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Industrial fire protection in flour production

Process‑integrated solutions for controlling sparks, smouldering nests and frictional heat in milling and conveying processes.

Home Industrial Fire Protection Industries Flour Production Industry

Why flour processes are particularly prone to fire and explosion

Industrial flour production involves mechanical grinding, pneumatic conveying, silaging and filtration – all processes that generate highly combustible flour dust. During grinding, frictional heat and potential sparks are created, while pneumatic conveying lines can carry smouldering nests into downstream equipment.

Dry, fine dusts combined with high airflow promote explosive dust–air mixtures. Overheated bearings, foreign objects in mills or blocked conveying lines can generate ignition sources that may develop into fires or dust explosions in filters, silos or bunkers. In addition to safety risks, the presence of sparks or smouldering nests also affects product quality and may lead to contamination.

Flour dust reacts extremely sensitively to thermal and mechanical ignition sources. Only preventive, process‑integrated protection concepts can stop it from spreading to downstream areas.GreCon Engineering

A worrying trend that underlines the importance of fire prevention – extinguish fires before they spread!

The most effective method of minimising fire and explosion risks is to use powerful spark detection and extinguishing systems in combination with tailor-made fire protection concepts for machines and critical areas – developed and implemented by Fagus-GreCon.

> 1400

Fires recorded since 2014 – in Germany alone!

> 2200

Factory fires recorded worldwide in 2024.

> 2 bn €

per year is the amount of damage for German businesses.

GreCon PROTECTOR FLOUR – our protection concept for flour production

The flour industry requires a protection system that takes into account fine, easily ignitable dusts, complex conveying structures and continuous production processes.

GreCon PROTECTOR FLOUR is modular, scalable and fully integrable into machinery and conveying systems.

The GreCon PROTECTOR provides a comprehensive safety concept

  • Detection of sparks, glowing particles and thermal hotspots within milliseconds
  • Protection of all relevant process steps: grinding, pneumatic conveying, filtration, silaging and mechanical transport routes
  • Protection of the entire extraction and conveying chain: pipelines, suction lines, filters, cyclones, silos and bunkers
  • Automatic diversion or precise low‑pressure extinguishing – process‑adapted and without unnecessary interruptions
  • Optional gas inerting for sensitive products or hygroscopic materials
  • Decentralised control architecture for extensive production lines
  • Millisecond‑accurate documentation for the analysis and identification of ignition patterns
  • Modular design – scalable from individual units to complete plant‑wide solutions

How GreCon PROTECTOR works

  1. Detect – sensors detect sparks, hot particles or embers
  2. Decide – the system evaluates the risk in real time
  3. Extinguish – automatically, precisely and without interrupting production
  4. Analyse – event data helps to eliminate causes in a targeted manner
     

 

Worker in blue GreCon outfit with clipboard and helmet

The fu­ture of pre­ven­ti­ve in­dus­tri­al fire pro­tec­tion

For over 50 years, we have been developing tailor-made industrial fire protection concepts for every individual challenge in industrial fire protection – reliable, practical and precisely tailored to your processes.

Trust in over 50 years of experience in more than 100 industries

Benefit from 75,000 individually tailored protection concepts and experience gained from over 200,000 protected production areas. With Fagus-GreCon, you can effectively protect your company from the devastating consequences of a fire.

Consequences of a fire – more than just damage

Fires in flour mills occur particularly often in areas with heavy dust accumulation and intense airflow. Extraction systems, filters, cyclones or silos can turn into fire or explosion hotspots within seconds.

Economic, operational and strategic consequences:

  • Injuries and loss of life
  • Damage to mills, conveying routes, silos and filter systems
  • Severe production interruptions
  • Quality losses due to contamination
  • Repair and replacement costs
  • Loss of revenue and customers

The cost of doing nothing is high. Effective fire protection is not only a safety measure but a strategic necessity.

Ge­fah­ren in der Pelletproduktion

Dangers in flour production

Flour production is one of the most process‑critical industrial sectors, as dry, finely dispersed dusts are highly combustible and even very small ignition energies can trigger explosions.

Typical technical risk factors:

  • Frictional heat in mills and roller systems
  • Spark generation caused by foreign objects or tool wear
  • Smouldering particles in the pneumatic conveying stream
  • Dust‑air mixtures with low ignition energy
  • Overheated bearings or compacted lubricants
  • Deposits in filters, cyclones and silos
  • Material blockages in conveying lines
  • Fast, continuous process flows with minimal error tolerance

The result? An ideal environment for fires and explosions.

These risks are not theoretical – they are real, occur repeatedly and cause significant costs. That is why effective fire protection is not an option, but a necessity.
And this is exactly where Fagus‑GreCon comes into play.
 

We look forward to hearing from you.

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