Bulk Solids, Mining, Aggregates & Material Processing worked example

Baghouse Airflow at 65% baghouse online uptime: a worked example

Here is what the math looks like when conditions slip. We hold every other input steady and drop baghouse online uptime to 65%, then walk the calculation through step by step. Estimate baghouse airflow for baghouse airflow for bulk solids, mining, aggregates, and material processing using plant-floor material, production, quality, capacity, or cost inputs.

The inputs for this scenario

  • Material captured per filtration cycle: 18 tons / cycle (held at the documented default)
  • Available filtration cycles: 240 cycles (held at the documented default)
  • Baghouse online uptime: 65 % (the input this scenario stresses; the baseline uses 90)
  • Capture efficiency (first-pass): 96 % (held at the documented default)

Working through the calculation

  • The calculation starts from the formula this tool documents: Gross baghouse airflow = baghouse airflow output per cycle × available baghouse airflow cycles.
  • Baghouse Airflow works out to 2,696 tons at these inputs, and this is the headline figure for the scenario.
  • Gross baghouse airflow works out to 4,320 tons at these inputs.
  • Baghouse Airflow uptime loss works out to 1,512 tons at these inputs.
  • Baghouse Airflow yield loss works out to 112 tons at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where baghouse online uptime sits at 90% and the headline result is 3,732 tons, this scenario comes in 27.78% below the baseline at 2,696 tons.
  • The practical read: the gap between this scenario and the baseline is entirely attributable to baghouse online uptime, so recovering it is worth quantifying in dollars before considering equipment or staffing changes. It treats uptime and yield as fixed fractions over the run and assumes a steady per-cycle output, so surges in dust loading or rising pressure drop that cut cycle output aren't captured.

Results at a glance

  • Baghouse Airflow: 2,696 tons (headline result)
  • Gross baghouse airflow: 4,320 tons
  • Baghouse Airflow uptime loss: 1,512 tons
  • Baghouse Airflow yield loss: 112 tons

Run it with your numbers

  • To rerun this with your own numbers, open the live Baghouse Airflow calculator, set baghouse online uptime to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.