CN221255523U - Well-point dewatering device of small self-priming pump for local pit - Google Patents
Well-point dewatering device of small self-priming pump for local pit Download PDFInfo
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- CN221255523U CN221255523U CN202322453279.6U CN202322453279U CN221255523U CN 221255523 U CN221255523 U CN 221255523U CN 202322453279 U CN202322453279 U CN 202322453279U CN 221255523 U CN221255523 U CN 221255523U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000005553 drilling Methods 0.000 claims abstract description 6
- 238000011010 flushing procedure Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 10
- 230000037452 priming Effects 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 9
- 238000005086 pumping Methods 0.000 claims description 5
- 238000005253 cladding Methods 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000001556 precipitation Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 239000002689 soil Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 239000003673 groundwater Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a well point dewatering device of a small self-sucking pump of a local pit, which comprises a protection pipe, a well point pipe, a self-sucking pump, a water collecting tank, a pump drainage pump and a pipeline assembly, wherein the protection pipe is arranged in a hole drilled into a hole by adopting a mechanical drilling method or a water flushing method and forms a pipe well, the well point pipe is inserted into the protection pipe, the lower half section of the well point pipe is coated with a filter screen, a plurality of water sucking holes are arranged on the side wall of the lower half section of the well point pipe, a plug is arranged at the bottom of the well point pipe, the water sucking holes are arranged in the filter screen, a filter material is filled in a gap between the well point pipe and the protection pipe, a water inlet pipe of the self-sucking pump is connected with the top of the well point pipe through the pipeline assembly, a water outlet pipe of the self-sucking pump is connected with the water collecting tank, and a water inlet pipe of the pump drainage pump is connected with the water collecting tank. The utility model has the advantages of simple structure, convenient processing and manufacturing, flexible and flexible installation position, simple operation, convenient management, convenient assembly and disassembly, high precipitation speed, safety and reliability.
Description
Technical Field
The utility model relates to the technical field of light well-point dewatering of foundation pits, in particular to a well-point dewatering device of a local pit small self-priming pump.
Background
Well-point dewatering is a method for artificially reducing underground water level, so the well-point dewatering method is a method for burying a certain number of water filtering pipes (wells) around a foundation pit before the foundation pit is excavated, and pumping water by using pumping equipment to ensure that the excavated soil always keeps a dry state. The method is generally used in a construction environment with higher groundwater level, is an important technical measure in construction of earthworks, foundations and foundation works, can drain water in foundation soil, promote soil consolidation, improve foundation strength, simultaneously reduce lateral displacement and settlement of soil mass of a soil slope, stabilize the slope, eliminate quicksand, reduce the uplift of the foundation soil, enable the foundation and foundation works below natural groundwater to be constructed, avoid the influence of groundwater, provide relatively dry construction conditions, reduce the amount of earthwork, shorten construction period, improve engineering quality and ensure construction safety.
The existing light well point dewatering technology adopts a mode that a plurality of well point pipes are matched with a water collecting main pipe, and aims at small-area short-term dewatering of a local deep foundation pit.
Disclosure of Invention
The utility model aims to solve the defects of the prior art and provides a well-point dewatering device of a small self-priming pump with a local pit.
The utility model adopts the following technical scheme to realize the aim: the utility model provides a small-size self priming pump well point dewatering device in local pit, including the pillar, the well point pipe, the self priming pump, the header tank, the pump drainage pump, the pipeline subassembly, the pillar is installed and is being adopted mechanical drilling method or the downthehole of water flushing method drilling pore-forming and form the tube well, the well point pipe is inserted and is established in the pillar, the lower half section cladding filter screen of well point pipe, and be equipped with a plurality of water absorption holes on the lower half section lateral wall of well point pipe, well point pipe bottom is equipped with the end cap, the water absorption hole is located in the filter screen, the space intussuseption between well point pipe and the pillar is filled with the filter material, the inlet tube of self priming pump passes through the pipeline subassembly and is connected with well point pipe top, the outlet pipe of self priming pump is connected with the header tank, the inlet tube of pump drainage pump is connected with the header tank.
In particular, the number of the protective pipes is two, and well point pipes in the two protective pipes are pumped and discharged through a self-suction pump.
Specifically, the pipeline assembly comprises a first right-angle elbow, a first communicating pipe, a tee joint, a second communicating pipe and a second right-angle elbow, the top of the well point pipe is connected with the first communicating pipe through the first right-angle elbow, the two first communicating pipes are connected with the second communicating pipe through the tee joint, and the second communicating pipe is connected with a water inlet pipe of the self-priming pump through the second right-angle elbow.
In particular, the protective tube is a PVC plastic tube with a diameter of 110mm, and the protective tube is 0.2m higher than the ground.
In particular, the well point pipe is a PVC plastic pipe with a diameter of 32mm.
In particular, the water absorbing holes are arranged at the 500mm position at the bottom of the well point pipe from top to bottom, the diameter of the water absorbing holes is 3mm, and the distance between the water absorbing holes is 50mm.
In particular, the filter screen is provided with two layers, and the mesh number of the filter screen is 100 meshes.
The beneficial effects of the utility model are as follows: the utility model has the advantages of flexible and flexible installation position, simple operation, convenient management, convenient assembly and disassembly, high dewatering speed, safety and reliability, and is most easy to be used for dewatering in small area and short period, such as sinking nodes of pipe gallery, sewage inspection wells, water collection pits of raft plates and the like; the local water seepage position of other precipitation schemes can be treated at fixed points.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the positions of the water suction holes and plugs of the present utility model;
In the figure: 1-a protective tube; 2-well point pipe; 21-a water absorption hole; 22-plugs; 3-filtering the mixture; 4, filtering material; 5-a first right-angle elbow; 6-a first communication pipe; 7-tee joint; 8-a self-priming pump; 9-a water collecting tank; 10-a pump; 11-a second communicating tube; 12-a second elbow bend;
The embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
1-2, a local pit small-sized self-priming pump well point dewatering device comprises a protection pipe 1, a well point pipe 2, a self-priming pump 8, a water collecting tank 9, a pumping pump 10 and a pipeline assembly, wherein the protection pipe 1 is arranged in a hole drilled by adopting a mechanical drilling method or a water flushing method and forms a pipe well, specifically, the protection pipe 1 is a PVC plastic pipe with the diameter of 110mm, the protection pipe 1 is 0.2m higher than the ground, the well point pipe 2 is a PVC plastic pipe with the diameter of 32mm;
The well point pipe 2 is inserted into the protective pipe 1, a filter material 4 is filled in a gap between the well point pipe 2 and the protective pipe 1, the lower half section of the well point pipe 2 is coated with a filter screen 3, the filter screen 3 is provided with two layers, the mesh number of the filter screen 3 is 100 meshes, a plurality of water absorption holes 21 are formed in the side wall of the lower half section of the well point pipe 2, a plug 22 is arranged at the bottom of the well point pipe 2, the water absorption holes 21 are positioned in the filter screen 3, the water absorption holes 21 are formed in the 500mm position at the bottom of the well point pipe 2 from top to bottom, the diameter of the water absorption holes 21 is 3mm, and the distance between the water absorption holes 21 is 50mm;
The water inlet pipe of the self-priming pump 8 is connected with the top of the well point pipe 2 through a pipeline assembly, the water outlet pipe of the self-priming pump 8 is connected with the water collecting tank 9, and the water inlet pipe of the pumping pump 10 is connected with the water collecting tank 9 and discharges water in the water collecting tank 9; specifically, the two protection pipes 1 are arranged, the well point pipes 2 in the two protection pipes 1 are pumped and drained through the self-priming pump 8, the pipeline assembly comprises a first right-angle elbow 5, a first communication pipe 6, a tee joint 7, a second communication pipe 11 and a second right-angle elbow 12, the top of the well point pipe 2 is connected with the first communication pipe 6 through the first right-angle elbow 5, the two first communication pipes 6 are connected with the second communication pipe 11 through the tee joint 7, and the second communication pipe 11 is connected with the water inlet pipe of the self-priming pump 8 through the second right-angle elbow 12.
In order to make the installation position flexible and easy to operate, each well point pipe 2 independently uses a self-priming pump 8 to pump and drain water, or two well point pipes 2 independently use a self-priming pump 8 to pump and drain water.
When the utility model works, before the deep foundation pit with small local area is excavated, a mechanical drilling method or a water flushing method is adopted to drill holes, a protection pipe 1 is installed to form a pipe well, high-pressure water jet flushing is adopted in the protection pipe 1, and then a well point pipe 2 is inserted; the water absorbing holes 21 with the diameter of 3mm are drilled in advance in the well point pipe 2, and two layers of filter screens 3 are wrapped outside the water absorbing holes 21 to prevent the water absorbing holes 21 from being blocked; filling filter material 4 between well point pipe 2 and protection pipe 1, after well point pipe 2 is buried, using piping assembly to be connected with self priming pump 8, making groundwater be discharged by self priming pump 8 into header tank 9 and collecting, using pump 10 to discharge water storage in header tank 9 to river course or municipal drainage pipe network can.
The utility model has the advantages of simple structure, convenient processing and manufacturing, flexible and flexible installation position, simple operation, convenient management, convenient assembly and disassembly, high dewatering speed, safety and reliability, and is most easy to be used for small-area short-term dewatering.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the above embodiments, but is intended to cover various modifications, either made by the method concepts and technical solutions of the utility model, or applied directly to other applications without modification, within the scope of the utility model.
Claims (7)
1. The utility model provides a small-size self priming pump well point dewatering device in local pit, a serial communication port, including pillar (1), well point pipe (2), self priming pump (8), header (9), pump drainage pump (10), pipeline subassembly, pillar (1) is installed in adopting mechanical drilling method or water flushing method to creep into the downthehole of pore forming and is formed the tube well, well point pipe (2) are inserted and are established in pillar (1), well point pipe (2) lower half cladding filter screen (3), and be equipped with a plurality of water absorption holes (21) on well point pipe (2) lower half lateral wall, well point pipe (2) bottom is equipped with end cap (22), water absorption hole (21) are located filter screen (3), the space intussuseption between well point pipe (2) and the pillar (1) is filled with filter material (4), the inlet tube of self priming pump (8) is connected with well point pipe (2) top through pipeline subassembly, the outlet pipe of self priming pump (8) is connected with header (9), the inlet tube of pump drainage pump (10) is connected with header (9).
2. The device for dewatering the well points of the small self-sucking pump with the local pit according to claim 1, wherein the number of the protection pipes (1) is two, and the well point pipes (2) in the two protection pipes (1) are used for pumping and draining water through the self-sucking pump (8).
3. The small-sized self-priming pump well point dewatering device of the local pit according to claim 2, wherein the pipeline assembly comprises a first right-angle elbow (5), a first communicating pipe (6), a tee joint (7), a second communicating pipe (11) and a second right-angle elbow (12), the top of the well point pipe (2) is connected with the first communicating pipe (6) through the first right-angle elbow (5), the two first communicating pipes (6) are connected with the second communicating pipe (11) through the tee joint (7), and the second communicating pipe (11) is connected with a water inlet pipe of the self-priming pump (8) through the second right-angle elbow (12).
4. A small-sized self-priming pump well-point dewatering device for a local pit according to claim 3, wherein the protective tube (1) is a PVC plastic tube with a diameter of 110mm, and the protective tube (1) is 0.2m higher than the ground.
5. The device for dewatering a well point of a small self-sucking pump with a local pit according to claim 4, wherein the well point pipe (2) is a PVC plastic pipe with a diameter of 32mm.
6. The device for dewatering the well point of the small self-sucking pump with the local pit according to claim 5, wherein the water sucking holes (21) are formed at the bottom 500mm of the well point pipe (2) from top to bottom, the diameter of the water sucking holes (21) is 3mm, and the distance between the water sucking holes (21) is 50mm.
7. The device for dewatering a well point of a small self-sucking pump with a local pit as claimed in claim 6, wherein the filter screen (3) is arranged in two layers, and the mesh number of the filter screen (3) is 100 meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322453279.6U CN221255523U (en) | 2023-09-11 | 2023-09-11 | Well-point dewatering device of small self-priming pump for local pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322453279.6U CN221255523U (en) | 2023-09-11 | 2023-09-11 | Well-point dewatering device of small self-priming pump for local pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221255523U true CN221255523U (en) | 2024-07-02 |
Family
ID=91660425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322453279.6U Active CN221255523U (en) | 2023-09-11 | 2023-09-11 | Well-point dewatering device of small self-priming pump for local pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221255523U (en) |
-
2023
- 2023-09-11 CN CN202322453279.6U patent/CN221255523U/en active Active
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