CN213709363U - Reservoir assembled layering water intaking head - Google Patents
Reservoir assembled layering water intaking head Download PDFInfo
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- CN213709363U CN213709363U CN202021360825.1U CN202021360825U CN213709363U CN 213709363 U CN213709363 U CN 213709363U CN 202021360825 U CN202021360825 U CN 202021360825U CN 213709363 U CN213709363 U CN 213709363U
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Abstract
The utility model aims at the previous water intake in the lake center, the obtained deep water of the reservoir is generally poor in water quality; the reservoir layered water taking is generally arranged at the lake bank, certain requirements are met on the topography of the lake bank, a cofferdam excavation mode is generally adopted, the cofferdam construction is large in investment and certain influences are brought to the water quality of the reservoir during construction, a reservoir assembly type layered water taking head is provided aiming at the problems and comprises a prefabricated floating sunk well and a plurality of sections of water taking tanks, the sections of water taking tanks are vertically connected through flange plate bolts, the floating sunk well is vertically screwed at the bottom of the water taking tank at the lowest section, a plurality of water inlets and corresponding water inlet gates and water inlet grids are arranged on the water taking tanks, layered water taking of the water taking head is achieved through time sharing opening and closing of the water inlet gates on different water inlets, meanwhile, cofferdam construction is not needed, and the reservoir layered water taking head has the advantages of convenience and quickness in implementation.
Description
Technical Field
The utility model relates to a reservoir water intaking facility technical field, concretely relates to reservoir assembled layering water intaking head.
Background
With the development of social economy, the requirements of urban life and industrial water on water quality and the safety of water supply are higher and higher. Many cities can regard the reservoir as the water source ground of supplying water, however, the general mobility of reservoir water is relatively poor, and also has certain change to compromise the requirement of flood control waterlogging resistance, and the characteristics of quality of water self for the quality of water of reservoir surface layer water and deep water is relatively poor. Therefore, when water is taken, high-quality raw water in the upper layer of the reservoir is taken, so that the engineering investment on the treatment process of the water plant can be reduced, and the water plant can treat the raw water more quickly to meet the requirement of a large amount of daily water in cities and countryside.
The water taking head is a facility which is arranged at the river bottom and is submerged or semi-submerged and takes water from a human water inlet pipe through a water inlet hole. The traditional layered water taking and taking port of the reservoir is generally arranged at the lake bank, the construction mode of cofferdam excavation is adopted for implementation, in order to ensure the water supply safety, related regulations put forward new requirements on the construction of a water source area, the water taking head of the reservoir is generally arranged in the center of the lake at the present stage, as the water depth at the center of the lake is larger, the cofferdam construction is large in investment and can cause certain influence on the water quality of the reservoir, and the taken deep water of the reservoir is generally deep water, so the water quality is poorer; therefore, the design and construction process of the water taking head of the reservoir are perfected, and the realization of layered water taking is significant.
SUMMERY OF THE UTILITY MODEL
Not enough to above-mentioned prior art exists, the utility model provides a reservoir assembled layering water intaking head can realize the lake center layering water intaking, needn't the cofferdam construction again simultaneously, implements convenient and fast.
The utility model discloses a solve the technical scheme that its technical problem adopted and be:
the utility model discloses an assembled layering water intaking head adopts the water intaking case type, and full steel construction bank or mill merogenesis preparation, concrete merogenesis number and merogenesis height can be confirmed according to the water intaking position department depth of water requirement, specifically include prefabricated transportation by floatation open caisson and multisection water intaking case, the multisection is got and is passed through the vertical connection of ring flange bolt between the water intaking case, the vertical spiro union of transportation by floatation open caisson is in the lower section the bottom of water intaking case, set up a plurality of water inlets on the water intaking case and correspondingly water inlet gate and water inlet grid, through different water inlets the timesharing of water inlet gate is opened and is closed the realization the layering water intaking of water intaking head, one side of transportation by floatation open caisson still is connected with water intaking pipeline for with the raw water in the water intaking is carried out.
Get the water tank and divide into first section and get the water tank, the second section gets the water tank and the third section and gets the water tank, and the water inlet that sets up and getting the water tank at first section is the lower part water inlet, and the water inlet that sets up on the second section gets the water tank is the upper portion water inlet, and the water inlet that sets up on the third section gets the water tank is the top water inlet, lower part water inlet, upper portion water inlet set up in a crisscross way.
In the technical scheme, the floating caisson is of a steel cylindrical structure, the circular well wall of the floating caisson is composed of two circles of steel plates, a concrete side wall layer is poured in a cavity formed between the two circles of steel plates, and a concrete sealing layer is arranged at the bottom of the floating caisson.
Get the water tank and be steel frame construction, the outside of getting the water tank is equipped with the steel sheet and encloses to getting the water tank and close, it is equipped with the supporting component who is used for strengthening to get water tank rigidity to get on a set of symmetry plane of water tank outermost side steel sheet, supporting component comprises two bracing of crisscross setting.
Furthermore, a water inlet gate and a water inlet grid are arranged on the upper water inlet and the lower water inlet, the top water inlet is only provided with the water inlet grid, the top of the uppermost water taking tank is provided with an overhauling platform, a plurality of opening and closing machines are arranged on the overhauling platform, the opening and closing machines are connected with the corresponding water inlet gate and the corresponding water inlet grid through extension rods, and a protective guard is arranged on the overhauling platform.
In the above technical scheme, a top water inlet can be further arranged at the top of the uppermost water taking tank, and correspondingly, a water inlet grid is also arranged on the top water inlet.
According to the technical scheme, the assembled layered water taking head of the reservoir is provided with a plurality of water inlets (a lower water inlet, an upper water inlet and a top water inlet) at different heights according to the water level and water quality requirements of the reservoir, a water inlet gate and a grille are arranged at the water inlet, the water inlet grille mainly plays a role in intercepting floating objects in water, and the water inlet gate is used for controlling the opening and closing of each water inlet. When the water level of the reservoir is higher, water enters from a water inlet at the top, and other water inlets are closed, so that high-quality raw water at the middle upper part of the reservoir is obtained; when the water level of the reservoir drops, the water inlet at the top cannot take water, and the water inlet at the upper part is opened to obtain high-quality raw water at the middle upper part of the reservoir at the existing water level; when the reservoir water level continues to descend and water can not be taken from both the top water inlet and the upper water inlet, the lower water inlet is opened, and high-quality raw water at the middle upper part of the existing reservoir water level is obtained.
Compared with the prior art, the beneficial effects of the utility model are that:
in the past, water intake from the lake center is generally arranged at a lower position to meet the requirement of ensuring the water intake rate, and the water intake is generally deep water of a reservoir, so that the water quality is poor; the reservoir layered water taking is generally arranged beside a lake bank by adopting a cofferdam excavation mode, the cofferdam construction has large investment and certain influence on the water quality of the reservoir during the construction period. Based on this, the utility model provides an assembled layering water intaking head can realize lake center layering water intaking, needn't the cofferdam construction again, implements convenient and fast. The method has the advantages of saving resources, improving the engineering quality, shortening the construction period, reducing the environmental pollution in the implementation process, having good social benefit and economic benefit, and being particularly shown in the following aspects:
1. the water intake head of the utility model is provided with a plurality of water inlets for layered water intake, which can acquire high quality raw water at the upper layer of the reservoir throughout the year and provide high quality water source for waterworks;
2. the water taking head part of the utility model adopts an assembly type, is prefabricated at the bank or in a factory and is assembled underwater, so that the engineering quality can be effectively controlled;
3. the assembly type structure has obvious cost advantage, and the component parts can greatly save engineering resources and labor cost in the manufacturing and mounting links;
4. cofferdam construction is not needed in the implementation period, so that the influence of construction on the water quality of the reservoir is reduced, and the environment can be effectively protected;
5. the construction period is shortened, and the working efficiency is improved.
Drawings
Fig. 1 is a sectional view of the overall structure of a first embodiment of the water intake head of the present invention (provided with three water intake tanks).
Fig. 2 is a plan view of the overall structure of the first embodiment of the water intake head of the present invention.
Fig. 3A is a plan view of a floating caisson according to an embodiment of the water intake head of the present invention. (the floating caisson of the second embodiment is the same as that of the first embodiment)
Fig. 3B is a cross-sectional view of a floating caisson according to an embodiment of the water intake head of the present invention. (the floating caisson of the second embodiment is the same as that of the first embodiment)
Fig. 4A is a plan view of the first water intake box of the first embodiment of the water intake head of the present invention. (the first water taking tank of the second embodiment is the same as that of the first embodiment)
Fig. 4B is a longitudinal sectional view of the first water tank according to the first embodiment of the water intake head of the present invention. (the first water taking tank of the second embodiment is the same as that of the first embodiment)
Fig. 5A is a plan view of a second water-taking tank in the first embodiment of the water-taking head of the present invention. (the second water-taking tank of the second embodiment is the same as that of the first embodiment)
Fig. 5B is a transverse sectional view of a second water tank according to the first embodiment of the water intake head of the present invention. (the second water-taking tank of the second embodiment is the same as that of the first embodiment)
Fig. 6A is a plan view of a third water intake box in the first embodiment of the water intake head of the present invention.
Fig. 6B is a cross-sectional view of a third section of the water intake box according to the first embodiment of the water intake head of the present invention.
Fig. 7 is a sectional view of the overall structure of a second embodiment of the water intake head of the present invention (provided with two water intake tanks).
Shown in the figure:
1-floating open caisson, 101-outer ring steel plate, 102-inner ring steel plate, 103-reinforcing plate, 104-steel pipe column, 105-shaped steel beam, 2-water taking tank, 201-first section water taking tank, 202-second section water taking tank, 203-third section water taking tank, 3-upper water inlet, 4-lower water inlet, 5-water inlet gate, 6-water taking pipeline, 7-concrete side wall layer, 8-concrete sealing bottom layer, 9-supporting component, 9.1-diagonal brace, 9.2-reinforcing channel steel, 10-water inlet grid, 11-maintenance platform, 12-opening and closing machine, 13-protective fence, 14-top water inlet, 15-flange plate, 16-extension rod and 17-enclosing steel plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
The utility model relates to a reservoir assembled layering water intaking head, its embodiment one is the water intaking head that is provided with three section water intaking tank structure, supports three elevation and intakes, and the concrete structure is as shown in the section view of figure 1 and the plan view of figure 2, from bottom to top includes in proper order that the superficial transport open caisson 1, first section get water tank 201, second section get water tank 202 and third section get water tank 203, the superficial transport open caisson 1, first section get water tank 201, second section get water tank 202 and third section get water tank 203 and can make on the reservoir margin ground of engineering construction ground or in professional factory, transport design position after the preparation and sink into one by one and assemble, between superficial transport open caisson 1 and first section get water tank 201, second section get water tank 202 and third section and get water tank 203 and all adopt bolted connection, cooperate the implementation by diver, set up lower part water inlet 4 on first section water intaking tank 201, set up upper portion water inlet 3 on second section water intaking tank 202, set up on third section water intaking tank 203 and set up top water inlet 14, all set up water inlet gate 5 and water inlet grid 10 on lower part and the upper portion water inlet, the top water inlet sets up water inlet grid 10, realizes through the timesharing switching of water inlet gate 5 the layering water intaking of water intaking head, one side of transportation by floatation caisson 1 still is connected with water intaking pipeline 6 for with raw water in the water intaking head is carried and is promoted to the water works in the pump house on bank and go.
Specifically, as shown in fig. 3A and 3B, the floating caisson 1 is of a steel cylindrical structure, the circular well wall of the floating caisson 1 is composed of an outer ring steel plate 101 and an inner ring steel plate 102, a plurality of reinforcing plates 103 are circumferentially arranged between the two rings of steel plates, four steel pipe columns 104 are further arranged on the upper portion between the two rings of steel plates, the four steel pipe columns 104 are surrounded into a square shape by steel section beams 105, a flange 15 is arranged on the top surface of each steel pipe column 104, and the water intake pipeline 6 is arranged on one side of the floating caisson 1.
Specifically, as shown in fig. 4A and 4B, the first water intake box 201 is of a steel frame structure, a square is formed by four steel pipe columns 104 and a steel frame, a steel plate 17 is arranged on the outer side of the steel frame to enclose the water intake box in a sealing manner, the lower water intake 4 is arranged on the left side and the right side of the first water intake box 201, and a water intake gate 5 and a water intake grille 10 are arranged on the lower water intake 4 in a matching manner; preferably, the shape of the square surrounded by the four steel pipe columns 104 and the section steel frame corresponds to the shape of the square frame of the floating caisson 1, the flange plates 15 are arranged on the bottom surfaces of the four steel pipe columns 104 of the first section of the water taking tank 201, when the connection is performed, the first section of the water taking tank 201 is hoisted to the upper part of the floating caisson 1, the two square frames are aligned, and the two square frames are connected together through the two corresponding flange plates 15 by bolts.
Further, a supporting assembly 9 for reinforcing the rigidity of the water taking tank is arranged on a group of symmetrical planes of the outermost steel plate 17 of the first water taking tank 201, the supporting assembly 9 is composed of two inclined struts 9.1 which are arranged in a staggered mode, and a reinforcing channel steel 9.2 is further arranged on the outermost steel plate 17 of the first water taking tank 201.
Specifically, as shown in fig. 5A and 5B, the second joint water tank 202 has the same composition structure as the first joint water tank 201, except that the upper water inlet 3 of the second joint water tank 202 is staggered from the lower water inlet 4 of the first joint water tank 201, that is, the upper water inlet 3 of the second joint water tank 202 is disposed at the front and rear sides of the second joint water tank 202, a group of symmetric surfaces of the outermost steel plate is also provided with a support assembly 9 for enhancing the rigidity of the water tank, and the support assembly 9 can be disposed at the lower part of the water tank or at the upper part of the water tank, and can be flexibly disposed as required.
Specifically, as shown in fig. 6A and 6B, the third water intake tank 203 has the same composition as the first water intake tank 201, except that the water intake port of the third water intake tank 203 is a top water intake port 14 horizontally disposed at the lower part of the third water intake tank 203, and accordingly, the water intake grille 10 is horizontally disposed without a water intake gate, a steel platform is disposed at the top of the third water intake tank 203 for servicing the platform 11, a plurality of opening and closing machines 12 are disposed on the servicing platform 11, and the opening and closing machines 12 are connected with the water intake gate 5 and the water intake grille 10 through extension rods 16 for opening and closing.
Further, the connection mode among the first water taking tank 201, the second water taking tank 202 and the third water taking tank 203 is the same as the connection mode among the first water taking tank 201 and the floating sinking well 1, and the connection modes are all bolt connection among the flanges 15, so that the connection has the advantages of simplicity and easiness in operation.
The specific installation process of the first embodiment is as follows:
1. manufacturing a floating open caisson 1 and each section of water taking tank 2 in an open space beside a reservoir of an engineering construction site or a professional factory, wherein the floating open caisson 1 and the water taking tank 2 are formed by welding structural steel, steel plates and other members, and performing anticorrosion treatment;
2. after the manufacturing is finished, the floating caisson 1 and each section of the water taking tank 2 are conveyed to the side of a reservoir to be built at a water taking head part, a field is leveled, a slide way is laid, the floating caisson 1 is firstly pulled into water, a ship or a buoy platform is used for floating to a designed position of the water taking head part, water is poured and sinks to be in place, then underwater concrete is poured into a cavity between two circles of steel plates of the floating caisson 1 to form a concrete side wall layer 7 for weight pressing, underwater excavation is carried out inside a well body of the floating caisson 1 to sink to a designed elevation (if the burial depth is shallow, the underwater excavation can also be carried out in advance, a groove is dug to the lake leveling bed with the designed elevation, the floating caisson 1 is directly placed on the lake bed with the designed elevation and then backfilled with a foundation groove underwater), and then the floating caisson 1 is subjected to concrete bottom sealing under water to form;
3. a buoy platform is adopted to convey a first section of water taking tank 201 to a water taking head design position, the first section of water taking tank 201 is hoisted, a square steel frame of the first section of water taking tank 201 is aligned with a square steel frame of the floating caisson 1, the first section of water taking tank 201 is connected to the floating caisson 1 through bolt connection between flange plates 15, and the process is implemented by cooperation of divers;
4. a buoy platform is adopted to convey a second section of water taking tank 202 and a third section of water taking tank 203 to the designed position of a water taking head in sequence, and the second section of water taking tank 202 and the third section of water taking tank 203 are connected according to the connection mode of the first water taking tank 201 and the floating sinking well 1, and the process is still implemented by cooperation of divers;
5. if the water depth is larger, the number of the sections of the water taking tank 2 can be increased according to the specific height of the water taking head and the construction hoisting capacity;
6. after all the water taking tanks 2 are hoisted in sections, the water inlet gate 5, the water inlet grille 10 and the extension rod 16 of the hoist 12 are butted underwater;
7. and (5) mounting the rest auxiliary structures.
The operation mode of the first embodiment is as follows:
1. when the water level of the reservoir is higher (higher than the top water inlet 14), closing the water inlet gates 5 of the upper water inlet 3 and the lower water inlet 4, and taking water from the top water inlet 14;
2. when the water level of the reservoir is lowered (lower than the top water inlet 14) and the top water inlet 14 cannot take water, the upper water inlet 3 is opened, and water is taken from the upper water inlet 3;
3. when the water level of the reservoir continues to drop and both the top water inlet 14 and the upper water inlet 3 are unable to take water, the lower water inlet 4 is opened, at which time the upper water inlet 3 can be closed to take water from the lower water inlet 4.
According to the installation process of the first embodiment, the water taking head provided by the utility model is a prefabricated assembly type device which only needs to be hoisted on site, has the advantage of low manufacturing cost, can obviously shorten the construction period and save the cost; can know through its operational mode, the utility model discloses a water intaking head can open the intake of corresponding height according to the real-time water level of reservoir and take water, can gain the high-quality raw water on upper strata in the current reservoir water level all the time, provides high-quality water source for the water works.
Example two
The utility model relates to a reservoir assembled layered water intake head, the second embodiment is a water intake head with two water intake tank structures, which supports water intake at two elevations, the concrete structure is shown in figure 7, the difference between the structure and the composition of the water intake head with three water intake tanks in the first embodiment is that the second embodiment is provided with two water intake tanks 2, which are a first water intake tank 201 and a second water intake tank 202, the first and second water collecting tanks 201 and 202 are shown in fig. 4A and 4B and fig. 5A and 5B, respectively, in this embodiment, since there is no third water collecting tank, the maintenance platform 11 is disposed on the top of the second water collecting tank 202, and a plurality of opening and closing machines 12 are provided on the maintenance platform 11, and the opening and closing machines 12 are connected with the corresponding water inlet gates 5 and the water inlet grilles 10 through extension rods 16. The installation process and the operation mode of the water taking head part described in the second embodiment are the installation process and the operation mode of the first embodiment, and are not described again here.
It should be noted that, only list above the utility model discloses a two sections of water tanks and three section of water tank form are got to water head, get the festival number of water tank and can increase according to actual demand in actual engineering, also can not increase the festival number of getting the water tank, get the height that water tank 202 or third section got water tank 203 with the second section and increase to required height can.
The parts not described in the specification are prior art or common general knowledge. The present embodiment is only used for illustrating the present invention, and is not used to limit the scope of the present invention, and modifications such as equivalent replacement made by those skilled in the art to the present invention are all considered to fall within the protection scope of the claims of the present invention.
Claims (7)
1. The utility model provides a reservoir assembled layering water intaking head which characterized in that: including prefabricated transportation by flotation open caisson (1) and multisection water intaking case (2), the multisection is got and is connected through ring flange bolt vertical between water intaking case (2), the vertical spiro union of transportation by flotation open caisson (1) is in the lower section the bottom of water intaking case (2), set up a plurality of water inlets on water intaking case (2) and correspondingly water inlet gate (5) and water inlet grid (10), through different water inlets the timesharing of water inlet gate (5) is opened and is closed the realization of the layering water intaking of water intaking head, one side of transportation by flotation open caisson (1) still is connected with water intaking pipeline (6), be used for with raw water in the water intaking head is carried away.
2. The reservoir-mounted layered water intake head of claim 1, wherein: get water tank (2) and divide into first festival and get water tank (201), second festival and get water tank (202) and third festival and get water tank (203), set up the water inlet of getting water tank (201) at first festival for lower part water inlet (4), the water inlet that sets up on second festival gets water tank (202) is upper portion water inlet (3), the water inlet that sets up on third festival gets water tank (203) is top water inlet (14), lower part water inlet (4), upper portion water inlet (3) crisscross the setting.
3. The reservoir-mounted layered water intake head of claim 1, wherein: the floating caisson (1) is of a steel cylindrical structure, the circular well wall of the floating caisson (1) is composed of two circles of steel plates, a concrete side wall layer (7) is poured in a cavity formed between the two circles of steel plates, and a concrete bottom sealing layer (8) is arranged at the bottom of the floating caisson (1).
4. The reservoir-mounted layered water intake head of claim 1, wherein: get water tank (2) and be steel frame construction, the outside of getting water tank (2) is equipped with the steel sheet and seals to getting water tank (2) and enclose and close, be equipped with supporting component (9) that are used for strengthening to get water tank (2) rigidity on a set of symmetrical plane of getting water tank (2) outermost steel sheet.
5. The reservoir-mounted layered water intake head of claim 4, wherein: the supporting component (9) is composed of two inclined struts (9.1) which are arranged in a staggered mode.
6. The reservoir-mounted layered water intake head of claim 1, wherein: the top of the uppermost water taking tank (2) is provided with an overhaul platform (11), a plurality of opening and closing machines (12) are arranged on the overhaul platform (11), and the opening and closing machines (12) are connected with corresponding water inlet gates (5) and corresponding water inlet grids (10) through extension rods.
7. The reservoir-mounted layered water intake head of claim 6, wherein: and a protective guard (13) is arranged on the maintenance platform (11).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021360825.1U CN213709363U (en) | 2020-07-10 | 2020-07-10 | Reservoir assembled layering water intaking head |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021360825.1U CN213709363U (en) | 2020-07-10 | 2020-07-10 | Reservoir assembled layering water intaking head |
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| CN213709363U true CN213709363U (en) | 2021-07-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115961588A (en) * | 2022-07-15 | 2023-04-14 | 中交一公局集团有限公司 | Water drainage tower device and construction method |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115961588A (en) * | 2022-07-15 | 2023-04-14 | 中交一公局集团有限公司 | Water drainage tower device and construction method |
| CN115961588B (en) * | 2022-07-15 | 2023-08-08 | 中交一公局集团有限公司 | Water discharge tower device and construction method |
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