How to choose filters for a well for water

Filters for water purification are used not only in autonomous water supply systems. The quality of water flowing through the central water supply networks is increasingly causing complaints from consumers. Impurities, organic compounds, chemical elements negatively affect health. But if, when using centralized water supply, a consumer can carry out cleaning exclusively at the final stage, then when using autonomous systems (wells, wells), cleaning can be carried out comprehensively.

When drilling and equipping the well, specialists are obliged to offer the best design option for the filters that need to be installed. But in practice, the main indicator on which they rely is the absence of visually observed impurities. It also happens that the choice of the necessary design is transferred to the owner of the well. Therefore, it is necessary, at least in general terms, to imagine what type of filter will be optimal in a particular situation.

Types of filters

All used filters can be divided into two groups.

Coarse Filters

Perforated, slotted, mesh mainly used for pre-filtering (purification) of water coming from an aquifer.

Mounted directly into the well to prevent contaminants from entering the water intake system (pipes, pumping equipment).

Fine filters.

These filters are necessary use to remove water soluble chemical compounds (hydrogen sulfide, chlorine, iron, manganese salts, lime), which negatively affect the taste of water, and can adversely affect health.

Important! Any well should be equipped with an additional natural filter from natural materials of various fractions (sand, gravel, crushed stone).

This material is poured after lowering the casing into the well. Located between the wall of the well and the outer surface of the casing.

Filter selection

When deciding how to choose a specific design of water treatment systems, one should focus on certain nuances.

Effect of locality of choice

For the selection of pre-filters, the main indicators that you should pay attention to are hydrogeological characteristics of the rocks at the location of the well.

The choice is made depending on the fractional composition of the rocks entering the well with water.

For finer purification, it will be necessary to obtain an expert opinion on the chemical composition of water.

Important! Sampling is carried out after pumping the well in a volume of not 10 m³.

The chemical composition of water is influenced by several factors..

These include:

  • characteristics of the constituent rocks;
  • the presence of objects near the well that can affect the chemical composition of soils (industrial enterprises, landfills).

Filter height determination

The water filter installed directly in the well may be a separate element installed in the lower part of the pipes. And can also be performed on the pipe itself. And in fact, and in another case it is necessary to calculate the height of the filter element.

reference. The height of the filter element is usually taken from the calculation of the estimated daily debit and the thickness of the aquifer. It is determined in the process of drilling a well.

The structure should always be located between the bottom of the aquifer and the water level (in the lower third).

Overview of filters produced by different companies

Consider filters of manufacturers, domestic or foreign, is based on several parameters. These include the cost of the product, the complexity of installation and maintenance, the availability of components and warranty periods of operation.

AQUAFOR

AKVAFOR products are manufactured in various designs.

Storage (jugs, dispensers) are equipped with replaceable cartridges. The devices are convenient and mobile, but do not provide large bandwidth.

Flow-type constructions are capable of ensuring an uninterrupted process of cleaning from the smallest impurities and through the use of replaceable cartridges. And also able to get rid of most harmful chemical elements.

FIBOS

The FIBOS water purification systems (PREMIUM, MINI, FIBOS1) of the flow type are distinguished by high productivity. They are made using modern high-tech materials for use as cleaning elements (fiberglass coated wire).

Fully autonomous, equipped with automatic flushing drives, I do not require replacement of cartridges for a long time (up to 10 years).

"ZEPTER"

produces exclusively high-tech equipment. The proposed models are flow-through multi-stage filtration systems with an automated (electronic) system for adjusting the control of water supply and purification.

Distinctive features are complete safety during operation (leakage protection, indication of the need to replace the filter element).

Watch the video: How to Choose a Water Filter. Ask This Old House (March 2024).

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