Device for supplying water from the well

 

(57) Abstract:

The invention relates to a device for the supply of artesian water in the main line of urban water systems. The device includes accommodated in the casing pipe discharge pipe, multi-section pump with submersible motor and the device hydroplane installed on the delivery pipe below the static water level in the well. The device hydroplane equipped with a locking mechanism, the float and the anchor flange discharge pipe, the upper end of which is equipped with restrictors float, made in the form of sleeves of a given length, each of which is rigidly installed, ensuring alignment with a corresponding through hole in the bearing flange. On the float and on the support flange from the side of the casing are mounted respectively the top and bottom edges of the main sealing element has a cylindrical shape. The walls of the main sealing element from the discharge pipe pivotally connected with the common axes of the actuators, each of which is composed of first and second levers. Fixed axis of the first lever pivotally connected with the upper end of the support fluently, each of which is mounted with ensuring alignment with the corresponding limit switch float. Each restrictor float placed the stem of the locking mechanism rigidly mounted on the lower end of the float and the rod is mounted on one shut-off element, provided with a return spring. The task is to create a reliable seal between the walls of the discharge pipe and the casing pipe in the well. 3 Il.

The invention relates to devices and mechanisms for exploitation of groundwater sources and intakes, particularly for pumping of artesian water in the main line of urban water systems.

Known devices for water supply from wells containing discharge pipe immersed in the borehole multistage pump gear shaft running inside the discharge pipe, and a motor mounted on the frame above the mouth of the well [1].

The presence of known devices gear transmission, not allowing you to accurately adjust the clearance between the impellers and guide apparatus of the pump, leading to a greater volume loss, reduced feed pressure and coeff is evil in effect is a device for supplying water from the well, containing housed in a casing pipe, discharge pipe, multi-section pump with submersible motor and the device hydroplane installed on the delivery pipe below the static water level in the well, and is designed as a sealing element, the inner cavity of which is connected with a line of high pressure, laid along the discharge pipe to the mouth of the well [2].

A disadvantage of the known device is the unreliability of the seal, which is a consequence of the presence of the water column above the sealing element, made in the form of inflatable chambers, while the impact from the bottom to the specified element of the discharged air.

The objective of the invention is the creation of a reliable seal between the walls of the discharge pipe and casing of the well.

The problem is solved in that the device for supplying water from wells containing housed in a casing pipe, discharge pipe, multi-section pump with submersible motor and the device hydroplane installed on the delivery pipe below the static water level in the well, the device hydroplane equipped with a locking mechanism, the Aqua, made in the form of sleeves of a given length, each of which is rigidly installed, ensuring alignment with a corresponding through hole in the bearing flange on the float and on the support flange from the side of the casing are mounted respectively the top and bottom edges of the main sealing element cylindrical wall of the main sealing element from the discharge pipe pivotally connected with the common axes of the actuators, each of which is composed of first and second levers, a stationary axis, a first lever pivotally connected with the upper end of the support flange, the fixed axis of the second lever with the lower end of the float is provided with an additional sealing elements, each of which is mounted with ensuring alignment with the corresponding limit switch float, each restrictor float placed the stem of the locking mechanism rigidly mounted on the lower end of the float and the rod is mounted on one shut-off element, provided with a return spring.

In Fig. 1 is a diagram of the proposed device for supplying water from the well of Fig. 2-3 explains the work of his devices hydroplane.

Osterklang pump 4 water intake grid 5, submersible motor 6 and installed in sections 7 discharge pipe fixture of hydroplane, which included the reference flange 8, the float 9, the primary and secondary sealing elements 10 and 11, the clamps 12 and 13, as well as Executive and locking mechanisms.

Each of the actuators of the device composed of the first and second levers 14 and 15. Fixed axis 16 of the first lever pivotally connected with the upper end of the support flange, fixed axis 17 of the second lever with the lower end of the float, the common axis 18 actuators pivotally connected with the walls of the primary sealing element.

The upper end of the support flange provided with restrictors float, made in the form of sleeves 19 of a given length, each of which is rigidly installed, ensuring alignment with the corresponding through hole 20 in the bearing flange. Bushings posted by rods 21 of the locking mechanisms. Each rod is mounted on one shut-off element 22, the axis 23 which is provided with a return spring (Fig. 1-3).

The device operates as follows.

The natural water level in the well is characterized by a static level (line 1 in Fig. 1 the balance between the amount of water pumped by pump 4 through the intake grid 5 and the amount of water influx from the aquifer. With the occurrence of the equilibrium in the well continuously during operation of the device the dynamic level, which, rising gradually as the distance from the well (curve II in Fig. 2) forms a so-called oroku depression radius Ro.

Distance So between dynamic and static water levels in proportion to the productivity of the well. When this static level is determined by the hydrodynamic characteristics of groundwater and the value of the atmospheric pressure and the dynamic level should be not less than half a meter above multistage pump 4, which provides the desired cooling of the housing of the latter. I.e., with decreasing natural water level (line III in Fig. 1) as a result of, for example, the beginning of the operation of additional wells, the power intake will fall by an amount proportional to the value of dSx.

Therefore, to compensate for the effects of static level on the performance of the pump 4, the device is equipped with a device hydroplane in the composition of the reference flange 8, the float 9, the primary sealing element 10, more The upper end of the flange 8 provided with restrictors on the float 9, made in the form of sleeves 19 of a given length, each of which is rigidly installed, ensuring alignment with the corresponding through hole 20 in the specified flange 8.

The primary sealing element 10 has a cylindrical shape by clamps 12 and 13 mounted on the side of the casing 1 on the flange 8 and the float 9. The element 10 from the discharge pipe 2 is pivotally connected with the common axis 18 of actuators, each of which is composed of first and second levers 14 and 15. Fixed axis 16 of the first lever 14 pivotally connected with the upper end of the support flange 8, a fixed axis 17 of the second lever 15 with the lower end of the float 9.

Additional sealing elements 11 installed on the float 9 ensuring alignment with the corresponding restrictor 19. Each restrictor 19 posted by rod 21 of the locking mechanism rigidly mounted on the lower end of the float 9 and the rod 21 is mounted on one shut-off element 22, the axis 23 which is provided with a return spring (Fig. 2-3 not shown).

The number of sections of the discharge pipe 2, successively joined by means of flanges 3 at immersing the device in the casing 1 and the previous setpresence wall section 7 above the float 9, set in the initial state, in which the locking elements 22, while in a horizontal position resting on the walls of the limiter 19. In this case, the distance from the lower end of the float 9 to the axes 23 of the elements 22 is chosen so that the condition of the float 9, the levers 14 and 15 are held in position, where there is a gap between the primary sealing element 10 and the casing pipe 1, makes it possible to mount the device (Fig. 2).

After mounting the unit to a predetermined depth start the motor 6. In the hydraulic shock occurring at the time of launch and acting through the gap with casing pipe 1 on the main sealing element 10 and through the openings 20 in the bearing flange 8 on the float 9, the rods 21, shifting down, overcome the influence of the return spring locking elements 22, are shifting the latter in a vertical position and hold them in this position under the action of centrifugal force pump 4.

With the lowering of the water level in the casing pipe 1, the float 9, bending restrictors 19 course covers additional sealing elements 11 holes 20 and, thereby, closes the gap between the inner side wall of papacharissi device in working position, wherein the main sealing element 10 is pressed against the walls of the casing 1 under the action of centrifugal force pump 4 is securely closes the gap with casing pipe 1. Damming of these gaps achieving dynamic water level in the well will be accompanied by a weakening effect on the boundaries of the atmospheric pressure, causing additional water flows from the aquifer into the well casing 1 wells (Fig. 3).

In the moment of switching off the electric motor 6 as a result of sharp increase of water level in the well is hammer acting on the float 9 through the rod 21 and additional sealing elements 11. With a sharp displacement of the float 9 up to the distance at which the axis 23 of the elements 22, provided with return springs, out of the sleeves 19 are shaped locking mechanisms. When this float 9 actuators in the structure of the levers 14 and 15 are returned to the initial position, at which reversed the above gaps for a smooth lifting device from the well (Fig. 2).

Thus, the impact of the discharged air to the sealing element, which is the unreliability upney.

Sources of information:

1. Shabalin, A. F. Operation of industrial pipelines. Ed. "Metallurgy", 1972, S. 143.

2. Patent RU N 2083768, class E 03 B 3/08, 1997, bull. 19.

Device for supplying water from wells containing housed in a casing pipe, discharge pipe, multi-section pump with submersible motor and the device hydroplane installed on the delivery pipe below the static water level in the well, characterized in that the device hydroplane equipped with a locking mechanism, the float and the anchor flange discharge pipe, the upper end of which is equipped with restrictors float, made in the form of sleeves of a given length, each of which is rigidly installed, ensuring alignment with a corresponding through hole in the bearing flange, on the float and on the support flange from the side of the casing are mounted respectively the top and bottom edges of the main sealing element cylindrical wall of the main sealing element from the discharge pipe pivotally connected with the common axes of the actuators, each of which is composed of first and second levers, a fixed axis of the first Rivka, provided with additional sealing elements, each of which is mounted with ensuring alignment with the corresponding limit switch float, each restrictor float placed the stem of the locking mechanism rigidly mounted on the lower end of the float and the rod is mounted on one shut-off element, provided with a return spring.

 

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FIELD: construction.

SUBSTANCE: water-intake tubular well comprises a perforated casing pipe in soil arranged with its perforated section in a water-bearing layer of rocks, and a water-lifting device in it. At the upper end the casing pipe is equipped with a cover with a collar installed on it, on the cord of which there is a water-lifting pipe suspended. The water-lifting pipe has an injection valve at the lower input and a circular body along the casing pipe diameter with a suction valve and elements of hydraulic seal along the external diameter in the form of circular grooves. To drill a water-intake tubular well, a device is used, which comprises drilling pipes and a cutting drilling bit. The drilling bit is equipped with a container with a valve made of light material, for instance, plastic, to stock damaged rock. Drilling pipes are lighter pipes, for instance, water-gas pipes. On the upper end of drilling pipes there is a transverse lever of rotation. In case of high drilling depth a device is used for lowering and raising operations, including a clamp of drilling pipes and a support for clamp placement. The support is made in the form of a well head with openings of trapezoidal shape on the upper end. The clamp is made of one movable and one fixed halves with a tightening bolt and radial levers laid into openings of the well head.

EFFECT: increased height of water raising from a water-intake tubular well.

4 cl, 5 dwg

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