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Help CenterMulti-stage Industrial Drying System for Heavy Metal Concentrates and Tailings
Product Spotlights
2.Low damage to root systems
3.Adjustable screen aperture
4.Large continuous processing capacity
5.Anti-clogging rotary design
6.Durable wear-resistant steel
7.Easy to clean and maintain
8.Stable low-noise operation
9.Compact space-saving structure
10.Wide adaptability for various soils
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1. Product Description
The multi-stage industrial drying system for heavy metal concentrates and tailings is a customized continuous drying solution designed for heavy metal concentrates, mineral tailings and high-density metal-containing mineral materials. The system adopts multi-stage series drying layout, which is composed of feeding equipment, pre-drying unit, main drying section, waste heat recovery assembly, exhaust gas purification device and automatic control platform. Targeting the characteristics of heavy metal materials such as high density, easy sedimentation and possible harmful dust, the system achieves gradual dehydration through staged temperature control. It can stably adjust the final moisture of materials to meet the requirements of smelting, briquetting, stockpiling and transportation. It is widely used in non-ferrous metal concentrators, metallurgical processing plants and tailings resource utilization projects.
2. Working Principle
Wet heavy metal concentrates or tailings are delivered to the first-stage pre-drying unit. Low-temperature hot air removes free surface moisture to avoid material caking in the subsequent process. Materials then enter the main drying stage for deep dehydration with controlled high-temperature airflow. Gradual heat exchange prevents local overheating and material dusting. Water vapor and dust-laden waste gas generated in each stage are collected in a closed pipeline. Part of the waste heat is recycled into the front drying section to reduce energy consumption. Exhaust gas is sent to the dust removal and purification system before discharge. Materials reaching the qualified moisture standard are discharged sequentially, and unqualified materials can be circulated back for secondary drying. The whole system runs under negative pressure to prevent heavy metal dust leakage.
3. Core Features
Multi-stage staged drying process, realizing gradual dehydration and avoiding sharp temperature impact on materials.
Suitable for heavy metal concentrates and various tailings with high density and easy settlement.
Built-in waste heat recovery loop, effectively reducing overall energy consumption and operation cost.
Closed negative pressure circulating design, effectively preventing heavy metal dust overflow and meeting environmental protection standards.
Independent temperature and airflow adjustment for each drying stage, realizing precise moisture control.
Circulating re-drying function for under-dried materials, ensuring stable finished product quality.
Modular structure, easy to expand production capacity and match different upstream mineral processing lines.
4.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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