Applied Materials:
Slurry, raw coal, flotation clean coal, mixing clean coal, kaolin, slag, clay, bentonite, limestone, sand, quartz stone, metal concentrate, waste residue and tailings, etc. in mining, ore beneficiation, construction materials and chemical engineering and so on.
The slurry dryer, also known as a coal slime dryer, is a type of rotary dryer designed specifically for drying various slurry materials. It is commonly used for drying coal slime, sludge, metal and non-metal ores, and clay in the cement industry. The slurry dryer utilizes a unique scattered device to break up the bonded slurry, promoting better contact between the slurry and hot air. This improves the heat utilization rate and effectively reduces the humidity of the slurry by 50-80% during the drying process.
The dried slurry can be directly used, thus transforming waste into a valuable resource. Additionally, the slurry dryer has a considerable production capacity. For instance, a coal slime dryer can handle processing capacities ranging from 200 tons to 2000 tons of coal slime. Investing in the development and production of slime drying machines is an effective way to recover and utilize coal slime while minimizing waste.
Zoneding Dryer at Customer Site
Applications of ZDM Slurry Dryer
The ZDM slurry dryer, known for its efficient and energy-saving capabilities, has a wide range of applications in various industries. Some of the key applications include:
Coal Industry: The ZDM slurry dryer is commonly used for drying coal slime, raw coal, coal flotation concentrate, and mixed coal. It helps to reduce moisture content and improve the quality of coal products.
Construction Industry: It is suitable for drying materials such as blast furnace slag, clay, limestone, sand, and quartz stone. This is beneficial in the construction industry for various purposes, including cement production and building materials manufacturing.
Ore Dressing Industry: The ZDM slurry dryer can effectively dry various types of metal ore and tailings from the ore dressing process. This helps to optimize the utilization of resources and reduce environmental impact.
Chemical Industry: It is also applicable for drying non-thermally sensitive materials in the chemical industry. The ZDM slurry dryer provides a reliable and efficient solution for drying chemical substances without compromising their quality or properties.
These are just a few examples of the applications of the ZDM slurry dryer. Its versatility and effectiveness make it a valuable tool in multiple industries where drying of slurry materials is required.
Slurry Dryer Application
The slurry dryer operates through several key components and processes. Here is a simplified explanation of how it works:
Heating System: The slurry dryer has a heating system that provides the necessary heat to evaporate moisture from the slurry. This can be achieved through various heat sources, such as natural gas, coal, or electricity.
Feeding System: The feeding system of the slurry dryer is designed to handle high-humidity materials. It typically includes a feeder with a scattering function. The feeder helps break up and disperse the sticky slurry material to promote better contact with the hot air.
Transportation System: The transportation system involves a rotating cylinder or drum that holds the slurry. The slurry is continuously fed into the cylinder, where it is evenly distributed and transported for drying.
Drying System: The drying system of the slurry dryer primarily relies on heat exchange. Hot air generated by the heating system is blown into the cylinder. The hot air comes into direct contact with the slurry, causing the moisture within the slurry to evaporate. As a result, the slurry gradually becomes drier.
Dust Removal System: During the drying process, fine particles and dust may be produced. To maintain a clean working environment, a dust removal system is incorporated. It helps capture and remove any dust particles before they can escape into the air.
Induced Draft Fan: An induced draft fan is used to circulate the hot air within the slurry dryer. It helps create a continuous flow of air that aids in the drying process.
Electric Control System: The electric control system enables the operator to control and monitor various parameters of the slurry dryer, such as temperature, airflow, and drying time.
In summary, the slurry dryer operates by introducing hot air into a rotating cylinder containing the slurry. The hot air evaporates the moisture within the slurry, resulting in the drying of the material.
Structure of Slurry Dryer
The slurry dryer machine offers several advantages, including:
Large processing capacity: The slurry dryer machine is designed to handle a significant amount of slurry material. It has a large capacity, allowing for efficient drying of a substantial volume of material.
Stable performance: The slurry dryer machine is built to deliver stable and reliable performance. With its continuous blowing system, it provides a consistent and controlled heat source for the drying process, ensuring reliable and efficient operation.
Improved drying efficiency: The machine is equipped with lifting plates that are arranged in a spiral pattern. This design promotes better contact between the slurry material and the drying air, enhancing the drying efficiency. Consequently, it allows for faster moisture evaporation and shorter drying times.
Energy-efficient: The slurry dryer machine is designed with energy efficiency in mind. The wheel-riding adjustment in its structure ensures continuous and linear contact, minimizing energy wastage. This feature contributes to significant energy savings during operation.
Versatile application: The well-designed structure of the slurry dryer machine allows for its extensive application in various fields. It can effectively dry different types of slurry materials, making it versatile and adaptable to different industries and processes.
Reduced moisture content: The slurry dryer machine can effectively decrease the moisture content of slurry materials by approximately 60%. This reduction in moisture content is crucial for enhancing the quality, usability, and transportation of the dried material.
In summary, the slurry dryer machine offers large processing capacity, stable performance, improved drying efficiency, and energy efficiency. Its versatile application and capability to reduce moisture content make it a valuable asset in various industries.
Slurry Dryer Ready for the Shipment to Customer
Before the first operation of a slurry dryer, it is important to pay attention to the following:
Operator training: The operator should receive comprehensive training on the structure, operation, and troubleshooting of the slurry dryer. It is essential to ensure that they are familiar with the machine’s manual and guidelines.
Running-in period: The running-in period typically lasts around 3 days. During this time, extra attention should be given to key aspects such as lubrication, cooling, sealing, and braking systems. Regular checks and inspections should be conducted to ensure smooth operation and identify any potential issues.
Proper operation and maintenance: The operator should strictly adhere to the instructions provided for correct operation and maintenance of the slurry dryer. Overloading the dryer machine should be avoided, and the workload should not exceed 80% capacity to prevent overheating.
End of the running-in period: At the end of the running-in period, a thorough check of the slurry dryer should be performed. Each part should be inspected, and any worn or damaged components should be replaced promptly. Regular maintenance and cleaning should be scheduled to ensure the equipment operates at peak performance and to extend its service life.
By following these guidelines, the first operation of the slurry dryer can be carried out smoothly, minimizing the risk of failures, and ensuring optimal performance and longevity of the equipment.
Slurry Dryer at Customer Site in Ghana
Zoneding Machine specializes in manufacturing a wide range of slurry dryers. Our slurry dryers are known for their exceptional quality, reliable performance, and competitive pricing. We also provide excellent after-sales service, which has garnered significant customer support and satisfaction.
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 is subject to change as technology advances. We reserve the right to make changes without prior notice. Machine performance may vary depending on the specific application it is used for. To obtain more detailed information, we recommend chatting online with Zoneding engineers who can provide further assistance.
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