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Environmental Controls >> Baghouse


Air exhausted from ventilation systems is vented to cyclones, scrubbers, and baghouses for particulate removal. Dust must be removed from the separator (air pollution control equipment) and transported to storage, recycle streams, or to off-plant receivers. Dust collection systems can be a significant source of lead exposure if not properly operated, cleaned, and maintained.

Baghouse
Figure 1 Baghouse
Figure 1
Baghouse
Potential Sources of Exposure
  • Employees are at high risk of overexposure to lead dust:

    • While cleaning and maintaining dust collection systems (cyclones and baghouses).

    • While handling and transporting materials that were removed from dust collection systems (cyclones and baghouses).

    • While working near improperly maintained dust collection systems.
Possible Engineering and Work Practice Controls
  • Enclose or cover containers used to transport lead from dust collection systems.
    Arrow Dry Type Dust Collectors Dust Disposal
    Arrow Dry Type Dust Collectors Discharge Valves (Part 1)
    Arrow Dry Type Dust Collectors Discharge Valves (Part 2)

  • When working on or entering ventilation or dust-control equipment for maintenance or cleaning, implement proper permit required confined space entry and energy-control procedures.

  • Use appropriate Personal Protection Equipment.

  • Ensure that dust-control equipment is designed, operated, and maintained properly on a scheduled basis to prevent breakdown and release of lead to the ambient environment.

    • Dust Control Handbook: Fabric Collectors. OSHA, Bureau of Mines, and the U.S. Department of the Interior (1987, February), 29 pages. This section discusses how baghouses work, types of baghouses, advantages and disadvantages of each type, common operating problems and solutions, startup and shutdown procedures, and preventive maintenance procedures.
  • Do not vent combustion gasses to baghouses, unless they are properly designed, because the moisture in their gasses will clog the filter materials.
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