is a kind of machinery widely used in sorting technology, which controls garbage sorting by the size of particle size. Drum sieve can be divided into shafted trommel screen and shafeless trommel screen. These two kinds of equipment have many differences, and we classify them according to the working principle and outstanding advantages.
It works differently
A shaft trommel screen
is installed on the rack at an inclined Angle according to the user's requirements.The deceleration motor is connected to the trommel shaft through the coupling and drives the drum to rotate about its axis.When the material enters the trommel unit, the qualified material is discharged through the screen hole due to the rotation of the trommel unit, while the unqualified material is discharged through the end of the trommel.As the material turns and rolls inside the trommel, the material stuck in the screen hole can be ejected to prevent the screen hole from being blocked.
Shapeless trommel screen
(one stage trommel screen) is also installed on the rack according to user requirements, with no center shaft design.The motor drives the pinion gear that snaps together with the larger gear of the trommel.The trommel device rotates under the drive of the driving device. When the materials enter the trommel screen, as the trommel is inclined to rotate, the materials on the sieve surface will be turned and rolled. Qualified materials will be discharged through the discharge port at the end of the drum sieve, while unqualified materials will be discharged through the discharge port at the end of the drum sieve.Materials in the roller screen to turn, roll, stuck in the screen screen material is easy to be ejected, do not plug the screen hole.
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