Animation of the Pulse Jet Cartridge Dust Collector for air dust collection. Model FOEHN Modular

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Equipment selection and calculation department: [email protected]

Sales and Production Facility in Oklahoma: +1 (918) 406-5684

Sales Office in California:+1 (213) 403-6530

Modular cartridge-style dust collector with pulse-jet cleaning for dry dust and fumes

🔧 Key Specifications & Features

Airflow capacity: ~ 600 – 38,000 CFM (≈ 1,020 – 64,500 m³/h) depending on number of modules.

Filtration efficiency: Up to 99.9% (for particles ~0.5 µm or larger) depending on dust, temperature, humidity.

Filter media: Cylindrical cartridges (folded “bag” equivalent) with large surface area; compact design.

Cleaning method: Pulse-jet compressed-air cleaning of cartridges (automatic regeneration).

Construction: Modular bolt-together frame; quick installation and expansion by adding modules.

Operating temperature (standard): Up to ~212 °F (100 °C) (upgrade options may exist).

Dust discharge: Conical hopper with manual or automatic gate options; modular design for discharge systems.

Suitable for: Non-sticky, non-explosive dusts and fumes (e.g., welding, laser/plasma cutting, metal processing, light powders) in industrial settings.

🏭 Typical Applications

Metal fabrication (welding, plasma/laser cutting)

Powder processing, light mineral/metal dust handling

Industrial plants needing modular and scalable cartridge dust collection

Retrofits where space is constrained but high efficiency is required

✅ U.S. Specification Checklist (OSHA / NFPA / EPA Considerations)

When specifying this unit for U.S. facility use, ensure the following data and checks:

Required volumetric flow (CFM) and duty cycle of dust-laden air.

Dust characteristics: particle size distribution, concentration (mg/m³ or ppm), moisture/adhesion/abrasion.

Gas stream conditions: temperature, pressure differential (positive/negative), chemical composition, humidity.

Filtration target or outlet emission limit (mg/m³ or ppm) required by permit or internal standard.

Installation environment: indoor vs outdoor, structural support, clearance for module addition, access for maintenance.

Material of construction and filter media: if dust is combustible, check for antistatic media and explosion protection (NFPA 654/68).

Compressed-air supply for cleaning: ensure compressor capacity, receiver volume, cleaning interval controls.

Hopper/discharge system: manual vs automatic, dust collection container, compatibility with dust disposal/recycling.

Access and maintenance: cartridge removal access, doors/hatches, service clearance, monitoring (pressure drop).

Compliance: U.S. EPA particulate emission rules, OSHA indoor air standard for dust, NFPA combustible dust safeguards.

Expandability: modular design allows adding extra modules if flow or dust load increases.