What Is A Rotary Drum Screen?

A rotary drum screen also known as a trommel screen or rotary sieve, is a mechanical screening device used to separate materials by size. It consists of a cylindrical drum that rotates on an axis and contains perforations or slots along its length.

The main body of YUBO rotary drum screens is manufactured using wedge wire profiles and support profiles. These wedge wire screens are available in a variety of slot sizes, providing large opening areas for optimal screening efficiency.

In this blog, we will learn about the principle, advantages, and usage of the wedge wire rotary drum screen.

How does a rotary drum screen work?

The functioning of a rotary drum screen filter is quite simple yet effective. As the material enters the drum, it is evenly distributed onto the internal surface by means of an inlet feed system. The rotation of the drum causes the particles to move along with it. The smaller particles are able to pass through the openings in the drum, while larger particles are carried forward until they reach a discharge point where they exit from.

What are the advantages of a drum screen?

▪ Efficient Screening: Slotted drum screen filter offers an efficient and effective screening of materials based on size.

▪ High Throughput Capacity: YUBO wedge wire drum screens have high throughput capacities, enabling them to handle large volumes of material in a relatively short period. 

▪ Self-Cleaning Mechanisms: Some advanced drum screens feature self-cleaning mechanisms that prevent clogging or blinding of the screening surface due to sticky or fibrous materials. 

▪ Low Maintenance Requirements: Compared to other screening devices, rotary drum screens typically have low maintenance requirements due to their simple design and fewer moving parts. Regular cleaning is usually sufficient to maintain optimal performance.

What is the purpose of a drum screen?

Drum Screen filters find applications across multiple industries such as water treatment plants (separating solids from liquids), mineral processing (classifying ores), solid waste management facilities (sorting recyclables), and composting sites (sieving organic matter), among others.

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