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Slag
Detector
Low
Cost
Reliable Real-Time
SlagTracker Brochure in PDF
Format
Experienced operators have long detected vibration
differences between steel and slag flow on the ladle shroud manipulator arm. Developed by Nupro Corporation, the Slag Detector uses these differences to
predict the onset of slag carryover.
In casting operations, the difficulty of reliable
and consistent monitoring of slag carry-over from ladle to tundish can have a serious
effect on yield and steel quality. During sequence casting, slag entrainment in the steel
stream at the end of heats leads to build-up in the thickness of tundish slag. The results
can be:
-poor steel cleanliness in the cast strand
-reduced tundish refractory life
-reduced productivity
While increasing ladle heel may reduce the amount of tundish slag, the resulting yield
loss can have a significant negative impact on productivity and steel shop capacity.
The Slag Detector:
Reliable & Consistent
An accelerometer mounted on the shroud manipulator arm sends amplified signals to the
system that filters and digitally processes the signals through a proprietary software
package. The system is fully automatic, non-intrusive, and is customized and tuned on site
to meet the specific needs of each casting operation.
Benefits:
 increased yield
consistent and reliable casting
improved steel cleanliness
improved tundish refractory life
reduced nozzle clogging
minimal maintenance costs
minimal operating costs
typical payback less than one year
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