CN113774990B - Bank side semi-buried thin-wall cylindrical water taking pump station structure - Google Patents
Bank side semi-buried thin-wall cylindrical water taking pump station structure Download PDFInfo
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- CN113774990B CN113774990B CN202110981510.1A CN202110981510A CN113774990B CN 113774990 B CN113774990 B CN 113774990B CN 202110981510 A CN202110981510 A CN 202110981510A CN 113774990 B CN113774990 B CN 113774990B
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B5/00—Use of pumping plants or installations; Layouts thereof
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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
- E03B3/04—Methods or installations for obtaining or collecting drinking water or tap water from surface water
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Abstract
The invention provides a bank side semi-buried thin-wall cylindrical water taking pump station structure which comprises a cylindrical pump room arranged on a water taking bank side, wherein a layer of soil pressure bearing structure is arranged on one side of a bank slope and along the outer side of the cylinder wall of the cylindrical pump room, a soft cushion layer is arranged between the soil pressure bearing structure and the cylinder wall of the cylindrical pump room, and a drainage system connected with a reservoir or a river channel is arranged in the soft cushion layer; an underwater water collecting well is jointly arranged on the water taking side of the cylindrical pump room, and a water taking forebay connected with a river channel is arranged on the outer side of the underwater water collecting well. The invention is mainly suitable for water taking from reservoirs or river channels with steep mountains and multiple banks and large reservoir water level difference, and has the advantages of reasonable structure, simple construction, convenient maintenance and investment saving compared with the traditional method.
Description
Technical Field
The invention relates to the technical field of water intake pump station structures, in particular to a bank side semi-buried thin-wall cylindrical water intake pump station structure.
Background
Urban living and industrial water is supplied by adopting a water taking mode of a shoreside semi-buried pump station. A water taking pump station and a water delivery system are required to be built, the water taking pump station is a key part in the whole water supply system and is required to be safe and reliable, and the pump station comprises a water taking pump room, a water collecting well and a head water taking structure. For mountainous and multi-bank steep areas, a cylindrical pump room is constructed on the bank side, a water collecting well is arranged inside the cylindrical pump room, and water is taken by using a water taking head. The cylindrical pump house is arranged on the bank side of the steep slope and is acted by uneven soil pressure and water pressure, so that the required structural strength is high, and the concrete of the cylindrical pump house cylinder wall structure is thick; the water collecting well is arranged in the cylindrical pump room, so that the area of the cylindrical pump room is greatly increased; the water taking head needs underwater construction, the construction process is complex, and the maintenance is difficult. The pump station arrangement mode is high in construction difficulty, difficult to maintain and high in investment.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a shore semi-buried thin-wall cylindrical water intaking pump station structure. The invention is mainly suitable for water taking from reservoirs or river channels with steep mountains and multiple banks and large reservoir water level difference, and has the advantages of reasonable structure, simple construction, convenient maintenance and investment saving compared with the traditional method.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the utility model provides a bank side partly buries formula thin wall cylinder water intaking pump station structure which characterized in that: the system comprises a cylindrical pump room arranged on the water intake bank, wherein a layer of soil pressure bearing structure is arranged on one side of a bank slope and along the outer side of the cylinder wall of the cylindrical pump room, a soft cushion layer is arranged between the soil pressure bearing structure and the cylinder wall of the cylindrical pump room, and a drainage system connected with a reservoir or a river channel is arranged in the soft cushion layer; an underwater water collecting well is jointly arranged on the water taking side of the cylindrical pump room, and a water taking forebay connected with a river channel is arranged on the outer side of the underwater water collecting well.
Further: the cylindrical pump house is of a thin-wall concrete structure, annular hoisting equipment is arranged at the top of the cylindrical pump house, a water pump system is arranged at the bottom of the cylindrical pump house, a water pump water taking pipeline is arranged on the side wall of the underwater water collecting well connected with the cylindrical pump house, the inlet of the water pump water taking pipeline is connected with the underwater water collecting well, and the outlet of the water pump water taking pipeline is connected with the water pump system.
Further: a plurality of drain holes are formed in the soft cushion layer, a plurality of groups of drain pipes are arranged on the outer wall of the cylindrical pump room, water inlets of the drain pipes are connected with the drain holes, water outlets of the drain pipes are connected with a reservoir or a river channel, and the soft cushion layer is of a water permeable structure.
Further: the soil pressure bearing structure is formed by pouring gelled sand gravel, and is a variable cross-section water permeable structure with large bottom thickness and small upper thickness.
Further: the arrangement height of the drain holes in the cushion layer is higher than a low water level, the drain pipes are arranged along the outer wall of the cylindrical pump room and buried in the backfilled stone ballast, and the water outlets of the drain pipes are arranged in a water taking forebay.
Further: the top elevation of the underwater water collecting well is higher than the low water level and is below the highest water level of the reservoir, and the top of the underwater water collecting well is provided with a vent hole and an overhauling manhole.
And further: the underwater water collecting well is characterized in that a water taking hole is formed in the wall of the well at the bottom of the underwater water collecting well, the underwater water collecting well is connected with a water taking forebay through the water taking hole, and a trash rack and an overhaul gate are arranged in the water taking hole.
Further: and a sand blocking ridge is arranged at the water inlet of the water taking forebay, and the top elevation of the sand blocking ridge is lower than the low water level and meets the overflow requirement when the reservoir water level is lowest.
Compared with the prior art, the invention has the following advantages and beneficial effects:
according to the invention, the layer of soil pressure bearing structure is arranged on one side of the pump house structure bank slope, and the soft cushion layer is arranged between the bearing layer and the wall of the pump house, so that the effect of the bank slope soil pressure can be greatly reduced, the stress of the pump house structure is smaller and more uniform, the stability of the pump house can be greatly improved, the thickness of the outer wall concrete is reduced, and the investment is saved.
The drainage system is arranged in the soft cushion layer, so that the high external water pressure on one side of the bank slope of the pump house caused by rainstorm or sudden drop of the reservoir water level can be quickly reduced, the external water pressure of the pump house structure is balanced, the stability of the pump house structure is improved, the thickness of the outer wall concrete is reduced, and the investment is saved.
The water collecting well is arranged outside the pump room and underwater, so that the height is small, the cross-sectional area of the cylindrical pump room can be greatly reduced, the structural strength of the pump room is improved, the consumption of concrete is reduced, and the investment is reduced.
The invention replaces the traditional water taking head with the water taking forebay, avoids underwater construction, reduces the construction difficulty and is more convenient to overhaul.
Drawings
FIG. 1 is a horizontal cross-sectional view of the present invention;
fig. 2 is a structural elevation of the present invention.
Reference numerals: 1-a cylindrical pump house; 2-a soil pressure bearing structure; 3-a cushion layer; 4, a drain pipe; 5-hoisting the object raise; 6-a water pump system; 7-stairs; 8-underwater water collecting well; 9-inspection manhole; 10-a vent hole; 11-maintenance of the gate; 12-a drain hole; 13-an annular hoisting device; 14-original ground line; 15-external traffic road of cylindrical pump house; 16-backfilling the stone slag; 17-side line excavation; 19-water taking hole; 20-a water pump water intake pipeline; 21-trash rack; 22-taking water from a forebay; 23-sand blocking ridge.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in conjunction with specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the present invention; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the invention.
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
As shown in fig. 1 to 2, a bank semi-buried thin-walled cylindrical water intake pump station structure comprises a cylindrical pump room 1 arranged at the bank for taking water, a layer of soil pressure bearing structure 2 is arranged on one side of a bank slope and along the outer side of the cylinder wall of the cylindrical pump room 1, a soft cushion layer 3 is arranged between the soil pressure bearing structure 2 and the cylinder wall of the cylindrical pump room 1, and a drainage system connected with a reservoir or a river channel is arranged in the soft cushion layer 3; an underwater water collecting well 8 is jointly arranged on the water taking side of the cylindrical pump room 1, the underwater water collecting well 8 is arranged on the outer side of the cylindrical pump room 1, and a water taking forebay 22 connected with a river channel is arranged on the outer side of the underwater water collecting well 8. As the cylindrical pump room 1 is provided with the soil pressure bearing structure 2 on the side of the bank slope and the underwater water collecting well 8 is arranged on the outer side of the cylindrical pump room 1, the diameter size of the whole cylindrical pump room 1 is reduced compared with that of the pump room in the prior art.
Firstly, the top elevation and the bottom elevation of the cylindrical pump room 1 are determined according to the water level change of water intake, and the cross-sectional area of the cylindrical pump room 1 is determined according to the capacity and the number of the water pumps. The thickness of the soil pressure bearing structure 2 is determined according to the soil pressure, and the vertical surface area of the soil pressure bearing structure 2 covers the soil pressure action range of one side of the whole bank slope. The thickness of the cushion layer 3 should be determined according to the deformation amount of the bearing layer.
The cylindrical pump house 1 is of a thin-wall concrete structure, uneven soil pressure and water pressure caused by a mountain to the cylinder wall of the cylindrical pump house 1 are offset or partially offset by arranging the soil pressure bearing structure 2 and the soft cushion layer 3, influence of the uneven soil pressure and the water pressure caused by the mountain to the cylinder wall of the cylindrical pump house 1 in the prior art is not needed to be considered or is limited to be considered in the cylindrical pump house 1, therefore, in the invention, the cylindrical pump house 1 is of the thin-wall concrete structure, the annular hoisting equipment 13 is arranged at the top of the cylindrical pump house 1, the water pump system 6 is arranged at the bottom of the cylindrical pump house 1, the water pump water intake pipeline 20 is arranged on the side wall of the underwater water collecting well 8 connected with the cylindrical pump house 1, the inlet of the water pump water intake pipeline 20 is connected with the underwater water collecting well 8, and the outlet of the water pump pipeline is connected with the water pump system 6.
The soft cushion layer 3 is internally provided with a plurality of drain holes 12, the outer wall of the cylindrical pump room 1 is provided with a plurality of groups of drain pipes 4, the water inlets of the drain pipes 4 are connected with the drain holes 12, the water outlets of the drain pipes 4 are connected with a reservoir or a river channel, the soft cushion layer 3 is of a permeable structure, meets the drainage requirement and the reverse filtration requirement, and the soft cushion layer 3 is used for adapting to the deformation of the soil pressure bearing structure 2 and avoiding the pressure from being transmitted to the wall of the cylindrical pump room 1.
The soil pressure bearing structure 2 is formed by pouring gelled sand gravel, so that investment can be reduced, the water permeating requirement is met, the soil pressure bearing structure 2 is a variable cross-section water permeating structure with large bottom thickness and small upper thickness, soil pressure borne by the bottom is large, the thickness of the tower body of the soil pressure bearing structure 2 is properly increased, the thickness of concrete of the tower body of the soil pressure bearing structure 2 is properly reduced at the top, and the purpose of saving engineering investment is achieved. The soil pressure bearing structure 2 is used for resisting the soil pressure on the mountain side of the cylindrical pump room 1, reducing the stress of the cylindrical wall structure of the cylindrical pump room 1 and serving as a bearing layer.
The arrangement height of the drain holes 12 in the soft cushion layer 3 is above the low water level, the arrangement range of the drain holes 12 is consistent with the ranges of the soil pressure bearing structure 2 and the soft cushion layer 3, the drain pipe 4 is arranged along the outer wall of the cylindrical pump room 1 and is buried in the backfill stone ballast 16, and the water outlet of the drain pipe 4 is arranged in the water intake forebay 22 (namely the outlet position meets the requirement of draining water to a reservoir). The drain hole 12 is used for draining the water outside the cylindrical wall of the cylindrical pump room 1, and the drainage system is used for balancing the pressure of the water outside the cylindrical pump room 1 so as to enable the water to be stressed evenly. In order to prevent corrosion and ensure the durability of the drain pipe 4, PVC pipes are preferably used
The top elevation of the underwater water collecting well 8 is higher than the low water level (meeting the requirement of certain maintenance time), and the bottom elevation meets the requirement of water taking in operation of a water pump below the highest water level of a reservoir; in order to meet the requirements of exhaust and maintenance, the top of the underwater water collecting well 8 is provided with a vent hole 10 and a maintenance manhole 9, the maintenance manhole 9 is provided with a sealing cover plate, and the underwater water collecting well 8 is of a concrete structure. The size of the water collecting well is determined according to the capacity requirement of the water collecting well. The top elevation of the vent hole 10 of the underwater water collecting well 8 is the same as the height of the cylindrical pump room 1.
Set up water intake hole 19 on the wall of a well of water collection well 8 bottom under water, water collection well 8 connects water intaking forebay 22 through water intake hole 19 under water, the velocity of flow distribution scope that water collection well 8 water intaking hole 19 under water should satisfy the standard requirement, arranges in the water intaking hole 19 trash rack 21 and maintenance gate 11, and trash rack 21 is used for satisfying the trash rack requirement, and maintenance gate 11 is close to one side setting of water intaking forebay 22 for trash rack 21, and when maintenance gate 11 is convenient for the reservoir water level and is less than water collection well 8 top under water, the lower floodgate carries out the inspection of water collection well 8 under water.
The water intake forebay 22 is provided with a sand blocking bank 23 at the water inlet, the elevation of the bottom plate of the sand blocking bank 23 is lower than that of the water intake hole 19, the top elevation of the sand blocking bank 23 is lower than the low water level, the overflow requirement when the reservoir water level is lowest is met, and the sand blocking bank 23 can be arranged by combining surrounding rocks in the construction period.
The size of the water taking forebay 22 is arranged according to the overflow requirement, and the bottom plate is lower than the height of the water taking hole 19, so that the water taking forebay has a certain sand settling function. When the pump station is large in scale, complex in operation condition or high in grade, model test or fluid mechanics simulation (CFD) technology is needed to analyze the flow state of the underwater water collecting well 8 and the water intake forebay 22 so as to meet the standard requirements.
The annular hoisting equipment 13, the stairs 7, the water pump system 6, the patio railing and the like are designed in a conventional structure, and the invention is not described in detail.
The invention is suitable for reservoir or river water taking projects with steep bank slopes and large water level drops, and whether the reservoir water taking with slow bank slopes or small water level drops is appropriate or not is determined by carrying out economic comparison analysis on the reservoir water taking with the conventional water taking pump station structure.
According to the description and the attached drawings of the invention, a shoreside semi-buried thin-wall cylindrical water intake pump station structure can be easily manufactured or used by a person skilled in the art, and the positive effects recorded by the invention can be produced.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (7)
1. The utility model provides a bank side partly buries formula thin wall cylinder water intaking pump station structure which characterized in that: the water intake system comprises a cylindrical pump room (1) arranged on the water intake bank, a layer of soil pressure bearing structure (2) is arranged on one side of a bank slope and along the outer side of the cylinder wall of the cylindrical pump room (1), a soft cushion layer (3) is arranged between the soil pressure bearing structure (2) and the cylinder wall of the cylindrical pump room (1), and a drainage system connected with a reservoir or a river channel is arranged in the soft cushion layer (3); an underwater water collecting well (8) is jointly arranged at the water taking side of the cylindrical pump room (1), and a water taking forebay (22) connected with a river channel is arranged at the outer side of the underwater water collecting well (8);
the soft cushion layer (3) is of a water permeable structure, and a plurality of drain holes (12) are formed in the soft cushion layer (3); the soil pressure bearing structure (2) is formed by pouring gelled sand gravel, and the soil pressure bearing structure (2) is a variable cross-section permeable structure with large bottom thickness and small upper thickness.
2. The shore semi-buried thin-wall cylindrical water intaking pump station structure according to claim 1, characterized in that: the cylindrical pump house (1) is of a thin-wall concrete structure, annular hoisting equipment (13) is arranged at the top of the cylindrical pump house (1), a water pump system (6) is arranged at the bottom of the cylindrical pump house (1), a water pump water taking pipeline (20) is arranged on the side wall, connected with the cylindrical pump house (1), of the underwater water collecting well (8), the inlet of the water pump water taking pipeline (20) is connected with the underwater water collecting well (8), and the outlet of the water pump water taking pipeline is connected with the water pump system (6).
3. The shore semi-buried thin-wall cylindrical water intaking pump station structure according to claim 1, characterized in that: the outer wall of the cylindrical pump room (1) is provided with a plurality of groups of drain pipes (4), water inlets of the drain pipes (4) are connected with the drain holes (12), and water outlets of the drain pipes (4) are connected with a reservoir or a river channel.
4. The shore semi-buried thin-wall cylindrical water intake pump station structure according to claim 1, characterized in that: the arrangement height of the drain holes (12) in the soft cushion layer (3) is above the low water level, the drain pipe (4) is arranged along the outer wall of the cylindrical pump room (1) and is buried in the backfill stone ballast (16), and the water outlet of the drain pipe (4) is arranged in the water taking forebay (22).
5. The shore semi-buried thin-wall cylindrical water intaking pump station structure according to claim 1, characterized in that: the top elevation of the underwater water collecting well (8) is higher than the low water level, and a vent hole (10) and an overhauling manhole (9) are arranged at the top of the underwater water collecting well (8) and below the highest water level of the reservoir.
6. The shore semi-buried thin-wall cylindrical water intaking pump station structure according to claim 1, characterized in that: set up water intaking hole (19) on the wall of a well of water collecting well (8) bottom under water, water intaking forebay (22) is connected through water intaking hole (19) in water collecting well (8) under water, arranges in water intaking hole (19) trash rack (21) and maintenance gate (11).
7. The shore semi-buried thin-wall cylindrical water intaking pump station structure according to claim 1, characterized in that: a sand blocking ridge (23) is arranged at a water inlet of the water taking forebay (22), and the top elevation of the sand blocking ridge (23) is lower than the low water level and meets the water taking requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110981510.1A CN113774990B (en) | 2021-08-25 | 2021-08-25 | Bank side semi-buried thin-wall cylindrical water taking pump station structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110981510.1A CN113774990B (en) | 2021-08-25 | 2021-08-25 | Bank side semi-buried thin-wall cylindrical water taking pump station structure |
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| CN113774990A CN113774990A (en) | 2021-12-10 |
| CN113774990B true CN113774990B (en) | 2022-09-30 |
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| CN202110981510.1A Active CN113774990B (en) | 2021-08-25 | 2021-08-25 | Bank side semi-buried thin-wall cylindrical water taking pump station structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114411882B (en) * | 2022-02-10 | 2024-03-26 | 中国电建集团贵阳勘测设计研究院有限公司 | Pump station arrangement structure based on small flow and large lift amplitude |
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2021
- 2021-08-25 CN CN202110981510.1A patent/CN113774990B/en active Active
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| GB2469120A (en) * | 2009-04-03 | 2010-10-06 | Limited Dartmouth Wave Energy | System and method of transferring water to shore |
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| CN108049370A (en) * | 2017-10-26 | 2018-05-18 | 中国水利水电科学研究院 | Cemented gravel dam antiseepage drainage system |
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Inventor after: Chen Xiangrong Inventor after: Meng Jiangbo Inventor after: Hu Zhengkai Inventor after: Sun Hongliang Inventor after: Han Xiaohui Inventor after: Shao Guowei Inventor after: Chen Weibo Inventor before: Chen Xiangrong Inventor before: Sun Hongliang Inventor before: Hu Zhengkai Inventor before: Meng Jiangbo Inventor before: Han Xiaohui Inventor before: Shao Guowei Inventor before: Chen Weibo |
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