Case study: Reducing Sack Tipping Dust Exposure

18/02/2022 Case Studies

Process

Leading manufacturer offering a range of livestock feed for beef, sheep, dairy, pig and poultry. High dust exposure from sack tipping processes when in feeding of raw materials.

Substance Type: Mixed process minerals and feeds

Problems / Issues

  • Operators of a sack tipping process are being exposed to dust levels. Continuous exposure of dusts can lead to long term ill health. 
  • Due to a flawed design of the LEV system, there was poor airflow at the hoods of the sack tipping.
  • Continuous air fed RPE had to be used when carrying out this process
  • Labour intensive housekeep was required to contain dust within the working area

Images of situation before EF Specialists improvements :

Solutions / Improvements

  • Supply and installation of 2 x cartridge sack tip filtration systems, including transition section for hoppers
  • Commissioned face velocity of above 1.0 m/s of the opening face
  • No requirement for RPE due to sufficient dust control containment
  • No additional housekeeping required due to new solution

Images of results after EF Specialists improvements :

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