CN214614338U - Construction structure of riverbed water taking pit below floating dock pump station - Google Patents
Construction structure of riverbed water taking pit below floating dock pump station Download PDFInfo
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- CN214614338U CN214614338U CN202120405472.0U CN202120405472U CN214614338U CN 214614338 U CN214614338 U CN 214614338U CN 202120405472 U CN202120405472 U CN 202120405472U CN 214614338 U CN214614338 U CN 214614338U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model discloses a riverbed water taking pit construction structure below a floating dock pump station, which comprises a floating dock pump station, wherein a high-pressure water tank is arranged on the bottom surface of the floating dock pump station at the periphery of a water taking port, and a water pumping hole is arranged in the middle of the high-pressure water tank; a plurality of high-pressure nozzles are arranged downwards on the high-pressure water tank, and ultrasonic distance sensors are respectively arranged at three high-pressure nozzles; the high-pressure water tank is connected with a variable-frequency high-pressure pump, the variable-frequency high-pressure pump is connected with an electric control device, a pressure sensor is arranged in the high-pressure water tank, and the electric control device is connected with a display screen; the utility model discloses it is especially suitable to need remove the occasion that floats depressed place pump station, change water intaking place. After the floating dock pump station moves to a new position, a construction device does not need to be additionally erected, and the water taking pit can be directly constructed through the electric control device. The vertical baffle and the horizontal folded plate separate the area where the filter screen box is located from the water jet operation area, and the filtering pressure of the variable-frequency high-pressure pump during water absorption is relieved.
Description
Technical Field
The utility model relates to a hydraulic engineering technical field especially relates to the relevant technique of floating dock pump station.
Background
The floating dock pump station is used in reservoir, river, lake and other places, floats in water, pumps out water and sends the water to shore through a rocker arm water pipe. When the floating dock pump station fetches water, it is required to ensure that the water fetching height below the floating dock pump station is enough.
Some riverways have low water levels or seasonal water level changes greatly, so that hidden troubles of insufficient water taking elevation can be caused. The riverbed is flat and easy to deposit silt, so that the riverbed gradually rises. In order to avoid the shortage of the water taking elevation of the floating dock pump station when the water level is lowered or the river bed is raised, the inventor thinks of constructing a water taking pit for ensuring the water taking elevation on the river bed right below the floating dock pump station, but the inventor has difficulty in implementing the thought.
The inventor firstly thinks of two ways of constructing a water taking pit on a riverbed, namely water jet construction and cofferdam construction.
Through tests, the water taking pit for water jet construction has the following difficulties: when the efflux acted on, washed up submarine silt, and ultrasonic distance sensor is difficult to effective range finding to it is difficult to effectively hold and washes the hole degree of depth. If the flushing pit is too deep, the energy consumption is high, and the floating dock pump station is unsafe when falling into the water taking pit when the water level is low; if the flushing pit is too shallow, the sufficient water taking elevation cannot be ensured when the water level of the river channel is low, so that the floating dock pump station cannot normally run.
The cofferdam construction under water has the following problems: the cofferdam construction, especially in the flowing water in the river course, is difficult per se, has higher cost and pollutes the water body.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a water pit construction structure is got to riverbed of floating dock pump station below is under construction through the water jet to can accurately grasp towards the hole degree of depth.
In order to realize the purpose, the utility model discloses a riverbed water taking pit construction structure below a floating dock pump station comprises the floating dock pump station, a water taking pump is arranged in the floating dock pump station, a water taking port is arranged at the tail end of a water inlet pipe of the water taking pump, and the water taking port is arranged downwards and extends into water;
a flat high-pressure water tank is arranged on the bottom surface of the floating dock pump station at the periphery of the water intake, a water pumping hole for pumping river water by the water intake pump is arranged in the middle of the high-pressure water tank, and the water intake is communicated with the river water below through the water pumping hole;
a plurality of high-pressure nozzles are arranged downwards on the high-pressure water tank, ultrasonic distance sensors are respectively arranged at three high-pressure nozzles, and a water pumping hole is positioned at the center of an area surrounded by the three ultrasonic distance sensors;
the high-pressure water tank is connected with a variable-frequency high-pressure pump, and a water inlet pipe of the variable-frequency high-pressure pump is connected with a water source; the variable-frequency high-pressure pump is connected with an electric control device, a pressure sensor is arranged in the high-pressure water tank, the electric control device is connected with the pressure sensor and each ultrasonic distance sensor, and the electric control device is connected with a display screen;
the electronic control device is internally stored with mapping relation data of the water pressure of the surface position of the river bed and the maximum pit depth, mapping relation data of the operating frequency of the variable-frequency high-pressure pump and the water pressure in the high-pressure water tank, and attenuation data of the injection pressure of the high-pressure nozzle in water.
A plurality of high-pressure nozzles are uniformly arranged on the circumference of the water pumping hole.
The water source is river water; the water inlet pipe of the variable-frequency high-pressure pump is connected with a filter net box, and the filter net box comprises a frame and a filter net wound on the frame.
Vertical baffle plates are arranged between the filter net cage and the high-pressure water tank, the vertical baffle plates are connected to the floating dock pump station through bolts or clamped on the floating dock pump station, and horizontal folded plates are arranged at the bottom ends of the vertical baffle plates.
The utility model discloses have following advantage:
adopt the utility model discloses a floating dock pump station below riverbed water intaking hole construction structures, the construction of very being convenient for is got the water pit, and is particularly suitable for to the occasion that needs remove the floating dock pump station, change water intaking place. After the floating dock pump station moves to a new position, a construction device does not need to be additionally erected, and the water taking pit can be directly constructed through the electric control device.
High pressure nozzle spun rivers are the clear water that does not contain submarine silt, the utility model discloses a set up ultrasonic distance sensor in high pressure nozzle department, measure submarine distance through jet stream, avoided the interference of aquatic silt to can accurately hold and wash the hole depth, solve the difficult problem that the water jet construction got the pit, avoid carrying out the higher also higher cofferdam construction of the higher cost of the degree of difficulty, the silt that washes during the construction can precipitate into the riverbed once more, compare with the cofferdam construction and do not have the pollution to the water.
The water pumping hole is located in the center of the area surrounded by the three ultrasonic distance sensors, and measured pit punching depth data are more accurate by a method of simultaneously measuring by the ultrasonic distance sensors. The water pumping hole is located in the center of the area surrounded by the three ultrasonic distance sensors, so that the detected hole depth can more accurately reflect the punching depth right below the water pumping hole.
The utility model discloses not only be suitable for first construction and get the sump, still be convenient for very much use a period, get the sump and wash the pit once more because of the siltation becomes shallow after in order to maintain the sump degree of depth at the floating dock pump station, more convenient in need change the use occasion of getting the water spot often, the efficiency of construction is high, construction cost is lower, need not erect construction equipment temporarily, pollution-free to the environment.
The plurality of high-pressure nozzles are uniformly arranged on the periphery of the water pumping hole, and the punching depth of a river bed right below the water pumping hole can be ensured under the condition that no high-pressure nozzle is arranged in the water pumping hole area.
The filter net cage not only ensures the normal work of the variable frequency high pressure pump, but also effectively prevents sundries from entering the variable frequency high pressure pump.
The vertical baffle and the horizontal folded plate separate the area where the filter screen box is located from the water jet operation area, so that the influence of turbid water excited during the water jet operation on the variable-frequency high-pressure pump is reduced, and the filtering pressure during water absorption of the variable-frequency high-pressure pump is relieved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a bottom view of the high pressure tank with a circular horizontal cross-section;
FIG. 3 is a bottom view of the high pressure tank with a square horizontal cross-section;
FIG. 4 is a schematic structural view of a filter cage;
fig. 5 is an electric control schematic diagram of the present invention.
Detailed Description
As shown in fig. 1 to 5, the construction structure of the riverbed water taking pit below the floating dock pump station of the present invention comprises a floating dock pump station 1, a water taking pump 2 is arranged in the floating dock pump station 1, a water taking port 3 is arranged at the end of a water inlet pipe of the water taking pump 2, and the water taking port 3 is arranged downwards and extends into water;
a flat high-pressure water tank 4 is arranged on the bottom surface of the floating dock pump station 1 at the periphery of the water intake 3, a water pumping hole 5 for pumping river water by the water intake pump 2 is arranged in the middle of the high-pressure water tank 4, and the water intake 3 is communicated with the river water below through the water pumping hole 5;
the high-pressure water tank 4 is uniformly provided with a plurality of high-pressure nozzles 6 downwards, wherein three high-pressure nozzles 6 are respectively provided with an ultrasonic distance sensor 7, and the water pumping hole 5 is positioned at the center of an area surrounded by the three ultrasonic distance sensors 7, so that the detected hole depth can more accurately reflect the punching depth right below the water pumping hole 5.
The high-pressure water tank 4 is connected with a variable-frequency high-pressure pump 8, and a water inlet pipe 9 of the variable-frequency high-pressure pump 8 is connected with a water source (such as water stored in a water storage tank or river water); the variable-frequency high-pressure pump 8 is connected with an electric control device 10, a pressure sensor 11 is arranged in the high-pressure water tank 4, the electric control device 10 is connected with the pressure sensor 11 and each ultrasonic distance sensor 7, and the electric control device 10 is connected with a display screen 12; the variable-frequency high-pressure pump 8 and the electric control device 10 are both arranged in the floating dock pump station 1. The electric control device 10 is a single chip microcomputer, a PLC or an industrial control computer.
6 spun rivers of high pressure nozzle are the clear water that does not contain submarine silt, the utility model discloses a set up ultrasonic distance sensor 7 in 6 departments of high pressure nozzle, measure submarine distance through jet stream, avoided the interference of aquatic silt to can accurately hold and dash the hole depth, solve the water jet construction and get the difficult problem in pit, avoid carrying out the higher also higher cofferdam construction of the higher cost of the degree of difficulty, the silt that dashes during the construction can precipitate into the riverbed once more, compare with the cofferdam construction and do not have the pollution to the water.
A plurality of high-pressure nozzles 6 are uniformly arranged on the circumference of the water pumping holes 5. The plurality of high-pressure nozzles 6 are uniformly arranged on the periphery of the water pumping hole 5, and the punching depth of the river bed right below the water pumping hole 5 can be ensured under the condition that no high-pressure nozzle 6 is arranged in the area of the water pumping hole 5.
The water source is river water (local materials are used, a water tank is not required to be prepared in advance, and water is injected into the water tank); the water inlet pipe of the variable frequency high pressure pump 8 is connected with a filter screen box 13, and the filter screen box 13 comprises a frame 14 and a filter screen 15 surrounding the frame 14.
The filter box 13 ensures the normal operation of the variable frequency high pressure pump 8 and effectively prevents sundries from entering the variable frequency high pressure pump 8.
A vertical baffle 16 is arranged between the filter net cage 13 and the high-pressure water tank 4, the vertical baffle 16 is connected to the floating dock pump station 1 through a bolt or is clamped on the floating dock pump station 1, and a horizontal folded plate 17 is arranged at the bottom end of the vertical baffle 16.
The vertical baffle 16 and the horizontal flap 17 separate the area where the filter screen box 13 is located from the water jet operation area, so that the turbid water excited during the water jet operation is reduced, and the filtering pressure is increased when the variable-frequency high-pressure pump 8 absorbs water.
The utility model also discloses a construction method of using above-mentioned floating dock pump station below riverbed water intaking hole construction structures carries out according to following step:
moving the floating dock pump station 1 to a preset river channel, measuring the distance between a river bed and the high-pressure spray head 6 by the ultrasonic distance sensor 7, and displaying the distance information on the display screen 12 by the electric control device; the working personnel start the variable frequency high pressure pump 8 through the electric control device 10 according to the distance information and the preset pit punching depth; controlling the operating frequency of the variable frequency high pressure pump 8 enables control of the injection pressure and thus matching of the pit depth to a predetermined depth. The staff passes through each item data of display screen 12 monitoring, when actual depth of dashing the hole reaches the design depth, closes frequency conversion high-pressure pump, accomplishes the construction of water intaking hole.
The above embodiments are only used for illustrating but not limiting the technical solutions of the present invention, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.
Claims (4)
1. A riverbed water taking pit construction structure below a floating dock pump station comprises the floating dock pump station, wherein a water taking pump is arranged in the floating dock pump station, a water taking port is arranged at the tail end of a water inlet pipe of the water taking pump, and the water taking port is arranged downwards and extends into water;
the method is characterized in that: a flat high-pressure water tank is arranged on the bottom surface of the floating dock pump station at the periphery of the water intake, a water pumping hole for pumping river water by the water intake pump is arranged in the middle of the high-pressure water tank, and the water intake is communicated with the river water below through the water pumping hole;
a plurality of high-pressure nozzles are arranged downwards on the high-pressure water tank, ultrasonic distance sensors are respectively arranged at three high-pressure nozzles, and a water pumping hole is positioned at the center of an area surrounded by the three ultrasonic distance sensors;
the high-pressure water tank is connected with a variable-frequency high-pressure pump, and a water inlet pipe of the variable-frequency high-pressure pump is connected with a water source; the frequency conversion high-pressure pump is connected with an electric control device, a pressure sensor is arranged in the high-pressure water tank, the electric control device is connected with the pressure sensor and each ultrasonic distance sensor, and the electric control device is connected with a display screen.
2. The riverbed water taking pit construction structure below the floating dock pump station according to claim 1, is characterized in that: a plurality of high-pressure nozzles are uniformly arranged on the circumference of the water pumping hole.
3. The riverbed water taking pit construction structure below the floating dock pump station according to claim 2, is characterized in that: the water source is river water; the water inlet pipe of the variable-frequency high-pressure pump is connected with a filter net box, and the filter net box comprises a frame and a filter net wound on the frame.
4. The riverbed water taking pit construction structure below the floating dock pump station according to claim 3, is characterized in that: vertical baffle plates are arranged between the filter net cage and the high-pressure water tank, the vertical baffle plates are connected to the floating dock pump station through bolts or clamped on the floating dock pump station, and horizontal folded plates are arranged at the bottom ends of the vertical baffle plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120405472.0U CN214614338U (en) | 2021-02-24 | 2021-02-24 | Construction structure of riverbed water taking pit below floating dock pump station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120405472.0U CN214614338U (en) | 2021-02-24 | 2021-02-24 | Construction structure of riverbed water taking pit below floating dock pump station |
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| CN214614338U true CN214614338U (en) | 2021-11-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114561992A (en) * | 2022-03-31 | 2022-05-31 | 中电建十一局工程有限公司 | Water taking method for camp in mountainous area |
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2021
- 2021-02-24 CN CN202120405472.0U patent/CN214614338U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114561992A (en) * | 2022-03-31 | 2022-05-31 | 中电建十一局工程有限公司 | Water taking method for camp in mountainous area |
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