CN110747843B - Drainage reinforcing method for superfine tailing sedimentary beach - Google Patents
Drainage reinforcing method for superfine tailing sedimentary beach Download PDFInfo
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- CN110747843B CN110747843B CN201911079462.6A CN201911079462A CN110747843B CN 110747843 B CN110747843 B CN 110747843B CN 201911079462 A CN201911079462 A CN 201911079462A CN 110747843 B CN110747843 B CN 110747843B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
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Abstract
The invention discloses a drainage reinforcing method for an ultrafine tailing sedimentary beach, which comprises the steps of paving a drainage pipe along a mountain from the outside of an initial dam to the inside of the dam; laying drainage pipes longitudinally on the sedimentation beach along the mountain body, and connecting the drainage pipes with the drainage pipe to form a water guide system; paving a transverse slotted hole drainage and seepage plate in the sedimentary beach, wherein two ends of the transverse slotted hole drainage and seepage plate are connected with a longitudinal drainage and seepage pipe paved along a mountain body; a buoy connected with the deposition beach is arranged below the transverse slotted hole seepage drainage plate; laying longitudinal slotted hole drainage plates on the upper and lower slope surfaces of the mountain of the tailing pond, and connecting the lower ends of the longitudinal slotted hole drainage plates with drainage pipes; filling the gap of the transverse slotted hole seepage drainage plate into ore drawing in a tailing pond, paving a shoal surface, continuously paving two layers of transverse slotted hole seepage drainage plates on the shoal surface, and connecting two ends of each transverse slotted hole seepage drainage plate with the longitudinal slotted hole seepage drainage plate paved on the Yanshan body; the lower part of the two layers of slotted hole seepage drainage plates is connected with a buoy. The method has the advantages of simple construction, good stability, good drainage effect, effective improvement of the strength of the sedimentary beach and low construction cost.
Description
Technical Field
The invention is applied to the drainage reinforcement method of the high-water-content, ultrafine particle solid waste stockpiling and high-concentration and fine tailing sedimentation beach, and particularly relates to the drainage reinforcement method of the ultrafine tailing sedimentation beach.
Background
The mine superfine tailing pond is generally positioned in a mountain ditch and is formed by dividing a dam into an initial dam, a stacking dam, a dry beach, a clarification area and surrounding mountains from outside to inside. The large particles of the tailings sand are left on a dry beach during ore drawing, the superfine tailings sand and water flow into a clarification area, the superfine tailings sand is gradually deposited in the clarification area to form a deposition beach and upper clear water, the clear water surface is increased to form a barrier lake along with the gradual increase of the production, the dry beach and the deposition beach are formed by the fine tailings sand, the dam body is easy to deform and break and the like due to insufficient strength, the water content in the dam body is high in fluidity and is not easy to heighten to continuously stack the tailings, and a reliable and effective treatment method is not available at present.
Disclosure of Invention
The invention aims to provide a drainage reinforcing method for an ultrafine tailing sedimentary beach, aiming at solving the problems of discharging clear water, reinforcing a dam body and enlarging the storage capacity.
The technical scheme proposed for achieving the purpose is as follows:
a drainage reinforcing method for an ultrafine tailing sedimentary beach comprises the following steps:
firstly, laying a drainage pipe along a mountain outside an initial dam to the interior of the dam;
laying drainage pipes longitudinally on the sedimentary beach along the mountain body, and connecting the drainage pipes with the drainage pipe to form a water guide system;
thirdly, paving a transverse slotted hole drainage plate in the sedimentary beach, wherein two ends of the transverse slotted hole drainage plate are connected with a longitudinal drainage pipe paved along a mountain body, so that water in the transverse slotted hole drainage plate flows into a drainage system;
fourthly, placing a buoy on the deposition beach below the transverse slotted hole seepage drainage plate, and fixedly connecting the buoy with the transverse slotted hole seepage drainage plate to prevent the transverse slotted hole seepage drainage plate from sinking into the deposition beach;
fifthly, laying longitudinal slotted hole drainage plates up and down on the mountain slope of the tailing pond, and connecting the lower ends of the longitudinal slotted hole drainage plates with drainage pipes;
sixthly, ore drawing is carried out in the tailing pond, gaps among the transverse slotted hole drainage plates are filled, the beach surface is paved, two layers of transverse slotted hole drainage plates are continuously paved on the beach surface, and two ends of each transverse slotted hole drainage plate are connected with the longitudinal slotted hole drainage plates paved along the mountain body;
seventhly, placing a buoy on the deposition beach below the second layer of slotted hole seepage drainage plate in the step (c) and fixedly connecting the buoy with the transverse slotted hole seepage drainage plate to prevent the transverse slotted hole seepage drainage plate from sinking into the deposition beach.
Furthermore, in the step I, the drain pipes are laid, the water outlet outside the dam is lower than the outlet inside the dam, and the position of the outlet inside the dam exceeds the dry beach.
And further, determining the number and the intervals of the transverse slotted hole drainage plates according to the actual area and the water content of the mining area by the transverse slotted hole drainage plates.
Furthermore, the floating bowls in the step IV are divided into a high floating bowl and a low floating bowl, the high floating bowl is arranged in the middle of the transverse slotted hole seepage drainage plate, and the low floating bowls are arranged on two sides of the transverse slotted hole seepage drainage plate so as to form a slope capable of draining water to two sides.
The invention has the beneficial effects that: 1. the construction is simple and fast, clear water can be discharged rapidly, and the intensity of the sedimentary beach is reinforced effectively. 2. After construction, the dam body can be continuously lifted to expand the capacity of the tailings pond. 3. The seepage drainage plates are arranged in a layered mode, so that the ascending of a seepage line of the dam in the later period can be controlled, and the anti-skid stability of the dam body is improved. In summary, the present invention has: the construction is simple, the stability is good, the drainage effect is good, the strength of the sedimentary beach is effectively improved, the construction cost is low, and the like, and the method is a preferred drainage and reinforcement method for the sedimentary beach with high water content, ultrafine particle solid wastes for stockpiling and high concentration and fine tailings.
Drawings
Figure 1 is a top view of an application of the invention.
Fig. 2 is a cross-sectional view of an application of the present invention.
1-drain pipe, 2-seepage drainage pipe, 3-transverse slotted hole seepage drainage plate, 4-float bowl, 5-longitudinal slotted hole seepage drainage plate.
Detailed Description
The drainage reinforcing method for the superfine tailing sedimentary beach comprises the following steps:
step one, laying a drain pipe 1 along a mountain from the outside of an initial dam to the inside of the dam;
step two, longitudinally laying a drainage and seepage pipe 2 on the sedimentation beach along the mountain body, and connecting the drainage pipe with a drainage pipe to form a water guide system;
thirdly, paving a transverse slotted hole drainage and seepage plate 3 in the sedimentary beach, wherein two ends of the transverse slotted hole drainage and seepage plate 3 are connected with a longitudinal drainage and seepage pipe 2 paved along a mountain body, so that water in the slotted hole drainage and seepage plate flows into a drainage system;
placing a buoy 4 on the deposition beach below the transverse slotted hole seepage drainage plate and fixedly connecting the buoy with the transverse slotted hole seepage drainage plate 3 to prevent the transverse slotted hole seepage drainage plate 3 from sinking into the deposition beach;
fifthly, laying longitudinal slotted hole seepage drainage plates 5 up and down on the mountain slope of the tailing pond, and connecting the lower ends of the longitudinal slotted hole seepage drainage plates 5 with the seepage drainage pipes 2;
step six, filling gaps of the transverse slotted hole seepage drainage plates into ore drawing in a tailing pond, paving a shoal surface, continuously paving two layers of transverse slotted hole seepage drainage plates 3 on the shoal surface, and connecting two ends of each transverse slotted hole seepage drainage plate 3 with the longitudinal slotted hole seepage drainage plates 5 paved along the mountain body;
and step seven, placing the buoy 4 on the deposition beach below the transverse slotted hole seepage drainage plate 3 on the second layer in the step six, and fixedly connecting the buoy 4 with the transverse slotted hole seepage drainage plate 3 to prevent the transverse slotted hole seepage drainage plate 3 from sinking into the deposition beach.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, in the first step, the drain pipe 1 is laid, the water outlet outside the dam is lower than the outlet inside the dam, and the position of the outlet inside the dam exceeds the dry beach.
Furthermore, in the third step, the number and the intervals of the transverse slotted hole drainage plates 3 are determined according to the actual area and the water content of the mining area by the transverse slotted hole drainage plates 3, and the number and the intervals of the transverse drainage plates are determined according to the actual area and the water content of the mining area.
Furthermore, the floating pontoon 4 divides into two kinds of height in the above-mentioned step four, and the middle of horizontal slotted hole drainage plate 3 is placed high floating pontoon 4 both sides and is placed low floating pontoon 4 and form the slope that can to both sides drainage.
Claims (4)
1. A drainage reinforcing method for an ultrafine tailing sedimentary beach comprises the following steps:
firstly, laying a drainage pipe along a mountain outside an initial dam to the interior of the dam;
laying drainage pipes longitudinally on the sedimentary beach along the mountain body, and connecting the drainage pipes to form a drainage system;
thirdly, paving a transverse slotted hole drainage plate in the sedimentary beach, wherein two ends of the transverse slotted hole drainage plate are connected with a longitudinal drainage pipe paved along a mountain body, so that water in the transverse slotted hole drainage plate is shunted into a drainage system;
fourthly, placing a buoy on the deposition beach below the transverse slotted hole seepage drainage plate, and fixedly connecting the buoy with the transverse slotted hole seepage drainage plate to prevent the transverse slotted hole seepage drainage plate from sinking into the deposition beach;
fifthly, laying longitudinal slotted hole drainage plates up and down along the mountain slope of the tailing pond, wherein the lower ends of the longitudinal slotted hole drainage plates are connected with drainage pipes;
sixthly, drawing ores into a tailing pond, filling gaps of the transverse slotted hole drainage plates, paving a shoal surface, continuously paving a second layer of transverse slotted hole drainage plates on the shoal surface, and connecting two ends of each transverse slotted hole drainage plate with the longitudinal slotted hole drainage plates paved along the mountain body;
and seventhly, placing a buoy on the deposition beach below the second layer of transverse slotted hole seepage drainage plate in the step (c) and fixedly connecting the buoy with the transverse slotted hole seepage drainage plate to prevent the transverse slotted hole seepage drainage plate from sinking into the deposition beach.
2. The method for draining and reinforcing the sedimentary beach of the ultrafine tailings as claimed in claim 1, wherein the drainage pipes are laid in the step (i), the outlet of the drainage pipes outside the dam is lower than the outlet of the drainage pipes inside the dam, and the outlet of the drainage pipes inside the dam is higher than the dry beach.
3. The method for drainage reinforcement of the ultra-fine tailings beach of claim 1, wherein the number and the spacing of the horizontal slotted drainage plates are determined according to the actual area and the water content of the mining area by the horizontal slotted drainage plates in the step (iii).
4. The method for reinforcing and draining the sedimentary beach of ultrafine tailings as claimed in claim 1, wherein the pontoons are divided into two types of high and low in the step (iv), the high pontoons are placed in the middle of the horizontal slotted drainage plate, and the low pontoons are placed on both sides of the horizontal slotted drainage plate to form a slope capable of draining water to both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911079462.6A CN110747843B (en) | 2019-11-07 | 2019-11-07 | Drainage reinforcing method for superfine tailing sedimentary beach |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911079462.6A CN110747843B (en) | 2019-11-07 | 2019-11-07 | Drainage reinforcing method for superfine tailing sedimentary beach |
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| CN110747843A CN110747843A (en) | 2020-02-04 |
| CN110747843B true CN110747843B (en) | 2021-05-04 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU926288A1 (en) * | 1980-06-10 | 1982-05-07 | Московский Ордена Трудового Красного Знамени Горный Институт | Method for hydraulically deposing muck in stock-piles and tail storage facilities |
| CN203808044U (en) * | 2014-05-20 | 2014-09-03 | 中冶集团武汉勘察研究院有限公司 | Round-hole rectangular reinforcing drainage composite component |
| CN103924576B (en) * | 2013-01-15 | 2016-12-28 | 中冶集团武汉勘察研究院有限公司 | A kind of fine tailings reinforcement fill dam Based Intelligent Control solid row oozes vacuum method |
| CN108914879A (en) * | 2018-07-19 | 2018-11-30 | 兰州有色冶金设计研究院有限公司 | A kind of frame-type row infiltration system and method |
| CN109811728A (en) * | 2019-03-12 | 2019-05-28 | 广西瑞宇建筑科技有限公司 | One kind being used for tailing Kuku surface self-adaption assembled discharge conduit |
-
2019
- 2019-11-07 CN CN201911079462.6A patent/CN110747843B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU926288A1 (en) * | 1980-06-10 | 1982-05-07 | Московский Ордена Трудового Красного Знамени Горный Институт | Method for hydraulically deposing muck in stock-piles and tail storage facilities |
| CN103924576B (en) * | 2013-01-15 | 2016-12-28 | 中冶集团武汉勘察研究院有限公司 | A kind of fine tailings reinforcement fill dam Based Intelligent Control solid row oozes vacuum method |
| CN203808044U (en) * | 2014-05-20 | 2014-09-03 | 中冶集团武汉勘察研究院有限公司 | Round-hole rectangular reinforcing drainage composite component |
| CN108914879A (en) * | 2018-07-19 | 2018-11-30 | 兰州有色冶金设计研究院有限公司 | A kind of frame-type row infiltration system and method |
| CN109811728A (en) * | 2019-03-12 | 2019-05-28 | 广西瑞宇建筑科技有限公司 | One kind being used for tailing Kuku surface self-adaption assembled discharge conduit |
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| CN110747843A (en) | 2020-02-04 |
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