Working principle

The working principle of the shaftless drum screen is to drive the screen drum to rotate through the driving device, so that the material is screened and sieved on the screen. Since the aperture of the screen determines the separation of qualified and unqualified materials, large particles cannot pass through the screen with a small aperture, while small particles can pass through the screen with a large aperture. The purpose of separation is achieved by adjusting the aperture size of the screen.

Features

1. The drum sand screen has wide material adaptability: the rotary screen is widely used in the screening of various materials, whether it is coal slime, wood chips, straw, biochemical waste and other materials.

2. The feeding method of the drum sand screen is simple and diverse: the feed port of the shaftless roller screen can be designed according to the actual situation on site. Whether it is a belt, auger, funnel or other feeding methods, it can be fed smoothly without taking special measures.

3. The drum screen has high screening efficiency: the space cavity is large, with a spiral guide plate, and the material is discharged quickly.

4. The drum screen has a large screening amount. Easy to scale up: Under the same size, the circular area is larger than other shapes, and the effective screening area is large, so that the material can fully contact the screen, and the screening amount per unit time is large. Due to its simple structure, convenient layout, novel technology, and mature characteristics, it is easy to scale up.

5. Low energy consumption: The motor power of the screen body rotary screen is small, which is half to one-third of other screening types. Processing the same amount of material, the running time is only half of other screening types, and the energy consumption is low.

6. Good working environment: The entire screen drum is sealed with a sealed isolation cover to completely remove dust flying and block splashing during the screening cycle to avoid pollution to the working environment.

7. Low equipment noise: When the rotary screen is running, due to the low rotation speed, the roller uses a solid rubber tire; the sealed isolation cover is isolated from the outside world, and the noise cannot be transmitted to the outside, reducing the equipment noise.

8. Long service life and low maintenance: The rotary screen is composed of multiple ring nets, and the total screen area is much larger than the other screen areas. The screening efficiency is high, the equipment operation time is short, the service life is long, and there are few wearing parts. Low maintenance.

9. Convenient maintenance: The equipment sealing isolation cover is detachable, and the normal operation of the machine is not affected after disassembly, making maintenance very convenient.

10. Performance advantages of shaftless drum screen The drum screen machine can be equipped with a combing mechanism (wire drum brush) (optional, generally used for sticky materials). During the screening process, the relative movement of the combing mechanism and the screen drum can achieve the effect of uninterrupted cleaning of the screen drum, so that the screen drum is always kept clean during the entire working process. Non-sticky. Non-blocking. Does not affect the screening effect. During use, the operation is slow and uniform, and the impact vibration is small. The work is stable.

11. The installation is simple, and sometimes even no special foundation is required. It can be placed directly on the flat ground or floor, or it can be placed under the material warehouse. The machine is easy to seal and remove dust. The maintenance is small. Simple maintenance. Long service life.