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What screening equipment is used for raw materials?

Friday August-18 2023 12:01:58

In industrial production, the screening of raw materials is a very important part. The main purpose is to remove impurities and unnecessary components in raw materials to ensure the quality and stability of products. Common raw material screening equipment are as follows:

1. Vibrating screen: The vibrating screen mainly separates the raw materials on the screen surface through vibration. The raw materials with large particles will be blocked above the sieve holes, while the small particles will pass through the sieve holes downward. The vibrating screen can efficiently screen raw materials and is suitable for screening granular raw materials.

2. Centrifugal sieve: Centrifugal sieve is a screening device that uses centrifugal force to separate raw materials. The raw materials are subjected to centrifugal force in the screen cylinder, and the raw materials with large particles will be blocked above the sieve holes by the centrifugal force, while the small particles will pass downward through the sieve holes. Centrifugal sieve is suitable for screening granular raw materials, especially for raw materials with high humidity.

3. Air classifier: Air classifier is a kind of equipment that uses the action of air flow to screen and classify raw materials. Under the action of airflow, the raw materials are separated into different grades according to the particle size. The air classifier is suitable for raw materials with fine particles, and can finely screen and classify raw materials.

4. Impact crusher: The impact crusher crushes the raw materials through the high-speed rotating hammer head, and then screens them through the screen. The impact crusher is mainly suitable for the screening and crushing of raw materials with large particles, and can separate the impurities and large particles in the raw materials.

5. Vortex screen: Vortex screen is a device that uses centrifugal force and eddy current to separate raw materials. When the raw materials are rotating at high speed in the vortex screen, the raw materials with large particles will be blocked above the screen by centrifugal force, while the small particles will be loosened and attached. The vortex screen is suitable for raw materials with fine particles, and can finely screen and separate raw materials.

6. Grate sieve: Grate sieve is a device that screens raw materials through protruding sieve forks. The raw material passes through the sieve fork on the grate sieve, the raw material with large particles will be blocked on the sieve fork, while the small particle will pass downward through the sieve fork. The grate sieve is suitable for raw materials with larger particles, and can screen out coarser products.

During the screening process of different raw materials, due to their different characteristics and requirements, the selection of screening equipment will also be different. Therefore, when screening raw materials, appropriate screening equipment should be selected according to the characteristics and requirements of the raw materials to ensure the effective separation and screening of raw materials and the stability of product quality.

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