Applied Materials:
sawdust, wood chips, wood shavings, clay, limestone, ardealite, dry-mixed mortar, grain slag, coal slime, ore powder, etc. in construction materials, metallurgy, chemical and other industries.
A sawdust dryer is a type of rotary dryer that is specifically designed for drying sawdust, wood chips, straw, and charcoal. It is known for its high drying intensity, short drying time, large production capacity, high efficiency, compact size, and ease of operation and maintenance. It is also referred to as a sawdust drying machine or a sawdust rotary dryer. There are two main types of sawdust dryer machines: airflow sawdust dryer and three-channel dryer, with the latter being commonly used in the sawdust drying process.
Sawdust Dryer Ready For Shipment
A sawdust rotary dryer has various applications in different industries. Some of the common applications include:
Fuel processing: Dried sawdust can be used as a key raw material in the fuel industry. It is often briquetted and used in heating supply systems, power plants, and other biomass energy projects.
Furniture industry: Sawdust dryer machines are used to dry wet sawdust to a certain humidity level, which is essential for the production of shaving boards, plywood, and other wood-based panels used in the furniture industry.
Paper making industry: Dried sawdust can be used as a raw material in the papermaking process. It can be mixed with other fibers to produce paper and cardboard.
Edible fungus cultivation: Sawdust with the optimal moisture content can be used for cultivating edible mushrooms such as oyster mushrooms, shiitake mushrooms, and agaric mushrooms.
These are just a few examples of the applications of sawdust rotary dryers. The versatility of the machine allows it to be used in various other industries where drying of sawdust or similar materials is required.
Examples of Sawdust Dryer Application
The structure of a sawdust dryer includes a heating furnace, inlet, rotating cylinder, filtering cylinder, conveying pipe, cooling tube, and outlet.
Here are the benefits and advantages of a sawdust dryer:
Small occupied area and easy construction: The sawdust dryer has a compact design, which means it takes up less space. It is also relatively easy to install and maintain.
Low drying cost: The sawdust dryer is designed to efficiently dry the material, resulting in lower energy consumption and cost compared to other drying methods.
Highly dispersed material: The airflow in the dryer disperses the sawdust particles, resulting in increased contact with the hot air and faster drying.
Strong drying strength and short drying time: The high-speed rotating cylinder provides strong drying strength, which leads to a shorter drying time for the sawdust.
High processing capacity and thermal efficiency: The sawdust dryer has a large processing capacity and high thermal efficiency. The heat efficiency can reach up to 60%, which ensures optimal drying performance.
Wide scope of applications: The operating parameters of the sawdust dryer can be adjusted according to the specific requirements of different customers and different materials.
Long service life: The cylinder of the sawdust dryer rolls stably during operation, which helps reduce wear and extends the service life of the equipment.
Overall, the sawdust dryer offers efficient and effective drying of sawdust, with advantages such as low cost, high processing capacity, and a wide range of applications. Its compact design and long service life make it a reliable choice for various industries.
The working principle of a sawdust dryer can be summarized as follows:
The sawdust is fed into the rotating cylinder of the dryer.
Inside the rotating cylinder, the sawdust is exposed to hot air. The hot air heats the sawdust and evaporates the moisture present in it.
As the sawdust rotates within the cylinder, it undergoes a tumbling motion. This tumbling motion helps to disperse the sawdust and ensure that each particle comes into contact with the hot air, facilitating faster evaporation.
After the drying process in the cylinder, the dried sawdust is then fed into the material conveying pipe, where it is further dispersed. This additional dispersion helps to increase the surface area of the sawdust and promotes faster drying.
During the drying process, the hot air and the sawdust fully contact and interact with each other. This allows for efficient heat transfer and completes the drying process.
By following these steps, the sawdust dryer achieves effective and rapid drying of the sawdust, resulting in a significant reduction in moisture content.
Sawdust Dryer Structure and Process
To improve the efficiency of Zoneding sawdust dryer machine, the following tips can be implemented:
Replacement of Conveying Blades: The spiral conveying blades at the feeding end can be replaced with 6mm steel triangular stiffened plates. This modification helps to lower the sawdust speed in the high-temperature zone, maximizing heat utilization and improving efficiency.
Installation of Central X-Shaped Lifting Blades: By incorporating central X-shaped lifting blades, the residence time of the material inside the dryer can be prolonged. This leads to improved heat transformation and more efficient drying.
Adjusting the Angle of the Feeding Tube: The angle of the feeding tube can be changed to optimize efficiency. While ensuring the feeding efficiency is not impacted, the blanking cylinder can be lifted as much as possible. It should be ensured that the top of the lifted tube does not touch the material retaining ring. Additionally, the length of the tube inside the cylinder should not be excessive, and the material should fall within 200mm of the retaining ring. This configuration creates a material screen and enhances heat transformation.
By implementing these tips, Zoneding sawdust dryer machine can achieve increased efficiency in terms of heat utilization, residence time, and heat transformation, leading to improved overall performance.
Sawdust Dryer Customer Site
Sawdust Dryer Manufacturer
Zoneding Machine, established in 1982, is a reputable manufacturer of machinery, including sawdust dryers. They have a long history in the machinery manufacturing industry and have been committed to green industry and internationalization. Over the years, Zoneding has incorporated advanced technologies from countries like Germany, Japan, and the United States.
Zoneding’s sawdust drying technology is reliable and trustworthy. They offer various models of sawdust dryers for sale, catering to the needs of large, small, and medium-sized enterprises. Customers can access professionals online for assistance, including customized solutions, flow charts, and quotations for sawdust dryers.
Zoneding’s expertise in the field and their range of quality products make them a reputable choice for those in need of a sawdust dryer.
General Specification
Spec./m (Dia.×Length)
Shell Cubage (m³)
Capacity (t/h)
Installation Obliquity (%)
Highest Inlet Air Temperature (℃)
Main Motor (kw)
Weight (t)
Φ1.2×8.0
9.0
1.9~2.4
3~5
700~800
7.5
9
Φ1.2×10
11.3
2.4~3.0
3~5
700~800
7.5
11
Φ1.5×12
21.2
4.5~5.7
3~5
700~800
15
18.5
Φ1.5×14
24.7
5.3~6.6
3~5
700~800
15
19.7
Φ1.5×15
26.5
5.7~7.1
3~5
700~800
15
20.5
Φ1.8×12
30.5
6.5~8.1
3~5
700~800
18.5
21.5
Φ1.8×14
35.6
7.6~9.5
3~5
700~800
18.5
23
Φ2.2×12
45.6
9.7~12.2
3~5
700~800
22
33.5
Φ2.2×14
53.2
11.4~14.2
3~5
700~800
22
36
Φ2.2×16
60.8
13.0~16.2
3~5
700~800
22
38
Φ2.4×14
63.3
13.5~16.9
3~5
700~800
37
45
Φ2.4×18
81.4
17.4~21.7
3~5
700~800
37
49
Φ2.4×20
90.4
19.3~24.1
3~5
700~800
45
54
Φ2.4×22
99.5
21.2~26.5
3~5
700~800
45
58
Φ2.6×24
127.4
27.2~34.0
3~5
700~800
55
73
Φ3.0×20
141.3
30.1~37.7
3~5
700~800
75
85
Φ3.0×25
176.6
37.7~47.1
3~5
700~800
75
95
Φ3.2×25
201
42.9~53.6
3~5
700~800
90
110
Φ3.6×28
285
60.8~76.0
3~5
700~800
160
135
Technical parameters of indirect heat dryer:
Shell diameter ×shell Length Items
Inside diameter of outer shell (mm)
Inside diameter of inner shell (mm)
Shell Length (m)
Shell cubage (m³)
Shell obliquity
Lifting blade form
Highest inlet air temperature (℃)
Dimensions (m)
Φ1.5×15m
1500
500
15
20.27
3-5%
Lifting form
850
16.2×2.7×2.7
Φ1.5×17m
17
22.97
18.2×2.7×2.7
Φ1.5×19m
19
25.68
20.0×2.9×2.9
Φ1.8×21m
1800
650
21
35.91
3-5%
Lifting form
850
22.5×2.7×2.7
Φ1.8×23m
23
39.33
24.5×2.9×2.9
Φ1.8×25m
25
42.75
26.5×2.9×2.9
Φ2.2×21m
2200
800
21
58.10
3-5%
Lifting form
850
—-
Φ2.2×23m
23
63.61
Φ2.2×25m
25
69.15
Please note that the information provided about Zoneding Machine and their sawdust dryers is subject to change as technology improves. Zoneding reserves the right to make changes without prior notice. The performance of the machine may vary depending on the specific application. For more detailed and up-to-date information, it is recommended to chat online with Zoneding engineers who can provide specific details and guidance based on your requirements.
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