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HMA PLANT OPERATION

HMA PLANT OPERATION. Types Of Plants. BATCH. DRUM MIXER. Basic Purpose Of HMA Plants. To produce a quality hot asphalt mixture that contains the desired proportions of asphalt and aggregate and meets all specifications. Batch plant typical layout. Asphalt Storage. Conveyor Belt.

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HMA PLANT OPERATION

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  1. HMA PLANT OPERATION

  2. Types Of Plants BATCH DRUM MIXER

  3. Basic Purpose Of HMA Plants To produce a quality hot asphalt mixture that contains the desired proportions of asphalt and aggregate and meets all specifications. NCAT

  4. Batch planttypical layout Asphalt Storage Conveyor Belt Aggregate Bins Batch Tower Dryer Burner Hot elevator Storage Silo

  5. Drum Mixer Planttypical layout Asphalt Storage Conveyor Belts Aggregate Bins Dryer Storage Silo Burner

  6. Common Plant Operations • Cold aggregate storage and feeding • Dust control and collection • Mix storage • Weighing and handling NCAT

  7. Common Plant Operations • Cold aggregate storage and feeding • Dust control and collection • Mix storage • Weighing and handling NCAT

  8. Aggregate Stockpile NCAT

  9. Stockpiling Operations NCAT

  10. Cold Feed BINS Conveyor Belts NCAT

  11. Common Plant Operations • Cold aggregate storage and feeding • Dust control and collection • Mix storage • Weighing and handling NCAT

  12. Hma Mixing Plants Create Dust NCAT

  13. Centrifugal Dust Collector NCAT

  14. Baghouse Dust Collector NCAT

  15. Collector Efficiency 74 micron Cylone (80-90%) 30 micron Multicone (80-90%) 10 micron Wet collector (90-96%) 5 micron Baghouse 1 micron NCAT

  16. Common Plant Operations • Cold aggregate storage and feeding • Dust control and collection • Mix storage • Weighing and handling NCAT

  17. Storage Stucture Typical Layout Conveyor HOT MIX PLANT Surge Bin NCAT

  18. SURGE SILO

  19. Common Plant Operations • Cold aggregate storage and feeding • Dust control and collection • Mix storage • Weighing and handling NCAT

  20. Plants are computer controlled NCAT

  21. TRUCK BEING LOADED FROM A DIRECTLY FROM A BATCH PLANT

  22. Truck Being Loaded From A Surge Silo

  23. Truck Loading from a Surge Bin NCAT

  24. BATCH PLANTtypical layout Asphalt Storage Conveyor Belt Aggregate Bins Batch Tower Dryer Burner Hot elevator Storage Silo

  25. Batch Plant Batch Tower Pug Mill NCAT

  26. Burner - Batch Plant NCAT

  27. Schematic of a batch plant NCAT

  28. Screen Deck HOT BINS NCAT

  29. Pug Mill NCAT

  30. Drum Mixer Planttypical layout Asphalt Storage Conveyor Belts Aggregate Bins Dryer Storage Silo Burner

  31. Drum Dryer Mixer

  32. Temperature Profile in Drum Mixer NCAT

  33. Dryer For Drum Dryer Mix Plant

  34. Dryer For A Drum Mixer Plant Aggregate Entry Point

  35. Controls NCAT

  36. Small Drum Mixer Plant

  37. Sometimes Things Go Wrong

  38. Questions - ? NCAT

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