Talking about the Application of Vibrating Screen in Actual Operation

The application of the vibrating screen in actual operation is described, and its application in the production process of silicon carbide micropowder is taken as an example.

The role of the vibrating screen in this process:

1. Screening: Screening is to divide particles and powder into particles of different sizes. A single vibrating screen can be matched to a 4-layer screen, which can continuously sort 2-5 levels and control a narrow particle size range;

2. Screening out impurities: High-performance screening machine can quickly remove large particles or small particle pulp residue with low percentage content during high-flow treatment. The vibrating sifter can quickly remove non-soluble solid substances in various types of slurry and continuously discharge slag.

Learn about the production steps of silicon carbide micropowder:

1. Take the silicon carbide raw material, crush it by crusher , and sieving it to ≤5mm silicon carbide particles, and then shape it to ≤2mm silicon carbide particles with a shaping machine, and the oval particles account for more than 80%, then , then pickling and removing impurities and drying;

2. The dried silicon carbide particles are pulverized into a silicon carbide powder of d50=9.5-11.5 μm by a mill. When pulverized, the main current of the mill is set to 65-75A, and the fan flow rate is set to 40-50m. ?/min, the speed of the analyzer is 400-600 rpm;

3. The SiC powder is then classified by a vortex flow classifier. When grading, the fan flow rate of the vortex flow classifier is 25-43 m?/min, and the grading wheel speed is 2600-3300 rpm. Finished product A with a particle size of ds94=6.5-5.5 μm, and a semi-finished product with ds94≤5.5 μm is separated from the cyclone;

4. The semi-finished product separated by the cyclone of the vortex flow classifier is further classified by the impeller type air classifier. When classifying, the flow rate of the fan of the impeller type air classifier is 25-10 m?/min, and the speed of the classifying wheel is 1300. -1700 rpm, the finished product B having a particle size of ds94=4.5-3.0 μm is separated from the classification port, and the by-product is separated by the cyclone.

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