F.L. Smidth, White Cement Plant, 300 TPD, 60Hz

Description

  1. Overview
    1. F.L. Smidth white cement plant, capacity 300 tons per day / 100,000 tons per year
    2. New in mid-1960's, operated until 2008
    3. Electrics are for 60 Hz
  2. Raw Storage
    1. Two limestone silos, 6,180 tons each
    2. One sand silo, 3,090 tons
    3. One clay silo, 3,090 tons
    4. Two extra silos, 1,610 tons each
    5. Two bucket elevators, 954 ft³/hr, 20 hp
  3. Raw Grinding
    1. One 12' x 21'6" F.L. Smidth raw mill: air swept ball mill, mill speed 16.6 rpm (74% of critical), Symetro gearbox drive (input 720 rpm, output 16.6 rpm), 770 hp 720 rpm 60 Hz 4160 V drive motor, complete with closed circuit ancillaries including cyclone and 14' Sturtevant air separator, 75 hp
    2. One 12' x 19' F.L. Smidth raw mill: capacity 29 tph @ 80% passing -200 mesh, air swept ball mill, mill speed 16.6 rpm (74% of critical), Symetro gearbox drive (input 720 rpm, output 16.6 rpm), 770 hp 720 rpm 60 Hz 4160 V drive motor, complete with closed circuit ancillaries including 16' Raymond air separator, 75 hp
  4. Kiln Department
    1. Two feed silos, 1,600 tons each
    2. One 9' x 253' F.L. Smidth Unax kiln (#1 kiln): clinker capacity 6.2 tph, 4 supports, slope 3/8" per foot, 60 hp main kiln drive (4 speed, 75 rph maximum), burner and fuel system for oil and gas firing
    3. One I.D. fan, 350 hp 4160 V drive motor
    4. One kiln feed elevator, 35 tph, 10 hp
    5. One dust elevator, 8 tph, 3 hp
    6. One clinker elevator, 5 hp
    7. One baghouse dust collector (#1 kiln): 3,600 ft² cloth area, 58,000 cfm
    8. One 9' x 253' F.L. Smidth Unax kiln (#2 kiln): clinker capacity 6.0 tph, 4 supports, slope 1/4" per foot, 75 hp main kiln drive (4 speed, 90 rph maximum), burner and fuel system for oil and gas firing
    9. One baghouse dust collector (#2 kiln): 3,600 ft² cloth area, 58,000 cfm
    10. One kiln feed elevator, 35 tph, 10 hp
    11. One dust elevator, 8 tph, 3 hp
    12. One clinker elevator, 5 hp
    13. One Hewitt-Robins double deck screen
    14. One 10" x 16" Universal jaw crusher
    15. Three clinker silos, 6,140 tons each
    16. One gypsum silo, 1,310 tons
  5. Finish Mill Department
    1. One 12'6" x 43' F.L. Smidth Unidan cement mill: capacity 18.6 tph @ 4,750 Blaine, air swept ball mill, mill speed 16.2 rpm (72.2% of critical), Symetro gearbox drive (input 514 rpm, output 16.2 rpm), 1,500 hp 514 rpm 4160 V 60 Hz drive motor, complete with closed circuit ancillaries including 16' Sturtevant air separator, 125 hp
    2. Two bucket elevators, 15 hp and 20 hp
    3. 5' diameter x 14'5" high cylindrical cement cooler
    4. FK pump 6H, 150 hp
    5. FK compressor C225, 150 hp