CN212801756U - Multifunctional forward water inlet curvilinearity forebay of pump station on sediment-laden river - Google Patents

Multifunctional forward water inlet curvilinearity forebay of pump station on sediment-laden river Download PDF

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Publication number
CN212801756U
CN212801756U CN202020208646.XU CN202020208646U CN212801756U CN 212801756 U CN212801756 U CN 212801756U CN 202020208646 U CN202020208646 U CN 202020208646U CN 212801756 U CN212801756 U CN 212801756U
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water inlet
forebay
intake
intaking
pump station
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刘�文
陈炀
吴波
时琳
彭维东
年翠琴
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Ningxia Water Resources And Hydropower Survey Design And Research Institute Co ltd
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Ningxia Water Resources And Hydropower Survey Design And Research Institute Co ltd
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Abstract

The utility model discloses a forward water inlet curved forebay of a pump station on a multifunctional multi-silt river, which comprises a water inlet gate, a water inlet forebay body and a water inlet bay, wherein the rear end of the water inlet gate is provided with a water inlet, the water inlet is connected with the water inlet forebay body, the rear end of the water inlet forebay body is connected with the water inlet bay, the water inlet forebay body is trapezoidal, the water inlet bay is rectangular and has a total length of 60-64 meters, at least one partition pier is arranged in the water inlet forebay body, and the water inlet bay is internally divided into at least two flow passages; the utility model discloses be the broken line to the forebay appearance, the forebay runner optimizes its design for the curvilinearity runner, the appearance profile of forebay accords with the streamline that forms after the rivers diffusion as far as possible, improve technical scheme and locate curve connection with forebay outer wall and hard shoulder intersection angle, make the appearance and the rivers streamline fitting of runner, it produces from the wall to reduce rivers in the pond, phenomenons such as backward flow and swirl, play positive effect with guaranteeing the condition of intaking to reduce the siltation, avoid the breakpoint to exist, the minimize guarantees that rivers are stable, thereby reduce the siltation.

Description

Multifunctional forward water inlet curvilinearity forebay of pump station on sediment-laden river
Technical Field
The utility model relates to a curvilinear forebay, in particular to a curvilinear forebay of positive intake of pump station on multi-functional many silt rivers.
Background
The pump station forebay is a connecting section of the water inlet gate and the water inlet pool, and has the function of enabling water flow in the water diversion channel to uniformly and smoothly diffuse to the water inlet pool and ensuring that water is uniformly and directly supplied to a water inlet hole opening of each unit of the pump station. When the forebay or intake basin is not properly designed, wall separation, back flow and eddies can occur in the basin, which not only increases energy consumption but also worsens water flow conditions. The bad flow state in the preceding pond will arouse the interior silt siltation of pond, and long-term silt siltation not only can directly influence the flow state and the water pump normal work of intake chamber, still can arouse pump unit efficiency to reduce. The forebay generally adopts the forward water inflow, the forebay of the forward water inflow should be less than 40 degrees, the forebay appearance of intaking generally is the broken line, should be in the broken line point such as the department that meets with the intake pool at the angle of diffusion and easily form the siltation section, and rivers are in order to form the turbulent flow.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned problem, provided a curved forebay of pump station forward intaking on multi-functional many silt rivers. The utility model adopts the technical proposal that: the utility model provides a curved forebay of positive intaking of pump station on multi-functional many silt rivers, includes into floodgate, the forebay body of intaking and intake chamber, it is equipped with the water inlet to intake floodgate rear end, the water inlet is connected the forebay body of intaking, the forebay body rear end of intaking is connected the intake chamber, trapezoidal forebay body of intaking is trapezoidal, the intake chamber is the rectangle overall length and is 60 meters to 64 meters, this internal at least one partition mound that is equipped with of forebay of intaking, divide into two at least runners in the intake chamber.
Furthermore, the trapezoidal water inlet forebay body is trapezoidal and the inclination angle with the ground is 32 degrees to 34 degrees.
Furthermore, the total length of the water inlet pool is 62-64 meters.
Further, the inclination angle of the partition piers to the ground is 16-18 degrees.
Furthermore, the water inlet pool is internally divided into at least three flow channels.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses be the broken line to the forebay appearance, the forebay runner optimizes its design for the curvilinearity runner, the appearance profile of forebay accords with the streamline that forms after the rivers diffusion as far as possible, improve technical scheme and locate curve connection with forebay outer wall and hard shoulder intersection angle, make the appearance and the rivers streamline fitting of runner, it produces from the wall to reduce rivers in the pond, phenomenons such as backward flow and swirl, play positive effect with guaranteeing the condition of intaking to reduce the siltation, avoid the breakpoint to exist, the minimize guarantees that rivers are stable, thereby reduce the siltation.
2. The utility model relates to a curved forebay of pump station forward intaking on multi-functional many silt rivers, the design is simple, low in manufacturing cost and convenient and fast, has also practiced thrift the cost simultaneously.
Drawings
In order to more clearly explain the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without making any inventive changes.
Fig. 1 is a schematic view of the present invention.
The corresponding device and equipment names are marked in the attached drawings:
in the figure, 1-a water inlet gate, 2-a water inlet forebay body, 3-a water inlet bay, 4-a water inlet, 5-a separation pier and 6-a flow passage.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings.
Fig. 1 is the utility model discloses the schematic diagram, as shown in fig. 1, the utility model discloses, a pump station forward curved forebay of intaking on multi-functional many silt river, including intake brake 1, intake forebay body 2 and intake chamber 3, intake brake 1 rear end is equipped with water inlet 4, and intake forebay body 2 is connected to water inlet 4, and intake chamber 3 is connected to intake forebay body 2 rear end, and intake forebay body 2 is trapezoidal, and intake chamber 3 is the rectangle total length and is 60 meters-64 meters, is equipped with at least one partition mound 5 in the intake forebay body 2, is two at least runners 6 in the intake chamber 3.
Specifically, the runner 6 is composed of a gate hole and two units, one gate hole corresponds to the two units and is a runner 6, each runner 6 corresponds to two water inlet pipes, and a flow distribution pier is arranged at the middle position of each runner 6 corresponding to the two water inlet pipes.
Specifically, the inlet forebay body 2 is trapezoidal and has an inclination angle with the ground of 32 to 34 degrees.
Specifically, the water inlet tank 3 is rectangular and has a total length of 62 to 64 meters.
Specifically, the inclination angle of the dividing pier 5 and the ground is 16-18 degrees.
The utility model discloses a theory of operation: water enters into the fore bay body 2 of intaking from intake lock 1 through trapezoidal water inlet 4, be equipped with at least one hard shoulder 5 in the fore bay body 2 of intaking, water needs to pass through a plurality of hard shoulders 5 before entering intake pool 3, hard shoulder 5 can play the effect of buffering to the water of coming in, the gravity between the fore bay body 2 of intaking and the intake pool 3 has been accepted to hard shoulder 5 simultaneously, divide into two at least runners 6 in the intake pool 3, runner 6 comprises gate hole and two units, a hole gate hole corresponds two units and is a runner 6, every runner 6 corresponds two inlet tubes, every runner 6 sets up the reposition of redundant personnel mound at two inlet tube intermediate positions that correspond, divide into a plurality of micromodules with the moisture in the intake pool 3 like this. The water inlet forebay body 2 is trapezoidal and has an inclination angle with the ground ranging from 32 degrees to 34 degrees, and the inclination angle facilitates water outflow. The water inlet tank 3 is rectangular and has a total length of 62-64 m. At least one partition pier 5 is arranged in the water inlet forebay body 2, the inclination angle of the partition pier 5 and the ground is 16-18 degrees, the inclination angle facilitates water to flow out, and the partition pier 5 bears the gravity of the side wall of the water inlet forebay body 2, so that the water inlet forebay body 2 is more stable. The utility model discloses be the broken line to the forebay appearance, forebay runner 6 optimizes its design for curvilinearity runner 6, the appearance profile of forebay accords with the streamline that forms after the rivers diffusion as far as possible, improve technical scheme and locate curve connection with forebay outer wall and hard shoulder 5 intersect, make the appearance and the stream line fitting of runner 6, it produces from the wall to reduce rivers in the pond, phenomenons such as backward flow and swirl, play positive effect with the condition of guaranteeing to intake to reduce the siltation, avoid the breakpoint to exist, minimize and guarantee that rivers are stable, thereby reduce the siltation.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice in the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The above-described embodiments of the present application do not limit the scope of the present application.

Claims (5)

1. The utility model provides a curved forebay of pump station forward intaking on multi-functional many silt rivers, includes into floodgate (1), the forebay body of intaking (2) and intake chamber (3), its characterized in that, it is equipped with water inlet (4) to intake floodgate (1) rear end, water inlet (4) are connected forebay body of intaking (2), the forebay body of intaking (2) rear end is connected intake chamber (3), forebay body of intaking (2) are trapezoidal, intake chamber (3) are 60 meters to 64 meters for the total length of rectangle, be equipped with at least one partition mound (5) in the forebay body of intaking (2), be two at least runners (6) in intake chamber (3).
2. The curved forward water intake forebay of the multi-functional sediment-laden river pump station according to claim 1, wherein the intake forebay body (2) is trapezoidal and has an inclination angle with the ground of 32 to 34 degrees.
3. The curved forward water intake forebay of the multi-functional sediment-laden river pump station according to claim 1, wherein the intake bay (3) is rectangular and has a total length of 62 to 64 meters.
4. The forward water inlet curved forebay of the multi-functional sediment-laden river pump station according to claim 1, wherein the inclination angle of the dividing pier (5) to the ground is 16 to 18 degrees.
5. The forward water inlet curved forebay of the multi-functional sediment-laden river pump station according to claim 1, wherein the interior of the water inlet bay (3) is divided into at least three flow channels (6).
CN202020208646.XU 2020-02-25 2020-02-25 Multifunctional forward water inlet curvilinearity forebay of pump station on sediment-laden river Active CN212801756U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020208646.XU CN212801756U (en) 2020-02-25 2020-02-25 Multifunctional forward water inlet curvilinearity forebay of pump station on sediment-laden river

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020208646.XU CN212801756U (en) 2020-02-25 2020-02-25 Multifunctional forward water inlet curvilinearity forebay of pump station on sediment-laden river

Publications (1)

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CN212801756U true CN212801756U (en) 2021-03-26

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