CN101353885A - Tailings reservoir filling method - Google Patents
Tailings reservoir filling method Download PDFInfo
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- CN101353885A CN101353885A CNA2008101465284A CN200810146528A CN101353885A CN 101353885 A CN101353885 A CN 101353885A CN A2008101465284 A CNA2008101465284 A CN A2008101465284A CN 200810146528 A CN200810146528 A CN 200810146528A CN 101353885 A CN101353885 A CN 101353885A
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- ore drawing
- dam
- pond
- storehouse
- tailings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
Abstract
The invention relates to a filling method of a tailings pond, which is characterized in that tailings are divided into two parts and then respectively transported under a water body before a tailing dam and after the tailings pond for ore drawing so as to realize the balanced and associated ore drawing cooperated by dispersed ore drawing in sections before the dam and the dispersed ore drawing in sections by underwater moving after the pond. The method of the invention controls the dispersed ore drawing in sections after the improvement of the original ore drawing technology before the dam, fully utilizes the volume of the water body after the pond and promptly adjusts the ore drawing position according to the accumulating condition of the tailings in the water body so as to avoid the formation of dry shoal in the pond, thereby ensuring that the accumulated tailings are always positioned under the water without occupying the flood discharge volume of the tailings pond. Simultaneously, according to the rising condition of the water level in the tailings pond, the transportation volume of the tailings before the dam and after the pond is promptly adjusted so as to ensure the length of the dry shoal of the tailings pond, thereby realizing the moving and balanced ore drawing in the water body after the pond so as to realize that the dispersed ore drawing in sections is adopted before the dam and after the pond.
Description
Technical field
The present invention relates to the dam filling construction in a kind of mine tailing storehouse.
Background technology
The heap building method of tailing dam mainly contains upper reaches method, middle collimation method, downstream method at present.Tailing dam is piled up before adopting the upper reaches method dam in China 90% above mine tailing storehouse, at present to the upper reaches method two kinds of improved procedures of having built a dam, a kind of is to change the ore drawing mode by two initial dam to strengthen safety of dam body, another kind is for prolonging the mine tailing storehouse length of service, taking upper reaches method to change modes such as middle collimation method, library of libraries dilatation is increased in existing mine tailing storehouse.Adopt the upper reaches method heap dam ore drawing mode ubiquity dam body rate of climb fast, the sub-dam of mine tailing consolidation time is short, dam seepage line is high, and the safety of tailing dam is caused certain influence; And, send problems such as highly increase is fast, mine tailing conveying energy consumption height thereby cause mine tailing to raise because the dam body rate of climb is fast.In addition, the ore drawing mode makes that also a large amount of water body volumes can not make full use of behind the mine tailing storehouse before the dam, causes mine tailing storehouse volumetric efficiency and recycling water utilization rate lower.Upper reaches method changes modes such as middle collimation method, library of libraries and then has shortcomings such as operating cost height, complex management, new and old mine tailing library management linking and storage capacity utilization rate are low.
Along with rapid economy development, the early stage formula mine tailing storehouse of building, upstream is in the service middle and later periods substantially, is badly in need of follow-up tailings reservoir for piling mine tailing.Simultaneously since country to the attention of land resources, and newly-built mine tailing storehouse land occupation resource is big, exists to take over the land for use, move, examine problems such as difficulty, construction cost be huge.Therefore, seek a kind of raising mine tailing storehouse volumetric efficiency, keep to continue produce, fully economize the land resource, realize prolonging the dam filling construction of the mine tailing storehouse length of service, become existing and will the extremely urgent key technical problem in newly-built mine tailing storehouse.Therefore in addition, equally also exist the low problem of mine tailing storehouse volumetric efficiency, develop the inevitable choice that mine tailing filling method before the present dam also becomes the mine tailing storehouse with a kind of novel mine tailing filling technique for middle collimation method, method mine tailing storehouse, downstream.
Summary of the invention
Purpose of the present invention is exactly the deficiency that exists at above-mentioned prior art, provide a kind of and can effectively improve mine tailing storehouse volumetric efficiency and recycling water utilization rate, reduce the dam body rate of climb, improve safety factor, economize the land resource, prolong the method that the mine tailing of the mine tailing storehouse length of service fills.
The objective of the invention is to be achieved through the following technical solutions.
The dam filling construction in a kind of mine tailing storehouse is characterized in that the mine tailing that will carry is divided into two by a certain percentage, is delivered to before the tailing dam respectively and ore drawing under the water body behind the mine tailing storehouse.
The dam filling construction in a kind of mine tailing of the present invention storehouse, on being responsible for, lays the ore drawing that sets up the ore drawing arm before the dam, realize that along dam facing segmentation disperses ore drawing, reach the optimization ore drawing, reduce infiltration, slow down the dam body rate of climb, ore drawing time, ore drawing intensity before the reasonable control dam, rationally prolong the ore drawing pipe and prop up length of tube, increase fill volume, reduce sub-dam accumulating amount.Make full use of water body volume behind the storehouse simultaneously, adopt the mode of channelling on the pontoon bridge to carry mine tailing, in the storehouse in a big way in mobile ore drawing; At pontoon bridge and face contact position, land special flexible pipe is set, to satisfy the variation of water level in the certain limit of mine tailing storehouse.The ore drawing method of before this dam and storehouse post-equalization associating can guarantee that the even filling of mine tailing under water, can guarantee the flood discharge safety in mine tailing storehouse again, thus the moving equilibrium ore drawing on the water surface behind the realization storehouse; And can effectively improve tailings storage backwater tapered rate, control backwater water quality guarantees that the dried beach of safety is apart from more than the 600m.
Adopt method of the present invention, can realize mine tailing storehouse moving equilibrium safety ore drawing, can effectively improve mine tailing storehouse volumetric efficiency, reduce the dam body rate of climb, reduce the dam body leakage, prolong the mine tailing consolidation time, improve the recycling water utilization rate.During operation (mainly being to determine) according to a certain percentage according to length of dry sand of tailings reservoir and water level rising situation, be delivered to mine tailing before the dam respectively and in the storehouse underwater carry out balanced ore drawing.
Method of the present invention to after the former ore drawing process modification, has the segmentation of carrying out of control to disperse ore drawing (promptly set up the ore drawing pipe and the ore drawing arm is realized) before the dam; Water body volume after making full use of the storehouse behind the storehouse, adopt the mode of channelling on the pontoon to realize undersurface free segmentation dispersion ore drawing behind the storehouse, and pile up situation according to mine tailing in the water body, in time regulate the ore drawing position, avoid in the storehouse forming and do the beach, the mine tailing of accumulation is in all the time tie up the mine tailing storehouse volume that drains off floodwaters under water and not.Simultaneously according to mine tailing reservoir level rising situation, in time adjust mine tailing conveying capacity behind the preceding storehouse, dam, guarantee length of dry sand of tailings reservoir, with moving equilibrium ore drawing in the water body behind the realization storehouse, thereby be implemented in before the dam and the storehouse after all adopt segmentation to disperse ore drawing, reach the optimization ore drawing, can reduce infiltration, slow down the dam body rate of climb, can rationally control ore drawing time before the dam, ore drawing intensity again, rationally prolong the ore drawing pipe and prop up length of tube, increase fill volume, reduce sub-dam accumulating amount.
The specific embodiment
The dam filling construction in a kind of mine tailing storehouse, its method are that the mine tailing that will carry is divided into two by a certain percentage, are delivered to before the tailing dam respectively and ore drawing under the water body behind the mine tailing storehouse.Adopt before the dam and set up the ore drawing person in charge and ore drawing arm realization segmentation dispersion ore drawing.Water body volume after making full use of the storehouse behind the storehouse adopts the mode of channelling on the pontoon bridge to realize that the free segmentation on the water surface disperses ore drawing behind the storehouse.According to mine tailing reservoir level rising situation, in time adjust mine tailing conveying capacity behind the preceding storehouse, dam during ore drawing, to guarantee length of dry sand of tailings reservoir.
Embodiment
Based on the mine tailing storehouse that upper reaches method is built a dam, before the dam, adopt ore drawing to be responsible for the arm that is provided with the connection flexible pipe and carry out ore drawing; On the ore drawing terminal conduit was laid in pontoon bridge behind the storehouse, pontoon bridge moved and is positioned on the water body water surface of mine tailing storehouse; Ore drawing before mine tailing storehouse year, 6,600,000 tons/year of total mine tailing amounts were delivered to the dam, 3,300,000 tons/year of year total mine tailing amounts are delivered to behind the storehouse under water, and the two balanced ore drawing can satisfy the flood discharge of mine tailing storehouse and do the beach length requirement.
| Index | Moving equilibrium safety ore drawing method | Ore drawing before the dam |
| The average rate of climb of dam body | 2.7m/ year | 4m/ |
| Mine tailing storehouse volumetric efficiency | 0.85 | 0.77 |
| The dam body seepage discharge | 734m 3/h | 1100m 3/h |
| Increase effective storage (in the design altitude) | 3,330 ten thousand m 3 | - |
| Prolong length of service | 4 years | 0 |
| Increase the backwater amount | 3,660,000 m 3/ year | - |
| Annual energy-conservation | 1,000,000 yuan | - |
| The annual storage capacity benefit that increases more | 9,990,000 yuan | - |
| Economize the land resource | 2300 mu | - |
| The tailing dam safety factor | Increase by 10% | - |
From commerical test as can be seen, every index all is better than ore drawing method before the simple dam after the employing moving equilibrium safety ore drawing method, has developed the mine tailing filling technique.
Claims (1)
1. the dam filling construction in a mine tailing storehouse, it is characterized in that the mine tailing that will carry is divided into two, be delivered to respectively before the tailing dam and behind the mine tailing storehouse and carry out ore drawing under the water body, balancing combine ore drawing under the cooperation of mobile under water segmentation dispersion ore drawing behind segmentation dispersion ore drawing and the storehouse before the realization dam promptly adopts before the dam and sets up the ore drawing person in charge and ore drawing arm realization segmentation dispersion ore drawing; Water body volume after making full use of the storehouse behind the storehouse adopts the mode of channelling on the pontoon bridge to realize undersurface balanced segmentation dispersion ore drawing behind the storehouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101465284A CN101353885B (en) | 2008-09-02 | 2008-09-02 | Tailings reservoir filling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101465284A CN101353885B (en) | 2008-09-02 | 2008-09-02 | Tailings reservoir filling method |
Publications (2)
| Publication Number | Publication Date |
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| CN101353885A true CN101353885A (en) | 2009-01-28 |
| CN101353885B CN101353885B (en) | 2010-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101465284A Active CN101353885B (en) | 2008-09-02 | 2008-09-02 | Tailings reservoir filling method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929161B (en) * | 2009-06-24 | 2011-08-31 | 鞍钢集团矿业公司 | Method for building high roller compaction water-permeable tailing dam by rock dumping |
| CN104831673A (en) * | 2015-05-27 | 2015-08-12 | 葛洲坝集团第五工程有限公司 | Waste water treatment tailing pond for sand and gravel processing system and operation method |
| CN106284373A (en) * | 2016-08-30 | 2017-01-04 | 金堆城钼业股份有限公司 | A kind of method of construction of Tailings Dam |
| CN115492131A (en) * | 2022-08-23 | 2022-12-20 | 攀钢集团矿业有限公司 | Embankment type soil covering method and device for tailing pond closed tail weak beach face |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101912865B (en) * | 2010-08-02 | 2012-11-07 | 河海大学 | Method for solidifying and dry-stacking mill tailings without tailing reservoir |
| CN108457280B (en) * | 2018-03-07 | 2020-01-17 | 中钢集团马鞍山矿山研究院有限公司 | Novel method for piling up artificial dry beach of tailing pond by using cyclone in alpine region |
| CN108360467B (en) * | 2018-03-07 | 2020-01-17 | 中钢集团马鞍山矿山研究院有限公司 | Novel process for piling artificial dry beach of tailing pond in alpine region |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1099083A (en) * | 1994-02-17 | 1995-02-22 | 张明鉴 | Double-dam upper reaches method for construction of tailings dam |
| CN1162505A (en) * | 1996-04-12 | 1997-10-22 | 崔正洙 | Treating process of tailings |
| CN1232130A (en) * | 1998-04-16 | 1999-10-20 | 赵晖 | Tails dyke and ash dyke dual-dyke safety embanking method |
-
2008
- 2008-09-02 CN CN2008101465284A patent/CN101353885B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929161B (en) * | 2009-06-24 | 2011-08-31 | 鞍钢集团矿业公司 | Method for building high roller compaction water-permeable tailing dam by rock dumping |
| CN104831673A (en) * | 2015-05-27 | 2015-08-12 | 葛洲坝集团第五工程有限公司 | Waste water treatment tailing pond for sand and gravel processing system and operation method |
| CN106284373A (en) * | 2016-08-30 | 2017-01-04 | 金堆城钼业股份有限公司 | A kind of method of construction of Tailings Dam |
| CN115492131A (en) * | 2022-08-23 | 2022-12-20 | 攀钢集团矿业有限公司 | Embankment type soil covering method and device for tailing pond closed tail weak beach face |
| CN115492131B (en) * | 2022-08-23 | 2023-06-13 | 攀钢集团矿业有限公司 | Weak beach embankment earth covering method and device for tail part of tailing pond |
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| Publication number | Publication date |
|---|---|
| CN101353885B (en) | 2010-04-21 |
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