10 Key Parameters for Precise Selection of Truck Unloader Models

DURHAM, Kan. - Aug. 7, 2025 - PRLog -- In the bulk material handling industry, truck unloaders serve as the "critical gateway" of material conveying systems, with their selection directly impacting operational efficiency in ports, mining operations, cement plants and other scenarios. Statistics show that improper selection of unloading equipment causes $1.2 billion in material losses annually worldwide, while accounting for 23% of unplanned downtime in the industry. As an EPC solution provider serving over 50 countries/regions, ZOOMRY's 20 years of project experience demonstrates that precise model selection can improve operational efficiency by 15%-40% while reducing total lifecycle costs by over 30%.

I. Processing Capacity

Processing capacity, measured in tons per hour (TPH), is the primary performance metric for truck unloaders. ZOOMRY's ZRLS-TU series offers a wide range of 200-1800 TPH, covering all scenarios from small sand quarries to billion-ton ports.

Selection Recommendations

• Mining applications: Typically facing complex terrain, 24/7 continuous operation and high-load requirements. Crawler chassis provide superior ground adhesion and stability for muddy conditions and slopes (up to 15° inclination), with modular design supporting rapid expansion to multi-stage conveying systems. Recommended model: ZRLD-TU1800 Crawler Truck Unloader (https://zoomry-ind.com/product/1133.html) (600-1800TPH) for high-intensity continuous operation.
• Port operations: Requiring strict mobility and space utilization. Wheeled ZRLS-TU1400 (200-1000TPH) with ≤6.5m turning radius and 10-minute relocation capability efficiently handles vessel berthing windows. Patented folding hopper (8.2×4.5m deployed) accommodates Panamax bulk carrier hatch layouts.
• Calculation formula: TPH=3600×Belt speed(m/s)×Material cross-section(m²)×Bulk density(t/m³)×Efficiency factor(0.8-0.9)
• Example: Cement plant processing limestone (density 1.5t/m³) with 1600mm belt width at 2.5m/s:
• Cross-section=Effective width×Layer height×Trough factor=1.6m×0.3m×0.9=0.432m²
• TPH=3600×2.5×0.432×1.5×0.85=4957 (theoretical). When theoretical value exceeds 2.5×rated capacity, dual-line solutions become economically advantageous.
• Practical selection: ZRLD-TU1800 (1800TPH rated) in dual-line configuration achieves requirements with 31% energy savings versus single high-power solutions.