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Jan 12, 2026

Mechanical Filter Purifier Usage Tips

Mechanical filtration purifier is a device that removes impurities from water through physical filtration, and its core lies in "forward wash filtration and backwash regeneration".

Core usage tips: Regular backwashing to restore filtration capacity: This is the most critical part of mechanical filter maintenance. With use, the filter media will trap a large amount of impurities, resulting in slower water flow and increased turbidity of the effluent. Backwashing must be carried out at this time, i.e. the water flow is flushed in the opposite direction (from the bottom up) to flush out the impurities and expel them. The backwash frequency depends on the quality of the raw water:
Domestic water (e.g., household, rural well water): It is generally recommended to backwash every 1-2 weeks.

Industrial water (e.g., factory pretreatment): When the water quality is poor, daily backwashing may be required

Choose the right filter media according to water quality: Different types of mechanical filters are good at handling different impurities. Improper selection can affect the effect.

Remove sediment, rust, and reduce turbidity: quartz sand filters are the first choice.

To remove residual chlorine, odor, and organic matter: an activated carbon filter should be selected.

The water quality is complex, with large particles and colloidal impurities: it is recommended to use a multi-media filter (quartz sand + anthracite + magnetite combination).

Small water volume, frequent replacement of filter materials: bag filters can be considered

Timely replacement of consumables: Although the filter media itself is durable, some materials will become saturated and fail.

Activated carbon: The adsorption capacity is limited, and it generally needs to be replaced after 1-2 years of use, otherwise the adsorbed impurities may be released

Filter bag (bag filter): When the pressure difference increases or the filtration effect decreases, you can directly replace the filter bag with a new one.

Pretreatment and Combination: For scenarios with poor or demanding water quality, a single filter may not be sufficient.
 

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