Linear vibrating screen replaces the spiral classifier in the first stage grinding circuit

Dagushan iron ore began substituted ø1200 a double spiral classifier with KZS1632 Linear shaker separator 5 in the industrial testing system in 1980.
The structure of KZS 1632 linear vibrating screen is shown in the figure below. Its technical characteristics are:


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Rated production 65t/h
Unit production capacity 15~18t/m 2 •h
Screen hole width 0.4±0.1mm
Screen strip (width × height) 2.5 × 4mm
Screen elevation angle 7 degree groove bottom elevation angle 0 degree excitation angle 30 degrees working amplitude (maximum) 4.3mm
Vibration frequency 960 times / min
Sieve plate (length and width) 1600 × 450mm
Screen surface (length and width) 3150×1600mm
Vibration motor power 4kW

The results of three comparison tests yielded:
1. The linear vibrating screen has a classification efficiency of more than 75%, which is 15 to 20% higher than the spiral classifier regardless of the mass efficiency or mass efficiency.
2. When the capacity is high, the linear time of the linear screen is 1.5t higher than that of the spiral classifier.
The size of the product under the sieve is stable.

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