Drum Screen

Drum screen is a kind of grading equipment that relies on a cylindrical screen to achieve material separation and screening purposes, and it is often used for large - batch processing of river sand, yellow sand and other materials.Its screen hole size ranges from 2mm to 80mm, the feed particle size is ≤ 300 - 400mm, and the output can reach 800 tons per hour. This high - efficiency drum screen is capable of handling large quantities of materials, meeting the needs of mass production in various industries.It is mainly composed of a motor, a reducer, a drum device, a frame, a sealing cover, and a feed inlet and discharge outlet. The drum device is installed on the frame at an incline. This well - structured drum screen ensures stable operation during the material screening process.In terms of structure, it has closed type (which reduces environmental pollution) and open type (which is conducive to material observation). In terms of design, it is divided into shaft type and shaftless type (suitable for materials that are easy to entangle, such as garbage). The diverse structural and design options of this drum screen make it applicable to different working scenarios and material types.

Working Principle of Drum Screen:

The motor is connected to the drum device through a coupling via a reducer, which drives the drum device to rotate around its axis. This transmission system of the drum screen ensures efficient power transfer and stable rotation of the drum device.After materials enter the drum device, due to the inclination and rotation of the drum device, the materials on the screen surface flip and roll. This movement mode of the drum screen helps to fully screen the materials.Qualified materials (undersize products) are discharged through the screen on the outer circle of the drum, and unqualified materials (oversize products) are discharged through the end of the drum. The drum screen can effectively separate qualified and unqualified materials, improving the quality of finished products.The flipping and rolling of materials in the drum can eject the materials stuck in the screen holes, preventing the screen holes from being blocked. This anti - clogging feature of the drum screen ensures continuous and efficient operation of the equipment.

Application Scope of Drum Screen:

• Stone and sand yards: Used for grading stones of different sizes, separating sand and stones, and separating soil and stone powder. This drum screen is an essential equipment in stone and sand yards, which can improve the quality of sand and stone materials and enhance the market competitiveness of products.
• Coal industry: Used for separating lump coal and coal powder and coal washing (it is a component of coal washing machinery). In the coal industry, this drum screen can effectively improve the quality of coal products and the efficiency of coal washing operations, being an important part of the coal processing production line.
• Chemical and mineral processing industries: Used for grading lumps of different sizes and separating powdery substances. The drum screen can meet the precise screening requirements of the chemical and mineral processing industries, ensuring the purity and quality of chemical raw materials and mineral products.
• Other industries: Suitable for screening materials such as refractory materials, placer gold, hematite, limonite, etc.; also can be used for material screening in industries such as power plants, coking plants, metallurgy, etc.; suitable for screening wood chips, organic fertilizers, etc.; it has a good screening effect on garbage of various properties, such as domestic garbage, bulky garbage, industrial garbage, etc., as well as damp and easy - to - clog materials, such as coal, gangue, coke, raw and mature lime, etc. This multi - functional drum screen can be widely used in various industries, providing efficient material screening solutions for different enterprises.

Maintenance of Drum Screen:

• Regular component inspection: Regularly check the connection of components such as the motor, reducer, drum device, and frame to ensure that all components are firmly connected without looseness. Check whether the screen is damaged or deformed, and replace it in time if there is a problem. Regular inspection of the drum screen can timely detect potential faults and ensure the normal operation of the equipment.
• Lubrication maintenance: According to the requirements of the equipment operation manual, regularly lubricate each lubrication point to ensure the normal operation of the equipment and reduce wear. Generally speaking, parts such as the motor and reducer need to have their lubricating oil replaced regularly, and parts such as the bearings of the drum device need to have lubricating grease added regularly. Good lubrication maintenance can extend the service life of the drum screen and reduce the frequency of equipment failures.
• Equipment cleaning: After each use, promptly clean the material residues on the surface and inside of the equipment to prevent material accumulation from corroding the equipment or affecting the next use. For the screen holes, they can be dredged regularly to ensure that the screen holes are unobstructed. Regular cleaning of the drum screen can keep the equipment in a good working state and ensure the screening efficiency.
• Storage environment: When the equipment is not in use for a long time, it should be stored in a dry and ventilated environment to prevent the equipment from being damp and rusted, which affects the service life of the equipment. Proper storage of the drum screen is an important measure to maintain the performance of the equipment and extend its service life.

Technical Parameters

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