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Precise and durable temperature control in preheaters

Boost efficiency, cut emissions and save energy in cement production

In cement manufacturing, precise temperature measurement and control during the preheating phase is critical for optimizing energy efficiency and process reliability. The iTHERM FlameLine TAF16 high-temperature thermometer, combined with the remote iTEMP TMT142B transmitter, offers a robust solution to the harsh conditions of cyclone. Withstanding extreme temperatures, corrosive and abrasive environments, this advanced measurement system ensures long-term stability and accuracy.

Precise and durable temperature control in preheaters ©Endress+Hauser

Benefits

  • Acceleration of the calcination process

  • Increase kiln throughput

  • Reduction in dust emissions

  • Savings of up to 30% in energy consumption through preheating

The challenge

In cement production, accurate and reliable temperature measurement plays a crucial role. One of the most critical steps in clinker production is the preheating of the raw material before it enters the rotary kiln. The raw material is fed into the cyclone and preheated to a temperature of around 850°C (1562°F). This preheating step is very important as it is estimated to save up to 30% of the cement plant’s total energy consumption.

Our solution

An iTHERM FlameLine TAF16 high temperature thermometer with metal sheath enables the customer to achieve reliable and accurate measurements with long-term stability, despite the extremely challenging process conditions, thanks to its unique design, construction and manufacture. The measuring point is supplemented by iTEMP TMT142B, which can be used as a remote indicator and reliably reports the signal back to the control system.

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