Vibrating screen is a mechanical equipment that uses vibrating screen panels to classify the mixture which contain different particles according to particle size.
A vibrating screen or circular screen – or also a tumbler – allows the screening of powder products through the vibration or nutation movement transmitted by the motor or nutation mechanism installed on board. No rotating part is therefore involved in the process and the particles descend by gravity through the screening mesh and following the movement impressed by the machine.
In a vibrating screen, the absence of rotating parts brings following advantages:
maintenance is simpler, since it does not involve rotating parts or their accessories (bearings, seals, paddles or other similar components)
cleaning is easier too, because the product flow areas are spacious and easily accessible thanks to the design – completely made of stainless steel – designed to prevent stagnation
the mesh is more protected and not subject to stress by rotating parts
the noise level of a circular vibrating screen does not exceed 70 dbA, while the rotating parts might be noisier.
Types of Rotary Vibrating Screen
·Circular Vibrating Screen
-Applicable industry: coal dressing, ore dressing, building materials, electricity and chemical industry and etc.
-Its motion is rotational.
Drum Screen (Trommel screen)
-It widely used in screening wet materials.
-Its motion is like rotation of a drum
Banana Vibrating Screen
-Applicable industry: sinter ore, sintering and palletizing, ore classification and dehydration classification and referral.
·Dewatering Screen
-Applicable industry: large sintering plant, palletizing plant, concentrator, coal preparation and coal washrag.
Gyratory Vibrating Screen
-Applicable industry: abrasive, food, salt, sugar, chemical, pharmaceutical, mining, metallurgy and recycling.
-Its motions are horizontally at first then converted into elliptical then discharge in linear motion.
Linear Vibrating Screen
-Applicable industry: plastic, rubber, ceramic, food, pharmaceutical, chemical, fertilizer and glass industries.
-Its motion is parabolic motion. Materials is been throw forward.
Rotary Vibrating Screen
-Usage: screening, filtering, grading and removing impurity.
-Applicable material: powder, grain and liquidity material
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