CN221280712U - Layered water pumping test device - Google Patents
Layered water pumping test device Download PDFInfo
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- CN221280712U CN221280712U CN202321952396.0U CN202321952396U CN221280712U CN 221280712 U CN221280712 U CN 221280712U CN 202321952396 U CN202321952396 U CN 202321952396U CN 221280712 U CN221280712 U CN 221280712U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 198
- 238000005086 pumping Methods 0.000 title claims abstract description 25
- 238000012360 testing method Methods 0.000 title claims abstract description 25
- 239000003673 groundwater Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims 2
- 239000010959 steel Substances 0.000 claims 2
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000002349 well water Substances 0.000 claims 1
- 235000020681 well water Nutrition 0.000 claims 1
- 230000007246 mechanism Effects 0.000 abstract description 8
- 238000011835 investigation Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a layered water pumping test device which comprises a water pump, a drain pipe, an upper water stopping mechanism, a lower water stopping mechanism, a hydraulic driving device and a measuring device. The upper water stopping mechanism is fixed on the upper part of the drain pipe through threaded connection, the lower end of the drain pipe is connected with the water outlet of the water pump through the drain pipe, the lower water stopping mechanism is connected with the lower end of the water pump, the upper water stopping mechanism and the lower water stopping mechanism are connected with a hydraulic device on the ground, and the pressure is generated by pressing clean water through the hydraulic device, so that the sealing and separation effects are achieved through contact with the pipe wall. The measuring device stretches into the stratum to be measured from the ground through the measuring tube to measure the water level, and the device is simple in structure, convenient to operate and good in practicability in the field of hydrogeological investigation.
Description
Technical Field
The utility model relates to a layered water pumping test device for a hydrogeological hole (well), belongs to the field of hydrogeological investigation, and particularly relates to a layered water pumping test device.
Background
In hydrogeology reconnaissance, through different aquifer layering drainage can obtain parameters such as more accurate water yield, water level, quality of water, comparatively objective establishment groundwater system model. When the water pumping test is carried out in a layered manner, temporary water stop is needed to be carried out in the well hole by utilizing a water stop device, and other water-bearing layers are isolated. Therefore, the research on a layered water pumping device which is economical and applicable and is easy to operate is necessary.
Disclosure of Invention
Aiming at the technical problems, the utility model provides a layered water pumping test device which is simple in structure and convenient to operate.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows:
The layered water pumping test device comprises a water pump, a drain pipe, an upper water stopping component, a lower water stopping component, a hydraulic device, a measuring pipe and a measuring clock, wherein the upper water stopping component is positioned at the upper end of the water pump and is connected with the water pump through threads, the depth of a visual stratum is increased or reduced, the lower water stopping component is positioned at the lower end of the water pump and is connected with the water pump through bolts, and the upper water stopping device and the lower water stopping device are respectively connected with a manual hydraulic device positioned on the ground; the lower end of the drain pipe is connected with a water outlet of the water pump, and water is discharged to the ground through the upper water stopping mechanism.
The upper water stop assembly consists of a hollow threaded hollow pipe and a water bag wrapped outside, the lower water stop assembly consists of a hollow pipe with two ends blocked and a water bag wrapped outside, and the upper water stop assembly and the lower water stop assembly are respectively connected with a ground hydraulic device.
As the preferable layering test device that draws water still includes ground frequency conversion control system, ground frequency conversion control system is including power supply unit and the water pump frequency conversion control box of electric connection in order, the water pump frequency conversion control box pass through the electric wire with the water pump is connected. Preferably, the upper water stop air bag assembly is further provided with a third hollow pipe, and a circuit line of the variable-frequency water pump passes through the inner wiring of the third hollow pipe and can be provided with a water isolation device at the tail end so as to prevent upper-layer ground water from entering the test water layer.
The layered water pumping test device is characterized by further comprising a water outlet pipeline system, wherein the water outlet pipeline system comprises a water outlet pipe communicated with the upper end and the lower end of the hollow connecting pipe, and a water meter is arranged at a water outlet of the water outlet pipe on the ground and used for monitoring water yield.
1. According to the utility model, the underground water layer to be tested is sealed and separated by utilizing the expansion deformation of the hydraulic and water stop assembly, the isolation between the water in the upper water layer and the water in the lower water layer and the water layer to be tested is ensured, the structure is simple, the use is convenient, and the equipment cost and the test cost are effectively reduced. After disposable well formation, aquifers with different depths can be selected according to requirements to carry out pumping test, so that the operation is strong, and time and labor are saved.
2. According to the utility model, through the structural design of the upper water stop component and the lower water stop component, the water stop structure is simplified, the water stop effect is obviously superior to that of the prior art, and the water stop can be carried out on test layers with different depths, so that the water stop effect is good.
3. The utility model can change the relative positions of the upper water stop assembly and the lower water stop assembly in a targeted manner after determining the top and bottom plates of the aquifer, and can effectively avoid mixed pumping caused by crossing the stratum with larger difference of permeability coefficients.
4. The upper water stop assembly and the lower water stop assembly adopt the water bags as main water stop structures, can be manually operated, have short filling and discharging time and reliable water stop, and effectively solve the problem of lack of water stop materials in remote areas.
5. The utility model can also be used as a water collector to continuously collect water samples in sections after one-time well completion, so as to realize the collection of water samples at different layers, and the operation is simple and convenient.
Drawings
For a clearer description of the technical solution, the following description is given for simplicity of the drawing.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a top view of the upper water stop assembly of the present utility model;
FIG. 3 is a left side view of FIG. 2;
FIG. 4 is a top view of the lower water stop assembly of the present utility model;
Fig. 5 is a left side view of fig. 4.
The reference numerals in the drawings represent the following components:
1. A water pump; 2. an upper water stop assembly; 3. a lower water stop assembly; 4. a hydraulic device; 5. a drain pipe; 8. a cable; 9. a pipe (well) wall; 10. a water bag interface; 11. a water bag; 12. measuring a tube; 13. a first hollow connecting tube; 14. a second hollow tube; 15. a third hollow tube; 16. a water pump cable; 17. and a hydraulic pipeline.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings.
As shown in the figure, the utility model discloses a layered water pumping test device which comprises a water pump 1, an upper water stopping component 2, a lower water stopping component 3, a hydraulic device 4 and a drain pipe 5, wherein the upper water stopping component is arranged at the upper end of the water pump and is connected with the water pump through the drain pipe, and the lower water stopping mechanism is arranged at the lower end of the water pump and is connected with the water pump through a bolt.
The utility model has simple structure, repeated use, convenient operation and low cost; the method is suitable for multi-aquifer layered water pumping tests, and has good practicability and popularization value in the fields of geological investigation, engineering investigation and the like.
Example 1
On the basis of the structure, in the embodiment, the upper water stop assembly and the lower water stop assembly comprise water bags and hollow connecting pipes, the water bags are fixed outside the hollow connecting pipes, and the upper parts of the water bags are provided with connectors. When the water-saving device is used, the water-saving device is pressurized through a ground hydraulic device, the water-bearing layer is plugged through water bag expansion, the structure is simple, and the water-stopping effect is good.
Example 2
On the basis of the structure, the embodiment further comprises a hydraulic device positioned on the ground, the hydraulic device is connected with the upper water stop assembly and the lower water stop assembly through hydraulic pipelines respectively and used for pressurizing the water bag, and the hydraulic pipeline for pressurizing the lower water stop assembly penetrates through the upper water stop assembly through the first hollow connecting pipe. When the water-stopping device is used, the upper water-stopping component and the lower water-stopping component are filled with water through the hydraulic device, so that the operation is simple and the use is convenient.
Example 3
On the basis of the structure, the second hollow connecting pipe of the upper water stop assembly is used for connecting a measuring pipe, and a measuring clock is arranged in the measuring pipe and used for measuring the water level of the test stratum. The water meter is arranged at the ground outlet of the drain pipe and is used for measuring the water yield of the test stratum.
Example 4
In the embodiment, the upper end of the hollow connecting pipe of the upper water stop assembly is connected with the drain pipe through threads until the upper end extends out of the wellhead; the lower end is connected with a water pump drain pipe through threads, and the distance between the upper water stop component and the water pump can be adjusted according to the thickness of the aquifer after the stratum is determined. Simple structure, reasonable in design is convenient for draw water.
Example 5
On the basis of the structure, in the embodiment, the water pump wire supplies power to the water pump through the third hollow connecting pipe of the upper water stop assembly, and the wire passes through and then is required to be plugged in a waterproof mode.
Working principle:
When the device is used for hydrogeology investigation and geology investigation water pumping test, the layered water pumping cost can be reduced, and the maximum depth and flow of the target aquifer can be rapidly and accurately read. When the outdoor water pumping is performed, firstly, a proper model 1 of the water pump is selected according to hydrogeological data and the thickness of an aquifer and the static water level which are actually revealed by drilling, after the model is determined, the water pump 1 and a lower water stop assembly are mechanically connected in a threaded manner, the thickness of the aquifer and the water pump 1 are combined to determine the length of a drain pipe, after the length is determined, the drain pipe is connected with an upper water stop assembly in a threaded manner, finally, a hydraulic pipeline required by the lower water stop assembly and a cable required by the water pump penetrate through an opening of the upper water stop assembly and are sealed, after all the hydraulic pipeline is connected to the ground, a water meter is installed at a water outlet, the hydraulic pipeline is connected to a hydraulic device, and the water pump cable is connected to a power supply.
After the work is completed, the hydraulic device 4 is used for starting to fill water into the upper water stop assembly 2 and the lower water stop assembly 3, and the water bag pressure is determined according to the depth of the target stratum, so that a good water stop effect can be achieved, and water in the upper water-bearing layer and the lower water-bearing layer cannot enter the target layer.
After the work is finished, the formal water pumping is started, after the water pumping is finished according to relevant specifications and standards, a pressure switch is turned on, under the external atmospheric pressure, a valve 10 is automatically opened, water in the upper water stop component 2 and the lower water stop component 3 is released, and after the water pumping of a target layer is finished, the drilling is carried out.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (5)
1. A layered water pumping test device, comprising: the water pump comprises a water pump (1), an upper water stop component (2), a lower water stop component (3), a hydraulic device (4), a drain pipe (5), a measuring pipe and a measuring clock, wherein the upper water stop component (2) and the lower water stop component (3) are respectively arranged at the upper end and the lower end of the water pump (1), the upper water stop component (2) is provided with a hollow connecting pipe, and the lower end of the hollow connecting pipe is connected with the water pump (1); three hollow pipes penetrating through the water bag are further arranged in the upper water stop assembly (2), the upper end of the first hollow pipe is connected with a measuring pipe for measuring the use of a clock, the second hollow pipe is used for passing through a cable (8) of the water pump (1), and the third hollow pipe is used for passing through a hydraulic pipeline (17) of the lower water stop assembly (3).
2. The layered water pumping test device according to claim 1, wherein the upper water stopping component (2) consists of four hollow pipes, a water bag steel ring and a water bag, the lower water stopping component (3) consists of one hollow pipe, a water bag steel ring and a water bag, and the upper water stopping component (2) and the lower water stopping component (3) are respectively connected with a hydraulic device on the ground through hydraulic pipelines.
3. The stratified pumping test device as claimed in claim 2, further comprising manual hydraulic means on the ground, connected to the upper and lower water stop assemblies (2, 3) respectively by hydraulic lines, the required hydraulic pressure being supplied by well water pumped by the water pump (1), thereby reducing the number of accessory parts of the test device.
4. The layered water pumping test device according to claim 1, wherein the upper water stopping component (2) and the lower water stopping component (3) can be plugged independently according to actual stratum requirements, and the lower end part of the lower water stopping component (3) is closed and can be isolated from groundwater in the lower layer together with a water bag.
5. The layered water pumping test device according to claim 1, further comprising a water outlet pipeline system, wherein the water outlet pipeline system comprises a water outlet pipe communicated with the upper end and the lower end of the hollow connecting pipe, and a water meter for measuring water outlet is arranged at the tail end of the water outlet pipe on the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321952396.0U CN221280712U (en) | 2023-07-24 | 2023-07-24 | Layered water pumping test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321952396.0U CN221280712U (en) | 2023-07-24 | 2023-07-24 | Layered water pumping test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221280712U true CN221280712U (en) | 2024-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321952396.0U Active CN221280712U (en) | 2023-07-24 | 2023-07-24 | Layered water pumping test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221280712U (en) |
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2023
- 2023-07-24 CN CN202321952396.0U patent/CN221280712U/en active Active
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