Rotary Vibrating Screen and Direct Discharge Screen
Author: Winner Group Time: 2023-02-23
Rotary vibrating screen and direct discharge screen are screening equipment for fine materials, also light or small screening equipment. Because both can be used in food processing and other industries, for food processing enterprises, there will be a question inevitably when choosing: which device is more suitable to choose?
Now, screening experts - Henan Winner Vibrating Equipment Co., Ltd will give you a comparison, hoping to help you make a better choice.
First, let's take a brief look at the two devices.
The rotary vibrating screen is also called the three dimension vibrating screen. While direct discharge screen is also called direct discharge vibrating screen.
For the rotary vibrating screen, the exciting vibration source is a vertical vibrating motor, whose upper and lower ends are mounted with an eccentric weight respectively. By adjusting the phase angle of the two eccentric weights, the rotational motion of the vibrating motor has been transformed into three-dimensional motion in horizontal, vertical and oblique directions, which will be transferred to the screen mesh through mechanical connection, making the material do the outward diffusion movement in the form of involute curve on the screen mesh.
For direct discharge screen, there are two kinds of structure, single vibration source and double vibration source. For the structure of single vibration source, there is not automatic discharge function. While the structure of double vibration source has this function. By means of the crossing angle between two vibrating motors and the phase angle of two eccentric weights at the upper and lower ends of the rotating shaft of each vibration motor, direct discharge screen with double vibration source function, transforms the rotational motion of the vibration motor into horizontal, vertical, oblique and centrifugal motion, which is passed to the screen mesh to achieve the purpose of screening.
After knowing the basic knowledge of these two devices, Henan Winner Vibrating Equipment Co., Ltd will be with you to make a comparison of their applications and design features:
Because the rotary vibrating screen is equipped with net cleaning device of bouncing ball, it can screen powder less than 400 mesh and slurry material less than 800 mesh effectively, while direct discharge screen is designed to remove impurities from material, separating foreign bodies from raw materials such as flour, starch, and milk powder. At the bottom of the screen box, there is a large flow outlet of discharging with directly dumping, screening directly, also conveniently and fast feeding. Generally screening materials below 80 mesh, so there is no need for net cleaning device, and the output is 2 to 5 times as much as that of rotary vibrating sieve of equivalent specification.
Please select the appropriate equipment according to these data and equipment characteristics. If any questions, please contact Henan Winner Vibrating Equipment Co., Ltd. and professional services will be provided to you.
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