CN218911317U

CN218911317U - Energy dissipation type water collecting pond at outlet of tailing pond drainage system

Info

Publication number: CN218911317U
Application number: CN202223020668.1U
Authority: CN
Inventors: 胡苗; 周积果
Original assignee: China ENFI Engineering Corp; China Nonferrous Metals Engineering Co Ltd
Current assignee: China ENFI Engineering Corp; China Nonferrous Metals Engineering Co Ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-04-25
Anticipated expiration: 2032-11-14

Abstract

The utility model discloses an outlet energy dissipation type water collecting tank of a tailing pond drainage system, which comprises a water collecting tank body, a water return pump station and a drainage system, wherein an energy dissipation structure is arranged in the water collecting tank body, the energy dissipation structure comprises at least two guide walls which are parallel to each other, the extending direction of the guide walls is angled to the water flow direction, the water return pump station is arranged on one side of the water collecting tank body and is communicated with the water collecting tank body, and the drainage system is arranged on the outer side wall of the water collecting tank body and is communicated with the water collecting tank body. The energy dissipation type water collecting tank at the outlet of the tailing pond drainage system has the advantages of simple structure, high reliability and good energy dissipation effect.

Description

Energy dissipation type water collecting pond at outlet of tailing pond drainage system

Technical Field

The utility model relates to the technical field of water treatment, in particular to an outlet energy dissipation type water collecting tank of a tailing pond drainage system.

Background

At present, large and medium-sized concentrating mills are matched with tailing ponds with larger reservoir capacity and higher dam bodies, and when flood discharge systems of the tailing ponds discharge floodwaters, the water flow is large, the flow speed is high and huge energy is carried to impact the outlet stilling ponds of the flood discharge systems. In the related art, in order to stabilize the flow state of water flow in a water collecting tank, methods of prolonging the length of a tunnel or adding energy dissipation facilities at the bottom of the tunnel are often adopted. The tunnel gradient is reduced by prolonging the tunnel length, so that the tunnel engineering quantity is increased greatly, the construction progress is influenced, and the engineering investment is increased. The energy dissipation facilities such as the ladder falling ridge are additionally arranged at the bottom of the tunnel, so that the structure is complex, the construction difficulty is high, and the management and maintenance are not easy. At present, energy dissipation facilities at the outlet of a drainage tunnel, such as a stilling pool, only have the function of energy dissipation, and are not suitable for being used as a backwater pool due to poor flow state of water in the pool. The water pump station is utilized to return water to the selecting factory, and a water collecting tank is required to be built on the downstream side of the stilling pool. In the related art, a water inlet of a tailing pond water return pump station is often positioned at one side of a water collecting tank. The performance of the water pump cannot be fully exerted under the influence of poor water flow state in the water collecting tank, so that the energy consumption of the pump station is increased, the efficiency of the pump station unit is reduced, cavitation, noise, vibration and the like of the water pump are caused, and the safe operation of the pump station is endangered.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the utility model provides the energy dissipation type water collecting tank at the outlet of the tailing pond drainage system, which has the advantages of simple structure, high reliability and good energy dissipation effect.

According to the tailing pond drainage system outlet energy dissipation type water collecting pond, the tailing pond drainage system outlet energy dissipation type water collecting pond comprises a water collecting pond body, a water return pump station and a drainage system, wherein an energy dissipation structure is arranged in the water collecting pond body, the energy dissipation structure comprises at least two guide walls which are parallel to each other, the extending direction of the guide walls is angled to the inlet water flow direction, the water return pump station is arranged on one side of the water collecting pond body and is communicated with the water collecting pond body, and the drainage system is arranged on the outer side wall of the water collecting pond body and is communicated with the water collecting pond body.

The energy dissipation type water collecting tank at the outlet of the tailing pond drainage system has the advantages of being simple in structure, high in reliability and good in energy dissipation effect.

In some embodiments, the water collecting tank body is provided with a first side wall and a second side wall which are in the same direction as the inlet water flow, the first ends of the plurality of guide walls are respectively connected with the first side wall and the second side wall, and the guide walls on the first side wall and the guide walls on the second side wall are distributed in a staggered manner.

In some embodiments, the direction of extension of the diverter wall is perpendicular to the inlet water flow direction.

In some embodiments, the diverter wall cooperates with an adjacent diverter wall and the bottom of the sump body to form a diverter channel.

In some embodiments, the first end of the guide wall is connected to the inner side wall of the sump body, and the space between the second end of the guide wall and the inner side wall of the opposite side of the sump body is used for communicating with the guide channel, and the space between any adjacent guide wall is located on the opposite side of the sump body.

In some embodiments, an overflow port is provided on a side of the sump body remote from the drain system.

In some embodiments, the drainage system comprises at least one drain pipe, an inlet of the drain pipe is connected to the tailings pond flood drainage system, and an outlet of the drain pipe is connected to the sump body.

In some embodiments, a guard rail is further provided on the sump body.

In some embodiments, the inner side wall of the sump body is provided with a vertical ladder.

Drawings

Fig. 1 is a top view of an outlet energy dissipating catch basin of a tailings pond drainage system in accordance with an embodiment of the present utility model.

Fig. 2 is a cross-sectional view of an outlet energy dissipating catch basin of a tailings pond drainage system in accordance with an embodiment of the present utility model.

Fig. 3 is a cross-sectional view of another direction of the tailings pond drainage system outlet energy dissipating catch basin in accordance with an embodiment of the present utility model.

Reference numerals: 1. a sump body; 2. a water return pump station; 3. a drain pipe; 4. a guide wall; 5. an overflow port; 6. a guard rail; 7. and (5) a vertical ladder.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the water collecting tank in the related art, in order to stabilize the water flow state in the water tank, methods of prolonging the tunnel length or adding energy dissipation facilities at the bottom of the tunnel are often adopted, the tunnel gradient is reduced by prolonging the tunnel length, the tunnel engineering quantity is increased, the construction progress is influenced, the engineering investment is increased, the energy dissipation facilities such as a ladder falling ridge are added at the bottom of the tunnel, the structure is complex, the construction difficulty is high, and the management and the maintenance are not easy.

According to the tailing pond drainage system outlet energy dissipation type water collecting pond, as shown in fig. 1 to 3, the tailing pond drainage system outlet energy dissipation type water collecting pond comprises a water collecting pond body 1, a water return pump station 2 and a drainage system, an energy dissipation structure is arranged in the water collecting pond body 1 and comprises at least two parallel guide walls 4, the extending direction of the guide walls 4 is angled to the inlet water flow direction, a certain width is reserved between the guide walls and a pond wall on one side of the water collecting pond to form a guide channel for water flow to pass through, the water return pump station 2 is arranged on one side of the water collecting pond body 1 and is communicated with the water collecting pond body 1, and the drainage system is arranged on the outer side wall of the water collecting pond body 1 and is communicated with the water collecting pond body 1. The high-speed water flow entering the water collecting tank from the outlet of the drainage system forms a flooding water flow rolling towards the water inlet direction of the water collecting tank under the blocking of the first diversion wall 4 nearest to the water collecting tank body 1, the flooding water flow and the water flow entering the water collecting tank (the water flow entering the water collecting tank) are mutually rubbed, mixed and sheared, the water flow turbulence is large, kinetic energy is quickly attenuated through the energy dissipation effect of underflow, the water flow enters between the first diversion wall 4 and the second diversion wall 4 through the diversion channel of the first diversion wall 4 and the tank wall, the water flow path is prolonged under the blocking of the second diversion wall 4, tail water is clarified, the tail water is sequentially repeated along with the number of the diversion walls 4, and finally the water flow reaches the position between the last diversion wall 4 and the tank wall and flows into the water inlet suction chamber of the water return pump station 2. The outlet of the drainage system is not fixed at the position of the water collecting tank and can be flexibly arranged, so that the condition that the included angle exists between the water flow direction of the outlet of the drainage system and the diversion wall 4 to realize underflow energy dissipation is met, the condition that a certain distance from the backwater position is met, the repeated diversion can be realized, and the outlet of the drainage system can be arranged on the inner side wall of any side of the water collecting tank is also required. The drainage system can be communicated with the water collecting tank body 1 through the drainage pipe 3 or the drainage tunnel, the number and the positions of the diversion walls 4 can be flexibly set, the arrangement can be realized according to the positions of the outlets of the drainage system and the backwater positions of the backwater pump stations 2, and the diversion and the extension of the water flow paths can be realized by bypassing. Fig. 2 isbase:Sub>A sectional view in the directionbase:Sub>A-base:Sub>A of fig. 1, and fig. 3 isbase:Sub>A sectional view in the direction B-B of fig. 1.

In some embodiments, as shown in fig. 1, the water collecting tank body 1 has a first side wall and a second side wall which are in the same direction as the inlet water flow, and the first ends of the plurality of guide walls 4 are respectively connected with the first side wall and the second side wall, and the guide walls 4 on the first side wall and the guide walls 4 on the second side wall are staggered.

Specifically, the inlet water flow direction refers to the water flow direction of the inlet of the water collecting tank body 1, the first side wall and the second side wall are the same as the inlet water flow direction, the first side wall and the second side wall are opposite, a plurality of guide walls 4 are distributed in the water collecting tank body 1, the first ends of the guide walls 4 are connected with the first side wall or the second side wall, a guide wall 4 connected with the second side wall is arranged between two adjacent guide walls 4 connected with the first side wall at intervals, namely, the guide walls 4 connected with the first side wall and the guide walls 4 connected with the second side wall are sequentially staggered. The water collecting tank body 1 is positioned at the downstream of the outlet of the tailing pond drainage system and is at a certain distance from a dam footing line at the downstream of the outlet of the tailing pond drainage system. The tailings pond water return pump house can be arranged on the north side of the water collection pond.

In some embodiments, as shown in fig. 1, the direction of extension of the diverter wall 4 is perpendicular to the inlet water flow direction.

Specifically, when the extending direction of the guide wall 4 is perpendicular to the water flow direction of the inlet, the energy dissipation effect of the guide wall 4 on the water flow is optimal, the energy of the water flow is attenuated, and the water flow path is prolonged, so that stable water flow with good flow state can be obtained.

In some embodiments, as shown in fig. 1 to 3, the guide wall 4 is matched with the adjacent guide wall 4 and the bottom of the sump body 1 to form a guide passage.

Specifically, the diversion channel bypasses the water flow along the diversion wall 4, so that the flow path of the water flow can be prolonged, and the width of the diversion channel is related to the size of the water collecting tank and the length of the diversion wall 4.

In some embodiments, as shown in fig. 1 to 3, the first end of the guide wall 4 is connected to the inner side wall of the sump body 1, and the space between the second end of the guide wall 4 and the inner side wall of the opposite side of the sump body 1 is used for communicating the guide channels, and the space of any one adjacent guide wall 4 is located at the opposite side of the sump body 1.

Specifically, the net size of the sump body 1 is 30m×30m, the depth is 4.5m, the length of the guide wall 4 is 25m, the height is 4.0m, the wall thickness is 0.3m, and the width of the guide channel is 5m.

In some embodiments, as shown in fig. 1 and 3, the side of the sump body 1 remote from the drainage system is provided with an overflow 5.

Specifically, the overflow port 5 can drain the water in the water collecting tank, so that overflow safety accidents caused by overflow of the water from the water collecting tank body 1 are avoided.

In some embodiments, as shown in fig. 1, the drainage system comprises at least one drainage pipe 3, the inlet of the drainage pipe 3 is connected with the tailing pond flood drainage system, and the outlet of the drainage pipe 3 is connected with the water collection pond body 1.

Specifically, the drainage system has a plurality of drainage pipes 3, the plurality of drainage pipes 3 are communicated with the water collecting tank body 1, and the outlet of the drainage pipe 3 is positioned at 61m downstream of the outlet of the tailing pond drainage system.

In some embodiments, as shown in fig. 2 and 3, a guard rail 6 is further provided on the sump body 1.

In particular, the guard rail 6 serves to protect personnel from falling.

In some embodiments, the second end of the guide wall 4 has a chamfer that coincides with the direction of water flow.

Specifically, the second end of the guide wall 4, that is, the end adjacent to the guide channel, is provided with a chamfer surface to adjust the water flow direction, so that the benign guide effect can be achieved on the water flow.

In some embodiments, as shown in fig. 2 and 3, the inner side wall of the sump body 1 is provided with a vertical ladder 7.

Specifically, the vertical ladder 7 is arranged on the side wall of the water collecting tank body 1, so that the water tank can be conveniently checked by workers.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. An outlet energy dissipation type water collection tank of a tailing pond drainage system, which is characterized by comprising:

the water collecting tank comprises a water collecting tank body, wherein an energy dissipation structure is arranged in the water collecting tank body and comprises at least two guide walls which are parallel to each other, and the extending direction of the guide walls is angled with the inlet water flow direction;

the water return pump station is arranged at one side of the water collecting tank body and is communicated with the water collecting tank body;

and the drainage system is arranged on the outer side wall of the water collecting tank body and is communicated with the water collecting tank body.

2. The energy dissipating water collecting pond of the outlet of the tailing pond drainage system according to claim 1, wherein the water collecting pond body is provided with a first side wall and a second side wall which are the same as the inlet water flow direction, the first ends of the plurality of diversion walls are respectively connected with the first side wall and the second side wall, and the diversion walls on the first side wall and the diversion walls on the second side wall are distributed in a staggered mode.

3. The tailings pond drainage system outlet energy dissipating catch basin of claim 2, wherein the diverter wall extends in a direction perpendicular to the inlet water flow direction.

4. The energy dissipating catch basin of claim 1, wherein the diverter wall cooperates with adjacent diverter walls and the bottom of the catch basin body to form a diverter channel.

5. The energy dissipating catch basin of claim 4, wherein a first end of the diverter wall is connected to an inner sidewall of the catch basin body, a spacing between a second end of the diverter wall and the inner sidewall on an opposite side of the catch basin body is used to communicate with the diverter channel, and a spacing of any one adjacent diverter wall is on the opposite side of the catch basin body.

6. The energy dissipating catch basin of claim 1, wherein the catch basin body has an overflow on a side thereof remote from the drainage system in communication with downstream valleys.

7. The tailings pond drainage system outlet energy dissipating catch basin of claim 1, wherein the drainage system comprises at least one drain pipe or drain tunnel, wherein an inlet of the drain pipe or drain tunnel is connected to the tailings pond drainage system, and wherein an outlet of the drain pipe or drain system is connected to the catch basin body.

8. The energy dissipation type water collection tank for the outlet of the tailing pond drainage system according to claim 1, wherein a protective guard is further arranged on the water collection tank body.

9. The energy dissipation type water collection tank for the outlet of the tailing pond drainage system according to claim 1, wherein the inner side wall of the water collection tank body is provided with a vertical ladder.