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Hma Plant Operation

Date post: 05-Apr-2018
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    HMA PLANTOPERATION

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    Types Of Plants

    BATCH DRUM MIXER

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    NCAT 3

    Basic Purpose Of HMA

    PlantsTo produce a quality

    hot asphalt mixture

    that contains thedesired proportionsof asphalt andaggregate and meets

    all specifications.

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    Batch planttypical layout

    StorageSilo

    BatchTowerDryer

    Conveyor BeltAggregateBins

    Burner

    Asphalt Storage

    Hotelevator

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    Drum Mixer Planttypical layout

    StorageSilo

    Dryer

    Conveyor BeltsAggregateBins

    Burner

    Asphalt Storage

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    NCAT 6

    Common Plant Operations

    Cold aggregate storage andfeeding

    Dust control and collection

    Mix storage

    Weighing and handling

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    NCAT 7

    Common Plant Operations

    Cold aggregate storage andfeeding

    Dust control and collection

    Mix storage

    Weighing and handling

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    NCAT 8

    Aggregate Stockpile

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    NCAT 9

    Stockpiling Operations

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    NCAT 10

    Cold Feed

    BINS

    ConveyorBelts

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    NCAT 11

    Common Plant Operations

    Cold aggregate storage andfeeding

    Dust control and collection

    Mix storage

    Weighing and handling

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    NCAT 12

    Hma Mixing Plants CreateDust

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    NCAT 13

    Centrifugal Dust Collector

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    NCAT 14

    Baghouse Dust Collector

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    NCAT 15

    Collector Efficiency

    74 micron

    30 micron

    10 micron

    5 micron

    1 micron

    Cylone (80-90%)

    Multicone (80-90%)

    Wet collector (90-96%)

    Baghouse

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    NCAT 16

    Common Plant Operations

    Cold aggregate storage andfeeding

    Dust control and collection

    Mix storage

    Weighing and handling

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    NCAT 17

    Storage StuctureTypical Layout

    HOTMIX

    PLANT

    SurgeBin

    Conveyor

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    SURGESILO

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    NCAT 19

    Common Plant Operations

    Cold aggregate storage andfeeding

    Dust control and collection

    Mix storage

    Weighing and handling

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    NCAT 20

    Plants are computercontrolled

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    TRUCK BEINGLOADED FROM

    A DIRECTLYFROM A BATCH

    PLANT

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    Truck Being Loaded From ASurge Silo

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    NCAT 23

    TruckLoadingfrom aSurge

    Bin

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    BATCH PLANTtypical layout

    StorageSilo

    BatchTowerDryer

    Conveyor BeltAggregateBins

    Burner

    Asphalt Storage

    Hotelevator

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    NCAT 25

    Batch Plant

    Batch Tower

    Pug Mill

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    NCAT 26

    Burner - Batch Plant

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    NCAT27

    Schematic ofa batch plant

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    NCAT28

    Screen Deck

    HOT BINS

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    NCAT29

    Pug Mill

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    Drum Mixer Planttypical layout

    StorageSilo

    Dryer

    Conveyor BeltsAggregateBins

    Burner

    Asphalt Storage

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    Drum Dryer Mixer

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    NCAT32

    Temperature Profile in Drum

    Mixer

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    Dryer For Drum Dryer MixPlant

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    Dryer For A Drum Mixer Plant

    AggregateEntry Point

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    NCAT35

    Controls

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    Small Drum Mixer Plant

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    Sometimes Things Go Wrong

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    NCAT38

    Questions - ?


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