Periodic Baghouse Inspection Recommendations
Daily
- Walk through the baghouse area to check for normal or abnormal visual and audible conditions.
- Check the pressure drop.
- Monitor the gas flow rate.
- Check the cleaning cycle.
- Check compressed air and water traps on pulse jet baghouses.
- Monitor the discharge system by making sure dust is removed as needed.
- Observe the stack plume opacity.
Weekly
- Spot check bag seating conditions.
- Spot check for bag leaks and holes.
- Check all moving parts on shaker baghouses.
- Check fans for corrosion and blade wear.
- Check all hoses and clamps.
- Inspect the baghouse housing for corrosion.
Monthly
- Spot-check bag tensioning in reverse air and shaker baghouses.
- Blow out (clear) the manometer or magnehelic lines.
- Verify the working order of temperature-indicating equipment.
- Check the compressed air lines, including line oilers and filters.
- Check the bag cleaning sequence to see that all valves are seating properly.
- Check all moving parts on the discharge system and check the screw conveyor bearings.
- Check the drive components on all fans.
Quarterly
- Thoroughly inspect all filter bags.
- Calibrate the opacity monitor.
- Check gaskets on all doors and ducts.
- Inspect the paint on the baghouse and note corrosion.
- Inspect the baffle plate for wear.
- Observe the dampers for proper seating.
- Check the ducts for dust buildup.
Annually
- Check all welds and bolts.
- Check the hoppers for wear.
- Replace high-wear parts on the cleaning system.