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Condition based monitoring for Tuyeres

High-resolution infrared camera provided real-time thermographic images unaffected by noise from combustion gases to quickly detect hot spots in the tuyeres and optimize process conditions as needed

Home  Case Studies Temperature Measurement of the coke for fire safety in the coke wharf-2

Condition based monitoring for Tuyeres

Home    Case Studies    Pilger mill in tube rolling mills – hot and cold pipe detection

Pilger mill in tube rolling mills - hot and cold pipe detection

  • Increased efficiency: Scans the entire tuyeres to check for any refractory break.

  • Improved safety level: Hot spot detection to avoid costly damage and subsequent downtime

Challenges

During the process of heating iron-ore to make iron, hot air is injected at high temperature at the bottom of the blast furnace by tuyeres. The heated air optimizes the process accelerating the burning of the coke and effectively reduces the coke consumption per ton of iron produced. As smelting temperatures of over 1600⁰C is produced, it becomes critical to carefully monitor refractory temperature for hot spots and blockages.
Thermocouples do survive the high heat and high-pressure environment but lifespan of the thermocouple is significantly reduced due to damage to its metal sheath. Furthermore, sudden change in temperature readings due to snorting can result in unreliable thermocouple signals.

Solution

A high-resolution infrared camera from Optris is ideal for this application. It provides pin-sharp infrared pictures and videos unaffected by noise from combustion gases.
The real-time thermographic images prove especially valuable to quickly detect hot spots and optimize process conditions as needed.


System features include

    • Temperature range of 50⁰-600⁰C
    • Wide optic lens
    • Alarm and alert
    • PTZ Housing: Pan- Tilt housing

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Case Studies

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