SU40920A1 - Apparatus for lifting fluid from a well with compressed air according to the airlift principle - Google Patents

Description

In the proposed apparatus for raising the fluid from the well with compressed air according to the airlift principle, a tubular valve is installed in the coupling connecting the suction and discharge pipes, screwed into the compressed air supply tube and, when the latter lifts, informs the tube with compressed air; The compressed air is fed into the casing by a needle valve which is placed in the tubular valve while lifting the compressed air supply pipe. To lift the latter, a device is used consisting of a tank with a float carrying a brush, hinged to a lever, which, when swung, raises and lowers the air-pressure pipe, balanced by the load. The tank is periodically filled with water that flows continuously into the upper tank with two valves that are opened by the float when it is lifted to empty the tank through the siphon.

In FIG. 1-4 depict a vertical section of the apparatus proposed at various valve positions; FIG. 5 shows a section along AB in FIG. one; FIG. b-section along the line in FIG. 2 and FIG. 7 is a vertical sectional view of a device for raising the air tube.

The proposed apparatus consists of the following parts: a receiving tube / with valve 2, a receiving tube 8 with a clap (21)

pan 7, discharge pipe 3 with the seal 9, air pipe 4 with air distribution valves 5, 5a and b; in fig. 1 depicts the apparatus assembled in a position where the compressed air is injected through pipe 4 through the open valve 5 through the channels and through the opening in enters the pipe / and produces pressure on the surface of the liquid in the pipe 7; under. air pressure fluid through the valve 7 and the window dd enters the pipe 3.

FIG. 2 together with the air tube 4, the valve 6 is raised so that the valve 5a remains at the same place, after which the compressed air through the channels a v b gets into the discharge pipe J, picks up the liquid in it and throws out through the tee W her to the surface of the earth.

After the liquid has reached the surface of the earth through tee 19 (Fig. 4), the air tube is raised together with valve 5 so that valve 5 sits on its seat in valve 6 and valve 5 (7 pushes from its nest. At this position, the remaining c in the discharge pipe 3 is locked by the cylindrical part of the valve 5a, and the air from the pipe / through the holes in through the sockets of the valve 5a and the holes r, g goes outside of the pipe 7, as a result

the fluid present in the squelch flows through the valve 2 into the pipe / and the receiving pipe 8. This ends the process, the air line returns to its original position in FIG. 1, and the process is repeated.

If the apparatus is lowered into a well with a high column of fluid, then it acts according to fig. 2, as airlift. When the fluid column has fallen and the airlift has ceased to operate, the vehicle is brought to the position shown in FIG. 1, and begins to act as described above.

The lifting of the pipe 4 is carried out using the tool shown in FIG. 7 and consisting of an outer tank 75, inside of which a tank 16 and a float 24 with a brush 2 / are attached by slats 9. The rod 21 by the hinge 22 is connected to the lever J2 - T3 with weights 25 and 20 at the ends supported on the bracket 14 and pivotally connected to the pipe 4. The latter is balanced by the counterweight 26. In the bottom of the tank 16 there are valves 19 with rods 19, and in the bottom tank 15 - drain pipe 28 and locking bolts 27. At the bottom of the tank 15 is equipped with a siphon 23 and pipe 18 connecting it with the tank 17.

The device is driven by a constant flow of fluid flowing through pipe 30, adjustable valve 31.

The liquid enters the tank 16 with its own weight / closed valves / I J9. Upon filling the tank J6, the liquid will begin to overflow through the upper edges and will flow into the tank / 5, as it is filled, the float 24 will rise along with the brush 2 / and the lever / 5, balanced by the load 26, will lift the air-pressure pipe 4, balanced in turn by the load 26. The lever / 2 with a load of 25 is intended to balance the severity of the float. Upon further upward movement of the float 24, it will reach the hubs 79, J9 and open the valves J9, 19, - thanks to which the liquid in the tank 16 will quickly pour into the tank / 5 until the liquid level rises above the knee of the siphon 23, whereby the liquid from the tank / 5

will be poured out, the float 24 with all the parts connected with it will be lowered together with the air-pressure tube of the apparatus, and the whole device will return to its original position. In the future, the process is repeated periodically.

The introduction of an additional tank 77 connected to the tank / 5 pipe / 5 makes it possible to adjust (arbitrarily slow down) the speed of movement of the float up to the desired height by increasing the surface of the liquid.

The vertically movable pipe 32, locked in the gland 33, makes it possible to adjust the level of the liquid in the attachment tank 17 by setting the air pressure in the upper part of the tank. The pipe 32 also serves to enter and exit the tank 17 when filling and emptying. To drain the tank 15 when cleaning the tank 15, there is a tube 28 with a tap 29. The valve 34 on the tube / s is intended to separate the tank 15 from the tank 77. Tap 35 on The siphon 23 regulates the speed of the outflow of fluid from the tank 75, depending on what the landing speed of the float 24 changes accordingly. By introducing locking bolts 27 from the bottom of the tank, it is meant to delay the float 24 when twisting in the lower position.

The subject matter of the invention.

Claims (3)

1./Apparatus for lifting fluid from wells with compressed air according to the airlift principle, characterized by the use of a tubular valve 6 mounted on the coupling connecting the receiving pipe 7 and the discharge pipe 3, screwed onto the compressed air supply pipe -i and at the lower end of the spindle, there is a needle valve 5a, which opens pipe 4 (fig. 3) with compressed air, which opens the casing, while valve b serves when pipe 4 lifts to communicate pipe 3 with compressed air (fig. 2 and 3) . 2. In the apparatus of claim 1, a device for lifting an air tube 4, characterized by the use of a hinge connected to the tube 4 of the lever / 2-75 With weights 25 and 20 at the ends, having a fixed point on the bracket 4 of the tank 15 and connected by a hinge 22 to the rod 21 of the float 24, raising, at the highest position, the valves 19 of the upper tank 16 filled with liquid through the pipe 30, which is connected to the discharge pipe of the apparatus , for the emptying of which tank / 5 serves a siphon 23, which acts when opening said valves (Fig. 7). 3. In the apparatus of claim 2, use the tank 17 connected to the tank 15 by means of a pipe 18 (FIG. 7). figure 1 FIGDigA fng2