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Performance evaluation of trommel screens

Date:2024-11-26
View: Point

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Heavy duty trommel screen with 

anti-wrapping 3D holes that 

fractionate the material. The sharp 

metal spikes rip open bags.

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Removes fines fraction – up to 95 

percent organic material that is sent 

to an anaerobic digester or back to

tipping floor for disposal.


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What is a Trommel Screen?

A trommel screen, also known as a rotary screen, 

is a mechanical screening machine used to separate 

materials, primarily in the mineral and solid-waste 

processing industries. It consists of a cylindrical drum 

with perforated holes of varying sizes, through which 

materials are sorted by size as the drum rotates.



Parameters sheet of trommel screen : 


ModelLength RangeSegment No.Aperture SizePower
(Kw)
Inclined AngleMax. Material SizeRotating Speedrpm
ZCφ6002-4m1-230mm2.2-30-7°60mm12-18
ZCφ8002-5m1-350mm3-5.50-7°100mm12-18
ZCφ10002-6m1-4100mm4-110-7°150mm10-18
ZCφ12003-8m1-4150mm5.5-18.50-7°200mm9-15
ZCφ15003-10m1-5200mm7.5-220-7°250mm9-15
ZCφ18004-12m1-5220mm7.5-220-7°270mm8-15
ZCφ20005-15m1-5250mm11-300-7°300mm8-12
ZCφ25005-18m1-6300mm11-300-7°350mm8-12




When the material enters the drum device, due to the 

inclination and rotation of the drum device, the material 

on the screen surface is turned over and rolled, so that 

the under-screen material smaller than the screen hole 

size is discharged from the screen hole, and the 

screened material larger than the screen hole size is 

discharged from the tail through the drum.

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Key Features

Trommel screens are characterized by their unique design 

and operational features:


Rotating Drum: The heart of the trommel screen, it ensures 

continuous and efficient screening of materials.

Perforated Holes: Available in various sizes to accommodate 

different material separation requirements.

Variable Speed: Allows adjustment of the drum rotation speed 

to optimize screening performance.

Durable Construction: Built with high-quality materials to 

withstand heavy-duty use and harsh environments.

Ease of Maintenance: Designed for easy access and 

cleaning to ensure minimal downtime.

Applications of Trommel Screens

Trommel screens are used in a wide range of industries due 

to their versatility and effectiveness. Common applications include:


Recycling: Sorting and separating recyclables such as plastics, 

metals, and glass by size for efficient processing.

Mining: Separating valuable minerals from ore based on size, 

improving the efficiency of downstream processing.

Waste Management: Screening and separating different types 

of waste materials, facilitating more efficient recycling and disposal.

Agriculture: Separating organic materials, such as compost 

and topsoil, from unwanted debris.

Construction: Sorting construction and demolition debris, 

such as rubble, sand, and gravel, by size.

Benefits of Using Trommel Screens

Implementing trommel screens in material separation processes 

offers numerous benefits:


Increased Efficiency: Enhances the speed and accuracy of material 

separation, reducing manual sorting time.

Improved Product Quality: Ensures consistent and high-quality 

separation of materials, leading to better end products.

Cost Savings: Reduces labor costs and increases operational efficiency,

 leading to overall cost savings.

Scalability: Easily integrated into existing operations and can be scaled

 up as processing needs grow.

Environmental Impact: Efficient material separation supports recycling 

efforts, reducing waste and conserving resources.

Our Commitment to Innovation

We are dedicated to providing high-quality trommel screens that meet 

the diverse needs of our clients. Our screens are designed with the latest

technology to ensure optimal performance and reliability. We offer 

comprehensive support, from initial consultation and design to installation

 and maintenance.

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Explore our range of trommel screens and discover how they can enhance

 your material separation processes. Contact us today to learn more about

 our products and services.


Author:Yu Qanqan

Yu Qanqan is a senior engineer of Zhongcheng Machinery Co., Ltd. She has rich theoretical knowledge and working experience in mechanical manufacturing, and has a deep understanding of the relevant industries of waste screening machinery and crushing machinery. She is willing to share the knowledge of screening machinery and crushing machinery.

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