SU61144A1 - Device for sampling water in the ground - Google Patents

Description

There are already known devices that serve for:) A series of water samples, made in the form of a hollow center,: with a flap valve, with the clan being controlled by the action of a rod passed through the FLOORS stem of the Norse and Fate;:.

In the proposed NPA of such Tina, the clanan is fixed on the rod itself and the piston is siabje; bore holes l; n. The TriKoe device allows it to use the device to take samples not only of water, but also of the soil, and in the case of taking water samples below the groundwater level of the nrob, it is not replaced with water from the water horizons.

The drawing shows in partial section of the general view of the device.

The device is composed of a ni yttangn -i, at the lower end of which is mounted the kit.tnak 7., tpak has a thread into which the tsnliidr / instrument is inserted. The cylinder is exposed and its edge is sharpened: the outlet of the necKo.ihKo is the inside of the inner cylinder of the cylinder in the rest of it.

Inside the cylinder and the stapler freely passes the pipe 4.

The lower end of the rod bears Jersey 1, and the upper shaft) - the bracket} 2, on which the double-arm 8 is fixed.

Inside the stem, Iomei 5. iorynuiii is mixed upwards and downwards with the help lever 8. The stowage Y fixes this movement.

The lower end of the rod also passes through the hole in the nopnJHC and ends with a flap 6.

The piston 2 is made in the form of a hollow cylinder; There are a number of holes in the top and bottom of it. The side surface of the piston is skinned for a more snug fit to the walls of the inlinder.

№ 61144- 2 In the inner side of the valve 6 (adjacent to the nonshire) 11L1eets rubber pad. When the rod is pushed upward, the valve presses the rubber pad against the lower openings of the lip and seals them hermetically.

The clamping device 10 serves to fix the device at a certain depth in the soil.

Before taking a sample, the tightly closed piston should be emptied until it is prevented by the inlet and secured in this position (it cannot get out of the cylinder, since the tick, the pointed part of the cylinder is narrowed). In this form, the device is lowered into the well drilled to the desired depth by an ordinary burol.

When the piston and the lower end of the cylinder reach the bottom of the well, the clamping rod is lowered by pressing the rod (for light soils) or by hitting the hammer on the tree resting on the upper edge of the rod, the cylinder is immersed in the soil, the column of which this enters the cylinder. In order to reduce the volume of this column against the walls of the cylinder, the lower end of the latter is narrowed.

When a soil sample is taken after immersion to the required depth of the cylinder, the piston is closed and the device is pulled out of the wells. Pz of the cylinder, the sample is ejected by the piston. From the upper and lower ends of the sample, which are in contact with the water of the wells, the layer of a thick layer is removed.

To take a sample of groundwater using the method described above, the cylinder is loaded into the soil 2.5-3 cm with a sample of water in volumes of 100-150 og and pa 6-8 ate: while taking a sample of 500-600 cm After This staple is kept in this position, and the piston behind P1tok is pulled up to the full and fixed. An airless space is formed under the piston, into which groundwater rushes out of the ground and within a minute or so it fills it. The air blown out of the cylinder when the piston is lifted upwards in the cap has an ejection pipe //., The continuation of which is the firebox, along which the rubber tube encircles the rod and ends at its upper end.

After 3-30 minutes (depending on the water, the soil's abatement capacity) after the piston tip, the latter opens (release the stop 9 and turn the lever knob S away from the device). In this case, the piston valve moves 2-3 mm downward from the lower edge of the piston and flows down to the group column. In this case, the water collected from under the pipe passes through it to the upper part of the cylinder (above the piston).

After that, close the nopnienb pado, remove the device from the well, remove the cylinder from dirt and, after opening the nopnienb, drain the probes.

P) edept.db.

A device for sampling water in a group, made in the form of a cylinder with a piston, controlled by a hollow rod, and equipped with a valve, controlled independently of the piston by means of a rod, freely passing inside the rod; This is due to the fact that, with the use of the instrument for sampling both water and soil, the valve is mounted at the end of the rod, and the porn is provided with through-holes.