and BlowCleaner 空氣設(shè)備Opti Press 通風(fēng)運(yùn)行系統(tǒng),吹風(fēng)箱PressRunHiRun 4000/2000SymRun PlusUnoRunTwinRu nDoctorVe ntilatorVacRoll exhaust air（風(fēng)轆排風(fēng)）密閉氣罩3B罩內(nèi)通風(fēng)和袋區(qū)通風(fēng)熱回收和密閉通風(fēng)系統(tǒng)碎漿機(jī)排濕風(fēng)機(jī)TurnDry （熱風(fēng)箱）B紅外干燥紙邊回收#OptiFormer and OptiPress venti

2、lation equipment網(wǎng)壓部通風(fēng)OptiFormer and OptiPress 通風(fēng)濕部通風(fēng)的作用盡量保持濕部設(shè)備的清潔：-改善運(yùn)行環(huán)境條件-減少斷紙-減少對(duì)設(shè)備的損傷-減少停機(jī)清洗時(shí)間防止?jié)駳?，液滴和其它水粒子散步到廠房中改善廠房的工作條件，減小濕度，防止建筑物和設(shè)備結(jié)構(gòu)的損傷 改善紙頁的濕度和溫度防止纖維被甩到紙機(jī)周圍的環(huán)境 防止冬季在網(wǎng)部天花板結(jié)冰OptiFormer ventilation 網(wǎng)部9OptiPr9DSR Water separatorAir flow in11DSA Droplet separator 霧氣分離器#HiCleaner and BlowClean

3、er ventilation equipmentHiCleanerFor efficient inner fabric conditioning13#BlowCleanerlTotz>Ljoo <A?.S%-.，外網(wǎng)15J rt卜Runnability systemPressRun blow boxes HiRun2000/4000 blow boxes SymRun Plus blow boxesUnoRun blow boxesTwinRun pocket ventilation box DoctorVentilator pocket ventilator VacRoll ex

4、haust air equipment17Blow box operating principles and conditions吹風(fēng)箱的操作規(guī)程和條件eeSheetFabric or feltFabric or feltOperates by blowing Use of ejection and coanda effectNo mechanical contactUnderpressurized area19o stabilizerWith stabilizerbetween the aper and the abric causes detachmentAir boundary laye

5、r carried by the fabricSheet tends to foil the dryer cylinder Air flows through the fabricCentrifugal forces acting on the sheet21#Blow box操作條件I 為了保證吹風(fēng)箱正常工作I安裝于毯或者毛毯的透氣度從吹風(fēng)箱吹出的空氣量是合適的 噴嘴必須是保持清潔的吹風(fēng)箱的正常運(yùn)行還依靠于 烘缸表面溫度 紙頁水分曲線23#吹風(fēng)箱位置對(duì)其所產(chǎn)生的作用有著 非常大的影響The position of blow boxes both in the machine directio

6、n and cross direction is very important 吹風(fēng)箱與十毯位置與產(chǎn)生負(fù)壓的關(guān) 系如圖所示。The position of blow boxes in relation to fabric is given to the installation drawings.吹風(fēng)箱、干毯位置與紙頁的關(guān)系SHELL23AIR FLOW, %#25PressRun (twoTotal pressureStatic pressureAir flowon flange, Paon flange, Pam3/h/m320030001400270025002x 12003200300

7、01400arts'PressRun (oneUnoRun1600SvmRun Plus1200700014001000670010007001250UnoRun Ventilator700-1200500-1000400-800TwinR un170015001250-1400Uniflow800600750Uniflow B800600750HiRun 2000, 4000 (su#PressRun blow boxPressRun27PressRun blow box 壓榨吹風(fēng)箱保持紙頁在從壓榨部向烘干部傳遞過程中與干網(wǎng)緊密結(jié)口E由吹風(fēng)箱向外吹風(fēng)，在吹風(fēng)箱與毛布或干網(wǎng)之間形成負(fù)壓

8、區(qū)域。在負(fù)壓作用下，防I上了紙頁在壓榨部，干部出現(xiàn)掉邊現(xiàn)象。 毛布和干網(wǎng)均不和吹風(fēng)箱接觸。吹風(fēng)箱的空氣流采用的現(xiàn)場取風(fēng)，經(jīng)山風(fēng)筒吹向吹風(fēng)箱后在散失在 周圍環(huán)境中。壓榨吹風(fēng)箱所用的的風(fēng)是需要蒸汽加熱的29PressRun blow box#HiRun 2000/4000 blow boxes烘干部31Centrifugal forceL悶"RBHMHM#PaperHiRun space: hiqh vacuum zone Pocket space: normal vacuum zoneVacuum in VacRolln 4000 blow boxp-run siaeNip plate

9、s2. Down-run nozzleAX JI3. Suction zoneif4. CD vacuum dividerA1.Suction ductown-run side = MiKun sideFlexible HiRun components:Clearanee adjustment for the vacuum dividerLoadinq hose of the vacuum dividernd sealing with edge nozzlesAir amount adjustment of the uprun side nozzleCD nozzle on the uprun

10、 sideRail for cleaninq the VacRoll#35#Flexible HiRun cc4. Nip plate2. Downrun noz:p-run side3. CD labyrinth sNip platesClearance adjust the labyrinth seaEnd sealing with edge nozzlesAir amount adjustment of the up-run side nozzleCD nozzle on the uprun side Rail for cleaninq the VacRollStandard insta

11、llation distances of flexible HiRun compone nts5 mm between nip plate and fabric 8±1 mm between box and fabric3 mm between vacuum divider and fabric5 mm between vacuum divider and fabric39#Pressurized locking hose of the vacuum dividerUnpressurized locking hose of the vacuum divider#INLET PRESS

12、URE6 bar為解決密封設(shè)計(jì)的加載鎖定軟管PRESSURE REDUCERr:；OUTLET PRESSURE；0,5 barOUTSIDE OF THE HOODTO THE NEXT HIRUN BLOW BOXD ITBALL VALVE WITH DRAIN HOLE IN CLOSE POSITIONBALL VALVE WITH DRAIN HOLE IN CLOSE POSITION密封塊的調(diào)整單元41更換干網(wǎng)之前的檢查I卸載軟管的壓力清洗吹風(fēng)箱，特別是負(fù)壓區(qū)域。檢查吹風(fēng)箱的功能是否完好。（包括密封板，引紙風(fēng)板，吸盤, 真空分配器）密封板與干網(wǎng)的距離至少要在15mm。保持烘缸表

13、面清潔度。例如烘缸表而的結(jié)垢必須在停機(jī)期間清 理掉。43更換干網(wǎng)#Thin band更換干網(wǎng)注意事項(xiàng)通常干網(wǎng)是沿著運(yùn)行方向換上去的在更換干網(wǎng)之前-淀要確保HiRun的所有組件要遠(yuǎn)離烘缸Ifil15mm以上。 在換干網(wǎng)過程中，當(dāng)干網(wǎng)通過吹風(fēng)箱時(shí)定要加倍小心。在新干網(wǎng)與舊十網(wǎng)連接處，連接帶必須是順從紙機(jī)方向，不能有大的結(jié)或 者褶皺。在系連接帶時(shí)，盡量不要用原有的干網(wǎng)接頭，經(jīng)過老化不是很牢固，因此 需要新開孔。在更換完干網(wǎng)后檢查After changing the fabric真空分配器密封條的檢查。吹風(fēng)箱的柔性密封是否在最佳位置。丁網(wǎng)在吹風(fēng)箱的彎曲程度。干網(wǎng)必須保持不能和真空吹風(fēng)箱有任何接觸。Cl

14、eaning of the blow boxes on the outside 吹風(fēng)箱外部的清洗I 用壓縮空氣吹掃吹風(fēng)箱（穩(wěn)定器）上的紙片，紙毛和灰塵。如果有必要在采用高壓噴頭清洗前先對(duì)吹風(fēng)箱和支架進(jìn)行清洗。 高真空區(qū)域和真空分配器要仔細(xì)清洗并且要徹底。在清洗過程中要保持吹風(fēng)箱風(fēng)機(jī)是開啟的，防止清洗下來的雜 物命進(jìn)吹風(fēng)箱內(nèi)。使用專用的高壓清洗裝置從清洗孔對(duì)吹風(fēng)箱吹風(fēng)口狹縫進(jìn)行清 洗。Cleaning of the blow boxes 吹風(fēng)箱（穩(wěn)定器）清洗45清洗吹風(fēng)箱47Cleaning nozzlePlugged hole for1. Nip plate unfasten screws (

15、2 pcs M10) remove the plate#2 End plate-unfasten screws (2 pcs M6) remove the plate3 PTFE-strip (teflon) draw the old strip out Push the new strip from the tending side and pull it by a thread from the drive side in place (Drill a 5 mm hole in the strip on the drive side edge for pulling the new str

16、ip)4. Adjustment of distance of the labyrinth seal Adjust the labyrinth seal at the distance according to the installation and start-up minutes 吹風(fēng)箱的檢修維護(hù)周期Basic ServiceInspectio1 yearIn spectionCleaning Service49VENTILATION EQUIPMENTFOR A PAPER MACHINE美卓紙機(jī)通風(fēng)系統(tǒng)培訓(xùn)講義（下）SymRun Plus blow boxes干部穩(wěn)定器功能#SymR

17、un Plus blow box紙頁穩(wěn)定器SymRun Plus blow box7VacRoll washout doorFelxible blowing nozzle slots53End nozzle slotSingleForce tail threading plate55#SvmRun Plus control damper closedVacRoll control damoer closedKnock-down blow57Plugged washing holes of nozzle slots# Plugged water outlet 廠 behind the washo

18、ut doorUnoRun blow boxes干部UnoRun blow box59UnoRun blow box UnoRun吹風(fēng)箱#TwinRun blow boxes后烘TwinRun blow boxes 后烘#TwinRn blow box63TwinRun blow boxes有兩個(gè)作用:- 是保證運(yùn)行效率，二是配合袋區(qū)通風(fēng)。上要由兩個(gè)UnoRun噴嘴改善運(yùn)行效率將引紙過程中塞紙的* >1能件降至最小, 向上吹風(fēng)的噴嘴是可調(diào)的為了確保烘干部的通風(fēng)平衡TwinRun blow box配備了通風(fēng)噴嘴。TwinRun blow box出現(xiàn)問題時(shí)應(yīng)該檢查如果運(yùn)行出現(xiàn)問題，請(qǐng)檢查：T

19、winRun風(fēng)機(jī)是否運(yùn)行。風(fēng)機(jī)節(jié)流器是否正常工作。每個(gè)風(fēng)管的調(diào)節(jié)閥門是否在正確位置穩(wěn)定器噴嘴是否清潔、干網(wǎng)的透氣度是否能達(dá)到標(biāo)準(zhǔn) 網(wǎng)是彳、是足夠的潔凈。穩(wěn)定器位于紙機(jī)橫向和縱向的位置是否嚴(yán)格按照安裝圖紙安裝的。65DoctorVentilator刮刀吹風(fēng)Combined Doctor and Pocket Ventilator 刮刀與袋區(qū)通風(fēng)6617 metsDoctorVentilator67VacRoll exhaust air風(fēng)輻VacRoll exhaust air 風(fēng)輻69TTTClosed hood密閉氣罩Closed hood密閉氣罩#Closed hood and baseme

20、nt hood 密閉氣罩和一樓密封罩準(zhǔn)確的調(diào)整烘干部通風(fēng)對(duì)紙機(jī)的益處能維持一個(gè)好的水分曲線 一個(gè)優(yōu)化的能量處理密閉氣罩防上熱量和潮濕的空氣散失到整個(gè)廠房內(nèi)0 減少有害的噪音減少熱輻射減少由于溫差引起的空氣流動(dòng)Exhaust Air = Supply air + Leagage air(Hood constant)75調(diào)整通風(fēng)系統(tǒng)的平衡#Supply air rate too low Correct supply air rate Supplv air rate too highUNDERPRESSUREt H ”O(jiān)VER-.PRESSUREExhausair77Heat recovery sy

21、stem熱回收系統(tǒng)Customer deliveryHeat Recovery System 熱回收系統(tǒng)用回收的熱量減少能量消耗。整個(gè)過程是密閉的，是水蒸氣回到系統(tǒng)循環(huán)使用。排風(fēng)中的水霧會(huì)被冷凝回收 將對(duì)外界的水負(fù)載要求降至最低 熱回收系統(tǒng)起到除濕器的作川77#TurnDry air dryer一熱風(fēng)干燥箱Air dryers-熱風(fēng)干燥在熱風(fēng)干燥箱內(nèi)，紙頁被從紙的兩側(cè)吹出的熱風(fēng)干燥。熱風(fēng)的加熱依靠是天然氣。無接觸式干燥的效果取決于-個(gè)好的吹風(fēng)曲線。干燥的空氣通過噴嘴吹到紙頁表面。空氣通過位于兩個(gè)噴嘴之間的吸氣箱吸收回系統(tǒng)再次循環(huán)利用。 烘箱的下半部分通過液壓缸動(dòng)作，主要是為了便于引紙和清理。在

22、 斷紙時(shí)烘箱會(huì)自動(dòng)打開。79TurnDry 一空氣轉(zhuǎn)向器TurnDry空氣轉(zhuǎn)向器ITurnDry是與熱風(fēng)箱集成在一起的一個(gè)紙頁轉(zhuǎn)向裝置。 保證紙頁在一定的角度和干度下轉(zhuǎn)過轉(zhuǎn)向器。 熱風(fēng)干燥的組成：一對(duì)熱風(fēng)箱 循環(huán)風(fēng)系統(tǒng) 排氣裝置81Contactless turning of webAuto clearanee control#Lower heat and humidity load to machine hallDrying capacityspace saving83#9 hI Exhaust air fanCirculation air fanDamper for short circu

23、lationBalancing dampersCirculation air fan85#Make-up air ductTurnFloat fan0Exhaust air fan#Combustion air fanGas burner in the ductBy-pass duct for short circulationTurnDry, tending side 操作側(cè)視圖#、Blowinq air to the top box nozzlesSuction air from the top box suction areBlowing air to the bottom box nozzlesSuction air from the bottom box suction area87Blowing airthe air turn nozzlesTurnDry nozzles and suction areas 熱風(fēng)箱的噴嘴和吸區(qū)之間的吸區(qū)89Gas burners一天然氣燃燒爐Gas burner unit天然氣燃燒單元91Control Panel控制臺(tái)ss3#Burner