Shaftless Drum Screen Mines Stone Barite Sand Screening Machine

Shaftless Drum Screen Mines Stone Barite Sand Screening Machine

Introduction:
The shaftless drum screen is an efficient screening device that screens materials based on the rotation of the drum. It is named because it abandons the central axis structure of the traditional drum screen. Its core working principle is to use the rotation of the shaftless drum to drive the material to move forward in the drum in a spiral, and at the same time, the grading of materials of different particle sizes is achieved through the screen surface set on the inner wall of the drum. Specifically, the material enters from one end of the drum. Under the centrifugal force and friction generated by the rotation of the drum, the fine particles fall into the collection device below through the sieve holes, while the larger particles move along the inner wall of the drum to the discharge end, and finally achieve the separation of coarse and fine materials.

Advantages:
1. The shaftless design breaks through the structural limitations of the traditional shafted drum screen. The traditional shafted drum screen relies on the central axis to support the drum and transmit power, which is prone to problems such as shaft wear and material entanglement. Especially when processing fibrous and sticky materials, the central axis is easily blocked, affecting the screening efficiency. The shaftless drum screen uses rollers or gears on the outside of the drum to make the drum itself an independent rotating unit without any transmission parts inside, which fundamentally solves the problem of material entanglement and blockage, and significantly improves the adaptability of the equipment to complex materials.
2. The shaftless drum screen adopts an external drive mode, and the common ones are gear drive and roller drive. The gear drive meshes with the output gear of the reducer through the large gear installed on the outside of the drum, and the torque transmission is stable, which is suitable for large-diameter and heavy-load drums; the roller drive supports the drum through several groups of rollers, and the rollers are driven by the motor to rotate, relying on friction to drive the drum to rotate. It has a simple structure and is easy to maintain, and is mostly used in small and medium-sized equipment.

Parameter:

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