Features 01
Expected Problems
?The particle size is periodically sampled and analyzed manually, but we want to reduce the frequency of analysis.
?If manual analysis is performed, action for improvement is sometimes delayed, leading to quality deterioration and operational trouble.
?Continuous particle size analysis is performed, but its accuracy is low, and it can't be used effectively because it is difficult to maintain functions due to the poor environment.
Features 02
Technology highlight
?The particle boundary is detected with high accuracy by a high-accuracy particle detection algorithm. Because it is possible to detect small-diameter particles, which were difficult to detect with the conventional measurement methods, accuracy is greatly improved.
- The amount of error is reduced by 40% compared to the conventional level (comparison with publicly known technologies).
- Realizes a high correlation with the results of sampling/manual analysis (correlation coefficient = 0.83)
?Long-term continuous operation is possible, even under poor dust environments. Maintainability is also considered.
Features 03
Proposed Solutions (Examples)
In the sintering process in the steel industry, this technology enables real-time measurement, on the conveyor belt, of the particle size of the granulated material discharged from the drum mixer.
Variations in the size of granulated particles can be reduced by feeding back the results of particle size measurements to mixer control and adjusting the amount of water addition. As a result, sinter bed permeability is stabilized, and an increase in sintered ore production volume and improvement sinter quality (yield, strength) can be realized.
*This technology is not limited to granulated sinter materials in the steel industry, but can also be applied to other conveyor loads with a near-spherical shape and a particle size range of about 1 to 15 mm, even in other industries.
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