CN219825451U - River water intake system along with water level change - Google Patents
River water intake system along with water level change Download PDFInfo
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- CN219825451U CN219825451U CN202320768974.9U CN202320768974U CN219825451U CN 219825451 U CN219825451 U CN 219825451U CN 202320768974 U CN202320768974 U CN 202320768974U CN 219825451 U CN219825451 U CN 219825451U
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- taking pipeline
- gate
- pipeline
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 269
- 210000000481 breast Anatomy 0.000 claims abstract description 38
- 239000004576 sand Substances 0.000 claims abstract description 33
- 238000011010 flushing procedure Methods 0.000 claims abstract description 25
- 238000005381 potential energy Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 230000009194 climbing Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 238000009825 accumulation Methods 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 5
- 239000013049 sediment Substances 0.000 description 5
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 206010060904 Freezing phenomenon Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Abstract
The utility model discloses a river water intake system changing with water level, which comprises a river, a breast wall type water inlet gate, a flood discharge sand flushing gate and a water diversion channel at the downstream of the breast wall type water inlet gate, wherein the river water intake system also comprises a high-position water intake pipeline and a low-position water intake pipeline, a water inlet of the high-position water intake pipeline is arranged at the front position of the breast wall type water inlet gate, a water inlet of the low-position water intake pipeline is arranged at the front position of the flood discharge sand flushing gate, and water outlets of the high-position water intake pipeline and the low-position water intake pipeline are both communicated with the water diversion channel. The utility model can take water in different modes at high, medium and low water levels, avoid water taking interruption and improve the engineering water supply guarantee rate.
Description
Technical Field
The utility model belongs to the technical field of hydraulic engineering, and particularly relates to a river water intake system changing along with water level.
Background
The water intake hub commonly used in river channels in hydraulic engineering generally comprises a breast wall type water inlet gate and a flood discharge sand flushing gate, water is taken through the breast wall type water inlet gate and conveyed to a downstream water diversion channel, a sand blocking ridge is usually arranged in front of the breast wall type water inlet gate so as to ensure that water is not influenced by sediment accumulation, the height of a bottom plate of the breast wall type water inlet gate is also higher than that of the bottom plate of the flood discharge sand flushing gate, when sediment accumulation in front of the sand blocking ridge is excessive, a gate of the flood discharge sand flushing gate is opened, and stronger water flow can be generated by means of the lower position of the gate, so that sediment accumulation in front of the sand blocking ridge is flushed away.
However, as the season of dead water and winter arrive, water is often taken less or even not taken through the breast wall type water inlet gate due to the influence of low water level and freezing; in addition, along with the utilization of water energy, a river blocking hub can be built on a river channel at the downstream of the water taking hub, so that the water level of a river bed rises, and the accumulation is aggravated before a breast wall type water inlet gate, so that water is not taken smoothly through the breast wall type water inlet gate.
In summary, the existing river water intake system has the problem that water intake is difficult or impossible when the water level is low (especially when freezing exists at the same time) or high.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide the river water taking system which changes along with the water level, so that water can be taken in different modes at high, medium and low water levels, water taking interruption is avoided, and the engineering water supply guarantee rate is improved.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a river course water intaking system along with water level variation, includes river course, breast wall formula water inlet gate, flood discharge sand flushing gate and the diversion channel of breast wall formula water inlet gate low reaches, still includes high-order water intake pipeline and low-order water intake pipeline in its structure, and the water inlet of high-order water intake pipeline sets up in the floodgate front position of breast wall formula water inlet gate, and the water inlet of low-order water intake pipeline sets up in the floodgate front position of flood discharge sand flushing gate, and the delivery port of high-order water intake pipeline and low-order water intake pipeline all lets in the diversion channel.
As a preferable technical scheme of the utility model, the water inlet of the high-level water intake pipeline is higher than the upper edge of the breast wall type water inlet gate; the water inlet elevation of the low-level water taking pipeline is arranged between the bottom plate and the upper edge of the gate of the flood discharge sand washing gate.
As a preferable technical scheme of the utility model, the high-position water taking pipeline and the low-position water taking pipeline are used for controlling water through the control valve well, and the parts of the high-position water taking pipeline and the low-position water taking pipeline at the downstream of the control valve well are mutually separated or combined into one.
As a preferable technical scheme of the utility model, the flood discharge sand flushing gate is arranged close to the breast wall type water inlet gate, the high-position water taking pipeline and the low-position water taking pipeline respectively penetrate through the side walls of the flood discharge sand flushing gate and the breast wall type water inlet gate, the rear ends of the high-position water taking pipeline and the low-position water taking pipeline penetrate through the side slopes of the water diversion channel, the heights of the high-position water taking pipeline and the low-position water taking pipeline from the water inlet to the water outlet are gradually reduced, and the water diversion power of the high-position water taking pipeline and the low-position water taking pipeline is the potential energy of water.
As a preferable technical scheme of the utility model, the high-position water taking pipeline and the low-position water taking pipeline are siphon pipes, the high-position water taking pipeline and the low-position water taking pipeline respectively climb from respective water inlets to cross a breast wall type water inlet gate and a flood discharge sand flushing gate, then descend to be led into the water diversion channel, the highest points of the high-position water taking pipeline and the low-position water taking pipeline are positioned in a control valve well, a vacuum pump and a butterfly valve are arranged at the highest points of the high-position water taking pipeline and the low-position water taking pipeline, and auxiliary valves are arranged at the positions of the rear ends of the high-position water taking pipeline and the low-position water taking pipeline lower than the water inlets.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in: the utility model can take water in different modes at high, medium and low water levels, avoid water taking interruption and improve the engineering water supply guarantee rate.
Specifically, (1) when the water level is moderate, the breast wall type water inlet gate is opened to realize water taking; (2) When the water level is low, particularly when the freezing phenomenon exists at the same time, the water intake of the breast wall type water intake gate is small, even water cannot be taken, and as the bottom plate of the flood discharge sand flushing gate is low, the water still has enough water depth at the low water level, and water is taken from the front of the flood discharge sand flushing gate through the low-position water intake pipeline; (3) When the river junction is built at the downstream of the river channel, the water level of the river bed is raised, sediment accumulation is aggravated before the breast wall type water inlet gate, so that water is taken through the breast wall type water inlet gate smoothly, sediment accumulation cannot be taken away through the flood discharge and sand flushing gate, the breast wall type water inlet gate is closed at the moment, and water is taken from the front of the breast wall type water inlet gate through a high-position water taking pipeline.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a plan view of the present utility model.
In the figure: 1. the wall type flood discharge sand flushing gate comprises a breast wall type water inlet gate 2, a flood discharge sand flushing gate 3, a water diversion channel 4, a high-position water taking pipeline 5, a low-position water taking pipeline 6, a control valve well 7 and a sand blocking ridge.
Detailed Description
Referring to fig. 1, the structure of a concrete embodiment of the utility model comprises a river channel, a breast wall type water inlet gate 1, a flood discharge sand flushing gate 2 and a water diversion channel 3 at the downstream of the breast wall type water inlet gate 1, and also comprises a high-level water intake pipeline 4 and a low-level water intake pipeline 5, wherein the water inlet of the high-level water intake pipeline 4 is arranged at the position in front of the breast wall type water inlet gate 1, the water inlet of the low-level water intake pipeline 5 is arranged at the position in front of the flood discharge sand flushing gate 2, and the water outlets of the high-level water intake pipeline 4 and the low-level water intake pipeline 5 are both led into the water diversion channel 3.
The water inlet of the high-level water intake pipeline 4 is higher than the upper edge of the gate of the breast wall type water inlet gate 1; the water inlet elevation of the low-level water intake pipeline 5 is arranged between the bottom plate and the upper edge of the gate of the flood discharge sand flushing gate 2.
The high-order water intake pipeline 4 and the low-order water intake pipeline 5 control water intake through the control valve well 6, and the parts of the high-order water intake pipeline 4 and the low-order water intake pipeline 5 at the downstream of the control valve well 6 are combined into a whole. The mode is suitable for the water diversion channel 3 to descend faster in height, and the high-order water taking pipeline 4 and the low-order water taking pipeline 5 can acquire the water outlet position lower than the water inlet height in a short distance.
The flood discharge sand washing gate 2 is arranged close to the breast wall type water inlet gate 1, the high-level water taking pipeline 4 and the low-level water taking pipeline 5 penetrate through the side walls of the flood discharge sand washing gate 2 and the breast wall type water inlet gate 1 respectively, the rear ends of the high-level water taking pipeline 4 and the low-level water taking pipeline 5 penetrate through the side slopes of the water diversion channel 3, the heights of the high-level water taking pipeline 4 and the low-level water taking pipeline 5 from the water inlet to the water outlet are gradually reduced, and the water diversion power of the high-level water taking pipeline 4 and the low-level water taking pipeline 5 is the potential energy of water. The advantage of this embodiment is that the water does not need a pressurization system, and can naturally flow into the water diversion channel 3 by means of the potential energy of the water. The water flow stabilizing device is suitable for geological stability, water flow is slower, the stable environment of the hydraulic building is facilitated, and the stability and safety of the hydraulic building are not affected even if the pipeline is arranged through the wall.
In other embodiments, the high-level water intake pipeline 4 and the low-level water intake pipeline 5 are siphon pipes, the high-level water intake pipeline 4 and the low-level water intake pipeline 5 are all in the trend of climbing from respective water inlets to cross the breast wall type water inlet gate 1 and the flood discharge sand flushing gate 2 respectively, then the water intake pipeline 3 is led into in a descending manner, the highest point of the high-level water intake pipeline 4 and the low-level water intake pipeline 5 is positioned in the control valve well 6, the highest points of the high-level water intake pipeline 4 and the low-level water intake pipeline 5 are provided with vacuum pumps and butterfly valves, and the positions of the rear ends of the high-level water intake pipeline 4 and the low-level water intake pipeline 5 lower than the water inlets are provided with auxiliary valves. The embodiment has the advantages that the pipeline does not need to pass through the water conservancy building body, and the pipeline is easy to replace when abnormal; however, when switching to high-order diversion or low-order diversion, a pressurizing system consisting of a vacuum pump, a butterfly valve and an auxiliary valve is required to fill the siphon with water, so that a diversion program is started. The specific starting process is to close the auxiliary valve, open the vacuum pump and the butterfly valve until the siphon pipe is full of water, close the vacuum pump and the butterfly valve and open the auxiliary valve, and continuously perform high-level water taking or low-level water taking by means of the siphon principle.
In other embodiments, the portions of the high-level water intake pipe 4 and the low-level water intake pipe 5 downstream of the control valve well 6 are separated from each other. The water diversion channel 3 is suitable for low-level water taking time, the height of the water diversion channel 3 is slow to descend, and the low-level water taking pipeline 5 cannot acquire the water outlet position lower than the height of the water inlet in a short distance.
The above description is presented only as a practical solution of the utility model and is not intended as a single limitation on the solution itself.
Claims (5)
1. The utility model provides a river course water intaking system along with water level variation, includes river course, breast wall formula water inlet gate, flood discharge sand flushing gate and the diversion channel of breast wall formula water inlet gate low reaches, its characterized in that: the structure of the flood discharge sand flushing gate also comprises a high-position water taking pipeline and a low-position water taking pipeline, wherein the water inlet of the high-position water taking pipeline is arranged at the front position of the gate of the breast wall type water inlet gate, the water inlet of the low-position water taking pipeline is arranged at the front position of the gate of the flood discharge sand flushing gate, and the water outlets of the high-position water taking pipeline and the low-position water taking pipeline are both communicated with the water diversion channel.
2. The water intake system of claim 1, wherein: the water inlet of the high-level water intake pipeline is higher than the upper edge of the breast wall type water inlet gate; the water inlet elevation of the low-level water taking pipeline is arranged between the bottom plate and the upper edge of the gate of the flood discharge sand washing gate.
3. The water intake system of claim 1, wherein: the high-order water taking pipeline and the low-order water taking pipeline are used for controlling water through the control valve well, and the high-order water taking pipeline and the low-order water taking pipeline are mutually separated or combined into one at the downstream part of the control valve well.
4. A watercourse water intake system as claimed in any one of claims 1 to 3 wherein: the flood discharge sand flushing gate is arranged close to the breast wall type water inlet gate, the high-position water taking pipeline and the low-position water taking pipeline penetrate through the side walls of the flood discharge sand flushing gate and the breast wall type water inlet gate respectively, the rear ends of the high-position water taking pipeline and the low-position water taking pipeline penetrate through the side slopes of the water diversion channel, the heights of the high-position water taking pipeline and the low-position water taking pipeline from the water inlet to the water outlet are gradually reduced, and the water diversion power of the high-position water taking pipeline and the low-position water taking pipeline is the potential energy of water.
5. A watercourse water intake system as claimed in any one of claims 1 to 3 wherein: the high-order water taking pipeline and the low-order water taking pipeline are siphons, the high-order water taking pipeline and the low-order water taking pipeline are all in the trend of climbing from respective water inlets to cross a breast wall type water inlet gate and a flood discharging sand flushing gate respectively, then the water diversion pipeline is led in a descending mode, the highest point of the high-order water taking pipeline and the low-order water taking pipeline is located in a control valve well, a vacuum pump and a butterfly valve are arranged at the highest point of the high-order water taking pipeline and the low-order water taking pipeline, and an auxiliary valve is arranged at the position, lower than the water inlets, of the rear ends of the high-order water taking pipeline and the low-order water taking pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320768974.9U CN219825451U (en) | 2023-04-10 | 2023-04-10 | River water intake system along with water level change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320768974.9U CN219825451U (en) | 2023-04-10 | 2023-04-10 | River water intake system along with water level change |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219825451U true CN219825451U (en) | 2023-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320768974.9U Active CN219825451U (en) | 2023-04-10 | 2023-04-10 | River water intake system along with water level change |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219825451U (en) |
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2023
- 2023-04-10 CN CN202320768974.9U patent/CN219825451U/en active Active
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