Fengxin New Era Lithium Mine, a subsidiary of CATL, has chosen sonar flow meters.
Release time:
2026-06-04
Fengxinshidai Beneficiation Plant is indirectly wholly owned by Contemporary Amperex Technology Co., Limited (CATL). As an integral part of CATL’s battery‑industry value chain, it processes lithium‑bearing clay ores through crushing, grinding, mineral separation, and dewatering, with a raw‑ore processing capacity of 33 million tonnes per year.
· Installation of sonar flow meters at the New Era Concentrator ·
In Phase I of the Fengxinshidai project, sonar flow meters were deployed at the long-distance tailings transport point. The goal is to calculate metallurgical balance and recovery rates by integrating real-time measurements of flow rate and slurry concentration with feed‑in ore quantities and metal production. Given that these calculations are closely tied to overall throughput, accuracy and stability are of paramount importance—this is one of the key reasons why the customer opted for sonar flow meters.
Sedimentation Impact
In long-distance pipelines, which locations are prone to deposition, where the flow velocity is not representative?
As shown by the blue curve in the figure above, multiple sonar flow meters simultaneously measure at several locations. When one of the measurements exhibits a regular alternating pattern of high and low readings, it often indicates sedimentation. Conversely, when the pipeline is switched to flush with water, the flow measurement at that location returns to normal.
If a stable sand bed has already formed in the pipeline, the immobile bed reduces the cross-sectional area inside the pipe, thereby increasing the slurry velocity above the deposit. The linear relationship between flow velocity and deposit height is illustrated in the figure above. At this point, the deposit height can be estimated based on the increased velocity measured by an ultrasonic flowmeter. However, it should be noted that this data cannot achieve absolute accuracy; a more prudent approach is to increase the conveying velocity to prevent deposition from occurring.
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