CN102787589A - Energy dissipater in wading engineering - Google Patents
Energy dissipater in wading engineering Download PDFInfo
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- CN102787589A CN102787589A CN2012103067042A CN201210306704A CN102787589A CN 102787589 A CN102787589 A CN 102787589A CN 2012103067042 A CN2012103067042 A CN 2012103067042A CN 201210306704 A CN201210306704 A CN 201210306704A CN 102787589 A CN102787589 A CN 102787589A
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- water delivery
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- waterwall
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Abstract
The invention discloses an energy dissipater in wading engineering, comprising an upstream water delivery structure, a hydraulic drop structure, a flow control structure and a downstream water delivery structure. The upstream water delivery structure is connected with the downstream water delivery structure through the hydraulic drop structure; the protruding flow control structure is arranged at a downstream end of a connection section of the hydraulic drop structure and the downstream water delivery structure, and a number of limber holes are arranged on the flow control structure. The energy dissipater in the wading engineering provided by the invention is the energy dissipater which can realize a good energy dissipating effect and can avoid sediments silting up in a working section and enable gas mixed in water to smoothly overflow.
Description
Technical field
The present invention relates to paddle energy-dissipating installation technical field in the engineering relates in particular to a kind of engineering energy dissipater that paddles.
Background technology
In urban sewerage and drainage prevention waterlogging, hydraulic engineering and correlation engineering field; Often need grow the big drop water delivery of distance; Under the bigger situation of water delivery drop, produce a large amount of potential energy and kinetic energy conversion because current fall, the current with big kinetic energy produce stronger percussion to the downstream structure, therefore; In correlation engineering, all adopt multi-form energy dissipater that upland water is carried out energy dissipating, to reduce the impact failure of water impact to the downstream structure.
Existing energy dissipater's type has: disspation through hydraudic jimp worker, trajectory bucket type energy, submerged bucket dissipator worker, bucket energy dissipation worker, along the journey energy dissipater, free jump in formula energy dissipater, flaring pier energy dissipation worker and hole energy dissipater and mix pattern energy dissipater etc.It is different that different energy dissipaters is suitable for hydraulics, is non-open channel section and the bigger water-carriage system of drop for downstream, and disappear power well or the multi-form power that the disappears banks of adopting carry out the water delivery energy dissipating more.For the current that contain silt, silt suspension entrained in the water is in the water delivery structure transmission course through big drop, and current fall a large amount of kinetic energy of generation the downstream structure are produced greater impact.Existing energy dissipater often only considers the energy dissipating of current; And ignored the deposition of suspension in energy dissipating workshop section; The power that disappears well formula energy dissipater often needs high-frequency manual work or mechanical desilting in the higher transport system of sediment charge, otherwise then can lose the energy dissipating effect because of the deposition of suspension; Though and the Li Kanshi energy dissipater that disappears can play the energy dissipating effect; But the gas that is blended into current can not overflow in energy dissipating workshop section; But just discharge gradually when getting into the downstream structure; Gas forms a large amount of air mass after overflowing water body in follow-up facility, be prone to form unfavorable hydraulic phenomenon such as water attack, influences the safe operation of structure.
Because it is application in engineering of non-channel flow in downstream that the existence of traditional energy dissipater's each side defective has limited it.Therefore, develop a kind of good energy dissipating effect that both can realize, avoid silt to make the energy dissipater that the gas of blending in the current overflows at this section smoothly become such engineering field problem demanding prompt solution again simultaneously in a large amount of alluvials of this workshop section.
Therefore, those skilled in the art is devoted to develop a kind of engineering energy dissipater that paddles to address the above problem.
Summary of the invention
Because the above-mentioned defective of prior art; Technical problem to be solved by this invention provides a kind of good energy dissipating effect that both can realize; Avoid silt to deposit in a large number, the engineering energy dissipater that paddles that the gas of blending in the current is overflowed at this section smoothly in this workshop section.
For realizing above-mentioned purpose, the invention provides a kind of engineering energy dissipater that paddles, comprise upper reaches water delivery structure, drop structure, flow-control structure and downstream water delivery structure; Said upper reaches water delivery structure are connected with the conducting of said downstream water delivery structure through said drop structure; The downstream of the linkage section of said drop structure and said downstream water delivery structure is provided with protruding flow-control structure, and said flow-control structure are provided with some limberss.
Preferable, the conducting of said drop structure is connected in a termination of said downstream water delivery structure; Said flow-control structure are one towards said termination, are arranged on the waterwall on the said downstream water delivery structure downstream, and the locus that forms between said waterwall and the said termination is corresponding to the below, connector position of said drop structure and said downstream water delivery structure.
Preferable; The conducting of said drop structure is connected in the interlude of said downstream water delivery structure; Said flow-control structure are that two mutual opposition are arranged on the waterwall on the said downstream water delivery structure bottom, and the locus that forms between said waterwall and the said downstream water delivery structure is corresponding to the below, connector position of said drop structure and said downstream water delivery structure.
Preferable, said waterwall comprises the polylith lath at grade that is arranged in parallel, and is provided with the limbers between the adjacent said lath.
Preferable, said lath is for being horizontally disposed with.
Preferable, said lath is vertical the setting.
Preferable, said lath quantity is confirmed by needed energy dissipating free water elevation and system's inbound traffics.
Beneficial effect of the present invention is following:
1, the present invention has good energy dissipating effect.Current are fallen in the process of downstream water delivery structure by upper reaches water delivery structure, produce a large amount of potential energy and kinetic energy conversion because current fall, and the current with big kinetic energy will produce stronger percussion to the downstream structure.The present invention is through being provided with the protruding flow-control structure that have the limbers; Reach the effect that reduces downstream water delivery structure effective cross sectional area, because the upland water flow is bigger, the discharge area, downstream reduces simultaneously; Can form a certain amount of ponding this moment in the zone that the flow-control structure enclose; Along with the rising of ponding table has formed the power that the disappears well of a convexity gradually, reach effect to the upland water energy dissipating, reduce the impact failure of water impact to the downstream structure.
2, avoid silt the gas of blending in the current to be overflowed smoothly in this section in a large amount of alluvials of linkage section.Because there is certain cross-section of river in the flow-control structure; The table that before these structure, forms has certain head, impel through the flow rate of water flow of flow-control structure bigger, simultaneously since upland water to the percussion of bottom; The suspensions such as silt that are prone to deposition are suspended again; And downstream dirty in the induced effect of high-velocity flow, thus the deposition of suspension avoided at this section, guaranteed that the effect of energy dissipation of energy dissipation component is unaffected.The violent blending that the power that the disappears well section that forms through the flow-control structure can realize aqueous vapor is to reach effect of energy dissipation; Impel under the compression cross-section of river effect that blocks water of flow-control structure simultaneously that gas overflows in this section in a large number in the water; Reduce the air entrainment that gets into the downstream installation current, can avoid the generation probability of unfavorable hydraulic phenomenon such as water hammer.
3, the flow-control structure adopt porous (or the many slits) waterwall that reduces cross-section of river effective area, and simple in structure, it is convenient to construct, and result of use is good.
Below will combine accompanying drawing that the technique effect of design of the present invention, concrete structure and generation is described further, to understand the object of the invention, characteristic and effect fully.
Description of drawings
Fig. 1 is the structural representation of embodiment 1.
Fig. 2 is an A-A cross section structure sketch map among Fig. 1.
Fig. 3 is the structural representation of embodiment 2.
Fig. 4 is a B-B cross section structure sketch map among Fig. 3.
The specific embodiment
Embodiment 1:
As shown in Figure 1; A kind of engineering energy dissipater that paddles of a specific embodiment of the present invention comprises as the aqueduct 1 of upper reaches water delivery structure, as the vertical shaft 2 of drop structure, as the waterwall 3 of flow-control structure with as the drainage pipe 4 of downstream water delivery structure; Aqueduct 1 is connected with drainage pipe 4 through vertical shaft 2; Vertical shaft 2 conductings are connected in a termination of drainage pipe 4, towards said termination, be provided with waterwall 3 in the downstream of drainage pipe 4.
As shown in Figure 2; Waterwall 3 is made up of the lath that polylith is arranged in parallel at grade; Being erected in the drainage pipe 4 of lath 5 levels; Be provided with limbers 6 between the adjacent slat 5, the locus that forms between waterwall 3 and the said termination (the power well is equivalent to disappear) is corresponding to vertical shaft 2 and below, drainage pipe 4 connector positions.
Exemplary, present embodiment is to use like this:
As shown in Figure 1; Current are by in the process that falls to as the aqueduct 1 of upper reaches water delivery structure as the drainage pipe 4 of downstream water delivery structure; Produce a large amount of potential energy and kinetic energy conversion because current fall, the current with big kinetic energy will produce stronger percussion to drainage pipe 4.Present embodiment is through being provided with the protruding waterwall that has the limbers at the water impact place; Make the effective cross sectional area of drainage pipe reduce, because the upland water flow is bigger, the discharge area, downstream reduces simultaneously; Can form a certain amount of ponding this moment in the zone that waterwall encloses; Along with the rising of ponding table has formed the power that the disappears well of a convexity gradually, reach effect to the upland water energy dissipating, reduce the impact failure of water impact to drainage pipe.
On the other hand, have certain cross-section of river owing to have the waterwall of limbers, the table that before waterwall, forms has certain head; Impel through the flow rate of water flow of waterwall bigger; Owing to the percussion of upland water, the suspensions such as silt that are prone to deposition are suspended again simultaneously to the bottom, and downstream dirty in the induced effect of high-velocity flow; Thereby avoided the deposition of suspension, guaranteed that the effect of energy dissipation of energy dissipation component is unaffected at this section.The violent blending that the power that the disappears well section that forms through waterwall can realize aqueous vapor is to reach effect of energy dissipation; Impel under the compression cross-section of river effect that blocks water of waterwall simultaneously that gas overflows in this section in a large number in the water; Reduced the air entrainment that gets into the downstream installation current; Can avoid the generation probability of unfavorable hydraulic phenomenon such as water hammer, realize the technique effect of avoiding silt the gas of blending in the current to be overflowed smoothly at this section in a large amount of alluvials of linkage section.
In addition, the waterwall that flow-control structure application level lath is formed, simple in structure, it is convenient to construct, and result of use is good.
Embodiment 2:
As shown in Figure 3; A kind of another specific embodiment of engineering energy dissipater of paddling of the present invention, basic identical with enforcement 1, institute's difference is; Vertical shaft 2 conductings are connected in the interlude of drainage pipe 4; Waterwall is the two sides, and opposition is arranged on the drainage pipe bottom each other, and the locus (the power well is equivalent to disappear) that forms between waterwall 3 and the drainage pipe 4 is corresponding to vertical shaft 2 and below, drainage pipe 4 connector positions.
As shown in Figure 4, the lath of waterwall 3 is vertical the setting.
As other specific embodiments of the present invention; Said upper reaches water delivery structure, drop structure, flow-control structure and downstream water delivery structure all can be according to adaptive other structure of construction needs; As can be the structure structure that directly falls into vertical shaft through the sewer import, also can be discharge structures such as flood discharging tunnel; The lath of waterwall 3 and the quantity of limbers and laying mode also can be confirmed according to needed energy dissipating free water elevation and system's inbound traffics, otherwise be provided with.Simultaneously, so long as the structure facility of the energy dissipating that the drop of design fluid or other forms need, defence, exhaust all can be laid energy dissipater of the present invention at corresponding rational position, reach desirable effect.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art need not creative work and just can design according to the present invention make many modifications and variation.Therefore, all technician in the art all should be in the determined protection domain by claims under this invention's idea on the basis of existing technology through the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (6)
1. the engineering energy dissipater that paddles comprises upper reaches water delivery structure, drop structure, flow-control structure and downstream water delivery structure; It is characterized in that: said upper reaches water delivery structure are connected with the conducting of said downstream water delivery structure through said drop structure; The downstream of the linkage section of said drop structure and said downstream water delivery structure is provided with protruding flow-control structure, and said flow-control structure are provided with some limberss.
2. the engineering energy dissipater that paddles as claimed in claim 1 is characterized in that: the conducting of said drop structure is connected in a termination of said downstream water delivery structure; Said flow-control structure are one towards said termination, are arranged on the waterwall on the said downstream water delivery structure downstream, and the locus that forms between said waterwall and the said termination is corresponding to the below, connector position of said drop structure and said downstream water delivery structure.
3. the engineering energy dissipater that paddles as claimed in claim 1; It is characterized in that: the conducting of said drop structure is connected in the interlude of said downstream water delivery structure; Said flow-control structure are that two mutual opposition are arranged on the waterwall on the said downstream water delivery structure bottom, and the locus that forms between said waterwall and the said downstream water delivery structure is corresponding to the below, connector position of said drop structure and said downstream water delivery structure.
4. like claim 2 or the 3 described engineering energy dissipaters that paddle, it is characterized in that: said waterwall comprises the polylith lath at grade that is arranged in parallel, and is provided with the limbers between the adjacent said lath.
5. the engineering energy dissipater that paddles as claimed in claim 4, it is characterized in that: said lath is for being horizontally disposed with.
6. the engineering energy dissipater that paddles as claimed in claim 4 is characterized in that: said lath is provided with for vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103067042A CN102787589A (en) | 2012-08-24 | 2012-08-24 | Energy dissipater in wading engineering |
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| CN2012103067042A CN102787589A (en) | 2012-08-24 | 2012-08-24 | Energy dissipater in wading engineering |
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| CN102787589A true CN102787589A (en) | 2012-11-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104204358A (en) * | 2012-03-14 | 2014-12-10 | 约尼·约凯拉 | Hydraulic structure for water flow control |
| CN112049086A (en) * | 2020-09-21 | 2020-12-08 | 四川大学 | Hole plug flood discharging hole connected by open channel |
Citations (6)
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| SU1257133A1 (en) * | 1984-04-16 | 1986-09-15 | Азербайджанский Научно-Исследовательский Институт Гидротехники И Мелиорации | Water flow energy dispersion system |
| CN101148867A (en) * | 2007-10-19 | 2008-03-26 | 中国水利水电科学研究院 | Flood discharging method and flood discharging tunnel employing rotational flow and strong moisture mixing energy dissipation |
| CN101831892A (en) * | 2010-04-08 | 2010-09-15 | 重庆交通大学 | Hydropower station bank slope energy dissipation structure |
| CN101886377A (en) * | 2010-07-19 | 2010-11-17 | 四川大学 | Step swirling flow vertical shaft |
| CN202298574U (en) * | 2008-10-26 | 2012-07-04 | 陈发明 | Spillover dam with water barrier |
| CN202688967U (en) * | 2012-08-24 | 2013-01-23 | 上海市城市建设设计研究总院 | Water-related project energy dissipater |
-
2012
- 2012-08-24 CN CN2012103067042A patent/CN102787589A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1257133A1 (en) * | 1984-04-16 | 1986-09-15 | Азербайджанский Научно-Исследовательский Институт Гидротехники И Мелиорации | Water flow energy dispersion system |
| CN101148867A (en) * | 2007-10-19 | 2008-03-26 | 中国水利水电科学研究院 | Flood discharging method and flood discharging tunnel employing rotational flow and strong moisture mixing energy dissipation |
| CN202298574U (en) * | 2008-10-26 | 2012-07-04 | 陈发明 | Spillover dam with water barrier |
| CN101831892A (en) * | 2010-04-08 | 2010-09-15 | 重庆交通大学 | Hydropower station bank slope energy dissipation structure |
| CN101886377A (en) * | 2010-07-19 | 2010-11-17 | 四川大学 | Step swirling flow vertical shaft |
| CN202688967U (en) * | 2012-08-24 | 2013-01-23 | 上海市城市建设设计研究总院 | Water-related project energy dissipater |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104204358A (en) * | 2012-03-14 | 2014-12-10 | 约尼·约凯拉 | Hydraulic structure for water flow control |
| CN112049086A (en) * | 2020-09-21 | 2020-12-08 | 四川大学 | Hole plug flood discharging hole connected by open channel |
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Application publication date: 20121121 |