REDwire Infrared pyrometers reduce energy costs in steel industry application

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The pyrometer measures strip and sheet temperature to efficiently set up the rolling mill to match the steel’s temperature.

A consulting engineering company was looking for a competitive edge. The company, which offers machinery and a complete range of engineering services to the steel mill industry, wanted to improve the temperature monitoring of the hot rolled slab in a hot strip mill application. 

Thermo-Kinetics, a Mississauga, Ont.-based company that specializes in innovative solutions for process control and measurement challenges, had the answer.

The Thermo-Kinetics team recommended an ultra-precise single-point pyrometer from one of the companies it distributes product for. The LumaSense IS 320 Pyrometer (150 to 1,200 degrees C) and the LumaSense IGA 320/23 (200 to 1,800 degrees C) were selected because they were developed specifically for high temperature steel industry applications, and have a proven reliability in hostile environments. The solution measures strip and sheet temperature to efficiently set up the rolling mill to match the steel’s temperature. These sensors also detect the presence of hot metal to accurately time the roll stand operation for maximum efficiency.

Reliability was ensured with the use of a heavy-duty mount, SS air purge and connector. Ease of service was ensured with an LED targeting light and adjustable mount. RS485 communication and 4-20 mA analog output facilitated control system and operator integration.

What was the result? Hot rolling quality standards were positively impacted and energy costs reduced thanks to more accurate and consistent temperature control in the steel-making process from the LumaSense pyrometers. Without this level of accuracy, operators are forced to reheat more often than necessary, wasting valuable time, money and energy.

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Thermo-Kinetics Measurement & Control Ltd.

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