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Coal Conveyors

In the coal industry (coal mining, coal washing and processing, coal storage and transportation), the conveyance of bulk materials (raw coal, cleaned coal, middlings, gangue) faces challenges such as "adhesion and clogging, dust pollution, long-distance and high-load requirements, and multi-scenario adaptation". Relying on core equipment including long-distance belt conveyors, pipe belt conveyors, radial telescopic stackers, and truck unloaders, as well as independently developed components like high-wear-resistant idlers, anti-corrosion rollers, and polyurethane cleaning scrapers, Zoomry Heavy Industry creates customized conveying solutions for the coal industry featuring "anti-adhesion & anti-clogging + sealing + high-load resistance".

Onsite support from Zoomry’s
engineering experts

Zoomry experts provide on-site equipment installation, usage guidance, and commissioning. If uncontrollable factors like ground conditions arise, they deliver solutions promptly. For later troubleshooting and maintenance, they also respond efficiently, fully boosting on-site efficiency. Choose Zoomry as your on-site innovation partner to ensure seamless operations and minimize interruptions.

Application Solutions for Segmented Scenarios
in the Coal Industry
Main Equipment
Compact belt conveyors: Belt width 1000-1400mm, speed 2.0-2.5 m/s; anti-corrosion coating (adapts to humid, dusty shaft environments).
Ultra-low receiving hopper (at equipment tail): Height matches underground scraper conveyor unloading; hopper inner wall lined with PTFE liners (reduces raw coal adhesion rate).
Cleaning system: 1 set of PU scrapers (at both head and tail) + 1 set of brush cleaners (removes raw coal adhering to belt surface in real time).
Component Assurance
Idlers:HDPE material, rotational resistance ≤2N (better than GB standard’s ≤3N) — maintains low-resistance operation even with raw coal adhesion.
Conveyor belt:Tear-resistant polyester canvas with anti-slip, wear-resistant surface (withstands small gangue impact).
Safety switches:Equipped with belt deviation switches and pull cord switches — immediate shutdown for adjustment if belt deviates or clogs, ensuring shaft operation safety.
Advantages
  • Enables 24/7 continuous conveyance in coal mine shafts (monthly downtime ≤1.5h).
  • Clogging rate from raw coal adhesion drops from 8% (traditional equipment) to 0.5%.
  • Conveying efficiency 30% higher than industry peers, effectively reducing shaft production waiting time.
Main Equipment Collaboration
Cleaned coal conveyance: Pipe belt conveyors (max turning angle 110°, exceeding ordinary conveyors’ 70°) — flexibly bypass workshop equipment without extra transfer platforms, reducing space occupation. Belt folded into tubular structure for 100% sealed conveyance; non-powered dust-collecting chutes at discharge ends (workshop dust concentration ≤5mg/m³, complying with EU environmental standards).
Middlings/gangue transfer: Truck unloaders (models ZRLS-TU1400/ZRLS-TU1800, capacity 200-1800 tph) — equipped with 2-4 lane unloading ramps, supporting simultaneous unloading of multiple transport vehicles.
Environmental & Classification Design
Cleaned coal equipment: Pipe belt conveyor body made of 304 stainless steel (or customized anti-corrosion coating) — prevents cleaned coal caking from moisture.
Gangue conveyance:15mm thick wear-resistant alloy liners on chute inner walls (resists gangue impact wear, service life >8 years).
Application Advantages
  • Enables coal washing plants to realize "sealed cleaned coal conveyance + efficient gangue transfer" simultaneously.
  • Cleaned coal dust loss rate drops from 5% (traditional equipment) to 0.8%.
  • Middlings/gangue transfer efficiency increases by 40%; maintenance cost reduces by 25% vs. industry peers.
  • Meets coal washing plants’ dual needs for environmental protection and production.
Main Equipment Configuration
ZR-SF Series Radial Telescopic Stackers: 360° radial rotation, max boom telescoping length 20m, luffing adjustment (-15° to +25°); windrow stockpiling reduces coal segregation/breakage, with stockpiling capacity 28%+ higher than traditional fixed-length conveyors.
Long-distance belt conveyors: Belt width 1400-2000mm, conveying capacity 1000-2000 tph; transfer stored coal to outward transportation wharves or railway platforms.
Component Assurance
Stacker idlers:IP65 sealed double-row self-aligning spherical roller bearings (adapt to dusty coal yard environments).
Rollers: 40Cr forged material (diameter ≥159mm, suitable for wide belts), with ultrasonic flaw detection and stress tempering; load-bearing capacity 25% higher than ordinary rollers (withstands large-flow coal impact).
Application Advantages
  • Enables seamless connection of "rapid stockpiling + efficient transfer" for coal yards.
  • Stockpiling efficiency 30% higher than traditional equipment; coal stockpiling loss rate drops from 5% to 1.2%.
  • Stacker’s flexible adjustment allows real-time stockpiling position changes per outward transportation rhythm, reducing secondary coal transfer costs.
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Long distance belt conveyor

Long distance belt conveyor

The long-distance belt conveyor is an intelligent conveying system developed for complex terrains and extended transportation needs, employing modular design principles with single-unit conveying distances up to 20 kilometers and minimum horizontal turning radius of 300 meters.

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Get answers to your questions and discover how Zoomry can help you transform your bulk material handling operations with tailored, industry-specific workflows.
ZOOMRY's Service and Support System
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Production Efficiency Improvement

Adapts to scenarios; mine bulk conveying efficiency up 30%-50%, 24/7 operation ensures production continuity and boosts annual output.

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Safety & Environmental Protection

Sealed conveyance + low-noise design meets EU/North America mining standards; reduces dust/noise impact on workers, lowering safety compliance risks.

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Cost Optimization

Independent parts cut procurement cost; long-life parts (idlers/rollers: ≥50,000hrs) lower maintenance — annual conveying cost down 25%-40% vs industry.

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Customized Delivery Service

70% pre-assembled (on-site assembly 10-20 days); engineers adjust parameters for complex layouts to speed commissioning.

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Maintenance Support

1-year free maintenance + lifelong consultation; global spare parts hubs (Europe/Africa/SEA) deliver common parts in 48hrs; remote monitoring predicts faults, reducing unplanned stops.

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Specialized Training

"Theory + practice" training (operation/emergency troubleshooting) reduces losses from human errors.

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