鋼管熱鍍鋅φ114生產(chǎn)線技術(shù)操作規(guī)程_第1頁
鋼管熱鍍鋅φ114生產(chǎn)線技術(shù)操作規(guī)程_第2頁
鋼管熱鍍鋅φ114生產(chǎn)線技術(shù)操作規(guī)程_第3頁
已閱讀5頁,還剩45頁未讀, 繼續(xù)免費閱讀

下載本文檔

版權(quán)說明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請進行舉報或認領

文檔簡介

鋼管熱鍍鋅$114生產(chǎn)線技術(shù)操作規(guī)程頁碼2/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號目錄Contents第一部分生產(chǎn)概況 2SectiononeGeneraldescriptionoftheproductionline一、生產(chǎn)工藝流程圖 2Processflowdiagram二、 工藝平面布置示意圖 2Layoutsketch三、 原料規(guī)格及執(zhí)行標準 2Specificationofmaterialanditscriteria四、 試生產(chǎn)說頁碼3/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號Starting-upillustration第二部分設備的主要技術(shù)性能 ?……5Section twoMain technicalcharacteristicsoftheequipments一、鋼管前處理段 4Pre-treatmentofsteelpipes二、烘干爐 5Dryingoven三、入料車昆道 6Feedingrollers四、鍍鋅Galvanizingfurnace頁碼4/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號五、鍍鋅鍋 8Galvanizingvat六、 浸鋅機構(gòu) 8Dippingunit七、 撥料機構(gòu) 8Kickoutunit八、 提升機構(gòu) 8Liftingunit九、磁力輥 8Magneticroller十、夕卜吹 頁碼5/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號 8Externalblowing十^一、磁力輥升降機構(gòu) 9Elevation deviceofmagneticroller十二、曳出輥道 9Pullingoutroller十三、貓頭叉橫移機構(gòu) 9Fork-shaped transverse movingdevice十四、內(nèi)吹和升降機構(gòu) 9Internal blowingandelevationdevice十五、冷卻水頁碼6/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號槽 9Coolingwatertank十六、檢查臺架 10Checktable十七、鈍化輥道 10Passivationroller十八、鈍化噴淋站 10Sprayingstationforpassivation十九、烘干臺架 10Dryingtable二十、打印輥頁碼7/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號Stamproller二一、打印機 10Stampmachine二二、六角打包設備 10Packagingtools二三、除塵器 10Cleaner二四、電器設備 10Electricaldevice第三部分 鍍鋅車間技術(shù)操作規(guī)程 ???11SectionthreeOperatinginstructionofgalvanizingworkshop頁碼8/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號一、目的 11Purposes二、 使用范圍 11Applyingscope三、 工作程序 11Workingprocedures3.1、酸洗工序 11Acidcleaning、 火 炕 工序 11Heating、 鋅 鍋 工序 頁碼9/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號11Dipping3.4 、內(nèi) 外 吹工序…12Blowing3.5 、鈍 化 水 洗工序… 12Passivationandwash3.6 、檢 驗工序…?12Check3.7、 司爐工…?…12Operators錄修訂狀況記Recordofrevision頁碼10/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號 12第一部分生產(chǎn)概況SectiononeGeneraldescriptionoftheproductionline一. 生產(chǎn)工藝流程圖Processflowdiagram鋼管熱鍍鋅生產(chǎn)線是將成品黑管經(jīng)過表面處理后自動侵鋅,在鋼管內(nèi)外表面鍍一層耐腐蝕、表面光潔鋅層的生產(chǎn)設備。Steelpipehot-dipgalvanizinglineistheautomaticequipmentstoproduceresistantandsmoothlayeronthesurfaceofrawpipesaftercleaning.

頁碼11/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號.工藝平面布置示意圖(附)Layoutsketch(enclosed).原料規(guī)格及執(zhí)行標準Specificationofmaterialanditscriteria?114生產(chǎn)線 產(chǎn)品大纟岡 mainparametersof?114productionline序號number規(guī)格specification壁厚mmThickness單重kg/mUnitweight6m重kgWeightper6m小時產(chǎn)量支/時Yieldbypieces小時產(chǎn)量公斤/時Yieldbyweight面積產(chǎn)量m2/時yieldbyarea所占比例%Proportion年工作時間小時Runningtimeperyear年產(chǎn)量噸Yearlyyieldbyweight年面積產(chǎn)量m2Yearlyyieldbyarea.311801II65222000071404018401368700000.48480025"655884007048031"25446460021083013808478650008.4280045"25148440028

頁碼12/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號51.5II3.253.6121.6536880006286804536261962"516100810000009.2080453624487II7551065004100000045802218114583"0547827000550025344.1272.10802218985594"65.1690035500081計3610450029350000575注:耗與鍍管的丙外表面積宥關(guān)因酸故熔劑統(tǒng)計除統(tǒng)計上述消執(zhí)行標準:(GB3091-93)Designedaccordingtocriteria(GB3091-93支重及產(chǎn)量均以黑管計算注:耗與鍍管的丙外表面積宥關(guān)因酸故熔劑統(tǒng)計除統(tǒng)計上述消耗也以表面積為基數(shù)進行考核。重量產(chǎn)量外,還需統(tǒng)計鍍鋅表面積產(chǎn)量,耗也以表面積為基數(shù)進行考核。頁碼13/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號Note:statisticsofsinglepipeweightandyieldbasedonrawpipes.Becauseconsumptionofacid,solventandzincisrelatedtoandcalculatedbypipe'surfacearea,productiondatashouldincludebothweightyieldandareayield.四?試生產(chǎn)說明Starting-upillustration4.1鍍鋅爐的點火與升溫 Galvanizingfurnaceignitionandheatingup在鋅鍋內(nèi)碼放好鋅錠與鉛錠后可進行點火,高爐煤氣熱值極低,續(xù)燃能力差,較難點火.經(jīng)商議確定用液化氣罐膠管及1.5米長的1/2”(?)鋼管組成的燃燒器作為輔助火源進行點火。Piledzincandleadingots,anduseapieceofrubbertubeand1.5meterlongsteelpipeasaauxiliaryburningdevicetoignitethemainfire,becauseblast-furnacegashaslowcalorificvalueandishardtolightup.點火前應準備8套燃燒器對8套燒嘴同時進行強迫點火。 Prepare8setsofburningdevicetolight8burnerssimultaneously.由于鍍鋅爐在此之前曾經(jīng)過水,但時間已過去4-5個月估計已自然風干。但為保險起見,升溫時擬適當延緩升溫梯度,并適當增加110°C區(qū)(顯含水的蒸發(fā))及 300°C區(qū)(結(jié)晶頁碼14/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號水的去除)的保溫時間以期爐體安全渡過升溫期。Thefurnacemighthavebeencontactedwithwaterandgotdryafter4-5monthsexposuretoair.Butstillforsakeofsafety,laggardandplacidheatingspeedisrecommended,elongatetimeattemperatureof110°C(flowingwaterevaporation)and300°C(crystalwaterevaporation).4.2.試生產(chǎn)用料準備Rawpipespreparationforstart-up爐料furnacematerial:1#鋅錠155噸zincingot 155ton鉛錠15噸leadingot 15ton鹽酸:37%鹽酸比重為1.19,試生產(chǎn)時一條線先配2槽酸按仃%濃度配制約需濃鹽酸20噸.正常生產(chǎn)時每日約消耗 2(8”-7(1/2”噸不等的濃酸,根據(jù)供貨條件與生產(chǎn)計劃可確定維持生產(chǎn)必要的儲備量.Hydrochloricaid:itssolutionof37%concentration hasspecificgravityof1.19.Confecttwotanksof17%hydrochloricacidforoneproduction頁碼15/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號linebeforestart-up,andaround20tonofhigh-concentrationhydrochloricacidmaybe needed. In normal production,2(8”-7(1/2”tonof37%acidareconsumedperday,sosomestockofitisnecessarytomaintain continuous productionwithrespecttodeliveryandproductionplan.熔劑的銨鋅比按1.6:1,濃度按450克/升配制,一槽熔劑需用氯化銨 4.7噸,氯化鋅2.9噸。Proportionforammoniumandzincinsolventis1.6:1,almost450gperliter.Onetankofsolventneeds4.7tonofammoniumchlorideand2.9tonofzincchloride.鋅鋁合金:含10%的鋅鋁合金100公斤,在生產(chǎn)過程逐漸加入,鋅液中鋁含量為 50g/噸。添加鋁的目的一為防止鋅液的氧化,二為增加鍍鋅管表面的亮度,三為增加鍍層表面的均勻性,防止由于鋅層表面產(chǎn)生過大晶花而出現(xiàn)鼓棱。Zincandaluminumalloy:100kgofzinc-aluminumalloywith10%ofzincisaddedinto solvent, keepingaluminumcontentof50gpertoninsolvent.頁碼16/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號Thefunctionofaluminumis:1.preventoxidationtozincsolvent;2.increasebrightnessofgalvanizedpipe'surface;3.improveuniformity ofgalvanizingcoat;reduceprotuberaneecausedbyunevenzincdistribution.鋁過多會阻礙合金層的形成而出現(xiàn)漏鍍現(xiàn)象。Excessivealuminummayimpedeformofalloycoat,andtheresultisthatthecoatmaynotbeintegral.鈍化劑的準備:鈍化箱一次投放量為350

升,其消耗與配制請與供應廠家聯(lián)系。Preparepassivationadditives:adds350Lofittopassivationcaseforonetime,andconsultsupplierforitsconsumptionandconfectingmethod.4.3.工藝參數(shù)processparameters產(chǎn)品基本參數(shù)與設備運行參數(shù)

equipmentsandoperationparameters?114生產(chǎn)線?114productionline

序規(guī)格壁單重6m小小面生螺旋曳大小內(nèi)浸所生號厚kg/重時時積產(chǎn)轉(zhuǎn)速/岀磁磁吹鋅用產(chǎn)mmkg產(chǎn)產(chǎn)產(chǎn)節(jié)調(diào)頻速輥輥時時螺方m量量量奏Rpm/度電電間間旋式支/公m2秒Hz機機ss時斤//時m/s頻頻時率率HHzz2.6110800779.2/91雙10.5"51.227.320006.511.19483149#管1雙0.252.680077管2II51.589.48844008.57/690.87062164#23.214.68006213.4.55/42雙31"52.44454608250.54338273#管2雙800623.5/3管4II53.144424081750.43430394#03.221.68006219.0.3102雙51.5"53.6153680863/305302638#管3.68005527.2.2/20.23雙62"55.1030.6260087252119462#管3.639.08005517.3.4/33單72.5"56.51620508640.43430479#管4.050.8800502.6/2224單83"58.472157032360.363480#管4.6800431.8/10.2114單94"512.273.2109083381181656#管114線小磁輥電機114linesmallmagneticrollermotorn=1460rpm i=23 r=100mm大磁輥電機largemagneticrollermotorn=1460rpmi=59 r=225mm頁碼17/46頁碼17/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程432溫度參數(shù):temperatureparameters烘干爐溫度:120-2000(熱電偶顯示)dryingoventemperature:120-200 °C(measuredwithTC)熔劑溫度:70-80C(溫度計人工測量)fluxtemperature:70-80C(measuredwith頁碼18/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號thermometermanually)4.323鋅液溫度:450土5C(熱電偶測量或手持高溫溫度計人工測量)zincpooltemperature:450±5°C(measuredwithTCorthermometermanually)水冷槽水溫:70-80C(溫度計人工測量)temperatureofcoolingwatertank70-80C(measuredwiththermometer)前處理操作與管理: pre-treatmentandregulation酸洗液檢測制度:rulesoncheckpicklingliquid檢測內(nèi)容a)HCI濃度checkitems:a)HCIconcentrationb)鐵離子濃度 b)ironionconcentration檢測頻度:4小時/次checkfrequency:every4hours酸濃度不足可通過添加新酸予以調(diào)整以提高酸洗速度。Whenacidconcentrationgetsbelowtherequiredlevel,addsomenewtomaintainacidwashingefficiency.頁碼19/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號4)鐵鹽濃度操標時應予排放。Expelpicklingliquidwhenironionexceedrequirements排放標準:鐵離子濃度〉200g/升expelstandard:ironionconcentrationover200g/liter或FeCl2濃度〉450g/升orFeCbover450g/literHCl濃度v4%HCIconcentrationlessthan4%433.2酸洗操作:acidwashingoperation

酸洗使用天車成捆進行移位與翻動,每個酸槽中均置放有3個梯形石,酸洗時通過天車吊帶的收放與梯形石的散捆作用,使鋼管表面相互磨擦,促進除銹。在整個酸洗過程,這種吊帶收放的操作最少需進行4-5次。Thereare3ladder-shapedstonesineachacid-washingtank,andusecranetomoveandrotatebundlesofpipes.Throughcrane'motionofraiseanddrop,frictionamongthepipescanhelpfulwithremovingrustonpipes 'surface.Duringwholeacid washing process,頁碼20/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號raise-and-dropmotionshouldbeperformedfor4-5times.鋼管表面油污阻礙除銹并造成漏鍍,為此鋼管的運輸移位嚴禁使用鋼絲繩(包括焊管車間),應改用尼龍吊帶。 Oilstainonpipe'surfaceimpederemovingrustandcauseincompletionofgalvanizing,sosteelwireropecannotbeappliedwhentransferringthesteelpipes(includingtheweldingworkshop),onlynylonbeltisacceptable.鹽酸酸洗除化學作用外,它對氧化鐵皮還有機械剝離作用使氧化鐵皮積存在槽底,為阻斷積存的氧化皮繼續(xù)消耗鹽酸,建議建立倒槽操作制度,每班應進行一次倒槽操作,將槽底積存的含大量氧化鐵皮的污泥沖洗干凈。Apartfromchemicalreaction,picklingwithHCLcanhavemechanicaleffectonoxidationscale.TopreventstockingoxidationscalecontinuallyconsumeHCL,Troughoperatingsystemshouldberegulated.漂洗操作:漂洗應在流動的水中進

行,并進行兩次漂洗,漂洗水可通過再生處理頁碼21/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號后循環(huán)使用,但處理站需對回流使用水的鐵鹽含量與游離酸含量進行測控,回用水的鹽酸濃度不得高于4g/升,鐵鹽濃度不得大于3g/升。Rinsingoperation:rinsingiscarriedoutintheflowingwaterandproceedstwicerinsing.Rinsingwatercanbereusedthroughregeneration.Butprocessingplantcantracktoironsaltandfreeacidofrecycledwater,andtheHCLconcentrationmustlessthan4g/liter,ironsaltconcentrationlessthan3g/liter熔劑檢測制度:fluxtestandinspectionsystem1) 檢測內(nèi)容:a)游離HCI濃度freeHCLconcentrationb) 鐵離子濃度ironionconcentrationc) PH值PHvalue2)檢測頻度:4小時/次4hour/time3) 要求:PH值需控制在3.5-4.5范圍內(nèi),一般情況下,由于酸洗殘留物的緣故,熔劑液多少含有游離酸,PH值均較低。PH值大于頁碼22/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號4.5將引起ZnCl2析出,降低溶劑的效用,應加HCI予以調(diào)整;PH值小于3.2或游離HCI濃度大于2g/升時,熔劑作用將降低,需加NH40H或加入鋅灰予以調(diào)整。3)Requirements:PHvaluemustbecontrolledintherangeof3.5-4.5.generallyspeaking,duetopickling residueresistanee,fluxcontainsuitablefreeacidwhichcausePHinalowvalve,PHvalueismorethan4.5,whichcauseZnCl2saltedout.Inordertolowerfluxinfluenee,HCLshouldbeadjustedproperly.PHvaluelessthan3.2orfreeHCLconcentrationmorethan2g/liter,fluxeffectwillbelowerandmoreNH4OHshouldbeaddedoraddzincash.涂熔劑操作:Fluxoperation熔劑須經(jīng)過連續(xù)過濾與加熱,過濾機每班最少進行一次反沖清洗,濾芯需定期更新。Fluxneedcontinuallyfiltering andheating,filtershouldbeflushingeachwork,andfiltercoreshouldbechangedregularly熔劑的潔凈與否對鋅耗有很大的影響,頁碼23/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號通過試生產(chǎn)應建立一套嚴格的熔劑管理制度。Thecleanoffluxhaveagreatinflueneeonzincconsumption.Throughtrialproduction,onesetoffluxmanagementregulationshouldbeset.4.4成品質(zhì)量檢驗: finishedproductqualityinspection外觀漏鍍檢驗。鍍層均勻性檢驗:硫酸銅腐蝕試驗。Coatinguniformityinspection:coppersulfatetest鍍層厚度檢驗:超聲測厚儀。Coatingthicknessinspection:ultrasonicthicknessmeasurementinstrument鍍層重量檢驗:氯化銻置換試驗。Coatingweight inspection: butterofantimony4.5.熱調(diào)試規(guī)格:1/2”雙管生產(chǎn)(114線);hottestingspecification:1/2”doublepipeproduction4"單管生產(chǎn)(114線);4"singlepipeproduction頁碼24/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號第二部分設備的主要技術(shù)性能一.鋼管前處理段PretreatmentI.IHcl酸洗槽5個:HCLpicklingbath5尺寸:長X寬X深=7.6mX1.5mX1.5mDimension:lengthXwidthXdepth=7.6mX1.5mX1.5m結(jié)構(gòu):玻璃鋼夾層結(jié)構(gòu),槽壁與槽底用鋼結(jié)構(gòu)框架加固,槽低用花崗巖塊鋪墊。Structure:FRPsandwichstructure,bathwallandbathbasearestrengthenedbyconstructedsteelstructure,andbaseusedinmoonstone酸洗槽之間用襯塑鋼管連接在一起,并配有耐酸泵管路系統(tǒng)又與貯酸罐及排污溝連接,可實現(xiàn)酸洗槽加酸、排污、以及酸槽之間的“倒槽”操作。清洗水槽2個:cleaningwatertank:2尺寸:長X寬X深=7.6mX1.5mX1.5mDimension:lengthXwidthXdepth=7.6mX1.5mX1.5m結(jié)構(gòu):與1.1相同。Structure:sameas1.1熔劑槽2個:Fluxbath:2尺寸:長X寬X深=7.6mX1.5mX1.5mDimension:lengthXwidthXdepth=7.6mX1.5mX1.5m結(jié)構(gòu):與1.1相同。配有熔劑過濾機一臺,利用過濾機的泵將頁碼25/46修改碼鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號版本號Sprocket:t=391.9,Sprocket:t=391.9,Z=8,每步2齒需3秒烘干爐底板為鑄鐵雙面肋板,下部為烘干爐的煙道,煙道內(nèi)敷設有也114鋼管換熱器,換熱氣面積為20m2,利用煙氣余熱加熱筋板以烘干鋼管,此外有一臺循環(huán)風機,風量為6600NM3/h,N=5.5Kw,將烘干爐膛內(nèi)的空氣引入煙道內(nèi)的換熱器,經(jīng)加熱后又噴入爐膛內(nèi),以增強鋼管的加熱效果,煙道入口溫度約600C,出口溫度約200C,煙氣量約為1200NM3/h,每小時的供熱量約為156500大卡。Dryingfurnacesettingismadeofdoublecastironribbedplateandfluebelowit.巾114pipeheatexchangerinsidethefluewithexchangeareaof20m^Theworkingprincipleisdrying114鋼管換熱器,熔劑槽的槽液連續(xù)抽出、過濾,并通過一個換熱面積為3m2的石墨熱交換器,將熔劑加熱到80°C左右,加熱介質(zhì)為蒸氣,溫度利用溫度調(diào)節(jié)閥控制。Equippedwith1setfluxfilter,whichdrawoutsolutioninfluxbaththroughpumpoffilter,andthenfliterbygraphyteheatexchangerinexchangeareaof3m2.Whenfluxiswarming-upto80C,thatisfluxhasbecomesteam.Atthattime,temperatureiscontrolledbyadjustingvalve.亠.烘干爐dryingfurnace尺寸:長X寬=8mX7mDimension:lengthXwidth=8mX7m傳動:制動電機:YEJ100L——3,,N=3kw;Diving:drivingmotor:YEJ100L 3,,N=3kw;行星擺線減速器:XWEDE3-4P-74-289,1=289,;Planetary cycloid reducer:XWEDE3-4P-74-289,1=289,;鏈輪:t=391.9,Z=8,每步2齒需頁碼26/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號pipesthroughwastegaseswarmingupstiffenedplates.Exceptforheatexchanger,circulatorwithair-volume6600NM3/h,N=5.5Kwdrawairinthedryingfurnacechamberintoheatexchangerintheflue,andthenpuffintochamberafterheatingtostrengthenheateffectofpipes.Inlettemperatureofflueisabout600°C,and200°Cforoutlet,flux1200NM3/h,supplying156500caloriceachhour.烘干爐的產(chǎn)量最大以8噸/時計,入料溫度設為20C,出料溫度設為70C,其吸熱量為:8000X(70-20)X0.111=44400大卡,利用系數(shù)為0.28。Themaximumcapacityofdryingfurnaceis8ton/hour,feedingtemperatureis20C,out-feedingtemperatureis70C,heat-absorbingis8000X(70-20)X0.111=44400caloric,coefficientis0.28.鋼管在烘干爐內(nèi)的輸送依靠鏈條步進驅(qū)動,輸送鏈的移位步距為304.8mm,7m爐長可移動、22步,不同規(guī)格的鋼管在烘干爐內(nèi)的停留時間為表1-7所示。Thetransmissionofpipeindryingfurnaceisdriven bystepchain,andtransmissionchaindisplacingstepdistaneeis304.8mm,thatisfurnaceof7mlengthdisplace22step.Below1-7areretentiontimeofpipesinthedryingfurnacewithdifferentspecification.烘干爐內(nèi)鋼管的加表1-7Heatingtimeofpipesindryingfurnace

頁碼27/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號規(guī)格specification產(chǎn)量output(支/時)節(jié)奏(秒)rhythm總加熱時 間totalheatingtime(秒)烘干爐內(nèi)容納鋼管的數(shù)量為Pipesquantityindryingfurnacen=7000/304.8=220.5"11006.52210.75"8448.52891"54613.24491.25"424175781.5"36819.66662"24514.75002.5"20517.65983"15723506/7824"10933726/1122. 入料輥道feedingroller114入料輥道長28m,輥間距1.43m,共20套輥,輸送速度 2.78m/s,組合傳動,電機N=4Kw,1=3.7t=140mm。端咅B(yǎng)設定位擋板,電機轉(zhuǎn)動撥料。LengthofRolleris28m,rollerdistanee1.43m,andtotal20setsroller.Thetransmissionspeedis2.78m/sandcombined

頁碼修改碼28/46鋼管熱鍍鋅?頁碼修改碼28/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號版本號driving.MotorparametersisN=4Kw,i=3.7t=140mm.Positionplateisinthefrontpartofrollerwithmotorrotatingtokickout.輥道連續(xù)運行,端部設定位擋板。四.鍍鋅爐methodGalvanizingfurnacemethod41力口熱方式:heati' [兩側(cè)長焰燒嘴加熱,兩端有循環(huán)風機,、風機流量約為燃氣排出量的10倍左右,形成循環(huán)再加熱的方式,使爐內(nèi)溫度分布均勻,見圖示。Heatbyburner,circulatorinbothendsoffurnacewithairflow10timesisofcombustiongas,whichformscirculationheatingtodistributetemperatureasymmetry.-;■-;■-4.2技術(shù)數(shù)據(jù):(以下所列為一條線的參數(shù))TechnicalData:燃料:煤制氣,熱值1200-1350Kcal/m3Fuels:coalgas,heatvalue1200-1350Kcal/m3燃氣燒嘴:供氣壓力為 1000-1500pa,氣量:50萬大卡/h2個,25大卡/h2個;Combustiongasburner:Pressure:1000-1500paflowofgas:鼓風機:全風壓400-500mm水柱,流量2000NM3/h,電機11Kw;頁碼29/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號Blower:windpressuresteam:400-500mmvolume:2000NM3/hMotor:11kw循環(huán)風機:2臺,乍溫度700°C,最高溫度800°C。流量:Q=13000NM3/h,全壓:30mm水柱,電機:5.5/4KW雙速電機;Circulator:2setworkingtemperature:700Cmaxtem:800C3Flow:Q=13000NM3/hpressure:steam:30mmMotor:5.5/4Kwdouble-speed引風機:一臺,流量: Q=2400NM3/h,全壓:50mm水柱,電機:2.2kw(變頻調(diào)速);Draftfun:1set,flow:Q=2400nM3/hpressuresteam:50mm,Motor:2.2kw(WVF)煙囪:直徑巾720,高度18m;Chimney:diameter:巾720Height:18m尾氣引風機采用變頻調(diào)速電機,用于調(diào)節(jié)爐壓,以保證鍍鋅爐在微負壓下工作。ExhaustdraftfunadoptVVVFmotortoadjustfurnacepressuretoensuregalvanizingworkundernegativepressurecondition.4.3鍍鋅爐的熱負荷計算:Thermo-loadcalculation亠最大產(chǎn)量C=8000kg/h。Maxoutput:C=8000kg/h432加熱鍍件的熱量:、麥公斤鋼升溫1C,需0.111Kcal,鋼管入鍋溫度設為50C,貝VQ1=0.111X400X8000=355200Kcal/hWorksheat:熔化鋅的熱量:每公斤鋼大致最多消耗0.085kg鋅,鋅的比熱為0.093Kcal/kgC鋅的熔化潛熱為27.17Kcal/kg,則Q2=0.085X(0.093X450+27.17)X8000=46934Kcal/h;鋅液表面的輻射熱:radiationheatin

頁碼30/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號surfaceofzincsolution每平方米的輻射熱約為12000Kcal/h,鋅鍋表面積F=7.5X1.5=11.25m2,貝VQ3=11.25X12000=135000Kcal/h:F=Q3=11.25XRadiationheatpersquaremeterisabout12000Kcal/h,surfaceareaofzincpot:F=Q3=11.25X12000=135000Kcal/h鋅爐表面向車間散熱:根據(jù)經(jīng)驗鋅爐表面的溫度約為 60C,單位面積的輻射熱q=400Kcal/m2hr,爐表面積F約為60m2,則Q4=400X60=24000Kcal/h。Basedonexperienee,surfacetemperatureofzincfurnaceisabout60°C,radiationheatperunitareaq=400Kcal/m2hr,surfaceareaF=60mr,thatisQ4=400X60=24000?2酬。煙氣帶走的熱量 heatresultingfromthegascompression設供氣量為A,煤制氣的配氣量為1.5m3/m3,空氣過剩系數(shù)a=1.2,煤制氣的發(fā)熱值暫為1300Kcal/kg,尾氣溫度設為700C,尾氣比熱為0.326Kcal/m3。3 3LetairsupplyisA,coalgasis1.5m/m1excess-aircoefficienta=1.2,heatvalueofcoalgasis1300Kcal/kg,lettailgastemperatureis700Candheatcapacity0.326Kcal/m3。則尾氣帶走的熱氣 :ThatisheattakingawaybytailgasQ5=(AX1.5X1.2+A)X0.326X680=621XA363.7熱平衡:heatbalaneeA X1300=355200+46934+135000+24000+621A561134A= =826.41m3/h679當產(chǎn)量為8000kg/h時,煤制氣凈耗量為頁碼31/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號826m3/h,停鍍保溫時的耗氣量為100m3/h,Whenoutputis8OO0kg/h,netconsumptionofcoalgasis826m3/h,gasconsumptionwhen stopping galvanizing (heatpreservagon)鋅鍋熱負荷:thermo-loadofzincpot鋅鍋傳熱面積為Fk=(1.6+7.5)X2X2=36.4m2HeattransfersurfaceareaofzincpotFk=(1.6+7.5)X2X2=36.4m2TOC\o"1-5"\h\zQ1 +Q2 +Q3355200+46934+135000ak= =FK36.4 o=14756Kcal/hr.m2據(jù)有關(guān)資料介紹,鋅鍋的最大允許熱負荷為30000Kcal/hr.m2ak=14756Kcal/hr.m2是合理的。According torelevantmaterial,maxthermo-loadofzincpotis30000Kcal/hr.m2五’鍍鋅鍋GalvanizingPot尺寸:長X寬X高X厚度 =8000X1600X2000X50,材料:XG08(鞍鋼);Dimension:lengthXwidthXheightXthickness=8000X1600X2000X50Material:XG08(ANSHANIRON)裝鋅量:BZn=7X8X1.6X(2.0-0.3)=152噸;ZincQuantity:BZn=7X8X1.6X(2.0-0.3)=152」噸熔融金屬的總裝載量為152噸,為最大產(chǎn)量8T/h的19倍。Loadofmoltenmetallicis152tonthatis、19timesof8T/h.六.浸鋅機構(gòu)Dippingunit一鋼管依靠一組三個連續(xù)旋轉(zhuǎn)的浸鋅螺旋驅(qū)動逐根浸入鋅液,傳動為:行星擺線減速器+頁碼32/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號蝸輪蝸桿傳動。Underthehelpofoneunitcontinuousrotatingspiraldrivingmechanism,immersepipesintozincsolutiononebyone.Transmissionsystemincludeplanetarycycloidreduceandwormgearandwormdrive.①114機組使用3套浸鋅螺旋,其浸鋅存留螺旋節(jié)數(shù)分別為9.5,7.5,6.5及5.5以適應不同生產(chǎn)節(jié)奏下不同浸鋅時間的要求。浸鋅螺旋轉(zhuǎn)速為1.8?變頻調(diào)速,行星擺線減速器速比為29,蝸輪蝸桿傳動速比為10,電機功率為4KW。①114pipelineuse3setsdippingscrew,and number ofscrewisrespectively9.5,7.5,6.5and5.5tomeettherequirementsofdippingtimeinthevariousproductionrhythm.Rotatingspeedofdippingscrewis1.8?磁力輥升降電機型號為:Y90L-6-1.1(雙出軸)Elevationmotor:Y90L-6-1.1 (doublespindle)磁力輥拖動電機型號為:XWDV4-4P-8165-51(變頻調(diào)速)Dragging motor:XWDV4-4P-8165-51(VVVFJ、一螺旋下標高約為-980mm厶鋅鍋底標咼-2000mm,鋅液面標高-100mm,導軌面標高為-1180mm。Lowerelevationis980mm,vatbottomelevationof2000mm,solutionlevelelevationof100mm,guidewayfaceelevationof-1180mm。撥料機構(gòu)Kick-outunit由一個巾125X920的氣缸驅(qū)動三個撥料臂。Itconsistsofone巾125X920pneumatic頁碼33/46修改碼鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號版本號cylinderandkick-outarm.丿八提升機構(gòu)Elevationunit單鉤提升汽缸驅(qū)動,氣缸為巾 160X850,提升鉤的行程為1850mm。Hookhoist巾160X850pneumaticcylinder,andstrokeis1850mm[輥腰九.磁力輥magneticroller[輥腰0114機組采用4個雙槽磁力輥

直徑巾430,磁力輥為永磁輥;彳60kg,口4個磁力輥用一臺變頻電機+行星擺線減速器+鏈輪一鏈條驅(qū)動,N=4KW,磁力輥轉(zhuǎn)速為30.3?,引出速度為0.21-1.1m/s。0114pipelineusefourdouble-groovemagneticroller,anditsdiameteris中430.Itispermanentmagnetic,andmagneticforceis60kg.Fourrollersaretotallydrivenbyonefrequencyconversionmotortogetherwithplanetarycycloidreducer,gearwheelandchain.Speedofmagneticis30.3?夕卜吹Externalblowing外吹環(huán)雙管使用時,可以單獨調(diào)壓控制氣亠,結(jié)構(gòu)為球閥+調(diào)壓閥+壓力表+外吹環(huán)。單管使用時,將另一側(cè)閥門關(guān)閉。兩套外吹環(huán)單獨供氣,可同時調(diào)節(jié)升降。gasflow singly.Whendoublepipesaretested,adjustpressureandcontrolAdjustment unit consistofballvalve,gasflow singly.pressuregovernorvalve,pressuregaugeandexternalblowingring.Whensinglepiptested,shutvalve,andtwosetsexternalblowingringsupplyinggasrespectively.十?磁力輥升降機構(gòu)Elevationdeviceofmagneticroller改變規(guī)格時,磁力輥的標高需加以調(diào)整,磁力輥高度調(diào)整,電機功率為:N=1.1KW,,蝸輪蝸桿傳動比為i=50。磁力頁碼34/46鋼管熱鍍鋅0114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號輥升降顯示設有標尺,調(diào)好位置后,應對標尺尺寸做相應的記錄。調(diào)整絲桿t=6,調(diào)整速度U=120mm/min。ofmagneticrollerismeasuredbyscale,andrecorddetailedsizewhenadjustingasuitable衛(wèi)osition.十二.曳出輥道Pullingoutroller曳出輥道傾斜17°布置。angleofthetiltofpullingoutroleris17°0114機組曳出輥道驅(qū)動功率為5.5KW,變頻電機+行星擺線減速器+鏈輪一鏈條驅(qū)動,輥腰圓直徑巾175,輥道轉(zhuǎn)速為:74?,速度為0.5-1.5m/s,均為永磁輥防止鋼管下滑。Drivenpowerofpullingoutrolleris5.5KW,anddrivenbyfrequencyconversionmotortogetherwithplanetarycycloidreducer,gearwheelandchain.Diameterofrolleris巾175,rotatingspeedofrolleris74?十三.貓頭叉橫移機構(gòu)Fork-shapedtransversemovingdevice采用貓頭叉橫移機構(gòu),橫移時鋼管平行移動不滾動。Usefork-shapedtransversemovingdevice,andkeeppipesparallelmoving.橫移電機N=3KW,,減速器傳動比i=59,橫移機的回轉(zhuǎn)速度為,步進齒距t=664mm。TransversemovingmotorN=N=3KW,

頁碼35/46鋼管熱鍍鋅0114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號toothspacet=664mm.四.內(nèi)吹和升降機構(gòu)Internalblowingandelevationunit14.10114機組的內(nèi)吹裝置概況如下:Internalblowingunitisasfollow內(nèi)吹機初共有四個動作:Internalblowingunitconsistsoffouractions亠1j夾緊:◎160Xj400氣缸2套驅(qū)動,每套夾緊可產(chǎn)生1900kg的夾緊力。Clamping:drivenby2sets巾160X400pneumaticcylinder.Generate1900kgclampingforceeachsetclampingunit.內(nèi)吹小車移動汽缸:山1卩0£300汽缸最大可產(chǎn)生300kg壓緊力以克服內(nèi)吹后坐力,壓緊力可用減壓閥調(diào)整。2)Movingpneumaticcylinder:Generate300kgsQueezingforcefor0100x300pneumaticcylindertoovercomerecoilforceafterinternalblowing.Squeezingforcecanbeadjustedbypressurereducingvalve._3)DN50/DN80氣動球閥各1套:用來提供KI°)lysteam.)lysteam.啟閉氣缸:亠0、125X520,內(nèi)吹箱消音1 _內(nèi)吹時,罩體下降;將鋼管尾部封閉在罩內(nèi)然后進行內(nèi)吹,可達到降低噪音的作用。4)Mufflercoverofinternalblowingbox:Wheninternalblowing,coverfalldownandencloseendofpipeinit,andthenbegintoblowtoreducenoise.14.2升降機構(gòu):ElevationunitMX動梁用一個0160X880的汽缸驅(qū)動擺動,一擺動梁處于上位時,擺動梁處于一條 17°MX傾斜線上,正好與步進機的停位標高一致,擺動梁移到下位時,轉(zhuǎn)為水平位置滾入冷卻水槽。

頁碼36/46修改碼頁碼36/46修改碼鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號版本號Swayingbeamisdrivenbyone$160x880pneumaticcylinder.Whenbeamisintheupperposition,andjustlyitkeepidenticalwithpositionelevationofsteppingmachine.Totheopposite,beamchangestohorizontaltorolltocoolingwatertank.冷卻水槽為鋼板結(jié)構(gòu)件,可貯水仃t,槽內(nèi)有3條步進運動的鏈條可將槽內(nèi)鋼管逐根撈出。Coolingwatertankissteelplatestructureandrefillwater17t.Thereare3chainstodragoutonebyone.>。114線鏈條驅(qū)動電機N=4KW,n=1450,行星擺線減速器i=59,鏈節(jié)距t=100,步進距離l=300mm,鏈輪齒數(shù)Z=9,完成一個步進動作所需時間為1.2M>。Drivingmotorby114chainN=4kw,n=1450,planetarycycloidreducei=59,chainpitcht=100,stepspacingl=300mm,gearwheeltoothZ=9.Finishingonestepactiononlyspends1.2second.冷卻水槽的三根鏈條傾斜布置高差為70mm,使鋼管以傾斜狀態(tài)引出,以利排水。76C左右,引至冷將水溫降冷卻水利用蒸汽吹管加熱,待水溫達80°C后可投入利用,在生產(chǎn)過程中水溫增高,熱水通過溢流口,自流排至車間外的熱水池,用泵引至冷卻塔,將水溫降至76C左右,衛(wèi)76C左右,引至冷將水溫降Coolingwateriswarmupbysteam.Whentempreach80C,andthenputintouse.Intheprocessofproduction,tempincrease,andhotwatercomeacross頁碼37/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號產(chǎn)量8噸/時,熱管入槽溫度估為300°C,溫降220C,鋼比熱為0.111大卡/C.Kg冷卻熱量為200,000大卡。如采用冷卻塔,且冷卻塔溫降為7C,則循環(huán)水的流量Q=30t/h。十六.檢查臺架Checktable檢查臺架入口有氣動擋板將冷卻水槽傾斜引出的鋼管擋住,待鋼管排齊后,擋板放下,鋼管下滾。檢查臺架的中部有一氣動閘板,閘板落下,正品鋼管繼續(xù)下滾,閘板抬起,次品管落入臺架下的次品小車。十七.鈍化輥道:PassivationRoller114線鈍化輥道長16m,輥間距1.5m,共12套輥,輸送速度、1.6m/s,組合傳動,電機N=4Kw,端部設定位擋板,電動快速無返回式撥料,撥料時間不得超出0.5秒。Lengthofpassivationrolleris16m,space1.5m,total12setsroller.Transmissionspeedis1.6m/s,drivencombined,locationplateisplacedintheend.十八.鈍化噴淋站Spraying station forpassivation.噴淋吹環(huán)依管徑設計,噴淋操作在一密閉箱內(nèi)進行,鈍化液用一臺泵循環(huán)使用。泵參數(shù):Q=44.7m3/hr,H=10m,N=2.2Kw。出口配外吹環(huán)。Spraystationisdesignedaccordingtopipediameter.Sprayoperationisworkinaclosedcase.Andsprayliquidisstoredinonepumpandusedinacycle.十九.烘干臺架Dryingtable(skid)臺架長4.5m,1#線可存管20(8”-40(3”支,烘干時間1900-920秒;2#線可存管

頁碼38/46鋼管熱鍍鋅?114生產(chǎn)線技術(shù)操作規(guī)程文件編號修改碼版本號160(1/2")-35支)'烘干時間520(1/2”-1150(4”秒。 ”Lengthofskidis4.5m,1#storepipe0(8”-40(3”pieces,anddryingtime1900-920seconds,2#storepipes160(1/2^)-35,anddryingtime520(1/2”-1150(4”seconds 二.打印輥道StampRoller印輥道為線線布輥道與鈍化輥道完相同,打印輥道為線線布輥道與鈍化輥道完Stamprolleristhesameaspassivationroller.Stamprollerisdouble-linedeployed.Total11setsroller. 二—一.打印機Stampmachine膠輪氣動打印機,全長打印,114線配備2臺打印機。 二 二.六角打包設備PackagingEquipment由4套設備組成, consistsof4setsequipments出料臺架,配有人工滾印色帶裝置;outletskidisequippedwithribbondevice六角包收集槽;六角包的上半部由人工碼放;collectingtank:upperpartsispiledbymanua] 、離機及3其個包能吊配置Consistoftwosetpneumaticpackingmachine,?alancingmachineandsuspendingdevice.離機及3其個包能吊配置Consistoftwosetpneumaticpackingmachine,?alancingmachineandsuspendingdevice._.三.除塵器Cleaner3噸,每采用布袋除塵器,過濾面積200m2,,螺旋輸送機自動出灰,壓縮空氣脈沖閥自動反吹。Usebagfilterwithfilterareaof200m2,conveyerspiralautomaticallydischargeash,andthencompressedairpulsevalveautomaticallybackflush.士有暖風機向除塵箱供應暖風,降低結(jié)露危害。

文件編號版本號頁碼39/46頁碼39/46修改碼杪溫度監(jiān)控,超溫報警,緊急情況下水噴淋降溫。Temperaturegoverning,givingalarmingwhentemperatureexcursion,andsprayingtocooldowninemergencycircumstances.頂部配備壓差變送器。 Equippedwithpressurediffereneetransmitteronthetop二四電器設備Electricaldevice整條生產(chǎn)線采用PLC集中控制,控制方式分手動與全自動兩種,手動工況下的輸入采用按鈕輸入,自動工況下,采用各種接近開關(guān),發(fā)出輸入信號。Thewholeproductionlineadoptsplccentralizedcontrolsystem,whichconsistsofmanualandautomode.Inthemanualmode,buttoninputisused,andinautomode,proximityswitchisavailableandsendoutinputsignal.鋅爐溫度、鋅鍋溫度、烘干爐膛、烘干

爐尾氣入口處及出口處共 7個點的溫度用熱電偶檢測,采樣顯示并記錄,其中鋅鍋2點的溫度作為燃燒自動控溫系統(tǒng)的控制目標進

溫馨提示

  • 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請下載最新的WinRAR軟件解壓。
  • 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
  • 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁內(nèi)容里面會有圖紙預覽,若沒有圖紙預覽就沒有圖紙。
  • 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
  • 5. 人人文庫網(wǎng)僅提供信息存儲空間,僅對用戶上傳內(nèi)容的表現(xiàn)方式做保護處理,對用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對任何下載內(nèi)容負責。
  • 6. 下載文件中如有侵權(quán)或不適當內(nèi)容,請與我們聯(lián)系,我們立即糾正。
  • 7. 本站不保證下載資源的準確性、安全性和完整性, 同時也不承擔用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。

評論

0/150

提交評論