CN114687329A - Fold water view let-off groove - Google Patents
Fold water view let-off groove Download PDFInfo
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- CN114687329A CN114687329A CN202210409300.XA CN202210409300A CN114687329A CN 114687329 A CN114687329 A CN 114687329A CN 202210409300 A CN202210409300 A CN 202210409300A CN 114687329 A CN114687329 A CN 114687329A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 221
- 230000000694 effects Effects 0.000 claims abstract description 16
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 238000005086 pumping Methods 0.000 claims abstract description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000004873 anchoring Methods 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 5
- 239000004567 concrete Substances 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/06—Spillways; Devices for dissipation of energy, e.g. for reducing eddies also for lock or dry-dock gates
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sewage (AREA)
Abstract
The invention discloses a water-stacking landscape drainage tank, which comprises a water-stacking drainage tank and a water delivery system; the water stacking and draining groove comprises a bottom plate, side walls, a drop sill and a water collecting sill; the bottom plate and the side walls are positioned at the bottom and two sides of the water stacking and draining groove, and the drop sill is positioned at the upper part of the bottom plate; the drop sill comprises an L-shaped plate, an anchor bolt and a rubber gasket, the L-shaped plate is fixed on the surface of the bottom plate through the anchor bolt, and the rubber gasket is clamped between the L-shaped plate and the bottom plate, so that water leakage is reduced. The water collecting ridge is positioned at the head end of the water stacking and draining groove and stores water stably on the initial water surface; the water delivery system comprises a water delivery pipe, a water intake, a vacuum pipe, a control valve and a submersible pump, wherein the water intake, the vacuum pipe, the control valve and the water delivery pipe form a siphon together for self-flowing water diversion when the normal water level of the reservoir is higher than the water collection bank; the submersible pump is positioned at the front end of the water delivery pipe and is used for pumping water to the water collecting pit when the normal water level of the reservoir is lower than the water collecting ridge. The invention has the advantages of improving the surface landscape of the chute, improving the underwater landscape effect of the dam, enriching the channel for discharging ecological flow, basically not influencing flood discharge, facilitating construction and the like.
Description
Technical Field
The invention relates to a chute structure in water conservancy and hydropower engineering, in particular to a chute structure which is used for improving and transforming a conventional spillway steep slope chute and has a water-stacking landscape effect.
Background
The spillway chute is a main building in a reservoir hub, is a passage for reservoir flood discharge, and is generally in an anhydrous and dry state in most periods such as non-flood periods or dry periods.
The current reservoir engineering combines ecological landscape tourism to carry out the project of developing more and more, and conventional chute is in the cutout state for a long time because of spillway flood discharge frequency is low. When vegetation covers well on both sides of the groove of the bank slope type spillway, the influence of a large-area concrete exposed structure of the bottom plate of the groove on the landscape is large, and when the ecological landscape requirement is gradually improved, the improvement and the transformation are necessary.
In a river channel, a medium-low weir dam has a fish scale dam or dragon scale dam structure, the functions of stepped energy dissipation, fish passing and water stacking manufacturing are realized by arranging a stepped concrete pool, the landscape of the place where the weir dam is located is also greatly improved, but the reinforced concrete structure is complicated to construct and long in construction period, and is not suitable for a high and steep spillway chute.
Disclosure of Invention
The invention aims to overcome the defects of low flood discharge frequency and poor ecological landscape effect of bare concrete of the existing spillway chute, and provides a chute structure which combines the ecological flow discharge requirement, has the water-stacking waterfall landscape effect, can discharge the spillway all the year round and is simple and convenient to construct.
The technical scheme adopted by the invention is as follows: a water-stacking landscape drainage tank comprises a water-stacking drainage tank and a water delivery system.
The water stacking spillway groove is positioned at the downstream of a spillway flood discharge gate, can be transformed on the basis of a conventional spillway groove, and comprises a bottom plate, side walls, a drop sill and a water collecting sill. The bottom plate and the side wall are of reinforced concrete structures of a conventional drainage groove and are respectively positioned at the bottom and two sides of the water stacking drainage groove; the drop sill is positioned at the upper part of the bottom plate and is arranged on the full-section step of the surface of the bottom plate at a certain interval, and the drop sill comprises an L-shaped plate, an anchoring bolt and a rubber gasket for forming a main structure of the water cascade. The short edge of the L-shaped plate is fixed on the surface of the bottom plate through the anchor bolt, the long edge of the L-shaped plate plays a role in local water storage and thin-wall weir step overlapping, and the rubber gasket is clamped between the short edge of the L-shaped plate and the bottom plate so as to reduce water leakage of a contact surface when the surface of the bottom plate is uneven. The water collecting ridge is positioned at the head end of the water stacking and draining groove, the outlet part of the water delivery pipe of the water delivery system and the bottom plate form an inverted triangular water collecting pit, and the water collecting pit plays a role in storing water and stabilizing the initial water surface.
The water delivery system comprises a water delivery pipe, a water intake, a vacuum pipe, a control valve and a submersible pump, wherein the front end of the water delivery pipe is connected with the water intake or the submersible pump positioned at the upstream of the reservoir junction, the middle part of the water delivery pipe sequentially penetrates through a side wall of a water inlet channel, a side wall of a flood discharge gate, a bottom plate of the flood discharge gate and a bottom plate of a water stacking and discharging groove to expose in a water collecting pit of the water stacking and discharging groove at the downstream of the flood discharge gate, and a steel pipe or a PE pipe is adopted; the water intake is positioned at the front end of the water delivery pipe and below the normal water level of the reservoir; the vacuum pipe is arranged in the middle of the water delivery pipe and is vertically connected to the earth surface, and an earth surface outlet of the vacuum pipe is used for connecting a vacuum pump; the control valve is positioned at the vertical section at the lower part of the water pipe, and is closed when the water pipe is filled for the first time, and is opened after vacuumizing and water filling, so that the water pipe can automatically guide water; the water intake, the vacuum pipe, the control valve and the water delivery pipe form a siphon together, and the siphon is used for self-flowing water diversion when the normal water level of the reservoir is higher than the water collection bank; the submersible pump is positioned at the front end of the water delivery pipe and is used for pumping water to the water collecting pit when the normal water level of the reservoir is lower than the water collecting ridge.
When the normal water level of the reservoir is higher than the water collecting ridge, the water delivery system can also cancel the submersible pump and the water delivery pipe thereof and only reserve the water intake, the vacuum tube, the control valve and the water delivery pipe at the rear part of the control valve.
When the normal water level of the reservoir is lower than the water collecting ridge, the water delivery system can also cancel a water intake, a vacuum tube, a control valve and a water delivery pipe thereof, and only reserve the submersible pump and the water delivery pipe at the rear part thereof.
The water stacking and draining groove can be arranged only at the middle and downstream sections of the draining groove, and the purpose that the siphon pipe formed by the water intake, the vacuum pipe, the control valve and the water conveying pipe can drain is achieved by reducing the elevation of the water conveying pipe outlet, so that low carbon and energy saving are achieved.
The falling sill L-shaped plate of the water-stacking leakage groove can adopt a wood-like aluminum alloy plate besides a conventional aluminum alloy plate. Green plates are selected to be fused with vegetation on two sides of the bank slope type spillway water-stacking and draining groove; and rich grid landscape effects can be built through diversified wood color combinations.
The falling sill L-shaped plate of the water-stacking and draining groove can also be made of stainless steel or angle steel with an anticorrosive coating coated on the surface.
The long edge top elevations of the falling sill L-shaped plates of the water stacking and draining grooves can be arranged at equal heights and can also be arranged at high heights, so that a pattern water stacking and curtain effect is formed by combining the falling sills at all levels.
The water delivery pipe of the water delivery system can be divided into a plurality of sections of branch pipes to the downstream section of the water stacking and discharging groove for re-exposure, and the height difference of the reservoir water level is directly utilized to build a high-pressure fountain effect.
The invention has the beneficial effects that:
1. and the surface landscape of the chute is improved. The water-stacking spillway can be formed by adding a wood-like aluminum alloy L-shaped plate on the surface of a bottom plate of a conventional spillway, and can be fused with vegetation on two sides of a bank slope type spillway if a green plate is selected; if diversified wood color combinations are selected, rich grid landscape effects can be created.
2. And the waterscape effect under the dam is improved. The drainage groove is large-area concrete which can be directly seen under the dam, and the invention can maintain small-flow constant flow water on the surface of the drainage groove through a water delivery system, and can directly form a multi-stage water-overlapping water curtain and a fountain. Further improved, and can be used for making music fountain and water curtain film, and developing ecological landscape tourism projects under the booster dam.
3. Enriches the channel for discharging the ecological flow. In order to ensure the ecological environment of the river channel at the downstream of the reservoir hub project, the newly-built project has the requirement of minimum ecological flow discharge, the original ecological flow discharge can only be discharged through a power generation hole or a flood discharge hole, and the invention further enriches the discharge channel of the ecological flow.
4. The flood discharge is basically not influenced and the construction is convenient. The water delivery pipe is buried in the concrete, and has no influence on flood discharge and construction; the falling step on the steep slope chute is an L-shaped plate, the height of the long edge is generally 10-20 cm, the height of the plate is low, the impact strength is high, and the chute flood discharge cannot be influenced; the drop sill is installed from bottom to top step by step and can be used as a step on a slope, so that construction is facilitated.
Drawings
FIG. 1 is a plan view of a stacked landscape chute according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 1;
FIG. 4 is a detail view A of a portion of FIG. 2;
fig. 5 is a drop threshold thumbnail.
In the figure: 1-overlapping water drainage grooves; 11-a base plate; 12-side walls; 13-falling threshold; 13a-L shaped plate; 13 b-anchor bolts; 13 c-rubber gasket; 14-catchment ridge; 2-a water delivery system; 21-water conveying pipe; 22-water intake; 23-vacuum tube; 24-a control valve; 25-a submersible pump; 3-flood discharge gate; 31-flood discharge gate side walls; 32-flood discharge gate floor; 4-side wall of water inlet channel.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, the invention relates to a water-stacking landscape drainage trough, which comprises a water-stacking drainage trough 1 and a water delivery system 2.
The water-stacking discharge chute 1 is positioned at the downstream of the spillway flood discharge gate 3 and can be transformed on the basis of the conventional discharge chute, and comprises a bottom plate 11, side walls 12, drop sills 13 and water collecting sills 14. The bottom plate 11 and the side wall 12 are of a reinforced concrete structure of a conventional drainage groove and are respectively positioned at the bottom and two sides of the water stacking drainage groove; the drop sill 13 is positioned at the upper part of the bottom plate 11 and is arranged on the surface full-section step of the bottom plate 11 of the water stacking and draining tank 1 at a certain interval, so as to form a main structure of a water stacking waterfall; the drop sill 13 comprises an L-shaped plate 13a, an anchor bolt 13b and a rubber gasket 13c, the L-shaped plate 13a is an aluminum alloy plate, the short side of the L-shaped plate 13a is fixed on the surface of the bottom plate 11 of the water stacking and draining groove 1 through the anchor bolt 13b, the long side of the L-shaped plate 13a has the effects of local water storage and thin-wall weir step water stacking, and the rubber gasket 13c is clamped between the short side of the L-shaped plate 13a and the bottom plate 11 of the water stacking and draining groove 1, so that the contact surface water leakage when the surface of the bottom plate 11 of the water stacking and draining groove 1 is uneven is reduced; the water collecting ridge 14 is positioned at the head end of the water stacking and discharging groove 1, the outlet part of the water delivery pipe 21 of the water delivery system 2 and the bottom plate 11 form an inverted triangular water collecting pit, and the water collecting pit plays a role in storing water and stabilizing the initial water surface.
The water delivery system 2 comprises a water delivery pipe 21, a water intake 22, a vacuum pipe 23, a control valve 24 and a submersible pump 25, wherein the front end of the water delivery pipe 21 is connected with the water intake 22 or the submersible pump 25 positioned at the upstream of the reservoir junction, the middle part of the water delivery pipe sequentially passes through the side wall 4 of the water inlet channel, the side wall 31 of the flood discharge gate, the bottom plate 32 of the flood discharge gate and the bottom plate 11 of the stacked water discharge groove 1 and is exposed in a water collecting pit of the stacked water discharge groove 1 at the downstream of the flood discharge gate 3, and a steel pipe or a PE pipe is adopted; the water intake 22 is positioned at the front end of the water delivery pipe 21 and below the normal water level of the reservoir; the vacuum pipe 23 is arranged in the middle of the water delivery pipe 21 and is vertically connected to the earth surface, and an earth surface outlet of the vacuum pipe is used for connecting a vacuum pump; the control valve 24 is positioned at the downstream vertical section of the water delivery pipe 21, is closed when the water delivery pipe 21 is filled with water for the first time, is opened after vacuumizing and water filling, and can guide water in a self-flowing manner through the water delivery pipe 21; the water intake 22, the vacuum pipe 23, the control valve 24 and the water delivery pipe 21 form a siphon together, and the siphon is used for automatically guiding water when the normal water level of the reservoir is higher than the water collection bank 14; the submersible pump 25 is positioned at the front end of the water delivery pipe 21 and is used for pumping water to the water collecting pit when the normal water level of the reservoir is lower than the water collecting ridge 14.
When the normal water level of the reservoir is higher than the water collection threshold 14, the water delivery system 2 can also cancel the submersible pump 25 and the water delivery pipe 21 thereof, and only reserve the water intake 22, the vacuum pipe 23, the control valve 24 and the water delivery pipe 21 at the rear part thereof.
When the normal water level of the reservoir is lower than the water collection bank 14, the water delivery system 2 can also cancel the water intake 22, the vacuum tube 23, the control valve 24 and the water delivery tube 21 thereof, and only reserve the submersible pump 25 and the water delivery tube 21 at the rear part thereof.
The water-stacking drainage tank 1 can also be arranged only at the middle and downstream sections of the drainage tank, and the purpose that the siphon pipe formed by the water intake 22, the vacuum pipe 23, the control valve 24 and the water conveying pipe 21 can drain water is achieved by reducing the height of the outlet of the water conveying pipe 21, so that the low-carbon energy-saving siphon drainage device is low-carbon and energy-saving.
The falling sill 13L-shaped plate 13a of the water stacking and draining groove 1 can be made of wood-like aluminum alloy plates besides conventional aluminum alloy plates. Green plates are selected to be fused with vegetation on two sides of the bank slope type spillway water-stacking and draining groove 1; and rich grid landscape effects can be built through diversified wood color combinations.
The falling sill 13L-shaped plate 13a of the water-stacking leakage groove 1 can also be made of stainless steel or angle steel subjected to surface coating anticorrosion treatment is directly utilized.
The long side top elevations of the L-shaped plates 13a of the drop sills 13 of the water-stacking and draining groove 1 can be arranged at equal heights and can also be arranged at high heights, so that a pattern-stacking water curtain effect is formed by combining the drop sills 13 at all levels.
The water pipe 21 of the water delivery system 2 can be divided into a plurality of sections of branch pipes to the downstream section of the water stacking and discharging groove 1 for further exposure, and the height difference of the reservoir water level is directly utilized to build a high-pressure fountain effect.
The above embodiments are described in connection with the accompanying drawings, but the present invention is not limited thereto, and it should be noted that, for those skilled in the art, the technical solutions obtained by equivalent replacement or equivalent change without departing from the spirit of the present invention, and all of them belong to the protection scope of the present invention.
Claims (8)
1. The utility model provides a fold water view let-off groove which characterized in that: it comprises a water-overlapping discharge groove and a water delivery system; the water conveying system comprises a water conveying pipe; the water stacking and draining tank comprises a bottom plate, side walls, drop sills and water collecting sills, wherein the bottom plate and the side walls are positioned at the bottom and two sides of the water stacking and draining tank; the water collecting ridge is positioned at the head end of the water stacking and draining groove and the outlet part of the water delivery pipe of the water delivery system, and forms an inverted triangular water collecting pit with the bottom plate.
2. The water-stacking landscape chute of claim 1, which is characterized in that: the drop sill comprises an L-shaped plate, an anchor bolt and a rubber gasket; the short edge of the L-shaped plate is fixed on the surface of the bottom plate through the anchoring bolt, the long edge of the L-shaped plate plays a role in local water storage and thin-wall weir step water stacking, and the rubber gasket is clamped between the short edge of the L-shaped plate and the middle of the bottom plate so as to reduce water leakage of a contact surface when the surface of the bottom plate is uneven.
3. The water-stacking landscape chute of claim 1, which is characterized in that: the water delivery system comprises a water delivery pipe, a water intake, vacuum pipes, a control valve and a submersible pump, wherein the front end of the water delivery pipe is connected with the water intake or the submersible pump positioned at the upstream of the reservoir junction, and the middle part of the water delivery pipe sequentially passes through the side wall of the water inlet channel, the side wall of the flood discharge gate, the bottom plate of the flood discharge gate and the bottom plate of the water stacking discharge groove to the downstream of the flood discharge gate and then is exposed in a sump of the water stacking discharge groove; the water intake is positioned at the front end of the water delivery pipe and below the normal water level of the reservoir; the vacuum pipe is arranged in the middle of the water delivery pipe and is vertically connected to the earth surface, and an earth surface outlet of the vacuum pipe is used for connecting a vacuum pump; the control valve is positioned at the vertical section at the downstream of the water delivery pipe, is closed when the water delivery pipe is filled for the first time, and is opened after vacuumizing and water filling, so that the water delivery pipe is subjected to self-flowing water diversion; the water intake, the vacuum pipe, the control valve and the water delivery pipe form a siphon together, and the siphon is used for self-flowing water diversion when the normal water level of the reservoir is higher than the water collection bank; the submersible pump is positioned at the front end of the water conveying pipe and used for pumping water to the water collecting pit when the normal water level of the reservoir is lower than the water collecting ridge.
4. The water-stacking landscape chute of claim 2, wherein: the L-shaped plate is an aluminum alloy plate or a wood-like aluminum alloy plate; the L-shaped plate is formed by fusing green plates with vegetation on two sides of the bank slope type spillway water-stacking and draining groove or by using diversified wood-color composite plates to build a grid landscape effect.
5. The water-stacking landscape chute of claim 2, wherein: the L-shaped plate is made of a stainless steel plate or angle steel with an anticorrosive coating coated on the surface.
6. The water-stacking landscape chute of claim 2, wherein: the long edge top elevations of the L-shaped plates are arranged in an equal height or a variable height mode, and therefore the pattern-superposed water curtain effect is achieved through combination of all levels of falling sills.
7. The water-stacking landscape chute of claim 1, which is characterized in that: the water delivery pipe of the water delivery system is divided into a plurality of sections of branch pipes to the middle and downstream sections of the water stacking and discharging groove and then exposed, so that the high-pressure fountain effect is created by directly utilizing the height difference of reservoir water level.
8. The water-stacking landscape chute of any one of claims 1, 3 or 7, wherein: the water delivery pipe is a steel pipe or a PE pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210409300.XA CN114687329A (en) | 2022-04-19 | 2022-04-19 | Fold water view let-off groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210409300.XA CN114687329A (en) | 2022-04-19 | 2022-04-19 | Fold water view let-off groove |
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| Publication Number | Publication Date |
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| CN114687329A true CN114687329A (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210409300.XA Pending CN114687329A (en) | 2022-04-19 | 2022-04-19 | Fold water view let-off groove |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204662380U (en) * | 2015-05-27 | 2015-09-23 | 三峡大学 | A kind of bench spillway |
| CN211228408U (en) * | 2019-11-01 | 2020-08-11 | 中国电建集团贵阳勘测设计研究院有限公司 | Landscape type spillway structure |
| CN114232556A (en) * | 2020-06-07 | 2022-03-25 | 甘肃省水利水电勘测设计研究院有限责任公司 | Anti-freezing ecological drainage device based on dam siphon principle |
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2022
- 2022-04-19 CN CN202210409300.XA patent/CN114687329A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204662380U (en) * | 2015-05-27 | 2015-09-23 | 三峡大学 | A kind of bench spillway |
| CN211228408U (en) * | 2019-11-01 | 2020-08-11 | 中国电建集团贵阳勘测设计研究院有限公司 | Landscape type spillway structure |
| CN114232556A (en) * | 2020-06-07 | 2022-03-25 | 甘肃省水利水电勘测设计研究院有限责任公司 | Anti-freezing ecological drainage device based on dam siphon principle |
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