Enclosed Tube Belt Conveyor Systems For Curved Dust Free Bulk Material Transport

Enclosed Tube Belt Conveyor System for Curved Dust Free Bulk Material Transport

The enclosed tube belt conveyor is an innovative solution for clean, flexible, and space-saving bulk material handling. Unlike traditional flat belt systems, this system uses a circular pipe belt formed by hexagonal idlers to achieve fully enclosed, curved, and bidirectional conveying.

Ideal for industries like mining, cement, power plants, steel, ports, grain handling, salt, and paper mills, it reduces environmental impact, improves safety, and eliminates transfer points — delivering efficiency and performance in complex layouts.

key Features

1. Fully Enclosed Conveying
Protects materials from wind, rain, dust, and contamination. No spillage or pollution, supporting green and sustainable operations.

2. Curved and Flexible Path Design
Supports horizontal and vertical curves, eliminating the need for transfer stations. Easily bypasses buildings, rivers, roads, and obstacles.

3. Steep Inclination Capability
Transports materials at slopes up to 30% steeper than flat conveyors — perfect for uphill or vertical elevation challenges.

4. Bi-Directional Transport
Upper and lower belt sections can carry materials simultaneously in opposite directions with special feeders, increasing efficiency.

5. No Belt Misalignment
The circular tube structure keeps the belt in position, minimizing wear and reducing downtime from deviation or tracking failures.

6. Eco-Friendly and Cost Saving
No need for external covers or galleries, lowering installation and civil engineering costs while reducing the conveyor’s footprint.

Working Principle

This system uses frictional drive principles like traditional conveyors but forms the belt into a circular tube shape via hexagonal idler sets. Material is enclosed inside the pipe, conveyed along horizontal and vertical curves, and discharged through precision feeders. The return section is also enclosed, ensuring a clean and efficient cycle.

Applications

• Mining: Ore and coal transport over uneven terrain

• Cement & Power: Safe handling of clinker, ash, and fuel

• Port Terminals: Grain, fertilizer, salt, and chemical powders

• Steel Mills: Conveying materials without loss or contamination

• Paper and Food Plants: Eco-safe movement of raw materials

Table 1: Corresponding Pipe Diameter, Cross-Sectional Area, and Filling Rate

Table 2: Reference Capacities and Speed-to-Capacity Conversion Table (Based on Filling Rate of 75%)

Company Profile

Sichuan Xinghe Yongchen Machinery Equipment Co., Ltd. is located in Zigong, a regional central city in southern Sichuan and a key southern hub within the Chengdu-Chongqing Economic Circle. The company traces its origins to 1992 with the establishment of the Rong County Hongguang Conveying Machinery Factory in Sichuan Province. Through persistent dedication, the company underwent a pivotal transformation in 2006, rebranding as Sichuan Zigong Hongguang Conveying Machinery Manufacturing Co., Ltd., and expanded into an integrated structure comprising one main factory, two branches, and five overseas offices. Renowned for superior product quality and performance, its equipment gained widespread acclaim across domestic markets and in Asian and African countries. In 2021, following a merger and reorganization, the company was officially renamed Sichuan Xinghe Yongchen Machinery Equipment Co., Ltd., marking a new chapter in its development.

The company has a registered capital of 25.1 million yuan, occupies an area of 73,000 m², and employs 216 staff members, including 35 engineers and technicians. Its facilities include metalworking, plate welding, assembly, and painting workshops, supported by functional departments such as administration, finance, sales, supply, production, technology, quality inspection, and after-sales services. As a specialized manufacturer of mining system equipment, the company integrates research and development, design, production, and sales into its operations.

The company primarily produces conveying equipment, including general belt conveyors, mining belt conveyors, tubular belt conveyors, curved belt conveyors, bucket elevators, screw conveyors, plate feeders, chain conveyors, and buried scraper conveyors. Additionally, it provides complete crushing and screening systems tailored for mining operations. These products serve industries such as power generation, steel, coal, transportation, water conservancy, chemicals, metallurgy, petroleum, and building materials, with an annual production capacity valued at 300 million yuan.

The company has obtained certifications under the GB/T19001:2016 and ISO 9001:2015 quality management systems and is a member of the China Heavy Machinery Industry Association. It holds multiple utility model patents and has been recognized with honors including the “2022 Zigong Advanced Collective in Industrial Reconstruction”, “Sichuan Sci-tech SMEs”, “Sichuan Innovative SMEs”, and “Sichuan Specialized,Refined, Characteristic, and Innovative Enterprises”.

Since its establishment, the company has adhered to the quality policy of “Quality First, Technology Leadership, Premium Service, Striving for Excellence,” fostering long-term trusted partnerships with clients. Moving forward, Xinghe Yongchen Machinery will continue to pursue innovation-driven growth, resource synergy, and sustainable development. By leveraging national initiatives to upgrade traditional industries and nurture emerging sectors, the company aims to strengthen core competencies, harness new growth drivers, and evolve into a modern mining system equipment manufacturer that embodies contemporary advancements.