CN212614590U - Well washing device for underground water well - Google Patents

Abstract

The utility model discloses a well washing device for groundwater wells, which comprises a cylinder and a suction component, wherein the cylinder comprises an outer cylinder and an inner cylinder which is coaxial with the outer cylinder; the suction assembly comprises a circular sealing ring matched with the inner cylinder and a first piston rod connected with the circular sealing ring; wherein, the upper end of the cylinder is hermetically connected between the outer cylinder and the inner cylinder; the upper end and the lower end of the cylinder are respectively provided with an upper end cover and a lower end cover; the well washing device also comprises an inflating assembly which comprises a circular sealing ring and at least two second piston rods connected with the circular sealing ring; the lower end cover is provided with a first one-way valve which is positioned in the center of the lower end cover and can only be opened upwards and at least one second one-way valve which is positioned on the periphery of the lower end cover and can only be opened downwards. The method is to operate the inner cylinder and the outer cylinder through the first piston rod and the second piston rod respectively. Make the well-flushing effect show, can not cause the siltation, and need not be equipped with the power, installation and construction are simple and convenient, have improved work efficiency.

Description

Well washing device for underground water well

Technical Field

The utility model relates to a groundwater restoration trade, especially a be used for groundwater well washing device.

Background

The well washing means that due to engineering requirements, in the well repairing operation process, well washing media are injected into a well through a well bore or a drill rod by pump injection equipment, and substances in the well bore are: the liquid phase, the solid phase and the gas phase are carried to the ground, so that the property of the medium in the essence can be changed to meet the operation requirement.

The well washing method comprises the following steps: pumping clean water by using an original drilling pump, namely continuously circularly washing the well after replacing slurry by the clean water, and weighing the clean water to wash the well; stopping clear water circulation, continuously lifting up and down in a well pipe by using a piston to cause pressure excitation, damaging mud skins of a well wall, dredging pores of a aquifer, and weighing piston well washing; the piston well washing needs to be alternately and repeatedly carried out; before the pumping test, firstly, a centrifugal pump or a compressed air machine is used for pumping underground water to reach water cleanness and stably discharge water, and then the pumping test is carried out, namely pumping well flushing and compressed air well flushing; in addition, carbon dioxide is used for washing the well and acid washing the well.

In the prior art, bottom sediment can be caused, and the well washing effect is not ideal; and the equipment needs to provide power supply, and the construction is inconvenient.

For example, a "site environment survey well-flushing device" disclosed in chinese patent literature, which is under publication No. CN 208996678U. This patent provides a site environment investigation well washing device, belong to site environment investigation equipment field, including suction subassembly and collection subassembly, the lower extreme of suction subassembly stretches into groundwater detection well bottom of the well pipe through the inlet tube, transmission pipe and collection subassembly intercommunication are passed through to the upper end of suction subassembly, transmission pipe and suction subassembly and the equal sealed setting of collection subassembly, the suction subassembly includes a sealed section of thick bamboo, sealing washer and piston rod, the sealing washer is established in a sealed section of thick bamboo and reciprocates relatively, the piston rod is established perpendicularly on the sealing washer, the upper end setting of a sealed section of thick bamboo is worn out to the upper end of piston rod, the lower extreme of a sealed section of thick bamboo is equipped with the check valve that the switching of a control sealed section of thick bamboo just can inwards be opened, the transmission pipe. This patent is taken groundwater out through the suction subassembly, can cause the shaft bottom siltation, and difficult clearance such as silt in the shaft bottom, well-flushing effect are general.

For example, a Chinese patent document discloses a gas-liquid mixer which is convenient for well washing and water pumping, and the publication number is CN 206381863U. This patent relates to gas-liquid mixture technical field, especially is a gas-liquid mixer convenient to well-flushing and drawing water, including well drilling, gas-liquid discharge pipe and gas downtake, be fixed in the well drilling inner wall through connecting rod one on the gas-liquid discharge pipe, be connected with the air supply pipe through connecting rod two on the gas-liquid discharge pipe, threaded connection has the intake pipe on the air supply pipe, and the air supply pipe bottom is linked together through hourglass type pipeline and gas downtake, be equipped with groundwater velocity of flow direction appearance in the well drilling. In this patent, equipment fixing is complicated, need fix on the well drilling inner wall, influences the efficiency of construction.

SUMMERY OF THE UTILITY MODEL

Aiming at solving the problems that the well washing effect is not ideal and siltation can be caused in the prior art; the power supply is needed to be provided for the arrangement, so that the construction is inconvenient; some devices are complicated to install and use; the utility model provides a method for respectively operating an inner cylinder and an outer cylinder through a first piston rod and a second piston rod; make the well-flushing effect show, can not cause the siltation, and need not be equipped with the power, installation and construction are simple and convenient, have improved work efficiency.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

a well washing device for a groundwater well comprises a cylinder and a suction assembly, wherein the cylinder comprises an outer cylinder and an inner cylinder which is coaxial with the outer cylinder; the suction assembly comprises a circular sealing ring matched with the inner cylinder and a first piston rod connected with the circular sealing ring; wherein the upper end of the cylinder is hermetically connected between the outer cylinder and the inner cylinder; the upper end and the lower end of the cylinder are respectively provided with an upper end cover and a lower end cover; the outer cylinder and the inner cylinder divide the cylinder into two mutually independent functional areas; the well washing device also comprises an inflating assembly, wherein the inflating assembly comprises a circular sealing ring and at least two second piston rods connected with the circular sealing ring; the lower end cover is provided with a first one-way valve which is positioned in the center of the lower end cover and can only be opened upwards and at least one second one-way valve which is positioned on the periphery of the lower end cover and can only be opened downwards; the first one-way valve and the second one-way valve are respectively connected with a water outlet pipe and an air inlet pipe; a row of water nozzles are arranged on the peripheral wall of the cylinder.

Further, a straight connecting rod is rotatably connected to the first piston rod; the number of the second piston rods is two, and a curved rod is rotatably connected to each second piston rod.

Furthermore, the straight connecting rod and the curved rod are respectively connected with a pressure rod in a rotating way.

Further, the rotary connection is a bolt pair connection.

Furthermore, the peripheral wall of the outer barrel is provided with at least one air inlet.

Furthermore, the number of the second one-way valves is two, and the second one-way valves and the first one-way valves are on the same straight line.

Further, the well washing device also comprises a support frame arranged at the bottom of the cylinder.

Compared with the prior art, the utility model has the advantages that: the well washing effect is showing, can not cause the siltation, and does not need to be equipped with the power, and installation and construction are simple and convenient, have improved work efficiency.

Drawings

Fig. 1 is a three-dimensional view of the present invention.

Fig. 2 is a partial cross-sectional view of fig. 1.

In the figure:

1. a cylinder; 2. an outer cylinder; 3. an inner barrel; 4. a suction assembly; 5. a circular seal ring; 6. a first piston rod; 7. an upper end cover; 8. a lower end cover; 9. an inflation assembly; 10. a circular ring seal ring; 11. a second piston rod; 12. a first check valve; 13. a second one-way valve; 14. a water outlet pipe; 15. an air inlet pipe; 16. a water discharge nozzle; 17. a straight connecting rod; 18. a curved bar; 19. a pressure lever; 20. an air inlet; 21. a support frame.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 and 2, the present invention relates to a well washing device for groundwater wells. The well washing device comprises a cylinder 1, wherein the cylinder 1 comprises an outer cylinder 2 and an inner cylinder 3, the outer cylinder 2 and the inner cylinder 3 have the same axis, and the outer cylinder 2 and the inner cylinder 3 divide the cylinder 1 into two mutually independent functional areas; meanwhile, the upper ends of the outer cylinder 2 and the inner cylinder 3 are hermetically connected into a whole. An upper end cover 7 and a lower end cover 8 are respectively arranged at the upper end and the lower end of the cylinder 1, and the inner cylinder 3 forms a sealed space under the plugging of the upper end cover 7 and the lower end cover 8. The device also comprises a suction component 4, wherein the suction component 4 comprises a circular sealing ring 5, and the circular sealing ring 5 is arranged in the inner cylinder 3 and is matched with the inner cylinder 3; the suction assembly 4 further comprises a first piston rod 6, one end of the first piston rod 6 is fixedly connected with the circular sealing ring 5, and the other end of the first piston rod 6 passes through the upper end cover 7 and is arranged outside the cylinder 1. A first one-way valve 12 is arranged at the center position of the lower end cover 8 corresponding to the circular sealing ring 5, and the first one-way valve 12 can only be opened upwards; during the up-and-down movement of the first piston rod 6, water at the bottom of the well is pumped out. The well washing device also comprises an inflating assembly 9, wherein the inflating assembly 9 comprises a circular sealing ring 10 and at least two second piston rods 11 connected with the circular sealing ring 10, and the circular sealing ring 10 is matched with an interval formed between the outer cylinder 2 and the inner cylinder 3; in this embodiment, two second piston rods 11 are used, and the connection manner is similar to that of the first piston rod 6, which is not described herein again; meanwhile, a second one-way valve 13 is arranged on the lower end cover 8 corresponding to the second piston rod 11, and the second one-way valve 13 can only be opened downwards; air is pressed into the bottom of the water well through the up-and-down movement of the second piston rod 11, and the sediment at the bottom of the water well is stirred under the turbulent flow of the air and is pumped out along with the pumping component 4, so that the well washing effect is improved; the first one-way valve 12 and the second one-way valve 13 are in the same straight line, and the arrangement ensures that the stress of the device is uniform in the use process, thereby ensuring the stability of the device; a water outlet pipe 14 is connected to the first check valve 12, and an air inlet pipe 15 is connected to the second check valve 13. A water discharge nozzle 16 is provided on the peripheral wall of the cylinder 1, and the pumped muddy water is discharged into the collecting device through the water discharge nozzle 16. In other embodiments, a straight link 17 may be rotatably connected to the first piston rod 6; a curved bar 18 is rotatably connected on the second piston rod 11, and a pressure bar 19 is respectively rotatably connected on the straight connecting rod 17 and the curved bar 18; the lever principle is adopted, so that the labor is saved in pumping and pressing air; the rotary connection in this embodiment is a bolt pair connection, but is not limited thereto. In other embodiments, an air inlet 20 can be formed on the peripheral wall of the outer cylinder 2 to increase air inlet, so that the pressed air amount is increased, and muddy water is more fully stirred; in other embodiments, a support frame 21 may be disposed at the bottom of the cylinder 1, which does not need to be supported by human power, and can adapt to a complex construction environment, and the support frame 21 may be configured to be folded or retracted, which is not specifically limited. When in use, the well washing device is arranged above a water well, the water outlet pipe 14 and the air inlet pipe 15 are arranged in water, and gas is pumped into the water through the inflating assembly 9 to stir bottom mud and water; the muddy ground water is pumped out through the pumping assembly 4. The device, simple structure, convenient operation, well washing effect is showing, can not cause the siltation, and need not be equipped with the power, and the installation is under construction simple and conveniently, has improved work efficiency.

The above description is only for the specific embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims (8)

1. The utility model provides a be used for groundwater well washing device which characterized in that: comprises that

The cylinder comprises an outer cylinder and an inner cylinder which is coaxial with the outer cylinder;

the suction assembly comprises a circular sealing ring matched with the inner barrel and a first piston rod connected with the circular sealing ring;

wherein the upper end of the cylinder is hermetically connected between the outer cylinder and the inner cylinder; the upper end and the lower end of the cylinder are respectively provided with an upper end cover and a lower end cover; the outer cylinder and the inner cylinder divide the cylinder into two mutually independent functional areas; the well washing device also comprises an inflating assembly, wherein the inflating assembly comprises a circular sealing ring and at least two second piston rods connected with the circular sealing ring; the lower end cover is provided with a first one-way valve which is positioned in the center of the lower end cover and can only be opened upwards and at least one second one-way valve which is positioned on the periphery of the lower end cover and can only be opened downwards; the first one-way valve and the second one-way valve are respectively connected with a water outlet pipe and an air inlet pipe; a row of water nozzles are arranged on the peripheral wall of the cylinder.

2. A device for washing groundwater wells as claimed in claim 1, wherein: the first piston rod is rotatably connected with a straight connecting rod; the number of the second piston rods is two, and a curved rod is rotatably connected to each second piston rod.

3. A device for washing groundwater wells as claimed in claim 2, wherein: the straight connecting rod and the curved rod are respectively connected with a pressure rod in a rotating way.

4. A device for washing a groundwater well as claimed in claim 2 or 3, wherein: the rotary connection is a bolt pair connection.

5. A device for washing a groundwater well as claimed in claim 1 or 2, wherein: the peripheral wall of the outer barrel is provided with at least one air inlet.

6. A device for washing a groundwater well as claimed in claim 1 or 2, wherein: the number of the second one-way valves is two, and the second one-way valves and the first one-way valves are on the same straight line.

7. A device for washing groundwater wells as claimed in claim 4, wherein: the number of the second one-way valves is two, and the second one-way valves and the first one-way valves are on the same straight line.

8. A device for washing a groundwater well as claimed in claim 1 or 2, wherein: the well washing device also comprises a support frame arranged at the bottom of the cylinder.

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