RU145347U1 - OBSERVING SELF-WATERING WELL HEAD - Google Patents

Abstract

The head of the observation self-flowing well for fresh underground water fields, containing a flange plug with a hole, a vertical steel pipe with an external thread, a steel cover with an internal thread and a seal, a steel tap, a ball valve, characterized in that the tip is equipped with a tee with an internal thread for connecting a manometer and air valve; steel bend, vertical steel pipe for connecting the air valve, air valve, protective steel casing with a flange, while the steel casing is connected to the head with a bolted connection.

Description

The utility model relates to equipment installed on observation self-flowing wells of fresh underground water deposits for measuring piezometric levels, water temperature, and also for sampling water for chemical analysis.

Known sealed head for production wells of drinking groundwater deposits [1, p. 484, fig. XVI - 49], including: an elbow made of pipes 1; one valve 2; plunger 3; drainage 4. The design of the head is shown in figure 1.

This heading has the following disadvantages:

- the high cost of shut-off valves;

- inconvenience of operation when sampling water;

it is impossible to ensure trouble-free operation of the head in unguarded territories;

- impossible to measure piezometric levels.

Closest to the proposed device is the head of the observation well with a variable static level [2, Utility Model Patent No. 139332]. The design of the head is shown in Figure 2. The head of the observation well with a variable static level contains: a flange plug with a hole 1; vertical steel pipe with external thread 2; steel cover with internal thread 3; steel branch 4; ball valve 5; adapter for sampling water and connecting a pressure gauge 6.

This heading has the following disadvantages:

- it is impossible to conduct round-the-clock measurements of piezometric levels at observation wells, necessary to determine the nature of the relationship between water levels and volumes of underground water production during field operation

- there is no protective cover for measuring instruments (anti-vandal protection).

The technical result of the proposed tip is to improve the quality of the hydrogeological measurements; increasing the reliability of operation of the head in unguarded territories; round-the-clock measurements of water levels in the well.

The technical result is achieved by the fact that the proposed head of the observation self-flowing well for fresh groundwater deposits, containing a flange plug with a hole, a vertical steel pipe with an external thread, a steel cover with an internal thread and a seal, a steel tap, a ball valve, is equipped with a tee with an internal thread for connecting the manometer and air valve, steel branch, vertical steel pipe for connecting the air valve, air valve, protective steel skin ear with a flange, while the steel casing is connected to the head with a bolted connection.

A general view of the design of the proposed head is shown in Figure 3. The head contains: a flange plug with a hole (1), a vertical steel pipe with an external thread (2), a steel cover with an internal thread and seal (3), a steel tap (4), a ball valve (5) tee with internal thread for connecting the pressure gauge and air valve (6); steel branch (7), vertical steel pipe for connecting the air valve (8), air valve (9), protective steel casing with a flange (10).

Figure 4 shows that the connection of the plug with the hole 1 and the protective casing 10 is carried out using a bolted connection 11.

The operation of the head is as follows:

To mount a digital manometer with an archiver of measurement results on the top of the well, perform the following operations:

- unscrew the bolt connection 11 and remove the protective casing 10;

- fully open the ball valve 5, attached to the steel branch 4 and for a predetermined time, discharge water from the well until it is completely clarified, then close the ball valve 5;

- a tee 6 is screwed into the ball valve 5, while a steel branch 7, a vertical steel pipe 8 and an air valve 9 are attached to the tee;

- a digital pressure gauge is screwed into the tee 6 and the ball valve 5 is completely opened, while the air valve 9 releases air from the tee 6 and ensures uninterrupted operation of the manometer.

- establish a protective casing 10 and fasten to the head bolt connection 11.

Temperature measurement and water sampling for chemical analysis are performed as follows:

- unscrew the bolt connection 11 and remove the protective casing 10;

- close the ball valve 5 and unscrew the steel pipe 7 together with the vertical steel pipe 8 and the air valve 9;

- an adapter for sampling water is screwed into tee 6;

- open the ball valve 5 and for a predetermined time discharge water from the well until it is completely clarified, then take water samples for chemical analysis and measure its temperature;

- close the ball valve 5 and unscrew the adapter for sampling water, then screw the steel outlet 7 together with the vertical steel pipe 8 and the air valve 9;

- open the ball valve 5;

- establish a protective casing 10 and fasten to the head bolt connection 11.

The proposed device is advisable to use for observation wells of fresh underground water deposits located in unprotected areas.

Information sources:

1. Handbook of drilling and equipment for water wells / Under the general. ed. V.V. Dubrovsky / Second ed., Revised. and add. - M .: Publishing house "Nedra". - 1972. - S. 484. - Fig. XVI - 49.

2. Patent for utility model No. 139322. The head of the observation well with a variable static level. Opryshko B.A., Shvetsov V.A., Petrenko O.E., Belavina O.A. - 2014.

Claims (1)

The head of the observation self-flowing well for fresh underground water fields, containing a flange plug with a hole, a vertical steel pipe with an external thread, a steel cover with an internal thread and a seal, a steel tap, a ball valve, characterized in that the tip is equipped with a tee with an internal thread for connecting a manometer and air valve; steel bend, vertical steel pipe for connecting the air valve, air valve, protective steel casing with a flange, while the steel casing is connected to the head with a bolt connection.