siemensvai 连铸方案.docx

1、siemensvai 连铸方案BAOSTEEL Slab Caster Luojing Phase 2 CCM 4IPSCO Steel Mobile, AlabamaIPSCO Steel Montpelier, Iowa Geneva SteelUtah NUCOR Steel Hertford, NCNISCO Nanjing, China Anyang Iron & SteelChina Shaoguan Iron & SteelChinaPlate production route at NISCO, ChinaVertical Edger Baosteel Luojing Phas

2、e 2 Slab Caster 4 Caster Concept Main Data Slab Casterbottom feeding system greater than 1,100,000t of slabDummy bar system Caster Capacity9,000 mm to 17,600 mm Cut slab length 1600 to 3250 mm cold Slab width range 150 mm coldPlant equipped for slab thickness 130 to 200 mm Machine design thickness a

3、pprox. 16.4 m Metallurgical length (supported strand length6500 mm Bow radius1No. of strands per machine 1No. of machines150 t carbon steel Ladle size bow-type caster with straight mold, segmented strand containment, continuous bending/straightening of strand according to the VAI patented bending/st

4、raightening processDesign of slab casterVertical Mould MOLD DESIGN AND FLOATING - UP OF NON-METALLIC INCLUSIONS meniscus pen etr atio n str ea m m 900 eff L tangential point eff L L D tangential point concentration of non-metallic inclusions R 10 m Leff effective vertical length wash-out of shell R8

5、m STRAIGHT Industrial Solutions and Services Your Success is Our Goal CURVED Distribution of Nonmetallic Inclusions Curved vs Straight Mould Straight Mould VAI - Type CCM 125 125 Curved Mould S - Type CCM 100 100 Index of Inclusions Index of Inclusions 75 Center 50 Edge 75 Center 50 Edge 25 25 0 0 S

6、urface 20 40 60 80 100 120 Center 0 0 Surface 20 40 60 80 100 120 Center Thickness (mm Industrial Solutions and Services Your Success is Our Goal Continuous Bending & Straightening Straightening Strategies Single Point R R= Multi Point (e.g. 2 Point R R= VAI Continuous Straightening R R= Curvature 1

7、 k= _ R 1 k=_ R 1 k= _ R 0 L 0 L 0 L Surface strain rate %/m 0 L 0 L 0 L Surface strain % 0 L 0 L 0 L Industrial Solutions and Services Your Success is Our Goal Slab Casting References Industrial Solutions and Services Your Success is Our Goal Port Talbot 2 Jumbo Twin Slab Caster Industrial Solution

8、s and Services Your Success is Our Goal Heat size:120 t nom/150 t max.No. of strands:1Radius: 6.5 mMetallurgical length:16.4 mSlab thickness:150 mmSlab width:16003250 mmCasting speed:max 2.0 m/min Annual capacity:1,000,000 t nom.Steel grades:Low carbon to highcarbon steelsEnd products:Plates and coi

9、ls forship building, pipe NISCO Wide Slab Casters Installed Technologies Slab StorageSlab Storage Slab Conditioning40m Slab Casting Process Concept Modelling Peritectics Modelling Medium carbons Modelling Micro-Alloys Modelling Interface Strain Drive Calculation SMARTSegment Nanjing Iron & Steel Co,

10、 PR China Ultra Wide Slab Caster 2-Strand Medium Slab Casters Anshan ISCO CC1/CC2-NEW, P.R. China Number of strands: Ladle size: Machine radius: Metallurgical length: Slab dimensions (cold: Thickness: for 135 mm Width range: Cut length: Max. casting speed: Start-up CCM1-NEW: Start-up CCM2-NEW: 2x2 2

11、50 t 5m 22.3 m 130170 mm (equipped 9002000 mm 1518 m 3.0 m/min September 9, 2005 April 26, 2005 Industrial Solutions and Services Your Success is Our Goal 1-Strand Medium Slab Caster CC1 and CC2 Tangshan Xinfeng, P.R. China Number of strands: Ladle size: Machine radius: Metallurgical length: Slab di

12、mensions (cold: Thickness: Width range: Cut length: Max. casting speed: Start-up CC 1: Start-up CC 2: 2x1 85 t 5m 22.5 m 135160 mm 6001300 mm 6 m (for 160 mm 3.0 m/min August 18, 2005 September 19, 2005 Industrial Solutions and Services Your Success is Our Goal Contact Bob Perry Technical Sales Manager Siemens VAI Metals Technologies Ltd. Davy House, Unit S, Europa Link, Sheffield Airport Business Park, Sheffield, S9 1XU, UK Phone: 0044 1709 726505 Fax: 0044 114 2611719 Mobile: 0044 - 7921248272 E-mail: bob.perry Industrial Solutions and Services Your Success is Our Goal