Drag Sensor: A Simple yet effective solution for real-time monitoring of mass pull from flotation cell
Drag Sensor: A Simple yet effective solution for real-time monitoring of mass pull from flotation cell
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Drag sensor is an easy-to-use and reliable tool designed for real-time flotation mass pull monitoring tool. Validated through rigorous in-plant testing, this technology can improve the operational efficiency of coal and mineral flotation processes. The cost-effectiveness and superior accuracy make the drag sensor stand out compared to existing tools.
Drag sensor is an easy-to-use and reliable tool designed for real-time flotation mass pull monitoring tool. Validated through rigorous in-plant testing, this technology can improve the operational efficiency of coal and mineral flotation processes. The cost-effectiveness and superior accuracy make the drag sensor stand out compared to existing tools.
Elevate your flotation operation with the drag sensor, which can provide instant feedback on your mass pull to address challenges associated with fluctuation in recovery.
Elevate your flotation operation with the drag sensor, which can provide instant feedback on your mass pull to address challenges associated with fluctuation in recovery.
The drag sensor is installed at the concentrate launder of a flotation cell to provide instant feedback on your mass pull. The overflowing concentrates induce a drag force to the cantilever beam and cause a deflection on the beam, which is directly proportional to the mass flow rate.
The superior performance of the drag sensor was demonstrated through comparison with conventional sensors through five days of onsite testing.
An impressive R2 value of 0.97, strong linear relationship with the flotation yield (mass pull)
Narrowest prediction interval among the tested sensors with 50 -65% narrower prediction interval.
Correlation between clean coal yield and the outputs from different monitoring systems. The monitoring systems respectively measure (a) gas holdup, (b) overflowing froth velocity, (c) overflowing froth height, (d) air recovery, and (e) drag force exerted by overflowing froth. The yellow and black dashed lines represent 95% confidence interval and prediction interval, respectively.
Adapted from Park and Wang (2022) - IMPC conference
We are currently arranging multiple site trials of the updated drag sensor at mineral and coking coal flotation plants later this year. Stay tuned for more updates.
We highly appreciate your feedback. Please feel free to send an email to Hangil with any comments or suggestions.
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