extraction walls

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Extraction walls for grinding dust, paint mist, smoke, and industrial emissions

Extraction walls capture airborne contaminants over a larger area and are suitable for work processes where a small local exhaust hood would be insufficient or would interfere with the workflow. The contaminated air is drawn away from the work area laterally or across the wall surface before dust, smoke, vapors, or paint mist can spread uncontrollably throughout the room.

In this category, you’ll find solutions for large-scale industrial extraction tasks. These include, among other things, compact turbo extraction walls with high airflow capacity and a shallow profile, as well as models featuring a multi-layer Andreae pre-separator for the mechanical pre-separation of paint mist and particles.

Extraction walls are used, for example, at grinding, painting, mixing, welding, and machining stations. Key factors for effective extraction include the wall size, distance from the process, air distribution, and a filter and fan system suitable for the specific contaminant.

Advantages of Industrial Extraction Walls

✅ Wide-area coverage across a larger work area

✅ Unobstructed workspace without an extraction hood that needs to be constantly adjusted

✅ Suitable for grinding dust, paint mist, smoke, and other emissions

✅ Different designs for various processes

✅ Can be integrated into central extraction and filtration systems

✅ Mechanical pre-separator possible depending on the model

✅ Particularly suitable for recurring tasks performed on a defined work surface
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Extraction walls for large-area industrial extraction

Extraction walls capture smoke, dust, and particles over a larger area and are particularly suitable for welding, grinding, and machining stations with changing workpiece positions. Capture takes place behind or to the side of the work area, so that the contaminated air is directed away from the operator as effectively as possible.

Typical Applications

✔ Welding and finishing stations

✔ Grinding and deburring larger workpieces

✔ Polishing and Machining Areas

✔ Changing work positions in front of a fixed detection area

✔ Centralized and decentralized extraction systems

Working Distance and Air Flow Rate

The collection efficiency decreases with increasing distance. An extraction wall should therefore be positioned as close to the process as the workpiece and workflow allow. Large open areas require a correspondingly sized flow rate.

Dust, smoke, and sparks

Suitability depends on the actual emissions. For heavy or spark-producing particles, a pre-separator may be advisable. Combustible dusts require a separate safety assessment of the entire system.

Common Mistakes in Selection

✔ Too much distance between the process and the wall

✔ Coverage area larger than the available air flow

✔ Lateral cross-flows not taken into account

✔ Sparks and coarse particles are not included in the filtration system

✔ Pipe network and filter resistance underestimated

FAQ

How close should the extraction wall be to the workstation?
As close as the workflow allows, since the coverage effect decreases significantly with distance.

Can an extraction wall capture welding fumes and grinding dust?
Generally speaking, yes, provided that the air flow rate and filter design are suitable for the specific application.

Does an extraction wall need its own fan?
Not required. Depending on the model, it can be connected to a central system.

When is a pre-separator advisable?
In the presence of high levels of coarse dust, abrasive particles, or sparks, it can relieve the load on the main filter stage.

Properly Configure the Extraction Wall

Working width, distance, contaminant, and available airflow are the most important initial parameters.

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