Abstract Of Port Long-Distance Pipe Belt Conveyor Systems
After six months of trial operation, the conveyor has transported nearly 2 million tons of coal. Performance metrics include low noise, minimal pollution, no belt twisting or deviation, and reduced maintenance, achieving significant economic and environmental benefits.
Application field
Long-distance tubular belt conveying systems for ports and terminals.
System Highlights
Environmentally friendly, stable operation, automated control.
Equipment Selection
Pipe belt conveyor.
Materials Handled
Ores, coal, mineral powder, coal powder, fertilizers, grains, and similar bulk materials.
System Provider
Juxin is a design and equipment manufacturing service provider for port-based pipe belt conveyor systems.
Introduction to Pipe Belt Conveyor Project
A coal-fired power plant is located on the north bank of a river section in the lower reaches of the Yangtze River. The plant's coal unloading terminal is situated in the main channel of the Yangtze River, using an elevated trestle bridge to cross sandy shoals and waterways, directly transporting coal to the plant. The project scope includes:
One 50,000 DWT coal import berth (accommodating 70,000 DWT vessels) and one 4,000 DWT coal transshipment export berth, with ancillary facilities.
Annual throughput:5.2 million tons, including 500,000 tons of coal transshipment.
Terminal platform dimensions:275 m × 28 m.
Total length of the coal conveying trestle:1,417.623 m.
Key Equipments Of Port Long-Distance Pipe Belt Conveyor System
Pipe Belt Conveyor
After decades of technical refinement and practical application, standardized design, installation, and commissioning processes have been established, with mature product series and manufacturing expertise in China. Based on evaluations of operational cases domestically, pipe belt conveyors demonstrate clear advantages over troughed conveyors in environmental protection, noise reduction, and maintenance costs. China's mature design, manufacturing, and management capabilities ensure technical feasibility for this project.
Tubular Belt Conveyor
The tubular belt conveyor at this port is configured for a maximum capacity of 3,600 tons per hour, with key parameters as follows:
Material Density: 0.85 t/m³
Horizontal Length: 1,460.388 m
Lift Height: 23.93 m
Tube Diameter: 600 mm
Belt Speed: 5 m/s
Conveyor Equipment Selection Principles
Advanced Technology Principle
The tubular belt conveyor in this project features a domestic leading pipe diameter (600mm) and advanced conveying capacity, belt speed, and drive power. High-voltage frequency conversion drive technology (first applied to tubular conveyors in China) was selected after comparing solutions like hydraulic couplings and CST drives, balancing technical superiority and cost-effectiveness.
Rational Design Principle
Layout optimization: A "straight + curved" configuration between Phase I and Phase II conveyors minimizes civil engineering costs. Drive systems are rationally allocated for phased implementation.
Closed-tube section: 600mm pipe diameter, 1,200mm frame width.
Dual conveyor spacing: 2,400mm center-to-center.
Total trestle width: 9,800mm (including 5,000mm maintenance lane).
Transition section: Length 57,200mm (≥50×pipe diameter).
Tail unfolding section: 3,040mm frame width, 4,400mm center spacing, length 26,990mm.
Head unfolding section: Length 52,352mm, enclosed corridor width 9,600mm (vehicle ramp separated, only maintenance access retained).
Expandability Principle
Support the expansion of the third-phase system to meet the operation requirements of the first and second phases of the power plant. The maximum coal receiving capacity at the wharf is 3,000 tons per hour (3,600 tons per hour for the third phase), and the single-line capacity of the first and second-phase systems is 2,000 tons per hour (for the stockyard) and 1,000 tons per hour (for the coal bunker). In the design:
A receiving hopper and an active feeder are installed at the head of the approach bridge to achieve precise diversion.
Reserve interfaces for Phase III. The T11 transfer station will automatically switch between the Phase I/II and Phase III systems through an electric three-way valve.
Forward-looking Principle
The components of the quay belt conveyor and the trestle are pre-configured according to the requirements of Phase II. The design of the T10 and T11 transfer stations reserves space for the connection of Phase II and Phase III to ensure the overall scalability of the project.
Technical Advantages Of Port Long-Distance Pipe Belt Conveyor System
Belt Stiffness Optimization
Transverse rigidity: 480–518 g/75 mm (6.4–6.9 kg/m). High-retention rigid belts are used to maintain tubular shape integrity over time, preventing collapse seen in standard belts after 1–2 years.
01
Curved Belt Layout
Phase I and III conveyors are arranged in straight-curved configurations. Transition sections (57.2 m) gradually adjust centerline spacing from 4.4 m to 2.4 m, reducing trestle width from 11.8 m to 9.8 m and lowering civil costs.
02
Selection of Variable Frequency Drive Motors
The application of VFD technology is a key focus. The pipe belt conveyor system requires 1,819.11 kW motor power. A dual-drive at the head and single-drive at the tail are used, each rated at 630 kW. Three 630 kW high-voltage VFDs are selected with droop control technology. They operate in closed-loop speed control mode for synchronization and torque balance.
03
Material Size Preprocessing Method
The material size for the pipe belt conveyor should be one-third of the pipe diameter. For this project, the pipe diameter is 600 mm, so the material size should be within 200 mm. However, the wharf unloader's hopper grid size is 300 × 300 mm. A roller screen and a ring hammer crusher are added between the wharf conveyor and the pipe belt conveyor to meet the size requirements. An adjustable baffle at the coal inlet of the roller screen ensures safe operation.
04
Advantages Of Port Long-Distance Pipe Belt Conveyor Systems
Complex Terrain & Long-Distance Transport
Ideal for pithead power plants to transport coal over rugged terrain and dispose of ash/slag post-power generation.
Eco-Friendly Conveying Solutions
Suitable for environmentally sensitive in-plant or port systems, minimizing pollution and enhancing operational conditions.
Adaptive Retrofitting for Legacy Plants
Tubular belt conveyors overcome layout constraints in retrofitting older facilities with complex existing structures. Their adoption will elevate bulk material handling technology standards.
Summary Of Port Long-Distance Pipe Belt Conveyor System
As a critical component of coal handling systems, the pipe belt conveyor ensures reliable, eco-friendly, and cost-effective fuel delivery. This project's success-praised by stakeholders-demonstrates its viability for long-distance riverine applications and sets a benchmark for future bulk material handling projects.
Supplier Of Long-Distance Pipe Belt Conveyor System
According to the different needs of customers, Hebei Juxin provides customized services for Long-Distance Pipe Belt Conveyor, including power standards, belt width, length of the entire conveyor belt and so on.