Abrasive Blasting, Shot Peening & Surface Prep worked example

Dust Collector Loading at 99% collector uptime: a worked example

This scenario runs the dust collector loading calculation on the strong side: 99% collector uptime, with every other input held at its documented default. maintenance or EHS needs to anticipate collector loading before a heavy coating removal or high-rust job

The inputs for this scenario

  • Dust generated per blast cycle: 18 lb / cycle (unchanged)
  • Blast cycles: 24 cycles (unchanged)
  • Collector uptime: 99 % (raised for this scenario; the documented default is 96)
  • Capture efficiency: 92 % (unchanged)

Working through the calculation

  • Applying the documented formula (Gross dust load = dust generated per cycle × blast cycles) to the inputs above produces each figure below.
  • At this operating point the engine returns 393 lb dust for captured dust load, the number this scenario is built around.
  • At this operating point the engine returns 432 lb dust for gross dust generated.
  • At this operating point the engine returns 4.32 lb dust for uptime-related bypass.
  • At this operating point the engine returns 34.21 lb dust for uncaptured dust estimate.

How this compares with the baseline

  • Against the tool's baseline example, where collector uptime sits at 96% and the headline result is 382 lb dust, this scenario comes in 3.13% above the baseline at 393 lb dust.
  • Use it when sizing a collector, setting filter-change and hopper-empty intervals, or estimating captured versus fugitive dust for permit and ventilation records. Treat this as a target state: the delta against the baseline quantifies what the improvement is worth before you commit to chasing it.

Results at a glance

  • Captured dust load: 393 lb dust (headline result)
  • Gross dust generated: 432 lb dust
  • Uptime-related bypass: 4.32 lb dust
  • Uncaptured dust estimate: 34.21 lb dust

Run it with your numbers

  • Every input above is editable in the live Dust Collector Loading calculator, which recalculates instantly and can be shared with the inputs intact.

Last reviewed 2026-05-12.