CN111962539A - Separate type water filter pipe of dewatering well - Google Patents
Separate type water filter pipe of dewatering well Download PDFInfo
- Publication number
- CN111962539A CN111962539A CN202010986459.9A CN202010986459A CN111962539A CN 111962539 A CN111962539 A CN 111962539A CN 202010986459 A CN202010986459 A CN 202010986459A CN 111962539 A CN111962539 A CN 111962539A
- Authority
- CN
- China
- Prior art keywords
- pipe
- dewatering well
- main pipe
- water
- branch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 238000001914 filtration Methods 0.000 claims abstract description 23
- 239000004677 Nylon Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 229920002457 flexible plastic Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000003673 groundwater Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011835 investigation Methods 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
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
Abstract
The invention provides a separated type strainer of a dewatering well, which comprises a main pipe and at least one branch pipe communicated with the main pipe, wherein the branch pipe is provided with a filter hole. The separated water filtering pipe of the dewatering well has the advantages of low cost and good water filtering effect.
Description
Technical Field
The invention relates to the field of constructional engineering, in particular to a separated type water filter pipe of a dewatering well.
Background
The foundation pit engineering is a general term of construction measures such as enclosure, support, precipitation, reinforcement, excavation, backfilling and the like which are adopted for excavating earthwork at an underground structure of the engineering and ensuring the safety of the foundation pit and the surrounding environment, and comprises investigation, design, construction, detection and monitoring. Groundwater control is a measure of drainage, precipitation, water stop or recharge, etc. taken for foundation pit engineering construction and to reduce the impact on the surrounding environment. The foundation pit dewatering is a dewatering method in which well pipes are embedded inside and outside the foundation pit and mechanical equipment is used to pump water to lower the groundwater level.
In the precipitation engineering, because the aquifer is cut off, groundwater must constantly seep into the foundation pit under the action of pressure difference, if the foundation pit is not subjected to dewatering and drainage work, the foundation pit is soaked, the site construction condition is poor, the bearing capacity of the foundation is reduced, and the phenomena of quicksand, piping, slope instability and the like can be caused under the action of hydrodynamic pressure, so that effective precipitation and drainage measures must be taken to ensure the safety of foundation pit construction. At present, the construction structure is generally lowered by adopting a lowering well point mode in the prior art.
In the prior art, the filtration pores are directly arranged on the wall of the well pipe to form the filtration pipe, a nylon net is coated outside the filtration pipe to perform the functions of blocking sand and filtering water, the pore size of the filtration pores is generally 10mm-20mm, and the porosity is generally not more than 25%. Because the filter holes are directly arranged on the wall of the well pipe, the strength of the well pipe is reduced, and in order to maintain the strength of the well pipe, the well pipe with thicker pipe wall needs to be adopted, so that the cost is increased; and the size of the aperture of the filter hole cannot be too large, the strength of the filter pipe part can be reduced if the size of the aperture of the filter hole is too large, and the size of the aperture of the filter hole can only be limited, so that the water filtering effect is influenced.
Disclosure of Invention
The invention aims to provide a separation type strainer pipe of a dewatering well, which is low in cost and good in water filtering effect.
The embodiment of the invention provides a separated type water filter pipe of a dewatering well, which comprises a main pipe and at least one branch pipe communicated with the main pipe, wherein the branch pipe is provided with a filter hole.
In the embodiment of the invention, the branch pipe is a flexible plastic pipe.
In the embodiment of the invention, the main pipe is also provided with a joint, and the branch pipe is connected with the main pipe through the joint.
In the embodiment of the invention, the branch pipe is a hard pipe and is connected with the main pipe through a flexible connecting pipe.
In the embodiment of the invention, the filter holes are coated with the filter screen.
In the embodiment of the invention, the filter screen is a nylon screen.
In the embodiment of the invention, the pipe diameter of the branch pipe is smaller than that of the main pipe.
Compared with the prior art, the separated water filter pipe of the dewatering well has the advantages that the main pipe is a solid pipe except the joint, the solid pipe is not provided with filter holes, the strength of the well pipe is greatly increased, the protection of the well pipe is facilitated, the service life of the well pipe is prolonged, the main pipe only plays roles of water collection, storage and space provision and water conveying and drainage for the installation of a pumping and drainage device due to the fact that the main pipe does not play a role in water filtration, the problem of a water passing section does not need to be considered, the diameter of the main pipe does not need to be considered too large, the effects can be met, and the material cost of the well pipe is saved; the main pipe and the branch pipe can be separated, and transportation is facilitated.
Drawings
Fig. 1 is a schematic structural view of a separation type strainer of a dewatering well according to a first embodiment of the present invention.
Fig. 2 is a schematic structural view of a separation type strainer of a dewatering well according to a second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
As shown in fig. 1, in a first embodiment of the present invention, a separate type strainer for a dewatering well is provided, which includes a main pipe 11 and a plurality of branch pipes 12 communicated with the main pipe 11. The pipe diameter of the branch pipe 12 is smaller than that of the main pipe 11. The branch pipe 12 is provided with a filter hole 121. The filtering holes 121 are covered with a filtering net 13. The filtering holes 121 are used for obtaining underground water, and the filtering net 13 is used for fixing silt in the underground water. The filter screen 13 may be a nylon mesh.
The main pipe 11 is provided with a joint 111, and the branch pipe 12 is connected with the main pipe 1 through the joint 111. The branch pipe 12 is a flexible plastic pipe.
When the separating type water filter pipe of the dewatering well is applied, the branch pipe 12 can be firstly installed on the main pipe 12 through the joint 111, then the separating type water filter pipe of the whole dewatering well is installed in the finished dewatering well, and sand is filled in a gap between the separating type water filter pipe of the dewatering well and the dewatering well.
The main pipe 11 is not required to be provided with the water filtering function, and only is used for collecting water, storing water and providing space and water conveying and draining functions for installation of a water pumping and draining device, so that the problem of a water passing section is not required to be considered, the diameter of the main pipe 11 is not required to be considered too large, the functions can be met, and the material cost of the well pipe is saved.
As shown in fig. 2, in the second embodiment of the present invention, a separate type strainer for a dewatering well is provided, which includes a main pipe 21, a plurality of branch pipes 22 communicated with the main pipe 21, and a plurality of connecting pipes 23 connected between the main pipe 21 and the branch pipes 22. The connection tube 23 is a flexible hose. The branch pipe 22 is a hard pipe. The pipe diameter of the branch pipe 22 is smaller than that of the main pipe 21.
The branch pipe 22 is provided with a filter hole 221. The filtering holes 221 are coated with a filtering net 24. The filtering holes 221 are used for obtaining underground water, and the filtering net 24 is used for fixing silt in the underground water.
The main pipe 21 is further provided with a joint 211, one end of the connecting pipe 23 is connected with the joint 211, and the other end of the connecting pipe is connected with the branch pipe 22. Since the connection pipe 23 is a flexible hose, when the separate type strainer of the dewatering well is installed, the connection pipe 23 may be bent such that the branch pipe 22 is parallel to the main pipe 21, thereby installing the separate type strainer of the entire dewatering well in the dewatering well.
In the above embodiment, the number of the branch pipes is plural, and in practical application, there may be only one branch pipe.
In conclusion, by adopting the separated water filter pipe of the dewatering well, the main pipe is a solid pipe except the joint, the strength of the well pipe is greatly increased without arranging filter holes on the solid pipe, the well pipe is favorable for protecting the well pipe and prolonging the service life, the main pipe only plays roles of collecting water, storing water and providing space and water conveying and discharging for the installation of a pumping and drainage device because the main pipe does not play a role of filtering water, the problem of a water passing section does not need to be considered any more, the diameter of the main pipe does not need to be considered too large, the effects can be met, and the cost of well pipe materials is saved; the main pipe and the branch pipe can be separated, and transportation is facilitated.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The separating water filtering pipe for dewatering well includes one main pipe and at least one branch pipe communicated with the main pipe and with filtering holes.
2. The separated strainer of a dewatering well as claimed in claim 1, wherein the branch pipe is a flexible plastic pipe.
3. The separable water strainer of a dewatering well according to claim 1, wherein the main pipe is further provided with a joint, and the branch pipe is connected to the main pipe through the joint.
4. The separated type strainer of dewatering well according to claim 3, wherein the branch pipe is a hard pipe, and the branch pipe is connected to the main pipe by a flexible connection pipe.
5. The separated type strainer of a dewatering well as claimed in claim 1, wherein the filtering holes are covered with a screen.
6. The separated type strainer of a dewatering well as claimed in claim 1, wherein the strainer is a nylon mesh.
7. The divided strainer of dewatering well according to claim 1, wherein the branch pipe has a smaller pipe diameter than the main pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010986459.9A CN111962539A (en) | 2020-09-18 | 2020-09-18 | Separate type water filter pipe of dewatering well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010986459.9A CN111962539A (en) | 2020-09-18 | 2020-09-18 | Separate type water filter pipe of dewatering well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111962539A true CN111962539A (en) | 2020-11-20 |
Family
ID=73386934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010986459.9A Pending CN111962539A (en) | 2020-09-18 | 2020-09-18 | Separate type water filter pipe of dewatering well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111962539A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103866778A (en) * | 2012-12-10 | 2014-06-18 | 贵阳铝镁设计研究院有限公司 | Soft soil foundation deep foundation pit dewatering treatment method and structure |
| CN205152968U (en) * | 2015-11-19 | 2016-04-13 | 中国建筑第七工程局有限公司 | Precipitation tubular well structure |
| CN208578054U (en) * | 2018-04-27 | 2019-03-05 | 陕西建工机械施工集团有限公司 | A kind of embed-type shallow-layer combined water drain pipe |
| CN210845445U (en) * | 2019-08-05 | 2020-06-26 | 中国二十冶集团有限公司 | Dewatering well filter equipment |
| CN111549808A (en) * | 2020-04-30 | 2020-08-18 | 同济大学 | Telescopic antenna type tree-root-shaped water filter pipe dewatering well and method for drilling and bottom expanding |
| CN111560969A (en) * | 2020-04-30 | 2020-08-21 | 同济大学 | Ball valve connection anti-tree-root-shaped water filter pipe dewatering well for drilling and bottom expanding and method |
| CN211472544U (en) * | 2019-12-18 | 2020-09-11 | 重庆拓达建设（集团）有限公司 | Dewatering well structure |
| CN212656245U (en) * | 2020-09-18 | 2021-03-05 | 上海渊丰地下工程技术有限公司 | Separate type water filter pipe of dewatering well |
-
2020
- 2020-09-18 CN CN202010986459.9A patent/CN111962539A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103866778A (en) * | 2012-12-10 | 2014-06-18 | 贵阳铝镁设计研究院有限公司 | Soft soil foundation deep foundation pit dewatering treatment method and structure |
| CN205152968U (en) * | 2015-11-19 | 2016-04-13 | 中国建筑第七工程局有限公司 | Precipitation tubular well structure |
| CN208578054U (en) * | 2018-04-27 | 2019-03-05 | 陕西建工机械施工集团有限公司 | A kind of embed-type shallow-layer combined water drain pipe |
| CN210845445U (en) * | 2019-08-05 | 2020-06-26 | 中国二十冶集团有限公司 | Dewatering well filter equipment |
| CN211472544U (en) * | 2019-12-18 | 2020-09-11 | 重庆拓达建设（集团）有限公司 | Dewatering well structure |
| CN111549808A (en) * | 2020-04-30 | 2020-08-18 | 同济大学 | Telescopic antenna type tree-root-shaped water filter pipe dewatering well and method for drilling and bottom expanding |
| CN111560969A (en) * | 2020-04-30 | 2020-08-21 | 同济大学 | Ball valve connection anti-tree-root-shaped water filter pipe dewatering well for drilling and bottom expanding and method |
| CN212656245U (en) * | 2020-09-18 | 2021-03-05 | 上海渊丰地下工程技术有限公司 | Separate type water filter pipe of dewatering well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 201600 Building 1, 1128 Wenhui Road, Songjiang District, Shanghai Applicant after: SHANGHAI YUANFENG UNDERGROUND ENGINEERING TECHNOLOGY Co.,Ltd. Address before: Room 307, building 16, 4588 Honghai Road, Sanxing Town, Chongming District, Shanghai 202152 Applicant before: SHANGHAI YUANFENG UNDERGROUND ENGINEERING TECHNOLOGY Co.,Ltd. |