CN108941146A - A kind of barren rock and crude tailings mixing stacked arrangement - Google Patents
A kind of barren rock and crude tailings mixing stacked arrangement Download PDFInfo
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- CN108941146A CN108941146A CN201810709525.0A CN201810709525A CN108941146A CN 108941146 A CN108941146 A CN 108941146A CN 201810709525 A CN201810709525 A CN 201810709525A CN 108941146 A CN108941146 A CN 108941146A
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- tailing
- mixing
- barren rock
- tailings
- stockyard
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B1/00—Dumping solid waste
- B09B1/006—Shafts or wells in waste dumps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
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Abstract
The invention belongs to metallic ore solid waste discharge technical fields, and in particular to a kind of barren rock and tailing mixing stacked arrangement, earth's surface stores up link suitable for chats and Tailings Disposal.Mine is constructed to combine with the waste-rock yard of operational management and Tailings Dam respectively and is constructed as a mixing stockyard, this mixing stockpiling mode can overcome two kinds of mine solid waste individually to store up the defects of bring heap field stability is poor, acid wastewater in mine pollutes environment., gap high using barren rock shearing strength be big and the complementary characteristics such as tailings particles are thin, gap is small, and barren rock-tailing mixing disposition soma is dry more rapidly, stability is more preferable.Mode is individually stored up compared to barren rock, tailing, mixing disposition body volume is smaller, and can realize that solid waste stores up process safety, economy, greenization.
Description
Technical field
The invention belongs to metallic ore solid waste surface discharge technical fields, and in particular to a kind of barren rock and tailing mixing
Stacked arrangement, earth's surface stores up link suitable for chats and Tailings Disposal.
Background technique
Demand with national economy to mineral products is growing day by day, and Mineral Resources in China exploitation scale is unprecedented.Therewith
Associated, the burden and incremental change of mine solid waste have also arrived troubling stage.According to statistics, China's tailing and useless
All day efficiency volume of cargo in storage has been approached 60,000,000,000 tons at present, wherein 14,600,000,000 tons of tailings impoundment, and barren rock stores up 43,800,000,000 tons.
China's mill tailings is increased with the rate for being often close on 1000000000 tons, compared with huge make of refuse, tailings comprehensive benefit
Dosage is 3.3 hundred million tons, and comprehensive utilization ratio is only 30.7%, and most of tailing is stored up using the in line Tailings Dam that enters of traditional wet type.
At the same time, the overburden amount of China's mining barren rock is also very surprising.The ore of every 1 ton of the exploitation of sub-terrain mines, will generate useless
2~3 tons of stone, the ore of every 1 ton of the exploitation of opencut is it is necessary to removing 6~8 tons of barren rock.In the prior art, there is ground in the usual heap of barren rock
In table waste-rock yard or refuse dump.
The Mine Solid Wastes such as tailing and barren rock are carried out using conventional method largely to store up, and bring all kinds of hidden danger, no
It outside the problems such as only causing land use, geological environment, ecological, environmental protective, but also is the accident source of Important Project and geological disaster.
Seek a kind of barren rock and tailing mixing stacked arrangement for this purpose, having and must have, both can solve barren rock and individually disposed bring
Problem, and the technical advantage of dense tailing surface discharge can be had both.
Summary of the invention
In view of the above technical problems, the present invention provides a kind of barren rock and tailing mixing stacked arrangement.This method by barren rock and
Tailing carries out mixing stockpiling, and a small amount of moisture is oozed out by hillock body gap in high-concentration tailings, and passes through mixing stockyard surrounding
Collecting gutter be collected to nearby pool circulating utilize.Barren rock continuously parallel in mixing stockyard can be made with the technique of tailings impoundment
Industry, work flow is simple, and it is good that solid waste accumulates effect.Barren rock and tailing mixing stockpiling slope angle degree are big, overcome barren rock
The shortcomings that stockpiling takes up a large area.Gap between barren rock is filled and is covered by fine grained crude tailings, and it is useless to reduce sulfur compound
Stone and air, contacting rain water and aoxidize the probability for generating acid waste water；Tailings impoundment is realized in earth's surface simultaneously, is reduced Tailings Dam and is lost
Steady dam break security risk, and implementing process is simple, stockpiling is high-efficient, has preferable economic advantages.
The present invention is achieved by the following technical solutions:
Barren rock stockyard and Tailings Dam are combined and are constructed as a mixing stockyard by a kind of barren rock and tailing mixing stacked arrangement, will
Barren rock and tailing carry out active mixing and stockpiling in mixing stockyard；The method specifically:
(1) in the mixing stockyard, barren rock is accumulated and rolls to form trapezoidal hillock body, every two adjacent trapezoidal useless
Inverted trapezoidal groove is formed between clitter body, stores up space as high-concentration tailings；
(2) factory's crude tailings are selected to be dehydrated through Paste thickener, the high concentration full-tailing slurry prepared is transported to the tailing
Stockpiling is directly stored up in space；Moisture in the full-tailing slurry is oozed out by the trapezoidal hillock body, and by collecting
It collects in ditch；The full-tailing slurry spontaneously dries, and forms stable tailing heap body；The trapezoidal hillock body and the tailing
Accumulation body forms the first layer pile；
(3) in first layer pile of formation, trapezoidal hillock body is piled up on tailing heap body in the same way, trapezoidal
The accumulation that high-concentration tailings are carried out on hillock body carries out layer heap product according to this.
Further, the moisture in the full-tailing slurry of high concentration is leaked through barren rock gap, mixes stockyard into being set to
The collecting gutter of surrounding, the pool circulating being disposed about into stockyard utilize.
Further, the mass concentration of the high concentration full-tailing slurry is 60% ~ 75%, has good transportation performance.
Further, the section of the trapezoidal hillock body is isosceles trapezoid, length and the entire length phase for mixing stockyard
Together, it is accumulated using layered rolling, to improve barren rock compaction rate and stability.
Further, the high concentration full-tailing slurry that Paste thickener dehydration obtains is by pipeline to the mixing stockyard
Interior, pipeline is connected by discharge supervisor with bleeder, discharges high-concentration tailings in inverted trapezoidal groove between trapezoidal hillock body
Slurry, until being full of entire groove.
Advantageous effects of the invention:
In the prior art, waste-rock yard and Tailings Dam constructs respectively and operational management；The method of the invention individually will be constructed and be transported
Capable waste-rock yard and Tailings Dam, which is combined, to be constructed as a mixing stockyard, and the mixing of barren rock and tailing, which is stored up, can be achieved mine tailing wastewater
Recycled before factory, and two kinds of mine solid waste can be overcome individually to store up bring complex management, stability is poor, mine spent acidic
The defects of environmental pollution by water.
The method of the invention is high using barren rock shearing strength, gap is big and the thin, good water-retaining property of tailings particles etc. is complementary special
Sign, barren rock-tailing mixing disposition soma is dry more rapidly, stability is more preferable, and disposition is mixed when individually storing up compared to barren rock, tailing
Body volume is smaller, and can realize barren rock crude tailings hybrid reactor body safety, economy, greenization.
Detailed description of the invention
For barren rock-crude tailings mixing stockpiling mixing stockyard schematic diagram in Fig. 1 embodiment of the present invention；
Fig. 2 embodiment of the present invention barren rock-crude tailings mixing stockpiling schematic diagram；
Appended drawing reference: 1. hillock bodies；2. crude tailings heap body；3. Tailings transportation main line；4. tailings discharging bye-pass；5. bulldozing
Machine；6. interim pond；7. mixing the collecting gutter of stockyard surrounding.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is explained in further detail.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, and
It is not used in the restriction present invention.
On the contrary, the present invention covers any substitution done on the essence and scope of the present invention being defined by the claims, repairs
Change, equivalent method and scheme.Further, in order to make the public have a better understanding the present invention, below to of the invention thin
It is detailed to describe some specific detail sections in section description.Part without these details for a person skilled in the art
The present invention can also be understood completely in description.
Embodiment 1
The present embodiment provides a kind of barren rocks and tailing mixing stacked arrangement.The waste-rock yard and tailing that mine is individually constructed and run
Library, which is combined, to be constructed as a mixing stockyard.It selects factory's crude tailings to pass through pipeline to Paste thickener with Pulp pump, is dewatered to
The tailing slurry of mass concentration 60% ~ 75%, then it is transported to earth's surface mixing stockyard emission point；Chats is transported through earth's surface to mixing
Store up barren rock emptying point.Two kinds of Mine Solid Wastes carry out active mixing, compensate for waste-rock yard and Tailings Dam take up a large area,
The defect that Tailings Dam stability is poor, environmental risk is big, the mixing for realizing chats and tailing in earth's surface are stored up, are closed in economy
It is extensive efficient on the basis of reason, safe disposal.
Barren rock is piled into the groove of 1 ~ 3m depth first in stockyard with bull-dozer, then by setting up the connection of tailing branch pipe
The tailings discharging point supervisor for mixing stockyard, plant tailing slurry is discharged in barren rock groove, the mixing of barren rock and tailing is carried out with this
Stockpiling.Tailings discharging needs to keep certain safe distance with barren rock transporting equipment, and the work of different progresses is carried out in mixing stockyard
Skill circulation.Specifically includes the following steps:
The first step selects the full-tailing slurry that factory's concentration is 20 ~ 30% to enter deep wimble thickener by Pulp pump, and dehydration is prepared into 60%
~ 75% high-consistency full auxiliary rotor is transported to earth's surface mixing stockyard through tailings conveying main pipeline using pumping equipment；Mix stockyard
As shown in Figure 1.
Second step, chats are carried to earth's surface mixing stockpiling emptying point through truck transport equipment, barren rock in stockyard are used
It is 1 that it is 3 ~ 5m that bull-dozer, which is piled into the wide 10 ~ 15m in bottom, top width meets vehicle transport to require, highly meets stability requirement
The trapezoidal hillock body of ~ 3m.Heap body length be entire heap field length, accumulated using layered rolling, layered rolling height be 0.3 ~
1.0m guarantees barren rock compaction rate and stability.Two help barren rock accumulation slope angle to meet self-stabilization in groove body.
Third step, reserved space is arranged trapezoidal with barren rock for storing high-concentration tailings between the trapezoidal hillock body of every two
The inverted trapezoidal groove of the identical size of heap body.
4th step connects tailings discharging supervisor in tailings discharging branch pipe and stockyard, in the groove that hillock body is piled up
High-concentration tailings slurry is discharged, until being full of entire groove.
5th step, the parallel operations in barren rock-tailing mixing stockyard, interval synchronization carry out barren rock groove pile up and tailing
Discharge.
6th step is piled up on tailing heap body in the same way after tailing seeps water and spontaneously dries in groove body
Trapezoidal hillock body carries out the accumulation of high-concentration tailings on hillock body, carries out layer heap product (as shown in Figure 2) according to this.
7th step, since Paste tailings concentration is high, a small amount of moisture is leaked through barren rock gap, is catchmented into mixing stockyard surrounding
Ditch, the pool circulating being disposed about into stockyard utilize.
Method provided in this embodiment realizes the combination of high concentration full-tailing slurry surface discharge and the stockpiling of barren rock earth's surface,
Overcome traditional low concentration tailings discharging and heap be stored in earth's surface Tailings Dam safety and environment influence, before realizing mine tailing wastewater factory
Recycling, solves the problems, such as to take up a large area when waste-rock yard and Tailings Dam are constructed respectively.High concentration crude tailings concentration of emission is 60%-
75%, there is preferable transportation performance, prepare low with the energy that conveying expends.Compared to traditional low concentration full-tailing slurry (20% ~
30%), high concentration last mortar water content is few, and when being stored up on hillock body, moisture can leak into mixing through barren rock gap
The collecting gutter of stockpiling, therefore tailing heap body rate of drying is fast, heap body stability is good.Equipment and technology maturation involved in this method
Reliably, invention applicability is wide, and scheme implementing process is simple, and effect is obvious.
Embodiment 2
The extensive outdoor mining by stages mode of certain ore mining, chats and tailings yield are larger.By from solid waste grain
From the aspect of grade compositional optimization and reduction moisture content two, high-concentration tailings-barren rock mixing stockpiling is carried out.By outdoor removing barren rock
Transport is piled up, layered rolling extremely formation 10 ~ 20m of bottom width, high 1 ~ 4m, 3 ~ 5m of top width, length is stockyard overall length to mixing stockyard
Trapezoidal hillock body, and between every two hillock body formed a 3 ~ 5m of bottom width, high 1 ~ 4m, 10 ~ 20m of top width inverted trapezoidal
Groove.Meanwhile factory's full-tailing slurry will be selected dense to 60% ~ 75% mass concentration, it is delivered to opencast discharging earth field and Tailings Dam one
Bodyization mixes stockyard, and movement simultaneously connects tailing branch pipe, high-concentration tailings are emitted into the groove of inverted trapezoidal, until filling up entire
Groove.
The method of the invention promotes the safety of disposition of solid waste body while improving barren rock compactness；Subtract
Few tailings moisture content, to be recycled before realizing waste plant, destruction of the reduction to ecological environment around mine；At novel mixing
Technology is set, the occupied area in stockpiling place is substantially reduced, improves the effective volume and effective rate of utilization in stockpiling place.Solid waste
Object disposes mode, can not only meet the solid waste discharge technology needs for adopting stripping ability opencut year, and can eliminate biography
It unites safety and the environmental problems such as wet row's Tailings Dam internal water accumulation, stability difference.
Claims (2)
1. a kind of barren rock and tailing mixing stacked arrangement, which is characterized in that combine waste-rock yard and Tailings Dam and construct as one
Stockyard is mixed, barren rock and tailing are subjected to active mixing and stockpiling in mixing stockyard；The method specifically:
(1) in the mixing stockyard, barren rock is accumulated and rolls to form trapezoidal hillock body, every two adjacent trapezoidal useless
Inverted trapezoidal groove is formed between clitter body, stores up space as Paste tailings；
(2) it selects factory's crude tailings to be dehydrated through Paste thickener, is prepared into high concentration full-tailing slurry, be transported to the tailings impoundment
In space and directly stored up；Moisture in the high concentration full-tailing slurry is oozed out by the trapezoidal hillock body, and
It is collected by collecting gutter；The full-tailing slurry of the high concentration spontaneously dries, and forms stable tailing heap body；The trapezoidal hillock
Body and tailing accumulation body form the first layer pile；
(3) it in first layer pile of formation, carries out piling up trapezoidal barren rock in the same way on tailing heap body with size
Heap body carries out tailing accumulation between trapezoidal hillock body, carries out layer heap product according to this.
2. a kind of barren rock according to claim 1 and tailing mixing stacked arrangement, which is characterized in that in full-tailing slurry
Water is leaked through barren rock gap, into the collecting gutter for being set to mixing stockyard surrounding, what the collecting gutter was arranged outside the venue with hybrid reactor
Interim pond communicates, and summarizes into the water in the collecting gutter to storing in the interim pond, and recycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810709525.0A CN108941146B (en) | 2018-07-02 | 2018-07-02 | Waste rock and full tailings mixing and stacking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810709525.0A CN108941146B (en) | 2018-07-02 | 2018-07-02 | Waste rock and full tailings mixing and stacking method |
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| Publication Number | Publication Date |
|---|---|
| CN108941146A true CN108941146A (en) | 2018-12-07 |
| CN108941146B CN108941146B (en) | 2021-05-04 |
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| CN201810709525.0A Active CN108941146B (en) | 2018-07-02 | 2018-07-02 | Waste rock and full tailings mixing and stacking method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709233A (en) * | 2020-12-24 | 2021-04-27 | 矿冶科技集团有限公司 | Mine waste rock and concentrated tailing cooperative disposal system and construction method |
| CN112923860A (en) * | 2021-01-28 | 2021-06-08 | 北京科技大学 | Experimental device and method for simulating surface stacking behavior of high-concentration tailing slurry |
| CN114108660A (en) * | 2021-12-14 | 2022-03-01 | 万宝矿产有限公司 | Waste rock-dry tailing combined stockpiling method |
| CN115072400A (en) * | 2022-08-18 | 2022-09-20 | 矿冶科技集团有限公司 | Modified concentrated full-tailings piling method |
| WO2023109378A1 (en) * | 2021-12-14 | 2023-06-22 | 万宝矿产有限公司 | Waste rock and dry tailings combined treatment method for open pit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040711A (en) * | 2015-06-25 | 2015-11-11 | 中钢集团马鞍山矿山研究院有限公司 | Method for strengthening dry tailing storage yard by utilizing barren rocks |
-
2018
- 2018-07-02 CN CN201810709525.0A patent/CN108941146B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040711A (en) * | 2015-06-25 | 2015-11-11 | 中钢集团马鞍山矿山研究院有限公司 | Method for strengthening dry tailing storage yard by utilizing barren rocks |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709233A (en) * | 2020-12-24 | 2021-04-27 | 矿冶科技集团有限公司 | Mine waste rock and concentrated tailing cooperative disposal system and construction method |
| CN112923860A (en) * | 2021-01-28 | 2021-06-08 | 北京科技大学 | Experimental device and method for simulating surface stacking behavior of high-concentration tailing slurry |
| CN112923860B (en) * | 2021-01-28 | 2022-04-08 | 北京科技大学 | Experimental device and method for simulating surface stacking behavior of high-concentration tailing slurry |
| CN114108660A (en) * | 2021-12-14 | 2022-03-01 | 万宝矿产有限公司 | Waste rock-dry tailing combined stockpiling method |
| WO2023109378A1 (en) * | 2021-12-14 | 2023-06-22 | 万宝矿产有限公司 | Waste rock and dry tailings combined treatment method for open pit |
| CN115072400A (en) * | 2022-08-18 | 2022-09-20 | 矿冶科技集团有限公司 | Modified concentrated full-tailings piling method |
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| CN108941146B (en) | 2021-05-04 |
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