Sand and gravel vibrating screen, as you can see from the name, is a vibrating screen used to screen sand and gravel. In the sand and gravel processing production line, it is often used in conjunction with crushing equipment. At present, the more common vibrating screens are mainly divided into linear vibrating screens, circular vibrating screens Vibrating screen, high-frequency vibrating screen, let’s take a detailed look at how the sand vibrating screen screens sand and gravel, and what kind of sand vibrating screen to choose for screening:

1. What kind of sand vibrating screen to choose
   It depends on the screening effect you want. Generally, if the screening effect is good, you can consider using a linear vibrating screen or a thin oil linear vibrating screen. If you want to sieve quickly, use a circular vibrating sieve.
2. The working principle of each gravel vibrating screen
3. Working principle of linear vibrating screen
   The linear vibrating screen is driven by double vibrating motors. The two motor shafts have an inclination angle relative to the screen surface. The purpose of screening and grading materials.
4. Working principle of circular vibrating screen
   The circular vibrating screen uses an inertial vibrator to vibrate. The circular vibrating screen is a single-axis vibrator. The main shaft fixed on the screen box is driven by a motor to rotate at high speed, and the eccentric body installed on the main shaft rotates accordingly to generate centrifugal inertial force. The sieve box that can vibrate freely produces a vibration that approximates a circular trajectory.
5. Working principle of trommel screen
   Using the principle of filtration, the material is fed into the rotating screen drum, and the coarse particles quickly settle to the inner wall of the screen drum. Due to the rotation of the screen drum, the material layer settled on the inner wall tilts up and rolls, so that the upper layer of the suspension is subjected to the material layer. The layer resistance is significantly reduced and the screen is quickly screened, and the solid particles that have not been screened are discharged along the axis of the screen cylinder under the promotion of gravity and spiral flow.
6. Working principle of high frequency screen
   When the high-frequency vibrating screen is working, it is first driven by the motor, and the material enters from the upper parting device. In the grinding circuit, the product is controlled and graded. The unqualified material on the screen needs to be re-grinded, and the qualified fine material is the screen The material can be discharged in time, and the material that meets the particle size requirement enters the beneficiation circuit, and the concentrate is screened out, and the coarse ore screened needs to be re-grinded.