Producing approximately 1.2 million tonnes of finished product, Celsa was experiencing slag carryover on a frequent basis, resulting in a loss of steel. To reduce the loss of yield and improve accuracy in ladle slag measurement, the company installed AMETEK Land’s SDS-640 slag detection system.
The SDS-640 slag detection system is a proven solution for accurate and timely detection of slag carry-over, allowing steel plants to improve product quality, reduce slag carry-over and improve operator safety.
Specifically designed to survive and operate in challenging and hostile environments, it has a high-resolution thermal imaging camera that detects the transition between liquid metal and slag, using the 3.9μm wavelength to see through smoke, dust, and fumes.
Following installation of the system, Scott Evans, Process Manager at Celsa Steel UK, said: “The system is working as we expected, and is delivering quantifiable cost benefits. It has led to a reduction in ladle tips – decreasing delays – an increase of ferro alloy recovery, and better control of the hot heel.”
Other benefits of the system include improved operator response times and consistency at the end of each tap. Compared with traditional methods of tapping stream monitoring, slag depths of up to 25% are being achieved, as well as improved productivity. Read their Case Study: The Benefits of Slag Detection.
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