CN219240777U - Tailing pond flood drainage system - Google Patents

Abstract

The utility model discloses a tailing pond flood drainage system which comprises drainage modules, a first flood discharge module, a water storage module and a second flood discharge module, wherein the drainage modules are suitable for being arranged on a dam body of a tailing pond, the upstream inlets of the drainage modules are communicated with a storage area of the tailing pond, the drainage modules are constructed in a staged mode along with the rising of the dam body of the tailing pond, the first flood discharge module is suitable for being arranged on the dam body of the tailing pond, the downstream outlets of the drainage modules are communicated with the upstream inlets of the first flood discharge module, the water storage module is arranged at the downstream of the first flood discharge module and is communicated with the downstream outlet of the first flood discharge module, the second flood discharge module is arranged in the dam body of the tailing pond, the upstream inlets of the second flood discharge module are communicated with the storage area of the tailing pond, and the downstream outlets of the second flood discharge module are communicated with the upstream inlets of the water storage module. The tailing pond flood drainage system adopts double rows Hong Mokuai, so that the reliability of the tailing pond flood drainage system is improved.

Description

Tailing pond flood drainage system

Technical Field

The utility model belongs to the technical field of tailing pond drainage, and particularly relates to a tailing pond flood drainage system.

Background

The key of the arrangement of the tailing pond flood drainage system is the position of a water inlet structure, the position of a discharge opening on a tailing pond dam by a neutral line tailing dam construction method is continuously changed in the use process, and the distance between the water inlet structure and the discharge opening can always meet the requirements of flood drainage and clarification of tailing water.

The tailing pond flood drainage system is used as a flood drainage facility for a long time in the service period of the tailing pond and even after the tailing pond is closed, is long in duration, is easily influenced by environment, and particularly for areas with heavy rain and heavy rain, the reliability of the flood drainage system is difficult to ensure.

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 a tailing pond flood drainage system, which adopts double rows Hong Mokuai, so that the reliability of the tailing pond flood drainage system is improved.

The tailing pond flood drainage system comprises a drainage module, a first flood drainage module, a water storage module and a second flood drainage module, wherein the drainage module is suitable for being arranged on a dam of a tailing pond, an upstream inlet of the drainage module is communicated with a pond area of the tailing pond, a plurality of drainage modules are built in stages along with rising of the dam of the tailing pond, the first flood drainage module is suitable for being arranged on the dam of the tailing pond, downstream outlets of the drainage modules are communicated with an upstream inlet of the first flood drainage module, the water storage module is arranged at the downstream of the first flood drainage module and is communicated with a downstream outlet of the first flood drainage module, the second flood drainage module is arranged in the dam of the tailing pond, an upstream inlet of the second flood drainage module is communicated with the pond area of the tailing pond, and a downstream outlet of the second flood drainage module is communicated with an upstream inlet of the water storage module.

According to the tailing pond flood drainage system, the first flood drainage module is arranged on the dam body of the tailing pond and is an open-air structure, so that the construction is convenient, the requirements on the foundation geological conditions and the construction conditions are relatively low, the operation condition is convenient to observe, the inspection maintenance in the using process is convenient, the reliability is high, and the post inspection maintenance is convenient; the first flood discharging module and the second flood discharging module form a double flood discharging structure, and flood discharging is carried out on the tailing pond area together, so that the reliability of a tailing pond flood discharging system is improved, and the safety of the tailing pond is improved.

In some embodiments, the second flood discharge module comprises a drainage chute and a drain pipe, an upstream inlet of the drainage chute is in communication with the reservoir area of the tailings pond, a downstream outlet of the drainage chute is in communication with the upstream inlet of the drain pipe, and a downstream outlet of the drain pipe is in communication with the upstream inlet of the water storage module.

In some embodiments, the second flood discharge module comprises drainage wells and drainage tunnels, wherein an upstream inlet of each drainage well is communicated with a reservoir area of the tailing pond, a plurality of drainage wells are built in stages along with the rising of a dam body of the tailing pond, downstream outlets of the drainage wells are communicated with an upstream inlet of each drainage tunnel, and a downstream outlet of each drainage tunnel is communicated with an upstream inlet of the water storage module.

In some embodiments, the drainage module comprises a spillway, the spillway is obviously arranged on a dam body of the tailing pond, the spillway is an open spillway, an upstream inlet of the spillway is communicated with a pond area of the tailing pond, and a downstream outlet of the spillway is communicated with an upstream inlet of the first flood discharge module.

In some embodiments, the spillway is a reinforced concrete spillway and/or a plain concrete spillway.

In some embodiments, the first flood discharge module comprises a steep tank, the steep tank is obviously arranged on a dam body of the tailing pond, an upstream inlet of the steep tank is communicated with a downstream outlet of the drainage module, a downstream outlet of the steep tank is communicated with an upstream inlet of the water storage module, and the length of the steep tank increases from stage to stage along with the staged construction of the drainage module.

In some embodiments, the water storage module comprises a stilling basin and a tailcanal, an upstream inlet of the stilling basin being in communication with a downstream outlet of the first flood discharge module, a downstream outlet of the stilling basin being in communication with an upstream inlet of the tailcanal.

In some embodiments, the system further comprises a water interception ditch, wherein the water interception ditch is formed in the periphery of the tailing pond, and a downstream outlet of the water interception ditch is communicated with the drainage module and/or the first flood discharge module in the final stage.

In some embodiments, the system further comprises an overflow module, wherein the drainage module, the overflow module and the reservoir area of the tailing pond are sequentially communicated, the overflow module is multiple, the overflow module corresponds to the drainage modules one by one, and the drainage modules are built in a period-by-period manner along with the period-by-period construction of the drainage modules.

In some embodiments, the overflow module includes an overflow and an overflow weir, the inlet of the overflow is in communication with the storage area of the tailings pond, the outlet of the overflow is in communication with the upstream inlet of the drainage module, the overflow weir is connected within the overflow, and the overflow weir is located at the overflow inlet.

Drawings

Fig. 1 is a schematic diagram of a tailings pond flood drainage system in accordance with an embodiment of the present utility model.

Figure 2 is a schematic diagram of a second flood discharge module according to an embodiment of the present utility model.

Figure 3 is a schematic diagram of a second flood discharge module according to another embodiment of the present utility model.

Reference numerals:

a dam 100; a warehouse area 200;

a drainage module 1; spillway 11;

a first flood discharge module 2; a steep groove 21;

a water storage module 3; a stilling pool 31; a tail channel 32;

a second flood discharge module 4; a drain chute 41; a drain pipe 42; drainage wells 43; a drainage tunnel 44;

a water intercepting ditch 5;

an overflow module 6; and a spillway 61.

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.

The following describes a tailing pond flood drainage system according to an embodiment of the present utility model with reference to the accompanying drawings.

As shown in fig. 1 to 3, the tailing pond flood drainage system according to the embodiment of the present utility model includes a drainage module 1, a first flood drainage module 2, a water storage module 3, and a second flood drainage module 4.

The drainage module 1 is suitable for being arranged on a dam body 100 of the tailing pond, an upstream inlet of the drainage module 1 is communicated with a pond area 200 of the tailing pond, a plurality of drainage modules 1 are arranged, the drainage modules 1 are built in stages along with the rising of the dam body 100 of the tailing pond, after the dam body 100 of the tailing pond in the next stage is heightened and the drainage modules 1 in the next stage are built, the drainage module 1 in the previous stage is backfilled, so that the distance between the upstream inlet of the drainage module 1 in the working state and the dam top of the corresponding accumulating dam is not smaller than a design value, the drainage module 1 is built in an open mode, the drainage module 1 is in an open-type structure, the open-type drainage module 1 is used as an open-air structure, the requirements on relative ground geological conditions and construction conditions are low, the running condition is convenient to observe, inspection maintenance in the using process is convenient, and the drainage module 1 in the next stage can be used as a part of a permanent flood drainage system after the tailing pond is closed, and the cost is saved.

The first flood discharge module 2 is suitable for being arranged on a dam body 100 of the tailing pond, and downstream outlets of the plurality of drainage modules 1 are communicated with an upstream inlet of the first flood discharge module 2. It can be understood that the first flood discharge module 2 is extended period by period along with the construction of the drainage module 1, that is, when the drainage module 1 of the next period is constructed, the length of the first flood discharge module 2 is extended to enable the upstream inlet of the first flood discharge module 2 to be communicated with the downstream outlet of the drainage module 1 of the next period, so that the tailing pond, the drainage module 1 and the first flood discharge module 2 are ensured to be communicated, and smooth operation of the flood drainage system of the pond area 200 is ensured.

The water storage module 3 is arranged at the downstream of the first flood discharge module 2 and is communicated with the downstream outlet of the first flood discharge module 2, and the water storage module 3 conducts energy dissipation treatment and temporary storage on water flow in the reservoir area 200 so as to prevent the water flow in the reservoir area 200 from damaging downstream facilities.

The second flood discharging module 4 is arranged in the dam body 100 of the tailing pond, the upstream inlet of the second flood discharging module 4 is communicated with the reservoir area 200 of the tailing pond, the downstream outlet of the second flood discharging module 4 is communicated with the upstream inlet of the water storage module 3, the second flood discharging module 4 is built in a hidden mode, the second flood discharging module 4 is hidden in the dam body 100, a shorter route can be adopted, unfavorable topography and geological conditions along the earth surface can be avoided, moreover, the hidden second flood discharging module 4 is not influenced by the earth surface climate, and pollution to water quality along the way can be avoided.

According to the tailing pond flood drainage system provided by the embodiment of the utility model, the first flood drainage module 2 is arranged on the dam body 100 of the tailing pond and is an open-air structure, so that the construction is convenient, the requirements on the relative ground geological conditions and construction conditions are lower, the running condition is convenient to observe, the inspection maintenance in the using process is convenient, the reliability is high, and the post inspection maintenance is convenient; the first flood discharging module 2 and the second flood discharging module 4 form a double-row flood discharging structure, so that the tailings pond area 200 is jointly discharged, the reliability of a tailings pond flood discharging system is improved, and the safety of a tailings pond is improved.

As shown in fig. 2, the second flood discharge module 4 optionally comprises a drain chute 41 and a drain pipe 42, wherein the upstream inlet of the drain chute 41 is in communication with the reservoir area 200 of the tailings pond, the downstream outlet of the drain chute 41 is in communication with the upstream inlet of the drain pipe 42, and the downstream outlet of the drain pipe 42 is in communication with the upstream inlet of the water storage module 3. It will be appreciated that the position of the inlet of the drainage chute 41 is adapted to change its position as the tailings pond 100 rises to ensure that the second flood discharge module 4 is normally discharging flood.

As shown in fig. 3, the second flood discharge module 4 optionally includes drainage wells 43 and drainage tunnels 44, wherein an upstream inlet of the drainage wells 43 is communicated with the reservoir area 200 of the tailing pond, the drainage wells 43 are multiple, the drainage wells 43 are constructed in stages along with the rising of the dam body 100 of the tailing pond so as to ensure that the drainage wells 43 overflow normally, downstream outlets of the drainage wells 43 are communicated with an upstream inlet of the drainage tunnels 44, and a downstream outlet of the drainage tunnels 44 is communicated with an upstream inlet of the water storage module 3.

As shown in fig. 1, in some embodiments, the drainage module 1 includes a spillway 11, where the spillway 11 is clearly disposed on a dam 100 of the tailing pond, so that the spillway 11 is an open spillway 11, that is, the spillway 11 is disposed in the open air, so as to facilitate observation of the operation condition of the spillway 11, facilitate inspection and maintenance during use of the spillway 11, an upstream inlet of the spillway 11 is communicated with a storage area 200 of the tailing pond, and a downstream outlet of the spillway 11 is communicated with an upstream inlet of the first flood discharging module 2. When the water level in the reservoir area 200 of the tailing pond is higher than the design value, water in the reservoir area 200 overflows into the spillway 11, and then the spillway 11 guides the overflowed water into the first flood discharging module, so that the redundant water in the reservoir area 200 is discharged out of the reservoir area 200 of the tailing pond, and the safety of the tailing pond is ensured.

In some embodiments, spillway 11 is a reinforced concrete spillway 11 and/or a plain concrete spillway 11, and spillway 11 can be designed to meet different practical needs based on factors such as actual topography or environment.

As shown in fig. 1, in some embodiments, the first flood discharging module 2 includes a steep groove 21, the steep groove 21 is clearly disposed on a dam body 100 of the tailing pond, so that the steep groove 21 is in a exposed-day structure, so that the operation condition of the steep groove 21 is convenient to observe, inspection and maintenance are convenient to be performed during the use process of the steep groove 21, an upstream inlet of the steep groove 21 is communicated with a downstream outlet of the drainage module 1, a downstream outlet of the steep groove 21 is communicated with an upstream inlet of the water storage module 3, and the length of the steep groove 21 is increased gradually along with the staged construction of the drainage module 1. It will be appreciated that the steep groove 21 has a relatively large gradient, and when the drainage module drains the overflow water to the first flood discharge module 2, the first flood discharge module 2 rapidly drains the overflow water to the water storage module 3, thereby preventing the damage of the drop to the peripheral facilities and reducing the flood discharge time.

As shown in fig. 1, in some embodiments, the impoundment module 3 comprises a stilling basin 31 and a tailcanal 32, an upstream inlet of the stilling basin 31 being in communication with a downstream outlet of the first flood discharge module 2, a downstream outlet of the stilling basin 31 being in communication with an upstream inlet of the tailcanal 32. It can be understood that the overflow water drained to the water storage module 3 by the first flood discharging module 2 and/or the second flood discharging module 4 is discharged through the stilling pool 31, so that the downward rapid flow is changed into slow flow, and the length of the guard is shortened.

As shown in fig. 1, in some embodiments, the system further comprises a water interception ditch 5, the water interception ditch 5 is arranged at the periphery of the tailing pond, and a downstream outlet of the water interception ditch 5 is communicated with the final drainage module 1 and/or the first flood discharge module 2, so that the water interception ditch 5 and the drainage module 1 share downstream facilities, and manpower and material resources are saved.

As shown in fig. 1, in some embodiments, the system further includes an overflow module 6, where the drainage module 1, the overflow module 6 and the reservoir area 200 of the tailings pond are sequentially communicated, and the overflow module 6 has a plurality of overflow modules 6, which are in one-to-one correspondence with the plurality of drainage modules, and are built in a period-by-period manner along with the stage construction of the drainage modules, so as to reduce the influence of the water flow of the tailings pond area 200 on the water flow in the drainage modules.

As shown in fig. 1, in some embodiments, overflow module 6 includes overflow 61 and a weir (not shown), the inlet of overflow 61 is in communication with the reservoir region 200 of the tailings pond, the outlet of overflow 61 is in communication with the upstream inlet of the drainage module 1, the weir is connected within overflow 61, and the weir is positioned at the inlet of overflow 61, the weir blocks the bottom water of the tailings pond region 200 from contacting the water within the drainage module, thereby reducing the influence of the water flow of tailings pond region 200 on the water flow within the drainage module.

In a specific embodiment, as shown in fig. 1, the tailings pond is dammed by adopting a neutral line tailings damming method, the elevation of the top of the initial dam is 215m, the final dam 100 is piled up in 3 stages, the height of each pile is 5m, and the elevation of the top of the final pile is 230m. The tailing pond is a three-class tailing pond, the tailings are discharged in front of the dam, and the gradient of a hundred-meter dry beach in front of the dam is 0.02. The flood control standard of the tailing pond is considered according to the flood meeting of 500 years, the matched flood discharging system adopts an open spillway 11 type, and the spillway 11 is built on a bank slope mountain in a reservoir area 200 along with the construction of the heap of the dam body 100 in stages. The minimum dry beach length requirement in front of the tailing pond is not less than 70m, and the safety super-high in front of the tailing pond is not less than 0.7m.

The water inlet of the first-stage overflow module 6 is 150m from the dam top of the first-stage dam, the elevation of the water inlet point is 212m, the length of the overflow channel 61 is 10m, the rectangular section with the size of 5m multiplied by 3m is adopted, the length of the overflow channel 61 is 140m, the rectangular section with the size of 3m multiplied by 2m is adopted, the length of the first-stage steep groove 21 is 120m, the rectangular section with the size of 2m multiplied by 2m is adopted, the length of the relief pool 31 is 15m, the width of 5m and the depth of 3m are adopted, the length of the tail channel 32 is 30m, and the rectangular section with the size of 3m multiplied by 2m is adopted.

And the spillway 11 in each later period gradually extends inwards along with the rising of the piled-up dam body 100 to be built in stages, and the spillway 11 system in the previous period is plugged and backfilled after the next-period dam body 100 is heightened and the spillway 11 in the next period is put into use. The distance between the inlet of each spillway 11 and the dam top of the corresponding accumulating dam is not smaller than 150m. The water diversion section and the chute structure of the inlet of the spillway 11 in each later period are the same as those in the period 1, and each chute in each period is connected with a steep groove 21 of a dam abutment bank slope. The inlet flow rate of the 2-stage spillway 11 is higher than 217m, the inlet flow rate of the 3-stage spillway 11 is higher than 222m, and the inlet flow rate of the 4-stage spillway 11 is higher than 227m. The intercepting ditches 5 and the final spillway 11 are uniformly arranged, and the first spillway 11 and the bank slope steep groove 21 (the section 21 of the final spillway 11) in the capital construction period are implemented together.

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 the above embodiments have been shown and described, it should 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 of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the utility model.

Claims (10)

1. A tailings pond flood drainage system, comprising:

the drainage module is suitable for being arranged on a dam body of the tailing pond, an upstream inlet of the drainage module is communicated with a storage area of the tailing pond, a plurality of drainage modules are arranged, and the drainage modules are built in a staged mode along with the rising of the dam body of the tailing pond;

the first flood discharge module is suitable for being arranged on a dam body of the tailing pond, and downstream outlets of the drainage modules are communicated with an upstream inlet of the first flood discharge module;

the water storage module is arranged at the downstream of the first flood discharge module and is communicated with a downstream outlet of the first flood discharge module;

the second flood discharge module is arranged in a dam body of the tailing pond, an upstream inlet of the second flood discharge module is communicated with a pond area of the tailing pond, and a downstream outlet of the second flood discharge module is communicated with an upstream inlet of the water storage module.

2. The tailings pond flood drainage system of claim 1 wherein the second flood drainage module comprises a drainage chute and a drainage pipe, the upstream inlet of the drainage chute being in communication with the pond area of the tailings pond, the downstream outlet of the drainage chute being in communication with the upstream inlet of the drainage pipe, the downstream outlet of the drainage pipe being in communication with the upstream inlet of the water storage module.

3. The tailings pond flood drainage system of claim 1 wherein the second flood drainage module comprises drainage wells and drainage tunnels, wherein an upstream inlet of each drainage well is in communication with a pond area of the tailings pond, a plurality of drainage wells are constructed in stages as a dam of the tailings pond rises, a plurality of downstream outlets of each drainage well are in communication with an upstream inlet of each drainage tunnel, and a downstream outlet of each drainage tunnel is in communication with an upstream inlet of the water storage module.

4. The tailings pond flood drainage system of claim 1 wherein the drainage module comprises a spillway that is explicitly positioned on the dam of the tailings pond such that the spillway is an open spillway, the upstream inlet of the spillway is in communication with the pond area of the tailings pond, and the downstream outlet of the spillway is in communication with the upstream inlet of the first flood discharge module.

5. The tailings pond flood drainage system of claim 4, wherein the spillway is a reinforced concrete spillway and/or a plain concrete spillway.

6. The tailings pond flood drainage system of claim 1 wherein the first flood discharge module comprises a steep tank, the steep tank is explicitly disposed on a dam of the tailings pond, an upstream inlet of the steep tank is in communication with a downstream outlet of the drainage module, a downstream outlet of the steep tank is in communication with an upstream inlet of the water storage module, and a length of the steep tank increases from stage to stage as the drainage module is built in stages.

7. The tailings pond flood drainage system of claim 1 wherein the water storage module comprises a stilling basin and a tailcanal, the stilling basin upstream inlet in communication with the first flood discharge module downstream outlet, the stilling basin downstream outlet in communication with the tailcanal upstream inlet.

8. The tailings pond flood drainage system of claim 1, further comprising a water interception trench open at the perimeter of the tailings pond, the downstream outlet of the water interception trench in communication with the final drainage module and/or the first flood discharge module.

9. The tailings pond flood drainage system of claim 1, further comprising an overflow module, wherein the drainage module, the overflow module, and the pond area of the tailings pond are sequentially communicated, wherein the overflow module is a plurality of overflow modules, the overflow modules are in one-to-one correspondence with the drainage modules, and the drainage modules are built in a period-by-period manner along with the periodic construction of the drainage modules.

10. The tailings pond flood drainage system of claim 9, wherein the overflow module comprises an overflow and an overflow weir, wherein the inlet of the overflow is in communication with the pond area of the tailings pond, wherein the outlet of the overflow is in communication with the upstream inlet of the drainage module, wherein the overflow weir is connected within the overflow, and wherein the overflow weir is positioned at the overflow inlet.

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