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FAGUS-GRECON Greten GmbH & Co. KGHannoversche Straße 58
31061 Alfeld

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Siegfried Jacob Metal Works

Fire protection for the foundry industry

Siegried Jacob Metal Works in Ennepetal are specialising in the recovery of metals. The processes reach from classic sorting via hydrometallurgy up to pyrometallurgy. The high process temperatures represent a challenge regarding fire protection. The Westphalian company has been relying on the GreCon Spark Extinguishing System to protect filter systems against fire since 2001.

Customer statements

Dr. Joachim Lüning - Factory Manager of Siegfried Jacob Metal Works

“The spark extinguishing system makes us feel safe that no sparks can reach the filters”

Technical details of spark detection

  • Control console CC 5016
  • 4 x FM 3/8 spark detectors
  • 2 x air purge adapter
  • Automatic extinguishing system

Spark extinguishment for the metal recycling

In order to reliably exclude damage caused by fire, the filter system is protected by an automatic spark detection and extinguishing system. For spark detection, spark detectors FM 3/8 that are equipped with fibre optic cables that can be used in process temperatures of up to 600 °C are installed. In 2016, the control console was updated to the latest generation to allow further extensions.

Risks of fire and explosion

Especially in pyrometallurgical processes, there is a permanent risk of spark flight. Metallic residues are melted at high temperatures in four melting furnaces and processed to customer-specific alloys. There is a permanent risk that ignition sources reach the downstream filter system.

Siegfried Jacob Metal Works

Founded as a scrap metal merchant in 1953, the company developed into one of the major metal recycling companies in Europe in the past 60 years and established itself as a reliable supplier of high-quality secondary raw materials from aluminium to zinc. Several thousand tons of metal are recovered per year at 10 sites.

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