Dry Process Cement Plant, 1989, 1500 MT/Day, 50Hz

Description

  1. Overview
    1. One used dry process cement plant
    2. Main equipment supplied by reputed European manufacturer
    3. Rated for 1500 mt/day or 500,000 mt/year
    4. Electrics for 50 Hz
    5. Commissioned in late 1989, clinker production stopped in 2000 and restarted in 2004
    6. Plant closed again in 2009 due to market conditions
    7. Since then the plant has been started and run periodically; it ran for the last time in January 2012
  2. Pre-Blending Raw Material Storage System
    1. Four feed hoppers with variable speed belt feeder
    2. Feed conveyor system with transfer tower
    3. Steel storage building, 30000 mt capacity
    4. Stacking conveyor with slewing system
    5. Circular blending/reclaim system with harrow and scraper chain
    6. Reclaim conveyor to raw mill
    7. Additive bins, belt feeders, transfer conveyors
  3. Raw Milling System
    1. 4.2 m x 11.25 m raw ball mill, capacity 120 mt/hour
    2. Trunnion bearing supported, HP/LP lube system
    3. Girth gear and pinion drive, gear lubrication system
    4. Parallel shaft gear reducer with oil cooling system
    5. 2500 kW 50 Hz drive motor
    6. Barring drive with gearbox and electric motor and brake
    7. Hot gas generator
    8. Air separator
    9. Bucket elevator
    10. Air slides with fans
    11. Steel raw grinding department building
  4. Raw Meal Homogenizing Silo
    1. Combined blending and storage of raw meal
    2. Complete with four blowers, 4-way valve
  5. Pyroprocessing System
    1. Airlift with blower, standby blower
    2. 4-stage cyclone preheater
    3. Steel preheater tower
    4. Preheater tower lift
    5. Precalciner, coal fired
    6. Preheater fan
    7. Conditioning tower
    8. 4.0 m x 88 m rotary kiln
    9. Four support stations with tires and trunnion roller sets
    10. Thrust roller with hydraulic system
    11. Kiln main drive with girth gear, pinion, gearbox, drive motor
    12. Kiln barring drive with brake
    13. Ten planetary coolers
    14. Kiln burner coal/oil
    15. Pfister coal feeders for kiln burner, precalciner burner
    16. Electrostatic precipitator with fan
  6. Clinker Storage and Handling System
    1. Clinker pan conveyor
    2. Circular clinker storage building
  7. Coal Grinding, Storage and Feeding
    1. Drag chain feeder, two vibro feeders, two conveyors
    2. Raw coal hopper, raw coal silo
    3. Coal mill, vertical “E” type, 300 kW, 10 t/h, 90% -90 microns
    4. Two fine coal silos with load cell and filter, blowers
    5. Recirculation fan
    6. Main filter with fan
    7. Hot gas generator
    8. Fire suppression equipment
    9. Steel coal grinding department building
  8. Cement Grinding
    1. 4.0 m x 14 m cement ball mill
    2. Trunnion bearing supported, HP/LP lube system
    3. Girth gear and dual pinion drive, gear lubrication system
    4. Two parallel shaft gear reducers with oil cooling system
    5. Two 1500 kW 50 Hz drive motors
    6. Two barring drives with gearbox and electric motor and brake
    7. F.L. Smidth Sepax air separator, separator fan
    8. Feed conveyors
    9. Bucket elevator
    10. Air slides with fans, screw conveyors
    11. Cement mill draft fan
    12. Dedusting filter with fan
    13. Four feeders for clinker, gypsum, additives
    14. Airlift system
    15. Two gypsum silos
    16. Two fly-ash silos
    17. Steel cement grinding department building
  9. Packing and Dispatch Department
    1. Bucket elevator
    2. 8-spout F.L. Smidth rotary bag packer, 25 kg or 50 kg bags
    3. Bag elevator
    4. Dust collector with fan
    5. Bag handling conveyors
    6. Moeller automatic palletizer
    7. Pallet shrink wrap machine
    8. Three FLS Fluxo filling devices for bulk truck loading
    9. Steel packing department building
  10. Ancillary Equipment
    1. Control system
    2. Electric switchgear
    3. Transformers
    4. Air compressors
    5. Emergency diesel generator
    6. Overhead cranes and hoists
    7. Steel shed for gypsum, bauxite and coal storage
    8. Instrumentation including kiln shell heat scanner, kiln camera, kiln outlet pyrometer
    9. Material samplers
    10. Dust monitor
    11. Lab equipment