CN202688967U - Water-related project energy dissipater - Google Patents
Water-related project energy dissipater Download PDFInfo
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- CN202688967U CN202688967U CN 201220426337 CN201220426337U CN202688967U CN 202688967 U CN202688967 U CN 202688967U CN 201220426337 CN201220426337 CN 201220426337 CN 201220426337 U CN201220426337 U CN 201220426337U CN 202688967 U CN202688967 U CN 202688967U
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Abstract
The utility model discloses a water-related project energy dissipater which comprises upstream water delivery structures, water fall structures, water flow control structures and downstream water delivery structures. The upstream water delivery structures are connected with the downstream water delivery structures through the water fall structures in a communicated mode. The protruding water flow control structures are arranged at a downstream end of a connecting portion of the water fall structures and the downstream water delivery structures, and a plurality of through holes are arranged on the water flow control structures. The water-related project energy dissipater can not only achieve the good energy dissipation function but also avoid sediment deposition in a large quantity at the energy dissipater, and at the same time enables gases mixed inside water flow to overflow smoothly at the energy dissipater.
Description
Technical field
The utility model relates to the energy-dissipating installation technical field in the engineering of paddling, and 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 to grow the large drop water delivery of distance, current fall generation a large amount of potential energy and kinetic transformation in the situation that the water delivery drop is larger, current with larger 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 water impact to the impact failure of 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, freely jump formula energy dissipater, flaring pier energy dissipation worker and cavern energy dissipator and mixing pattern energy dissipater etc.The applicable hydraulics of different energy dissipaters is different, is non-open channel section and the larger water-carriage system of drop for the 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 passing through the water delivery structure transmission course of larger 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 artificial or mechanical desilting in the higher transport system of sediment charge, otherwise then can lose because of the deposition of suspension the energy dissipating effect; 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 entering the downstream structure, in follow-up facility, form a large amount of air mass behind the gas overflowing water body, easily form the unfavorable hydraulic phenomenon such as water attack, affect the safe operation of structure.
Because it is application in the engineering of non-channel flow in the 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 simultaneously again the energy dissipater that the gas of blending in the current overflows smoothly at this section become such engineering field problem demanding prompt solution 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.
The utility model content
Because the defects of prior art, technical problem to be solved in the utility model provides a kind of good energy dissipating effect that both can realize, avoid silt to deposit in a large number in this workshop section, the engineering energy dissipater that paddles that the gas of blending in the current is overflowed smoothly at this section.
For achieving the above object, the utility model provides a kind of engineering energy dissipater that paddles, and comprises upstream water delivery structure, drop structure, flow-control structure and downstream water delivery structure; Described upstream water delivery structure are connected with the conducting of described downstream water delivery structure by described drop structure; The downstream of the linkage section of described drop structure and described downstream water delivery structure is provided with the flow-control structure of projection, is provided with some limberss on the described flow-control structure.
Better, the conducting of described drop structure is connected in a termination of described downstream water delivery structure; Described flow-control structure are one towards described termination, are arranged on the waterwall on the described downstream water delivery structure downstream, and the locus that forms between described waterwall and the described termination is corresponding to the below, connector position of described drop structure and described downstream water delivery structure.
Better, the conducting of described drop structure is connected in the interlude of described downstream water delivery structure, described flow-control structure are that two mutual opposition are arranged on the waterwall on the described downstream water delivery structure bottom, and the locus that forms between described waterwall and the described downstream water delivery structure is corresponding to the below, connector position of described drop structure and described downstream water delivery structure.
Better, described waterwall comprises be arranged in parallel at grade lath of polylith, is provided with the limbers between the adjacent described lath.
Better, described lath is for being horizontally disposed with.
Better, described lath is vertical the setting.
Better, described lath quantity is determined by needed energy dissipating free water elevation and System Inflow amount.
The beneficial effects of the utility model are as follows:
1, the utlity model has good energy dissipating effect.Current are fallen in the process of downstream water delivery structure by upstream water delivery structure, produce a large amount of potential energy and kinetic transformation because current fall, and the current with larger kinetic energy will produce stronger percussion to the downstream structure.The utility model is by arranging the flow-control structure with the limbers of projection, reach the effect that reduces downstream water delivery structure effective cross sectional area, because the upland water flow is larger, the discharge area, downstream reduces simultaneously, can form a certain amount of ponding this moment in the zone that the flow-control structure enclose, form gradually the power that the disappears well of a projection along with the rising of ponding table, reached the effect to the upland water energy dissipating, reduced water impact to the impact failure of downstream structure.
2, avoid silt in a large amount of alluvials of linkage section the gas of blending in the current to be overflowed smoothly in this section.Because there is certain cross-section of river in the flow-control structure, the table that forms before these structure has certain head, impel by the flow rate of water flow of flow-control structure larger, simultaneously owing to the percussion of upland water to the bottom, make the suspension Eddy diffusions such as silt of easy deposition, and downstream dirty in the induced effect of high-velocity flow, thus the deposition of suspension at this section avoided, guaranteed that the effect of energy dissipation of energy dissipation component is unaffected.The power that the disappears well section that forms by the flow-control structure can realize that the violent blending of 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 a large number in this section in the water, reduce the air entrainment that enters the downstream installation current, can avoid the generation probability of the 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 are simple in structure, construct convenient, and result of use are good.
Be described further below with reference to the technique effect of accompanying drawing to design of the present utility model, concrete structure and generation, to understand fully the purpose of this utility model, feature and effect.
Description of drawings
Fig. 1 is the structural representation of embodiment 1.
Fig. 2 is A-A cross section structure schematic diagram among Fig. 1.
Fig. 3 is the structural representation of embodiment 2.
Fig. 4 is B-B cross section structure schematic diagram 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 utility model comprises as the aqueduct 1 of upstream 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 by vertical shaft 2; Vertical shaft 2 conductings are connected in a termination of drainage pipe 4, towards described termination, be provided with waterwall 3 in the downstream of drainage pipe 4.
As shown in Figure 2, waterwall 3 is comprised 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 described termination (the power well is equivalent to disappear) is corresponding to vertical shaft 2 and below, drainage pipe 4 connector positions.
Exemplary, the 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 upstream water delivery structure as the drainage pipe 4 of downstream water delivery structure, produce a large amount of potential energy and kinetic transformation because current fall, the current with larger kinetic energy will produce stronger percussion to drainage pipe 4.The present embodiment is by arranging the waterwall with the limbers of projection at the water impact place, so that the effective cross sectional area of drainage pipe reduces, because the upland water flow is larger, the discharge area, downstream reduces simultaneously, can form a certain amount of ponding this moment in the zone that waterwall encloses, form gradually the power that the disappears well of a projection along with the rising of ponding table, reached the effect to the upland water energy dissipating, reduced water impact to the impact failure of drainage pipe.
On the other hand, because there is certain cross-section of river in the waterwall with the limbers, the table that forms before waterwall has certain head, impel by the flow rate of water flow of waterwall larger, owing to the percussion of upland water to the bottom, make the suspension Eddy diffusions such as silt of easy deposition simultaneously, and downstream dirty in the induced effect of high-velocity flow, thereby avoided the deposition of suspension at this section, guaranteed that the effect of energy dissipation of energy dissipation component is unaffected.The power that the disappears well section that forms by waterwall can realize that the violent blending of 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 a large number in this section in the water, reduced the air entrainment that enters the downstream installation current, can avoid the generation probability of the unfavorable hydraulic phenomenon such as water hammer, realize the technique effect of avoiding silt in a large amount of alluvials of linkage section the gas of blending in the current to be overflowed smoothly at this section.
In addition, the waterwall that flow-control structure application level lath forms, simple in structure, construct convenient, 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 utility model, 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 mutually, 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 utility model, described upstream 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 being the structure structure that directly falls into vertical shaft by the sewer import, also can be the discharge structures such as flood discharging tunnel; The lath of waterwall 3 and the quantity of limbers and laying mode also can be determined according to needed energy dissipating free water elevation and System Inflow amount, otherwise arrange.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 described in the utility model at corresponding rational position, reach desirable effect.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art need not creative work and just can make many modifications and variations according to design of the present utility model.Therefore, all in the art technician comply with design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be in the determined protection domain by claims.
Claims (6)
1. the engineering energy dissipater that paddles is characterized in that: comprise upstream water delivery structure, drop structure, flow-control structure and downstream water delivery structure; Described upstream water delivery structure are connected with the conducting of described downstream water delivery structure by described drop structure; The downstream of the linkage section of described drop structure and described downstream water delivery structure is provided with the flow-control structure of projection, is provided with some limberss on the described flow-control structure.
2. the engineering energy dissipater that paddles as claimed in claim 1, it is characterized in that: the conducting of described drop structure is connected in a termination of described downstream water delivery structure; Described flow-control structure are one towards described termination, are arranged on the waterwall on the described downstream water delivery structure downstream, and the locus that forms between described waterwall and the described termination is corresponding to the below, connector position of described drop structure and described downstream water delivery structure.
3. the engineering energy dissipater that paddles as claimed in claim 1, it is characterized in that: the conducting of described drop structure is connected in the interlude of described downstream water delivery structure, described flow-control structure are that two mutual opposition are arranged on the waterwall on the described downstream water delivery structure bottom, and the locus that forms between described waterwall and the described downstream water delivery structure is corresponding to the below, connector position of described drop structure and described downstream water delivery structure.
4. the engineering energy dissipater that paddles as claimed in claim 2 or claim 3 is characterized in that: described waterwall comprises be arranged in parallel at grade lath of polylith, is provided with the limbers between the adjacent described lath.
5. the engineering energy dissipater that paddles as claimed in claim 4, it is characterized in that: described lath is for being horizontally disposed with.
6. the engineering energy dissipater that paddles as claimed in claim 4 is characterized in that: described lath arranges for vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220426337 CN202688967U (en) | 2012-08-24 | 2012-08-24 | Water-related project energy dissipater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220426337 CN202688967U (en) | 2012-08-24 | 2012-08-24 | Water-related project energy dissipater |
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| Publication Number | Publication Date |
|---|---|
| CN202688967U true CN202688967U (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220426337 Expired - Fee Related CN202688967U (en) | 2012-08-24 | 2012-08-24 | Water-related project energy dissipater |
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| CN (1) | CN202688967U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102787589A (en) * | 2012-08-24 | 2012-11-21 | 上海市城市建设设计研究总院 | Energy dissipater in wading engineering |
| CN103526734A (en) * | 2013-10-29 | 2014-01-22 | 中国水电顾问集团成都勘测设计研究院有限公司 | Water diversion structure for water conservancy and hydropower engineering |
-
2012
- 2012-08-24 CN CN 201220426337 patent/CN202688967U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102787589A (en) * | 2012-08-24 | 2012-11-21 | 上海市城市建设设计研究总院 | Energy dissipater in wading engineering |
| CN103526734A (en) * | 2013-10-29 | 2014-01-22 | 中国水电顾问集团成都勘测设计研究院有限公司 | Water diversion structure for water conservancy and hydropower engineering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20210824 |