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WRM & BM

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WRM & BM

  1. 1. 1 P.K.SINHA DGM I/C (WIRE ROD & BAR MILL)
  2. 2. WIRE ROD MILL
  3. 3. 3 WIRE ROD MILL & BAR MILL Technology Provider – Danieli, Italy. Automation & Electrics – Danieli Automation. Equipment Erection – SEPC. Cranes – WMI Pvt Ltd..
  4. 4. RHF WTP MILL AREA Cooling Conveyor C-Hook Area
  5. 5. WALKING BEAM REHEATING FURNACE
  6. 6. RE-HEATING FURNACE OF WRM  Consortium leader :M/s Bricmont Inc. USA ( Technology ,Design Engg, Supply of Main Eqpt, supervision)  Consortium Partner: M/s Gillanders Arbuthnot & Co.Ltd. ( MICCO), INDIA (Design Engg of Auxiliary Eqpt, Supply,Erection,Supervision)  Consultant : M/S MECON Ltd. (Project Management) 6
  7. 7. DESCRIPTION  TYPE- WALKING BEAM WITH IN FURNACE ROLLS SIDE CHARGING AND SIDE DISCHARGING TYPE.  CAPACITY- 150TPH (Cold charge)/180 TPH (Hot charge)  SIZE – L-19.5M X W-12.9M X H-14.6 M  MIXED GAS FIRED WITH INPUT BILLETS OF 150 mmx150 mmx12 mtr.  DEDICATED W.T.P WITH EMERGENCY O/H TANK.  LEVEL 2 AUTOMATION WITH LEVEL 3 INTERFACE. 7
  8. 8. 8 CHARGING SIDE OF WRM – FCE IS P
  9. 9. 9 DISCHARGING SIDE OF WRM FCE IS P
  10. 10. 10LIFTING FRAME TRAVERSE FRAME FIXED SKID POSTS AND PIPES MOVING SKID POSTS AND PIPES REFRACTORY LINING IS P
  11. 11. Air In Air Out Chimney RECUPERATOR 200 C 6100C Flue Gas(850oC) Waste gas(450oC)
  12. 12. Main Valve N2 purge CO gas Main Header 1000 DN Heat Zone Preheat Zone SoakZone Charging Door Dischargin g Door Gas Pipelines & Burner position 600DN 550DN 400DN 350DN 250DN 200DN
  13. 13. Industria l Water T.O.P Make Up Water Tank Soft water Tank ColdWaterChannel Heat Exchanger Back Wash Tank Industrial water Tank Softening Plant RO E.O.T. SSF FURNACE Dosing NRV ASCF WATER SYSTEM Dosing Cooling Towers Overflo w Buffer Tank ASCF
  14. 14. WIRE ROD MILL-LAYOUT
  15. 15. Wire Rod Mill Type of Mill Single strand continuous, +5 m mill floor level Capacity of the Mill 550000 t/year Wire rod sizes 5.5 mm to 22 mm in 0.5 mm increments 6.0 mm rebar Re heating furnace 150 t/hr walking beam type Input billet size 150X150 mm, 12 M long Maxm. Delivery speed 115 m/sec Grades of steel Carbon steel, spring steel, Electrode quality, Cold heading, low alloy steel, forging quality, Rebar Operating days 300 Working days 6 days (3 shifts per day) Hot rolling hours 5500 Coil weight 2T Coil size (mm) 850 ID/ 1250 OD Yield 97 % Mill Utilization 74.8 15
  16. 16. Wire Rod Mill Billet Cold/hot charging & Weighing Re-heating Furnace Billet discharging & descaling Roughing Mill Crop & Cob.Shear #1 Intermediate Mill Crop & cob. shear #2 Pre finishing Mill (vertical loopers & carpet roll charging Pinch roll, crop shear#3 Horizontal looper 2 stand pre-finishing block Water box Pinch roll & crop shear/snap shear Horizontal looper 8 stand No twist block Water box High speed crop & cob. shear RSM Water box Pinch roll & laying head Coil conveyor & forming chamber Coil conveyor, compacting,tying, Weighing, trimming station 16
  17. 17. 17
  18. 18. 18
  19. 19. 19
  20. 20. 20 2 HI STAND
  21. 21. 21 8 PASS FAST FINISHING BLOCK
  22. 22. 22
  23. 23. 23
  24. 24. 24 SPEED CONTROL PULPIT
  25. 25. 25 LAYING HEAD
  26. 26. Location: The laying forming head is located between the Wire rod Block and the cooling conveyor Purpose: The purpose of the laying head is to form the wire rod turns and discharge them onto the cooling conveyor. LAYING HEAD AND COIL FORMING ROLLER TABLE
  27. 27. 27 COIL FORMATION
  28. 28. 28 COIL HANDLING AREA
  29. 29. 29 COIL COMPACTOR
  30. 30. 30 BAR MILL LAYOUT
  31. 31. Parameters Bar Mill 1. Type Single strand continuous 2 Hi, H-V housing less stands 2. Supplier Danieli, Italy 3. Capacity 900,000 MT/Year 4. Bar sizes 8 to 50 mm (TMT up to 40.0 mm) 5. Reheating furnace 160 T/hr walking beam furnace 6. Input Billet size 150 mm square, 12 mt. long 7. Max. delivery speed 38.0 m/sec 31 BAR MILL
  32. 32. Parameters New Mill 8. Grades of product Carbon steel, low alloy steel & Rebar 9. Operating days 300 10. Working days per week 6 days (3 shifts per day) 11. Hot rolling hours 5500 12. Bundle weight 2-5 T 13. Commercial length 6,9,12 M 14. Yield 97 % 15. Mill utilization 71.3 % 32
  33. 33. • Endless Welding Rolling • Bar Slit Technology
  34. 34. MILL PROPER AREA 34
  35. 35. DIVIDING SHEAR AREA 35
  36. 36. SLIT ROLLING AREA 36
  37. 37. BAR MILL COOLING BED 37
  38. 38. 38 TWIN CHANNEL
  39. 39. THANK YOU

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