Rotary filter screen

The rotary filter screen is an indispensable water filtering and cleaning equipment in the surface water intake channel of power plants. It is used in conjunction with the upstream trash rack, which can effectively intercept and remove pollutants such as water plants, leaves, numerical values, and residues carried in the water. It also removes the waste generated during the process of industrial, agricultural, and urban sewage disposal, ensuring the safe and economic operation of the power plant. In recent years, this equipment has also been increasingly used in urban water supply, chemical engineering, metallurgy, and urban sewage treatment projects.
1. The rotary filter can be divided into front inlet and side inlet types according to the water inlet method. The front inlet type rotary net has a simple civil structure and good water flow status, but the dirt carried by the rotary net can easily spill into the water purification area if it is not washed clean; The civil structure of the side inlet spiral mesh is complex and prone to turbulence, but the dirt carried by the spiral mesh will not enter the water purification area. Side water inflow can be divided into two types: internal water inflow and external water inflow.
Rotary filter inlet method
2. Rotary filters can be divided into framed rotary screens and frameless rotary screens according to their own structure. The frame rotating mesh is easy to replace and maintain, and the cost is high; The cost of frameless rotary mesh is relatively low, but it is difficult to replace and maintain.
3. The structure of the rotary filter screen can be divided into flat mesh and curved mesh. The standard mesh type is flat mesh, and the curved mesh (diamond mesh) is only suitable for the side inlet and inner inlet types. Overflow nets generally use steel wire woven nets or punched nets.
4. The rotary filter screen is divided into sprocket drive and worm gear worm drive according to the transmission form. Chain wheel drive is widely used due to its hard tooth surface meshing.
5. The sealing between the mesh plates adopts an advanced circular arc meshing mechanical self sealing structure, which has good stiffness, strong load-bearing capacity, and low maintenance.
6. The equipment has dual mechanical and electrical overload protection and chain extension alarm functions.
7. The equipment can be manually started and operated, or can be controlled by a program to automatically put into operation based on the water level difference between the front and back of the network or at a fixed time.