The work of the filter mainly relies on physical or chemical means to achieve effective separation of impurities in the fluid through a series of mechanisms such as interception, adsorption, condensation and sedimentation. The basic working principle consists of the following steps:
1.Intercept
When the fluid passes through the filter medium, the physical barrier acts to trap the solid particles on the surface of the medium.
2. Adsorption of the filter
Using the chemical properties of the surface of the filter medium, the harmful substances are adsorbed on the medium.
3. Cohesion of the filter
By adding coagulant, the small particles are aggregated into large particles, which is easy to filter.
4. Settle
The gravity effect makes the particles settle inside the filter medium to achieve separation.