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Prevent grain dust ignition in bulk tanks & silos

Temperature profiling in the food industry

Organic products exposed to environmental contaminants risk undergoing chemical reactions, involving an increase in temperature. This can lead to product degradation and inevitably introduce explosion risks. Accurate temperature profiling can detect these temperature hotspots and ensures highest product quality and personnel safety.

Silos for food storage of coffee beans ©Endress+Hauser

Multipoint temperature measurement in silos filled with organic products, such as roasted coffee beans

Benefits

  • Automatic monitoring of the measured temperature values in real time

  • Mitigation of risks through reliable temperature profile measurement for hotspot detection

  • Potential savings in reduction of non-quality products

  • Continuous operation and process availability are ensured

The challenge

The development of a solution to monitor temperature in multiple silos of a single location plant. The customer needed precise measurement of three temperature points per silo to identify a temperature increase above the defined limits in advance and to ensure consistent product quality.

Our solution


The iTHERM MultiSens TMS31 is a customized multipoint thermometer for demanding applications. With only a single entry point it reduces the required efforts for installation and creates fewer interferences with the thermal insulation.
Many solutions in the market use electrochemical sensors to detect ignition only when it happens but not before. To solve this problem, the Memograph RSG45 advanced data manager is used for seamless communication to the client’s control system.

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