1MIXING PLANT OPERATIONPURPOSE OF HOT-MIX PLANT:To prepare a hot mix containing the desired proportions of asphalt and aggregate and meeting all specifications.TWO MAIN TYPES:1. Batch plant(A) Produces one batch at a time (3,000 to 10,000 lbs/batch)(B) Dries and heats the aggregate in a dryer, and mixes the aggregate and asphalt in a separate mixerFourteen Major Parts1. Cold bins2. Cold feed gate3. Cold elevator 4. Dryer5. Dust collector6. Exhaust stack7. Hot elevator8. Screening unit9. Hot bins10. Weigh box11. Mixing unit - or pugmill12. Mineral filler storage13. Hot asphalt cement storage14. Asphalt weigh bucketMajor Batch Plant Components. (Modern plants also include a baghouse in addition to the dust collectors shown in number 5 above.)Cold BinsCold Feed GatesCold BinsCold Feed SystemReciprocating Plate FeederEccentricFeederPlateStrokeVibratorVibrating Pan Feeder
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