Initial cleaning and screening of powder materials

The initial screening of powder materials can effectively separate large impurities such as straw, stones, hemp flakes, paper sheets, and clumps mixed in the powder materials, so that the materials can pass through other equipment smoothly, effectively ensuring the normal operation of the subsequent processing equipment and conveying equipment. This screen can also be used for screening, crushing, or removing clumpy materials after being mixed by a mixer.

　　Preliminary Cleaning Sieve for Powder MaterialsWorking Principle:

When the spiral feeder forcibly feeds the screened powder into the sieve cylinder, the powder is subjected to the impact of the rotating plate, causing the clumped materials in the powder to be crushed. At the same time, the powder moves in a circular motion around the inner surface of the sieve cylinder together with the plate under the push of the plate. Under the action of centrifugal force, the powder smaller than the cylinder hole quickly passes through the sieve hole and is discharged outside the machine from the bottom discharge port. The large impurities with large sieve hole size are pushed in the direction of large impurity discharge by the inclined plate, and finally discharged outside the machine.

　　Preliminary Cleaning Sieve for Powder MaterialsPerformance characteristics:

1. High efficiency, smooth operation, reliable work, compact structure, small footprint, simple installation, easy maintenance, and easy replacement of the screen cylinder.

2. The rotor equipped with a punching plate rotates at high speed, scattering the screened material around the entire circumference of the sieve cylinder and quickly passing through the sieve holes. The clumped material quickly disintegrates under the impact of the punching plate.

3. The punching plate on the rotor has a certain inclination angle with the shaft, which can push the screened material or large impurities forward and timely discharge them outside the machine. The punching plate rotates together with the rotor to remove the large impurities hanging on the screen cylinder at any time.

Purpose and scope of application:

This sieve can effectively separate large impurities such as straw, stones, hemp flakes, paper sheets, and clumps mixed in powdered materials, so that the materials can pass through other equipment smoothly, effectively ensuring the normal operation of post-processing equipment and conveying equipment. It can also be used for screening, crushing, or removing clumpy materials after being mixed by a mixer.

Main performance indicators and technical parameters:

Production capacity: 40-50t/h

Screen cylinder specification: Φ 600 × Φ 500 × 1000

Rotor speed: 450rpm

Efficiency of impurity removal: ≥ 95%

Screen cylinder aperture: Φ 12

Motor power: 5.5kW

Board inclination angle: 3 °

Main structure:

It consists of a pulley, a casing, a winch shaft, a connecting frame, a screening cylinder, a plate, an end cover, a motor, a motor seat, and a cylinder cover. The sieve cylinder has a 3 ° angle and the gap between it and the sieve cylinder can be adjusted to accommodate materials with different characteristics. By unscrewing the connecting bolts of the cylinder cover, the cylinder plate can be replaced.