In most cases water supply of giving is carried out by means of the wells allowing to take away water from water-bearing interbedded strata. Such water has high quality. But before beginning to use recently drilled well, it is necessary to perform number of important procedures among which and its swing.
It is required to you
- - air lift;
- - power supply network;
- - gravel;
- - cup;
- - screen pipes;
- - water.
Instruction
1. The swing or as it is called still, razglinization is carried out by three methods: hydromechanical (it, by the way, the main), chemical and physical. The last two methods are used as additional: that is thanks to their realization along with the main method time spent on well swing is considerably reduced.
2. Execute well swing by suction of clay crust working surface of the filter. This way is effective for those wells which open the water-bearing pressure head horizons provided by slabotreshchinovy breeds and fine sand. Begin with pumping with air lift. At the same time the height of water has to be so lowered that all slime was completely washed up. Submerge water lifting pipes of the pump in settler.
3. Make well swing by means of suction of clay crust through special opening in filter settler. The air lift used at the same time has to differ in high performance. During this operation the big sandy stopper which can be removed either by washing, or by means of the return pumping of air lift is formed. After swing fill up opening in settler with gravel.
4. If there is no water for washing, the swing can be executed by zhelonirovaniye and pumping by air lift. To the well lower screen pipes (at half-meter height from the pump attach cup) and start zhelonirovaniye. Upon termination of this operation clean settler from sand.