Product Introduction
The trommel screen is a rotary screening device suitable for sorting materials of various particle sizes, accommodating materials up to 500 mm. It is widely used for screening sand and gravel aggregates, engineering spoil, construction waste, household waste, organic matter, and minerals, making it a mainstream screening device in the solid waste treatment, sand and gravel processing, and material classification industries.
The equipment features an inclined cylindrical structure. A motor and reducer drive friction support rollers to rotate the drum at a constant speed. Combined with internal lifting baffles, the drum continuously tumbles, breaks apart, and advances the material, achieving continuous dynamic screening. The drum body uses a segmented, panel-spliced screen layout capable of multi-stage material classification. Oversized debris is conveyed to the tail end of the drum for discharge, while medium and small-sized materials pass through each stage of screen mesh in sequence to complete graded screening.
The reinforced integrated drum structure withstands sustained impact from large materials and adapts to high-humidity, sticky, and complex mixed-material working conditions. Leveraging the rotary tumbling operating principle, the equipment effectively breaks up caked wet material, thoroughly resolving common industry pain points such as screen mesh clogging, material accumulation, incomplete screening, and rapid screen surface wear found in traditional screening machines.
The equipment features a user-friendly structural design with a modular, segmented drum screen mesh that is easy to disassemble, replace, and maintain. The entire machine is equipped with an enclosed dust cover, rubber vibration-damping components, and an electrical overload protection system, balancing screening efficiency, operational stability, and workplace safety. With low operating noise, impact resistance, a low failure rate, and a simple maintenance workflow, the equipment effectively reduces maintenance costs and labor intensity. It meets the demands of long-term continuous industrial operation and offers outstanding versatility and practicality.
Core Advantages
The equipment uses a thickened steel drum with wear-resistant liners, offering overall impact resistance and wear resistance. Relying on the drum’s rotary tumbling structure, it continuously breaks apart caked, wet, and sticky materials during operation, fundamentally eliminating screen mesh clogging and material retention issues. The equipment supports multi-stage screening with segmented screen meshes, with mesh specifications customizable according to customer material characteristics and screening requirements. It adapts to various material classification tasks, delivering superior screening accuracy and operational efficiency compared to traditional screening equipment.
Both the drum inclination angle and rotation speed are flexibly adjustable, accommodating materials of varying hardness, moisture content, and adhesiveness. Combined with integrated rubber vibration-damping components and a stable reduction drive system, the equipment effectively buffers operational vibrations and reduces operating noise. The entire machine exhibits minimal oscillation amplitude and a low wear rate, running smoothly throughout and ensuring continuous, stable production line operation.
The equipment adopts a modular, segmented screen mesh design with a convenient quick-fastening structure. Screen mesh disassembly and replacement can be completed quickly using common tools. The equipment provides ample maintenance access space, a simple structural design, and a low failure rate, significantly reducing equipment downtime for maintenance and lowering both labor maintenance difficulty and equipment operation and maintenance costs.
Equipped with a professional electrical overload protection and material jam alarm shutdown system, the equipment automatically triggers an alarm and shuts down when faults such as overload, material jamming, or abnormal current occur, mitigating the risk of equipment damage. Both the drum body and screen mesh are made of high-strength, wear-resistant materials with corrosion and impact resistance, suitable for harsh working conditions with high dust and humidity. The entire machine features a robust and durable structure, effectively extending equipment service life.
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Robust and durable drum body, multi-stage screening without clogging, high operational efficiency
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Adjustable parameters with wide adaptability, smooth and low-noise rotary operation
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Simple and fast disassembly and assembly, extremely low maintenance and operation costs
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Multiple safety protection features, long equipment service life
Technical Specifications
| Item | HSD2508A | HSD3012A | Notes |
|---|---|---|---|
| Model | HSD2508A | HSD3012A | - |
| Working Surface Dimensions m | Phi 2.5 x 8 | Phi 3 x 12 | - |
| Number of Screen Panels | 56 | 90 | - |
| Mesh Size mm | 5—150 | 5—350 | - |
| Dimensions (L x W x H) m | 22 x 3.2 x 3.4 | 17.3 x 4 x 4.2 | - |
| Processing Capacity m^3/h | 30—120 | 40—200 | Varies depending on material properties and screening standards |
| Motor Power kW | 37 | 2 x 30 | Protection rating IP55 |
| Weight t | 18 | 35 | - |
| Applicable Material Particle Size mm | <=500 | <=500 | - |
Application Scenarios
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Solid Waste Treatment Industry: Suitable for screening and classifying solid waste including household waste, aged waste, food and kitchen waste, industrial waste, and recyclable waste, supporting solid waste resource recovery and utilization.
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Infrastructure and Earthworks: Used for fine screening and impurity separation of construction and renovation waste, engineering spoil, backfill earth, and crushed sand and gravel.
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Recycling Industry: Used for size classification of recycled materials such as various recycled metals, meeting the production needs for refined material sorting.
Application Cases
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Municipal Solid Waste Treatment Project: Multiple trommel screens deployed in municipal solid waste, kitchen waste, and aged waste sorting production lines, performing precise screening of materials and effectively separating organic from inorganic matter. The equipment operates continuously and stably with no material jamming and minimal failures, significantly improving waste sorting efficiency and supporting the harmless treatment and resource recovery of urban solid waste.
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Sand and Gravel Recycling Project: Applied in construction waste crushing and recycled sand and gravel screening scenarios for primary classification of recycled aggregates. The equipment operates with low noise and stability, is easy to maintain, effectively reduces production line operating costs, and significantly improves finished product quality.