CN215977638U - Sea drainage pump station capable of realizing energy-saving operation by utilizing tide - Google Patents
Sea drainage pump station capable of realizing energy-saving operation by utilizing tide Download PDFInfo
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- CN215977638U CN215977638U CN202121916396.6U CN202121916396U CN215977638U CN 215977638 U CN215977638 U CN 215977638U CN 202121916396 U CN202121916396 U CN 202121916396U CN 215977638 U CN215977638 U CN 215977638U
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Abstract
The utility model belongs to the technical field of municipal hydraulic engineering, and discloses a sea drainage pump station for realizing energy-saving operation by utilizing tides, which comprises a water inlet pipe culvert communicated with an urban river channel, wherein the water inlet pipe culvert is connected with a water collecting tank through a water inlet gate and a grid well; a power forced drainage channel and an energy-saving self-drainage channel are arranged in the water collecting pool in parallel, a water pump and a first duckbill valve are arranged at the outlet of the power forced drainage channel, and a self-drainage channel gate is arranged at the outlet of the energy-saving self-drainage channel; the outlet end of the power forced-drainage channel and the energy-saving self-drainage channel are both connected with a water outlet pool, the water outlet pool is connected with an inlet of a moisture-proof gate well through a first water outlet pipe culvert, and the moisture-proof gate well is communicated with an externally-discharged river sea. The utility model can overcome the defects of the respective construction of the traditional flood discharge channel and the sea drainage pump station, solves the problem of energy consumption caused by the fact that the traditional sea drainage pump station singly adopts power to lift and forcibly discharge water, and realizes the effects of scientific operation and energy-saving operation by effectively utilizing the water level difference of the urban river channel control water level and the high and low tide levels of discharged river and sea.
Description
Technical Field
The utility model belongs to the technical field of municipal hydraulic engineering, and particularly relates to a sea drainage pump station.
Background
The sea drainage pump station is an important component for municipal and water conservancy infrastructure construction, and has important functions of urban drainage, flood prevention and storm prevention. In a traditional urban flood control system, flood discharge channels and sea drainage pump stations are usually constructed and managed respectively; the flood discharge channel controls the water level of the urban river channel by opening the moisture-proof gate; the sea drainage pump station singly adopts power to lift the urban river water body and forcibly discharge the urban river water body outside; the two sets of systems need coordinated management in operation.
With the continuous development of urban construction and frequent occurrence of extreme weather events, the problems of urban inland inundation and storm tide prevention are paid extensive attention, and urban safety becomes a great importance. Under the principle of meeting the drainage function, the power and energy consumption are saved and scientific management is achieved, and the method is an important aspect which needs to be concerned in the flood control and drainage design and construction process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sea drainage pump station for realizing energy-saving operation by utilizing tides, overcomes the defects that the traditional flood discharge channel and the sea drainage pump station are respectively constructed, and solves the problem that the traditional sea drainage pump station singly adopts power to lift and forcibly discharge a water body to the outside so as to cause energy consumption; the utility model effectively utilizes the water level difference between the urban river control water level and the high and low tide levels of the discharged river sea to realize the scientific operation and the energy-saving operation.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model provides a sea drainage pump station for realizing energy-saving operation by utilizing tides, which comprises a water inlet pipe culvert communicated with an urban river channel, wherein the water inlet pipe culvert is connected with an inlet of a grid well through a water inlet gate, and an outlet of the grid well is connected with an inlet of a water collecting tank;
a power forced drainage channel and an energy-saving self-drainage channel are arranged in the water collecting tank, the power forced drainage channel and the energy-saving self-drainage channel are arranged in parallel, and the inlet ends of the power forced drainage channel and the energy-saving self-drainage channel are communicated with the inlet of the water collecting tank;
the outlet of each power forced drainage channel is provided with a water pump, and a matched water outlet pipeline of the water pump is provided with a first duckbill valve; the outlet of each energy-saving self-drainage channel is provided with a self-drainage channel gate, and the self-drainage channel gate adopts a bidirectional water stop gate;
the exit end of power forced-ventilated channel with the exit end of energy-conserving self-ventilated channel all with the entry linkage in play pond, the export in play pond is contained and is connected with the entry linkage of dampproofing floodgate well through first play water pipe, the export and the outer river sea intercommunication of arranging of dampproofing floodgate well.
Further, a grating is arranged inside the grating well.
Further, the power forced drainage channel is in the inside centralized arrangement of catch basin, energy-conserving self-drainage channel is arranged power forced drainage channel both sides.
Further, the power forced drainage channel and the energy-saving self-drainage channel share a water inlet gate and a grating well.
Furthermore, the top of the water outlet pool is provided with an exhaust valve.
Further, the outlet of the moisture-proof lock well is communicated with the discharged river sea through a second water outlet pipe culvert.
Further, inside second duckbilled valve and the stoplog floodgate well of being provided with of dampproofing floodgate well, the second duckbilled valve is arranged the entry end of dampproofing floodgate well, the stoplog floodgate well is arranged the exit end of dampproofing floodgate well.
Further, a stoplog gate slot is embedded in the stoplog gate well.
Furthermore, liquid level sensors are arranged on the urban river channel and the discharged river and sea, and the opening and closing of the water pump and the opening and closing of the self-drainage channel gate can be controlled according to the numerical values of the liquid level sensors.
Further, the water pump and the self-draining canal gate are manually or automatically controlled
The utility model has the beneficial effects that:
the energy-saving self-discharging channel and the power forced discharging channel are simultaneously arranged in the pump station main body, so that the characteristic of large tide level change of the discharged river can be effectively utilized, and the energy-saving self-discharging or forced power discharging mode is scientifically selected according to the difference between the internal water level and the external water level, so that the operation energy consumption is saved;
a plurality of groups of water pumps are arranged, so that corresponding number of water pumps can be started according to the flood discharge speed required by the rising speed and the slow speed of the water level of the urban river, and the energy consumption is reasonably used;
thirdly, the sea drainage self-drainage system and the forced drainage system are jointly built, so that the construction land is saved, and centralized operation management is facilitated;
and (IV) the water inlet lock well and the grating well are integrated, so that impurities can be effectively blocked, the water quality can be purified, and the environmental quality of the seawater in the river can be protected.
Drawings
FIG. 1 is a schematic plan view of a sea chest provided by the present invention;
FIG. 2 is a schematic diagram of a power forced-exhaust operation flow of the sea pump station provided by the utility model;
fig. 3 is a schematic diagram of an energy-saving self-discharging operation process of the sea pumping station provided by the utility model.
In the above figures: 1-urban river channel, 2-water inlet pipe culvert, 3-water inlet gate well, 4-grid well, 5-water collecting pool, 6-power forced drainage channel, 7-energy-saving self-drainage channel, 8-water outlet pool, 9-first water outlet pipe culvert, 10-damp-proof gate well, 11-second water outlet pipe culvert, 12-outer drainage river sea, 13-water inlet gate, 14-grid, 15-water pump, 16-self drainage canal gate, 17-first duckbill valve, 18-second duckbill valve, 19-overlapping beam gate well, 20-exhaust valve, H1-river channel lowest water level, H2-river channel normal water level, H3-river channel highest water level, H1-low tide cumulative frequency 90% tide level, H2-average tide level, H3-high tide cumulative frequency 10% tide level, and H4-50 year high tide level.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:
considering that the water level of the urban river channel is a determined value, and the high and low tide levels of the discharged river sea are changed regularly, the sea drainage pump station effectively utilizes the water level difference between the urban river channel and the discharged river sea, and can realize scientific operation and energy saving effects.
As shown in fig. 1 to 3, the utility model provides a sea drainage pump station for realizing energy-saving operation by utilizing tides, which mainly comprises a water inlet pipe culvert 2, a water inlet lock well 3, a grating well 4, a water collecting tank 5, a power forced drainage channel 6, an energy-saving self-drainage channel 7, a water outlet tank 8, a first water outlet pipe culvert 9, a moisture-proof lock well 10, a second water outlet pipe culvert 11, a water inlet gate 13, a grating 14, a water pump 15, a self-drainage channel gate 16, a first duck-bill valve 17, a second duck-bill valve 18, a superposed beam lock well 19 and an exhaust valve 20.
The entry and the city river 1 intercommunication of water inlet pipe culvert 2, the export of water inlet pipe culvert 2 is connected with the entry of grid well 4 through inlet gate 13. The inlet gate 13 is used for controlling the water to enter the water collecting tank 5, and when the inside of the water collecting tank 5 needs to be overhauled, the inlet gate 13 is closed to prevent the water from entering the water collecting tank 5. The outlet of the grid well 4 is provided with a grid 14 and is connected to the inlet of the sump 5, the grid 14 serving to isolate the solid waste in the body of intake water.
The inside of the water collecting tank 5 is provided with a power forced drainage channel 6 and an energy-saving self-drainage channel 7, and the power forced drainage channel 6 and the energy-saving self-drainage channel 7 are arranged in parallel and are communicated with an inlet of the water collecting tank 5. The power forced drainage channel 6 is arranged in the middle inside the water collecting tank 5, and the energy-saving self-drainage channels 7 are arranged on two sides of the power forced drainage channel 6, so that the water pump 15 is closer to the first water outlet pipe culvert 9, the water outlet loss during power forced drainage is reduced, and the energy-saving operation is embodied again. The power forced drainage channel 6 and the energy-saving self-drainage channel 7 share the water inlet gate 3, the grating well 4 and the water collecting pool 5.
The outlet of each power forced drainage channel 6 is provided with a water pump 15, a first duckbill valve 17 is arranged on a matched water outlet pipeline of the water pump 15, so that a power forced drainage system is formed, and the water body in the water collecting tank 5 is discharged outwards in a forced power mode. The first duckbill valve 17 is made of rubber as a main material and has excellent corrosion resistance; and can prevent the water body from flowing backwards to impact and damage the water pump 15 after the water pump 15 stops pumping.
The outlet of each energy-saving self-drainage channel 7 is provided with a self-drainage channel gate 16, and the self-drainage channel gate 16 needs to adopt a bidirectional water-stop gate, thereby forming an energy-saving self-drainage system. When the power is forced to drain, the self-drainage channel gate 16 is closed, so that the water collecting tank 5 is separated from the water outlet tank 8, and the water in the water outlet tank 8 is prevented from flowing back to the water collecting tank 5. When the effluent pool 8 and the stoplog gate 19 are overhauled, the self-drainage gate 16 is also closed to prevent water in the water collecting pool 5 from flowing out.
The outlet end of the power forced-exhaust channel 6 and the outlet end of the energy-saving self-exhaust channel 7 are both connected with the inlet of the water outlet pool 8, the top of the water outlet pool 8 is provided with an exhaust valve 20, and the exhaust valve 20 is used for exhausting and supplementing air to the water outlet pool 8 when the pump is started and stopped, so that the adverse effect of a water hammer on the water outlet pool 8 is avoided.
The export of water outlet pool 8 is connected with the entry of dampproofing floodgate well 10 through first play water pipe culvert 9, and the export of dampproofing floodgate well 10 is linked together through second play water pipe culvert 11 and outer river or sea 12 of arranging.
A second duck-bill valve 18 and a stoplog gate well 19 are arranged inside the moisture-proof gate well 10, the second duck-bill valve 18 is arranged at the inlet end of the moisture-proof gate well 10, and the stoplog gate well 19 is arranged at the outlet end of the moisture-proof gate well 10. The second duck-bill valve 18 is made of rubber, has excellent corrosion resistance and can prevent the discharged water from flowing backwards in the river and sea 12. Stoplog gate grooves are embedded in the stoplog gate wells 19, the stoplog gate wells 19 are normally opened, and stoplog gate grooves and pump station cold reserve stoplog flashboards are embedded in the stoplog gate wells 19. When the effluent pool 8, the first duckbill valve 17, the first effluent pipe culvert 9, the moisture-proof lock well 10 or the second duckbill valve 18 need to be maintained, the self-drainage lock gate 16 and the stoplog lock well 19 are closed and then maintenance operation is carried out.
Liquid level sensors are arranged on the urban river channel 1 and the external river and sea 12, and the opening and closing of a water pump 15 of the power forced drainage channel 6 and the opening and closing of a self-drainage channel gate 16 of the energy-saving self-drainage channel 7 are controlled according to numerical values of the liquid level sensors. The control modes of the water pump 15 and the self-drainage channel gate 16 are both manual and automatic.
The working principle of the sea drainage pump station is as follows:
the control water level of the urban river 1 is generally divided into a lowest water level h1, a normal water level h2 and a highest water level h 3; the tide level of the discharged river or sea 12 is influenced by the gravity of the sun and the moon and the rotation of the earth, and shows regular tidal motion, and the fall of high and low tide levels is large; the tide level is divided into a low tide cumulative frequency of 90% H1, an average H2, a high tide cumulative frequency of 10% H3 and a high tide level of 50 years H4.
The sea drainage pump station given by the utility information can scientifically select energy-saving self-drainage or forced external drainage by utilizing the water level difference between the sea drainage pump station and the sea drainage pump station. Specifically, when the liquid level sensor displays that the water level of the urban river 1 is higher than 12 tide levels of the discharged river and sea and the drainage requirement exists, an energy-saving self-discharging operation mode can be selected; when the liquid level sensor displays that the water level of the urban river channel 1 is lower than the 12 tide level of the discharged river sea, if the water discharge requirement exists, the energy-saving self-discharge system is kept closed, and the forced discharge system is started to carry out power forced discharge.
In addition, when the urban river 1 meets special requirements such as dredging and dredging, the liquid level needs to be reduced, the law of tide motion of 12 tide levels of the discharged river and sea can be scientifically utilized, the time point of low tide level is selected, the purpose of drainage is realized by adopting an energy-saving self-drainage mode, and the energy consumption is saved.
In the embodiment, the height difference between the tidal water level of the discharged river and sea 12 and the high tide level H4 after 50 years and the low tide cumulative frequency of 90% of the tide level H1 reaches 5.1 meters.
In addition, before the annual flood season, the urban river 1 management department can select a proper external discharge time point in advance, and the water level of the urban river 1 water body is reduced to the lowest water level in an energy-saving self-discharge mode, so that the rainwater storage capacity of the urban river in the flood season is improved, and the urban drainage safety is ensured.
The power forced drainage system is provided with n groups of power forced drainage channels 6 according to the scale of the sea drainage pump station, and the water body is lifted by power and is forced to be drained to the river sea; when the energy-saving self-drainage channel is operated, the number of the water pumps 15 for opening the power-forced drainage channel 6 can be determined according to the amount of the discharged water, and meanwhile, the self-drainage channel gate 16 in the energy-saving self-drainage channel 7 is closed.
As shown in fig. 2, the power forced-exhaust operation flow is as follows: the urban river channel 1 → the water inlet pipe culvert 2 → the water inlet gate well 3 → the grid well 4 → the water collecting tank 5 → the power forced drainage channel 6 → the water pump 15 → the first duck bill valve 17 → the water outlet tank 8 → the first water outlet pipe culvert 9 → the second duck bill valve 18 → the laminated beam gate well 19 → the second water outlet pipe culvert 11 → the outer river sea 12.
The energy-saving self-draining system utilizes the altitude difference potential energy of the high water level of the urban river channel 1 and the low tide level of the tidal water of the externally-drained river sea 12 to open the self-draining canal gate 16 to drain the water body of the urban river channel 1 to the externally-drained river sea 12, thereby realizing the purpose of energy-saving operation.
As shown in fig. 3, the energy-saving self-draining operation flow is as follows: the urban river channel 1 → the water inlet pipe culvert 2 → the water inlet gate well 3 → the grille well 4 → the water collecting tank 5 → the energy-saving self-draining channel 7 → the self-draining channel gate 16 → the water outlet tank 8 → the first water outlet pipe culvert 9 → the second duck bill valve 18 → the stoplog gate well 19 → the second water outlet pipe culvert 11 → the outer river sea 12.
In the implementation case, the calculated water level of the urban river is higher than the tide level of the outward river by more than 0.5m, and the effect of starting energy-saving operation is optimal.
Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and those skilled in the art can make various changes and modifications within the spirit and scope of the present invention without departing from the spirit and scope of the appended claims.
Claims (10)
1. A sea drainage pump station for realizing energy-saving operation by utilizing tides comprises a water inlet pipe culvert communicated with an urban river channel, and is characterized in that the water inlet pipe culvert is connected with an inlet of a grid well through a water inlet gate, and an outlet of the grid well is connected with an inlet of a water collecting tank;
a power forced drainage channel and an energy-saving self-drainage channel are arranged in the water collecting tank, the power forced drainage channel and the energy-saving self-drainage channel are arranged in parallel, and the inlet ends of the power forced drainage channel and the energy-saving self-drainage channel are communicated with the inlet of the water collecting tank;
the outlet of each power forced drainage channel is provided with a water pump, and a matched water outlet pipeline of the water pump is provided with a first duckbill valve; the outlet of each energy-saving self-drainage channel is provided with a self-drainage channel gate, and the self-drainage channel gate adopts a bidirectional water stop gate;
the exit end of power forced-ventilated channel with the exit end of energy-conserving self-ventilated channel all with the entry linkage in play pond, the export in play pond is contained and is connected with the entry linkage of dampproofing floodgate well through first play water pipe, the export and the outer river sea intercommunication of arranging of dampproofing floodgate well.
2. The sea chest station for realizing energy-saving operation by utilizing tides according to claim 1, wherein a grating is arranged in the grating well.
3. The sea pumping station for realizing energy-saving operation by utilizing tides according to claim 1, wherein the power forced drainage channel is arranged in the center inside the water collecting tank, and the energy-saving self-drainage channels are arranged on two sides of the power forced drainage channel.
4. The sea chest station for realizing energy-saving operation by utilizing tides according to claim 1, wherein the power strong drainage channel and the energy-saving self drainage channel share a water inlet gate and a grating well.
5. The sea pumping station for realizing energy-saving operation by utilizing tides according to claim 1, wherein the top of the water outlet pool is provided with an exhaust valve.
6. The sea pumping station for realizing energy-saving operation by utilizing tides according to claim 1, wherein the outlet of the moisture-proof lock well is communicated with an external river through a second water outlet pipe culvert.
7. The sea pumping station for realizing energy-saving operation by utilizing tides according to claim 1, wherein a second duck-bill valve and a stoplog are arranged inside the moisture-proof lock well, the second duck-bill valve is arranged at the inlet end of the moisture-proof lock well, and the stoplog is arranged at the outlet end of the moisture-proof lock well.
8. The sea chest station for realizing energy-saving operation by utilizing tides according to claim 7, wherein the stop log lock well is embedded with a stop log lock groove.
9. The sea pumping station for realizing energy-saving operation by utilizing tides according to claim 1, characterized in that liquid level sensors are arranged on the urban river and the outward drainage river, and the opening and closing of the water pump and the opening and closing of the self-drainage channel gate can be controlled according to the numerical values of the liquid level sensors.
10. The sea chest station for realizing energy-saving operation by utilizing tides according to claim 1, wherein the water pump and the self-draining canal gate are manually or automatically controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121916396.6U CN215977638U (en) | 2021-08-16 | 2021-08-16 | Sea drainage pump station capable of realizing energy-saving operation by utilizing tide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121916396.6U CN215977638U (en) | 2021-08-16 | 2021-08-16 | Sea drainage pump station capable of realizing energy-saving operation by utilizing tide |
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| Publication Number | Publication Date |
|---|---|
| CN215977638U true CN215977638U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121916396.6U Active CN215977638U (en) | 2021-08-16 | 2021-08-16 | Sea drainage pump station capable of realizing energy-saving operation by utilizing tide |
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| Country | Link |
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| CN (1) | CN215977638U (en) |
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2021
- 2021-08-16 CN CN202121916396.6U patent/CN215977638U/en active Active
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