CN211872894U - Initial dam of upstream method damming tailings pond - Google Patents
Initial dam of upstream method damming tailings pond Download PDFInfo
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- CN211872894U CN211872894U CN201921790744.2U CN201921790744U CN211872894U CN 211872894 U CN211872894 U CN 211872894U CN 201921790744 U CN201921790744 U CN 201921790744U CN 211872894 U CN211872894 U CN 211872894U
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Abstract
The utility model discloses an initial stage dam in upper reaches method dam construction tailing storehouse, initial stage dam includes: the two sides of the main dam body are respectively inside and outside the reservoir; the impervious pile body is positioned in the warehouse and positioned at the lower part of the main dam body; a seepage drainage layer which is laid in the warehouse; the water collecting pipe is embedded in the seepage drainage layer and laid parallel to the axis of the main dam body; and the flow guide pipe penetrates through the bottoms of the main dam body and the impermeable pile body, one end of the flow guide pipe extends into the warehouse and is connected with the water collecting pipe, and the other end of the flow guide pipe extends out of the warehouse so as to communicate the warehouse with the outside of the warehouse. According to the utility model discloses an initial dam, through setting up waterproof heap body, row's infiltration layer, collector pipe and honeycomb duct, tailing storehouse construction period can the water conservancy diversion, and the initial stage of operation can prevent that the tailing from "running muddy", and the later stage can also provide long-term effectual bottom of the reservoir row system of oozing in the operation.
Description
Technical Field
The utility model belongs to the tailing storehouse field particularly, relates to an initial dam of tailing storehouse is built to upper reaches method.
Background
In the related technology, during the construction of the initial dam, two sets of systems, namely a diversion system and a drainage system, need to be built at the same time, so that the capital investment is high; at the initial stage of operation of the tailing pond, the seepage amount is large, muddy running is easy to form, and the environment pollution is easy to cause due to insufficient capacity of downstream seepage recovery facilities; after the tailing pond starts to pile up the dam, the inner slope of the initial dam is covered by the tailing piled body, the water permeability is poor, and drainage and seepage facilities are often required to be additionally arranged in the piled-up dam for drainage and seepage.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide an initial stage dam in upper reaches method dam tailings reservoir, but the water conservancy diversion during initial stage dam construction, the operation back row oozes, prevents to run muddy effectual.
According to the utility model discloses initial dam of tailing storehouse is built to upper reaches method includes: the dam body is a permeable rock-fill body, and two sides of the dam body are respectively inside and outside the reservoir; a watertight stack located within the garage and below the main dam; a seepage drainage layer which is laid in the warehouse; the water collecting pipe is embedded in the seepage drainage layer and laid parallel to the axis of the main dam body; and the diversion pipe penetrates through the main dam body and the bottom of the impervious pile body, one end of the diversion pipe extends into the warehouse and is connected with the water collection pipe, and the other end of the diversion pipe extends out of the warehouse so as to communicate the warehouse with the warehouse.
According to the utility model discloses an initial dam, through setting up waterproof heap body, row's infiltration layer, collector pipe and honeycomb duct, tailing storehouse construction period can the water conservancy diversion, and the initial stage of operation can prevent that the tailing from "running muddy", and the later stage can also provide long-term effectual bottom of the reservoir row system of oozing in the operation.
According to the utility model discloses an initial dam of an embodiment, the drainage and seepage layer is filled by thick coarse sand and is formed. According to the utility model discloses an initial dam of an embodiment, the collector pipe is buried underground arrange in the infiltration layer, just the collector pipe is parallel the axis of the dam body is laid.
According to the utility model discloses an initial dam of an embodiment, the thickness on drainage and seepage layer is T, and T satisfies: t is more than or equal to 50cm and less than or equal to 200 cm.
The utility model discloses a according to the utility model discloses an initial dam of an embodiment, the collector pipe is the strainer pipe of a plurality of inlet openings of pipe wall distribution.
According to the utility model discloses an initial dam of an embodiment, the outside parcel one deck geotechnological cloth of collector pipe.
According to the utility model discloses an initial dam of an embodiment, the honeycomb duct is a plurality of, and is a plurality of the honeycomb duct interval sets up, just the honeycomb duct with the collector pipe intercommunication.
According to the utility model discloses an initial dam of an embodiment, the collector pipe with the honeycomb duct is made by high density polyethylene material.
According to the utility model discloses an initial dam of an embodiment, the dam body is filled by the rock-fill, impervious heap is formed for filling with the fine grain soil material.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic cross-sectional view of an initial dam according to an embodiment of the present invention;
fig. 2 is a schematic plan view of an initial dam according to an embodiment of the present invention;
reference numerals:
an initial dam 100;
a main dam body 1; a watertight stack 2; a seepage drainage layer 3; a water collecting pipe 4; a draft tube 5; a drain valve 6; a storage 7; outside the warehouse 8; and a seepage intercepting dam 9.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
An initial dam 100 according to an embodiment of the present invention is described below with reference to fig. 1 and 2.
As shown in fig. 1 and 2, the initial dam 100 according to the present invention includes: the dam comprises a main dam body 1, a watertight pile body 2, a drainage and seepage layer 3, a water collecting pipe 4 and a flow guide pipe 5.
In the field of mineral products, a preliminary dam 100 may be constructed to intercept a place where tailings or other industrial waste residues are discharged after ore dressing is performed, to form a tailings pond.
The two sides of the main dam body 1 are an inside reservoir 7 and an outside reservoir 8 respectively, wherein the inside reservoir 7 of the main dam body 1 is formed into an initial tailing reservoir, tailings and industrial waste residues discharged from a mine are stored in the inside reservoir 7, the outside reservoir 8 is the outside of the tailing reservoir of the tailing dam 100, and seepage water in the tailing reservoir can be discharged from the tailing reservoir to the outside reservoir 8.
The impermeable pile body 2 is positioned in the reservoir 7 of the dam body of the initial dam 1, the main dam body 1 is used for forming the main body of the initial dam 100, the impermeable pile body 2 is positioned at the lower part of the main dam body 1 of the reservoir 7, the impermeable pile body 2 has waterproof property, and water in the reservoir 7 cannot penetrate through the impermeable pile body 2, so that water in the tailing reservoir cannot penetrate through the initial dam 100, and the tailing reservoir is prevented from running muddy at the initial running stage.
The drainage and seepage layer 3 is laid in the warehouse 7, and the water collecting pipe 4 is buried in the drainage and seepage layer 3 and laid parallel to the axis of the main dam body.
The draft tube 5 runs through the bottom of the main dam body 1 and the bottom of the impermeable pile body 2, one end of the draft tube 5 extends into the reservoir 7 and is connected with the water collecting pipe 4, the other end of the draft tube 5 extends out of the reservoir 8 to communicate the reservoir 7 with the reservoir 8, the draft tube 5 can be used for draining and permeating water in the tailing reservoir, water in the tailing reservoir can be drained out of the tailing reservoir from the draft tube 5, in some examples, a drain valve 6 is arranged at one end, located outside the reservoir 8, of the draft tube 5, and the drain valve 6 is used for controlling on-off of the permeating water from the reservoir 7 to the reservoir 8.
When the initial dam is constructed, the guide pipe 5 can be used for discharging water in the reservoir 7, damming is facilitated, the arrangement of the impermeable pile body 2 can prevent the tailing reservoir from 'running muddy' in the initial stage, the water collecting pipe 4 can be connected with the guide pipe 5 after the initial dam has a water storage condition, and the guide pipe 5 is matched with the seepage drainage layer 3 and the water collecting pipe 4 and can be used for draining seepage in the tailing reservoir and discharging seepage out of the tailing reservoir. In some embodiments, the drainage layer 3 is filled with thick coarse sand, and the drainage layer 3 is convenient to lay and low in cost.
In some examples, the thickness of the drainage layer 3 is T, which satisfies: a drainage layer 3 of this thickness is effective when L is 50 cm. ltoreq.L.ltoreq.200 cm, for example T.ltoreq.100 cm.
In some examples, as shown in fig. 2, a cut-off dam 9 may be built outside the reservoir 8 of the initial dam 100, and the seeping water may be collected by the cut-off dam 9 after being discharged from the draft tube 5 to the outside of the reservoir 8, so as to be treated.
According to the utility model discloses an initial dam 100, through setting up dam body 1, waterproof heap body 2, row's ooze layer 3, collector pipe 4 and honeycomb duct 5, make initial dam 100 can prevent "run muddy", and initial dam 100 can also provide the long-term effectual tailing storehouse end row system of oozing.
Some embodiments of an initial dam 100 according to the present invention are described below with reference to fig. 1 and 2.
In some embodiments, as shown in fig. 2, there are a plurality of draft tubes 5, the draft tubes 5 are arranged at intervals, the arrangement of the draft tubes 5 can enhance the water seepage drainage capability of the initial dam 100, and the number of the draft tubes 5 can be determined according to the drainage and drainage radial flow in the tailing pond.
In some embodiments, as shown in fig. 1 and 2, the initial dam 100 further includes a water collecting pipe 4, the water collecting pipe 4 extends along the interval of the plurality of flow guiding pipes 5, and the water collecting pipe 4 is communicated with the plurality of flow guiding pipes 5, and the water collecting pipe 4 is used for collecting the seepage water and guiding the seepage water to the plurality of flow guiding pipes 5, so as to enhance the seepage drainage capability of the initial dam 100.
In some embodiments, the water collecting pipe 4 is a strainer with a plurality of water inlets distributed on the pipe wall, so that the water inlets of the water collecting pipe 4 are more, the water seepage effect is better, and the water collecting pipe 4 can prevent tailings and small stones from entering the water inlet pipe, thereby preventing the water collecting pipe 4 or the flow guiding pipe 5 from being blocked.
In some embodiments, the outside of the water collecting pipe 4 is wrapped with a layer of geotextile, and the geotextile can be used for filtering and seeping water, so as to further prevent small stones or tailings from entering the water collecting pipe 4.
In some embodiments, the water collecting pipe 4 and the draft tube 5 are both made of high density polyethylene material, and the wear resistance, electrical insulation, toughness and cold resistance of the water collecting pipe 4 and the draft tube 5 are better; the chemical stability is good, and the drainage reliability of the tailing dam 100 is further improved.
In some embodiments, the dam body 1 is filled with rockfill, and the watertight body 2 is filled with fine-grained soil, so that the dam body 1 and the watertight body 2 are constructed at low cost, and the construction method is simple and has good seismic performance.
A construction process of the initial dam 100 according to an embodiment of the present invention will be described with reference to fig. 1 and 2.
One stream passes through a dam site area at one side of an initial dam 100 to be built, three guide pipes are buried under the initial dam 100 (namely under a main dam body 1 and a watertight pile body 2) before construction, a drain valve 6 is arranged at one end of each guide pipe 5, which is positioned outside a reservoir 8, and the drain valve 6 is used for controlling the connection and disconnection of seepage water from the reservoir 7 to the reservoir outside the reservoir 8.
Coarse sand with the thickness of 100cm is arranged in the range of 100 meters in an initial warehouse 7 to serve as a drainage layer 3, a water filter pipe with a plurality of water inlet holes is buried below the drainage layer 3 to serve as a water collecting pipe 4, and a layer of geotextile is wrapped outside the water collecting pipe 4 to prevent impurities such as tailings, small stones and the like from entering the water collecting pipe 4. The water collecting pipe 4 is connected with the guide pipe 5 which is embedded previously, and can discharge the seepage water into the collecting pool of the interception dam 9 under the dam.
The slope of the outer side slope in the initial dam is 1: 2, the ratio of the width of the side slope of the initial dam 100 to the height of the side slope of the tailing dam 100 is 1/2, the initial dam 100 is filled by two parts, namely a main dam body 1 and a watertight pile 2, the main dam body 1 is filled by rockfill, and the lower part of the main dam body 1 of the reservoir 7 is filled by fine-grained soil to form the watertight pile 2.
From this, according to the utility model discloses a 100 water conservancy diversion of initial dam and drainage and infiltration can share honeycomb duct 5, collector pipe 4 etc. avoid two sets of systems of independent construction, save the engineering investment, and can effectively prevent to run muddy at the tailing storehouse initial stage of operation, and initial dam 100 can also provide the long-term effectual tailing storehouse end drainage and infiltration system to the adjustable control infiltration capacity.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 present invention. In this specification, the schematic representations of the terms used above do not necessarily refer 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.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. An initial dam of an upstream damming tailings pond, comprising:
the two sides of the main dam body are respectively inside and outside the reservoir;
a watertight stack within the garage and below the main dam;
the seepage drainage layer is laid in the warehouse;
the water collecting pipe is wrapped in the seepage drainage layer and laid in parallel with the axis of the main dam body;
and the flow guide pipe penetrates through the bottoms of the main dam body and the impermeable pile body, one end of the flow guide pipe extends into the warehouse and is connected with the water collecting pipe, and the other end of the flow guide pipe extends out of the warehouse and is communicated with the warehouse and the outside of the warehouse.
2. The initial dam of an upstream damming tailings pond of claim 1 wherein the drainage layer is filled with coarse sand.
3. The initial dam of the upstream method dam tailing pond according to claim 1, wherein the water collecting pipe is buried in the drainage layer, and the water collecting pipe is laid parallel to the axis of the main dam body.
4. The initial dam of the upstream damming tailings pond according to claim 3, wherein the water collecting pipe is a strainer with a plurality of water inlets distributed on the pipe wall.
5. The initial dam of the upstream dammed tailing pond according to claim 3, wherein the outside of the water collecting pipe is wrapped with a layer of geotextile.
6. The initial dam of the upstream normal dam tailing pond of claim 1, wherein the flow guide pipe is provided in plurality, the flow guide pipes are arranged at intervals, and the flow guide pipe is communicated with the water collecting pipe.
7. The initial dam of the upstream damming tailings pond of any of claims 1 to 6, wherein the draft tube and the header tube are both made of a high density polyethylene material.
8. The initial dam of the tailings pond with upstream method dam according to any one of claims 1 to 6, wherein the main dam body is filled with rockfill, and the watertight pile body is filled with fine-grained soil.
9. The initial dam of the upstream dam tailings pond according to claim 8, wherein the thickness of the drainage layer is T, and T satisfies: t is more than or equal to 50cm and less than or equal to 200 cm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921790744.2U CN211872894U (en) | 2019-10-22 | 2019-10-22 | Initial dam of upstream method damming tailings pond |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921790744.2U CN211872894U (en) | 2019-10-22 | 2019-10-22 | Initial dam of upstream method damming tailings pond |
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| CN211872894U true CN211872894U (en) | 2020-11-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110656629A (en) * | 2019-10-22 | 2020-01-07 | 中国恩菲工程技术有限公司 | Initial dam of upstream method damming tailings pond |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110656629A (en) * | 2019-10-22 | 2020-01-07 | 中国恩菲工程技术有限公司 | Initial dam of upstream method damming tailings pond |
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