The shaftless trommel screen is a new type of high-efficiency equipment in the field of material screening. With its unique design and excellent performance, it has been widely used in many industries.

The shaftless trommel screen can accurately classify materials according to particle size, which is used for construction waste treatment and resource recycling; it can screen coal of different particle sizes in the coal field; it is also indispensable in mining, agriculture, chemical and other industries, not only helping to improve the quality of production raw materials, but also providing matching materials for downstream processes.

From a structural point of view, the biggest difference between the shaftless trommel screen and the traditional trommel screen is that it abandons the central axis design. This innovative design makes the internal space of the screen more spacious, avoids the problem of material winding around the axis, greatly reduces the risk of blockage, and improves the smoothness of screening, especially suitable for processing materials with high fiber content and high viscosity. The screen part is usually made of high-strength and corrosion-resistant materials, and different apertures can be selected according to actual screening needs to meet diverse classification requirements.

During the working process, the material enters the rotating screen trommel from the feed inlet, and the screen trommel is driven by the motor to perform circular motion at a specific speed. In this process, materials that meet the particle size requirements pass through the screen and fall into the discharge port; materials that do not meet the requirements continue to move along the screen trommel and are finally discharged from the discharge port, thereby achieving accurate screening and grading.

The application of shaftless trommel screen is very extensive. In the field of construction waste treatment, it can effectively screen the crushed construction waste, separate aggregates of different particle sizes, and realize resource recycling and reuse. In the coal industry, it can be used to screen coal of different particle sizes to meet the various needs of industrial production and civil use. In addition, it can also play an important screening role in mining, agriculture, chemical industry and other industries.

Compared with traditional screening equipment, shaftless trommel screen has significant advantages. It has high screening efficiency and large processing capacity, which can effectively improve production efficiency. At the same time, the equipment runs stably, is easy to maintain, and reduces the cost of use. With good environmental protection performance, it can effectively reduce dust flying, reduce pollution to the environment, and provide a strong guarantee for sustainable production.

The advantages of shaftless trommel screen are significant. Due to the design without a central axis, material winding is eliminated and blockage is reduced. It has high screening efficiency and large processing capacity, and is suitable for materials from multiple industries. The equipment operates stably, is easy to maintain, and is environmentally friendly, effectively reducing dust pollution and significantly reducing the overall cost of use.

In all areas of industrial production, efficient and accurate material screening is essential. As a leader in screening equipment, the shaftless trommel screen has attracted much attention in recent years. Unlike traditional screening equipment, it breaks many application limitations with its innovative shaftless design. Understanding the working principle of the shaftless trommel screen not only helps equipment operators optimize production processes, but also has great significance for equipment developers to improve designs. The following will explain its working secrets in detail.

The shaftless trommel screen is mainly composed of a shaftless trommel, a drive device, a frame, and a feed and discharge device. Its working principle is based on the screening movement of materials in a rotating trommel.

When the equipment is started, the drive device drives the shaftless trommel to rotate steadily at a specific speed. The material to be screened enters the trommel from the feed port. Due to the rotation of the trommel, the material keeps rolling and jumping in the trommel. In this process, material particles smaller than the size of the screen hole, by virtue of their own gravity, the centrifugal force generated by the rotation of the trommel, and the extrusion force between the materials, smoothly pass through the screen mesh holes and are discharged from the discharge port below the trommel to become the under-screen product. Materials larger than the size of the screen hole continue to move in the trommel as the trommel rotates until they are transported to the discharge end of the trommel and discharged as the product on the screen.

The shaftless trommel screen adopts a shaftless design, which has unique advantages over the traditional shafted trommel screen. On the one hand, it avoids the entanglement and blockage of the material on the central shaft and bearing during the screening process, and can efficiently handle some sticky, fibrous or easily entangled materials, such as domestic garbage and biomass. On the other hand, the shaftless structure makes the installation and replacement of the screen more convenient, and at the same time the effective screening area of the screen is increased, thereby improving the screening efficiency and processing capacity. In addition, by adjusting the parameters such as the speed of the trommel, the aperture of the screen and the inclination angle, it can flexibly adapt to different material characteristics and screening requirements to meet the diverse industrial production needs.

The shaftless trommel screen drives the trommel to rotate by the drive device, and the material rolls in it. Materials smaller than the screen hole are discharged through the screen by gravity, centrifugal force, etc., and those larger than the screen hole are discharged from the discharge end. The shaftless design avoids material entanglement, increases the screening area, and improves efficiency. Its parameters can be flexibly adjusted to adapt to various materials and screening needs. With its unique operating mode, it plays a key role in the field of industrial screening and continues to assist production in various industries.

The shaftless trommel screen has shown many outstanding characteristics and advantages in the field of material screening. These characteristics make it stand out in many industrial scenarios and become a powerful assistant for efficient screening operations.

From the perspective of structural design, the shaftless trommel screen abandons the traditional central axis and adopts a unique shaftless structure. This innovative design avoids the problem of material entanglement and clogging of the central axis and bearings. When dealing with materials that are easy to entangle and have high viscosity, such as domestic garbage, biomass, and fiber materials, traditional shafted screening equipment often stops frequently for cleaning due to material entanglement. The shaftless trommel screen can rely on the shaftless design to allow the material to pass smoothly and continue to operate efficiently, greatly improving the adaptability of the equipment to complex materials.

In terms of screening effect, the shaftless trommel screen performs well. The effective screening area of its screen is larger. The central axis of the traditional shafted trommel screen occupies a certain space, limiting the screen area. The shaftless trommel screen eliminates this obstacle and can install a larger area of screen, so that the material and the screen are in more full contact, which significantly improves the screening efficiency. By adjusting parameters such as trommel speed, screen aperture and inclination, it can accurately adapt to different material characteristics and diversified screening needs. Whether it is the preliminary screening of coarse-grained materials or the fine classification of fine-grained materials, accurate screening can be achieved to ensure stable product quality.

In terms of maintenance, the shaftless trommel screen has obvious advantages. Since there is no central shaft and related bearing components, the equipment structure is simpler and the number of vulnerable parts is reduced. This not only reduces the workload of daily maintenance, but also reduces the downtime caused by replacing damaged bearings and other components, and reduces maintenance costs. At the same time, the screen is easy to replace. When the screen is worn and needs to be replaced, the operator can complete the operation quickly to ensure that the equipment resumes operation as soon as possible and improve production continuity.

In terms of operating stability, the shaftless trommel screen runs smoothly and reliably. Its unique structural design makes the material more evenly distributed in the trommel, reduces the equipment vibration caused by material overload, and extends the service life of the equipment. Moreover, the equipment has low noise during operation and will not cause serious interference to the working environment, which meets the requirements of modern industry for environmental protection and safe production.

The shaftless trommel screen has shown significant advantages in the field of material screening due to its unique shaftless structure, efficient screening capability, convenient maintenance and stable operating performance, bringing higher benefits and reliability to industrial production. It is an important equipment to promote the efficient development of material screening operations in various industries.

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