CN109138064A - Anti- aeration method and head-tank equipped with anti-aeration structure - Google Patents
Anti- aeration method and head-tank equipped with anti-aeration structure Download PDFInfo
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- CN109138064A CN109138064A CN201811103778.XA CN201811103778A CN109138064A CN 109138064 A CN109138064 A CN 109138064A CN 201811103778 A CN201811103778 A CN 201811103778A CN 109138064 A CN109138064 A CN 109138064A
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
- E03B11/10—Arrangements or adaptations of tanks for water supply for public or like main water supply
- E03B11/12—Arrangements or adaptations of tanks for water supply for public or like main water supply of high-level tanks
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Abstract
The invention discloses a kind of anti-aeration method and the head-tank equipped with anti-aeration structure, the next water-storing device is set, storing in the next water-storing device has water, the upper water-storing device for being higher than the next water-storing device is set, the water-supply-pipe for being connected to upper water-storing device and the next water-storing device is set, the lower nozzle of water-supply-pipe is connected to the next water-storing device, and the position of lower nozzle is located at the water surface in the next water-storing device or less.The utility model has the advantages that when water flows into the next water-storing device from upper water-storing device, the water surface of the next water-storing device or less is directly injected by lower nozzle, it is formed and stable floods water flow, it can inhibit water flow aeration, the fluctuating range of water supply line hydraulic pressure can also be reduced, the reliability that water system supplies water over long distances can be improved in the failure risk for being conducive to reduce water supply line.The present invention relates to hydraulic structures.
Description
Technical field
The present invention relates to hydraulic structure, in particular to anti-aeration method and the head-tank equipped with anti-aeration structure.
Background technique
Head-tank is different from general pond, is used exclusively for the hydraulic structure to supply water over long distances.Head-tank master
The function of wanting is the tailwater level that can stablize pumping plant, and water level in adjustable well, guarantees the stability of delivery head.
Head-tank in the prior art is typically designed to cylindrical shape, and water first passes through annular overflow after water inlet pipe entrance
Weir, then overflow enters in well, and underground portion is connected with outlet pipe, and well water position changes with the variation of flow and head loss.Its
Technological deficiency is: the height of water is larger, and dropping into minimum operation water level from annular overflow weir can reach tens meters, water drop
It will cause a large amount of bubble to be blended into water body, bubble enters in outlet pipe with water flow, can aggravate the wave of water supply line hydraulic pressure
Dynamic amplitude, it is possible to damage water supply line, be unfavorable for supplying water over long distances.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of anti-aeration method and equipped with the high-order water of anti-aeration structure
Pond, to reduce water drop and inhibit water flow aeration.
Used technical solution to solve above-mentioned technical problem:
The next water-storing device is arranged in a kind of anti-aeration method, and storing in the next water-storing device has water, and setting is higher than the next water storage
The upper water-storing device of device, setting are connected to the water-supply-pipe of upper water-storing device and the next water-storing device, the lower nozzle of water-supply-pipe
It is connected to the next water-storing device, the position of lower nozzle is located at the water surface in the next water-storing device or less.
As an improvement, several reservoirs that setting height reduces step by step in upper water-storing device, in each reservoir
Several water-supply-pipes are set, are filled the water into reservoir, water is made to flow into each reservoir step by step from high to low.
A kind of head-tank equipped with anti-aeration structure, the outer well of interior well, the tubular being set in outside interior well including tubular
And the bottom plate being located between the outer wall of interior well and the inner wall of outer well, the top of outer well are higher than interior well, the top of interior well is higher than bottom plate,
Interior well, bottom plate and outer well surround upper water-storing device, and the inner wall of interior well surrounds the next water-storing device, head-tank further include with it is upper
Several water inlet pipes of position water-storing device connection and several outlet pipes being connected to the next water-storing device, upper water-storing device and bottom
It is equipped with several water-supply-pipes between water-storing device and is connected to by water-supply-pipe, the next water-storing device is equipped with minimum operation water level, water inlet
Pipe is filled the water into upper water-storing device, and water is flowed in the next water-storing device by water-supply-pipe, makes the water level in the next water-storing device
It is maintained at minimum operation water level or more, the lower nozzle of water-supply-pipe is connected to the next water-storing device, and the position of lower nozzle is located at minimum
Below operating water level.
As an improvement, being equipped at least two overflow weirs in upper water-storing device, upper water-storing device is separated by overflow weir
Intake pool and discharge bay, water inlet pipe are connected to intake pool, and water-supply-pipe is connected to discharge bay, and overflow weir is not higher than the top of interior well.
As an improvement, overflow weir includes the first overflow weir in upper water-storing device successively circumferentially, the second overflow
Weir, third overflow weir and the 4th overflow weir, the first overflow weir and the second overflow weir surround the first discharge bay, the second overflow weir and
Three overflow weirs surround the second discharge bay, and third overflow weir and the 4th overflow weir surround third discharge bay, and the first discharge bay, second go out
Several water-supply-pipes are respectively equipped in pond and third discharge bay.
As an improvement, the first overflow weir is equal with the 4th height of weir plate, water can pass through the first overflow weir and the 4th overflow
Weir flows into the first discharge bay and third discharge bay simultaneously.
As an improvement, the height of the second overflow weir and third overflow weir is equal with the first overflow weir, water can overflow by second
It flows weir and third overflow weir flows into the second discharge bay simultaneously.
As an improvement, the height of the second overflow weir and third overflow weir is equal, the second overflow weir and third overflow weir are higher than
First overflow weir.
As an improvement, the first overflow weir, the second overflow weir, third overflow weir and the 4th overflow weir height increase step by step.
As an improvement, the top side of interior well is higher than the other side and forms the 5th overflow weir and the 6th overflow weir, the 6th overflows
It flows weir and is higher than the 5th overflow weir, the 5th overflow weir is higher than the first overflow weir, the second overflow weir, third overflow weir and the 4th overflow
Weir.
The utility model has the advantages that being directly injected into the next storage by lower nozzle when water flows into the next water-storing device from upper water-storing device
The waters surface of water installations hereinafter, formed it is stable flood water flow, can inhibit water flow aeration, can also reduce the fluctuation of water supply line hydraulic pressure
Amplitude is conducive to the failure risk for reducing water supply line, and the reliability that water system supplies water over long distances can be improved.
Detailed description of the invention
Following further describes the present invention with reference to the drawings:
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the expanded schematic diagram of the upper water-storing device of the embodiment of the present invention 1；
Fig. 4 is the expanded schematic diagram under the larger flow state of the upper water-storing device of the embodiment of the present invention 1；
Fig. 5 is a kind of structural schematic diagram of head-tank of the prior art；
Fig. 6 is the top view of Fig. 5；
Fig. 7 is the expanded schematic diagram of the upper water-storing device of the embodiment of the present invention 2；
Fig. 8 is the expanded schematic diagram of the upper water-storing device of the embodiment of the present invention 3；
The noun and label that embodiment and Figure of description are related to include: interior well 1, outer well 2, bottom plate 3, water inlet pipe 4, water outlet
Pipe 5, water-supply-pipe 6, minimum operation water level 7, lower nozzle 8, intake pool 9, the first overflow weir 10, the second overflow weir 11, third overflow
Weir 12, the 4th overflow weir 13, the first discharge bay 14, the second discharge bay 15, third discharge bay 16, the 5th overflow weir the 17, the 6th overflow
Flow weir 18.
Specific embodiment
Referring to figs. 1 to 4, the next water-storing device is arranged in a kind of anti-aeration method, and storing in the next water-storing device has water, is arranged
Higher than the upper water-storing device of the next water-storing device, setting is connected to the water-supply-pipe 6 of upper water-storing device and the next water-storing device, defeated
The lower nozzle 8 of water pipe 6 is connected to the next water-storing device, and the position of lower nozzle 8 is located at the water surface in the next water-storing device or less.Water
When flowing into the next water-storing device from upper water-storing device, the water surface of the next water-storing device is directly injected into hereinafter, shape by lower nozzle 8
Water flow is flooded at stable, can inhibit water flow aeration.
In order to further suppress water flow aeration, several reservoirs that setting height reduces step by step in upper water-storing device,
Several water-supply-pipes 6 are set in each reservoir, are filled the water into reservoir, water is made to flow into each reservoir step by step from high to low,
The water drop between reservoirs at different levels can be reduced, be conducive to inhibit water flow aeration.
Referring to figs. 1 to 4, a kind of head-tank equipped with anti-aeration structure, interior well 1 including tubular is set in outside interior well 1
Tubular outer well 2 and the bottom plate 3 that is located between the outer wall of interior well 1 and the inner wall of outer well 2, the top of outer well 2 be higher than interior well 1,
The top of interior well 1 is higher than bottom plate 3, and interior well 1, bottom plate 3 and outer well 2 surround upper water-storing device, and the inner wall of interior well 1 surrounds the next storage
Water installations, head-tank further include four water inlet pipes 4 being connected to upper water-storing device and be connected to the next water-storing device two
Root outlet pipe 5 is equipped with several water-supply-pipes 6 and is connected to by water-supply-pipe 6 between upper water-storing device and the next water-storing device, the next
Water-storing device is equipped with minimum operation water level 7, and water inlet pipe 4 is filled the water into upper water-storing device, and water flows to the next storage by water-supply-pipe 6
In water installations, the water level in the next water-storing device is made to be maintained at 7 or more minimum operation water level, the lower nozzle 8 of water-supply-pipe 6 and bottom
Water-storing device connection, the position of lower nozzle 8 is located at 7 or less minimum operation water level.Water flows into the next water storage from upper water-storing device
When device, the water surface of the next water-storing device is directly injected by lower nozzle 8 hereinafter, formed it is stable flood water flow, can inhibit water
Aeration is flowed, the fluctuating range of water supply line hydraulic pressure can be also reduced, is conducive to the failure risk for reducing water supply line, water supply can be improved
The reliability that system supplies water over long distances.
In order to reduce the water drop in upper water-storing device, at least two overflow weirs are equipped in upper water-storing device, are overflow
Upper water-storing device is separated into intake pool 9 and discharge bay by stream weir, and water inlet pipe 4 penetrates through bottom plate 3 and connects with the bottom of pond of intake pool 9
Logical, water-supply-pipe 6 penetrates through bottom plate 3 and is connected to the bottom of pond of discharge bay, and overflow weir is not higher than the top of interior well 1.When operation water flow just
Chang Shi, water flow through the top of overflow weir and are flowed into the next water-storing device by water-supply-pipe 6.When operation water flow is more than water-supply-pipe 6
Conveyance capacity when, the water level in interior well 1 is in higher state, and the water-head between discharge bay and the water surface of interior well 1 is smaller,
It will lead to the conveyance capacity decline of water-supply-pipe 6, water can be overflowed to directly in interior well 1 from the top of interior well 1 at this time.Under this state
Water-head between discharge bay and the water surface of interior well 1 is smaller, is conducive to aeration caused by reducing water flow dropping shock, it is ensured that interior
Water in well 1 is under high-end trim still with the stronger ability for inhibiting aeration.
In order to further decrease the water drop in upper water-storing device, overflow weir include in upper water-storing device successively
The first overflow weir 10, the second overflow weir 11, third overflow weir 12 and the 4th overflow weir 13 circumferentially, 10 He of the first overflow weir
Second overflow weir 11 surrounds the first discharge bay 14, and the second overflow weir 11 and third overflow weir 12 surround the second discharge bay 15, third
Overflow weir 12 and the 4th overflow weir 13 surround third discharge bay 16, the first discharge bay 14, the second discharge bay 15 and third discharge bay
Two water-supply-pipes 6 are respectively equipped in 16.Intake pool 9, the first discharge bay 14, the second discharge bay 15 and third discharge bay 16 are equivalent to
Reservoir in above-mentioned anti-aeration method.When water-supply-pipe 6 is filled the water into intake pool 9, water can the overflow step by step on overflow weir, can be according to
It is secondary to fill each discharge bay, make to form stable water flow in the water-supply-pipe 6 in discharge bay, is conducive to inhibit water flow aeration.
13 height of first overflow weir 10 of the present embodiment and the 4th overflow weir is equal, and water can pass through the first overflow weir 10 and the
Four overflow weirs 13 flow into the first discharge bay 14 and third discharge bay 16 simultaneously, can make in the first discharge bay 14 and third discharge bay 16
Water-supply-pipe 6 work at the same time, be conducive to increase conveyance capacity.
Second overflow weir 11 of the present embodiment and the height of third overflow weir 12 are equal with the first overflow weir 10, and water can pass through
Second overflow weir 11 and third overflow weir 12 flow into the second discharge bay 15 simultaneously.When operation water flow is more than the first discharge bay 14 and the
When the conveyance capacity of the water-supply-pipe 6 of three discharge bays 16, water flow flows into second from the second overflow weir 11 and third overflow weir 12 simultaneously
Discharge bay 15 can keep waterflow stabilization and increase conveyance capacity when needed.
The top side of the interior well 1 of the present embodiment is higher than the other side and forms the 5th overflow weir 17 and the 6th overflow weir 18,
6th overflow weir 18 is higher than the 5th overflow weir 17, and the 5th overflow weir 17 is higher than the first overflow weir 10, the second overflow weir 11, third and overflows
Flow weir 12 and the 4th overflow weir 13.When running conveyance capacity of the water flow more than each water-supply-pipe 6, water can be from the 5th overflow weir 17
In flowing into well 1, water flow can be made to flow into according to preset direction, be conducive to the stability for reinforcing water flow.
Fig. 3 shows water from intake pool 9 while flowing through the first overflow weir 10 and the 4th overflow weir 13 and respectively enteing first
The state of discharge bay 14 and third discharge bay 16.
Fig. 4 shows water from the first discharge bay 14 and third discharge bay 16 while respectively while flowing through 11 He of the second overflow weir
Third overflow weir 12 and the state for importing the second discharge bay 15.
Referring to Fig. 5 to 6, a kind of head-tank in the prior art, interior well 1 including tubular, the cylinder being set in outside interior well 1
The top of the outer well 2 of shape and the bottom plate 3 being located between the outer wall of interior well 1 and the inner wall of outer well 2, outer well 2 is higher than interior well 1, interior well 1
Top be higher than bottom plate 3, interior well 1, bottom plate 3 and outer well 2 surround upper water-storing device, and the inner wall of interior well 1 surrounds the next water storage dress
It sets.Head-tank further includes that four water inlet pipes 4 being connected to upper water-storing device and two be connected to the next water-storing device go out
Water pipe 5.
The direction of motion of arrow direction instruction water flow in Fig. 1 to 6.
Embodiment 2:
Referring to Fig.1,2 and 7, the present embodiment the difference from embodiment 1 is that: the second overflow weir 11 and third overflow weir 12
Highly equal, the second overflow weir 11 and third overflow weir 12 are higher than the first overflow weir 10.The conveyance capacity of the present embodiment changed
Journey is same as Example 1.By changing the height setting of the second overflow weir 11 and third overflow weir 12, upper water storage dress can adjust
The conveyance capacity variation characteristic set.
Embodiment 3:
Referring to Fig.1,2 and 8, the present embodiment the difference from embodiment 1 is that: the first overflow weir 10, the second overflow weir 11,
The height of three overflow weirs 12 and the 4th overflow weir 13 increases step by step.The conveyance capacity change procedure of the present embodiment is to increase step by step
's.By changing the height setting of each overflow weir, the conveyance capacity variation characteristic of upper water-storing device can adjust.
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned embodiment party
Formula, technical field those of ordinary skill within the scope of knowledge, can also be before not departing from present inventive concept
Put that various changes can be made.
Claims (10)
1. a kind of anti-aeration method, it is characterised in that: the next water-storing device is arranged, storing in the next water-storing device has water, and setting is high
In the upper water-storing device of the next water-storing device, setting is connected to the water-supply-pipe of upper water-storing device and the next water-storing device, water delivery
The lower nozzle of pipe is connected to the next water-storing device, and the position of lower nozzle is located at the water surface in the next water-storing device or less.
2. anti-aeration method according to claim 1, it is characterised in that: in the upper water-storing device setting height by
Grade reduce several reservoirs, several water-supply-pipes are set in each reservoir, are filled the water into reservoir, make water from height to
It is low to flow into each reservoir step by step.
3. a kind of head-tank equipped with anti-aeration structure, the outer well of interior well, the tubular being set in outside interior well including tubular and
The bottom plate being located between the outer wall of interior well and the inner wall of outer well, the top of outer well are higher than interior well, and the top of interior well is higher than bottom plate, interior
Well, bottom plate and outer well surround upper water-storing device, and the inner wall of interior well surrounds the next water-storing device, head-tank further include with it is upper
Several water inlet pipes of water-storing device connection and several outlet pipes being connected to the next water-storing device, it is characterised in that: upper water storage
It is equipped with several water-supply-pipes between device and the next water-storing device and is connected to by water-supply-pipe, the next water-storing device is equipped with minimum operation
Water level, water inlet pipe are filled the water into upper water-storing device, and water is flowed in the next water-storing device by water-supply-pipe, make the next water-storing device
Interior water level is maintained at minimum operation water level or more, and the lower nozzle of water-supply-pipe is connected to the next water-storing device, the position of lower nozzle
It is located at minimum operation water level or less.
4. the head-tank according to claim 3 equipped with anti-aeration structure, it is characterised in that: the upper water-storing device
Inside be equipped at least two overflow weirs, upper water-storing device is separated into intake pool and discharge bay by overflow weir, the water inlet pipe with into
Pond connection, the water-supply-pipe are connected to discharge bay, and overflow weir is not higher than the top of interior well.
5. the head-tank according to claim 4 equipped with anti-aeration structure, it is characterised in that: the overflow weir is included in
The first overflow weir, the second overflow weir, third overflow weir and the 4th overflow weir in upper water-storing device successively circumferentially, first
Overflow weir and the second overflow weir surround the first discharge bay, and the second overflow weir and third overflow weir surround the second discharge bay, and third is overflow
Stream weir and the 4th overflow weir surround third discharge bay, if being respectively equipped in the first discharge bay, the second discharge bay and third discharge bay
Do the water-supply-pipe.
6. the head-tank according to claim 5 equipped with anti-aeration structure, it is characterised in that: first overflow weir with
4th height of weir plate is equal, and water can flow into simultaneously the first discharge bay by the first overflow weir and the 4th overflow weir and third is discharged
Pond.
7. the head-tank according to claim 6 equipped with anti-aeration structure, it is characterised in that: second overflow weir and
The height of third overflow weir is equal with the first overflow weir, and water can flow into simultaneously second by the second overflow weir and third overflow weir and go out
Pond.
8. the head-tank according to claim 6 equipped with anti-aeration structure, it is characterised in that: second overflow weir and
The height of third overflow weir is equal, and the second overflow weir and third overflow weir are higher than the first overflow weir.
9. the head-tank according to claim 5 equipped with anti-aeration structure, it is characterised in that: first overflow weir,
The height of second overflow weir, third overflow weir and the 4th overflow weir increases step by step.
10. being equipped with the head-tank of anti-aeration structure according to claim 5 to 9 any one, it is characterised in that: described
The top side of interior well is higher than the other side and forms the 5th overflow weir and the 6th overflow weir, and the 6th overflow weir is higher than the 5th overflow
Weir, the 5th overflow weir are higher than first overflow weir, the second overflow weir, third overflow weir and the 4th overflow weir.
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| CN201811103778.XA CN109138064B (en) | 2018-09-20 | 2018-09-20 | Anti-aeration method and high-level water tank with anti-aeration structure |
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| CN110067236A (en) * | 2019-04-17 | 2019-07-30 | 广东省水利水电科学研究院 | A kind of band collection water tray and diversion pipe subtract bulb apparatus |
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| CN110029703B (en) * | 2019-04-17 | 2024-05-07 | 广东省水利水电科学研究院 | Shunt tube inlet device for high-level water tank |
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| CN109138064B (en) | 2020-09-01 |
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