CN106761756A - A kind of stope structure for Upward slicing all-tailing cemented filling method - Google Patents
A kind of stope structure for Upward slicing all-tailing cemented filling method Download PDFInfo
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Abstract
The invention discloses a kind of stope structure for Upward slicing all-tailing cemented filling method, a segmentation（c）Height be 6~8m, and each is segmented（c）It is divided into higher slice（c1）, lower leaf（c2）, in higher slice（c1）Ore body lower wall side arrangement lower wall arteries and veins in connection roadway along the pulse（3）, in lower leaf（c2）Ore body on connection roadway along the pulse in the upper disk arteries and veins of disk side arrangement（4）；The interior connection roadway along the pulse of lower wall arteries and veins（3）As higher slice（c1）The ore removal connection roadway of back production, the interior connection roadway along the pulse of upper disk arteries and veins（4）As lower leaf（c2）The ore removal connection roadway of back production；Disk main haulage roadway on stage casing（2）By filling Kuang Chuanmailian lanes（12）With stage casing lower wall main haulage roadway（1）Communicate, the interior connection roadway along the pulse of lower wall arteries and veins（3）Ramp is got in touch with by Slice stoping（7）With stage casing lower wall main haulage roadway（1）Communicate, so as to form a complete transportation system.Production capacity of the present invention is high, adopt small quasi- quantities, process is simple, stope support low cost, is capable of achieving two steps and continuously exploits.
Description
Technical field
The present invention relates on a kind of to route slicing and filling mining codes stope structure arrangement, be particularly well-suited to unstable rock
The underground mine filling mining of layer, can be wide in the exploitation of the layering all-tailing cemented filling of the Underground Metallic Mines such as black, coloured
General application.
Background technology
As the mankind are continuously increased to mineral products demand, mineral resources become fewer and feweri.How rationally, efficient, warp
Help, safely carry out mineral resource development and utilization, reduce the loss of resource, reduce the dilution of ore, improve the quality of ore, be
Exploitation of mineral resources person's questions of common interest.The method of mining by the way of filling is higher exploiting with its high-recovery, the advantage of the low rate of dilution
Breakthrough is achieved in the difficulty mining bed of value, trackless mechanization cemented filling method is occurred in that, post mining with stowing is put
Method, sublevel cut and fill method, large aperture stage open stope afterwards cementing (lumpy rock cementing) method of mining by the way of filling of tailings etc..
On to route stratified filling method be it is a kind of from bottom to top, with tunnel route mode slicing and the mining side of filling
Method.The method has the advantages that back production safety, the rate of recovery is high, dilution is low, is primarily adapted for use in：1. ore-rock is built on the sand or ore is relative
Firm mineral deposit；2. Ore body morphology is irregular, and thickness change is big, the compound many mineral deposits containing horsestone of branch；3. earth's surface needs to protect
The mineral deposit of shield.
The characteristics of method is slicing from bottom to top, the back production of each layering be after layered-liaison tunnel is tunneled, with point
Layer overall height across pitch or capwise divide route, spacing admission passage mining.One step drift stoping finishes Tight filling immediately, so
Back production and two step routes are filled again afterwards, after after the drift stoping sand off of whole layering, then with a layering on drift stoping.
The method is most used early in the mine of Sweden part, China from 1984 since the success of Jinchuan deposit Ⅱ area Experiment in Introduction the method,
In many mine popularization and application, such as Shandong Gold Shandong Jiaojia, middle areas in Shandong Province mining industry Zhang Jia mining areas, Northern Huaihe River Anhui mining area.
The current method still suffers from certain limitation, such as：Limited by stope arrangement and operating condition, it is impossible to realize big rule
Mould is exploited；Mining technology is complicated, adopts quasi- quantities big；Two step mineral building back production must be carried out in the obturation of a step back production
Quasi- construction is adopted, security reliability is poor；Using two step back production, it is impossible to realize mine continuously exploitation etc.；Stope Parameters are steady by ore-rock
The restriction of solidity, stope support high cost；Charge stratifying is highly small, it is impossible to realize big production capacity filling, and filling cost is high.
For example,《Gold》" application and development of the slicing and filling mining codes in Shandong Jiaojia " intermediary of the publication of in September, 1999
The application continued in mechanization to route slicing and filling mining codes in Shandong Jiaojia.The advantage of the method is:(1) the stope scope of operation
It is many, it may be achieved to adopt, go out, fill parallel operations；(2) not pillar, loss late, the rate of dilution are smaller, generally 8 %~10 % with
Under；(3) Drift span is small, and top board open-assembly time is short, is aided with roof bolting, meets engineering geological condition and mining is adopted, soon soon
The requirement go out, filled soon, security is greatly improved；(4) ore removal method is more flexible, big with what ramp and segmentation tunnel were communicated
Stope (mainly mother-lode), typically uses scraper ore removal.The method also exposes following shortcoming:(1) IV class particularly poor to rock
Rock mass still cannot back production, even if tight supporting of meeting head on dig up mine successfully, but lose, the rate of dilution and mining cost all will be very high.Therefore,
Industry ore body (mainly in -70~-100m stage casings) to the north of the line of Shandong Jiaojia 80, except it is lower to actual nugget in addition to, do not have substantially
Make more back production.(2) crossed because of mother-lode dilation and with " people " font that 3 feel the pulse, when orebody thickness increases more,
Script is placed in the drainage sump of stope middle part ore body lower wall, cannot be just continuing with when stope mining is to half, cause
Part stope sill ponding is so that obturation softening, produces sunken car and base plate to adopt lower scattered ore deposit loss.（3）Production capacity of mining field is low,
Typically only 80t/d.
The content of the invention
The purpose of the present invention aiming at it is upper at present to route stratified filling method production capacity it is low, adopt quasi- quantities greatly, work
Skill is complicated, stope support high cost and two steps cannot realize the problems such as continuously exploiting, it is proposed that one kind is complete for Upward slicing
The stope structure of tailing fill method, it is intended to realize high-efficiency and continuous large scale mining, reduces cost of winning.
To realize above-mentioned purpose of the invention, a kind of stope knot for Upward slicing all-tailing cemented filling method of the invention
Structure, using following technical scheme：Arrange that, along orebody trend direction, every 45~60m is divided into a stope, one according to stope
Stope arranges 9~12 routes, and the width of route is 4.5~5.5m；The disk drop shaft in arrangement outside the arteries and veins of disk on the ore body, in ore body
Lower wall drop shaft is arranged outside lower wall arteries and veins, stage casing lower wall main haulage roadway is arranged in outside the mineral ore of ore body lower wall, disk main haulage roadway on stage casing
It is arranged on ore body outside the mineral ore of disk, upper stage casing lower wall main haulage roadway is arranged in outside a mineral ore for stage casing ore body lower wall.With
It is to route stratified filling method stope structure difference traditionally：One height of segmentation in the stage casing is 6~8 m,
And each is divided into higher slice, lower leaf, the connection roadway along the pulse in the ore body lower wall side arrangement lower wall arteries and veins of higher slice,
The connection roadway along the pulse in disk arteries and veins in the arrangement of disk side on the ore body of lower leaf；The interior connection roadway along the pulse of lower wall arteries and veins is used as higher slice back production
Ore removal connection roadway, in upper disk arteries and veins along the pulse connection roadway as lower leaf back production ore removal connection roadway；Disk main haulage roadway leads on stage casing
Cross dress Kuang Chuanmailian lanes to be communicated with stage casing lower wall main haulage roadway, connection roadway gets in touch with ramp by Slice stoping along the pulse in lower wall arteries and veins
Communicated with stage casing lower wall main haulage roadway, so as to form a complete transportation system；Each stope lower wall centre position arrangement one
Bar filling and the ventilation shaft of stope return air, as filling piping arrangement and the main thoroughfare of stope return air.
The m of height 7~8 of above-mentioned each segmentation is preferred, and wherein higher slice, the m of height 3.5~4 of lower leaf are advisable.
Preferably stope structure parameter of the invention is：Along orebody trend direction, a stope is divided into per 50m, one is adopted
Field 10 routes of arrangement, the width of route is 5m；The height of each segmentation is 7~8m, and higher slice is highly 3.5m, and lower leaf is high
It is 3.5~4.5m to spend.
A kind of stope structure for Upward slicing all-tailing cemented filling method of the invention is adopted using after following technical scheme
Mining type is changed into：
1）A segmentation exploitation is merged into higher slice, lower leaf, a step is exploited higher slice, entered in higher slice higher slice first
After road back production is finished, supporting is first carried out to higher slice top board or tunneling boring according to ore steadiness, then exploit lower leaf route
Ore body；
2）According to the steadiness of ore in same panel horizontal direction, the mode of selection one stop panel or two stop panel is returned
Adopt, after the completion of a step higher slice mineral building, lower leaf mineral building back production, consolidated fill is carried out, after obturation reaches curing strength
The back production of adjacent mineral building is carried out immediately, continuous exploitation is realized, after the completion of a segmentation complete extraction, the unified layer that rises carries out higher slice
Drift stoping works, and to reduce the quasi- quantities of adopting of two step pillar recoveries, improves back production efficiency, reduces mining cost.
Higher slice uses the horizontal rock drilling of drill jumbo, such as Boomer281 Fully-hydraulic drilling rigs, and lateral aperture falls ore deposit；Lower point
Using lower to upright opening rock drilling drawing back, lateral caving, layer height can increase to 4.5m to layer drift stoping, reduce once
Shield topmast shield, and the lower leaf back production explosion scope of freedom is more, improves blasting efficiency, reduces construction cost.Rendrock is selected
Emulsion, detonation is segmented detonation using nonel tube.
Nugget for horizontal breadth more than 15m, the vertical orebody trend arrangement of stope, length of stope is thick ore body level
Degree；When ore body horizontal breadth is excessive, multiple panels should be divided into by the no more than principle of 60m.
A kind of stope structure for Upward slicing all-tailing cemented filling method of the invention, is layered on traditional to route
Stope structure parameter optimization is carried out on the basis of cemented filling mining method, has simplified mining technique, reduced stope support work
Journey amount and quasi- quantities is adopted, so as to reduce mining cost, filling height of lift brings up to 7~8m by 3 traditional~5m, improves
Pack effectiveness and mining production efficiency, have ensured mining safety and the rate of extraction, reduce ore dilution rate.
Compared with traditionally cemented-method is layered to route, the present invention is a kind of to be used for Upward slicing all-tailing cemented filling
The stope structure of method is applied to opposite route Upward slicing all-tailing cemented filling method, is capable of achieving two steps and continuously exploits, and has
Advantages below：
（1）Stope structure parameter is optimized, upper and lower two layerings merge back production, higher slice is highly 3.5m, lower leaf
Highly it is 3.5~4.5m；Sublevel fill stoping highly reaches 7.0-8.0m；Route width is still 5m, can be appropriate according to ore-rock stability
Increase parameter to 6~7m.
（2）Mining technology is simple, and higher slice uses the horizontal rock drilling of drill jumbo, lower leaf to be adopted using lower to vertical rock drilling
Miner's skill is simpler, and Stope chute is arranged in outside arteries and veins, is easy to mine management.
（3）Production capacity of mining field is increased substantially.Higher slice back production is with to route layering consolidated fill process for stoping one
Cause, lower leaf back production uses lower to vertical rock drilling drawing back, and back production efficiency is higher, and production capacity has obtained larger carrying
Height, by consolidated fill, realizes continuous exploitation, can greatly improve the production capacity in mine, accomplishes scale production.
（4）Quasi- quantities is adopted to reduce.After a step mineral building back production terminates filling, obturation is stood after reaching curing strength
The back production of adjacent mineral building is carried out, continuous mining technology is realized, reduce two step mineral building back production adopts quasi- quantities, adopts quasi- work
Journey amount reduces about 1/3rd compared on to route layering cemented-method.
（5）Stope support cost is greatly reduced.It is of the invention to merge exploitation using upper and lower two layerings, divide in first back production
Layer, protect after topmast shield, back production lower leaf ore body, it is not necessary to protected top again, according to stope structure parameter, per 7m~
8m once protected topmast shield, support engineering amount compared on reduce about 40% to route slicing and filling, greatly reduce supporting into
This.
（5）The rate of extraction is greatly improved.Stope chute is arranged in the outer rock of arteries and veins, is arranged a Tiao Chuanmai lanes and is adopted every 50m
The contact of drop shaft, only need to reserve Chuan Mai lanes polycrystalline substance, and realize continuous mining technology, be not required to reserved studding and fore-set, can be with
Greatly improve the mining rate of extraction.
（6）The rate of dilution is substantially reduced.Continuously being exploited using route slicing and filling can greatly reduce the incorporation rate of barren rock, drop
The rate of dilution of low ore.
（7）Mining safety is improved.The present invention can realize continuous exploitation, reduce the safety wind of two step mineral building back production
Danger.
Brief description of the drawings
Fig. 1 is a kind of stope structure side view for Upward slicing all-tailing cemented filling method of the invention.
Fig. 2 is a kind of stope structure top view for Upward slicing all-tailing cemented filling method.
Fig. 3 is a kind of stope structure front view for Upward slicing all-tailing cemented filling method.
Reference is：1- stage casings lower wall main haulage roadway；Disk main haulage roadway on 2- stage casings；Got in touch with along the pulse in 3- lower walls arteries and veins
Lane；The interior connection roadway along the pulse of the upper disk arteries and veins of 4-；The upper stage casing lower wall main haulage roadways of 5-；6- wears arteries and veins transportation roadway ore pillar；7- Slice stopings are got in touch with
Ramp；8- lower wall drop shafts；The upper disk drop shafts of 9-；10- higher slice stopes；11- lower leaf stopes；12- fills ore deposit
Chuan Mailian lanes；13- stope filling ventilation shafts；14- obturations；15- bodies to be dug up mine；16- lower leaf back production blastholes；S- stopes；b-
Route；C- is segmented；c1- higher slice；c2- lower leaf.
Specific embodiment
To further describe the present invention, the present invention is described in further detail with reference to the accompanying drawings and examples.
Central China submarine volcano sections mineral deposit, mine engineering complicated geology, the grade of ore is low, and ore body inclines in slow
Tiltedly, tilt distribution and ore interlayer is more, ore body directly contact roof and floor country rock steadiness is poor, and upper disk roof fall is more serious, and
Mining area periphery is generally village and farmland, and surrounding enviroment are complicated.
Mine early stage is exploited on to route stratified filling method, Two step mining, per slice drift one stop panel, production
Ability is about 3000t/d, is influenceed and operating condition is limited due to being arranged by stope, it is impossible to realize large scale mining, and often
Slicing and filling changes layer immediately after finishing, and causes two step mineral building back production difficulty larger.
For problem above, the present invention carries out technological improvement, has invented opposite route Upward slicing complete to former mining methods
Tailing cemented filling mining codes.
Stope structure top view for Upward slicing all-tailing cemented filling method of as shown in Figure 1 of the invention a kind of is simultaneously tied
Close Fig. 2, Fig. 3 to find out, stope structure parameter that the present invention is used, adopt quasi- engineering, process for stoping and be respectively：
（1）Stope structure parameter：Arranged according to stope, along orebody trend direction, a stope S, a stope are divided into per 50m
S arranges 10 route b, and the width of route b is 5m, and 7 m are a height of segmentation c；By each segmentation, c points is higher slice
c1, lower leaf c2, point higher slice and the opposite drift stoping of lower leaf, higher slice c1, lower leaf c2Height be all 3.5m.
（2）Adopt quasi- engineering：Disk drop shaft 9 in arrangement outside the arteries and veins of disk, arranges lower wall drop shaft outside ore body lower wall arteries and veins on the ore body
8, stage casing lower wall main haulage roadway 1 is arranged in outside the mineral ore of ore body lower wall, and disk main haulage roadway 2 is arranged in the ore deposit of disk on ore body on stage casing
Outside arteries and veins, upper stage casing lower wall main haulage roadway 5 is arranged in outside a mineral ore for stage casing ore body lower wall.In higher slice c1Ore body lower wall
Side interior connection roadway 3 along the pulse of arrangement lower wall arteries and veins, in lower leaf c2Ore body on connection roadway 4 along the pulse in the upper disk arteries and veins of disk side arrangement；
The interior connection roadway 3 along the pulse of lower wall arteries and veins is used as higher slice c1The ore removal connection roadway of back production, the interior connection roadway 4 along the pulse of upper disk arteries and veins is used as lower leaf
c2The ore removal connection roadway of back production；Dress Kuang Chuanmailian lanes 12 are arranged in the lower section for wearing arteries and veins transportation roadway ore pillar 6, disk main haulage roadway on stage casing
2 are communicated by filling Kuang Chuanmailian lanes 12 with stage casing lower wall main haulage roadway 1, and connection roadway 3 is joined by Slice stoping along the pulse in lower wall arteries and veins
Network ramp 7 is communicated with stage casing lower wall main haulage roadway 1, so as to form a complete transportation system；In the middle of each stope lower wall
One filling of location arrangements and the ventilation shaft 13 of stope return air, as filling piping arrangement and the main thoroughfare of stope return air.
（3）Process for stoping：By higher slice c1, lower leaf c2A segmentation c exploitation is merged into, a step is exploited point first
Layer c1, in higher slice higher slice c1After drift stoping is finished, higher slice top board or tunneling boring are carried out according to ore steadiness first
Supporting, then exploit lower leaf c2Route ore body；According to the steadiness of ore in same panel horizontal direction, selection one stop panel or
The mode of person's two stop panel carries out back production, in a step higher slice c1Mineral building, lower leaf c2After the completion of mineral building back production, carry out cementing
Filling, obturation reaches the back production for carrying out adjacent mineral building after curing strength immediately, realizes continuous exploitation, a segmentation complete extraction
After the completion of, the unified layer that rises carries out higher slice drift stoping work.
Higher slice c1Using the horizontal rock drilling of drill jumbo, lateral aperture falls ore deposit；Lower leaf c2Drift stoping is using lower to upright opening
Rock drilling drawing back, lateral caving.
Process for stoping is specially：
A. driling explosion：Using Boomer281 Fully-hydraulic drilling rigs, seven teeth drill bits of D45mm, drill steel model R38/ are selected
T38-H35-R32, length 3.7m, higher slice c1Fallen ore deposit using lateral aperture, borehole depth is 3.7m.Lower leaf c2Using lower to vertical
4 rounds, about 6m are once collapsed in straight parallel hole-lower leaf back production blasthole 16, hole depth 3.5m, lateral caving, drawing back.Explosion
Explosive selects emulsion, and detonation is segmented detonation using nonel tube, and the ore deposit that falls eye is one section, and it is two sections that periphery controls eye.On
Layering c1Divide 5 sections of detonations, wherein single order keyhole and second order keyhole is respectively one section, and reliever is divided to two sections of detonations, periphery hole one
Section.Lower leaf c2Back production, side eye and the ore deposit blasthole that falls are divided to two sections of detonations, protect adjacent stope or obturation not to be destroyed, and strengthen
The stability and the reduction rate of dilution of stope.
B. stope ventilation：Pressure differential is formed using mine ventilation system to complete.It is fresh distinguished and admirable through stage casing lower wall fortune
Disk main haulage roadway 2, dress Kuang Chuanmailian lanes 12, Slice stoping contact ramp 7 enter stope on Shu great lanes 1, stage casing, divide in cleaning
Dirty wind after layer stope 10, lower leaf stope 11, upper stage casing return air system is discharged to through stope filling ventilation shaft 13
In system.
C. roof control：Point higher slice c in one segmentation c1, lower leaf c2Two opposite back production of layering, higher slice c1Back production
When, anchor pole or anchor net tunneling boring supporting must be carried out to Stope roof.In stope away from tomography or country rock at, using anchor pole branch
Shield, uses bolting with wire mesh mode at tomography or country rock.Lower leaf c2Back production, strengthens the observation to top board before each ore removal,
Deform or supporting destroy when should immediately carry out consolidation process.
D. ore drawing in stope：Stope broken ore is discharged into lower wall and slips after being filled by WJD-2 scrapers mechanical shovel through dress Kuang Chuanmailian lanes 12
Direct route drop shaft in well 8 or the arteries and veins being directly discharged into stope, then from being located at the vibration ore dumping machine of drop shaft bottom to mine car ore drawing, lead to
Cross locomotive haulage and be transported to main shaft.To reduce impact of the ore to vibrating bottom ore drawing machine and drop shaft, lower wall drop shaft 8, upper disk are slipped
Well 9 should remain full of state.Each panel is equipped with a scraper, and the ore that stope falls is filled by scraper mechanical shovel, is worn through filling ore deposit
Mai Lian lanes 12 are transported to lower wall drop shaft 8 and unload.Ore removal lumpiness is controlled in below 400mm, more than 400mm, two is carried out in stope
Separate explosion treatment.
（4）Stope filling：Admission passage filling can be carried out by proportioning after the completion of all filling preparations, continuously filled necessary
It is well-organized.Station filler reserve status is prepared according to earth's surface filling slurry and admission passage filling volume determine continuous filling when
Between.The 28d compression strength that one step adopts admission passage filling body 14 is not less than 1.0MPa, and two steps are adopted route and carry out Non cemented filling, stope
First, two steps adopt route carry out top dressing filling 28d compression strength be not less than 1.5 MPa, pour face thickness 40cm, be beneficial to higher slice
The walking of trackless equipment during back production.All admission passage fillings finish rear enclosed connecting taxiway, with same method charge stratifying connecting taxiway, system
One liter of layer carries out higher slice drift stoping work, the body to be dug up mine 15 on back production top.
Coordinate efficient mechanical rock drilling to shovel dress equipment by improving process for stoping, mine after using the method, production capacity
Improved to 5000t/d by original 3000t/d, the rate of recovery improves 1%, and dilution reduces 2%, and production cost reduces about 20%,
Achieve extraordinary technology, economic effect.
Claims (4)
1. a kind of stope structure for Upward slicing all-tailing cemented filling method, arranges, along orebody trend side according to stope
To every 45~60m is divided into a stope（S）, stope (S) 9~12 routes of arrangement（b）, route（b）Width be
4.5~5.5m；The disk drop shaft in arrangement outside the arteries and veins of disk on the ore body（9）, lower wall drop shaft is arranged outside ore body lower wall arteries and veins（8）, stage casing
Lower wall main haulage roadway（1）It is arranged in outside the mineral ore of ore body lower wall, disk main haulage roadway on stage casing（2）It is arranged in the mineral ore of disk on ore body
Outward, upper stage casing lower wall main haulage roadway（5）It is arranged in outside a mineral ore for stage casing ore body lower wall, it is characterised in that：The stage casing
One segmentation（c）Height be 6~8 m, and each is segmented（c）It is divided into higher slice（c1）, lower leaf（c2）, at upper point
Layer（c1）Ore body lower wall side arrangement lower wall arteries and veins in connection roadway along the pulse（3）, in lower leaf（c2）Ore body on disk side arrangement on
The interior connection roadway along the pulse of disk arteries and veins（4）；The interior connection roadway along the pulse of lower wall arteries and veins（3）As higher slice（c1）The ore removal connection roadway of back production, upper disk
The interior connection roadway along the pulse of arteries and veins（4）As lower leaf（c2）The ore removal connection roadway of back production；Disk main haulage roadway on stage casing（2）Worn by filling ore deposit
Mai Lian lanes（12）With stage casing lower wall main haulage roadway（1）Communicate, the interior connection roadway along the pulse of lower wall arteries and veins（3）Slope is got in touch with by Slice stoping
Road（7）With stage casing lower wall main haulage roadway（1）Communicate, so as to form a complete transportation system；Each stope lower wall interposition
Put the ventilation shaft of one filling of arrangement and stope return air（13）, as filling piping arrangement and the main thoroughfare of stope return air.
2. a kind of stope structure for Upward slicing all-tailing cemented filling method as claimed in claim 1, its feature exists
In：Each segmentation（c）Height be 7~8 m, wherein higher slice（c1）, lower leaf（c2）Height be 3.5~4 m.
3. a kind of stope structure for Upward slicing all-tailing cemented filling method as claimed in claim 1, it is characterised in that：
Each segmentation（c）Height be 7~8 m, wherein higher slice（c1）Highly it is 3.5m, lower leaf（c2）Highly it is 3.5~4.5m.
4. a kind of stope structure for Upward slicing all-tailing cemented filling method as claimed in claim 1, it is characterised in that：
Along orebody trend direction, a stope is divided into per 50m（S）, stope (S) 10 routes of arrangement（b）, route（b）Width
It is 5m to spend；The height of each segmentation is 7~8m, higher slice（c1）Highly it is 3.5m, lower leaf（c2）Highly it is 3.5~4.5m.
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| CN110552701A (en) * | 2019-10-10 | 2019-12-10 | 锡林郭勒盟山金阿尔哈达矿业有限公司 | Partitioned combined filling mining method |
| CN110905516A (en) * | 2019-11-29 | 2020-03-24 | 金川集团股份有限公司 | High-sublevel cut-and-fill mining method with downward layered horizontal access |
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| CN113565507A (en) * | 2021-08-03 | 2021-10-29 | 长沙矿山研究院有限责任公司 | Open stope subsequent filling mining method for V-shaped top column subsection rock drilling stage of thick and large ore body |
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| WO2022052716A1 (en) * | 2020-09-11 | 2022-03-17 | 中钢集团马鞍山矿山研究总院股份有限公司 | Novel ore mining method suitable for multi-stope synchronous mining of large and thick ore body |
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| CN108843318A (en) * | 2018-05-31 | 2018-11-20 | 西北矿冶研究院 | Method for improving ore removal efficiency of underground stope |
| CN109458181A (en) * | 2018-11-26 | 2019-03-12 | 贵州大学 | A kind of filling mining method of metallic ore across pitch full-seam mining |
| CN109931063B (en) * | 2019-04-25 | 2020-07-24 | 安徽马钢矿业资源集团有限公司 | Upward step-by-step staggered filling mining method |
| CN109931063A (en) * | 2019-04-25 | 2019-06-25 | 马钢集团矿业有限公司 | To substep alternating expression filling mining method in one kind |
| CN110552701A (en) * | 2019-10-10 | 2019-12-10 | 锡林郭勒盟山金阿尔哈达矿业有限公司 | Partitioned combined filling mining method |
| CN110905516A (en) * | 2019-11-29 | 2020-03-24 | 金川集团股份有限公司 | High-sublevel cut-and-fill mining method with downward layered horizontal access |
| CN110905516B (en) * | 2019-11-29 | 2021-05-11 | 金川集团股份有限公司 | High-sublevel cut-and-fill mining method with downward layered horizontal access |
| WO2022052716A1 (en) * | 2020-09-11 | 2022-03-17 | 中钢集团马鞍山矿山研究总院股份有限公司 | Novel ore mining method suitable for multi-stope synchronous mining of large and thick ore body |
| CN113530541A (en) * | 2021-08-03 | 2021-10-22 | 长沙矿山研究院有限责任公司 | Open stope subsequent filling mining method for sectioned rock drilling stage of thick and large ore body |
| CN113565507A (en) * | 2021-08-03 | 2021-10-29 | 长沙矿山研究院有限责任公司 | Open stope subsequent filling mining method for V-shaped top column subsection rock drilling stage of thick and large ore body |
| CN113565507B (en) * | 2021-08-03 | 2023-05-23 | 长沙矿山研究院有限责任公司 | Open-stoping subsequent filling mining method for V-shaped top column sectional rock drilling stage of thick and large ore body |
| CN114000878A (en) * | 2021-09-23 | 2022-02-01 | 瓮安大信北斗山磷矿 | Upward layered filling mining method |
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