CN110130438B - Surface water taking well - Google Patents
Surface water taking well Download PDFInfo
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- CN110130438B CN110130438B CN201910446192.1A CN201910446192A CN110130438B CN 110130438 B CN110130438 B CN 110130438B CN 201910446192 A CN201910446192 A CN 201910446192A CN 110130438 B CN110130438 B CN 110130438B
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- well
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
- E03B3/08—Obtaining and confining water by means of wells
- E03B3/10—Obtaining and confining water by means of wells by means of pit wells
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
- E03B3/08—Obtaining and confining water by means of wells
- E03B3/16—Component parts of wells
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Foundations (AREA)
Abstract
The invention discloses a surface water taking well which comprises a basic well body, wherein the basic well body comprises an inner well shaft and an outer well shaft, a closed buoyancy cabin is formed between the inner well shaft and the outer well shaft, and water inlet pipes penetrate through the side walls of the inner well shaft and the outer well shaft. This water intaking well can directly hang into river water, need not to carry out cofferdam filling and close gas construction, well seat basis blasting excavation, the earthwork excavation and the backfill of the large square volume have been reduced, can extensively adapt to the harsh condition in water intaking places such as reservoir, hollow, river flow, coastal waters, can repetitious assembly use, adaptability is wide, therefore, the clothes hanger is strong in practicability, can accomplish the installation in shorter time limit, for the user provides high-efficient reliable construction water intaking and life water intaking, because the existence in buoyancy cabin, the foundation well body is gone into water and can produce certain buoyancy, come to offset the gravity of foundation well body, the load of lifting device has been reduced, the security and the high efficiency of hoist and mount construction are improved.
Description
Technical Field
The invention relates to the field of drainage construction of constructional engineering, in particular to a surface water taking well.
Background
In extremely cold areas of high latitude in northeast and northwest parts of China, the extreme temperature in winter can reach below-40 ℃, the freezing period in winter can reach 5 months, and the depth of a frozen soil layer in winter exceeds 1.5 meters; the water level fall of the lake (river) is large, the thickness of the frozen ice layer exceeds 1.5m, and under the severe conditions, construction water taking and life water taking are unchanged, so a water taking well needs to be arranged. The traditional construction water taking well is a brick-concrete wall built well or a prefabricated reinforced concrete pipe joint type water well, but when the two construction modes are constructed, a cofferdam needs to be built in advance, after the conditions of dry land construction are met, water bottom silt, a bedrock covering layer and a strong weathering layer of a water taking point are removed, a water taking well foundation is poured from a firm bedrock surface, and finally brick-concrete wall built or prefabricated pipe joints are hoisted, so that the construction period is long, the brick-concrete wall built or pipe joint hoisting procedure is tedious and low in efficiency, the later-stage maintenance and the maintenance of the water taking well are difficult, the whole construction cost is higher, if the construction period of the water taking project is short, the water supply requirement is high, and the water taking well needs to adapt to the conditions of water flow sudden change and the like caused by large water level fall, and cannot meet the requirements of the traditional construction water taking.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the surface water taking well which can be directly hoisted into river water, does not need cofferdam filling and gas sealing construction, blasting and excavating well seat foundations, has a certain buoyancy and can offset the gravity of the foundation well body, reduce the load of hoisting equipment and has high hoisting construction safety.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a surface water intaking well, includes basic shaft, basic shaft includes interior pit shaft and outer pit shaft, form airtight buoyancy cabin between interior pit shaft and the outer pit shaft, it has the inlet tube to run through on the lateral wall of interior pit shaft and outer pit shaft.
As a further improvement of the above technical solution, preferably, the basic well bore further includes a bottom hole sealing plate, and the bottom hole sealing plate is provided with a plurality of water inlet holes.
As a further improvement of the above technical solution, preferably, the outer side of the water inlet pipe and the outer side of the bottom hole sealing plate are both provided with steel screens.
As a further improvement of the above technical solution, preferably, the inner well bore, the outer well bore and the bottom hole sealing plate are all steel plates.
As a further improvement of the above technical solution, preferably, the upper end of the buoyancy chamber is sealed by an upper flange plate, the lower end of the buoyancy chamber is sealed by a lower flange plate, and the lower flange plate is fixedly connected with the bottom shaft sealing plate by bolts.
As a further improvement of the above technical solution, preferably, a water pump mounting rack is arranged at the lower end of the inner side wall of the foundation well bore.
As a further improvement of the above technical solution, preferably, a lifting lug is arranged on the outer side wall of the basic well bore; and an overhauling crawling ladder is arranged on the inner side wall of the foundation well body.
As a further improvement of the above technical solution, preferably, at least one lengthened well bore is arranged at the upper end of the basic well bore, the lengthened well bore includes an inner well bore and an outer well bore, and a closed buoyancy chamber is formed between the inner well bore and the outer well bore.
As a further improvement of the above technical solution, preferably, the upper ends of the buoyancy chambers of the foundation shaft and the lengthened shaft are sealed by an upper flange plate, the lower ends of the buoyancy chambers of the foundation shaft and the lengthened shaft are sealed by a lower flange plate, and the upper flange plate of the foundation shaft and the lower flange plate of the lengthened shaft are fixedly connected by bolts.
As a further improvement of the above technical solution, preferably, a lifting lug is arranged on the outer side wall of the lengthened well bore; and an overhauling crawling ladder is arranged on the inner side wall of the lengthened well body.
Compared with the prior art, the invention has the advantages that:
(1) the surface water taking well of the invention is characterized in that the foundation well body is integrally hoisted to a proper position of a river bed, when the foundation shaft is hoisted to the water, the foundation shaft body enters the water to generate certain buoyancy to counteract the gravity of the foundation shaft body due to the existence of the buoyancy cabin, thereby reducing the load of hoisting equipment, improving the safety and the high efficiency of hoisting construction, and in addition, due to the existence of the buoyancy, the position of the basic well bore can be conveniently adjusted and later-period installation and removal can be conveniently carried out, the water taking well can be directly hung in river water without cofferdam filling and gas sealing construction and well base foundation blasting excavation, reduces excavation and backfilling of a large amount of earth and stone, can be widely suitable for harsh conditions of water taking places such as reservoirs, hollow lands, river flows, offshore places and the like, can repetitious assembly use, adaptability is wide, the practicality is strong, can accomplish the installation in shorter time limit for a project, provides high-efficient reliable construction water intaking and life water intaking for the user.
(2) According to the surface water taking well, the upper end of the basic well body is also provided with at least one lengthened well body, so that the water taking depth can be flexibly adjusted and different water taking ranges can be adapted. Meanwhile, the well body overhauling crawling ladder is convenient to maintain during operation, equipment fault maintenance and well body maintenance are carried out in time, and normal water supply is ensured.
Drawings
Fig. 1 is a schematic structural view of a surface water intake well according to embodiment 1 of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a schematic structural view of a surface water intake well according to embodiment 2 of the present invention.
Fig. 4 is a schematic diagram of hoisting a water intake well in embodiment 2 of the invention.
The reference numerals in the figures denote:
1. a base wellbore; 2. an inner wellbore; 3. an outer wellbore; 4. a bottom hole sealing plate; 41. a water inlet hole; 5. a buoyancy compartment; 6. a water inlet pipe; 7. a steel screen; 8. an upper flange plate; 9. a lower flange plate; 10. a bolt; 11. a water pump mounting rack; 12. lifting lugs; 13. overhauling the crawling ladder; 14. lengthening the well body; 15. a water pump; 16. a lifting rope; 17. and (5) a truck crane.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples of the specification.
Example 1
As shown in fig. 1 and 2, the surface water intake well of the present embodiment includes a basic well bore 1, the basic well bore 1 includes an inner well bore 2 and an outer well bore 3, a closed buoyancy chamber 5 is formed between the inner well bore 2 and the outer well bore 3, the upper and lower ends of the buoyancy chamber 5 are both closed and do not intake water, a water inlet pipe 6 penetrates through the side walls of the inner well bore 2 and the outer well bore 3, two ports of the water inlet pipe 6 are communicated with the inside and the outside of the well for introducing surface water into the basic well bore 1, and the water inlet pipe 6 separates the buoyancy chamber 5 without affecting the tightness of the buoyancy chamber 5.
During the use, install water pump 15 on the lateral wall of water intaking well, with basic shaft 1 integral hoisting to the suitable position of riverbed can, when hoist and mount to aquatic, because buoyancy cabin 5's existence, basic shaft 1 is gone into water and can is produced certain buoyancy, offsets basic shaft 1's gravity, the load of lifting device (like mobile crane 17) has been reduced, improve the security and the high efficiency of hoist and mount construction, moreover, because the existence of this buoyancy, can conveniently adjust the position of basic shaft 1 and the installation in later stage is demolishd. The water taking well can be directly hung in river water, cofferdam filling gas closing construction and well seat foundation blasting excavation are not needed, large-volume earth and stone excavation and backfilling are reduced, the water taking well can be widely suitable for harsh conditions of water taking places such as reservoirs, hollow places, river flows and offshore places, repeated assembly and use can be performed for many times, the adaptability is wide, the practicability is high, installation can be completed in a short construction period, and efficient and reliable construction water taking and living water taking are provided for users.
In this embodiment, the basic well body 1 further includes a bottom hole sealing plate 4, the inner well body 2, the outer well body 3 and the bottom hole sealing plate 4 are fixed to form a whole, the bottom hole sealing plate 4 forms the bottom hole of the basic well body 1, and the bottom hole sealing plate 4 is provided with a plurality of water inlet holes 41, so that water at the bottom hole can conveniently enter the basic well body 1.
In this embodiment, the water inlet pipes 6 are arranged in a plurality of rows along the sidewall of the basic wellbore 1, and each row is uniformly arranged in a ring shape, as shown in fig. 2. A water inlet pipe 6 is arranged near the lower end of the basic wellbore 1. The outer side of the water inlet pipe 6 is surrounded with a steel filter screen 7 for filtering scum and foreign matters in water. Similarly, the outside of the water inlet hole 41 of the bottom hole closing plate 4 is also surrounded by the steel filter screen 7.
In this embodiment, the inner well bore 2, the outer well bore 3 and the bottom seal plate 4 are all made of steel plates. The inner shaft 2, the outer shaft 3, the upper flange plate 8 and the lower flange plate 9 enclose a closed buoyancy cabin 5, and the lower flange plate 9 is fixedly connected with the bottom shaft closing plate 4 through bolts 10. The inner shaft 2, the outer shaft 3, the upper flange plate 8 and the lower flange plate 9 are integrally formed to form a basic well body 1 with a double-layer steel casing structure.
In this embodiment, the inside wall lower extreme of basic well bore 1 is equipped with water pump mounting bracket 11. The water pump 15 is installed on the water pump mounting bracket 11, and the water pipe of the water pump 15 is fixed along the inside wall of the basic well bore 1.
In this embodiment, the outer sidewall of the basic well 1 (the sidewall of the outer shaft 3) is provided with a lifting lug 12 for lifting. The inside wall (the side wall of the inner shaft 2) of the basic well body 1 is provided with an overhauling crawling ladder 13, so that an overhauling person can conveniently go in and out.
Example 2
As shown in fig. 3 and 4, the surface water intake well of the present embodiment includes the basic well bore 1 of embodiment 1, the upper end of the basic well bore 1 is further provided with an extended well bore 14, the extended well bore 14 includes an inner well bore 2 and an outer well bore 3, and a closed buoyancy chamber 5 is formed between the inner well bore 2 and the outer well bore 3. The bottom of the lengthened well body 14 is open and is in butt joint with the upper end opening of the basic well body 1. The purpose of the extended well bore 14 is to adjust the height of the water intake well depending on the depth of water intake.
In this embodiment, the upper end of the buoyancy chamber 5 of the lengthened well 14 is also sealed by an upper flange plate 8, the lower end is sealed by a lower flange plate 9, and the upper flange plate 8 of the basic well 1 and the lower flange plate 9 of the lengthened well 14 are fixedly connected by bolts 10. The upper end and the lower end of the lengthened well body 14 are provided with connecting flanges, so that connection during subsequent increase of the lengthened well body 14 is facilitated.
In this embodiment, the outer side wall of the lengthened well bore 14 is also provided with a lifting lug 12; and an overhauling crawling ladder 13 is arranged on the inner side wall of the lengthened well body 14 and is in butt joint with the overhauling crawling ladder 13 of the basic well body 1.
Because the base wellbore 1 is already provided with the water inlet pipe 6, in a specific application example, the water inlet pipe 6 may be arranged on the side wall of the extension wellbore 14, or not. In this embodiment, the side wall of the lengthened well bore 14 is not provided with the water inlet pipe 6, which is convenient for processing.
The processing and the installation principle of water taking well in this embodiment:
the first step is as follows: in a manufacturing workshop, a basic well body 1 and a lengthened well body 14 are machined by steel plates with the thickness of 8mm, the diameters of an inner well shaft 2 and an outer well shaft 3 are 1.5m and 2.1m respectively, and the lengths of all sections are 4-6 m.
The second step is that: six layers of water inlet pipes 6 are arranged within 3m of the lower part of the basic well body 1, the quantity is based on ensuring the water supply flow, and the water inflow in the steel well is ensured to meet the water supply requirement; meanwhile, a steel filter screen 7 is arranged on the outer sides of the water inlet pipe 6 and the shaft bottom sealing plate 4 to filter scum and foreign matters in water so as to meet the requirements of construction and domestic water, and then a water pump mounting frame 11 is arranged.
The third step: welding maintenance cat ladder 13 on the interior pit shaft 2 of basic well bore 1 and extension well bore 14, the access of the maintainer of being convenient for carries out the maintenance and the maintenance in later stage, later, will extend well bore 14 and basic well bore 1 fixed connection, specifically be through the last flange plate 8 of basic well bore 1 and the lower flange plate 9 of extension well bore 14 connect.
The fourth step: and (3) transporting the water taking well to a water taking site, installing a water pump 15, then penetrating a lifting rope 16 through the lifting lug 12 of the lengthened well body 14, and performing integral lifting by adopting a truck crane 17 after ensuring stability. During hoisting into water, the buoyancy generated by the buoyancy cabin 5 can effectively counteract the gravity of the water intake well, and increase the safety and the efficiency of hoisting construction.
In the method, the foundation wellbore 1 and the extension wellbore 14 are fixed into a whole and then hoisted into water, or the foundation wellbore 1 is hoisted into water first, and then the extension wellbore 14 is hoisted into water and installed with the foundation wellbore 1.
The above embodiment 2 exemplifies one elongated well 14, and in addition to this embodiment, 2 or more than 2 elongated wells 14 may be provided.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (8)
1. The utility model provides a surface water gets well which characterized in that: comprises a basic well bore (1), wherein the basic well bore (1) comprises an inner well bore (2) and an outer well bore (3), a closed buoyancy chamber (5) is formed between the inner shaft (2) and the outer shaft (3), a water inlet pipe (6) penetrates through the side walls of the inner shaft (2) and the outer shaft (3), the upper end of the basic well body (1) is provided with at least one lengthened well body (14), the extended length wellbore (14) comprises an inner wellbore (2) and an outer wellbore (3), a closed buoyancy chamber (5) is formed between the inner shaft (2) and the outer shaft (3), the upper ends of the buoyancy chambers (5) of the foundation well body (1) and the lengthened well body (14) are sealed by an upper flange plate (8), the lower ends are sealed by a lower flange plate (9), the upper flange plate (8) of the foundation well body (1) is fixedly connected with the lower flange plate (9) of the lengthened well body (14) through bolts (10).
2. The surface water intake well of claim 1, wherein: the basic well body (1) further comprises a well bottom sealing plate (4), and a plurality of water inlet holes (41) are formed in the well bottom sealing plate (4).
3. A surface water intake well according to claim 2, wherein: and steel filter screens (7) are arranged on the outer sides of the water inlet pipe (6) and the bottom hole sealing plate (4).
4. A surface water intake well according to claim 2, wherein: the inner shaft (2), the outer shaft (3) and the bottom hole sealing plate (4) are all steel plates.
5. The surface water intake well according to any one of claims 2 to 4, wherein: the upper end of the buoyancy cabin (5) is sealed through an upper flange plate (8), the lower end of the buoyancy cabin is sealed through a lower flange plate (9), and the lower flange plate (9) is fixedly connected with the bottom shaft sealing plate (4) through a bolt (10).
6. The surface water intake well according to any one of claims 1 to 4, wherein: and a water pump mounting frame (11) is arranged at the lower end of the inner side wall of the foundation well body (1).
7. The surface water intake well according to any one of claims 1 to 4, wherein: a lifting lug (12) is arranged on the outer side wall of the basic well body (1); and an overhauling crawling ladder (13) is arranged on the inner side wall of the foundation well body (1).
8. The surface water intake well of claim 1, wherein: a lifting lug (12) is arranged on the outer side wall of the lengthened well body (14); and an overhauling crawling ladder (13) is arranged on the inner side wall of the lengthened well body (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910446192.1A CN110130438B (en) | 2019-05-27 | 2019-05-27 | Surface water taking well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910446192.1A CN110130438B (en) | 2019-05-27 | 2019-05-27 | Surface water taking well |
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| CN110130438A CN110130438A (en) | 2019-08-16 |
| CN110130438B true CN110130438B (en) | 2020-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910446192.1A Active CN110130438B (en) | 2019-05-27 | 2019-05-27 | Surface water taking well |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173013B (en) * | 2019-12-24 | 2021-07-09 | 福州市第三建筑工程公司 | Progressive direct-pressure water intake pipe well |
| CN113684888A (en) * | 2021-08-26 | 2021-11-23 | 湖南省瑞隆科芯建设有限公司 | Water source well for surface water source water taking |
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| CN110130438A (en) | 2019-08-16 |
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