How a Large Inclination belt conveyor Works

A Large Inclination Belt Conveyor increases the friction between the material and the belt surface by applying additional pressure or increasing the contact surface area. This is typically achieved through the use of cleated belts, chevron patterns, or sidewall belts with corrugated edges. These design features prevent material from sliding backward during steep-angle transport, allowing the system to operate efficiently at inclines up to 30°.

The conveyor can be flexibly arranged according to production line requirements, with length customized based on site conditions. It overlaps with various crushing, screening, feeding, stacking, and reclaiming equipment on the production line, serving as a key link in continuous material handling systems.

System Configuration

1 Tail pulley & frame  |  2 Guide chute  |  3 Rain Cover/Dust cover  |  4 Middle rack stringer  |  5 Outrigger
6 Tensioning device  |  7 Belt  |  8 Idler  |  9 Head pulley & frame  |  10 Hopper  |  11 Drive system

Technical Reference Data

Typical industry reference values — actual specifications vary by application and material characteristics.

Parameter	Range / Options	Notes
Belt Width	800 / 914(36") / 1000 / 1200 / 1400 / 1600 mm	Custom widths available upon request
Conveyor Length	5 km – 30 km (per single flight)	Longer systems require booster drives
Inclination Angle	-30° to +30°	For standard belt types; special designs up to 60°
Capacity	100 – 15,000 m³/h	Depends on belt speed, width, and material density
Belt Speed	0.6 – 4.5 m/s	Lower speeds for steep inclines
Max Particle Size	≤ 300 mm	For larger lumps, use wider or slower belts
Pulley Diameter	400 – 1800 mm	Larger diameters for higher tension belts
Idler Diameter	89 – 219 mm	Heavy-duty rollers for long-distance systems
Belt Type Options	Chevron / Cleated / Sidewall / Corrugated edge	Selected based on angle and material
Standards Compliance	DTIIA, TD75, CEMA, DIN, ISO	Customizable per project requirement

Key Advantages

1. Space-saving design
By conveying materials at steep angles, the large inclination belt conveyor significantly reduces the horizontal length required compared to traditional conveyors, making it ideal for confined plant layouts.

2. Cost efficiency
Mechanized conveying reduces project investment costs by approximately 20% to 40% compared to combined systems using horizontal conveyors and bucket elevators.

3. High standardization
Simple structure, easy maintenance, and reliable operation. Components are interchangeable with standard conveyor systems.

4. Versatile material handling
Suitable for a wide range of bulk materials including coal, ore, limestone, aggregates, and cement.

5. Flexible layout
Can be arranged in various configurations — straight, curved, or combined with other equipment — to match production line requirements.

6. Long service life
High-strength belt construction and durable components ensure extended operational life with proper maintenance.

Optional Safety Components

Belt Sway Switch
Detects belt deviation and triggers an alarm or system shutdown. Installed in pairs to prevent edge damage and safety hazards.

Pull Cord Switch
Emergency stop device activated by pulling a wire rope. Arranged along the entire conveyor length — available in single-sided or double-sided configurations.

Zero Speed Switch
Monitors belt or drum speed to detect slippage caused by overload, insufficient tension, or worn drive roller lagging.

Project References

Case 1: Inner Mongolia MengXi Group Cement Plant (2013)

Material: Limestone  | Capacity: 2,200 t/h  | Belt length: 4,650 m  | Belt width: 1,400 mm

Case 2: HuaXia JianLong Group, Hebei (2014)

Capacity: 2,600 t/h  | Belt length: 2,300 m + 780 m  | Curve angle: 45°  | Radius of curvature: 500 m

Case 3: Chengde Iron Ore Project (2018)

Material: Iron ore  | Condition: Undulating mountainous terrain  | Conveyor length: 3,300 m  | Belt width: 1,400 mm
Handling capacity: 2,000 t/h  | Solution: Long-distance curved overland conveyor with 3 horizontal curves (radius 1,200 m), 4 × 63 kW motors, ST3150/1400 steel cord belt, lifting height 140 m

About the Manufacturer

ZOOMRY has been engineering bulk material handling solutions since 2002, with a 40,000m² production facility and ISO 9001/14001-certified quality systems. The company's product range includes belt conveyors, long-distance curved conveyors, large inclination conveyors, stackers, ship loaders/unloaders, and related components. Export markets include Europe, the Americas, Southeast Asia, and South Africa.

After-Sales Support

• Installation guide and on-site technical support
• Complete drawings and instruction manuals
• On-site guidance by dispatched engineers
• 2-year warranty on the machine; 50,000-hour warranty on rollers

Frequently Asked Questions About Large Inclination Belt Conveyors

What is the maximum inclination angle for a large inclination belt conveyor?

For standard belt types with chevron or cleated patterns, the maximum operating angle is typically 30°. For special designs using corrugated sidewalls or pocket belts, angles up to 60° can be achieved. The actual angle depends on material characteristics such as particle size, moisture content, and flowability.

What types of belts are used for steep-angle conveying?

Common options include: (1) chevron belts with raised V-shaped patterns, (2) cleated belts with vertical barriers, (3) sidewall belts with corrugated edges and cleats, and (4) pocket belts for extreme angles. The selection depends on the angle, material properties, and capacity requirements.

How does a large inclination conveyor prevent material from sliding back?

The belt surface features specialized patterns (chevron, cleats, or sidewalls) that increase friction and create physical barriers. Additionally, the belt tension and idler spacing are optimized to maintain proper contact pressure between the material and the belt, preventing backward sliding during steep-angle transport.

What is the typical capacity range for a large inclination belt conveyor?

Capacities range from 100 m³/h to 15,000 m³/h, depending on belt width, speed, and material density. For example, a 1,400 mm belt operating at 2.5 m/s can handle approximately 2,000–3,000 t/h of crushed ore or limestone.

Can a large inclination conveyor be combined with curves?

Yes. As shown in project references, large inclination conveyors can incorporate horizontal curves (e.g., 500 m radius) to follow terrain and avoid obstacles while maintaining steep inclines. Multiple curved sections can be combined in a single conveyor flight.

What maintenance does a large inclination belt conveyor require?

Routine maintenance includes: inspecting belt surface wear (especially cleats/chevron), checking idler and pulley bearings, monitoring belt tension and tracking, and verifying safety switch functionality. The 2-year warranty and 50,000-hour roller warranty provided by ZOOMRY reflect the durability of these components.

Video: Large Inclination Belt Conveyor in Operation

On-Site Vulcanizing Service

For long-distance or heavy-duty large inclination conveyor installations, on-site belt vulcanizing is often required to ensure a seamless, durable splice. ZOOMRY supplies vulcanizing machines and offers on-site technical support. See our Conveyor Belt vulcanizing page for a detailed step-by-step guide.