CN105951849A - Tailings pond potential safety hazard treatment system and treatment method thereof - Google Patents
Tailings pond potential safety hazard treatment system and treatment method thereof Download PDFInfo
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- CN105951849A CN105951849A CN201610475024.1A CN201610475024A CN105951849A CN 105951849 A CN105951849 A CN 105951849A CN 201610475024 A CN201610475024 A CN 201610475024A CN 105951849 A CN105951849 A CN 105951849A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/18—Making embankments, e.g. dikes, dams
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- Mining & Mineral Resources (AREA)
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Abstract
The invention belongs to the technical field of tailings ponds, and particularly relates to a tailings pond potential safety hazard treatment system and a treatment method thereof. The system comprises a reinforcing body arranged on an original initial dam and used for heightening and reinforcing the original initial dam; space formed by the reinforcing body and an original fill dam is used for piling of tailings generated after the original fill dam is subjected to slope cutting treatment; the dam top of a new fill dam is provided with a wide platform which is formed through piling of the tailings after the original fill dam is subjected to slope cutting treatment; and a dam body of the new fill dam after the original fill dam is subjected to slope cutting treatment and mountain bodies on the two sides are provided with displacement observation devices. The system and the method can effectively solve the problems that the dam slope of a tailings pond fill dam is too steep, the seepage line in a pond is high, and the dam slope is not stable.
Description
Technical field
The invention belongs to Tailings Dam technical field, be specifically related to a kind of Safety of Tailings Dam Control of Hidden system and
Its administering method.
Background technology
The form building Tailings Dam on ground conventional at present typically has two kinds: mountain valley-type, cofferdam type, wherein
Mountain valley-type Tailings Dam is in the great majority.Domestic Earlier designs most of mountain valley-type Tailings Dams of coming into operation are all
Arrive or exceeded its length of service, owing to design in early days is the most perfect, construction reference is low, tailings discharging
Not science, adds Tailings Dam operation for many years, and most of mountain valley-type Tailings Dams all exist potential safety hazard,
Even there are many Tailings Dams because owner alternates, become dereliction Tailings Dam, long-term unattended, formed
Major hazard source.
Along with economic fast development, the people keeps the safety in production, the raising of environmental protection consciousness, country
The pay attention to day by day of relevant department, the improvement to there is potential safety hazard Tailings Dam is extremely urgent.The gentliest can go out
The leakage of existing mine tailing, causes environmental pollution；Heavy then Tailings Dam dam break, causes great life and property loss.
Safety supervision management department forces to have closed down great majority potential safety hazard Tailings Dam, orders owner to rectify and improve, state
Relevant departments of family arrange special fund, administer dereliction Tailings Dam and close storehouse.
The potential safety hazard that mountain valley-type Tailings Dam generally exists is concentrated and is summarized as three kinds: 1) Tailings Dam fill dam dam
Slope is the steepest, and in storehouse, saturation is high, and dam slope is unstable, and safety coefficient is low；2) flood drainage system is due to construction mark
Accurate low, long neglected and in disrepair, locally destroyed or entirety are scrapped；3) tailings reservoir preliminary dam dam slope is partially steep, then
Plus the erosion of long-term Tailings Dam infiltration water, its safety also cannot ensure.
Summary of the invention
The defect existed for prior art and deficiency, it is an object of the invention to provide a kind of Tailings Dam peace
Full processing system and construction method thereof, the system and method for the present invention can effectively solve the problem that Tailings Dam exists
Safety problem.
For achieving the above object, the present invention is by the following technical solutions:
A kind of Safety of Tailings Dam Control of Hidden method that the present invention provides, comprises the following steps:
1) in former initial dam, it is provided for heightening and consolidation originally phase dam strengthening body, and keeps the axis of dam not
Become；
2) former fill dam is cut slope process and form new fill dam, cut the tailings produced after slope processes and place
In the space that reinforcing body and former fill dam are formed；
3) displacement observation device is set on the dam body and both sides massif of new fill dam.
Further, including step 4), former flood drainage system is carried out closure process, at new fill dam massif
The setting of side is drained off floodwaters box culvert and open channel, arranges energy-dissipating installation in former initial dam downstream；The described box culvert that drains off floodwaters
Connecting with open channel, open channel is downstream connected with energy-dissipating installation.
Further, by step 2) cut slope after tailings at the dam crest of new fill dam, Wide Worktable is set；Institute
The import stating the box culvert that drains off floodwaters is arranged on the upstream of Wide Worktable, and outlet is arranged on the downstream of Wide Worktable, and with bright
Canal connects.
Further, described new fill dam and dam crest Wide Worktable arrange earth-covering greening layer.
Further, the width of described Wide Worktable is more than or equal to 50 meters.
Further, in step 1) upstream face of described reinforcing body arranges loaded filter.
Further, step 2) slope of described new fill dam is than for 1:4～1:5.
A kind of Safety of Tailings Dam Control of Hidden system that the present invention provides, including being arranged in former initial dam use
In heightening and consolidation originally phase dam strengthening body；The space that described reinforcing body is formed with former fill dam, for heap
Put former fill dam and cut the tailings produced after slope processes；The dam crest of new fill dam is provided with Wide Worktable, described width
Platform uses former fill dam to cut the tailings accumulation after slope processes；Former fill dam cuts the new fill dam after slope processes
Dam body and both sides massif on be provided with displacement observation device.
Further, described new fill dam massif side be provided with drain off floodwaters box culvert and open channel, in the originally phase
Downstream, dam arranges energy-dissipating installation；The described box culvert that drains off floodwaters connects with open channel, and open channel is downstream with energy-dissipating installation even
Connect；The import of the described box culvert that drains off floodwaters is arranged on the upstream of Wide Worktable, and outlet is arranged on the downstream of Wide Worktable.
Further, described new fill dam and dam crest Wide Worktable arrange earth-covering greening layer；Described reinforcing body
Upstream face loaded filter is set.
Compared with prior art, the method for the present invention has following useful technique effect: added by setting
Solid carries out heightening and consolidation to former initial dam, and former fill dam is cut slope processes, and will cut the tail behind slope
Sand is deposited in profit reinforcing body and exceeds in the space that initial dam part and former fill dam are formed, and slows down fill dam
The gradient, reduces the quantities cutting slope, reduces expense.And displacement observation device is set, to Tailings Dam
Situation is monitored in real time, it is ensured that the safety of Tailings Dam.
Further, drained off floodwaters box culvert, open channel and energy dissipator by setting, it is possible to undertake Tailings Dam and close storehouse
Lead beach face and the effect of upstream raceway groove flood for a long time off, ensure Safety of Tailings Dam for a long time.
Further, cut the tailings behind slope by utilization and Wide Worktable be set surely on dam, effectively utilize tailings,
Reduce maintenance cost, effectively play tune flood effect, it is ensured that Safety of Tailings Dam.
Further, by arranging earth-covering greening layer on new fill dam and Wide Worktable, it is possible to be effectively improved
Environment.
Further, by arranging loaded filter, it is possible to effectively prevent tailings earial drainage from polluting.
The system that the present invention provides carries out heightening and consolidation by arranging reinforcing body to former initial dam, and utilizes former
Fill dam is cut the part tailings after slope processes and is piled up formation money platform, and part tailings is deposited in profit reinforcing body
Exceed in the space that initial dam part and former fill dam are formed, slow down the fill dam gradient, reduce and cut slope
Quantities, reduces expense.And displacement observation device is set, the situation of Tailings Dam is monitored in real time,
Ensure the safety of Tailings Dam.Native system can effectively solve the problem that Tailings Dam fill dam dam slope is the steepest, infiltrates in storehouse
Line is high, the problem that dam slope is unstable.
Further, drained off floodwaters box culvert, open channel and energy-dissipating installation by setting, form new flood drainage system,
Can undertake and after Tailings Dam closes storehouse, lead beach face and the effect of upstream raceway groove flood for a long time off, ensure mine tailing for a long time
Storehouse safety.
Accompanying drawing explanation
Fig. 1 is present system site plan.
Fig. 2 is that initial dam of the present invention reinforces profile.
Fig. 3 is that fill dam of the present invention arranges profile.
Wherein: 1 is reinforcing body；2 is former initial dam；3 is loaded filter；4 is former fill dam；5 is new
Fill dam；6 is earth-covering greening layer；7 amass dam slope face for initial pile；8 is Wide Worktable；9 set for displacement observation
Execute；10 is the box culvert that drains off floodwaters；11 is open channel；12 is energy-dissipating installation.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in further detail.
See Fig. 1-Fig. 3, the potential safety hazard governing system based on mountain valley-type Tailings Dam that the present invention provides,
Including the reinforcing body 1 being arranged in former initial dam 2 for the former initial dam of heightening and consolidation 2, and keep dam axle
Line is constant.The space that described reinforcing body 1 is formed with former fill dam 4, is used for stacking former fill dam 4 and cuts slope
The tailings produced after process；The dam crest of new fill dam 5 is provided with Wide Worktable 8, and described Wide Worktable 8 uses
Former fill dam 4 is cut the tailings after slope processes and is piled up.Former fill dam 4 cuts the new fill dam 5 after slope processes
It is provided with displacement observation device 9 on dam body and both sides massif.The setting of described new fill dam 5 massif side
There are drain off floodwaters box culvert 10 and open channel 11, energy-dissipating installation 12 is set in former initial dam 2 downstream；The described case that drains off floodwaters
Containing 10 to connect with open channel 11, open channel 11 is downstream connected with energy-dissipating installation 12；The described box culvert 10 that drains off floodwaters
Import be arranged on the upstream of Wide Worktable 8, outlet is arranged on the downstream of Wide Worktable 8.At new fill dam 5
With earth-covering greening layer 6 is set on dam crest Wide Worktable 8；The upstream face of reinforcing body 1 arranges loaded filter 3.Reinforce
Body 1 uses enrockment reinforcing body, concrete strengthening body or stone masonry reinforcing body.
See Fig. 2, the system of the present invention uses enrockment reinforcing body 1 to increase former initial dam 2,
Reinforce, keep the axis of dam to keep constant.At the upstream face that enrockment reinforcing body 1 contacts with tailings, arrange anti-
Filtering layer 3, prevents tailings earial drainage from polluting.
See Fig. 3, original debris fill dam 4 is carried out cuts slope and processes, arrange as good newly the piling up of safety
Dam 5.Utilize enrockment reinforcing body 1 to exceed the space that initial dam part is formed with former fill dam 4, be used for
Stacking part cuts the tailings on slope, slows down accumulation dam slope, reduces the quantities cutting slope, reduces Tailings Dam and administers
Expense.Residue tailings transports dam crest face and is piled into the platform 8 of Gao Erkuan, play interception upstream flood,
Make flood become a mandarin newly to set the effect of flood drainage system, guarantee the requirement of minimum dry beach length simultaneously.
Earth-covering greening layer 6 is set outside new fill dam 5 and dam crest Wide Worktable 8, improves environment.
Seeing Fig. 1, the tailing dam dam body and the both sides massif that are newly formed arrange displacement observation facility 9, for
The safety management in Tailings Dam later stage provides reference.
The catchment area considering the Tailings Dam later stage is little, the large platform of dam crest Gao Erkuan, investment reduction etc.
Factor, arranges the flood drainage system being made up of the box culvert 10 that drains off floodwaters, open channel 11 and energy-dissipating installation 12, this system
Lead beach face and the effect of upstream raceway groove flood after Tailings Dam closes storehouse for a long time off by undertaking, ensure Tailings Dam for a long time
Safety.
The Safety of Tailings Dam Control of Hidden method that the present invention provides, comprises the following steps:
1) in former initial dam 2, it is provided for the reinforcing body 1 of the former initial dam of heightening and consolidation 2, and keeps dam
Axis is constant；The upstream face of reinforcing body 1 arranges loaded filter 3；
2) former fill dam 4 being cut slope process and form new fill dam 5, the slope ratio of new fill dam 5 is
1:4～1:5；Cut in the space that the tailings produced after slope processes is placed on reinforcing body 1 and the formation of former fill dam 4；
Cut the tailings behind slope and Wide Worktable 8 is set at the dam crest of new fill dam 5；The width of Wide Worktable 8 is more than or equal to
50 meters；
3) displacement observation device 9 is set on the dam body and both sides massif of new fill dam 5；At new fill dam
5 and dam crest Wide Worktable 8 on earth-covering greening layer 6 is set.
4) former flood drainage system being carried out closure process, the setting in new fill dam 5 massif side is drained off floodwaters box culvert
10 and open channel 11, in former initial dam 2 downstream, energy-dissipating installation 12 is set；Described box culvert 10 and the open channel of drainning off floodwaters
11 connections, open channel 11 is downstream connected with energy-dissipating installation 12；The import of the described box culvert 11 that drains off floodwaters is arranged
In the upstream of Wide Worktable 8, outlet is arranged on the downstream of Wide Worktable 8, and is connected with open channel 11.
The method of the present invention is aiming at the potential safety hazard of mountain valley-type Tailings Dam, proposes corresponding safe handling
The construction method of system, reaches Tailings Dam and can keep the safety in production or close the purpose in storehouse.By the present invention in that and use heap
Stone body to original corroding, partially steep unstable tailings reservoir preliminary dam is increased, is reinforced, axis of dam guarantor
Hold constant.Carry out present situation fill dam rectifying and improving, cutting slope process, reach steady gradient.Part cuts slope tailings
Transport is to dam crest face, and part is cut slope tailings and filled to increasing the space that initial dam is formed with former accumulation of dam.
To exceeding the space that initial dam part is formed with former accumulation of dam, cut the tailings on slope for stacking part,
Slow down accumulation dam slope, reduce the quantities cutting slope, reduce the expense that Tailings Dam is administered.Newly-increased rockfill
Between upstream face, and the dam slope face that contacted with present situation tailing dam of rockfill, loaded filter is set,
Can prevent tailings earial drainage from polluting while saturation in reduction storehouse.Unstable heap partially steep for Tailings Dam
Long-pending dam, the part of transport to dam crest cuts slope tailings and is piled into the platform of Gao Erkuan, play intercept upstream flood,
Make flood become a mandarin newly to set the effect of flood drainage system, reach to guarantee the requirement of minimum dry beach length simultaneously.Pile up
After dam slope has arranged, prevent rain drop erosion dam facing and sand from polluting environment, to dam slope face, downstream and dam
End face carries out earthing, and afforests, and improves environment.
Local destroyed or the old flood drainage system scrapped are carried out closure process；Consider Tailings Dam later stage residue
Catchment area, the factor such as the tune flood effect utilizing the large platform of dam crest Gao Erkuan, recalculate flood stream
Amount, arranges the reasonable flood drainage system being made up of the box culvert that drains off floodwaters, open channel and energy-dissipating installation, and this system will undertake
Tailings Dam leads beach face and the effect of upstream raceway groove flood for a long time off after closing storehouse, ensure Safety of Tailings Dam for a long time.
Setting up Dam body displacement observation facility, the safety management for the Tailings Dam later stage provides reference.
Claims (10)
1. a Safety of Tailings Dam Control of Hidden method, it is characterised in that comprise the following steps:
1) in former initial dam (2), it is provided for the reinforcing body (1) of the former initial dam of heightening and consolidation (2),
And keep the axis of dam constant；
2) former fill dam (4) is cut slope process and form new fill dam (5), cut after slope processes and produce
Tailings be placed in the space that reinforcing body (1) and former fill dam (4) are formed；
3) displacement observation device (9) is set on the dam body and both sides massif of new fill dam (5).
A kind of Safety of Tailings Dam Control of Hidden method the most according to claim 1, it is characterised in that
Including step 4), former flood drainage system is carried out closure process, arranges in new fill dam (5) massif side
Drain off floodwaters box culvert (10) and open channel (11), arranges energy-dissipating installation (12) in former initial dam (2) downstream；Institute
State the box culvert that drains off floodwaters (10) to connect with open channel (11), open channel (11) downstream with energy-dissipating installation (12)
Connect.
A kind of Safety of Tailings Dam Control of Hidden method the most according to claim 2, it is characterised in that
By step 2) cut slope after tailings at the dam crest of new fill dam (5), Wide Worktable (8) is set；Described drain off floodwaters
The import of box culvert (11) is arranged on the upstream of Wide Worktable (8), and outlet is arranged under Wide Worktable (8)
Trip, and be connected with open channel (11).
A kind of Safety of Tailings Dam Control of Hidden method the most according to claim 3, it is characterised in that
Described new fill dam (5) and dam crest Wide Worktable (8) arrange earth-covering greening layer (6).
A kind of Safety of Tailings Dam Control of Hidden method the most according to claim 3, it is characterised in that
The width of described Wide Worktable (8) is more than or equal to 50 meters.
A kind of Safety of Tailings Dam Control of Hidden method the most according to claim 1, it is characterised in that
In step 1) upstream face of described reinforcing body (1) arranges loaded filter (3).
A kind of Safety of Tailings Dam Control of Hidden method the most according to claim 1, it is characterised in that
Step 2) slope of described new fill dam (5) is than for 1:4～1:5.
8. a Safety of Tailings Dam Control of Hidden system, it is characterised in that include being arranged on former initial dam (2)
The upper reinforcing body (1) for the former initial dam of heightening and consolidation (2)；Described reinforcing body (1) and former fill dam
(4) space formed, is used for stacking former fill dam (4) and cuts the tailings produced after slope processes；New accumulation
The dam crest on dam (5) is provided with Wide Worktable (8), and described Wide Worktable (8) uses former fill dam (4) to cut slope
Tailings after process is piled up；Former fill dam (4) cuts the dam body and two of the new fill dam (5) after slope processes
Displacement observation device (9) it is provided with on the massif of side.
A kind of Safety of Tailings Dam Control of Hidden system the most according to claim 8, it is characterised in that
Described new fill dam (5) massif side be provided with the box culvert that drains off floodwaters (10) and open channel (11), originally
Phase dam (2) downstream arranges energy-dissipating installation (12)；The described box culvert that drains off floodwaters (10) connects with open channel (11),
Open channel (11) is downstream connected with energy-dissipating installation (12)；The import of the described box culvert that drains off floodwaters (10) is arranged
In the upstream of Wide Worktable (8), outlet is arranged on the downstream of Wide Worktable (8).
A kind of Safety of Tailings Dam Control of Hidden system the most according to claim 8, it is characterised in that
On described new fill dam (5) and dam crest Wide Worktable (8), earth-covering greening layer (6) is set；Described reinforcing body
(1) upstream face arranges loaded filter (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610475024.1A CN105951849B (en) | 2016-06-24 | 2016-06-24 | A kind of Safety of Tailings Dam Control of Hidden system and its administering method |
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| CN201610475024.1A CN105951849B (en) | 2016-06-24 | 2016-06-24 | A kind of Safety of Tailings Dam Control of Hidden system and its administering method |
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| CN105951849B CN105951849B (en) | 2018-12-04 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109067887A (en) * | 2018-08-15 | 2018-12-21 | 南华大学 | Uranium tailings pond safety monitoring and governing system |
| CN109083098A (en) * | 2018-03-07 | 2018-12-25 | 中钢集团马鞍山矿山研究院有限公司 | The old flood drainage system breakage of a kind of pair of Tailings Dam carries out the plugging structure of comprehensive treatment |
| CN112343020A (en) * | 2020-10-29 | 2021-02-09 | 矿冶科技集团有限公司 | Environmental risk prevention and control integrated system and method for historical legacy tailing pond |
| CN113123351A (en) * | 2019-12-31 | 2021-07-16 | 宝钢集团新疆八一钢铁有限公司 | Method for treating hidden danger of tailings dam in plateau alpine region |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083098A (en) * | 2018-03-07 | 2018-12-25 | 中钢集团马鞍山矿山研究院有限公司 | The old flood drainage system breakage of a kind of pair of Tailings Dam carries out the plugging structure of comprehensive treatment |
| CN109083098B (en) * | 2018-03-07 | 2020-05-19 | 中钢集团马鞍山矿山研究院有限公司 | Plugging structure for comprehensively treating damaged part of old flood drainage system of tailing pond |
| CN109067887A (en) * | 2018-08-15 | 2018-12-21 | 南华大学 | Uranium tailings pond safety monitoring and governing system |
| CN113123351A (en) * | 2019-12-31 | 2021-07-16 | 宝钢集团新疆八一钢铁有限公司 | Method for treating hidden danger of tailings dam in plateau alpine region |
| CN112343020A (en) * | 2020-10-29 | 2021-02-09 | 矿冶科技集团有限公司 | Environmental risk prevention and control integrated system and method for historical legacy tailing pond |
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|---|---|
| CN105951849B (en) | 2018-12-04 |
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