IEDCO Vacuum Feed Wand

Pickup from drums and containers

Process role: The feed wand is the material inlet of a vacuum conveying system when powder is supplied in drums or similar open-top containers.

Air entering around the wand entrains solids into the conveying hose. Wand geometry, insertion depth and operator movement set the solids loading and decide whether the powder bridges, surges or pulls excessive air.

Annular air path: Most wands admit conveying air close to the material inlet. Too much open area favors air over solids and lowers capacity. Too little can pull a dense plug into the hose, raise vacuum and stall the system. The useful setting is material-specific.

Containment and handling options

IEDCO documents an upright holster for storing the wand and a fabric drum cover with a viewing window for a more contained pickup.

A cover can reduce open handling, but the connection, ventilation path and changeover method still determine actual dust release and operator exposure.

Material behavior at the pickup point

Free-flowing granules may feed steadily with little intervention, though they can wear a thin inlet over time. Cohesive or compacted powders can form a stable cavity around the wand and starve the line, and a fine, aeratable powder may surge after the wand disturbs it.

Fragile products may need a lower pickup velocity or a different inlet arrangement. Abrasive particles influence wand, bend and hose wear.

Tests should cover a full drum, the low-level heel and the compacted condition found after transport or storage.

Selection and operating questions

• Drum dimensions, liner arrangement and usable heel.
• Powder cohesion, aeration response and dustiness.
• Required containment and local extraction.
• Ergonomic load, reach and frequency of repositioning.
• Grounding, conductive construction and combustible-dust controls.
• Cleaning, inspection and prevention of cross-contamination.

A suction lance is simple hardware, but it sits where the process meets the operator. That makes ergonomics and exposure control just as important as conveying rate.

Operator method and safe recovery

Define how deep the wand is inserted, how quickly it is moved and when the container may be tilted. A balanced support or automated holder can reduce repetitive load without removing the need to manage liners and residual product.

If flow stops, the response should avoid forcing the wand deeper while the line remains under vacuum. Isolate the transfer, identify bridging or blockage, then restore the approved pickup condition. For combustible dust, include conductive continuity across the wand, hose and receiving system in routine inspection rather than assuming a metal tube is automatically grounded.