Vane-type (blade) mist eliminators
Inertial deposition at channel bends — works only in horizontal flow
Schematic diagram, not an installation drawing.
A vane pack consists of profiled blades forming zigzag channels. Drops moving with the stream touch the walls by inertia at each channel turn, deposit, merge into a film and run downward into a drain pan with a separate outlet. The mechanism works only with correct orientation: the bends must “work” against the velocity vector, and the runoff must have a free path downward.
Typical applications
- sections after cooling coils and humidifiers;
- spray chambers at the duct outlet;
- locations with a pressure drop constraint — provided ζ is confirmed by the data sheet.
What to check before selecting
- Orientation: a vertical pack, horizontal flow. Upward flow requires separate drainage solutions — check with the manufacturer.
- Drainage: a free path for the film into the pan; breaks and horizontal runoff sections are not acceptable without a calculation.
- Velocity: check the operating v_face with the “Airflow velocity” tool; the allowable velocity comes only from the model data sheet.
- Service: access for inspection and washing.
What the manufacturer must state
This table is not a spec sheet: without the specific model datasheet, values stay “no data”. No typical numbers are ever substituted.
| Parameter | Value | Status |
|---|---|---|
| Efficiency at a given droplet load | — | per the model data sheet |
| Maximum velocity (re-entrainment onset) | — | per the model data sheet |
| Pressure drop ΔP at the operating velocity | — | per the model data sheet |
| Vane pitch and profile, pack depth | — | depends on the model |
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