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Durable Double Deck Vibrating Screen , Small Amplitude Sieving Sand Wet Vibrating Screen

Categories Circular Vibrating Screen
Brand Name: LIANGRU
Certification: ISO9001:2008,BV,CE,SGS,TUV
Place of Origin: CHINA
Price: Competitive
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Delivery Time: 10~30 working days
Application: circular vibrating screen for sieving sand
Voltage: 220v/380v/660v
Power(W): 5.5-37kw
Keyword: circular vibrating screen
Capacity: 60-810(t/h)
Vibrating Frequency: 870-730 r/min
Suitable Material: sand, coke, raw coal, coal gangue, mineral ores
Product name: circular vibrating screen for sieving sand
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    Durable Double Deck Vibrating Screen , Small Amplitude Sieving Sand Wet Vibrating Screen

    China good quality multi deck circular vibrating screen for sieving sand is a kind of new and highly effective vibrating screen that does circular vibrations and has multiple layers. Circular vibrating screen adopts cylinder postures eccentric block to produce strong exciting force. Its main body is connected by high strength screw bolts. A circular, elliptical vibration motion is created in order to sieve the materials efficiently. It is composed of screen box, screen mesh cloth, suspension (or support) device, underframe and motor.


    China circular vibrating screen for sieving sand is widely used in mining, power stations, water conservancy projects, building industry, light and chemical industry, for coal dressing as well as in metallurgy. Generally, these models are built to specifically classify large, middle and small materials efficiently.

    Performance and Features:

    • Ring groove rivet connections, advanced structure, strong and durable.
    • To connect sieve and the sieve beams by using high strength bolts, simple structure and convenient maintenance.
    • To use eccentric block as the excitation power, strong power, low power consumption and noise.
    • Small amplitude, high frequency, large angle structure, high screen efficiency, and high processing capacity.
    • Vibrator uses a large clearance bearings, thin oil lubrication, low noise, long service life. universal parts and easy maintenance.

    Working Principle:

    • When gravel mineral circular vibrating screen on operation , first the materials will feed on the screen mesh , and the materials will separated uniformly on screen mesh plates.
    • The rolling bearing of the screen will stressed by highly mostly shock-type loads.
    • And more , the screen bearing ,while rotating about their own axis ,going a way of circular ,elliptical or linear vibrating motion .This results in high radial accelerations which additionally stress the bearings , and especially the cages considerably.
    • The operating speeds are usually in a very high condition.
    • As a result, the bearing temperatures are up to 20 to 30 degrees Kelvin higher than in normal applications.
    • In addition, considerable misalignments between the bearing locations and considerable shaft deflections have to be accommodated.

    Technical Parameters
    ModelLayers No.Dimension
    Max. Feed
    Capacity(t/h)Vibrating Frequency
    Double Swing
    Note: the parameter above is just for reference,it can be customized by different requirment.
    Operation and Maintenance
    • When circular vibrating screen cannot be started or in a low amplitude, reasons are the following:
      1. Motor is damaged.
      2. Electric components controlling the circuit are damaged.
      3. Low voltage.
      4. Too many waste sundries on screen cloth.
      5. Vibration exciting goes wrong.
      6. Lubricating grease is agglomeration.
    • Reasons of abnormal flow of materials are the following:
      1. Machine body is instability as the stiffness of screen box is not enough.
      2. Circular vibrating screen screen box is horizontal deflection.
      3. Support springs are deformation or damaged.
      4. Screen cloth is damaged.
      5. Unbalanced feeding.
      6. Beam is fracture.
    • When rotating speed of screen slows down and bearings are heating, follow the below methods:
      1. Check the volume of lubricating grease in main bearing hole.
      2. Inspect whether there is blocking of bearings. Clean up in time and replace the sealing components.
      3. Check the oil in bearings.
      4. Check whether bearings are damaged or poor installation.
      5. Eccentric block on the wheel falls off, or sizes of eccentric blocks are different.
    • Check the following components if the gravel mineral circular vibrating screen noise at work:
      1. Bearing of vibration exciting.
      2. Fastening bolts.
      3. The beam.
      4. Support springs.
    Maintenance Notes
    • Always keep the circular vibrating screen working in a clean and sanitary environment.
    • The bearing on both ends of the motor should be lubricated with anti- high temperature lubricating grease, in the first month, please lubricate once a week.
    • Check flange bolts on both sides of motor, the bolts which fix the mesh and the support connecting bolt shouldn’t have loose phenomenon.
    • The circular vibrating screen should be maintained every half year.
      1. Clean the motor and add grease for all lubricating points.
      2. Check the abrasion condition of screen mesh, if any damage , please maintain and replace timely.
    • The circular vibrating screen should be maintained and repaired every year.
      1. Open the motor terminal box ,check the insulation between the wires and clean the dust.
      2. Add grease on all lubricating points.
      3. Check each part of the circular vibrating screen and abrasion condition of screen mesh, if any damage please maintain and replace timely.
      4. After finishing all the work, a trial run is also required.

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