Urban garbage sorting equipment - shaftless drum screening machine
Release time：2025 / 12 / 08 17:33:27
The rotating drum screen in the garbage sorting assembly line system is generally installed upstream of the urban solid waste sorting system and effectively screens urban waste of different sizes. They have the function of dividing the incoming waste stream into two or multiple waste streams. According to the different particle sizes of the garbage components, the various garbage components entering the drum screen can be separated. The garbage drum screen is designed to screen materials according to their different properties and diameter sizes. It can be designed as a circular screen cylinder or an inner hexagonal screen cylinder, which can increase the primary bag breaking effect and have self-cleaning function inside.
The working principle of garbage drum screen:
Drum screen is used to classify waste based on the size of the holes in the long drum. Different sizes of holes are used to sort different types of materials (less than 80mm for inert materials such as sand, broken glass, ceramics, and stone, 80mm to 200mm for recyclable plastics, and 200mm to 300mm for paper and large plastics). Each component with a size smaller than the diameter of the sieve mesh falls to the bottom of the machine, while components with a size larger than the diameter of the sieve move forward above the machine. When moving, they fall into the discharge hopper in the direction of entry and exit, and are discharged better towards the surrounding environment.
The drum screen is composed of a sturdy steel frame (section steel) and a drum shell, which also comes with corresponding track plates for feeding, residue, and screening parts. The hood can prevent dust from escaping and can also be used to connect to dust collectors provided on site. The center of the sieve cylinder is the rotating drum body. The drum body is made of steel plates and cross-sectional steel. The drum body has been welded and equipped with traveling wheels for its guidance and support. The drum body is driven by friction wheels to ensure quiet operation and reduce the operational requirements of the running ring.
Advantages of garbage screening production line:
1. Adopting the rolling conveying principle, the friction coefficient is small, the wear is light, and the sieve holes are not easily blocked.
2. The drum support adopts an integral shaft structure, which runs smoothly, without vibration, and has low noise.
3. The internal drum screen accessories adopt a split design, with a simple structure and quick and convenient replacement and maintenance.
4. The drum body adopts an effective fully sealed structure, which does not raise dust or pollute.
5. Reliable operation, using deceleration transmission, high transmission efficiency, low belt power, low energy consumption, and significant energy-saving effect.
6. We can use different screen materials and mesh sizes according to customer requirements, with high screening efficiency, long service life, and low maintenance costs.
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