熱軋設備組成PPT課件

1、熱軋設備布置圖熱軋設備布置圖Hot strip mill layoutRF entry sidePrimary descalerReheating FurnaceReversing Roughing mill attached vertical edgerMain diveRoll changing deviceCrop shearReversing finishing millCoiling furnaceCoiling furnaceRoll changing deviceLaminar strip coolingDown coiler Coil conveyorMain dive第1頁/

2、共43頁加熱爐入口設備加熱爐入口設備第2頁/共43頁1. Slab heat holding cover 板坯保溫設備板坯保溫設備Function： 1.Slab hot charging to decrease the NG consumption 2.Grade 400 steel , 250 degree HCR Condition Type：Sliding coverDrive motor：6-3.7kwCapacity：10 slabQuality：6 row第3頁/共43頁2. RF approach roller table 爐前輸入輥道爐前輸入輥道Slab receiving

3、roller tableSlab weighing&centering roller tableSlab inspection roller tableAir blower15.2m15.2mEnd stopper15.2mWeighing Device Centering DeviceAir blower: Compressed airWeighting machine: Hydraulic lifting Accuracy:+/-10KGCentering Device: opening:8001850mm Hydraulic driven第4頁/共43頁加加 熱熱 爐爐第5頁/共

4、43頁1.Slab charger & extractor板坯裝料和出料器板坯裝料和出料器Slab chargerReheating furnaceSlab charging roller tableSlab discharging roller tableSlab extractorCharging machine: Number of lifting arms:4 Max. Load:30ton Stroke of lifting arms:250mm Moving stroke:4m Cycle time:55sDischarging machine: Number of lif

5、ting arms:6 Max. Load:30ton Stroke of lifting arms:250mm Moving stroke:4m Cycle time:55sTechnical data:第6頁/共43頁2. Reheating Furnace加加 熱熱 爐爐 Type: walking beam typeoutput：200t/hSlab discharging temp.：1200-1250Furnace width：13.6 mFurnace length：36 mFuel ：Natural Gas第7頁/共43頁Primary Descaler高壓水除鱗設備高壓水除鱗

6、設備1700mmTechnical dada： Spray pressure：180kgf(Bar) Spray width ： 1700mm water flow rate ： 8m3/minslabheadernozzleTable roller第8頁/共43頁帶立輥式粗軋機帶立輥式粗軋機第9頁/共43頁1.Edger 立輥軋機立輥軋機Technical data:type：top driveRolling force：Max.588tonRoll speed：Max. 350m/minRoll opening：7801850mmRoll dia：9161015mmScrew down：e

7、lectro-mechanicalDriven motor：2-900KWMain driveSpindle lifting devicespindleEdger rollScrew down systemAWC hyd cly第10頁/共43頁2. Roughing mill 粗粗 軋軋 機機Technical data:Type：4high reversingRolling force：Max.4000tRolling speed：Max. 350m/minRoll opening： Max. 250mmPick up：30mmWork roll dia：10001100mmBackup

8、roll dia：14201600 mmScrew down：electro-mechanicalDrive motor：2-6500KW1.Work roll2.Backup roll112233443. Drive spindle4. Drive motor第11頁/共43頁3. OthersWork roll and backup roll cooling system: 1.7Mpa cooling water for WR 0.4Mpa cooling water for BURDescaling system: entry &delivery side flow rate:

9、2000L/min x 14 headerRoll changing system: WR changing:automatically Changing time:less than 10 minutes BUR changing:manually Changing time:1hrFume exhausting system: Type:water scrubber type Capacity:90000m3/hr Outlet dust:less than 50mg/m3第12頁/共43頁Crop shear頭尾剪切設備頭尾剪切設備Technical data:Type：Drum rot

10、ary typeCutting conditon: temperature:Min 900 bar thickness:Max.32mm bar width :1600mmCutting speed:150250m/minCutting force:1000tDrive motor:1-AC1300KW第13頁/共43頁爐卷軋機爐卷軋機第14頁/共43頁Coiling Furnace第15頁/共43頁Coiling mandrel第16頁/共43頁3. Finishing millTechnical data:Type：4high reversingRolling force：Max.4000

11、tRolling speed：Max. 800m/minRoll opening： Max. 100mmPick up：35mmWork roll dia：640720mmBackup roll dia：14201600 mmScrew down：electro-mechanicalDrive motor：2-6500KW第17頁/共43頁4.othersWork roll and backup roll cooling system: 1.7Mpa cooling water for WR 0.4Mpa cooling water for BURHot oil spray system: 3

12、 zone (1050mm,1051mm1350mm,13511600mm)Roll changing system: WR changing:automatically Changing time:less than 10 minutes BUR changing:manually Changing time:1hrFume exhausting system: Type:water scrubber type Capacity:100000m3/hr Outlet dust:less than 50mg/m3第18頁/共43頁層流冷卻系統(tǒng)層流冷卻系統(tǒng)第19頁/共43頁卷卷 取取 設設 備備

13、第20頁/共43頁1. Pinch rollTop pinch roll: 920mm dia x 1800 mm face harden facing thickness:7mmBottom pinch roll 520mm dia x 1800 mm face harden facing thickness:7mm Roll speed:900m/min Off set: 230mm Cooling:External water cooling Drive:AC500kwPinch roll polisher:Hydraulic cylinder operatedGrind stone:

14、Elastic grinding stone第21頁/共43頁2. Down coilerDown coiler housing: Type: Fixed type Hydraulic 3 wrapper roll coilerMandrel: Nominal expanded:752mm(adjustable) Fully expanded:770mm Collapsed:730mm Expand: hydraulic cylinder Cooling:external water coolingDrive: 1-AC900kwWrapper roll&drive: Type:3-s

15、wing type and hydraulic cylinder operated Cooling:external water cooling Drive:3-AC55kw第22頁/共43頁輥輥 道道第23頁/共43頁1. Roller table structure第24頁/共43頁2. Roller table layout第25頁/共43頁3.Roller table specificationNo.tablelengthrollernum.rollerdia.barrellength table roller pitchmotorpowertablespeedroller type1

16、152002040018008005.5120m/minsolid 2152002040018008005.5120m/minsolid 315200174001800725to108015120m/minsolid 413600154001800725to108015120m/minsolid 5152002040018008005.5120m/minsolid 613200144001800725to1080by S-H 400m/minsolid 73360041400180080018.5400m/minsolid 82640034400180080025400m/minsolid 3

17、2400180080025400m/minsolid 41400180080018.5400m/minsolid 104160053400180080011400m/minsolid 1110150144001800800,55011400m/minsolid 1210640173601800555,580,800,10007.5400m/minhollow and disk 138352360180083518.5850m/minhollow148352360180083518.5850m/minhollow1560501430018001000,370,395,56511900m/minh

18、ollow and disk 16201405430018003805.5900m/minhollow176156016330018003805.5900m/minhollow18155804230018003805.5900m/minhollowDescriptionFM delivetry run out roller tableFM fill in table run out tableRM mill entry roller table RM delivery roller tableDC entry roller tableCS entry roller tableFM approa

19、ch roller tableFM entry roller tableFM delivery roller table57600Delay roller tableslab charging roller tableslab reject roller tableslab discharging roller tableRM approach roller table9slab approachroller tablereceiving roller tableweighing roller tableinspection roller table第26頁/共43頁鋼鋼 卷卷 傳傳 送送 設

20、設 備備第27頁/共43頁1. Coil conveyor layout第28頁/共43頁2. Technical data第29頁/共43頁磨磨 輥輥 間間 設設 備備Roll shop第30頁/共43頁1. Roll shop equipment第31頁/共43頁2. Technical Data第32頁/共43頁空空 壓壓 機機第33頁/共43頁水水 處處 理理 系系 統(tǒng)統(tǒng)water treatment第34頁/共43頁1.water treatment process 工業(yè)水水池泵消防水池消防站點間接水水池泵加熱爐馬達儀表卷爐其他循環(huán)用水冷卻塔ROT水池泵ROT 水箱冷卻塔Scale

21、pit帶鋼冷卻泵 直接水水池 高壓除鱗泵 軋輥冷卻其他非循環(huán)用水Scale pit 沉淀池泵 過濾罐 冷卻塔泵 工業(yè)水第35頁/共43頁2. Water treatment technical data區(qū)分區(qū)分流量流量(m3/hr)壓力壓力bar入口溫度入口溫度C出口溫度出口溫度C加熱爐冷卻水系統(tǒng)Furnace cooling water system55045033軋機間接冷卻水系統(tǒng)Mill indirect cooling water system220044433軋機直接冷卻水系統(tǒng)Mill direct cooling water system550044235帶鋼冷卻水系統(tǒng)Lamina

22、r flow cooling water system1400034035第36頁/共43頁行行 車車Crane第37頁/共43頁1.HSM crane layoutSlab transfer carSlab yardTransformer (outside)42RFRF pulpit30RMMotor Room CFCFFMRoll transfer carRoll maintenance areaRoll storage rackR o l l coolerMain pulpitDCDC pulpitCoil yardCoil yardRoll shop22.930Laminar cooling70/10T100/10T30/5T100/20T40/20TCF100/20T303040/20T第38頁/共43頁2. Crane specificationCapacityColumn Max. WeightMax. HeightMain/Aux.Span(ton)(m)(ton)(m)Slab Yard12 slabs60-70/30(E/F)42#26#34Mill Yard29.2Edger40/5(D/C