Metal Detection and Fire Protection Systems
topic
Magnetic extractors use permanent magnets in knee-bends of feed ducts to retain ferrous particles but cannot detect non-magnetic metals. Electronic metal extractors (e.g., Trützschler) combine spark sensors, metal detectors, and active operating flaps that divert contaminated material to waste containers with fire extinguisher devices. The Rieter ComboShield combines spark detection, metal extraction, and elimination with a rapidly operating flap.
Role
Damage prevention and fire protection are essential safety systems in the blowroom. Sparks or burning material require immediate line shutdown and diversion, while metallic contamination requires only temporary diversion before automatic resumption of normal operation.
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