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Help CenterThree Pass Rotary Sawdust Dryer Equipment
Product Spotlights
Uniform & Efficient Drying
Energy-Saving Operation
Customizable Size & Speed
Continuous & Automated Process
High-Quality Stainless Steel Construction
Wide Material Adaptability
Long Service Life & Durability
Low Maintenance Requirement
Compact & Robust Design
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Product Overview
The three pass rotary sawdust dryer equipment is a high-efficiency energy-saving industrial drying solution specially designed for sawdust processing scenarios. It adopts a three-layer nested multi-pass drum structure, which can efficiently process raw sawdust with an initial moisture content of 30%-60%, and stably reduce it to the 8%-12% range that meets the strict feed requirements for subsequent wood pelletizing, briquetting and biomass fuel production. It is one of the most widely recognized high-performance drying equipment in the current global biomass processing industry.
Core Structural and Performance Advantages
This series of dryers has prominent technical highlights brought by the three-pass design:
The three-layer nested drum structure greatly reduces the overall floor space, and the built-in multi-loop hot air flow path extends the full heat exchange path of sawdust, making the heat utilization efficiency far higher than that of single-cylinder dryers.
The high-density full-wrapped insulation layer on the outer wall of the drum minimizes the heat loss of the shell, and the unit fuel consumption is reduced by more than 30% compared with traditional single-cylinder models.
The specially designed segmented anti-sticking lifting flights adapt to the different moisture characteristics of sawdust in different drying stages, completely avoiding the common problems of material sticking to the wall and uneven drying.
The integrated compact structure greatly reduces the total installed power of the system, effectively cutting down the long-term operation power cost of the drying plant.
Application Values and System Matching Guidance
This three pass rotary sawdust dryer equipment is very suitable for medium and large wood pellet plants and biomass processing projects that pursue high efficiency, low energy consumption and small floor space. It can help enterprises significantly reduce the comprehensive drying cost of sawdust and improve the economic benefits of the project. When selecting, it is recommended to confirm with the supplier the matching relationship between the three-pass drum specification and your required hourly processing capacity, so as to obtain a customized solution that fully matches your actual production demands.
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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