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Filter Bags
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PRODUCT GROUP
Cyclone Dust Collectors
Cyclone, multi-cyclone and baghouse filter pre-separator solutions that remove coarse and heavy particles by centrifugal action. Hantech Filter helps you select the right product combination based on your facility's flow rate, temperature, dust type and operating conditions.
Cyclone and multi-cyclone dust separators
Reducing dust load and spark risk ahead of the baghouse filter
Crushing, screening, drying, and pneumatic conveying lines
Housing thickness and wear-plate assessment for abrasive dusts
Integration of fan, ducting, hopper, rotary airlock, and screw conveyor
This page has been prepared to clarify the correct equipment scope and application decisions for your facility.
Pre-separation and reducing filter bag load
Cyclones separate heavy, coarse particles before they reach the filter bags, lowering the dust load on the baghouse. This approach extends bag life, reduces maintenance frequency, and helps the main filter run more consistently.
Centrifugal effect and body geometry
Dusty air entering the cyclone body tangentially creates a swirling motion. The heavier particles are thrown against the wall and drop down into the hopper. The cone angle, inlet cross-section, outlet pipe, vortex finder, and hopper sealing all directly affect separation efficiency.
Selection of single cyclone, multi-cyclone, and pre-separator
A multi-cyclone arrangement can be considered for applications needing high flow rate and more stable separation; a pre-separator approach can be evaluated to protect the baghouse filter and reduce spark and coarse-particle load. The goal is to prevent the main filter from being overwhelmed by unnecessary dust load.
Wear, hopper, and discharge control
For abrasive mineral and cement dust, housing thickness, wear plate, hopper angle, rotary airlock sealing, and screw conveyor capacity should be considered together. If air leaks in under the hopper, cyclone efficiency drops and dust can be carried back into the line.
Areas of Use
Can be applied as a single cyclone, multi-cyclone, or pre-separator ahead of a baghouse filter in crushing, screening, drying, grinding, pneumatic conveying, wood, mineral, cement, lime, and heavy-particle processes.
Air handling equipment and duct integration
Cyclone performance doesn't depend on body geometry alone. Inlet velocity, fan operating point, duct layout, elbow losses, hopper discharge, rotary valve sealing, and dust characteristics must all be evaluated together.
Global technical approach
Cyclone efficiency is determined by geometry, inlet velocity, dust density, and air leakage
Cyclones are generally designed as pre-separators that protect the baghouse, reduce spark loading, and capture heavy particles early.
Cyclone Dust Collector decision criteria
Product selection is made by evaluating site data, process risk, maintenance access, and operating cost together.
Information to be clarified before quotation
- Flow rate and inlet duct size
- Dust density/particle size and abrasiveness
- Target separation efficiency and main filter type
- Hopper/rotary valve sealing
- Air handling equipment static pressure reserve
Input Speed
If tangential velocity is too low, separation efficiency weakens; if too high, wear and pressure loss increase.
Vortex Finder
Outlet pipe length/diameter affects efficiency and pressure loss.
Bunker sealing
Air leakage from the bottom significantly reduces cyclone efficiency.
Wear protection
Body thickness/wear plates are required for mineral and clinker dust.
Product / application comparison
| Type / solution | App | Advantage | Caution point |
|---|---|---|---|
| Single cyclone | Coarse and heavy particles | Simple, durable pre-separation | Does not achieve low emission on its own with fine dust |
| Multi-cyclone | Higher flow rate and better separation | Increased efficiency with multiple cells | Maintenance and blockage checks are required |
| Pre-separator/drop-out box | Spark and coarse particle protection | Reduces filter bag tearing risk | Layout and velocity distribution are important |
| Wear-plate-lined cyclone | Abrasive mineral/clinker | Long body life | Pressure drop/fan calculation is redone |
Product images
Correctly classified field and equipment images for Cyclone Dust Collectors
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Technical selection
What we evaluate together during the quotation process
Flow rate, pressure drop, temperature, moisture, dust abrasiveness, emission target, maintenance access, and compatibility with existing equipment are all considered together.
Technical sizing
Correct sizing based on flow rate, pressure drop, filtration velocity, and A/C ratio.
Material & Media
Filter bag media, cage, and valve selection suited to process temperature, moisture, and dust characteristics.
Spare parts & service
Long-term spare parts supply, installation guidance, and field application support.
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