5 STRAND BILLET CONTINUOUS CASTING MACHINE

1. STEEL MAKING CONDITION
Number of EAF 1

Heat size [t] Nominal 50
 Average 50
 Maximum 60
Tap to tap time [min] 58
Number of LF 1
Number of days 280
Annual output 
2. PRODUCTION REQUIREMENTS
ITEM PARAMETER
Section to be cast 150 mm ×150mm
Cut-off length 6m - 12m
Steel grade to be cast Low carbon steels
Low alloy steels
3. MAIN CHARACTERISTICS OF THE CASTER
ITEM PARAMETER
-  Number of strands 6
-  Strand centre distance 1250 mm
-  Bending radius (nominal) 6 m
-  Straightening method Continuous
-  Metallurgical length 20 m
-  Outfit sections 150×150
-  Casting speed range Min. 0.50 m/min – Max 5.0 m/min
-  Dummy bar restranding speed 3.5 m/min
-  Heat size xx t from EAF
-  Ladle transport equipment Ladle turret
-  Tundish car Liftable type
-  Tundish capacity Approx 30 t
-  Tundish shape Delta
-  Mould type 900 mm curved (continuous-tapered)
-  Electromagnetic stirrers None
-  Oscillator Leaf spring guiding, Motor driven, Sinusoidal oscillating curve
-  Dummy bar type Rigid
-  Mould level detection Radioactive (Cs137)
-  Secondary cooling High pressure water, 4 cooling zone
-  Withdrawal unit 5 rollers with 2 driven type (water-cooled)
-  Runout roller table Individual rolls
-  Roller table pass line level ±0.000 m  ( tentatively )
-  Cutting Oxygen + natural gas – torch cutting
-  Cutting length 6.0 - 12.0 m
-  Discharge roller table Individual rolls
-  Cooling area Discharge roller table + shifter + transition
cooling bed + turnover cooling bed + collecting table
4.2 STEEL GRADES GROUPS AND MAX. CASTING SPEED
150×150 :
Steel group Casting speed [m/min] MAX. Liquid length
[m]
 Average speed MAX. speed 
A 2.2 2.7 20.0
5. EQUIPMENT SUPPLY LIST
NO. Equipment description Qty. Remarks
   
1 ONLINE EQUIPMENT   
1.1 EQUIPMENT ON CASTING PLATFORM   
1.1.1 Ladle cover manipulator 2 set 
1.1.2 Fixed ladle turret 1 set 
1.1.3 Ladle weighing system 2 set 
1.1.4 Tundish 2 set 
1.1.5 Tundish cover 2 set 
1.1.6 Liftable tundish car 2 set 
1.1.7 Tundish flying nozzle quick change system 1 set 
1.1.8 Mould lubricating oil feeding device 1 set 
1.1.9 Tundish preheating station 2 set 
1.1.10 Tundish nozzle preheating device 2 set 
1.1.11 Moveable control box holder 5 set 
1.1.12 Slag box 3 set 
1.1.13 Launder 10 set 
1.1.14 Ladle emergency chute 1 set 
1.2. EQUIPMENT IN CASTING ZONE   
1.2.1 150×150 Mould 5 set 
1.2.2 Mould cover 5 set 
1.2.3 Mould level measure & control system 1 set 
1.2.4 Motor drive mould oscillation unit 5 set 
1.2.5 Oscillators common base frame 1 set 
1.2.6 Guiding section 5 set 
1.2.7 Guiding sections common base frame 1 set 
1.2.8 150×150 Spray headers 5 set 
1.2.9 Rigid dummy bar   
 • Main arc 5 set 
 • 150×150 dummy bar head 5 set 
 • 150×150 transition piece 5 set 
1.2.10 Dummy bar storage device 5 set 
1.2.11 Dummy bar storage device common base frame 1 set 
1.2.12 Withdrawal & straightening unit 5 set 
1.2.13 Withdrawal & straightening unit base frame 1 set 
1.3 DISCHARGE EQUIPMENT   
1.3.1 Cutting approach roller table 1 set 
1.3.2 Auxiliary withdrawal unit 4 set 
1.3.3 Auxiliary withdrawal unit base frame 1 set 
1.3.4 Automatic Torch cutting machine 1 set 
1.3.5 Automatic cut length system 1 set 
1.3.6 Crop-end chute & bucket 1 set 
1.3.7 Cutting exit roller table 1 set 
1.3.8 Run out roller table 1 set 
1.3.9 Moveable stop 5 set 
1.3.10 Discharge roller table 1 set 
1.3.11 Fixed end stop 1 set 
1.3.12 Billet shifter 5 set 
1.3.13 Cross transfer car 1 set 
1.3.14 Transition cooling bed 1 set 
1.3.15 Turnover cooling bed 1 set 
1.3.16 Billet storage bank 1 set 
2. OFF-LINE EQUIPMENTS   
2.1.1 Mould maintenance and pressure test stand 1 set 
2.1.2 Mould support stand 5 set 
2.1.3 Tundish tilting device 1 set 
2.1.4 Tundish drying station 1 set 
2.1.5 Steel structure in tundish preparation area 1 set 
2.1.6 Tundish nozzle setting & relining stand 1 set 
2.1.7 Tundish membranes 1 set 
2.1.8 Tundish support stand 5 set 
2.1.9 Tundish lifting beam 1 set 
2.1.10 Template for mould 1 set 
2.1.11 Template for guiding roller  1 set 
2.1.12 Service platform and walkways 1 set 
3 CCM  AXILIARIES   
3.1 COOLING WATER SYSTEM FOR CCM   
3.1.1 Mould cooling water distribution piping 1 set 
3.1.2 Secondary cooling water distribution piping 1 set Stainless pipe
3.1.3 Machine cooling water distribution piping 1 set 
3.1.4 Automatic back flushing filter  1 set Secondary cooling
3.2 HYDRAULIC SYSTEM FOR CCM   
3.2.1 Hydraulic station for ladle slide gate 1 set 
3.2.2 Central hydraulic station of CCM 1 set 
3.2.3 Discharge hydraulic station of CCM 1 set 
3.2.4 Hydraulic station for tundish tilting 1 set 
3.2.5 Hydraulic distribution piping for CCM  1 set 
3.3 LUBRICATION  SYSTEM   
3.3.1 Oscillations,withdrawal & straightening  units central grease lubrication unit 1 set 
3.3.2 Roller table system grease lubrication unit 1 set 
3.3.3 Discharge system grease lubrication unit 1 set 
3.3.4 Grease lubrication distribution piping 1 set Stainless pipe
3.4 COMPRESSED AIR PNEUMATIC SYSTEM   
3.4.1 Pneumatic control valve stand for moveable stop 1 set 
3.4.2 Compressed air distribution piping 1 set 
3.4.3 Nitrogen pneumatic control valve stand for dummy bar storage units 1 set 
3.4.4 Nitrogen distribution piping 1 set 
3.5 STEAM EXHAUST SYSTEM   
3.5.1 Duct of steam exhausting 2 set 
3.5.2 Steam exhausting fan 2 set 
3.6 STEEL STRUCTURE OF CCM   
3.6.1 Ladle car supporting steel structure 1 set 
3.6.2 Casting platform 1 set 
3.6.3 Intermediate platform 1 set 
3.6.4 Dummy bar storage platform 1 set 
3.6.5 Secondary cooling chamber 1 set 
4 EIC SYSTEM OF CCM   
4.1 Operation station 2 set 
4.2 Program compiling software 1 set 
4.3 Public PLC 1 set 
4.4 Strand PLC 5 set 
4.5 Hydraulic system  PLC long-distance station 1 set 
4.6 Discharge system PLC long-distance station 1 set 
4.7 Transducer 1 set 
4.8 General instrument 1 set 
4.9 Desk, box, cabinet 1 set 
4.10 Special type instrument 1 set 
4.11 Electric installation material 1 set