The cleaning of the well suggests an underground repair in order to restore its destination - uninterrupted supply of water of the economy. But even well-well professionals cannot immediately determine which method to apply to restore the well due to the lack of information about the causes of what happened. It is necessary to apply several ways alternately, and the results of the manipulation takes the final decision.
1
Pour water from the problem well to the jar and check the presence of precipitate. The absence of a sediment shows that the well filter is not clogged, and the explicit presence of sand speaks of its damage and brazing the well. Clean the well from the garbage during casing can be in several ways.
2
Manual cleaning is performed using a ventilation to fit the pipe from a pipe with a length of about 3 m with a baking powder and a check valve. The cord is tied to the pipe and attached to the winch. The diameter of the ventilation is slightly smaller than the diameter of the casing.
3
Lower the device in the well and lift with garbage and water. Repeat the operation repeatedly. After cleaning, throw back the dirty water by an ordinary pump until it is clean. After a day, check the debit of water. If the number of arriving water did not increase, it should be cleaned with a well filter.
4
It is convenient to pump water with sand, sludge and small garbage with the help of a specialized pump capable of pumping sand, or an associate car. To do this, the hole is lowered a pin or a trident on the cord and the bottom of the well. Disadvantage - it is impossible to remove the compacted garbage.
5
Flushing consists in supplying water under high pressure in the well. The jet is blurring the overlays that come out independently through the casing.
6
Two pumps are also used for cleaning. The first gives water under the high pressure to the cleaning place that blurs the deposits. The second pump is pumped up polluted water. The method requires a significant amount of pure water.
7
After cleaning, it is recommended to conduct well research and find the cause of trouble. Invite a specialist with a deep-water video camera and inspect the casing for tightness, nature and intensity of water intake. This method will help unmistakably identify well and determine which method is allowed to clean the well filter. The safest is the mechanical method. To work, use the special metal eurs, scoring overlay from the filter.
8
A chemical method is also safe, in which a chemical reagent (hydrochloric acid, sodium bisulfate) is poured into the well, dissolving minerals that appeared on the filter. For the right choice of reagent, make water analysis. The reagents are harmless and used in the food industry, but the taste of water will change significantly.
9
If the casing and filter is satisfactory condition, impulse methods that create a shock wave can be used to clean the filter. To create it, an electro-hydraulic blow, pneumatic visor and other sources are used. Instant pressure drop rolls colmatant, closing water access to the well or stuck on the filter.
10
The vibration method of cleaning has proven well. It is applied to wells made in clay soils. A vibration installation is used as a working tool that goes into the well. The device will clean the filter from the overlap, after which it is necessary to roll out dirty water with impurities.
No guarantees for repair of well gives no one. If the problem is periodically repeated, it is more economical to drill a new one.
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