GTS Series Drum Screen

The GTS series drum screens are fixed on the frame in an inclined position. The motor transmits power to the wheel assembly through a reducer and a coupling, driving the drum to rotate continuously around its own axis. After the materials enter the drum, they roll continuously on the screen surface and move forward along with the drum due to the inclined angle of the cylinder and its rotational motion. During this process, the materials that meet the particle size requirements (the products below the screen) are discharged from the discharge port at the lower rear part of the drum, while the materials that did not pass through the sieve holes (the products above the screen) continue to move forward and are finally discharged through the discharge port at the end of the drum. Because the materials continuously roll and rotate inside the drum, the particles that might have been stuck in the sieve holes will be naturally removed, effectively avoiding sieve hole blockage.

01 The screen has good quality and the mesh holes are not prone to clogging.
02 The all-copper core motor operates smoothly.
03 The screening bucket can be sealed, making it easy to achieve closed dust collection.

04 High overall machine reliability with low initial investment cost

Start-up: First, start the main motor of the drum screen (without load), and wait for the speed to stabilize (about 10 seconds) before starting the feeding equipment - the feeding device (belt conveyor or feeder) should lag behind by 3–5 seconds to prevent material from being carried during the start-up.
Feeding: Distribute evenly in the Flared opening of the drum feed end, avoid uneven distribution (the tolerance for uneven distribution of the drum screen is higher than that of the vibrating screen, but too severe uneven distribution will overload a certain section of the screen mesh). Before feeding to the garbage line, it is best to be equipped with a bag breaker + magnetic separation + air separation for pre-decontamination to reduce the burden on the drum screen.
Sieve process： Slow rotation of the drum → Material is lifted by the lifting plate → Material falls through the screen → Fine materials fall into the corresponding collection bin → Coarse materials move towards the lower end → Materials are discharged at the end. For segmented screen meshes, the materials from the front section go to bin 1, the middle section goes to bin 2, and the rear section goes to bin 3.
Shutting down： First, stop the feeding → Wait until the material in the drum is emptied (about 1–2 minutes, depending on the drum's rotation speed and length) → Stop the main motor → Turn off the dust removal + flushing (if equipped).

The drum screen is mainly used for grading the particle size of materials. It is widely applied in production industries such as power, mining, metallurgy, building materials, and chemical engineering. It is commonly used for grading refractory materials, coal, sand and stone blocks, as well as screening wet and sticky materials like coal, coke, white lime, and sand gold ore, to make the product structure more uniform and meet production requirements.

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