Sensor system for cement industry

July 2009 Sensors & Transducers

The FlameSightCem system from Orfeus Combustion Engineering is a high-temperature video imaging system with analysis and video data processing. It operates in combination with an online, non-contact temperature measurement system based on optical pyrometry for optimised kiln control.

An optical online analysis of the sintering process provides a number of qualitative assessments such as clinker size, flame conditions, turbidity and kiln dust level, as well as ‘snowmen’ and ‘red river’ formations in the clinker cooler entry.

The intelligent sensor system is composed of the field-mounted sensor and pre-processing components and system PC, normally located in the control room. Video and thermal image monitors are used as HMIs.

The FlameSightCem sensor with pneumatic operated retraction system is installed through the wall of the kiln hood or the wall of the clinker cooler. The sensor is water-cooled, air-purged and operates in the field with no moving parts. This special design protects the components against the harsh environmental conditions at the kiln hood or clinker cooler and guarantees a reliable operation with minimal maintenance.

Real-time visual information from the sintering zone or from the clinker cooler is permanently displayed on the video monitors in the control room. Any potential problems in the form of consistency, thickness, caking and ring-formation of the clinker bed are revealed.

For more information contact Colwyn Savings, OEN Enterprises, +27 (0)11 675 4447, colwyn@oenenterprises.co.za, www.oenenterprises.co.za

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