Pipe Belt Conveyor Enclosed Dust-Free Bulk Material Handling for
Mining & Cement
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
| Pipe Diameter (mm) | 100 | 150 | 200 | 250 | 300 | 350 | 400 | 400 | 600 | 700 | 850 |
|---|
| Inner Diameter (mm) | 400 | 600 | 780 | 1000 | 1150 | 1350 | 1530 | 1530 | 2300 | 2650 | 3150 |
| Flow Area 100% (m²) | | 178 | 313 | 529 | 637 | 903 | 1.466 | 1.466 | 2.908 | 3.789 | 5.442 |
| Flow Area 75% (m²) | | 133 | 234 | 397 | 477 | 677 | 1.099 | 1.099 | 2.181 | 2.842 | 4.081 |
| Maximum Particle Size (mm) | 30 | 30–50 | 50–70 | 70–90 | 90–100 | 100–120 | 120–150 | 120–150 | 200–250 | 250–300 | 300–400 |
| Suitable Conveyor Belt Width (mm) | 300–450 | 450–600 | 500–600 | 600–750 | 750–900 | 900–1050 | 1050–1200 | 1050–1200 | 1500–1800 | 1800–2000 | 2000–2400 |
Table 2: Reference Capacities and Speed-to-Capacity Conversion
Table (Based on Filling Rate of 75%)
| Pipe Diameter D/mm Flow Velocity v/m/s | 100 | 150 | 200 | 250 | 300 | 350 | 400 | 400 | 600 | 700 | 850 |
|---|
| 0.8 | 17 | 37 | 66 | 118 | 138 | | | | | | |
| 1.0 | 21 | 47 | 83 | 148 | 173 | 238 | | | | | |
| 1.25 | 26 | 59 | 104 | 185 | 216 | 297 | 482 | 688 | | | |
| 1.6 | 33 | 75 | 132 | 232 | 276 | 380 | 616 | 881 | 1238 | 1616 | 2327 |
| 2.0 | 42 | 94 | 166 | 296 | 346 | 472 | 770 | 1100 | 1548 | 2022 | 2909 |
| 2.5 | | | 208 | 370 | 432 | 594 | 964 | 1376 | 1935 | 2528 | 3636 |
| 3.15 | | | | 460 | 543 | 748 | 1213 | 1734 | 2438 | 3185 | 4581 |
| 4 | | | | | | 950 | 1540 | 2200 | 3096 | 4044 | 5818 |
| 5 | | | | | | | 1928 | 2750 | 3870 | 5056 | 7212 |
Company Profile
Sichuan Xinghe Yongchen Machinery Equipment Co., Ltd. is located in
Zigong, Sichuan, a key city in the Chengdu-Chongqing Economic
Circle. Originating from the Rong County Hongguang Conveying
Machinery Factory founded in 1992, the company restructured in 2006
into Sichuan Zigong Hongguang Conveying Machinery Manufacturing
Co., Ltd., and officially renamed itself in 2021 after a merger,
entering a new phase of development.
With a registered capital of 25.1 million yuan and a 73,000 m²
facility, the company employs 216 staff, including 35 engineers and
technicians. It integrates R&D, design, production, and sales,
specializing in mining machinery and complete system solutions.
Main products include general and mining belt conveyors, tubular
and curved conveyors, bucket elevators, screw conveyors, apron
feeders, chain conveyors, buried scraper conveyors, and crushing
and screening systems.
These products are widely used in industries such as power, coal,
metallurgy, construction, chemicals, and transportation, with an
annual output value of 1 billion yuan. The company is ISO 9001:2015
and GB/T19001:2016 certified, holds multiple patents, and is a
member of the China Heavy Machinery Industry Association. It has
received honors including “Sichuan Innovative SME" and “Zigong
Advanced Collective in Industrial Reconstruction 2022."
Guided by its core values—“Quality First, Technology Leadership,
Premium Service, and Pursuit of Excellence"—the company is
committed to building long-term partnerships and driving
innovation-led, sustainable growth. With a focus on upgrading
traditional industries and embracing new technologies, Xinghe
Yongchen is striving to become a modern, high-tech manufacturer in
the mining equipment sector.
Factory Display
