CN211973516U - But wet tailing storehouse system of arranging of prevention of seepage type of dilatation - Google Patents
But wet tailing storehouse system of arranging of prevention of seepage type of dilatation Download PDFInfo
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- CN211973516U CN211973516U CN201922353703.3U CN201922353703U CN211973516U CN 211973516 U CN211973516 U CN 211973516U CN 201922353703 U CN201922353703 U CN 201922353703U CN 211973516 U CN211973516 U CN 211973516U
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Abstract
The utility model discloses a but wet row of tailing storehouse system of prevention of seepage type of dilatation mainly includes that the tailing piles up dam, overflow channel, drainage open channel, clear pond, wherein: the tailing accumulation dam is arranged on the tailing pond and is arranged within the boundary line of the seepage-proofing range of the tailing pond; the tailing stacking dam comprises a stacking sub-dam and a tailing dumping and drawing position; the overflow channel is arranged between the stacking sub-dam and the boundary line of the seepage-proofing range, the overflow channel is generally in an inverted trapezoid shape, one side of the overflow channel is a seepage-proofing side slope in the tailing pond, and the other side of the overflow channel is an outer slope of the stacking sub-dam; the clarified water pond is arranged in a downstream area around the tailing pond; the drainage open channel is arranged at the bottom of the tailing pond and is connected with the clarification tank. The system realizes accumulation and dam building through ore drawing, can greatly increase the storage capacity, prolong the service life of the tailing pond for mines, save the storage capacity and investment of a newly-built tailing pond, save land and create huge benefits for mine enterprises.
Description
Technical Field
The utility model relates to a non-colliery mountain field especially relates to mine tailing storehouse dilatation field, specifically is a but wet row of tailing storehouse system of prevention of seepage type of dilatation for non-colliery mountain field.
Background
The tailing pond is a place which is formed by building a dam to intercept a valley opening or enclosing the ground and is used for piling metal or nonmetal mines and discharging tailings or other industrial waste residues after ore sorting. With the recent environmental protection emphasis of the nation, the implementation of the general industrial solid waste storage and disposal site pollution control standard, which is issued by the regulation of the national solid waste pollution environmental prevention law of the people's republic of China, has prompted the need for full-reservoir level seepage prevention of many tailings meeting the II-class standard during stockpiling. Generally, the tailings pond adopts one-step dam construction, and is subjected to wet discharge through a conveying pipeline to the pond for stacking, and the tailings pond of the type is called as an anti-seepage wet discharge tailings pond.
The seepage-proofing wet-discharge tailing pond is not discharged into tailings only by using dam crest elevation. In order to maintain continuous production, mine enterprises generally adopt a new seepage-proofing tailings pond close to an established tailings pond, especially in a relatively flat zone. However, a newly-built tailing pond needs large-area land acquisition, large investment and long construction period. If the established tailings pond can be fully utilized for expansion, or one less tailings pond can be built. Or after the second tailing pond is newly built, if the two tailing ponds are fully utilized to form linkage, the storage capacities of the two tailings ponds are greatly increased, and benefits are created for enterprises.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide a wet tailing storehouse system of prevention of seepage type that can expand, through utilizing newly-increased clean pond as the cistern of having served to the final tailing storehouse to can carry out "wearing the cap" expansion of anti-heap in the tailing storehouse, solve the problem that the wet tailing storehouse of prevention of seepage type can't effectively expand the capacity in the final stage, can realize expanding the wet tailing storehouse of prevention of seepage type that has served to the final stage.
In order to achieve the above object, the present invention provides a method for manufacturing a semiconductor device, comprising:
the utility model provides a but wet tailing storehouse system of arranging of prevention of seepage type of dilatation which characterized in that mainly includes tailing heap dam, overflow channel, drainage open channel, clear water pond, wherein: the tailing accumulation dam is arranged on the tailing pond and is arranged within the boundary line of the seepage-proofing range of the tailing pond; the tailing stacking dam comprises a stacking sub-dam and a tailing dumping and drawing position; the overflow channel is arranged between the stacking sub dam and the seepage-proofing range boundary line and is used for discharging overflow or seepage water during ore drawing arranged between the tailing stacking dam and the seepage-proofing range boundary line; the overflow channel is generally in an inverted trapezoid shape, one side of the overflow channel is an anti-seepage side slope in the tailing pond, and the other side of the overflow channel is an outer slope of the stacking sub-dam; the clarified water tank is arranged in a downstream area around the tailing pond and used for draining and storing accumulated water in the tailing pond; the drainage open channel is arranged at the bottom of the tailing pond and is connected with the clarification tank, so that the requirement of draining accumulated water in the tailing pond to a newly built clarification tank at the downstream is met.
Furthermore, the stacking sub-dam is formed by stacking coarse tailings in a tailing pond or local soil stones or film bags.
Furthermore, the height of the overflow channel is 1-3 m lower than that of the top of the boundary line in the seepage prevention range, and the bottom width is 2-10 m.
Furthermore, an impermeable layer is arranged at the bottom of the clarified water pond; the clarification tank is a newly-built clarification tank or a clarification water tank adjacent to the newly-built tailing pond.
Furthermore, the inner surface of the drainage open channel is provided with an impermeable layer.
When wet ore discharge is carried out at the top of the stacking sub-dam, the beach surface in the storage is required to rise uniformly. And when the beach surface in the reservoir rises to the top of the stacking sub-dam, continuously stacking the ore-drawing sub-dam, and circularly drawing the ore until the ore is stacked to the final expansion elevation, so that a large amount of newly-added reservoir capacity can be obtained.
The beneficial effects of the utility model
The utility model provides a but wet row of tailing storehouse system of prevention of seepage type of dilatation creatively provides the cistern of drainage flood discharge when utilizing newly-built clear water pond or the newly-built tailing storehouse next-door neighbour's clear water pond to serve the tailing storehouse of final stage to raise the dilatation as the anti-heap, has solved the problem that can't effectively expand the dilatation of prevention of seepage type tailing storehouse final stage. The system utilizes the dam body and the horizontal seepage-proofing system of the existing tailing pond, only adds the overflow channel and the drainage open channel on the premise of not adding new land basically, realizes accumulation and damming through ore drawing under the condition of clearing the water pond, can greatly increase the storage capacity, particularly obtains huge storage capacity in the expansion of a plurality of large-area tailing ponds, prolongs the service life of the tailing pond for mines, saves the storage capacity and investment of newly-built tailing ponds, creates huge income for mine enterprises, and can save land at the same time.
Drawings
Fig. 1 is a schematic cross-sectional view of an expandable anti-seepage wet tailing pond system according to an embodiment of the present invention;
fig. 2 is a schematic plan view of an expandable anti-seepage wet tailing pond system according to an embodiment of the present invention;
in the figure: 1-tailing dam, 2-tailing reservoir, 3-seepage-proofing range boundary line, 4-overflow channel, 5-newly-added reservoir capacity, 6-tailing accumulation dam, 7-clear water tank and 8-drainage open channel.
Detailed Description
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the embodiments will be briefly described below, and obviously, the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained according to the drawings without creative efforts for those skilled in the art.
The following is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
An expandable anti-seepage wet-discharge tailing pond system mainly comprises a tailing accumulation dam 6, an overflow channel 4, a drainage open channel 8 and a clarification water pond 7, wherein the tailing accumulation dam 6 is arranged on a tailing pond 2 which is served to the final stage and is arranged within an anti-seepage range boundary line 3 of the tailing pond 2; the tailing stacking dam 6 comprises a stacking sub dam and a tailing dumping and drawing position; the stacking sub-dam is formed by stacking crude tailings in a raw tailing reservoir or local soil stones or film bags. The overflow channel 4 is arranged between the stacking sub dam and the seepage-proofing range boundary line and is used for discharging overflow or seepage water during ore drawing arranged between the tailing stacking dam and the seepage-proofing range boundary line; the overflow channel 4 is generally in an inverted trapezoid shape, one side of the overflow channel is an anti-seepage side slope in an original tailing pond, the other side of the overflow channel is an outer slope of a stacking sub-dam, the height of the overflow channel is about 1-3 m lower than the height of a boundary line in an anti-seepage range, and the width of the overflow channel is 2-10 m. The clarified water tank 7 is arranged in the downstream area around the tailing pond and used for draining and storing accumulated water in the tailing pond; the clarification tank is a newly-built clarification tank or a clarification water tank adjacent to the newly-built tailing pond. The drainage open channel 8 is arranged at the bottom of the tailing pond and is connected with the clarifying pool 7 so as to meet the requirement that accumulated water in the tailing pond which is served to the final stage is drained to a newly-built clarifying pool at the downstream. An impermeable layer is arranged at the bottom of the clarified water pool; and the inner surface of the drainage open channel is provided with an impermeable layer.
The specific expansion is realized by the following steps: 1. firstly, a clear water pond 7 is newly built in a downstream area of a tailing dam 1 of a tailing pond 2 which is served to the final stage; the clear water tank needs to be horizontally impermeable; the clarification tank can also be a clarification tank in an adjacent newly-built tailing pond.
2. Arranging a drainage open channel 8 in the tailing pond 2 which is served to the final stage; the drainage open channel needs horizontal seepage prevention; the drainage open channel can meet the requirement of draining accumulated water in the tailing pond served to the final stage to a newly-built downstream clarification tank.
3. Arranging a tailing stacking dam 6 within a boundary line 3 of an impermeable range of a tailing pond 2 from service to the final stage; the tailing stacking dam 6 comprises a stacking sub dam and tailing dumping and ore drawing; the stacking sub-dam can be built by adopting the rough tail in a warehouse, can also be built by adopting local soil stones, can also be built by adopting known process modes such as film bag dam building and the like;
4. arranging an overflow channel 4 between the stacking sub-dam and the boundary line of the seepage-proofing range; the overflow channel 4 is generally in an inverted trapezoid shape, one side of the overflow channel is an in-reservoir seepage-proofing side slope, and the other side of the overflow channel is an outer slope of the stacking sub-dam; the overflow channel 4 is lower than the top elevation of the boundary line in the seepage-proofing range by about 1-3 m, and the bottom width is 2-10 m.
5. And carrying out wet ore discharge at the top of the stacking sub-dam, and requiring the beach surface in the storage to rise uniformly.
6. When the beach surface in the warehouse rises to the top of the sub-dam, the ore drawing sub-dam can be continuously piled up, ore drawing is circulated until the ore is piled up to the final expansion elevation, and a large amount of newly added storage capacity 5 with caps can be obtained.
Example (b):
the final effective storage capacity of the original design of a certain tailing pond is about 6400 multiplied by 104m3, and the top area of the tailing pond is about 270 multiplied by 104m 3 By implementing the scheme of wet tailing discharge and accumulation damming, the height is increased by about 15m, and the capacity of a newly-obtained reservoir is about 2800 x 104m3 directly on the original reservoir, thereby creating great benefits for enterprises.
Claims (5)
1. The utility model provides a but wet tailing storehouse system of arranging of prevention of seepage type of dilatation which characterized in that mainly includes tailing heap dam, overflow channel, drainage open channel, clear water pond, wherein: the tailing accumulation dam is arranged on the tailing pond and is arranged within the boundary line of the seepage-proofing range of the tailing pond; the tailing stacking dam comprises a stacking sub-dam and a tailing dumping and drawing position; the overflow channel is arranged between the stacking sub dam and the seepage-proofing range boundary line and is used for discharging overflow or seepage water during ore drawing arranged between the tailing stacking dam and the seepage-proofing range boundary line; the overflow channel is in an inverted trapezoid shape, one side of the overflow channel is an anti-seepage side slope in the tailing pond, and the other side of the overflow channel is an outer slope of the stacking sub-dam; the clarified water tank is arranged in a downstream area around the tailing pond and used for draining and storing accumulated water in the tailing pond; the drainage open channel is arranged at the bottom of the tailing pond and is connected with the clarification tank, so that the requirement of draining accumulated water in the tailing pond to a newly built clarification tank at the downstream is met.
2. The expandable seepage prevention type wet-discharge tailing pond system according to claim 1, wherein the stacking sub-dam is formed by stacking coarse tailings in a tailing pond or local soil stones or film bags.
3. The expandable seepage-proofing wet tailings pond system of claim 1, wherein the overflow channel is about 1-3 m lower than the top elevation of the seepage-proofing range boundary line and 2-10 m wider at the bottom.
4. The expandable impermeable wet tailings pond system of claim 1 wherein the clarified pond has an impermeable layer at the bottom; the clarification water tank is a newly-built clarification tank or a clarification water tank in an adjacent newly-built tailing pond.
5. The expandable impermeable wet tailings pond system of claim 1 wherein the inner surface of the open drainage channel is impermeable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922353703.3U CN211973516U (en) | 2019-12-25 | 2019-12-25 | But wet tailing storehouse system of arranging of prevention of seepage type of dilatation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922353703.3U CN211973516U (en) | 2019-12-25 | 2019-12-25 | But wet tailing storehouse system of arranging of prevention of seepage type of dilatation |
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| CN211973516U true CN211973516U (en) | 2020-11-20 |
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| CN201922353703.3U Active CN211973516U (en) | 2019-12-25 | 2019-12-25 | But wet tailing storehouse system of arranging of prevention of seepage type of dilatation |
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