The screening machine is a device used for screening, grading and separation of granular materials. Through vibration force, the material produces vibration motion on the screen, which is divided into different levels according to the particle size, and finally realizes the separation and classification of the material. It is widely used in mining, building materials, food processing and other fields.
The sifter is a kind of equipment used for grading and screening granular materials. It is usually used for the screening of powdery or granular materials in order to classify materials into different grades or classifications according to particle size.
Screening machine
How it works:
1. Vibration force effect: The sifter usually generates vibration force through vibration motor or other vibration devices, so that the whole sifter vibrates. This vibration force is transmitted to the screen and screen frame, so that the material produces vibration movement on the screen.
2. Screening area: The screening area of the sifting machine includes the screen and screen frame, and the powder material enters the screening area through the feed port. Under the action of vibration force, the material is screened and graded on the screen.
3. Screen: Screen is installed on the screen frame of the mesh structure, with different aperture sizes, according to the need to choose different specifications of the screen.
4. Classification and separation: Through the screening process, the powder material is divided into different levels according to the particle size, the finer particles pass through the screen, the coarser particles are retained on the screen. This enables the classification and separation of materials.
5. Discharge port: According to the different levels of the granular material after screening, there are multiple discharge ports for discharging materials of different particle sizes respectively.
Composition structure:
1. Frame: The frame of the sifter is a frame structure that supports the entire equipment, usually made of steel or aluminum alloy, with sufficient strength and stability.
2. Feed port: The granular material enters the screening area of the sifter through the feed port to begin the screening process.
3. Screening area: The screening area is the core part of the sifting machine, including the screen or sieve bucket installed on the rack. The screen usually has a mesh of different aperture sizes for screening granular materials.
4. Vibration or rotating device: used to generate vibration or rotating motion of the screen to promote the movement and screening of granular materials on the screen.
5. Discharge port: After screening and grading, particles of different sizes will be discharged respectively through the discharge port to complete the separation and collection of granular materials.
6. Drive device: Drive device usually includes motor, reducer and other components, used to drive vibration or rotating device operation.
7. Support feet: Support feet are used to support the sifter and maintain the stability and balance of the equipment.
8. Adjustment device: used to adjust the vibration frequency and amplitude of the sifter or replace the screen of different specifications to achieve the adjustment and control of the particle size of the material.
Application scenario:
1. Food industry: sifting machine is often used for powder screening and classification in food processing.
2. Chemical industry: Powder materials in the chemical industry, such as pigments, coatings, plastic powder, etc., need to be adjusted and graded by sifting machine.
3. Pharmaceutical industry: In the pharmaceutical industry, sifters are often used to screen and grade pharmaceutical raw materials to ensure the quality of pharmaceutical preparations.
4. Building materials industry: powdery raw materials in building materials industry need to be controlled and graded by sifting machine to meet the requirements of building materials.
Application scenario
5. Metallurgical industry: Ores and metallurgical powders in the metallurgical industry, such as iron ore, aluminum powder, etc., usually need to be screened and graded by sifting machine.
6. Mining industry: The ore and sand in the mining industry need to be sifter for particle size control and classification in order to carry out subsequent beneficiation operations.
7. Textile industry: fibers and textile auxiliary materials in the textile industry, such as cellulose fibers, dyes and pigments, need to be screened and graded by sifting machine.
In general, the sifter is an important powder treatment equipment, which can improve production efficiency, ensure product quality, achieve particle size control and classification of materials, and is widely used in powder treatment and production process in various industries.
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