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Filter Bags
Polyester, PP, acrylic, PPS, aramid, P84, PTFE, fiberglass, antistatic, and ePTFE membrane filter bag options.
ExploreBaghouse filter, cyclone separator, and air handling equipment solutions suited to abrasive dust at crushing, screening, grinding, drying, and transfer points.

Baghouse filter, cyclone separator, and air handling equipment solutions suited to abrasive dust at crushing, screening, grinding, drying, and transfer points. Dust load, operating temperature, maintenance access, and emission targets at each process point determine the product selection.
In mining and mineral processes, dust from crushing, screening, grinding, drying, and transfer is highly abrasive and carries variable moisture. Cyclone separators, baghouse filters, air handling equipment, ducting, and material discharge equipment are selected together based on product type and particle size distribution.

The filter housing, fan, ductwork, filter element, pulse-jet system and discharge/conveying equipment are not independent of one another; they are evaluated as components of the same operating point.
| Process Dew Point | Filter / dust-fume solution | Fan, ductwork and conveying equipment | Critical selection grade |
|---|---|---|---|
| Primary/secondary crushing | Hood extraction, cyclone + baghouse filter | Wear-resistant dedusting fan and ductwork | Impact, coarse particles, and high inlet loading |
| Screening and classification | Screen enclosure and local filter | Suction fan equipment, damper, and flexible connection | Vibrating equipment, leak openings, and fine fraction |
| Grinding/mill | Mill product filter or system filter | Mill fan equipment, separator fan equipment, and rotary valve | Very fine dust, high ΔP, and product recovery |
| Drying | Hot gas cyclone + suitable baghouse filter | Dryer ID fan and hot gas compensator | Changes in moisture, temperature, and stickiness |
| Hopper/conveyor transfer | Compact filters for transfer points | Screw conveyor, elevator, enclosed conveyor, and local air handling equipment | Wear, material drop height, and sealing |
Inlet and balance design suited to abrasive dust.
Provides flow and pressure balance for the product circuit.
Draws hot/humid gas through the cyclone separator and filter.
Creates local negative pressure at hoppers and conveyors.
Inlet distribution and protective plates for mineral dust.
Reduces coarse particle load and filter bag wear.
Media/coating selected based on wear, moisture, and temperature.
Based on flow-pressure and dust abrasiveness.
Controlled transfer of the collected dust and product.
For vibration, thermal movement, and wear points.
Exact capacity is not set by a catalog name; it is determined by process flow rate, system pressure, temperature, material/dust behavior and discharge continuity.
| technical data | Required site / process information | Impact on selection |
|---|---|---|
| Material | Mineral type, density, particle size, and abrasiveness | Determines filter/air handling equipment/conveying equipment. |
| Flow rate | The open area and simultaneity factor of each extraction point | Determines duct and fan capacity. |
| Moisture/temperature | Dryer outlet and dew point | Affects adhesion and media selection. |
| Inlet load | Dust concentration and coarse-particle ratio | Affects the cyclone and filter area decision. |
| Conveying capacity | Rotary valve/screw conveyor/bucket elevator tonnage | Prevents hopper blockage. |
These are not success percentages; they are risks that must be verified on site to select the right filter, fan and auxiliary equipment.
Wear on the filter bag and the fan impeller
Caking in moist powder
Leakage at transfer points
Insufficient hopper discharge
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ExploreShare your facility's dust collection needs; let us recommend the right system and spare parts combination.