Today, let's talk about dryers. There are various types of dryers, including drum dryers, tray dryers, thermal oil dryers, airflow dryers, and tower dryers. In the biomass pellet industry, drum dryers are commonly used, with two main types: single drum dryers and triple pass drum dryers. Here, we will mainly introduce the single drum dryer. Currently, it has two types of internal structures: cascading and spiral.

Now let's discuss its advantages:

1. Simple structure: The single drum dryer has a relatively simple structure, without complex transmission and control systems, making it easy to repair and maintain.

2. Low cost: Compared to other types of dryers, the single drum dryer has lower manufacturing costs, making it suitable for small production sites or users with limited budgets.

3. Easy operation: The operation of the single drum dryer is relatively simple, only requiring the setting of drying time and temperature, without complicated steps.

4. Good drying effect: The single drum dryer adopts direct heating, with high heat transfer efficiency, allowing for quick drying of materials and achieving good drying results.

5. Wide applicability: The single drum dryer is suitable for drying various materials, including powders, granules, and block materials.

6. Environmentally friendly and energy-saving: The single drum dryer utilizes an efficient heat energy utilization system, minimizing energy consumption and environmental pollution.

Of course, nothing is perfect, and here we will not discuss its shortcomings. In the biomass pellet industry, drum dryers have become the preferred choice.