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10 TPH Gold Ore Rotary Dryer — Product Manual
Product Description
Our 10 TPH Gold Ore Rotary Dryer is a high-efficiency, continuous industrial drying system specifically engineered for small-to-medium gold mining and beneficiation enterprises globally. Boasting a single-line processing capacity of 10 tons of wet ore per hour, the system efficiently dries raw gold ore with an initial moisture content of 15% to 30% down to below 2% in a single pass. This precise drying performance fully satisfies the strict moisture thresholds required for downstream crushing, ball milling, flotation, or gravity separation processes.
As a direct Chinese source factory with over 15 years of export experience, we have successfully delivered more than 800 sets of gold ore drying equipment to over 30 countries and regions across Africa, Central Asia, Southeast Asia, South America, and Oceania. We possess a deep, practical understanding of the varied regional requirements regarding voltage compliance, language localization, environmental directives, and logistics infrastructure. Consequently, this equipment is engineered natively to international export standards, fully complying with CE (EU standard) and ISO9001 Quality Management System criteria, and undergoes a comprehensive multi-point inspection protocol prior to shipment to guarantee rapid plug-and-play installation upon arrival.
Build and Control Quality
Premium Structural Engineering: The main shell of the dryer is fabricated from high-strength Q245R heat-resistant boiler steel.
Heavy-Duty Wear Amoring: To counter the severe abrasiveness of quartz gangue frequently associated with gold veins, the drum inner walls and internal lifting flights are cast as single pieces from high-manganese steel (Mn13). Critical high-impact zones are further reinforced with a 95% alumina ceramic tile protective layer, pushing the total wear life past 10,000 operational hours.
Global Thermal Adaptability: The combustion assembly supports interchangeable burners for natural gas, diesel, or liquefied petroleum gas (LPG), giving operators absolute freedom to select the most economical local fuel source.
Smart Automation: The electrical system features a standardized Siemens S7-1200 PLC paired with a 10-inch Weinview touchscreen HMI. The user interface supports instant multi-language switching—including English, Russian, French, Spanish, and Arabic—ensuring barrier-free daily operation worldwide.
Logistics-Optimized Architecture
The entire system features a modular, container-friendly design. Standard configurations can be completely disassembled and packed into a single 40-foot high cube (40HQ) shipping container, drastically lowering international ocean freight costs and simplifying customs clearance for overseas buyers. Standard inventory models ship within 15 days, while custom configurations deliver within 30 to 45 days, with full support for FOB, CIF, and DDP commercial trade terms.
Functional Principle
Wet raw gold ore (15%–30% initial moisture) is introduced uniformly into the slightly inclined rotating drum via a front-end enclosed feeding system (belt conveyor or bucket elevator). The drum is set at a 3° to 5° inclination angle relative to the horizontal plane and rotates slowly at an adjustable speed of 2 to 6 rpm. This geometry leverages the joint forces of gravity and mechanical rotation to smoothly and continuously advance the material from the elevated feed end toward the lower discharge end.
The interior of the drum features multiple sets of lifting flights (also known as shuffling plates) welded along the axial direction, boasting cross-sections optimized via fluid dynamics. As the drum rotates, these flights continuously scoop up the wet gold ore from the bottom and cascade it downward, creating a highly uniform "material curtain" across the entire cross-section of the drum. This maximizes exposure to the hot air, causing free surface water and inter-granular moisture to evaporate rapidly into water vapor.
Counter-Current Thermal Profiling
The high-temperature hot air generated by the burner system (ranging from 200°C to 650°C, adjustable based on specific ore characteristics) is injected from the discharge end, creating a counter-current heat exchange layout where the airflow moves opposite to the material path.
The hottest air first contacts the driest gold ore right before discharge, while the cooler, spent air contacts the incoming high-moisture wet ore.
This step-by-step process ensures the thermal energy differential is utilized to its full potential, pushing comprehensive thermal efficiency to 70% to 75% and drastically reducing fuel consumption.
The humid, spent exhaust gas is drawn out from the feed end and routed through a high-efficiency dual-stage filtration system: a cyclone dust collector first intercepts large particles and coarse ore dust, followed by a pulse baghouse dust collector for secondary fine filtration. This keeps final particulate emission concentrations strictly under 20 mg/m³, fully complying with global environmental mandates such as the EU Industrial Emissions Directive (IED).
The fine dust captured by the collectors is recycled back into the finished product line via a screw conveyor, achieving a total material recovery rate above 99% to prevent valuable gold particulates from escaping with the exhaust stream. The thoroughly dried gold ore is continuously evacuated from the outlet via a sealed star-type rotary discharge valve. To facilitate immediate automated processing or storage, a secondary cooling drum can be integrated. The entire drying cycle occurs under a continuous micro-negative pressure environment, completely preventing dust leaks while protecting the material inside from external ambient contamination.
Product Features
1. Engineered for Gold Processing: Zero Gold Loss Architecture
The single greatest challenge in gold ore drying is preventing micro-fine gold particulates from escaping with the exhaust airflow. Our system completely resolves this through a fully enclosed micro-negative pressure environment paired with a dual-stage cyclone + pulse baghouse filtration setup. By suppressing final particulate emissions to ≤ 20 mg/m³ and routing all captured fines back into the finished product silo via an integrated screw conveyor, we ensure a total material recovery rate above 99%—fundamentally protecting your bottom line. Additionally, the drum inner walls feature high-manganese steel armor combined with smooth-finished ceramic liners to minimize friction and prevent gold particles from embedding into or plating onto the equipment shell.
2. 10 TPH Capacity: Precision Matched for Small-to-Medium Mines
With a single-line processing capacity of 10 tons of wet ore per hour—equivalent to 240 tons per day under continuous 24-hour operation—this configuration is precision-engineered to match the daily throughput requirements of small-to-medium gold beneficiation plants handling 200 to 300 TPD. The system features highly compact dimensions, with a drum diameter of 1.6 meters and a length of 12 meters (fully customizable to your site constraints). It requires a physical footprint of only ~60 square meters, making it ideal for land-restricted mining concessions across Africa and Southeast Asia.
3. Multi-Fuel & Universal Voltage Compatibility
The thermal assembly natively supports interchangeable burner packages for natural gas, diesel, and LPG, allowing operators to pivot based on local fuel availability and market pricing. Furthermore, the electrical control architecture is engineered for universal compatibility, accommodating voltage standards including 220V, 380V, 415V, 440V, and 480V at both 50Hz and 60Hz frequencies. Whether tapping into a 415V three-phase grid in Africa, a 380V grid in Southeast Asia, or a 220V single-phase grid in parts of South America, the line connects directly without requiring costly external step-up/step-down transformers.
4. Multi-Language HMI for Zero-Threshold Operations
The Siemens PLC and 10-inch Weinview touchscreen come pre-programmed in English and feature one-touch language toggles for Russian, French, Spanish, and Arabic. The control logic is highly simplified and automated: operators simply input the target output moisture and temperature, and the PLC independently modulates the drum speed, air volume, and combustion rate without requiring ongoing human intervention. Field operators can be fully trained for independent daily operation in under two hours, significantly lowering your expatriate labor costs.
5. Verified CE & ISO Double Certification
The entire manufacturing sequence is fully certified under CE (EU safety standards) and ISO9001 Quality Management Systems. Every critical structural weld undergoes non-destructive ultrasonic flaw detection (NDT), the drum assembly undergoes high-precision dynamic balancing verification, and every line completes a mandatory factory test run consisting of a minimum 8-hour no-load test followed by a 4-hour full-load test prior to packaging. We supply a comprehensive documentation package for international customs—including commercial invoices, packing lists, certificates of origin, CE certificates, and ISO documentation—to ensure a seamless customs check at your destination port.
6. Single-Containerized Shipping for Simplified Logistics
Thanks to its pre-engineered modular architecture, the system is cleanly broken down into six main functional modules: feeding, drying, discharging, heat source, filtration, and electrical control. Each module is securely crated in heavy-duty export wooden cases and consolidated entirely into a single 40-foot high-cube (40HQ) container. This single-container delivery slashes ocean freight costs, simplifies port handling, and enables local field crews to complete full on-site assembly and commissioning within 7 to 10 days of port arrival. We work closely with leading global freight forwarders to support flexible FOB, CIF, or DDP shipping terms with end-to-end container tracking.
7. Intelligent Temperature Controls to Protect Mineral Phases
Integrated multi-point thermocouples map out real-time thermal distributions across internal drum zones, keeping the material discharge temperature accurate to within ±5°C. Gold-bearing sulfide minerals (such as pyrite and arsenopyrite) are highly sensitive to thermal exposure; excessive heat can trigger premature thermal oxidation or decomposition, which severely damages downstream flotation recovery rates. Our intelligent PLC system allows engineers to configure and lock in strict multi-stage temperature curves, completely preventing localized overheating, protecting the mineral phase matrix, and ensuring your final beneficiation yields remain completely unaffected by the drying process.
8. Quadruple Wear Armor for High-Hardness Quartz Ore
Gold-bearing raw ore frequently features a high concentration of quartz gangue with a Mohs hardness of 7, creating a severe scouring effect on equipment interiors. To counter this abrasive wear, our equipment is built with a heavy-duty, four-stage defensive layout:
Main inner walls lined with high-manganese steel (Mn13) castings.
Internal lifting flights constructed from ZGMn13-4 wear-resistant alloy steel.
Critical high-impact zones reinforced with 95% alumina ceramic liners.
Main supporting riding rings (tyres) treated with premium surface quenching.
This robust architecture extends the machine's operational lifespan by 2 to 3 times compared to conventional carbon steel units. Furthermore, high-impact wear zones utilize a quick-release bolted layout, allowing simple on-site component swap-outs in under 4 hours without requiring welding or specialized field tools.
9. Deep Energy Conservation with Rapid ROI Turnaround
The integration of advanced counter-current thermal profiling pushes comprehensive heat utilization to 70% to 75%. When operating on natural gas, the energy consumption required to evaporate 1 ton of water is compressed to just 70 to 100 m³. Operating at a 10 TPH capacity with an initial moisture drop from 20% down to a final 2%, the system removes roughly 1.8 tons of water per hour, consuming approximately 130 to 180 m³ of natural gas. This ultra-low utility footprint delivers substantial daily operational savings compared to traditional dryers, yielding a complete capital investment payback period typically within 6 to 10 months.
10. Environmental Compliance for Seamless Permitting
The system operates under a continuous micro-negative pressure environment, utilizing flexible mechanical seals at both the inlet and outlet junctions to completely eliminate dust leaks into your facility. Operating in tandem with our dual-stage cyclone + pulse baghouse filtration, final particulate emissions are suppressed ≤ 20 mg/m³, while $\text{SO}_2$ and $\text{NO}_x$ emissions easily clear strict local air quality mandates and the EU Industrial Emissions Directive (IED). We have helped over 200 overseas mining operations successfully clear local environmental impact assessments (EIA) by providing complete technical data sheets and emissions verification reports.
11. 7x24 Global Technical Support with 48-Hour Resolution
Overseas clients receive dedicated 7x24 technical support via WhatsApp, email, and live remote video diagnostic tools. The drying line includes a comprehensive 12-month warranty on the entire machine, alongside an extended 24-month warranty on core powertrain components (reducer and motor). High-chromium liners, tungsten carbide lifting flights, scraper chains, and other common wear parts are kept in stock year-round and ship within 48 hours of an order. We maintain a 2-hour response window for technical inquiries, provide an engineered resolution path within 48 hours, and can dispatch field service engineers to your site within 72 hours for critical field emergencies.
12. Cross-Material Versatility Boosts Asset Utilization
Beyond gold ore, the system’s operational parameters are highly adaptable and fully compatible with copper ore, silver ore, lead-zinc ore, manganese ore, iron ore, and non-metallic aggregates such as river sand and manufactured sand. Switching between materials is highly simplified: operators only need to recalibrate the drum speed, temperature, and airflow parameters via the touchscreen—no core mechanical modifications required. For multi-mineral mining concessions, a single asset satisfies your entire processing footprint, maximizing equipment utilization and accelerating your return on investment.
13. Proven Field Success with Global Mining Leaders
With more than 800 gold ore drying systems actively deployed globally, our client portfolio includes world-class mining operations and major regional producers—including installations near or associated with sites operated by names like Ashanti Goldfields (Ghana), Geita Gold Mine (Tanzania), PT Freeport Indonesia (Indonesia), Kazzinc (Kazakhstan), and Muruntau (Uzbekistan). This extensive project footprint gives our engineering team deep data and parameter insights, ensuring we recommend the exact model configuration your project needs from day one while avoiding common field pitfalls.
Get a Custom Engineering Proposal Within 24 Hours
Please share your initial moisture content, target final moisture, daily capacity requirements, preferred fuel types, and site dimensions. Our engineering team will deliver a comprehensive technical proposal and commercial quotation within 24 hours. Factory direct supply with zero middleman markups—contact us today to schedule your factory visit!
Technical Specifications
| Product Specs (m) | Capacity (T/H) | Main Motor Power (kW) | Main Motor Model | Main Gearbox Model | Ratio |
| φ1.2×10m | 2.5 | 7.5 | Y160M-R3 | ZL50-16-1 | - |
| φ1.5×12m | 3.3 - 4.9 | 10 | Y160L-6B3 | JZQ500-III-2F | - |
| φ1.5×15m | 4 - 6 | 18.5 | Y200L-6 | JZQ500-III-2F | - |
| φ1.8×12m | 4 - 6 | 11 | Y200L-6 | ZQ50-16II-2 | 16.46 |
| φ2.2×12m | 7 - 12 | 18.5 | Y160L-6 | JZQ650-III | 31.5 |
| φ2.2×14m | 7 - 12 | 18.5 | Y160L-6 | JZQ750-III | 31.5 |
| φ2.2×16m | 12 | 30 | Y225M-6 | JZQ750-III | 31.5 |
| φ2.4×14m | 12 | 30 | Y250M-6 | JZQ750-III | 31.5 |
| φ2.4×18m | 10 - 13 | 37 | Y250M-6 | ZL85-13-1 | 27.16 |
| φ2.4×20m | 10 - 14 | 37 | Y250M-6 | ZL85-13-1 | 27.16 |
| φ3×20m | 25 | 55 | Y250M-4 | ZL100-16-1 | 41.52 |
| φ3×25m | 32 - 36 | 75 | YR280M-4 | ZL100-16-1 | 41.52 |
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