Mineral Processing–Hydraulic Transport Pipeline
Release time:
2026-06-04
1. Introduction
Wear, variations in ore properties, and high pressure all make flow measurement in hydraulic transport pipelines challenging and costly. Sonar flow meters are unaffected by these factors, enabling more cost‑effective pipeline operation and leak detection.
2. Process
Hydraulic transport pipelines are a critical and cost-effective means of long-distance solid material conveyance. Many such pipelines traverse rugged terrains where elevation changes, geological conditions, weather‑related factors, and proximity to densely populated areas make accurate flow measurement essential for leak detection and operational control. Water properties and chemical additives can lead to scaling on the pipeline’s inner surface, while abrasive ores cause continuous wear. Elevation variations and/or the use of high‑pressure positive‑displacement pumps result in extremely high internal pressures in certain sections; in these locations, flow measurement is highly desirable, such as at pump discharge lines and choke stations.
3. Challenge
To date, intrusive electromagnetic flowmeters remain the technology of choice for flow measurement. However, high concentrations of abrasive solids can cause wear on the wetted internal components of these meters. Additionally, water characteristics and/or the use of chemical additives may lead to scale formation on the internal electrodes. Both phenomena can degrade meter performance and shorten its service life. In applications with elevated internal pressures—particularly in remote locations that are difficult to monitor—intrusive electromagnetic flowmeters are prone to leaks, potentially resulting in significant environmental damage.
Solution
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