CN211596642U

CN211596642U - Water and sand separating and collecting instrument

Info

Publication number: CN211596642U
Application number: CN201821287310.6U
Authority: CN
Inventors: 赖永辉; 卓乙含; 卓俊鍪; 马嘉骏; 钟丽文; 谢华娟; 张曼丽
Original assignee: Guangdong Polytechnic of Water Resources and Electric Engineering Guangdong Water Resources and Electric Power Technical School
Current assignee: Guangdong Polytechnic of Water Resources and Electric Engineering Guangdong Water Resources and Electric Power Technical School
Priority date: 2018-08-09
Filing date: 2018-08-09
Publication date: 2020-09-29
Anticipated expiration: 2028-08-09

Abstract

The utility model discloses a water-sand separating and collecting instrument, relating to the technical field of hydraulic and river model tests, comprising a platform with a launder, wherein the launder is formed with a water inlet and a water outlet, and the water inlet is not lower than the water outlet; the flow guide assembly is arranged in the launder and guides the water outlet into a plurality of flow guide ports; and the collecting tank is arranged on the platform, is positioned at the water outlet of the water flowing groove, is provided with an accommodating cavity in a forming mode, comprises a peripheral wall and a bottom wall, and is internally provided with a sand blocking assembly. The silt-containing muddy water flows to the water outlet from the water inlet, flows to the silt collecting area in the collecting tank through the diversion assembly, and due to the fact that the overflow portion at the top of the silt blocking assembly is lower than the peripheral wall of the collecting tank, silt of the silt-containing muddy water can be deposited in the silt collecting area, and water can flow over the overflow portion of the silt blocking assembly and flow to the water collecting area, so that water-sand separation is achieved.

Description

Water and sand separating and collecting instrument

Technical Field

The utility model relates to a water conservancy project and river model test technical field, in particular to appearance is collected in water and sand separation.

Background

Before the construction of a hydraulic engineering project, in order to deeply understand and analyze whether the construction of the project brings adverse effects to the natural environment of a relevant river or analyze whether the flowing scouring of water flow affects the operation safety of a hydraulic engineering building, a small-scale model test is usually adopted to simulate an actual working scene for exploration and analysis. Conventionally, this work has been studied, and tests have been carried out using river physical models or glass water tanks in many cases. In the test, a pumping circulation system is mostly adopted to realize the circulation and the transmission of water and sand for a large amount of water and sand which flows into a water inlet and is used for simulating the inflow condition of a natural river.

However, in the test, the pumping circulation system needs to be started to realize the circulation and the transmission of the water and the sand, so that the cost of equipment is high, the test cost is high, the maintenance cost is high, and the test is inconvenient to develop. Importantly, in the water-sand circulation test device, although a desilting pool is arranged at the water outlet of the device, a large amount of sand flows into the water return channel along with water flow, so that muddy water containing sand is contained in the whole circulation flow path. The circulating water contains a large amount of silt, water and sand separation is not carried out, and the water and sand flow process can cause abrasion to a circulating pipeline system, greatly reduce the service life and pollute the environment.

Disclosure of Invention

An object of the utility model is to provide a water and sand separation collection appearance can carry out the water and sand separation with the used muddy water containing sand of experiment under the simulation river inflow condition to collect respectively, realize recycling.

The technical scheme adopted for solving the technical problems is as follows:

a water and sand separating and collecting instrument comprises

A platform having a flume, the flume having a water inlet and a water outlet, the water inlet being no lower than the water outlet;

the flow guide assembly is arranged in the launder and guides the water outlet into a plurality of flow guide ports; and

the sand storage device comprises a collecting tank arranged on the platform, wherein the collecting tank is positioned at a water outlet of the launder, an accommodating cavity is formed in the collecting tank, the collecting tank comprises a peripheral wall and a bottom wall, a sand blocking assembly is arranged in the collecting tank and divides the accommodating cavity into a plurality of chambers, part of the chambers are sand collecting regions, part of the chambers are water collecting regions, each flow guide port is positioned above or obliquely above the corresponding sand collecting region, a reference position is defined on the peripheral wall along a lowest position, an overflow part is arranged at the upper end of the sand blocking assembly, and the lowest position of the overflow part is lower than the reference position.

As a further improvement of the above technical solution, the flow guide assembly includes at least two flow guide plates connected to each other, an included angle formed between inner side end faces of the two flow guide plates is defined as α, α ∈ (0,180 °), outer side end faces of the two flow guide plates both face the water inlet, and free ends of the two flow guide plates respectively form the corresponding flow guide ports with the gutter side plates.

As a further improvement of the above technical solution, the sand blocking assembly includes at least one sand blocking bank, the top of each sand blocking bank has an overflow surface, and each overflow surface constitutes an overflow portion of the sand blocking assembly.

As a further improvement of the above technical solution, the collecting tank is in a long strip shape, the sand blocking sills are vertically arranged along the width direction of the collecting tank, at least two sand blocking sills are arranged in the collecting tank to form at least three chambers, a chamber located in the middle of the accommodating cavity is the water collecting region, and the rest chambers are the sand collecting regions.

As a further improvement of the technical proposal, the water collecting area is provided with a lower leakage opening, and a running water collecting box is arranged below the lower leakage opening.

As a further improvement of the technical scheme, the cross section of the collecting tank is U-shaped.

As a further improvement of the above technical solution, the peripheral wall includes a first side wall, a second side wall, and two end side walls, the first side wall and the second side wall are respectively located at two sides of the collecting tank, the two end side walls are respectively located at two ends of the collecting tank, and a collecting switch is disposed on each end side wall.

As a further improvement of the above technical solution, each of the collecting switches includes a notch opened on the corresponding end side wall, a card slot disposed at the notch, and a baffle plate inserted in the card slot.

As a further improvement of the above technical solution, an upper portion of the first sidewall is bent outward, thereby forming a drainage portion of the collecting tank.

As a further improvement of the above technical solution, an upper portion of the second sidewall is bent inward to form a splash guard of the collecting gutter.

The utility model has the advantages that: the utility model discloses a design has the platform of tye, contains husky muddy water from the water inlet flow direction delivery port, through the husky collecting region in the water conservancy diversion subassembly water conservancy diversion flow direction collecting vat between them, because the overflow portion at sediment trapping assembly top is less than the perisporium of collecting vat, contains husky muddy water's silt can deposit in husky collecting region, and water then can spill over the overflow portion of sediment trapping assembly, flows to water collecting region to realize the water-sand separation.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of another view angle according to an embodiment of the present invention;

FIG. 3 is a schematic view of the structure of the collecting tank of the present invention;

FIG. 4 is a schematic view of another view of the collection trough of the present invention;

FIG. 5 is a cross-sectional view of a collection trough of the present invention;

FIG. 6 is an enlarged view of a portion of circle A of FIG. 4;

fig. 7 is a partially enlarged view of circle B in fig. 4.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions.

Referring to fig. 1 to 7, a water and sand separating and collecting apparatus includes a platform 40, a flow guide assembly and a collecting tank. The platform 40 has a flume, specifically, corresponding side plates are arranged on two sides of the upper end surface of the platform 40, the flume is formed after the upper end surface of the platform 40 and the side plates on the two sides are combined, a water inlet and a water outlet are formed in the flume, the water inlet is not lower than the water outlet, as shown in fig. 1 and fig. 2, and the water flow direction of muddy water containing sand is indicated by an arrow. The diversion assembly is specifically arranged at a position, close to the water outlet, of the water flowing channel, and the diversion assembly guides the water outlet into a plurality of diversion ports.

Specifically, the flow guiding assembly comprises at least two flow guiding plates 51 connected with each other, an included angle formed between the inner side end faces of the two flow guiding plates 51 is defined as alpha, alpha epsilon (0,180 °), the outer side end faces of the two flow guiding plates 51 face the water inlet, and the free ends of the two flow guiding plates 51 respectively form corresponding flow guiding ports with the side plates of the launder.

The collection trough 10 is mounted on the side of the platform 40 for receiving the water stream from the diversion port. The collecting tank 10 is located at the water outlet of the water flowing tank, the collecting tank 10 is formed with a containing cavity, and the collecting tank 10 comprises a peripheral wall and a bottom wall 13. Specifically, the collecting gutter 10 is preferably elongated, and the collecting gutter 10 has a U-shaped cross section. The peripheral wall comprises a first side wall 11, a second side wall 12 and two end side walls, the first side wall 11 and the second side wall 12 are respectively located at two sides of the collecting tank 10, and the two end side walls are respectively located at two ends of the collecting tank 10.

A sand blocking assembly is arranged in the collecting tank 10, the sand blocking assembly divides the accommodating cavity into a plurality of chambers, part of the chambers are sand collecting regions, part of the chambers are water collecting regions, each flow guide opening is positioned above or obliquely above the corresponding sand collecting region, the lowest position on the peripheral wall is defined as a reference position, the upper ends of the sand blocking assemblies are provided with overflow portions, and the lowest position of each overflow portion is lower than the reference position. Preferably, the sand blocking assembly comprises at least one sand blocking bank 30, each sand blocking bank 30 is provided with an overflow surface 31 at the top, and each overflow surface 31 constitutes an overflow part of the sand blocking assembly. Preferably, each sand blocking bank 30 is vertically arranged along the width direction of the collecting tank 10, at least two sand blocking banks 30 are arranged in the collecting tank 10 so as to form at least three chambers, the chamber located in the middle of the accommodating chamber is a water collecting region, and the rest chambers are sand collecting regions. In this embodiment, the number of the sand trap sills 30 is two, and the number of the chambers is three, one of the chambers is a water collecting region located in the middle of the collecting tank 10, the other two chambers are sand collecting regions located at two ends of the collecting tank 10, and the two sand collecting regions just receive the muddy water containing sand flowing down from the two diversion ports. Wherein a lower leakage opening 15 is arranged in the water collecting area, and a running water collecting box 60 is arranged below the lower leakage opening 15.

Preferably, a collection switch is disposed on each end side wall, i.e. on the peripheral wall of the two sand collection regions. Each collecting switch comprises a notch opened on the side wall of the corresponding end, a clamping plate groove 21 arranged at the notch, and a baffle plate 22 placed in the clamping plate groove 21, namely the baffle plate 22 is detachable. The collecting groove 10 is U-shaped in cross-section, so that the gap of the collecting switch is also U-shaped and the catch groove 21 is U-shaped ring-shaped.

Use the utility model discloses the time, will contain husky muddy water and flow in the water inlet of tye, the little operating mode of simulation river upper reaches running water volume of coming sand, contain husky muddy water through each water conservancy diversion mouth of water conservancy diversion subassembly flow direction to flow to two husky collecting regions respectively. In order to make the muddy water containing sand smoothly flow into the collecting tank 10, it is preferable that the upper portion of the first side wall 11 is bent outward, so that a drainage portion of the collecting tank 10 is formed, i.e., the muddy water containing sand flows into the sand collecting region from the drainage portion. In order to prevent the muddy water containing sand from flowing too fast and impacting the second side wall 12 and splashing, it is preferable that the upper portion of the second side wall 12 is bent inward to form a splash guard of the collecting tank 10.

In this embodiment, the muddy water containing sand flows into the two sand collecting areas respectively, and the sand is deposited at the bottom of the sand collecting areas because the density of the sand is higher than that of the water. On the other hand, the collecting trough 10 is U-shaped in cross section, and in the sand collecting area, the U-shaped collecting trough 10 is also beneficial to the sediment flowing into the collecting trough 10 to be deposited at the bottom of the collecting trough 10. At this time, the end face of each sand trap bank 30 far away from the water collecting area is a sand trap isolation face. In addition, the baffle 22 is higher than the sand trap 30, and water flows over the overflow surface 31 at the top of the sand trap 30, flows to the water collecting area in the middle of the collecting tank 10, flows out of the lower leakage opening 15, is collected by the flowing water collecting box 60, and can be recycled. When the silt in the two silt collecting areas needs to be cleaned, the collecting groove does not need to be detached, and the silt in the silt collecting areas can be easily cleaned and discharged only by taking out the baffle plates 22 at the two ends of the collecting groove 10.

The shape of the collecting tank, the number and the position of each sand blocking bank can be modified appropriately by those skilled in the art according to the water outlet position of the water-sand circulation test device. For example, two or more sand traps 30 may be disposed at two ends of the collecting tank 10 to form a plurality of sand collecting regions, so that the water flowing to the water collecting region is clear, and the water is set according to the turbidity of the muddy water containing sand in the water-sand circulation test device.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. The utility model provides a water and sand separation collects appearance which characterized in that: comprises that

A platform (40) having a flume with a water inlet and a water outlet, the water inlet being no lower than the water outlet;

the collecting tank (10) is installed on the platform (40), the collecting tank (10) is located at a water outlet of the flowing water tank, an accommodating cavity is formed in the collecting tank (10), the collecting tank (10) comprises a peripheral wall and a bottom wall (13), a sand blocking assembly is arranged in the collecting tank (10), the sand blocking assembly divides the accommodating cavity into a plurality of chambers, part of the chambers are sand collecting regions, part of the chambers are water collecting regions, each flow guide opening is located above or obliquely above the corresponding sand collecting region, a reference position is defined on the peripheral wall along a lowest position, overflow portions are arranged at the upper ends of the sand blocking assemblies, and the lowest position of each overflow portion is lower than the reference position.

2. The water and sand separating and collecting instrument according to claim 1, wherein: the flow guide assembly comprises at least two flow guide plates (51) which are connected with each other, an included angle formed between the inner side end faces of the two flow guide plates (51) is defined as alpha, the alpha belongs to (0,180 degrees), the outer end faces of the two flow guide plates (51) face the water inlet, and the free ends of the two flow guide plates (51) and the side plates of the launder form corresponding flow guide ports respectively.

3. The water and sand separating and collecting instrument according to claim 1 or 2, wherein: the sand blocking assembly comprises at least one sand blocking sill (30), the top of each sand blocking sill (30) is provided with an overflow surface (31), and each overflow surface (31) forms an overflow part of the sand blocking assembly.

4. The water and sand separating and collecting instrument according to claim 3, wherein: the collecting tank (10) is long in strip shape, the sand blocking sills (30) are vertically arranged along the width direction of the collecting tank (10), at least two sand blocking sills (30) are arranged in the collecting tank (10) to form at least three chambers, the chamber located in the middle of the containing cavity is the water collecting region, and the rest chambers are the sand collecting regions.

5. The water and sand separating and collecting instrument according to claim 4, wherein: the water collecting area is provided with a lower leakage opening (15), and a running water collecting box (60) is arranged below the lower leakage opening.

6. The water and sand separating and collecting instrument according to claim 4, wherein: the cross section of the collecting groove (10) is U-shaped.

7. The water and sand separating and collecting instrument according to claim 4, wherein: the peripheral wall comprises a first side wall (11), a second side wall (12) and two end side walls, the first side wall (11) and the second side wall (12) are respectively located on two sides of the collecting tank (10), the two end side walls are respectively located at two ends of the collecting tank (10), and a collecting switch is arranged on each end side wall.

8. The water and sand separating and collecting instrument according to claim 7, wherein: each collecting switch comprises a notch arranged on the corresponding end side wall, a clamping plate groove (21) arranged at the notch, and a baffle plate (22) embedded in the clamping plate groove (21).

9. The water and sand separating and collecting instrument according to claim 7, wherein: the upper part of the first side wall (11) is bent outwards, so that a drainage part of the collecting tank (10) is formed.

10. The water and sand separating and collecting instrument according to claim 7, wherein: the upper part of the second side wall (12) is bent inwards, so that a splash-proof part of the collecting tank (10) is formed.