Why does water come with air from the well and how to fix this problem

An autonomous water supply system from a well in a country house or at a summer cottage allows you to solve many problems. Firstly, to make your stay in nature comfortable, and secondly, to grow a rich harvest, since the regularity of watering will cease to be a problem. Having many advantages, a pumping station requires not only proper installation, equipping with a filtration system, but also regular flushing and preventive procedures. A common phenomenon: the supply of water from a source together with air.

Reasons for the appearance of air in a water well

As a rule, households who use small volumes of water from a source or with seasonal use of pumping equipment face the problem of air entering the water. This phenomenon can be caused by the following system problems:

• The suction of the air mass at the water intake point is out of order. The problem will not be solved until the pipeline is completely replaced with all the necessary parts. It is easy to make sure that it is working properly - just pump water in a pipeline, for example, in a bathroom.
• Breakdown of the pumping equipment itself due to irregular or poor-quality maintenance. Air bubbles form as a result of a flimsy gland packing. The solution to the problem is to disassemble the workstation of the station and fix the breakdown.
• Insufficient level of filling the well with a large pumping out. Drilling a new well, purchasing a less powerful pump, reducing the volume of water used can solve the problem. However, when drilling a new well, it is important not to reach the same aquifer, where the likelihood of airing the system again is very high.

If the water from the well comes in jerks and with air, detailed technical diagnostics are required to establish the exact cause. The principle of operation of hydraulic and electrical systems is the same. If at home it is not possible to perform an operation, it is better to give the pumping equipment to a service center.

Cavitation and its elimination

As practice shows, cavitation is the most common problem faced by owners of household plots with an autonomous water supply system.

The reason for the appearance of cavitation is incorrectly selected pumping equipment. Water devices are selected taking into account the diameter of the well. For sizes less than 100 mm, plunger or circular models are suitable, 100 mm or more - submersible.

Cavitation is a violation of the density of the water column, in other words, filling the pipeline with air bubbles. Formed in areas with reduced pressure at the critical point. The phenomenon is accompanied by the formation of a void in the pipeline, bubble formations formed as a result of the interaction of gases and vapors released by well water.

It is not always possible to calculate the faulty section on your own, since special equipment is required. It is also worth adding that this site may be unstable. If you do not take action, the consequences will hit your pocket - dynamic effects on the flow and vibration will lead to breakdown of the pumping equipment.

To reduce the likelihood of a problem developing, you need to select the right water pumps, taking into account the volume of water consumed and the technical characteristics of the well.

To get rid of such an unpleasant phenomenon as the appearance of air in water, you need to consider the main ways to solve the problem:

• Replace the small diameter branch pipe with the large diameter branch pipe.
• Install the pumping equipment closer to the storage tank.When transporting the pump, it is important to take into account the established standards: the interval between the tank and the pump must be at least 5 diameters of the suction pipe.
• Replace the gate valve with a gate valve and remove the check valve. To reduce the pressure in the pipeline, the pipe is replaced with a smooth one.
• There should not be many bends in the suction pipe. To solve the problem, you need to replace the small radius bends with large ones or simply reduce them. At the design stage of an autonomous water supply system, it is recommended to place all bends in one plane and use flexible pipes, rather than rigid ones.

The problem of air bubbles entering well water is common. To many, the problem may seem uncritical, but its prolonged non-elimination will inevitably lead to the disabling of the pumping station. If you cannot correct the situation on your own, you need to contact a specialist.