CN107604891A - Flow-guiding type ore drawing Ikeda and its ore drawing method - Google Patents
Flow-guiding type ore drawing Ikeda and its ore drawing method Download PDFInfo
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- CN107604891A CN107604891A CN201710848730.0A CN201710848730A CN107604891A CN 107604891 A CN107604891 A CN 107604891A CN 201710848730 A CN201710848730 A CN 201710848730A CN 107604891 A CN107604891 A CN 107604891A
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- 241001562081 Ikeda Species 0.000 title claims abstract description 101
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000004576 sand Substances 0.000 claims abstract description 15
- 235000007164 Oryza sativa Nutrition 0.000 claims description 4
- 235000009566 rice Nutrition 0.000 claims description 4
- 238000004062 sedimentation Methods 0.000 claims description 3
- 239000010902 straw Substances 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 17
- 230000001629 suppression Effects 0.000 abstract description 8
- 101100041681 Takifugu rubripes sand gene Proteins 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 241000209094 Oryza Species 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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Abstract
The present invention relates to a kind of flow-guiding type ore drawing Ikeda and its ore drawing method, it is characterised in that makes some groups of ore drawing Ikedas along dam direction on dry sand of tailings reservoir surface, every group of ore drawing Ikeda is made up of two or more ore drawing pond；Described ore drawing pond is made up of pool wall, cut-off dam and drawhole, and each ore drawing pond drawhole corresponds to more than one ore drawing branch pipe, and also staggeredly the training dyke ridge is provided with each ore drawing pond；During ore drawing, ore drawing is carried out using the method for secondary ore drawing.It is an advantage of the invention that：This ore drawing method, it can make to remain in ore pulp in ore drawing Ikeda, Gan Tan surfaces are by ore pulp all standing inside ore drawing Ikeda, it is big that ore pulp covers dry beach face product, ore pulp, which covers dry beach face product, can reach more than 90%, greatly reduce dam Nei Gan beaches and play dirt area, play effective dust suppression effect.
Description
Technical field
The invention belongs to the dust suppression technology field of mine tailing mud, more particularly to a kind of flow-guiding type ore drawing Ikeda and its ore drawing side
Method.
Background technology
Iron ore mine dry sand of tailings reservoir in dry season or wind season by generating region property dust pollution question, due to the main work(of Tailings Dam
Can store last person's slag in metal mine production process and ring water is reclaimed for selecting factory to recycle by natural filtration, Tailings Dam
Including dam body, Gan Tan, water catchment area, formed wherein dry beach is all mill tailings natural sedimentation, powder can be formed in dry season or wind season
Dirt pollution problem, the dust-suppression method of present comparative maturity is sprinkling dust suppressant solidification Gan Tan surfaces, watering dust suppression method and multitube pond
Field ore drawing method.It is preferable to spray dust suppressant anti-dust effect, but dry beach face product is big, and dynamic ore drawing, and after dust suppressant solidification again
Ore drawing will fail, so being applicable the Tailings Dam for having closed storehouse.The shortcomings that dust suppression method of sprinkling water is that spray area is big, and up-front investment takes
With big, later maintenance cost is big, and dam facing constantly increases, and watering pipeline periodically also needs to raise, and is largely applicable in storehouse
Water, influence backwater amount in storehouse.Ikeda ore drawing dust suppression method is a kind of dust-suppression method of low-cost high-efficiency, and this method is directed to tail
The dry beach face product in ore deposit storehouse is big, the unfixed feature in ore drawing position, surface configuration in utilizing works mechanical alteration dam, in storehouse Nei Gan beaches table
Ikeda is built in face, and ore pulp is placed in Ikeda, and dry beach all standing, holding are done into beach surface wettability with ore pulp, suppress airborne dust.Solve
With two key problems of ore pulp dust suppression.First, because storehouse Nei Gan beaches are the part high-land close to dam body, close to water catchment area
Dry beach gesture it is low, ore pulp flows along physical features after ore drawing, forms zanjon, and ore pulp flows in ditch, and it is very small to cover dry beach face product,
More than 85% dry beach can not be covered by ore pulp.Second, doing beach by ore pulp covering part, because mortar retention time is short, water penetration arrives
It is shallow under Gan Tan top layers, so having dried dirt after ore drawing again soon, in the dry wind season such as spring, autumn, done after general ore drawing
Beach dries 48 hours or so and begins to play dirt again.
The content of the invention
It is an object of the invention to provide a kind of flow-guiding type ore drawing Ikeda and its ore drawing method, solve Ikeda ore drawing at initial stage due to
Pond inner slope spends the uneven influence Ikeda ore drawing anti-dust effect at initial stage of ore pulp covering in Ikeda caused by big, physical features is uneven
Problem, improve coverage rate of the ore drawing ore pulp at initial stage in Ikeda to Ikeda Nei Gantan.
The purpose of the present invention is achieved through the following technical solutions：
A kind of flow-guiding type ore drawing Ikeda of the present invention, it is characterised in that：On dry sand of tailings reservoir surface some groups are made along dam direction
Ore drawing Ikeda, multiple ore drawing branch pipes are set on the ore drawing main pipeline of Tailings Dam ring dam laying, every group of ore drawing Ikeda by two with
On ore drawing pond formed；
Described ore drawing pond is made up of pool wall, cut-off dam and drawhole, and each drawhole corresponds to more than one ore drawing branch pipe,
Also staggeredly the training dyke ridge is provided with each ore drawing pond.
Two or three overflow pipes are arranged with the cut-off dam in each ore drawing pond.
The length in the ore drawing pond in each ore drawing Ikeda incremented by successively, and cut-off in the latter pond into dam from dam root
The dam crest height on dam is higher 300mm-500 mm than corresponding previous pond cut-off dam dam root.
It is to set an ore drawing branch pipe on described ore drawing main pipeline at 25-30 rice.
In described cut-off dam surface covering Air Filter or straw mattress.
A kind of ore drawing method of flow-guiding type ore drawing Ikeda, it is characterised in that comprise the following steps：
1）The making of ore drawing Ikeda
Some groups of ore drawing Ikedas are made along dam direction on dry sand of tailings reservoir surface, on the ore drawing main pipeline of Tailings Dam ring dam laying
Multiple ore drawing branch pipes are set, and every group of ore drawing Ikeda is made up of two or more ore drawing pond；
Described ore drawing pond is made up of pool wall, cut-off dam and drawhole, and each ore drawing pond drawhole corresponds to more than one
Ore drawing branch pipe, also staggeredly the training dyke ridge is provided with each ore drawing pond；
2）Ore drawing
2.1 are first turned on first of ore drawing main pipeline corresponding with first ore drawing pond drawhole of first group of ore drawing Ikeda
Ore drawing branch pipe(tube), ore drawing in first ore drawing pond into the first ore drawing group Ikeda, ore pulp are being put in the presence of the Liu Ba ridge
Ore deposit pond infolding is backflowed dynamic, is reduced ore pulp flowing velocity, is accelerated sedimentation；Maintain an equal level when CHARACTERISTICS OF TAILINGS SAND is accumulated to the training dyke ridge
When, stop ore drawing, now, ore pulp runner of turning back is formed on first ore drawing pond Nei Gantan surfaces；First group of ore drawing is opened again
Ore drawing branch pipe(tube) corresponding to second ore drawing pond drawhole in Ikeda, ore pulp by diversion channel enter corresponding to second put
In ore deposit pond, start to carry out ore drawing to second ore drawing pond, ore pulp is in the presence of the Liu Ba ridge, in second ore drawing pond
Turn back flowing, when CHARACTERISTICS OF TAILINGS SAND, which is accumulated to, to maintain an equal level with the training dyke ridge, stop ore drawing, the first time for completing first group of ore drawing Ikeda puts
Ore deposit, then by that analogy, complete the first time ore drawing of each group ore drawing Ikeda；
After the first time ore drawing of 2.2 all ore drawing Ikedas terminates, second of ore drawing is carried out,
During second of ore drawing, while ore drawing branch pipe(tube) corresponding to each pond drawhole in each group ore drawing Ikeda is opened, to each
Ore drawing is carried out simultaneously in ore drawing pond, after being covered after the dry beach more than 90% in pond by ore pulp, closes corresponding ore drawing branch pipe,
By that analogy, ore drawing is carried out to the pond in each group of Ikeda from the Ikeda of abutment to the Ikeda of dam tail in order, realizes closed loop
Ore drawing.
The beneficial effects of the invention are as follows：
The setting of the flow-guiding type ore drawing Ikeda of the present invention, is effectively shortened the Ikeda ore drawing time, improve ore drawing Ikeda efficiency and
Ore pulp coverage rate in Ikeda, first ore drawing branch pipe(tube) ore drawing concentration is big when making full use of ore drawing total pipeline ore drawing, coverage rate
The wide characteristic of product, at it, into dam, the training dyke ridge of simple folded plate type is built in ore pulp trickling direction, is increased ore pulp area coverage, is protected
Shield cut-off dam sand running-down, reduces quantities.Solve to be put into that pulp density in Ikeda is big, and Ikeda Nei Gantan accumulated simultaneously
It hurry up, absolute altitude increases too fast the problem of influenceing service life.
After installing overflow pipe due to ore drawing Ikeda, mineral pulp level overflows automatically after reaching the absolute altitude of overflow pipe in ore drawing Ikeda
Stream, be not in that water level is too high, separate dam dam break the problem of.
Because present invention employs ore drawing twice, the dry beach that such high concentration at initial stage ore drawing heap comes is in dampness
Will not airborne dust, improve coverage rate of the ore drawing Ikeda ore drawing ore pulp at initial stage to Ikeda Nei Gantan, improve the suppression at Ikeda ore drawing initial stage
Dirt effect.
There is single ore drawing branch pipe in each pond of second of ore drawing, realizes that each ore drawing pond individually enters ore deposit, stops ore deposit, pond
Pool wall and cut-off dam will not be damaged by ore pulp, this ore drawing method, can make to remain in ore pulp in Ikeda, inside Ikeda dry beach
Surface is by ore pulp all standing, and ore pulp covers dry beach face product greatly, and ore pulp, which covers dry beach face product, can reach more than 90%, greatly reduce
Dirt area is played on dam Nei Gan beaches, plays effective dust suppression effect.
Brief description of the drawings
Fig. 1 is the structural representation of the flow-guiding type ore drawing Ikeda of the present invention.
Fig. 2 is that the present invention is provided with the structural representation of overflow pipe on the cut-off dam of flow-guiding type ore drawing Ikeda.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
A kind of as shown in figure 1, flow-guiding type ore drawing Ikeda of the present invention, it is characterised in that：In dry sand of tailings reservoir surface Yan Ba
Direction makes some groups of ore drawing Ikedas 3, sets multiple ore drawing branch pipes 2 on the ore drawing main pipeline 1 of Tailings Dam ring dam laying, often
Group ore drawing Ikeda 3 is made up of more than two ore drawing ponds；
Described ore drawing pond is made up of pool wall 3-2, cut-off dam 3-3 and drawhole 3-1, and each drawhole 3-1 is corresponding one
Above ore drawing branch pipe 2, also staggeredly the training dyke ridge 5 is provided with each ore drawing pond.
As shown in Fig. 2 two or three overflow pipes 6 are arranged with the cut-off dam 3-3 in each pond.
The length in the ore drawing pond in each ore drawing Ikeda incremented by successively, and cut-off in the latter pond into dam from dam root
The dam crest height on dam is higher 300mm-500 mm than corresponding previous pond cut-off dam dam root.
It is to set an ore drawing branch pipe 2 on described ore drawing main pipeline 1 at 25-30 rice.
In described cut-off dam 3-3 surfaces covering Air Filter or straw mattress.
The ore drawing method of a kind of flow-guiding type ore drawing Ikeda of the present invention, it is characterised in that comprise the following steps：
The making of ore drawing Ikeda
Some groups of ore drawing Ikedas 3 are made along dam direction on dry sand of tailings reservoir surface, in the ore drawing main pipeline 1 of Tailings Dam ring dam laying
Upper to set multiple ore drawing branch pipes 2, every group of ore drawing Ikeda 3 is made up of two or more ore drawing pond；
Described ore drawing pond is made up of pool wall 3-2, cut-off dam 3-3 and drawhole 3-1, and each drawhole 3-1 is corresponding one
Above ore drawing branch pipe 2, also staggeredly the training dyke ridge 5 is provided with each ore drawing pond.
The present invention is according to total ore deposit amount is exported in ore drawing main pipeline 1, to determine to set how many individual ore drawing branch pipes and how many group to put
Ore deposit Ikeda, determines to set the number in every group of ore drawing Ikeda pond according to the actual physical features in dry beach, on general ore drawing main pipeline 1 every
One ore drawing branch pipe 2 is set at 25-30 rice, to meet that the drying after first group of ore drawing Ikeda ore drawing of abutment plays dirt again
Time is more than the condition of the total time finished from first group of ore drawing Ikeda of abutment to last group of ore drawing Ikeda ore drawing of dam tail.So
Closed loop ore drawing is realized, is not in that the problem of playing dirt in dam during ore drawing is circulated in Ikeda, just can ensure that the anti-dust effect of Tailings Dam.
If dam body length more than more than 3 kilometers, can be arranged at intervals ore drawing Ikeda group, the dry beach between every group of ore drawing Ikeda can pass through
The mode of multitube ore drawing goes to cover with ore pulp.
The training dyke ridge 5 that the present invention is staggered in each ore drawing pond, makes flow direction of the ore pulp in ore drawing Ikeda
Turn back, improve the coverage rate of the ore pulp in ore drawing ore drawing at initial stage Ikeda.
The present invention is also arranged with two or three overflow pipes 6 on the cut-off dam 3-3 in each ore drawing pond.Due to putting
After ore deposit Ikeda installation overflow pipe, mineral pulp level reaches automatic overflow after the absolute altitude of overflow pipe in ore drawing Ikeda, is not in water
Position it is too high, separate dam dam break the problem of.
As embodiment, the present invention puts an ore deposit branch pipe 2, every 6 branch pipe(tube)s on ore drawing main pipeline 1 every 30 meters of settings
One group of ore drawing Ikeda 3 is made, two ore drawing ponds is provided with every group of ore drawing Ikeda, three ore drawing ponds, Mei Gefang can also be set
The drawhole 3-1 in ore deposit pond corresponds to two ore drawing pipes 2, is set in each ore drawing pond and is staggeredly provided with two training dyke ridge 5, ore drawing pond
After the completion of field 3 is built, start ore drawing, use secondary ore drawing method during ore drawing, be first turned on first with first group of ore drawing Ikeda 3
First ore drawing branch pipe(tube) 2 of ore drawing main pipeline 1 corresponding to the drawhole of individual ore drawing pond, first into the first ore drawing group Ikeda
Ore drawing in individual ore drawing pond, due to first ore drawing branch pipe of ore drawing main pipeline 1 or the pulp density of second ore drawing branch pipe 2
Greatly, typically more than 35%, it is not easy to form zanjon on Gan Tan surfaces, and ore pulp separates dam in the presence of the Liu Ba ridge 5 in Ikeda
3-3 and the training dyke ridge 5 meet ore faces and can accumulate a large amount of CHARACTERISTICS OF TAILINGS SANDs quickly, and the width of flow path between the training dyke ridge 5 narrows, in pond
The progress of Gan Tan surfaces is preliminary levelling, treats that beach absolute altitude is done on the training dyke ridge 5 in first ore drawing pond, cut-off dam 3-3 mineral slurry level of meeting
After substantially increasing, when CHARACTERISTICS OF TAILINGS SAND, which is accumulated to, to maintain an equal level with the training dyke ridge 5, stop ore drawing, now, done in first ore drawing pond
Beach surface forms ore pulp runner of turning back；Open and put corresponding to second ore drawing pond drawhole in first group of ore drawing Ikeda 3 again
Ore deposit branch pipe(tube), ore pulp corresponding to the entrance of diversion channel 4 by second ore drawing pond, starting to put second ore drawing pond
Ore deposit, ore pulp backflows dynamic in the presence of the Liu Ba ridge 5 in second ore drawing pond infolding, when CHARACTERISTICS OF TAILINGS SAND is accumulated to and the training dyke ridge
When maintaining an equal level, stop ore drawing, complete the first time ore drawing of first group of ore drawing Ikeda 3, then by that analogy, complete each group ore drawing Ikeda
First time ore drawing.
After the first time ore drawing of all ore drawing Ikedas terminates, second of ore drawing is carried out,
During second of ore drawing, while ore drawing branch pipe(tube) corresponding to each ore drawing pond drawhole in each group ore drawing Ikeda is opened,
Ore drawing is carried out simultaneously into each ore drawing pond, now ore pulp is below 25%, so in ore drawing Ikeda before not long-pending full ore pulp,
Ore pulp always backflow dynamic by the infolding in Ikeda, increases area coverage, efficiently solves ore drawing Ikeda and starts ore drawing to piling ore deposit
During Ikeda Nei Gantan airborne dust problem.After being covered after the dry beach more than 90% in pond by ore pulp, corresponding ore drawing branch is closed
Pipe, by that analogy, ore drawing is carried out to the pond in each group of Ikeda from the Ikeda of abutment to the Ikeda of dam tail in order, realization is closed
Ring ore drawing.
Ore drawing number is more, and the Gan Tan surfaces in Ikeda can be more flat, and ponding can be fewer, and the ore drawing time is also shorter and shorter, institute
Not interfere with safety of dam body, Gan Tan surfaces can maintain the moistening of more than 15 days in ore drawing after-bay, will not play dirt.
Claims (6)
- A kind of 1. flow-guiding type ore drawing Ikeda, it is characterised in that：On dry sand of tailings reservoir surface some groups of ore drawing ponds are made along dam direction Field, multiple ore drawing branch pipes are set on the ore drawing main pipeline of Tailings Dam ring dam laying, every group of ore drawing Ikeda is put by more than two Ore deposit pond is formed；Described ore drawing pond is made up of pool wall, cut-off dam and drawhole, and each drawhole corresponds to more than one ore drawing branch pipe, Also staggeredly the training dyke ridge is provided with each ore drawing pond.
- 2. flow-guiding type ore drawing Ikeda according to claim 1, it is characterised in that on the cut-off dam in each ore drawing pond It is arranged with two or three overflow pipes.
- 3. flow-guiding type ore drawing Ikeda according to claim 1, it is characterised in that ore drawing pond in each ore drawing Ikeda Length from dam root into dam it is incremented by successively, and the latter pond cut-off dam dam crest height than corresponding previous pond every The high 300mm-500 mm of disconnected dam dam root.
- 4. the combined type ore drawing Ikeda according to claim 1 with overflow pipe, it is characterised in that described ore drawing master One ore drawing branch pipe is set on pipeline at 25-30 rice.
- 5. the combined type ore drawing Ikeda according to claim 1 with overflow pipe, it is characterised in that in described cut-off Dam surface covers Air Filter or straw mattress.
- A kind of 6. ore drawing method of flow-guiding type ore drawing Ikeda, it is characterised in that comprise the following steps：1）The making of ore drawing IkedaSome groups of ore drawing Ikedas are made along dam direction on dry sand of tailings reservoir surface, on the ore drawing main pipeline of Tailings Dam ring dam laying Multiple ore drawing branch pipes are set, and every group of ore drawing Ikeda is made up of two or more ore drawing pond；Described ore drawing pond is made up of pool wall, cut-off dam and drawhole, and each ore drawing pond drawhole corresponds to more than one Ore drawing branch pipe, also staggeredly the training dyke ridge is provided with each ore drawing pond；2）Ore drawing2.1 are first turned on first of ore drawing main pipeline corresponding with first ore drawing pond drawhole of first group of ore drawing Ikeda Ore drawing branch pipe(tube), ore drawing in first ore drawing pond into the first ore drawing group Ikeda, ore pulp are being put in the presence of the Liu Ba ridge Ore deposit pond infolding is backflowed dynamic, is reduced ore pulp flowing velocity, is accelerated sedimentation；Maintain an equal level when CHARACTERISTICS OF TAILINGS SAND is accumulated to the training dyke ridge When, stop ore drawing, now, ore pulp runner of turning back is formed on first ore drawing pond Nei Gantan surfaces；First group of ore drawing is opened again Ore drawing branch pipe(tube) corresponding to second ore drawing pond drawhole in Ikeda, ore pulp by diversion channel enter corresponding to second put In ore deposit pond, start to carry out ore drawing to second ore drawing pond, ore pulp is in the presence of the Liu Ba ridge, in second ore drawing pond Turn back flowing, when CHARACTERISTICS OF TAILINGS SAND, which is accumulated to, to maintain an equal level with the training dyke ridge, stop ore drawing, the first time for completing first group of ore drawing Ikeda puts Ore deposit, then by that analogy, complete the first time ore drawing of each group ore drawing Ikeda；After the first time ore drawing of 2.2 all ore drawing Ikedas terminates, second of ore drawing is carried out,During second of ore drawing, while ore drawing branch pipe(tube) corresponding to each pond drawhole in each group ore drawing Ikeda is opened, to each Ore drawing is carried out simultaneously in ore drawing pond, after being covered after the dry beach more than 90% in pond by ore pulp, closes corresponding ore drawing branch pipe, By that analogy, ore drawing is carried out to the pond in each group of Ikeda from the Ikeda of abutment to the Ikeda of dam tail in order, realizes closed loop Ore drawing.
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| CN201710848730.0A CN107604891A (en) | 2017-09-20 | 2017-09-20 | Flow-guiding type ore drawing Ikeda and its ore drawing method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108842724A (en) * | 2018-06-13 | 2018-11-20 | 国家安全生产监督管理总局信息研究院 | A kind of fine tailings and high concentration do not sort the quick damming method of tailing |
| CN110029631A (en) * | 2018-12-07 | 2019-07-19 | 包头钢铁（集团）有限责任公司 | A kind of high-quality operation operating method in extremely frigid zones high-concentration tailings library |
| CN112575746A (en) * | 2020-12-28 | 2021-03-30 | 金川集团股份有限公司 | Ore drawing method for improving stability of dam body |
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| CN112575746A (en) * | 2020-12-28 | 2021-03-30 | 金川集团股份有限公司 | Ore drawing method for improving stability of dam body |
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Application publication date: 20180119 |