Coal enters through a suitable hopper, feeder, or transfer arrangement. Stable and reasonably uniform feeding helps maintain consistent belt forming.

After loading, forming idlers progressively close the belt around the coal until the required tubular profile is established.

The coal travels inside the closed belt while the idler arrangement supports and maintains the tubular shape.

Where the route and conveyor design permit, the system can incorporate suitable horizontal or vertical curves. This can provide additional routing options around roads, buildings, waterways, existing equipment, or restricted areas.

Before the receiving point, the belt gradually opens to an open profile and the coal is discharged to the next conveyor, stockpile system, bunker, crusher, or other equipment.

The tubular belt surrounds the coal during the main conveying route, helping contain material and reduce direct exposure to the surrounding environment.

Because coal is enclosed rather than carried on an open surface, normal side spillage can be reduced along the tubular section.

The enclosed route limits direct wind exposure and can help reduce material release along the main conveying section. Loading, transfer, and discharge points may still require separate dust-control measures.

A tubular conveyor can be engineered for suitable horizontal and vertical curves, providing additional routing options where a conventional straight conveyor is difficult to install.

Tubular belt conveyor systems can be designed for long conveying routes and high throughput. The appropriate capacity, pipe diameter, belt speed, belt strength, and drive arrangement depend on the complete project conditions.

Important information includes coal type, bulk density, moisture content, particle size, maximum lump size, abrasiveness, and temperature.

These properties influence the loading arrangement, conveying cross section, belt selection, and operating conditions.

Capacity is normally specified in tonnes per hour.

Required throughput is a major input for determining pipe diameter and belt speed. Normal and peak requirements should be considered where applicable.

The complete conveying route should include horizontal length and elevation changes.

Long routes and significant lifting requirements can increase belt tension and drive power, so they should be included in the preliminary design.

The design should consider roads, buildings, waterways, existing structures, loading points, discharge points, and available installation space.

This is especially important when the project depends on the route flexibility of a tubular conveyor.

Pipe diameter and belt speed should be selected together with capacity, bulk density, maximum lump size, and loading conditions.

The final combination should be established through project calculations rather than a generic specification.

Once the capacity and route are established, the required belt strength, belt tension, drive power, pulleys, idlers, and tensioning equipment can be determined.

For transporting raw coal from receiving areas to stockpiles, preparation plants, transfer stations, or other processing sections.

For conveying coal between processing and storage areas where controlled material handling and containment are important.

For connecting receiving points, stockpiles, and downstream equipment while keeping coal enclosed along the main route.

For outdoor coal handling where reducing material exposure and normal spillage is important.

For conveying coal between receiving, storage, transfer, and fuel handling areas, particularly where route restrictions or containment requirements exist.