Trommel screen

How It Works:

Rotating Drum: The trommel screen consists of a rotating cylindrical drum with perforated holes of varying sizes.

Feed Hopper: Waste material is fed into the drum through a hopper.

Rotation and Screening: As the drum rotates, waste materials are lifted and tumbled within the drum. Smaller particles fall through the perforations, while larger particles continue to move along the drum until they exit at the end.

Separation: The materials are thus separated based on size, with finer materials passing through the screen and larger materials being discharged.

Key Components:

1.Drum: A cylindrical drum with perforated screens.2.Feed Hopper: An entry point for the waste material.3.Support Structure: Framework that supports the drum.4.Motor and Gearbox: Provides the rotational force needed for the drum.5.Discharge Chutes: Outlets for separated materials.

Applications:

Municipal Solid Waste (MSW) Processing: Separating recyclable materials from non-recyclable waste.

Composting: Screening organic material to create uniform compost.

Mining and Quarrying: Classifying aggregates and separating valuable minerals.

Recycling Facilities: Sorting and classifying various types of waste like plastics, metals, and paper.

Construction and Demolition Waste: Separating reusable materials from rubble and debris.

Zhongcheng offers a wide range of trommels with different diameters, screening lengths and plate thickness, depending on the equipment application: simple double trommels for urban treatment plants, refine trommels, trommels for construction and demolition waste treatment facilities, etc.

Customer Questions and Answers:

   1.What is the differences between waste trommle and compost trommel screen?

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   2.What are the main factors influencing the separation efficiency and output of a drum screening machine?

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Quite often, waste material is delivered to recycling centres in black bags, meaning that in some recycling lines, the bags need to be split open by hand. To avoid this, and to make the recycling process more efficient, bag opener systems can be added to the trommel. These ‘teeth’ allow the bags to be opened within the drum, ready for screening.

When thinking about specifying a screening solution, it is important to consider five key areas:

1) What do you want to achieve?

2) What are you sorting? Will this change?

3) What space is available for the equipment?

4) Logistics of running the equipment – Is there enough space for inputting and collecting materials.

5) What budget is available?

A common use for trommels is to remove glass from waste streams. Glass, as a material, can be recycled over and over again, enhancing the benefits in the long term. Furthermore, scope for the use of recycled glass is incredibly diverse, allowing businesses to make significant amounts of money from its sale. Recycled glass can be sold on and used in many areas, including the manufacture of bricks, fibreglass, sports turf, tarmac and aggregates.

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