CN217949273U - Structure for reducing rain peak and initial rainwater runoff pollution of offline storage tank - Google Patents
Structure for reducing rain peak and initial rainwater runoff pollution of offline storage tank Download PDFInfo
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- CN217949273U CN217949273U CN202222349088.0U CN202222349088U CN217949273U CN 217949273 U CN217949273 U CN 217949273U CN 202222349088 U CN202222349088 U CN 202222349088U CN 217949273 U CN217949273 U CN 217949273U
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Abstract
The utility model relates to a structure that is used for off-line regulation pond to realize reducing rain peak and initial stage rainfall runoff and pollutes belongs to drainage technology field, specifically includes and sets up two kinds of intercommunication modes at the regulation pond with taking off the pump station: firstly, an overflow well is arranged behind a pump station grid and in front of a front pool, a lower opening overflow weir gate is arranged at the communication position of the overflow well and a storage regulation pool, and offline peak clipping and storage regulation is realized by opening the weir gate; the second is that the communicating gate arranged between the front pool and the regulating storage pool of the pump station enters the regulating storage pool. Through linking with the weather, switch the intercommunication mode, realize the regulation and storage pond and reduce the peak value and control the multiple function operational mode of initial stage rainfall runoff pollution.
Description
Technical Field
The utility model relates to a structure that is used for off-line regulation pond to realize reducing rain peak and initial stage rainfall runoff and pollutes belongs to drainage technology field.
Background
And (3) reducing a peak value regulation pool, starting and taking off a pump station firstly under rainfall corresponding to the fortification standard, allowing rainwater exceeding the pumping capacity of the pump station to enter the regulation pool for regulation, and reducing the rainfall under the fortification standard together with the regulation pool through pumping and drainage of the pump station. Rainfall under the set-up prevention standard is generally concentrated in the flood season, although the rainfall in the flood season accounts for more than sixty percent of the annual rainfall, the days of small rainfall reduction in the whole year accounts for more than eighty percent of the annual rainfall, and the pumping capacity of a pumping station can be generally used for small rainfall, so that the frequency of peak value reduction in the whole year is low, and the utilization rate is low. The early stage rainfall carrying road scouring pollutants into rivers to cause pollution becomes a key point of attention, how to realize the function diversification of the reduction peak value regulation pool, the reduction peak value effect is realized by heavy rain, the early stage rainwater pollution control is realized by light rain, the utilization rate of the regulation pool is improved, the engineering benefit is fully exerted, and a reasonable control method is urgently needed.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem that prior art exists, the utility model provides a method is simple and easy, realizes the structure that is used for off-line regulation pond of multi-functional regulation to realize reducing rain peak and initial stage rainfall runoff pollutes.
For realizing above-mentioned mesh, the utility model discloses the technical scheme who adopts realizes cutting down the structure that rain peak and initial stage rainwater runoff pollutes for being used for off-line regulation pond, including pump station regulation pond system, pump station regulation pond system includes that the inlet pipe culvert, inlet gate well, inlet gate, water conservancy diversion channel, grille well, overflow gate well, the overflow weir door of opening downwards, regulation pond inlet pipe culvert and regulation pond, the inlet side of inlet gate well is connected with the inlet pipe culvert, the outlet side of inlet gate well is connected with the water conservancy diversion channel, be provided with a plurality of water inlets between inlet gate well and the water conservancy diversion channel, install inlet gate on the water inlet, all a plurality of grille wells are connected to the outlet side of water conservancy diversion channel, the outlet side of grille well is provided with a plurality of overflow gate wells, the outlet side of overflow gate well is provided with a plurality of overflow gate wells, pump station forebay and pump station sump well are installed in the pump station sump well, the lateral part of grille well, overflow gate well and sump well is provided with the inlet pipe culvert pump station through regulation pond inlet pipe culvert one side of rainwater is linked together with the rainwater pond under the initial stage sump basin, the inlet pipe culvert is connected with the rainwater through the inlet pipe culvert one side of rainwater.
Preferably, the number of the overflow gate wells is two, and the two overflow gate wells are respectively communicated with the pipe culvert water collecting well through the lower overflow weir gate.
Compared with the prior art, the utility model discloses following technological effect has: the utility model discloses an increase overflow weir door and communicate the gate and realize the multifunctionalization of regulation pond, adopt this structure to carry out the method simple and easy of regulation simultaneously, can realize automatic control with the meteorological linkage to use extensively, can popularize and apply in urban rainwater regulation pond system, help the improvement of urban water environment quality.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the present invention.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and fig. 2, a structure for off-line regulation pond realizes cutting down rain crest and initial stage rainwater runoff pollution, including pump station regulation pond system, pump station regulation pond system includes intake pipe culvert 1, intake gate well 2, intake gate 3, water conservancy diversion channel 4, grille well 5, overflow gate well 6, overflow weir door 7 under, regulation pond intake pipe culvert 8 and regulation pond 9, the intake side of intake gate well 2 is connected with intake pipe culvert 1, the outlet side of intake gate well 2 is connected with water conservancy diversion channel 4, be provided with a plurality of water inlets between intake gate well 2 and the water conservancy diversion channel 4, install intake gate 3 on the water inlet, the outlet side of water conservancy diversion channel 4 is connected all a plurality of grille wells 5, the outlet side of grille well 5 is provided with a plurality of overflow gate wells 6, the outlet side of overflow gate well 6 is provided with pump station forebay 12 and pump station sump 13, install a plurality of water pumps 14 in the sump 13, grille well 5, the lateral part of overflow gate well 6 is provided with initial stage sump basin 15, the intake pipe culvert 7 is connected with pump station 12 and pump station by overflow gate 16, the intake pipe culvert 16 is connected with the rainwater through the intake pipe culvert 16, the rainwater regulation pond 16 is connected with the initial stage rainwater collection pond.
The number of the overflow gate wells 6 is two, and the two overflow gate wells are respectively communicated with the pipe culvert water collecting well 15 through the lower opening overflow weir gate 7.
The utility model discloses a realize the multi-functional regulation in off-line regulation pond, set up two kinds of intercommunication modes at the regulation pond with take off the pump station: firstly, an overflow well is arranged behind a pump station grid and in front of a front pool, a lower opening overflow weir gate is arranged at the communication position of the overflow well and a storage regulation pool, and offline peak clipping and storage regulation is realized by opening the weir gate; the second type is that the communicating gate arranged between the front pool of the pump station and the storage regulation pool enters the storage regulation pool. Through linking with the weather, switch the intercommunication mode, realize the regulation and storage pond and reduce the peak value and control the multiple function operational mode of initial stage rainfall runoff pollution. When rainfall is large, a first communication mode is adopted, rainwater exceeding the pumping capacity of the dewatering pump station enters the offline storage tank from an overflow weir in the overflow well, the rainfall peak value is reduced, and the rainwater is discharged after rainfall. When rainfall is small, the rainwater enters the regulation and storage pool through opening and taking off a communicating gate arranged between the pump station forebay and the regulation and storage pool, the regulation is to control the working condition of the regulation and storage pool polluted by initial rainwater runoff, a certain liquid level is reached, the gate is closed, a water pump is opened for pumping drainage, the initial rainwater stored in the regulation and storage pool is discharged into a sewage pipe network after rain, and the rainwater is treated in a sewage plant.
During the specific use, the rainfall is contained 1 by the intake pipe and is got into pump station regulation and storage pond system, through inlet gate well 2, water conservancy diversion channel 4 gets into grille well 5, get into overflow gate well 6 after setting up in grille well 5's grid interception bars sediment, through linking with the meteorology, judge the operational mode, if the rainfall is less, open initial stage rainwater inlet gate 11 and close the interior gate of overflow gate well 6, realize just rain control runoff pollution mode, behind the rain through set up pump peak staggering pump drainage to sewage plant in the regulation and storage pond handle, if the rainfall is great, the water level reaches water pump 14 operation water level and opens the water pump, exceed overflow lower gate elevation in overflow gate well 6 and go into the regulation and storage pond from overflow gate well 6, realize the mode of clipping, empty regulation and storage pond behind the rain.
The above description is only exemplary of the present invention and should not be taken as limiting, and any modifications, equivalents, and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (2)
1. A structure for off-line regulation pond realizes cutting down rain peak and initial stage rainfall runoff pollutes, including pump station regulation pond system, its characterized in that: pump station regulation pond system includes that the inlet pipe culvert, inlet gate well, inlet gate, water conservancy diversion channel, grid well, overflow gate well, lower overflow weir door, regulation pond inlet pipe culvert and regulation pond, the inlet side of inlet gate well is connected with the inlet pipe culvert, the outlet side of inlet gate well is connected with the water conservancy diversion channel, be provided with a plurality of water inlets between inlet gate well and the water conservancy diversion channel, install inlet gate on the water inlet, all a plurality of grid wells are connected to the outlet side of water conservancy diversion channel, the outlet side of grid well is provided with a plurality of overflow gate wells, the outlet side of overflow gate well is provided with pump station forebay and pump station sump pit, install a plurality of water pumps in the pump station sump pit, the lateral part of grid well, overflow gate well is provided with the pipe culvert sump pit, overflow weir door is linked together between overflow gate and the pipe culvert sump pit, the pipe culvert is connected with the regulation pond through the regulation pond inlet pipe culvert, one side of pump station forebay is provided with the initial stage rainwater pond, the inlet pipe culvert is linked together through initial stage inlet pipe hole and rainwater.
2. The structure for realizing reduction of rain peak and initial rainwater runoff pollution of an offline regulation and storage tank according to claim 1, is characterized in that: the overflow gate wells are two and are respectively communicated with the pipe culvert water collecting well through the lower opening overflow weir gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222349088.0U CN217949273U (en) | 2022-09-05 | 2022-09-05 | Structure for reducing rain peak and initial rainwater runoff pollution of offline storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222349088.0U CN217949273U (en) | 2022-09-05 | 2022-09-05 | Structure for reducing rain peak and initial rainwater runoff pollution of offline storage tank |
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| Publication Number | Publication Date |
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| CN217949273U true CN217949273U (en) | 2022-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202222349088.0U Active CN217949273U (en) | 2022-09-05 | 2022-09-05 | Structure for reducing rain peak and initial rainwater runoff pollution of offline storage tank |
Country Status (1)
| Country | Link |
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| CN (1) | CN217949273U (en) |
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2022
- 2022-09-05 CN CN202222349088.0U patent/CN217949273U/en active Active
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