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Vibration-Based Smart Sensor for High-Flow Dust Measurement.

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  • 1CARTIF Technology Center, Av. Francisco Vallés, 4, 47151 Boecillo, Spain.

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Researchers developed a prototype to measure filler flow in asphalt mixes using vibration analysis. This innovation accurately quantifies fine particles in industrial settings, improving asphalt production quality.

Keywords:
automationdigital transformationdustfillerindustrial plantsindustry 4.0innovationprocess industrysensorssignal processingsmart sensingvibration

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Area of Science:

  • Civil Engineering
  • Materials Science
  • Mechanical Engineering

Background:

  • Asphalt mixes contain aggregates, additives, and bitumen, with fine filler particles (<0.063 mm) crucial for mixture properties.
  • Accurate quantification of filler flow is essential during asphalt mix production, but existing sensors are unsuitable for harsh industrial conditions.

Purpose of the Study:

  • To present a novel prototype for measuring filler flow using vibration analysis.
  • To address the need for a viable sensor to quantify filler in cold aggregates within asphalt plants.
  • To simulate and validate the prototype's performance under realistic baghouse aspiration conditions.

Main Methods:

  • Developed a prototype system that uses vibration analysis to measure filler flow.
  • Simulated the aspiration process of an industrial baghouse in a laboratory setting.
  • Utilized an accelerometer positioned outside a pipe to detect vibrations caused by filler particles impacting a steel bar.

Main Results:

  • The prototype accurately replicates filler flow and particle concentration conditions found in industrial baghouses.
  • An external accelerometer successfully detected filler flow within the pipe, even with varying aspiration conditions.
  • Results demonstrate the potential to extrapolate laboratory findings to real-world baghouse models.

Conclusions:

  • The developed prototype offers a viable solution for measuring filler flow in asphalt production.
  • The vibration analysis method is effective for quantifying fine particles under challenging industrial conditions.
  • The findings support the application of this technology to various aspiration processes, especially those involving baghouses.