CN219231520U

CN219231520U - Soil and water conservation sand basin

Info

Publication number: CN219231520U
Application number: CN202320250006.9U
Authority: CN
Inventors: 王鹏亮; 杨昌强; 秦晶; 吴桂勇
Original assignee: Beijing Haice Engineering Consulting Co ltd
Current assignee: Beijing Haice Engineering Consulting Co ltd
Priority date: 2023-02-18
Filing date: 2023-02-18
Publication date: 2023-06-23
Anticipated expiration: 2033-02-18

Abstract

The utility model relates to a soil and water conservation's field especially relates to a soil and water conservation sand basin, and it includes the cell body, in cell body length direction's the both ends, wherein one end is provided with the water inlet, and the other end is provided with the delivery port, the height of delivery port is less than the height of water inlet, the inside of cell body is provided with a plurality of partition walls, the inside of cell body is passed through the partition wall divide into a plurality of sedimentation tanks, adjacent two the top of sedimentation tank is linked together, a plurality of sedimentation tanks are followed the water inlet is to the direction arrangement of delivery port, every all be provided with clearance system in the sedimentation tank. The sand setting device has the effects of increasing the detention time of water flow sediment in the sand setting tank, increasing the settling times and improving the sand setting effect.

Description

Soil and water conservation sand basin

Technical Field

The application relates to the field of soil and water conservation, in particular to a soil and water conservation sand basin.

Background

When water is taken from a sediment-laden river, although sand prevention measures are taken at a water intake, the sand content and the grain size of the water cannot completely meet the requirement of water. River water often carries a large amount of silt to get into the river course, and then causes soil erosion, causes the destruction to the environment and causes extra burden to the aquatic favourable equipment downstream, consequently need to carry out manual intervention to this kind of phenomenon, this just needs to use the soil and water to keep the sand basin, in time stops the silt that river water carried down.

The sand sedimentation tank is mainly an engineering measure for separating sediment from water by utilizing the action of gravity. After the water flow enters the sand sedimentation tank, the flow velocity is obviously reduced due to the sudden expansion of the water flow section, the sand carrying force of the water flow is greatly reduced, so that the original water flow and sand movement state is changed, the characteristics of large water depth, small flow velocity, small sand carrying force, relatively large inlet sand content and sand carrying water flow in the super-saturated running state are formed, sediment particles are settled at the bottom of the sand sedimentation tank, most of the sand sedimentation tanks are single-chamber sand sedimentation tanks, sand flushing bottom holes are formed at the tail end of the tanks, and sediment settled in the tanks is flushed when water supply is stopped.

With respect to the related art described above, the inventors considered that the single-chamber sand basin has a large size, a short residence time in the basin, a small number of times of sedimentation, and a poor sand sedimentation effect.

Disclosure of Invention

In order to increase the detention time of water flow sediment in the grit chamber, increase the sedimentation frequency, improve the sand setting effect, the application provides a soil and water conservation grit chamber.

The application provides a water and soil conservation sand basin adopts following technical scheme:

the utility model provides a soil and water conservation sand sedimentation tank, includes the cell body, among the cell body length direction's the both ends, one of them end is provided with the water inlet, and the other end is provided with the delivery port, the height of delivery port is less than the height of water inlet, the inside of cell body is provided with a plurality of partition walls, the inside of cell body is passed through the partition wall is divided into a plurality of sedimentation tanks, adjacent two the top of sedimentation tank is linked together, and a plurality of sedimentation tanks are followed the water inlet is arranged to the direction of delivery port, every all be provided with the clearance subassembly in the sedimentation tank.

Through adopting above-mentioned technical scheme, divide into a plurality of sedimentation tanks with the cell body through a plurality of partition walls for rivers with silt can carry out a plurality of precipitations through a plurality of sedimentation tanks, make the water can subside silt gradually in a plurality of sedimentation tanks, increase the detention time of rivers silt in the grit chamber, increase the sedimentation frequency, improve the sand setting effect.

Optionally, the heights of the plurality of partition walls are sequentially reduced from the water inlet to the water outlet.

Through adopting above-mentioned technical scheme, the height of division wall reduces gradually for the potential energy of rivers flow reduces gradually in a plurality of grit chambers, thereby reaches the effect that slows down the rivers velocity of flow, and the height of division wall reduces gradually, makes the water in the preceding grit chamber can not flow back to last grit chamber, reduces the circumstances of the secondary pollution of the water that has subsided.

Optionally, in the sedimentation tank, the bottom of the partition wall with higher height is provided with a fixed flow guiding part, the flow guiding part is arc-shaped, and the concave surface of the flow guiding part faces the inside of the sedimentation tank.

Through adopting above-mentioned technical scheme, at the in-process that rivers follow the division wall downwardly flowing, when rivers contact guide part, curved guide part guide rivers flow gradually along the arcwall face to reduce the impact of rivers to the sedimentation tank bottom, thereby increase turbulent effect.

Optionally, a filter screen is disposed on the top end surface of the partition wall, one end of the filter screen is connected with the partition wall, and the other end of the filter screen extends obliquely upwards in the direction of the partition wall with higher height.

Through adopting above-mentioned technical scheme, can filter the great silt of granule to a certain extent through the filter screen to reduce the progress and reach the silt content in the next sedimentation tank, thereby improve drainage efficiency.

Optionally, a baffle plate opposite to the partition wall is disposed at one end of the filter screen facing away from the partition wall.

Through adopting above-mentioned technical scheme, when the top of water flow partition wall, rivers and baffle contact to reduce the separation between rivers and the partition wall, make rivers and partition wall laminate more, improve the rivers turbulent effect.

Optionally, the clearance subassembly includes a plurality of shower nozzles that are used for washing the sedimentation tank and is used for supporting the pipeline of shower nozzle, the shower nozzle is located the inside of sedimentation tank, the shower nozzle passes through the pipeline links to each other with the water source, be provided with the pump body that is used for providing power on the pipeline, the cell body deviates from one side of shower nozzle is provided with the drain.

Through adopting above-mentioned technical scheme, wash in to the sedimentation tank through the shower nozzle to make sedimentation tank bottom sedimentation's silt clear up through washing, thereby reduce sedimentation tank bottom sediment volume, be convenient for maintain the sedimentation tank.

Optionally, a drain runner is arranged on one side of the tank body provided with the drain outlet.

Through adopting above-mentioned technical scheme, can play the effect of water conservancy diversion to the precipitate after the scour through the blowdown runner for the precipitate after the scour can be concentrated together, thereby be convenient for collect and unify handle.

Optionally, a drain gate for opening or closing the drain outlet is arranged on the drain outlet.

By adopting the technical scheme, the sewage outlet can be opened or closed at any time through the sewage gate, so that the condition that the sand setting tank leaks outside is reduced, and the water consumption is saved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the tank body is divided into a plurality of sedimentation tanks through a plurality of partition walls, so that water flow with sediment can be subjected to repeated sedimentation through the plurality of sedimentation tanks, the sediment can be gradually settled in the plurality of sedimentation tanks by the water body, the detention time of the sediment of the water flow in the sand setting tank is increased, the sedimentation times are increased, and the sand setting effect is improved;

2. the height of the partition wall is gradually reduced, so that potential energy of water flow in the multiple sand setting tanks is gradually reduced, the effect of reducing the flow speed of the water flow is achieved, the height of the partition wall is gradually reduced, water in the previous sand setting tank cannot flow back to the previous sand setting tank, and the secondary pollution of the settled water is reduced;

3. in the process that the water flow downwards flows along the separation wall, when the water flow contacts the diversion part, the arc diversion part guides the water flow to gradually flow along the arc surface, so that the impact of the water flow on the bottom of the sedimentation tank is reduced, and the effect of turbulent flow is increased.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a soil and water conservation sand basin according to the present application.

FIG. 2 is a cross-sectional view of a sand basin in an embodiment of the present application.

FIG. 3 is a top view of the sand basin in an embodiment of the present application.

Reference numerals illustrate: 1. a cell body; 11. a water inlet; 12. a water outlet; 13. a sedimentation tank; 2. a partition wall; 21. a flow guiding part; 22. a filter screen; 23. a baffle; 3. cleaning the assembly; 31. a spray head; 32. a pipe; 33. a pump body; 34. a sewage outlet; 35. a blow-down gate; 4. and (5) a sewage disposal flow channel.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a water and soil conservation sand basin. Referring to fig. 1, the soil and water conservation sand sedimentation tank comprises a tank body 1 with a hollow inside, wherein a water inlet 11 is formed in one of two ends of the tank body 1 in the length direction, a water outlet 12 is formed in the other end of the tank body, and the height of the water outlet 12 is lower than that of the water inlet 11. The inside of the tank body 1 is fixedly connected with a plurality of partition walls 2, and the plate surfaces of the partition walls 2 are opposite to the water inlet 11. The plurality of partition walls 2 are distributed along the length direction of the tank body 1, so that the interior of the tank body 1 is divided into a plurality of sedimentation tanks 13 along the direction from the water inlet 11 to the water outlet 12, and the top ends of the sedimentation tanks 13 are mutually communicated. The height of the plurality of partition walls 2 is sequentially reduced from the water inlet 11 to the water outlet 12, and after the previous sedimentation tank 13 is filled with water, water flows into the next sedimentation tank 13 through the partition walls 2 with lower height, thereby carrying out multistage sedimentation. Each sedimentation tank 13 is fixedly provided with a cleaning assembly 3, and sediment at the bottom of each sedimentation tank 13 is cleaned by the cleaning assembly 3.

Referring to fig. 2, a flow guiding part 21 is fixedly connected to the bottom of each partition wall 2, and the flow guiding part 21 is fixedly connected to the bottom of the partition wall 2 having a higher height in the sedimentation tank 13. The cross section of the flow guiding part 21 is arc-shaped, the inner concave surface of the flow guiding part 21 is opposite to the sedimentation tank 13, and the length direction of the flow guiding part 21 is arranged along the width direction of the tank body 1. One end of the arc-shaped end of the flow guiding part 21 is fixedly connected with the side wall of the separation wall 2, and the other end of the arc-shaped end of the flow guiding part 21 is fixedly connected with the bottom of the sedimentation tank 13. When the water flows to the top end of the partition wall 2 and flows to the next sedimentation tank 13, the water flows downwards along the partition wall 2 to the diversion part 21, and the water flows through the arc-shaped surface of the diversion part 21, so that the impact of the water flow to the bottom of the sedimentation tank 13 is reduced.

Referring to fig. 1 and 2, a screen 22 is fixedly connected to the top end surface of the partition wall 2, and the screen 22 is disposed along the edge direction of the partition wall 2. One end of the filter screen 22 is fixedly connected with the top end of the partition wall 2, and the other end of the filter screen 22 extends obliquely upwards in the direction of the partition wall 2 with higher height in the sedimentation tank 13. When the water flows through the filter screen 22, the impurities with larger particles in the water are filtered by the filter screen 22 and remain in the sedimentation tank 13, so that the content of the particles in the water is reduced. A certain distance is reserved between the filter screen 22 and the sedimentation tank 13 with higher height in the sedimentation tank 13, so that water in the previous sedimentation tank 13 can normally flow into the next sedimentation tank 13.

The end face of the filter screen 22, which faces the partition wall 2 with higher height in the sedimentation tank 13, is fixedly connected with a baffle plate 23 which is vertically arranged, and the plate surface of the baffle plate 23 is opposite to the partition wall 2. When the water flow flows into the next sedimentation tank 13, the water flow hits the baffle plate 23, so that the water flow can flow down the space between the partition wall 2 and the baffle plate 23, so that the water flow during the flow process is more fitted to the partition wall 2.

Referring to fig. 1 and 3, the cleaning assembly 3 includes a plurality of spray heads 31 disposed opposite the bottom of the settling tank 13 and a pipe 32 for supporting the plurality of spray heads 31. The pipeline 32 is fixedly connected to the inner side of the side wall of the sedimentation tank 13 and is communicated with an external water supply system, and the plurality of spray heads 31 are fixedly connected with the pipeline 32 and are communicated with the pipeline 32. The pump body 33 for supplying power is fixedly arranged on the pipeline 32, and water can be sprayed into the sedimentation tank 13 through the spray head 31 by the pump body 33 and sediment at the bottom of the sedimentation tank 13 is washed.

Referring to fig. 1 and 3, a drain outlet 34 is formed in a side wall of the sedimentation tank 13 opposite to the spray head 31, a drain flow channel 4 is fixedly connected to the outside of the tank body 1, the interior of the sedimentation tank 13 is communicated with the drain flow channel 4 through the drain outlet 34, and sediment flowing out of the sedimentation tank 13 flows in through the drain outlet 34. The drain outlet 34 is fixedly provided with a drain gate 35, and the drain outlet 34 is communicated with or closed off the drain runner 4 through the drain gate 35.

The implementation principle of the water and soil conservation sand sedimentation tank provided by the embodiment of the application is as follows: in the process of water sedimentation, water enters the sedimentation tank 13 through the water inlet 11, the flow speed is reduced through the guide plate at the bottom, so that large-particle sand and stones are settled at the bottom of the sedimentation tank 13, after water in the sedimentation tank 13 is collected, the water in the sedimentation tank 13 flows into the sedimentation tank 13 at the next stage through the top end of the partition wall 2, secondary sedimentation and multistage sedimentation are performed, and finally the water flows into the sewage drainage flow channel 4 from the sewage drain 34 and is uniformly collected and treated.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a soil and water conservation sand sedimentation tank, includes cell body (1), in the both ends of cell body (1) length direction, one of them one end is provided with water inlet (11), and the other end is provided with delivery port (12), the height of delivery port (12) is less than the height of water inlet (11), its characterized in that: the inside of cell body (1) is provided with a plurality of partition walls (2), the inside of cell body (1) is passed through partition wall (2) divide into a plurality of sedimentation tanks (13), and two adjacent the top of sedimentation tank (13) is linked together, and a plurality of sedimentation tanks (13) are followed water inlet (11) are arranged to the direction of delivery port (12), every all be provided with clearance subassembly (3) in sedimentation tank (13).

2. A soil and water conservation sand basin according to claim 1 wherein: the heights of the plurality of partition walls (2) are sequentially reduced from the water inlet (11) to the water outlet (12).

3. A soil and water conservation sand basin according to claim 2 wherein: in the sedimentation tank (13), the bottom of the partition wall (2) with higher height is provided with a fixed flow guiding part (21), the flow guiding part (21) is arc-shaped, and the concave surface of the flow guiding part (21) faces the inside of the sedimentation tank (13).

4. A soil and water conservation sand basin according to claim 3 wherein: the top end face of the partition wall (2) is provided with a filter screen (22), one end of the filter screen (22) is connected with the partition wall (2), and the other end of the filter screen (22) extends obliquely upwards towards the direction of the partition wall (2) with higher height.

5. A soil and water conservation sand basin according to claim 4 wherein: one end of the filter screen (22) which is away from the separation wall (2) is provided with a baffle (23) which is arranged opposite to the separation wall (2).

6. A soil and water conservation sand basin according to claim 1 wherein: the cleaning assembly (3) comprises a plurality of spray heads (31) for flushing the sedimentation tank (13) and pipelines (32) for supporting the spray heads (31), the spray heads (31) are located inside the sedimentation tank (13), the spray heads (31) are connected with a water source through the pipelines (32), pump bodies (33) for providing power are arranged on the pipelines (32), and one sides of the tank bodies (1) deviating from the spray heads (31) are provided with drain outlets (34).

7. A soil and water conservation sand basin according to claim 6 wherein: one side of the tank body (1) provided with a sewage outlet (34) is provided with a sewage channel (4).

8. A soil and water conservation sand basin according to claim 7 wherein: the drain outlet (34) is provided with a drain gate (35) for opening or closing the drain outlet (34).