How does a vibrating screen work?

In industries such as mining, building materials, chemicals, and energy, material screening is an indispensable and important part of the production process. Vibrating screens, as equipment widely used in modern screening processes, have become the first choice of many companies due to their advantages such as high screening efficiency, strong processing capacity, and simple structure. So, how does a vibrating screen work? The following is a detailed explanation for you.

1. Working principle of vibrating screens

The core of the vibrating screen lies in "vibration". When the equipment is running, the excitation force is generated by a vibrating motor or exciter to make the screen box vibrate periodically. The material is subjected to the vibration force on the screen surface of the vibrating screen. On the one hand, it is thrown up and jumps, and on the other hand, it is pushed forward during the jumping process, thereby realizing the classification and screening of particles.

Finer particles pass through the sieve holes during the movement and become undersize, while larger particles are discharged along the screen surface to achieve the purpose of separation by particle size.

2. Main working process of vibrating screen

1. Feeding

The material to be screened enters the feed port of the vibrating screen evenly, usually in conjunction with a feeder to ensure uniform material distribution and avoid local overload.

2. Screening process

The vibrating screen vibrates rapidly under the action of vibration force, and the material jumps and moves on the screen surface. Fine particles pass through the screen holes, and large particles gradually move along the screen surface to the discharge end.

3. Grading discharge

According to the number of layers and aperture size of the screen, the material is divided into finished products of different particle sizes, which are discharged from their respective discharge ports for subsequent processing or direct use.

3. Classification and working characteristics of vibrating screens

According to different excitation methods, vibrating screens are mainly divided into the following categories:

- Circular vibrating screen

The track of the screen box is circular, which is suitable for screening medium and coarse particles. It is widely used in grading operations after sand and gravel aggregates and mine crushing.

- Linear vibrating screen

The screen box track is a straight line, which is suitable for screening fine particles and light materials, such as coal, fertilizer, grain, etc., with high screening efficiency and large processing capacity.

- Ultrasonic vibrating screen

An ultrasonic system is installed on the basis of ordinary vibrating screen, which is particularly suitable for screening of micro-powder and ultra-fine powder materials, improving screening accuracy and preventing clogging.

4. Advantages of vibrating screen

- High screening efficiency

High vibration frequency, good material dispersion effect, and more thorough screening.

- Wide application range

Different types and specifications can be selected according to different material characteristics to meet the needs of multiple industries.

- Simple maintenance

Reasonable structure, easy replacement of wearing parts, stable and reliable equipment operation.

- Low energy consumption

Compared with traditional screening equipment, vibrating screen has high energy efficiency ratio and low operating cost.

The vibrating screen drives the material through mechanical vibration to achieve efficient screening, which not only improves production efficiency but also ensures product quality. Whether it is coarse particle screening or fine powder classification, the vibrating screen can play an excellent role and is an indispensable and important equipment in modern industrial production. If you are looking for an efficient and durable screening equipment, the vibrating screen is undoubtedly a trustworthy choice.

EPIC is a professional Vibrating Screen manufacturer and supplier in China, you can rest assured to buy Vibrating Screen from our factory and we will offer you the best after-sale service and timely delivery.You are welcome to buy our high quality products.Visit our website at www.epicminingmach.com to learn more about our products. For inquiries, you can reach us at info@epicminingmach.com.