The flow rate of liquid on the surface of nylon filter cloth directly affects the filtration efficiency

The liquid may flow in two states on the surface of the filter cloth, either laminar or turbulent. In laminar flow, the liquid flows in a steady manner, and particles can smoothly enter the pores of the filter cloth along the streamline, which contributes to a uniform filtration effect. However, in a turbulent state, the liquid flow is unstable and eddies are formed, which not only increases the probability of particle resuspension, but may also cause backflow of unfiltered liquid, reducing the overall filtration efficiency. When designing a filtration system, it is crucial to control the flow rate to avoid the occurrence of turbulence.
The viscosity of the liquid is particularly evident under the influence of flow velocity. Higher viscosity increases the resistance to flow, causing the liquid to flow slowly on the surface of the filter cloth, which may cause the accumulation of liquid on the surface of the filter cloth. This accumulation may reduce the filtration efficiency of the filter cloth at a certain moment. Optimizing the flow rate to adapt to the viscosity characteristics of the liquid can effectively improve the filtration efficiency.
The characteristics of the particles in the liquid, such as particle size, density and shape, also affect the effect of flow velocity on filtration efficiency. Larger or heavier particles are more likely to be impacted and resuspended in fast flow, while smaller particles may not be captured by the filter cloth due to insufficient flow velocity. In practical applications, the flow velocity needs to be adjusted according to the composition of the liquid and the characteristics of the particles to ensure efficient filtration.
The pore size, thickness and structural design of the nylon filter cloth are also important factors affecting the relationship between flow velocity and filtration efficiency. The appropriate pore size design can ensure effective capture of particles while ensuring the flow velocity. Therefore, when selecting filter cloth, designers should comprehensively consider the flow characteristics of the liquid to optimize the filtration effect.