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Cal Trans Asphalt Concrete Plant Inspection: Continuous Mix Process Controllers Mobile App

The purpose of Cal Trans Asphalt Concrete Plant Inspection: Continuous Mixing Plant Aggregate Drying And Heating mobile app is to act as a guide. It is not meant to be comprehensive; it is simply an outline with general information regarding Asphalt Concrete plants and plant inspection. This guide is geared toward an employee who may be new to this type of work or have little experience with asphalt concrete plants. This app covers: Continuous Mixing Plant Aggregate Drying And Heating. Aggregates are delivered by a series of belts (collection, weigh and slinger) to the drum for heating and drying. The continuous mix dryer drum is a revolving cylinder up to 10 feet in diameter and up to 60 feet in length. Test apps are a great starting place to learn how GoCanvas works!

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Take a peek inside the Cal Trans Asphalt Concrete Plant Inspection: Continuous Mix Process Controllers Mobile App

Included Features

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Included Fields

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    Aggregates are delivered by a series of belts (collection, weigh and slinger) to the drum for hea...

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    The continuous mix dryer drum is a revolving cylinder up to 10 feet in diameter and up to 60 feet...

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    ) Parallel Flow Drum: Heated air, aggregate, completed mix and exhaust gases travel in the same d...

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    ) Counter Flow Drum: Heated air and exhaust gases travel in one direction, while the heated aggre...

  • Ico checkbox

    ) Double Drum: this design utilizes a drum within a drum, where heated air, aggregate and exhaust...

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    ) Parallel/Counter Flow Drum with Coater: Heated air, aggregate and exhaust gases pass through th...

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    Fuel used to heat the aggregate may include LPG, propane, natural gas, diesel, heavy fuel oil or ...

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    A blower fan is used to supply air for combustion of the fuel, and an exhaust fan is used to crea...

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    The inside of the drum is equipped with longitudinal troughs or channels, called flights, that l...

  • Ico checkbox

    The inside of the drum is equipped with longitudinal troughs or channels, called flights, that l...

  • Ico checkbox

    The slope of the dryer drum, rotation speed, diameter, length and the flight configuration deter...

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    The inspector must be sure that the burner fuel is achieving complete combustion, there shouldn’t...

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    The exhaust fan creates the draft of air that carries the heat through the dryer drum and removes...

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    Imbalances between draft air and blower air velocities can cause back pressure inside the drum.

  • Ico checkbox

    A good rule of thumb for determining the heat transfer between the burner and aggregate is to com...

  • Ico checkbox

    If both temperatures are within 20F the drum mixer is operating efficiently and the fuel usage is...

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    If the temperature difference exceeds 20F the heat transfer is not as efficient, primarily due to...

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    Regular maintenance of the internal components, such as drying flights, and retainer rings will t...

  • Ico statictext

    If the aggregate exiting the dryer drum exceeds 1% moisture, the Plant Inspector should look at i...

  • ...and More!

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