鋼管熱鍍鋅φ生產(chǎn)線技術(shù)操作規(guī)程樣本

目錄Contents

第一部分生產(chǎn)概況.......................................................2

SectiononeGeneraldescriptionofthepi'oduction'ine

一、生產(chǎn)工藝步驟圖......................................................2

Processflowdiagram

二、工藝平面部署示意圖..................................................2

Layoutsketch

三、原料規(guī)格及實(shí)施標(biāo)準(zhǔn)..................................................2

Specificationofmaterialanditscriteria

四、試生產(chǎn)說(shuō)明...........................................................3

Starting-upillustration

第二部分設(shè)備關(guān)鍵技術(shù)性能............................................5

SectiontwoMaintechnicalcharacteristicsoftheequipments

一、鋼管前處理段.........................................................4

Pre-treatmentofsteelpipes

二、烘干爐...............................................................5

Dryingoven

三、入料輯道.............................................................6

feedingrollers

四、鍍鋅爐...............................................................6

Galvanizingfurnace

五、鍍鋅鍋...............................................................8

Galvanizingvat

六、浸鋅機(jī)構(gòu).............................................................8

Dippingunit

七、撥料機(jī)構(gòu).............................................................8

Kickoutunit

八、提升機(jī)構(gòu).............................................................8

Liftingunit

九、磁力輯...............................................................8

Magneticroller

十、外吹.................................................................8

Externalblowing

十一、磁力松升降機(jī)構(gòu)....................................................9

Elevationdeviceotmagneticroller

十二、曳出短道..........................................................9

Pullingoutroller

十三、貓頭叉橫移機(jī)構(gòu)....................................................9

Fork-shapedtransversemovingdevice

十四、內(nèi)吹和升降機(jī)構(gòu)....................................................9

Inteliiulblowingandelevaliondeviue

十五、冷卻水槽..........................................................9

Coolingwatertank

十六、檢驗(yàn)臺(tái)架...........................................................10

Checktable

十七、鈍化短道...........................................................10

Passivationroller

十八、鈍化噴淋站.........................................................10

Sprayingstationforpassivation

十九、烘干臺(tái)架...........................................................10

Dryingtable

二十、打印輯道...........................................................10

StamprolIer

二一、打印機(jī).............................................................10

Stampmachine

二二、六角打包設(shè)備.......................................................10

Packagingtools

二三、除塵器.............................................................10

Cleaner

二四、電器設(shè)備...........................................................10

Electricaldevice

第三部分鍍鋅車(chē)間技術(shù)操作規(guī)程..........................................11

SectionthreeOperatinginsti'uctionotgalvanizingworkshop

一、目標(biāo).................................................................H

Purposes

二、使用范圍.............................................................11

Applyingscope

三、工作程序.............................................................11

Wuiklugpioueduiea

3.1、酸洗工序...........................................................11

Acidcleaning

3.2、火炕工序...........................................................11

Heating

3.3、鋅鍋工序...........................................................11

Dipping

3.4、內(nèi)外吹工序.........................................................12

Blowing

3.5、鈍化水洗工序......................................................12

Passivationandwash

3.6、檢驗(yàn)工序...........................................................12

Check

3.7、司爐工.............................................................12

Operators

修訂情況統(tǒng)計(jì).............................................................12

Recordofrevision

.................................................................12

第一部分生產(chǎn)概況SectiononeGeneraldescriptionoftheproductionline

一.生產(chǎn)工藝步驟圖Processflowdiagram

鋼管熱鍍鋅生產(chǎn)線是將成品黑管經(jīng)過(guò)表面處理后自動(dòng)侵鋅，在鋼管內(nèi)外表面鍍一層耐

腐蝕、表面光潔鋅層生產(chǎn)設(shè)備。Steelpipehotdipgalvanizinglineistheautomatic

equipmentstoproduceresistantandsmoothlayerorthesurfaceofrawpipes

aftercleaning.

二.工藝平面部署不意圖(附)Layoutsketch(enclosed)

三.原料規(guī)格及實(shí)施標(biāo)準(zhǔn)Specificationofmaterialanditscriteria

<t>114生產(chǎn)線產(chǎn)品綱領(lǐng)mainparametersofo114productionline

面

年工

小時(shí)小時(shí)積年產(chǎn)

作時(shí)年面積

6m產(chǎn)量產(chǎn)量產(chǎn)量噸

單重所占間產(chǎn)量

壁厚重支/千克量Yearl

序號(hào)規(guī)格kg/m百分小時(shí)m2

2

mmkg時(shí)/時(shí)ni7y

numbspecificatiUnit匕％RunniYearly

ThickneWeigYielYield時(shí)yield

eronwdgPrcportingyieldby

sshlperdbybyyielby

h:ontimearea

6mpiecweigdweig

per

eshtbyht

year

are

a

11080077

10.5"2.651.227.32

000144013680

401800

80077000

20.25"2.651.589.48844

00

14.680062

31"3.2524546

408

18.880062108084780

41.25"3.253/p>

40800

21.680062

51.5"3.253.61368

508

8005826190

62"3.55.130.62611()4503600

020

39.08005424480

72.5"3.756.51205104503600

6040

50.88005011452

83"4.058.4715752251800

2035

80043

94"4.6512.172.61095225180098550

08

360029355

II-1004500

075

實(shí)施標(biāo)準(zhǔn):(GB3091-93)Designedaccordingtocriteria(GB309I-93)

注：支重及產(chǎn)量均以黑管計(jì)算.因酸、熔劑及鋅消耗和鍍管內(nèi)外表面積相關(guān)，故生產(chǎn)統(tǒng)計(jì)除統(tǒng)計(jì)

重量產(chǎn)量外，還需統(tǒng)計(jì)鍍鋅表面積產(chǎn)量，上述消耗也以表面積為基數(shù)進(jìn)行考評(píng)。

Note:statisticsofsinglepipeweightandyieldbasedonrawpipes.Becauseconsumptionofacid,solvent

andzincisrelatedtoandcalculatedbypipe'ssurfacearea,productiondatashouldincludeboth

weightyieldandareayield.

四.試生產(chǎn)說(shuō)明Starting-upillustration

4.1鍍鋅爐點(diǎn)火和升溫Galvanizingfuniaceignitionandheatingup

4.1.1在鋅鍋內(nèi)碼放好鋅錠和鉛錠后可進(jìn)行點(diǎn)火，高爐煤氣熱值極低，續(xù)燃能力差，較難點(diǎn)火.

經(jīng)商議確定用液化氣罐膠管及1.5米長(zhǎng)i/r（?）鋼管組成燃燒器作為輔助火源進(jìn)行點(diǎn)火。

Piledzincandleadingots,anduseapieceofrubbertubeand1.5meterlongsteelpipeasa

auxiliaryburningdevicetoignitethemainfire,becauseblast-furnacegashaslowcalorificvalue

andishard(olightup.

點(diǎn)火前應(yīng)準(zhǔn)備8套燃燒器對(duì)8套燒嘴同時(shí)進(jìn)行強(qiáng)迫點(diǎn)火。Prepare8setsofburningdevice

tolight8burnerssimultaneously.

因?yàn)殄冧\爐在此之前曾經(jīng)過(guò)水，但時(shí)間已過(guò)去4-5個(gè)月估量已自然風(fēng)干。但為保險(xiǎn)起

見(jiàn)，升溫時(shí)擬合適延緩升溫梯度，并合適增加U0C區(qū)(顯含7K蒸發(fā))及300c區(qū)(結(jié)晶水

去除)保溫時(shí)間以期爐體安全渡過(guò)升溫期0Theturnacemighthavebeencontactedwithwater

andgotdryafter4-5monthsexposuretoair.Butstillforsakeofsafety,laggardandplacidheating

speedisrecommended,elongatetimeattemperatureof110°C(flowingwaterevaporation)and

300℃(crystalwaterevaporation).

4.2.試生產(chǎn)用料準(zhǔn)備Rawpipespreparationforstart-up

4.2.1爐料furnacematerial:155噸zincingot155ton

鋁錠15噸lca(Jiugul15tun

4.2.2.鹽酸:37%鹽酸比重為1.19,試生產(chǎn)時(shí)一條線先配2槽酸按17%濃度配制約需濃鹽酸

20噸.正常生產(chǎn)時(shí)每日約消耗2(8”)-7(1/2”)噸不等濃酸,依據(jù)供貨條件和生產(chǎn)計(jì)劃可確定維

持生產(chǎn)必需貯備量.Hydrochbricaid:itssolutionof37%concentrationhasspecificgravityof

1.19.Confecttwotanksof17%hydrochloricacidforoneproductionlinebeforestart-up,and

around20tonofhigh-concentrationhydrochloricacidmaybeneeded.Innormalproduction,

2(8")7(1/2”)tonof37%acidareconsumedperday,sosomestockofitisnecessarytomaintain

continuousproductionwithrespecttodeliveryandproductionplan.

4.2.3熔劑鉞鋅比按161,濃度按450克/升配制，一槽熔劑需用氯化鉞4.7噸，氯化鋅2.9

口屯。Proportionforammoniumandzincinsolventis1.6:1,almost450gperliter.Onetankof

solventneeds4.7ionofammoniumchlorideand2.9tonofzincchloride.

4.2.4鋅鋁合金：含10%鋅鋁合金100千克，在生產(chǎn)過(guò)程逐步加入，鋅液中鋁含量為50g/

噸.添加鋁目標(biāo)一為預(yù)防鋅液氯.化,二為增加鍍鋅管表面亮度,二為增加鍍層表面均勻性.

預(yù)防因?yàn)殇\層表面產(chǎn)生過(guò)大品花而出現(xiàn)鼓棱。Zincandaluminumalloy:100kgof

zinc-aluminumalloywith10%ofzincisaddedintosolvent,keepingaluminumcontentof50g

pertoninsolvent.Thefunctionofaluminumis:I.preventoxidationtozincsolvent;2.increase

brightnessofgalvanizedpipe'ssurface;3.improveuniformityofgalvanizingcoat;reduce

protuberancecausedbyunevenzincdistribution.

鋁過(guò)多會(huì)阻礙合金層形成而出現(xiàn)漏鍍現(xiàn)象。Excessivealuminummayimpedeformof

alloycoat,andtheresultisthat(hecoatmaynotbeintegral.

425鈍化劑準(zhǔn)備：鈍化箱一次投放量為350升，其消耗和配制請(qǐng)和供給廠家聯(lián)絡(luò)。

Preparepassivationadditives:adds35OLofittopassivationcaseforonetime,andconsult

supplierforitsconsumptionandconfectingmethod.

4.3.工藝參數(shù)processparameters

4.3.1產(chǎn)品基礎(chǔ)參數(shù)和設(shè)備運(yùn)行參數(shù)equipmentsandopcraticnparameters

4>114生產(chǎn)線4>114productionline

序規(guī)格里單6m小小面生螺旋曳大小內(nèi)浸所生

號(hào)厚重重時(shí)時(shí)積產(chǎn)轉(zhuǎn)速/出磁磁吹鋅用產(chǎn)

mmkg/kg產(chǎn)產(chǎn)產(chǎn)節(jié)調(diào)頻速輯輻時(shí)時(shí)螺方

m量量量飛Rpm/度電電問(wèn)間旋法

支/干in2/秒Hz機(jī)機(jī)SS

時(shí)克/時(shí)mis頻頻

時(shí)率率

HH

ZZ

2.6110800779.2/91雙

10.5"1.227.326.59483149

5000I1.1#管

1雙

0.252.680077

21.589.4N8448.57/69037062164#管

It500

2

3.214.68006213.4.55/42雙

3r2.445460.54338273

540825*管

2雙

1.253.218.8800623.5/3

管

4H3.14424170.43430394#

54085

0

3.221.68006219.0.3102雙

5l.5M3.613683/3030263

5508658#管

3.68005527.2.2/20.23雙

62W5.1030.62602119462

508725管

3.639.08005517.3.4/33單

72.5M6.512050.43430479

560864*管

4.050.8800502.6/2224單

83"8.47157230.3480

5203663#管

4.6800431.8/10.2114單

94"12.273.21093318165

508816#管

114線小磁輕電機(jī)114linesmallmagneticrollermotorn=1460rpini=23r=100inm

大磁輻電機(jī)largeniagnclicrollermolorn=l460rpmi=59r=225mm

4.3.2溫度參數(shù)：tcnipcraiurcparameters

4.3.2.1烘干爐溫度：120-200"C(熱電偶顯不)dryingoventemperature:120-2001?(measuredwithTC)

43.2.2熔劑溫度:70-80℃［溫度計(jì)人工測(cè)量)fluxtemperature:70-80℃(measuredwith

thermometermanually)

4.323鋅液溫度：450±5℃(熱電偶測(cè)量或手持高溫溫度計(jì)人工測(cè)量)zincpooltemperature:

450±5℃(measuredwithTCorthermometermanually)

43.2.4水冷槽水溫：70-80℃(溫度計(jì)人工測(cè)量)temperature3fcoolingwatertank70-80℃

(measuredwiththermometer)

4.3.3前處理操作和管理：pre-treatmentandregulation

4.3.3.1酸洗液檢測(cè)制度：rulesoncheckpicklingliquid

1)檢測(cè)內(nèi)容a)HCl濃度checkitems:a)HCIconcentration

b)鐵離子濃度b)ironionconcentration

2)檢測(cè)頻度：4小時(shí)/次checkfrequency:everj,4hours

3)酸濃度不足可經(jīng)過(guò)添加新酸給予調(diào)整以提升酸洗速度。Whenacidconcentrationgets

belowtherequiredlevel,addsomenewtomaintainacidwashingefficiency.

4)鐵鹽濃度操標(biāo)時(shí)應(yīng)予排放。Expelpicklingliquidwhen.ronionexceedrequirements

排放標(biāo)準(zhǔn)：鐵離子濃度>200g/升expelstandard:ironionconcentrationover200g/liter

或FeCl2濃度>450g/升orFeChover450g/liter

HCI濃度<4%HCIconcentrationlessthan4%

4.33.2酸洗操作：acidwashingoperation

酸洗使用天車(chē)成捆進(jìn)行移位和翻動(dòng)，每個(gè)酸槽中均置放有3個(gè)梯形石，酸洗時(shí)經(jīng)過(guò)天車(chē)

吊帶收放和梯形石散捆作用，使鋼管表面相互磨擦，促進(jìn)除銹。在整個(gè)酸洗過(guò)程，這種吊帶

收放操作最少需進(jìn)行4-5次。Thereare3ladder-shapedstonesineachacid-washingtank,anduse

crane(omoveandrotatebundlesofpipes.Throughcrane'smotionofraiseanddrop,friction

amongthepipescanhelpfulwithremovingrustonpipes'surface.Duringwholeacidwashing

process,raise-and-dropmotionshouldbeperformedfor4-5times.

鋼管表面油污阻礙除銹并造成漏鍍，為此鋼管運(yùn)輸移位嚴(yán)禁使用鋼絲繩（包含焊管車(chē)

間），應(yīng)改用尼龍吊帶。Oilslainonpipe'ssurfaceimpederemovingnistandcauseincompletion

ofgalvanizing,sosteelwireropecannotbeappliedwhentransferringthesteelpipes（including

iheweldingworkshop）,onlynylonbeltisacceptable.

鹽酸酸洗除化學(xué)作用外，它對(duì)氧化鐵皮還有機(jī)械剝離作用使氧化鐵皮積存在槽底，為阻

斷積存氧化皮繼續(xù)消耗鹽酸，提議建立倒槽操作制度，每班應(yīng)進(jìn)行一次倒槽操作，將槽底積

存含大量氧化鐵皮污泥沖洗潔凈。

Apartfromchemicalreaction,picklingwithHCLcanhavemechanicaleffectonoxidationscale.

TopreventstockingoxidationscalecontinuallyconsumeHCL.Troughoperatingsystemshould

beregulated.

433.3漂洗操作：漂洗應(yīng)在流動(dòng)水中進(jìn)行，并進(jìn)行兩次漂洗，漂洗水可經(jīng)過(guò)再生處理后

循環(huán)使用，但處理站需對(duì)回流使用水鐵鹽含量和游離酸含量:進(jìn)行測(cè)控，回用水鹽酸濃度不得

高于4g/升，鐵鹽濃度不得大于3g/升。

433.3Rinsingoperation:rinsingiscarriedoutintheflowingwaterandproceedstwicerinsing.

Rinsingwatercanbereusedthroughregeneration.Butprocessingplantcantracktoironsaltand

freeacidofrecycledwater,andtheHCLconcentrationmustlessthan4g/liter,ironsalt

concentrationlessthan3g/liter

43.3.4熔劑檢測(cè)制度：fluxtestandinspectionsystem

I）檢測(cè)內(nèi)容：a）游離HC1濃度f(wàn)reeHCLconcentration

b）鐵離子濃度ironionconcentration

c）PH值PHvalue

2）檢測(cè)頻度：4小時(shí)/次4hour/timc

3）要求：PH值需控制在3.5?4.5范圍內(nèi)，通常情況下，因?yàn)樗嵯礆埩粑锞壒?，熔劑?/p>

多少含有游離酸.PH值均較，,氏.PH值大于4.5將引發(fā)析出,降低溶劑效用,應(yīng)加

HC1給予調(diào)整；PH值小于3.2或游離HC1濃度大于2g/升時(shí)，熔齊I」作用將降低，需加NHiOH

或加入鋅灰給予調(diào)整。

3)Requirements:PHvaluemustbecontrolledintherangeof3.5-4.5.generallyspeaking,dueto

picklingresidueresistance,flu*containsuitablefreeacidwhichcausePHinalowvalve,PH

valueismorethan4.5,whichcauseZnC12saltedout.Inordertolowerfluxinfluence,HCL

shouldbeadjustedproperly.PHvaluelessthan3.2orfreeHCLconcentralionmorethan2g/Iiter,

fluxeffectwillbelowerandmoreNH4OHshouldbeaddedoraddzincash.

43.3.5涂熔劑操作：Fluxoperation

熔劑須經(jīng)過(guò)連續(xù)過(guò)濾和加熱，過(guò)濾機(jī)每班最少進(jìn)行一次反沖清洗，濾芯需定時(shí)更

新。卜luxneedcontinuallytilleringandheating,filtershouldbeflushingeachwork,andtiltcrcore

shouldbechangedregularly

熔劑潔凈是否對(duì)鋅耗有很大影響，經(jīng)過(guò)試生產(chǎn)應(yīng)建立??套嚴(yán)格熔劑管理制度。

Thecleanoffluxhaveagreatinfluenceonzincconsumption.Throughtrialproduction,onesetof

fluxmanagementregulationshouldbeset.

4.4成品質(zhì)量檢驗(yàn)：finishedproductqualityinspection

4.4.1外觀漏鍍檢驗(yàn)。

4.4.2鍍層均勻性檢驗(yàn):硫酸銅腐蝕試驗(yàn)。Coatinguniformityinspection:coppersulfatetest

4.4.3鍍層厚度檢驗(yàn)：超聲測(cè)厚儀。Coatingthicknessinspection:ultrasonicthickness

measurementinstrument

4.4.4鍍層重量檢驗(yàn)：氯化錨置換試驗(yàn)。Coatingweightinspection:butterofantimony

4.5.熱調(diào)試規(guī)格:1/2”雙管生產(chǎn)（114線）：hottestingspecification:1/2"doublepipeproduction

4”單管生產(chǎn)（114線）；4"singlepipeproduction

第二部分設(shè)備關(guān)鍵技術(shù)性能

一.鋼管前處理段Pretreatment

l.lHcl酸洗槽5個(gè):HCLpicklingbath5

尺寸：長(zhǎng)X寬X深=7.6mX1.5mXl.5m

Dimension:lengthXwidthXdcpth=7.6mX1.5mX1.5m

結(jié)構(gòu)：玻璃鋼夾層結(jié)構(gòu)，槽壁和槽底用鋼結(jié)構(gòu)框架加固，槽低用花崗巖塊鋪墊。

Structure:FRPsandwichstructure,bathwallandbathbasearestrengthenedbyconstructed

steelstructure,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)又和貯酸罐及排污溝連接，

可實(shí)現(xiàn)酸洗槽加酸、排污、和酸槽之間“倒槽”操作。

1.2清洗水槽2個(gè)：cleaningwatertank:2

尺寸：長(zhǎng)X寬X深=7.6mX|.5mXl.5m

Dimension:lengthXwidthXdepth=7.6mX1,5mX1.5m

結(jié)構(gòu):和1.1相同。

Structure:sameas1.1

1.3熔劑槽2個(gè):Fluxbath:2

尺寸:長(zhǎng)X寬X深=7.6mX1.5mX1.5m

Dimension:lengthXwidthXdepth=7.6mX1.5mX1.5m

結(jié)構(gòu)：和LI相同。

配有熔劑過(guò)濾機(jī)一臺(tái)，利用過(guò)濾機(jī)泵將熔劑槽槽液連續(xù)抽出、過(guò)濾，并經(jīng)過(guò)一個(gè)換熱而

枳為3m2石墨熱交換器，將熔劑加熱到80C左右，加熱介質(zhì)為蒸氣，溫度利用溫度調(diào)整閥

控制。

Equippedwith1setfluxfilter,whichdrawoutsolutioninfluxbaththroughpumpoffilter,

andthenfliterbygraphiteheatexchangerinexchangeareaof3m2Whenfluxiswarming-upto

80℃,thatisfluxhasbecomesleam.Atthattime,temperatureiscontrolledbyadjustingvalve.

二.烘干爐dryingfurnace

尺寸：長(zhǎng)X寬=8mX7m

Dimension:lengthXwid(h=8mX7m

傳動(dòng)：制動(dòng)電機(jī)：YEJ100L——3,n=1500r.p.m,N=3kw：

Diving:drivingmotor:YEJ100L----3,n=1500r.p.m,N=3kw；

行星撰線減速器：XWEDE3-4P-74-289,1=289,n=5r.p.m；

Planetarycycloidreducer:XWEDE3-4P-74-289,1=289,n=5r.p.m；

鏈輪：1=391.9,Z=8,每步2齒需3秒。

Sprocket:t=39l.9,Z=8,每步2齒需3秒

烘干爐底板為鑄鐵雙面肋板，下部為烘干爐煙道，煙道內(nèi)敷設(shè)有小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，另外有一臺(tái)循環(huán)風(fēng)機(jī)，風(fēng)量為

6600NM?/h,N=5.5Kw,將烘干爐膛內(nèi)空氣引入煙道內(nèi)換熱器，經(jīng)加熱后又噴入爐膛內(nèi)，以

增強(qiáng)鋼管加熱效果，煙道入口溫度約600C,出口溫度約200℃,煙氣量約為12OONM37h,

每小時(shí)供熱量約為156500大卡。

Dryingfurnacesettingismadeofdoublecastironribbedplateandfluebelowit.tb114

pipehca(exchangerinsidethefluewithexchangeareaof20nrTheworkingprincipleisdrying

pipesthroughwastegaseswarmingupstiffenedplates.Exceptforheatexchanger,

circulatorwithair-voltime6600NM7h,N=5.5Kwdrawairinthedryingfurnacechamberinto

heatexchangerintheflue,andthenpuffintochamberafterheatingtostrengthenheateftectof

pipes.Inlettemperatureofflueisabout600℃,and200℃foroutlet,flux1200NM'/h,supplying

156500caloriceachhour.

烘干爐產(chǎn)量最大以8噸/時(shí)計(jì)，入料溫度設(shè)為20℃,出料溫度設(shè)為7()C,其吸熱量為：

8000X(70-20)X0.111-44400大K,利用系數(shù)為0.28。

Themaximumcapacityofdryingfurnaceis8ton/hour,feedingtemperatureis20CC,

out-feedingtemperatureis70cheat-absorbingis8000X(70-20)X0.i11=44400caloric,

coefficientis0.28.

鋼管在烘干爐內(nèi)輸送依靠鏈條步進(jìn)驅(qū)動(dòng)，輸送鏈移位步距為304.8mm,7m爐長(zhǎng)可移動(dòng)

22步，不一樣規(guī)格鋼管在烘干爐內(nèi)停留時(shí)間為表1-7所表示。

Thetransmissionofpipeindryingfurnaceisdrivenbystepchain,andtransmissionchain

displacingstepdistanceis304.8mm,thatisfurnaceof7mlengthdisplace22step.Below1-7are

retention(iincofpipesinthedryingfurnacewithdifferentspecification.

烘干爐內(nèi)鋼管加熱時(shí)間表1-7

Heatingtimeofpipesindryingfurnace

規(guī)格產(chǎn)量output節(jié)奏（秒）rhythm總加熱時(shí)間

specification（支/時(shí)）totalheatingtime

(秒)

0.5M11006.5221烘干爐內(nèi)容納鋼

0.758448.5289管數(shù)量為

1”54613.2449Pipesquantityin

1.25"42417578dryingfurnace

1.5〃36819.6666n=7000/304.8

2〃24514.7500=22

2.5"20517.6598

3”15723506/782

4”10933726/1122

三.入料混道feedingroller

114入料軸道長(zhǎng)28m,輻詞距1.43m,共20套輻,輸送速度2.78m/s,組合傳動(dòng),電機(jī)

N=4Kw,i=3.7t=140mmo端部設(shè)定位擋板，電機(jī)轉(zhuǎn)動(dòng)撥料。

LengthofRolleris28m,rollerdistance1.43m,andtotal20setsroller.Thetransmission

speedis2.78m/sandcombineddriving.MotorparametersisN=4Kw,i=3.7t=140mm.Position

plateisinthefrontpartofrollerwithmotorrotatingtokickout.

短道連續(xù)運(yùn)行，端部設(shè)定位擋板。

四.鍍鋅爐

Galvanizingfurnace

4.1加熱方法：heatingmethod

兩側(cè)長(zhǎng)焰燒嘴加熱，兩端有循環(huán)風(fēng)機(jī)，風(fēng)機(jī)流量約為燃?xì)馀懦隽?0倍左右，形成循環(huán)

再加熱方法，使?fàn)t內(nèi)溫度分布均勻，見(jiàn)圖示。

burner,circulatorinbothendsoffurnacewithairflow10(imesisofcombustiongas,

壬

4.2技術(shù)數(shù)據(jù)：（以下所列為一條線參數(shù)）

TechnicalData:

燃料：煤制氣，熱值1200-1350Kcal/m3

Fuels:coalgas.heatvalue1200-1350Kcal/m'

燃?xì)鉄欤汗鈮毫閘000-1500pa,氣量：50萬(wàn)大卡/h2個(gè)，25大卡/h2個(gè)；

Combustiongasburner:Pressure:1000-15()0paflowofgas:

鼓風(fēng)機(jī)：全風(fēng)壓400-590mm水柱，流量NM"h,電機(jī)lIKw；

Blower:windpressuresteam:400-500nunvolume:NM?hMotor:11kw

循環(huán)風(fēng)機(jī)：2臺(tái)，作溫度700C,最高溫度800C。

流量：Q=13000NM'/h,全壓：3Umm水柱，電機(jī)：5.5/4KW雙速電機(jī)；

Circulator:2setworking(emperature:700℃maxtem:800°C

Flow:Q=l3000NMVhpressure:steam:30mmMotor:5.5/4Kwdouble-speed

引風(fēng)機(jī)：一臺(tái),流量：Q=2400NM3/h,全壓:50mm水柱，電機(jī):2.2kw(變頻調(diào)速);

Draftfun:1set.flow:Q=24OONN4'/hpressuresteam:50mm,Motor:2.2kw(VVVF)

煙囪:直徑曲720,高度18m：

Ciiiiimcy:diamclc!：中720Height:18m

尾氣引風(fēng)機(jī)采取變頻調(diào)速電機(jī)，用于調(diào)整爐壓，以確保鍍鋅爐在微負(fù)壓下工作。

Ex