Overflow slag collecting weir

Abstract

The utility model belongs to the technical field of water conservancy and hydropower construction, and discloses an overflowing slag collecting weir which comprises a weir body, the weir body is of a trapezoidal section, top safe edges are symmetrically and fixedly arranged at the top of the weir body, and a slag collecting baffle is fixedly connected to the bottommost position of the slope of the rear wall face of the weir body and is of an L-shaped section. The retarding structure is arranged on the wall face of the weir body, the retarding structure can enable muck in water flow to be accumulated on the wall face of the weir body, the retarding structure comprises an inclined plate, a chute and a guide rod, the inclined plate is fixedly connected to the top of the top protection edge of the front wall face, the chute is formed in the inclined face of the rear wall face of the weir body, and the guide rod is fixedly connected into the chute. And the flow speed of water flow can be greatly reduced through the inclined plates, the inclined grooves, the grading rods and the flow dividing rods, so that the sedimentation time of muck in the water flow is prolonged.

Description

Technical Field

[0001] The utility model belongs to the field of water conservancy and hydropower construction, and specifically relates to an over-flow slag-collecting weir. Background Art

[0002] An over-flow slag-collecting weir is a structure specially designed for water conservancy and hydropower projects, and its main functions are slag collection and water flow diversion.

[0003] The prior art (publication number: CN215482702U) discloses an over-flow slag-collecting weir, which includes a main body. A slope top is arranged on the main body, and a slope-dividing platform is also arranged on the main body. A slope is arranged between the slope-dividing platform and the slope top, and a concrete strip is laid on the slope.

[0004] The prior art buffers the water flow by setting multiple slopes when the water flow passes through its inclined surface, and then makes the muck in the water flow concentrate and stay in the slag-collecting tank at the lowest part of the inclined surface for collection. Although the prior art can collect muck, because it only relies on multiple slopes for collection, this results in only a small amount of muck being collected, so the muck collection amount of the prior art is low.

[0005] In view of this, the present utility model is specifically proposed. Content of the Utility Model

[0006] To solve the technical problem of the low muck collection amount in the above-mentioned prior art, the basic concept of the technical solution adopted by the present utility model is as follows:

[0007] An over-flow slag-collecting weir, comprising:

[0008] A weir body, the weir body has a trapezoidal cross-section, top protection edges are symmetrically and fixedly arranged at the top of the weir body, and a slag-collecting baffle is fixedly connected to the lowest part of the inclined surface of the rear wall surface of the weir body. The slag-collecting baffle has an L-shaped cross-section;

[0009] A speed-reducing structure, the speed-reducing structure is arranged on the wall surface of the weir body, and the speed-reducing structure can make the muck in the water flow accumulate on the wall surface of the weir body. The speed-reducing structure includes: an inclined plate, an inclined groove and a guiding rod. The inclined plate is fixedly connected to the top of the top protection edge on the front wall surface, the inclined groove is opened on the inclined surface of the rear wall surface of the weir body, and the guiding rod is fixedly connected in the inclined groove.

[0010] As a preferred embodiment of the present utility model, the inclined plate is obliquely arranged backward at the top of the top protection edge, the length of the inclined plate is the same as the top of the top protection edge, and circular grooves are penetrated and opened at the bottom of the inclined plate, and a plurality of the same circular grooves are uniformly opened at the bottom of the inclined plate.

[0011] As a preferred embodiment of the present utility model, the inclined groove is opened in the cavity of the inclined surface of the weir body. A plurality of rectangular notches are evenly opened at the corresponding positions of the inclined surface of the weir body for the inclined groove. Each rectangular notch can communicate with the inclined groove. The guide rod is obliquely arranged in the inclined groove. A plurality of guide rods are arranged in the inclined groove, and the plurality of guide rods are arranged in an inverted V shape in the inclined groove.

[0012] As a preferred embodiment of the present utility model, the deceleration structure further includes a grading rod and a diversion rod. The grading rod is fixedly connected to the rectangular notch on the inclined surface of the weir body, and the grading rod is respectively arranged at the opening of each rectangular notch. The diversion rod is fixedly connected to the wall surface of the slag collection baffle.

[0013] As a preferred embodiment of the present utility model, the grading rod is a rod with an arc-shaped cross section. A plurality of diversion rods are evenly arranged on the front wall surface of the slag collection baffle, and a plurality of diversion rods are also arranged at the lower top of the slag collection baffle. The diversion rod is a rod with an elliptical cross section.

[0014] As a preferred embodiment of the present utility model, a filtering and moving structure is further arranged on the wall surface of the weir body. The filtering and moving structure includes a bracket, a filtering shaft, filtering holes and a dial. The brackets are symmetrically arranged on both sides of the top of the other top protection edge opposite to the inclined plate. The filtering shaft is rotatably connected between the symmetric brackets. The filtering holes are opened on the wall surface of the filtering shaft. The dial is fixedly connected to the wall surface of the filtering shaft.

[0015] As a preferred embodiment of the present utility model, the filtering shaft is in the shape of a hollow cylinder, and both ends of the filtering shaft are respectively connected to the symmetric brackets. The filtering holes are circular holes, and a plurality of filtering holes are evenly arranged on the arc surface of the filtering shaft. The dial is a rectangular plate, and the dial is horizontally arranged on the arc surface of the filtering shaft. A plurality of dials are evenly arranged on the arc surface of the filtering shaft.

[0016] The present utility model has the following beneficial effects compared with the prior art:

[0017] 1. By arranging the deceleration structure, when the water flow passes through the wall surface of the weir body, the inclined plate, the inclined groove, the grading rod and the diversion rod arranged can greatly slow down the flow rate of the water flow, thereby increasing the sedimentation time of the muck in the water flow. Therefore, compared with the prior art, the amount of slag that can be collected in this solution is more.

[0018] 2. By arranging the filtering and moving structure, the water flow flowing through the top of the weir body can be preliminarily filtered, and the kinetic energy of the water flow can be used to push the filtering shaft to rotate for power generation of the generator, thereby improving the water quality and the environmental protection of this solution at the same time.

[0019] The following further describes in detail the specific implementation manners of the present utility model with reference to the accompanying drawings. Description of the Drawings

[0020] In the drawings:

[0021] Figure 1This is the perspective view of the utility model;

[0022] Figure 2 This is the side view of the utility model;

[0023] Figure 3 This is the rear perspective view of the utility model;

[0024] Figure 4 This is the enlarged view at position A of the utility model;

[0025] Figure 5 This is the perspective view of the filter shaft of the utility model.

[0026] In the figure: 20, weir body; 21, top edge protection; 22, slag collection baffle; 23, support; 24, filter shaft; 25, filter holes; 26, baffle plate; 30, inclined plate; 31, inclined groove; 32, guide rod; 33, grading rod; 34, shunt rod. Detailed implementation manners

[0027] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the following will clearly and completely describe the technical solutions in the embodiments in conjunction with the accompanying drawings in the embodiments of the present utility model. The following embodiments are used to illustrate the present utility model.

[0028] As Figure 1 , Figure 2 , Figure 3 and Figure 4 shown, an overcurrent slag collection weir, with a weir body 20, the weir body 20 having a trapezoidal cross-section, top edge protections 21 symmetrically and fixedly arranged at the top of the weir body 20, a slag collection baffle 22 fixedly connected to the lowest point of the inclined rear wall surface of the weir body 20, the slag collection baffle 22 having an L-shaped cross-section, and the weir body 20 being a conventional weir. This is prior art and will not be elaborated here.

[0029] As Figure 1 , Figure 2 and Figure 3 shown, a flow-slowing structure, the flow-slowing structure is arranged on the wall surface of the weir body 20, and the flow-slowing structure can cause the muck in the water flow to accumulate on the wall surface of the weir body 20. The flow-slowing structure includes: an inclined plate 30, an inclined groove 31 and a guide rod 32. The inclined plate 30 is fixedly connected to the top of the top edge protection 21 on the front wall surface, the inclined groove 31 is opened on the inclined surface of the rear wall surface of the weir body 20, and the guide rod 32 is fixedly connected in the inclined groove 31.

[0030] As Figure 1 , Figure 2 , Figure 3 and Figure 4As shown in the figure, the inclined plate 30 is obliquely arranged backward at the top of the top protection edge 21. The length of the inclined plate 30 is the same as the top of the top protection edge 21. A circular groove is opened through the bottom of the inclined plate 30, and multiple identical circular grooves are evenly opened at the bottom of the inclined plate 30. The inclined groove 31 is opened in the cavity of the inclined surface of the weir body 20. Multiple rectangular notches are evenly opened at the corresponding positions of the inclined surface of the weir body 20 for the inclined groove 31. Each rectangular notch can communicate with the inclined groove 31. The guide rod 32 is obliquely arranged in the inclined groove 31. Multiple guide rods 32 are arranged in the inclined groove 31 in an inverted V shape. The slow-down structure further includes a grading rod 33 and a diversion rod 34. The grading rod 33 is fixedly connected to the rectangular notch on the inclined surface of the weir body 20, and the grading rod 33 is respectively arranged at the opening of each rectangular notch. The diversion rod 34 is fixedly connected to the wall surface of the slag collection baffle 22. The grading rod 33 is a rod with an arc-shaped cross-section. Multiple diversion rods 34 are evenly arranged on the front wall surface of the slag collection baffle 22, and multiple diversion rods 34 are also arranged at the top below the slag collection baffle 22. The diversion rod 34 is a rod with an oval cross-section;

[0031] During specific use, first, the water flow flows from the front slope of the weir body 20 towards the rear of the weir body 20. When the water level is flush with the top of the top protection edge 21, it will pass through the circular groove at the bottom of the inclined plate 30 and reach the top of the weir body 20 between the symmetric top protection edges 21. Then, as the water level rises at the top of the weir body 20 between the symmetric top protection edges 21, it will flow over the top of the other top protection edge 21. At this time, the water flow will flow into the inclined groove 31 through the rectangular notch on the inclined surface of the rear wall of the weir body 20, and then flow downward along the inclined surface of each guide rod 32 in the inclined groove 31, and then flow out of the inclined groove 31 through the rectangular notch at the lowest position to the wall surface of the slag collection baffle 22. Finally, as the water level on the wall surface of the slag collection baffle 22 rises and exceeds the height of the slag collection baffle 22, it will flow over the top of the slag collection baffle 22. When the water flow enters between the symmetric top protection edges 21, the soil and stones in the water flow will precipitate. Then, a small amount of soil and stones will accumulate on the top of the weir body 20 between the symmetric top protection edges 21. Then, as the water flow moves, a small amount of soil and stones will accumulate in the inclined groove 31. When the water flow is on the wall surface of the slag collection baffle 22, the soil and stones in the water flow will finally accumulate on the wall surface of the slag collection baffle 22. The inclined plate 30, the grading rod 33 and the diversion rod 34 can slow down the flow rate of the water;

[0032] In summary, by setting the slow-down structure, when the water flow flows through the wall surface of the weir body 20, the inclined plate 30, the inclined groove 31, the grading rod 33 and the diversion rod 34 can greatly slow down the flow rate of the water flow, thereby increasing the precipitation time of the soil and stones in the water flow. Therefore, compared with the prior art, the present solution can collect more slag.

[0033] Such as Figure 1 、 Figure 2 and Figure 5As shown in the figure, a filtering and moving structure is also provided on the wall surface of the weir body 20. The filtering and moving structure includes a support 23, a filtering shaft 24, filtering holes 25 and a baffle 26. The supports 23 are symmetrically arranged on both sides of the top of the other top protection edge 21 opposite to the inclined plate 30. The filtering shaft 24 is rotatably connected between the symmetric supports 23. The filtering holes 25 are formed on the wall surface of the filtering shaft 24. The baffle 26 is fixedly connected to the wall surface of the filtering shaft 24. The filtering shaft 24 is in the shape of a hollow cylinder. The two ends of the filtering shaft 24 are respectively connected to the symmetric supports 23. The filtering holes 25 are circular holes. A plurality of filtering holes 25 are evenly arranged on the arc surface of the filtering shaft 24. The baffle 26 is in the shape of a rectangular plate. The baffle 26 is horizontally arranged on the arc surface of the filtering shaft 24. A plurality of baffles 26 are evenly arranged on the arc surface of the filtering shaft 24;

[0034] During specific use, when the water flow passes through the top of the rear top protection edge 21, it will contact the wall surfaces of the baffle 26 and the filtering shaft 24. The water flow will push the baffle 26 and the filtering shaft 24 to rotate backward. At this time, the filtering holes 25 can filter and separate the muck in the water flow, and then discharge it from the cavity of the filtering shaft 24 as the filtering shaft 24 rotates. Power generators can be added and installed on both sides of the filtering shaft 24 for power generation;

[0035] In summary, by setting the filtering and moving structure, the water flow passing through the top of the weir body 20 can be preliminarily filtered, and the kinetic energy of the water flow can be used to push the filtering shaft 24 to rotate for power generation of the generator, so as to improve the water quality and the environmental protection of this solution at the same time.

[0036] Working principle: First, the water flow flows from the front slope of the weir body 20 to the rear of the weir body 20. When the water level is flush with the top of the top protection edge 21 on the horizontal plane, it will pass through the circular groove at the bottom of the inclined plate 30 and enter the top of the weir body 20 between the symmetric top protection edges 21. Then, as the water level on the top of the weir body 20 between the symmetric top protection edges 21 rises, it will flow over the top of the other top protection edge 21. At this time, the water flow will flow into the inclined groove 31 through the rectangular notch on the inclined rear wall surface of the weir body 20, and then flow downward along the inclined surface of each guide rod 32 in the inclined groove 31, and then flow out of the inclined groove 31 through the rectangular notch at the lowest position to the wall surface of the slag collecting baffle 22. Finally, as the water level on the wall surface of the slag collecting baffle 22 rises and exceeds the height of the slag collecting baffle 22, it will flow over the top of the slag collecting baffle 22. When the water flow enters between the symmetric top protection edges 21, the muck in the water flow will precipitate, and a small amount of muck will accumulate on the top of the weir body 20 between the symmetric top protection edges 21. Then, as the water flow moves, a small amount of muck will accumulate in the inclined groove 31, and the muck in the water flow will finally accumulate on the wall surface of the slag collecting baffle 22 when the water flow is on the wall surface of the slag collecting baffle 22.

[0037] It can be understood that the present utility model is described through some embodiments. Those skilled in the art will know that without departing from the spirit and scope of the present utility model, various changes or equivalent substitutions can be made to these features and embodiments. Additionally, under the teaching of the present utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application belong to the scope protected by the present utility model.

Claims

1. An overcurrent slag-collecting weir, characterized in that, Comprising: A weir body (20), the weir body (20) has a trapezoidal cross-section, top edge protectors (21) are symmetrically and fixedly arranged at the top of the weir body (20), and a slag collection baffle (22) is fixedly connected to the lowest point of the inclined rear wall surface of the weir body (20), and the slag collection baffle (22) has an L-shaped cross-section; A flow retardation structure, the flow retardation structure is arranged on the wall surface of the weir body (20), and the flow retardation structure can make the soil and stones in the water flow accumulate on the wall surface of the weir body (20). The flow retardation structure includes: an inclined plate (30), an inclined groove (31) and a guide rod (32). The inclined plate (30) is fixedly connected to the top of the top edge protector (21) on the front wall surface, the inclined groove (31) is opened on the inclined surface of the rear wall surface of the weir body (20), and the guide rod (32) is fixedly connected in the inclined groove (31).

2. The overflow slag trap weir according to claim 1, wherein The inclined plate (30) is obliquely arranged backward at the top of the top edge protector (21), the length of the inclined plate (30) is the same as the top of the top edge protector (21), and circular grooves are penetrated and opened at the bottom of the inclined plate (30), and a plurality of the same circular grooves are evenly opened at the bottom of the inclined plate (30).

3. The overflow slag trap weir according to claim 1, characterized in that, The inclined groove (31) is opened in the cavity of the inclined surface of the weir body (20), and a plurality of rectangular notches are evenly opened at the corresponding positions of the inclined surface of the weir body (20) for the inclined groove (31). Each rectangular notch can communicate with the inclined groove (31). The guide rod (32) is obliquely arranged in the inclined groove (31), and a plurality of guide rods (32) are arranged in the inclined groove (31), and the plurality of guide rods (32) are arranged in an inverted V shape in the inclined groove (31).

4. The overflow slag-collecting weir according to claim 1, wherein The flow retardation structure further includes a grading rod (33) and a diversion rod (34). The grading rod (33) is fixedly connected to the rectangular notch on the inclined surface of the weir body (20), and the grading rod (33) is respectively arranged at the opening of each rectangular notch. The diversion rod (34) is fixedly connected to the wall surface of the slag collection baffle (22).

5. The overflow slag trap weir according to claim 4, characterized in that, The grading rod (33) is a rod with an arc-shaped cross-section. A plurality of diversion rods (34) are evenly arranged on the front wall surface of the slag collection baffle (22), and a plurality of diversion rods (34) are also arranged at the top below the slag collection baffle (22). The diversion rod (34) is a rod with an oval cross-section.

6. The overflow slag trap weir according to claim 1, characterized in that, A filtering and moving structure is further arranged on the wall surface of the weir body (20). The filtering and moving structure includes a bracket (23), a filtering shaft (24), filtering holes (25) and a dial plate (26). The brackets (23) are symmetrically arranged on both sides of the top of the other top edge protector (21) opposite to the inclined plate (30). The filtering shaft (24) is rotatably connected between the symmetric brackets (23). The filtering holes (25) are opened on the wall surface of the filtering shaft (24), and the dial plate (26) is fixedly connected to the wall surface of the filtering shaft (24).

7. The overflow slag trap weir according to claim 6, characterized in that, The filtering shaft (24) is in the shape of a hollow cylinder, and both ends of the filtering shaft (24) are respectively connected to the symmetric brackets (23). The filtering holes (25) are circular holes, and a plurality of filtering holes (25) are evenly arranged on the arc surface of the filtering shaft (24). The dial plate (26) is a rectangular plate, the dial plate (26) is horizontally arranged on the arc surface of the filtering shaft (24), and a plurality of dial plates (26) are evenly arranged on the arc surface of the filtering shaft (24).

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