rotary drum screen is an efficient equipment for solid-liquid separation, widely used in various fields such as industrial wastewater treatment, environmental water treatment, food production, etc. Its working principle is to introduce the water to be treated from the water pipe into the drum body, and after a brief stable flow, it evenly overflows from the outlet and is distributed on the filter screen of the rotating filter cartridge in the opposite direction. The water flow generates relative shear motion with the inner wall of the filter cartridge, efficiently intercepting and separating solid matter. It rolls along the spiral guide plate inside the cartridge and is discharged from the other end of the filter cartridge, while the filtered water is discharged from the gap of the mesh tube.

The structural characteristics of the internal inflow microfilter include the drum body, filter screen, spiral guide plate, inlet and outlet, and transmission system. It has the following performance advantages:

Efficient solid-liquid separation: Through the interception effect of the filter cartridge filter, efficient solid-liquid separation is achieved to improve water quality.

Large processing capacity: The equipment is designed reasonably and can handle a large amount of liquids with low solid content, meeting the needs of large-scale production.

Easy to operate: The device has a compact structure, is easy to operate, and is easy to maintain and upkeep.

Energy saving and environmental protection: No additional power consumption is required, and the noise during operation is low, resulting in minimal environmental pollution.

The main parameters of an internal flow microfilter include mesh size, mesh size, removal rate, and external dimensions. For example, the device model WLN-600 has a mesh tube size of 600mm and a mesh size of 0.5-2mm, which can remove 95% of solid particles with a particle size greater than 0.75mm and 55% of solid particles with a particle size greater than 0.37mm.

In terms of maintenance and upkeep, it is necessary to regularly check the operating status of the equipment, clean the filter screen, lubricate the transmission components, and pay attention to electrical safety to ensure the normal operation of the equipment and extend its service life.

 

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