CN105040711B - Method for strengthening dry tailing storage yard by utilizing barren rocks - Google Patents
Method for strengthening dry tailing storage yard by utilizing barren rocks Download PDFInfo
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- CN105040711B CN105040711B CN201510354303.8A CN201510354303A CN105040711B CN 105040711 B CN105040711 B CN 105040711B CN 201510354303 A CN201510354303 A CN 201510354303A CN 105040711 B CN105040711 B CN 105040711B
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- 238000005516 engineering process Methods 0.000 abstract description 4
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Abstract
The invention discloses a method for strengthening a dry tailing storage yard by utilizing barren rocks. A barren rock dam (3) is built at the inner periphery of a built dry tailing storage yard dam body (2); a barren rock middle partition dam (4) is built in the barren rock dam (3); at least two middle partition branch dams (4') are built at the two sides of the barren rock middle partition dam (4) respectively; a barren rock pile (5) is piled up in a gap among the barren rock dam (3), the barren rock middle partition dam (4) and the middle partition branch dams (4') by utilizing barren rocks in a rock disposal dump; and a space among the barren rock dam (3), the barren rock middle partition dam (4), the middle partition branch dams (4') and the barren rock pile (5) is a reservoir area for piled-up tailings (6), and is divided into a plurality of small areas which are communicated with one another. According to the method, by adopting a strengthening process technology of internal periphery strengthening, partitioning and area barren rock piling-up is adopted for the dry tailing storage yard, so that not only is the dry tailing storage yard strengthened, but also the piling-up problem of mineral barren rocks is solved, and therefore, land occupation by a project is saved.
Description
Technical field
The present invention relates to a kind of mine tailing stores up safely technology, and in particular to a kind of to store up safely mine tailing using the dry stockyard of barren rock
Method, not only can reinforce mine tailing dry heaping yard, improve the security performance in dry stockyard, can also solve the stacking place of chats
Problem, economizes the land resource.Suitable for the reinforcing of all kinds of mine tailing dry heaping yards, can be in the tailing heap of the industry such as black, coloured, chemical industry
Extensively apply in.
Background technology
China is one of Tailings Dam quantity and the most countries of mine tailing amount of storage in the world, and past, most mines are logical
Cross newly-built and enlarging ground Tailings Dam to solve the emission problem of mine tailing, Tailings Slurry concentration is low, water content is high, determines Tailings Dam
Coefficient of stability it is low, especially in pluvial age and earthquake-prone region, easily there is dam-break accident；Containing a huge sum of money in mine tailing wastewater
The polluters such as category ion, acid waste water, therefore Tailings Dam dam break not only results in casualties, property loss, can also be to ring
Cause greatly destruction in border.In Tailings Dam run duration, the seepage of tailing water can also pollute surrounding enviroment.Tailings Dam is built, is needed
Take a large amount of soils.Therefore by tailings discharging to Tailings Dam, increasingly it is not suitable with terms of economy, environment, policy and is sent out from now on
The demand of exhibition, it is necessary to find new way and carry out effectively solving.
It is a kind of new Tailings Disposal method developed in recent years that tails dry is stored up, using dry piling technique shape
Into stockyard equally exist potential safety hazard.
China's non-coal mine more than 86% is surface mine, and more than 1,000,000,000 tons, occupation of land exceedes annual discharge barren rock amount of peeling off
2000 hectares, be that genuine barren rock discharges the first big country.Mine tailing dry heaping yard is reinforced using barren rock, tail can have both been improved
The safety in the dry stockyard of ore deposit, also helps the occupation of land for solving the problems, such as chats discharge.
《Scientific and technological Leader》2013,31（9）Describe in " tailing dry-heaping and dewatering process research application and the prospect " delivered
Domestic and international various tailing dry-heapings and dewatering process, but be essentially all using Tailing thickening, filter pressing, ground, underground dry piling
Technological approaches, the high cost of tailings impoundment, the mine tailing amount that mine tailing ground is stored up are limited.《Modern Mineral》July the 7th in 2013
In " design search in tailing dry-heaping storehouse " text that phase delivers, a kind of Gan Dui storehouses general design idea is disclosed, this article is by dry heap
The reservoir area in storehouse is divided into production run area and safety buffer zone (pollution transition zone) two parts.Production run area is normal production period
Between tailings impoundment place;Safety buffer zone (pollution transition zone) is then as risk control area, if the slopes in production run area are sent out
Raw slumping, controllable slumping scope is in the region.Washed away by production run region the part CHARACTERISTICS OF TAILINGS SAND got off can be deposited on it is slow
Rush periodic cleaning after area, rainy season, it is to avoid pollution downstream.But the design in the Gan Dui storehouses is still limited to the design of traditional tailing
Thinking, has that floor space is big, security risk is big.
The content of the invention
Security risk that the purpose of the present invention is aiming at the presence of existing mine tailing dry heaping yard is big, floor space is big, operation
The problems such as high cost, there is provided a kind of method that utilization barren rock reinforces mine tailing dry heaping yard, mine tailing dry heaping yard can not only can be reinforced
The problem of banking up of effectively solving chats.
To realize the above-mentioned purpose of the present invention, a kind of utilization barren rock of the invention reinforces the method for mine tailing dry heaping yard using following
Technical scheme：
Drain pipe is set in the bottom of mine tailing dry heaping yard, build barren rock is enclosed in the mine tailing dry heaping yard dam body for having constructed
Dam, the barren rock dam built can both reinforce the mine tailing dry heaping yard dam body of periphery, while ensureing that mine tailing dry heaping yard stores up the storehouse of mine tailing
Water in area is discharged by permeable barren rock dam, so as to reduce the water level of peripheral mine tailing dry heaping yard dam body.Build in barren rock dam
Every dam in one barren rock, the both sides every dam in barren rock are built during quantity is at least two respectively every branch dam, on barren rock dam
With in barren rock every dam, in recycle in space between branch dam refuse dump barren rock to bank up hillock, the quantity of hillock can
Banked up according to how many treatment in accordance with local conditions of barren rock amount.With the discharge of tailings, hillock is not only oozed and is consolidated beneficial to the row of tailings
Knot, and can prevent tailings liquefaction from improving anti-seismic performance and strengthening the stability in the large in stockyard.In barren rock dam and barren rock every dam,
In space between branch dam, hillock be the reservoir area for storing up mine tailing, in barren rock dam and barren rock every dam, in every branch dam, useless
The reservoir area for storing up mine tailing is separated into several cells being interconnected by clitter.
In in branch dam and barren rock between dam to be obliquely installed, in be folded to in again every branch every the end on branch dam
The parallel direction in dam.Quantity every branch dam in every side on dam is built in barren rock is generally 2-4 seats.In every branch Ba Ba
According to Gan Dui places area and barren rock amount, top width degree comprehensively determines that its grade of side slope must be according to the physical mechanicses of refuse dump barren rock
Performance is determined Jing after stable calculation.
The design of this structure, can play a part of reinforce mine tailing dry heaping yard, and be conducive to mine tailing row ooze with
Consolidation, so as to reduce in storehouse mine tailing to peripheral mine tailing dry heaping yard dam body（Earth dam）Pressure, reach the whole mine tailing dry heaping yard of raising
Security performance.
The extravasation of water in the reservoir area of mine tailing is stored up for further reinforcing, be provided with row in the exterior bottom of mine tailing dry heaping yard dam body
Water rib body.Drain pipe, drainage prism can be discharged to the tail water in reservoir area outside dam in time, can effectively reduce the infiltration of dam body
Line.
The width at dam crest on described barren rock dam must be according to mine tailing dry heaping yard dam body（I.e. dry stockyard periphery dam body）Rise,
The gradient and spoil amount specifically determining, generally mine tailing dry heaping yard dam body width at dam crest（1/4）～(1/2).Barren rock dam
The outer slope gradient is consistent with the inner slope gradient of the mine tailing dry heaping yard dam body of periphery, physical mechanicses of its inner slope gradient according to barren rock
Performance is determined Jing after stable calculation.
One layer of refuse dump barren rock row's infiltration layer is set in the bottom of the reservoir area for storing up mine tailing, its thickness is between 0.5～1m.
A kind of utilization barren rock of the present invention is reinforced the method for mine tailing dry heaping yard and takes mine tailing dry heaping yard " inside to enclose reinforcing, by stages
Bank up every, interval barren rock " reinforcement process technology, not only Tailings Dam is reinforced, the heap of the refuse dump barren rock for also solving
Problem is put, project occupation of land has been saved, the security performance of Tailings Dam is improve.Itself the specific beneficial effects are as follows：
（1）Piling tails not only can be used for, the stacking for solving the problems, such as chats is also helped；
（2）Mine tailing dry heaping yard is reinforced using barren rock, improve the safety and stablization of whole mine tailing dry heaping yard.
Description of the drawings
Fig. 1 is the dry stockyard horizontal layout schematic diagram of the method that a kind of utilization barren rock of the invention reinforces mine tailing dry heaping yard；
Fig. 2 is the dry stockyard generalized section of the method that a kind of utilization barren rock of the invention reinforces mine tailing dry heaping yard.
Reference is：1- mine tailing dry heaping yards；2- mine tailing dry heaping yard dam bodys；3- barren rocks dam；Every dam in 4- barren rocks；4 ＇-in
Every branch dam；5- hillocks；6- mine tailings；7- drainage prisms；8- drain pipies；9- refuse dumps barren rock row's infiltration layer.
Specific embodiment
Preferably to describe the present invention, the side of mine tailing dry heaping yard is reinforced below in conjunction with the accompanying drawings to a kind of utilization barren rock of the invention
Method is described in further detail.
A kind of utilization barren rock of invention as shown in Figure 1 reinforces the dry stockyard planar cloth of the method for mine tailing dry heaping yard
Put schematic diagram and find out with reference to Fig. 2, the method that a kind of utilization barren rock of the invention reinforces mine tailing dry heaping yard, in mine tailing dry heaping yard 1
Bottom arranges drain pipe 8, is provided with drainage prism 7 in the exterior bottom of mine tailing dry heaping yard dam body 2.In the tailing dry-heaping for having constructed
Build barren rock dam 3 is enclosed in the dam body 2 of field, is divided every dam 4, the both sides every dam 4 in barren rock during a barren rock is built in barren rock dam 3
Not Xiu Zhu in two every 4 ＇ of branch dam, in barren rock dam 3 and barren rock every dam 4, in profit again in space between 4 ＇ of branch dam
Banked up with refuse dump barren rock treatment in accordance with local conditions hillock 5, in barren rock dam 3 and barren rock every dam 4, in every 4 ＇ of branch dam, hillock 5 it
Between space be the reservoir area for storing up mine tailing 6, in barren rock dam 3 and barren rock every dam 4, in will store up mine tailing every 4 ＇ of branch dam, hillock 5
6 reservoir area is separated into the cell that several are interconnected.In in 4 ＇ of branch dam and barren rock between dam 4 to be obliquely installed, in
It is folded to in again every the parallel directions of 4 ＇ of branch dam every the end of 4 ＇ of branch dam.The width at dam crest on described barren rock dam 3 is mine tailing
Dry 2 width at dam crest of stockyard dam body（1/4）The scope of～(1/2).In the bottom of the reservoir area for storing up mine tailing 6, one layer of refuse dump is set
Barren rock arranges infiltration layer 9, and its thickness can not be paved with whole stockyard between 0.5～1m.
Claims (4)
1. a kind of method that utilization barren rock reinforces mine tailing dry heaping yard, arranges drain pipe (8) in the bottom of mine tailing dry heaping yard (1), its
It is characterised by：Build barren rock dam (3) is enclosed in the mine tailing dry heaping yard dam body (2) for having constructed, in barren rock dam (3) build one
Every dam (4) in seat barren rock, the both sides every dam (4) in barren rock are built during quantity is at least two respectively every branch dam (4 ＇),
In barren rock dam (3) and barren rock every dam (4), in recycle in space between branch dam (4 ＇) refuse dump barren rock to bank up barren rock
Heap (5), in barren rock dam (3) and barren rock every dam (4), in space between branch dam (4 ＇), hillock (5) to store up mine tailing
(6) in reservoir area, barren rock dam (3) and barren rock every dam (4), in the storehouse of mine tailing (6) will be stored up every branch dam (4 ＇), hillock (5)
Differentiation is divided into several cells being interconnected；In in branch dam (4 ＇) and barren rock between dam (4) to be obliquely installed, in every
The end on branch dam (4 ＇) is folded to in again every branch dam (4 ＇) parallel direction.
2. the method that a kind of utilization barren rock as claimed in claim 1 reinforces mine tailing dry heaping yard, it is characterised in that：Mine tailing dry heaping yard
The exterior bottom of dam body (2) is provided with drainage prism (7).
3. the method that a kind of utilization barren rock as claimed in claim 1 or 2 reinforces mine tailing dry heaping yard, it is characterised in that：Described
The width at dam crest on barren rock dam (3) is the scope of the 1/4～1/2 of mine tailing dry heaping yard dam body (2) width at dam crest.
4. the method that a kind of utilization barren rock as claimed in claim 3 reinforces mine tailing dry heaping yard, it is characterised in that：Storing up mine tailing
(6) bottom of reservoir area arranges one layer of refuse dump barren rock row's infiltration layer (9), and its thickness is between 0.5～1m.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510354303.8A CN105040711B (en) | 2015-06-25 | 2015-06-25 | Method for strengthening dry tailing storage yard by utilizing barren rocks |
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| CN201510354303.8A CN105040711B (en) | 2015-06-25 | 2015-06-25 | Method for strengthening dry tailing storage yard by utilizing barren rocks |
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| CN105040711A CN105040711A (en) | 2015-11-11 |
| CN105040711B true CN105040711B (en) | 2017-04-12 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105696518B (en) * | 2016-01-28 | 2017-09-19 | 中钢集团马鞍山矿山研究院有限公司 | A kind of fine tailings solidify dry heaping method |
| CN105952449B (en) * | 2016-05-10 | 2018-04-10 | 中钢集团马鞍山矿山研究院有限公司 | A kind of new method of Tailings dry type back production |
| CN106049509B (en) * | 2016-07-24 | 2018-04-06 | 中国电建集团贵阳勘测设计研究院有限公司 | Separation dam structure of tailing pond and construction process thereof |
| CN108787688A (en) * | 2018-05-07 | 2018-11-13 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of metallurgy solid waste ecology stockyard building method |
| CN108941146B (en) * | 2018-07-02 | 2021-05-04 | 北京科技大学 | Waste rock and full tailings mixing and stacking method |
| CN109026152B (en) * | 2018-08-27 | 2024-04-19 | 清华大学 | Open pit coal mine underground reservoir containing core wall rock-fill retaining dam structure |
| CN110670546B (en) * | 2019-10-18 | 2021-03-26 | 付文堂 | Method for building dam by bidirectional permeation and reverse laying of seepage drainage arrises |
| CN114294056B (en) * | 2021-12-14 | 2024-07-30 | 万宝矿产有限公司 | Method for combined disposal of waste stone and dry tailings in open pit |
| CN115059025A (en) * | 2022-06-22 | 2022-09-16 | 中国恩菲工程技术有限公司 | Combined treatment system and method for tailings and waste rocks |
| CN115072400B (en) * | 2022-08-18 | 2022-11-04 | 矿冶科技集团有限公司 | Modified concentrated full-tailings piling method |
| CN115613594B (en) * | 2022-09-01 | 2024-09-10 | 浙江省工程勘察设计院集团有限公司 | Construction and recycling method of valley type weak slag soil digestion field |
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| JPS6010010A (en) * | 1983-06-25 | 1985-01-19 | Takenaka Komuten Co Ltd | Float for sludge dehydration work |
| CN2825748Y (en) * | 2005-04-26 | 2006-10-11 | 贵阳铝镁设计研究院 | Drainage device for dry-method red mud stack yard |
| CN100494629C (en) * | 2006-04-17 | 2009-06-03 | 中国科学院力学研究所 | Ribbed terrace method for wet type stack of fine tailings |
| CN103397645B (en) * | 2013-07-22 | 2015-07-29 | 中钢集团马鞍山矿山研究院有限公司 | A kind of dry heap arranges with wet the tailings pile discharge method combined |
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Address after: 243000 Xitang Road, Ma'anshan Economic Development Zone, Anhui, No. 666 Co-patentee after: HUAWEI METAL MINERAL RESOURCE EFFICIENT RECYCLING UTILIZATION NATIONAL ENGINEERING RESEARCH CENTER Co.,Ltd. Patentee after: MAANSHAN Mine Research Institute Co.,Ltd. Co-patentee after: SINOSTEEL MAANSHAN INSTITUTE OF MINING RESEARCH, ENGINEERING INVESTIGATION AND DESIGN Co.,Ltd. Address before: 243000 Xitang Road, Ma'anshan Economic Development Zone, Anhui, No. 666 Co-patentee before: HUAWEI METAL MINERAL RESOURCE EFFICIENT RECYCLING UTILIZATION NATIONAL ENGINEERING RESEARCH CENTER Co.,Ltd. Patentee before: SINOSTEEL MAANSHAN INSTITUTE OF MINING RESEARCH Co.,Ltd. Co-patentee before: SINOSTEEL MAANSHAN INSTITUTE OF MINING RESEARCH, ENGINEERING INVESTIGATION AND DESIGN Co.,Ltd. |
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Effective date of registration: 20221103 Address after: 243000 No. 666 Xitang Road, Ma'anshan Economic Development Zone, Anhui Province Patentee after: MAANSHAN Mine Research Institute Co.,Ltd. Patentee after: HUAWEI METAL MINERAL RESOURCE EFFICIENT RECYCLING UTILIZATION NATIONAL ENGINEERING RESEARCH CENTER Co.,Ltd. Address before: 243000 No. 666 Xitang Road, Ma'anshan Economic Development Zone, Anhui Province Patentee before: MAANSHAN Mine Research Institute Co.,Ltd. Patentee before: HUAWEI METAL MINERAL RESOURCE EFFICIENT RECYCLING UTILIZATION NATIONAL ENGINEERING RESEARCH CENTER Co.,Ltd. Patentee before: SINOSTEEL MAANSHAN INSTITUTE OF MINING RESEARCH, ENGINEERING INVESTIGATION AND DESIGN Co.,Ltd. |
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