CN108547618A - A kind of two steps mining methods leave the recovery process of studding - Google Patents
A kind of two steps mining methods leave the recovery process of studding Download PDFInfo
- Publication number
- CN108547618A CN108547618A CN201810297112.6A CN201810297112A CN108547618A CN 108547618 A CN108547618 A CN 108547618A CN 201810297112 A CN201810297112 A CN 201810297112A CN 108547618 A CN108547618 A CN 108547618A
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- ore
- studding
- obturation
- back production
- stope
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000005065 mining Methods 0.000 title claims abstract description 16
- 238000011084 recovery Methods 0.000 title claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 25
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 17
- 239000011707 mineral Substances 0.000 claims abstract description 17
- 238000005553 drilling Methods 0.000 claims abstract description 12
- 238000004880 explosion Methods 0.000 claims abstract description 11
- 239000011435 rock Substances 0.000 claims abstract description 11
- 230000006378 damage Effects 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 5
- 238000004080 punching Methods 0.000 claims abstract description 5
- 238000005422 blasting Methods 0.000 claims abstract description 3
- 238000012856 packing Methods 0.000 claims abstract description 3
- 230000011218 segmentation Effects 0.000 claims description 17
- 238000005273 aeration Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 14
- 210000001367 artery Anatomy 0.000 claims description 8
- 210000003462 vein Anatomy 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000004064 recycling Methods 0.000 abstract description 7
- 239000002184 metal Substances 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000012895 dilution Substances 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/22—Methods of underground mining; Layouts therefor for ores, e.g. mining placers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Remote Sensing (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The invention discloses the recovery process that a kind of two steps mining methods leave studding, back production, packing job are divided to two cycles to prevent the avalanche of obturation and upper lower burrs country rock to reduce the exposure height of obturation and upper lower burrs country rock；Using either route driling explosion, few vibrations and destruction of the powder charge elementary errors presplit blasting to mitigate explosion to mineral building obturation of more punchings should be used close to the place of mineral building obturation；Stay part ore as temporary support in dead zone when back production；Rock drilling, ore removal carry out in tunnel, and personnel do not enter stope, and back production safety is preferable, and nugget production capacity is big.By sequence back production from bottom to top, afterwards low grade tailing cemented filling.It is effectively controlled stope ground pressure, Stope roof, upper lower burrs and obturation adopt fill during kept stable, has the characteristics that safe efficient, inexpensive, low depletion loss, so adopting the recycling of studding using the difficulty that two step cut and fill are left especially suitable for complex conditions metal mine big thick ore body.
Description
Technical field
The invention belongs to mining engineering fields, and in particular to a kind of two steps mining methods leave the recycling work of studding
Skill.
Background technology
The metal mine big thick ore body of complex conditions commonly uses two step cut and fill, and studding mine amount accounts for the total mine amount in mining area
30%~60%.One step mineral building easily realizes safe efficient, inexpensive exploitation target, but step exploitation pair relatively when exploiting
Studding has destruction, and the studding both sides universal self-stability of mineral building obturation is poor so that safety condition becomes when two step rib pillar stopings
Difference, production practice complicate, so the studding that some difficulties are adopted can be left, so that the resource recovery of bargh and production
Efficiency significantly reduces, recycling lag, Business Economic Benefit are deteriorated.
Carry out two step studdings recycling key technology research, it is difficult to solve the common technique faced in studding removal process
Topic, fully recycles metal mine safety and high efficiency and resource and the raising of economic benefit is of great significance.
Invention content
The purpose of the present invention is to provide it is a kind of can the difficulty left of two step mining methods of the safe retrieving technique of adopting studding.
This two steps mining methods provided by the invention leave the recovery process of studding, when studding recycles, back production and fill
It fills out operation and is divided to two cycles, include the following steps：
(1) stope structure determines
The vertical orebody trend arrangement of stope, a length of ore body horizontal breadth, miding level height and width determine that height of lift is true
It is fixed, fore-set and foundation are stayed, arranges that moat ditch is used as by mine tunnel in foundation；
(2) ore removal equipment determines
Moat ditch of the ore out of foundation is directly loadable by mine car using scraper, scraper is not into stope；
(3) accurate, cutting is adopted
People's row material aeration courtyard is dug in studding lower wall, is dug in mineral building obturation and wears arteries and veins haulage way, is wearing arteries and veins transport
Scraper ore removal route is dug in gallery, pick segmentation cut-off, sublevel drilling gallery, utilize original out of people row material aeration courtyard
Mineral building fills moat ditch gallery of the tunnels mine Chuan Mai as the bottom segmentation in stage casing by mine, top in the raw ore room tunnels dress mine Chuan Mai
Slot raise is dug in disk end upwards；
(4) back production
By segmentation back production from bottom to top, sublevel drilling, gradation ore caving, drawing back, using slot raise as scope of freedom shape
Go out 25%~35% ore after each ore caving, remaining ore leaves to cut translot as scope of freedom gradation ore caving at cutting groove
As temporary support, Contining ore removal after corresponding segment ore caving is waited for；Afterwards low grade tail is carried out after the completion of one segmentation ore removal
Sandfilling, then carry out the back production and filling of a segmentation.
It is pre- using the few powder charge elementary errors of more punchings close to the place of mineral building obturation using either route driling explosion when back production
Explosion is split to mitigate vibrations and destruction of the explosion to mineral building obturation.
In exploitation process, stope ventilation is kept, it is fresh distinguished and admirable through haulage way along the pulse to people's row material aeration courtyard, through dividing
Section cut-off is to sublevel drilling gallery, and the waste air behind cleaning face is sent to people's row material aeration courtyard by portable blower, through people's row
Material aeration courtyard returns to the return aircourse in a stage casing.
Adjacent rib pillar stoping carries out two and adopts one or three modes for adopting one.
The mortar cement-sand ratio of consolidated fill tailings is 1 after rib pillar stoping:8~1:12, while part barren rock can be filled with.
4m~6m is all made of cement-sand ratio 1 at the top of more than moat ditch and moat ditch 4m~6m and dead zone in foundation:3~1:5
Classified tailings consolidated fill.
Compared with the prior art, the present invention solves safety, loss existing for two step filling mining method back production studdings
The problems such as dilution is big, what is reached has the beneficial effect that：
(1) this rib pillar stoping technique, back production, packing job are divided to two cycles, to reduce obturation and upper lower burrs country rock
Exposure height prevents the avalanche of obturation and upper lower burrs country rock；
(2) either route driling explosion is used, it is quick-fried using the few powder charge elementary errors presplitting of more punchings close to the place of mineral building obturation
It breaks to mitigate vibrations and destruction of the explosion to mineral building obturation；
(3) part ore temporary support both sides obturation and upper lower burrs country rock are stayed when back production in dead zone；
(4) rock drilling, ore removal carry out in tunnel, and personnel do not enter stope, and back production safety is preferable, nugget production capacity
Greatly；
(5) stopping sequence exploitation from bottom to top is pressed, afterwards low grade tailing cemented filling or waste fill, reduce filling
Cost.
In short, technique disclosed by the invention can effectively control stope ground pressure, Stope roof, upper lower burrs and obturation are being adopted
Kept stable during filling.Have the characteristics that safe efficient, inexpensive, low depletion loss, can effectively solve two steps and return
The safety problem of intermediolateral column recycling generally existing is adopted, so using two steps especially suitable for complex conditions metal mine big thick ore body
The difficulty that rapid cut and fill is left adopts the recycling of studding.
Description of the drawings
Fig. 1 is the schematic front view of one embodiment of the invention.
Fig. 2 is II-II schematic cross-sectional view in Fig. 1.
Fig. 3 is III-III schematic cross-sectional view in Fig. 1.
Fig. 4 is IV-IV schematic cross-sectional view in Fig. 1.
Serial number in figure：
1- haulage ways along the pulse；2- wears arteries and veins haulage way；
The upper disk tailgates of 3-；4- scraper ore removal routes；
The humanoid material aeration courtyards of 5-；6- stope ore pass；
7- scraper unloading galleries；8- is segmented cut-off；
9- sublevel drilling gallerys；10- slot raises；
11- moat ditch gallerys；12- moat ditches.
Specific implementation mode
Understand to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing and specific implementation
The present invention is described in more detail for example.
Great Ye Hu is adjoined in Hubei delafossite mining area, karsts developing area, recharge of ground water abundance, and hydrogeologic condition is multiple
It is miscellaneous, but ore body thickness is big, and grade is rich, in recent years under the conditions of the continuous reduction of a step mineral building quantity, using side disclosed by the invention
Method has carried out series technique research and practice for two step rib pillar stopings, realize complex condition big thick ore body studding safety,
The target of high efficiente callback.It is as follows：
(1) stope structure determines
The vertical orebody trend arrangement of stope, a length of ore body is horizontal thick, and miding level height 50m is segmented high 22.5m, and width is
Stage casing is divided into upper and lower two segmentations by 12.5m.Fore-set and foundation, the high 5m of fore-set, the high 8m of foundation is stayed to arrange moat in foundation
Ditch 12, using scraper Trench ore-drawing bottom structure.
(2) accurate, cutting is adopted
In studding lower wall pick people's row material aeration courtyard 5；Arteries and veins haulage way 2 is worn in pick in mineral building obturation；Wearing arteries and veins fortune
Scraper ore removal route 4 is dug in defeated gallery 2 at spacing intervals, out of people's row material aeration courtyard 5 pick segmentation cut-off 8,
Sublevel drilling gallery 9；Using the moat ditch gallery 11 worn arteries and veins haulage way 2 and make lower segmentation by mine in raw ore room, in the top disk in stage casing
Slot raise 10 is dug on end.
(3) process for stoping
Using stopping sequence from bottom to top, sublevel drilling, gradation ore caving, drawing back is certainly with slot raise 10
Cutting groove is formed by face, ore caving is segmented by the scope of freedom of cutting groove, lower segmentation uses either route driling explosion (as shown in Figure 1),
Use the few powder charge elementary errors presplit blasting of more punchings to mitigate vibrations of the explosion to mineral building obturation close to the place of mineral building obturation
And destruction；Go out 30% or so ore when back production after each ore caving, remaining ore temporarily stays in the filling of stope temporary support both sides
Body and upper lower burrs country rock carry out a large amount of ore removals after lower segmentation in stage casing bottom structure, and ore removal is directly loadable into using scraper
Mine car, scraper is not into stope.It is tailing-filled that ore last time carries out afterwards low grade after rolling, with same after the completion of filling
Technique carry out substoping.
Fresh distinguished and admirable through haulage way 1 along the pulse to people's row material aeration courtyard 5, segmented cut-off 8 arrives sublevel drilling
Gallery 9, the waste air behind cleaning face are sent to slot raise 10 by portable blower, and it is flat that cleaved courtyard 10 returns to disk return air on stage casing
Lane 3." two adopt one " or " three adopt one " is carried out in adjacent pillar recovery, with sharp underground pressure management.
After pillar recovery, goaf uses tailing cemented filling, mortar cement-sand ratio 1:10, while it is useless to be filled with part
Stone.Cement-sand ratio 1 is used for ease of 4m at the top of top, sill pillar removal, bottom structure and the above 4m and dead zone or so:4 classified tailings
Consolidated fill is pushed up, the recycling of foundation from now on profit.
The main economic and technical indices of back production are carried out to studding using the present invention：Production capacity：200~300t/d, dilution
Rate：5%~7%, loss late：18%~22%, it adopts and cuts ratio：18~20m/kt, 110~120m3/kt。
Claims (6)
1. a kind of two steps mining methods leave the recovery process of studding, when studding recycles, back production and packing job are divided to two to follow
Ring includes the following steps：
(1) stope structure determines
The vertical orebody trend arrangement of stope, a length of ore body horizontal breadth, stage casing and segmentation parameter determine, stay fore-set and foundation,
Arrangement moat ditch is used as by mine tunnel in foundation；
(2) ore removal equipment determines
Moat ditch of the ore out of foundation is directly loadable by mine car using scraper, scraper is not into stope；
(3) accurate, cutting is adopted
People's row material aeration courtyard is dug in studding lower wall, is dug in mineral building obturation and wears arteries and veins haulage way, wearing arteries and veins haulage way
Interior pick scraper ore removal route, pick segmentation cut-off, sublevel drilling gallery, utilize raw ore room out of people row material aeration courtyard
The tunnels mine Chuan Mai are filled as the bottom segmentation in stage casing by mine moat ditch gallery, the top disk end in the tunnels mine Chuan Mai is filled in raw ore room
Pick slot raise upwards；
(4) back production
By segmentation back production from bottom to top, sublevel drilling, gradation ore caving, drawing back, using slot raise be the scope of freedom formation cut
Slot is cut, to cut translot as scope of freedom gradation ore caving, 25%~35% ore is gone out after each ore caving, remaining ore is left as
Temporary support waits for Contining ore removal after corresponding segment ore caving；
It is tailing-filled that afterwards low grade is carried out after the completion of one segmentation ore removal, then carries out the back production and filling of a segmentation.
2. two steps mining methods as described in claim 1 leave the recovery process of studding, it is characterised in that：When back production, adopt
With either route driling explosion, use the few powder charge elementary errors presplit blasting of more punchings to mitigate explosion pair close to the place of mineral building obturation
The vibrations and destruction of mineral building obturation.
3. two steps mining methods as described in claim 1 leave the recovery process of studding, it is characterised in that：Exploitation process
In, stope ventilation is kept, it is fresh distinguished and admirable through haulage way along the pulse to people's row material aeration courtyard, segmented cut-off to segmentation
Rock drilling gallery, the waste air behind cleaning face are sent to people's row material aeration courtyard by portable blower, are returned to through people's row material aeration courtyard
The return aircourse in a upper stage casing.
4. two steps mining methods as described in claim 1 leave the recovery process of studding, it is characterised in that：Adjacent studding returns
It adopts implementation two and adopts one or three modes for adopting one.
5. two steps mining methods as described in claim 1 leave the recovery process of studding, it is characterised in that：Rib pillar stoping knot
The mortar cement-sand ratio of consolidated fill tailings is 1 after beam:8~1:12, while part barren rock can be filled with.
6. two steps mining methods as described in claim 1 leave the recovery process of studding, it is characterised in that：Moat in foundation
4m~6m is all made of cement-sand ratio 1 at the top of 4m~6m and dead zone more than ditch and moat ditch:3~1:5 classified tailings consolidated fill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810297112.6A CN108547618A (en) | 2018-04-04 | 2018-04-04 | A kind of two steps mining methods leave the recovery process of studding |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810297112.6A CN108547618A (en) | 2018-04-04 | 2018-04-04 | A kind of two steps mining methods leave the recovery process of studding |
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| Publication Number | Publication Date |
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| CN108547618A true CN108547618A (en) | 2018-09-18 |
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ID=63514355
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| CN201810297112.6A Pending CN108547618A (en) | 2018-04-04 | 2018-04-04 | A kind of two steps mining methods leave the recovery process of studding |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080773A (en) * | 2019-05-24 | 2019-08-02 | 贵州开磷有限责任公司 | A kind of gently inclined orebody reserves the filling mining method of cap pillar extraction |
| CN110878695A (en) * | 2019-11-19 | 2020-03-13 | 铜陵有色金属集团股份有限公司 | Stope structure arrangement method suitable for continuous multi-step stoping |
| CN111075448A (en) * | 2019-11-14 | 2020-04-28 | 南华大学 | Method for recovering residual ores in stope by shallow hole room-column method |
| CN111520141A (en) * | 2020-03-19 | 2020-08-11 | 安徽金日晟矿业有限责任公司 | Deep hole arrangement process for stope recovery in two-step stope |
| CN111706328A (en) * | 2020-07-29 | 2020-09-25 | 中钢集团马鞍山矿山研究总院股份有限公司 | Mining method for treating goaf left-over studs by filling method |
| CN111828007A (en) * | 2020-07-29 | 2020-10-27 | 中钢集团马鞍山矿山研究总院股份有限公司 | Stoping method for residual studs in underground mine goaf |
| CN112502704A (en) * | 2020-11-10 | 2021-03-16 | 西北矿冶研究院 | Large-structure open-stope subsequent filling mining method |
| CN112502728A (en) * | 2020-11-27 | 2021-03-16 | 湖南柿竹园有色金属有限责任公司 | Mining device for stoping high-grade section ore room pillar and top pillar |
| CN112943247A (en) * | 2021-02-01 | 2021-06-11 | 湖北三鑫金铜股份有限公司 | Loss-reducing efficiency-improving recovery process for underground stope |
| CN113216963A (en) * | 2021-05-18 | 2021-08-06 | 中钢集团马鞍山矿山研究总院股份有限公司 | Stoping method for gallery ore in transition mining by caving method to filling method |
| CN113338937A (en) * | 2021-06-18 | 2021-09-03 | 内蒙古科技大学 | Stoping method for reducing loss of mining footwall ore by inclined ore body caving method |
| CN113494292A (en) * | 2021-07-26 | 2021-10-12 | 长沙矿山研究院有限责任公司 | High and large point column in-situ collapse recovery method |
| CN113586057A (en) * | 2021-09-09 | 2021-11-02 | 昆明理工大学 | Method for safely and efficiently recovering interval columns of segmented open-field subsequent filling method panel |
| CN113622992A (en) * | 2021-08-13 | 2021-11-09 | 安徽金日晟矿业有限责任公司 | Bottom structure construction method of mine field filling body false bottom |
| WO2022241972A1 (en) * | 2021-05-18 | 2022-11-24 | 中钢集团马鞍山矿山研究总院股份有限公司 | Method for recovering stored ore when transitioning from caving method to filling method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2116448C1 (en) * | 1996-12-03 | 1998-07-27 | Дальневосточный государственный технический университет | Method for mining inclined ore bodies |
| CN102011589A (en) * | 2010-10-29 | 2011-04-13 | 中钢集团马鞍山矿山研究院有限公司 | Stope bottom structure suitable for underground two-step mining and production process thereof |
| CN103089266A (en) * | 2012-12-18 | 2013-05-08 | 鞍钢集团矿业公司 | Drift-pillar-free sublevel barnyard caving mining method of open pit transferred underground transitional period |
| CN103967494A (en) * | 2014-04-21 | 2014-08-06 | 安徽大昌矿业集团有限公司 | Mining method for filling after shallow hole shrinkage |
| CN105587318A (en) * | 2016-01-22 | 2016-05-18 | 长沙有色冶金设计研究院有限公司 | Filling mining method for continuous backstoping of gently inclined parallel medium thick ore body group |
| CN107339104A (en) * | 2017-08-03 | 2017-11-10 | 长沙矿山研究院有限责任公司 | Security personnel's curtain wall recovery method |
-
2018
- 2018-04-04 CN CN201810297112.6A patent/CN108547618A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2116448C1 (en) * | 1996-12-03 | 1998-07-27 | Дальневосточный государственный технический университет | Method for mining inclined ore bodies |
| CN102011589A (en) * | 2010-10-29 | 2011-04-13 | 中钢集团马鞍山矿山研究院有限公司 | Stope bottom structure suitable for underground two-step mining and production process thereof |
| CN103089266A (en) * | 2012-12-18 | 2013-05-08 | 鞍钢集团矿业公司 | Drift-pillar-free sublevel barnyard caving mining method of open pit transferred underground transitional period |
| CN103967494A (en) * | 2014-04-21 | 2014-08-06 | 安徽大昌矿业集团有限公司 | Mining method for filling after shallow hole shrinkage |
| CN105587318A (en) * | 2016-01-22 | 2016-05-18 | 长沙有色冶金设计研究院有限公司 | Filling mining method for continuous backstoping of gently inclined parallel medium thick ore body group |
| CN107339104A (en) * | 2017-08-03 | 2017-11-10 | 长沙矿山研究院有限责任公司 | Security personnel's curtain wall recovery method |
Non-Patent Citations (1)
| Title |
|---|
| 胡平安: "石头嘴铜铁矿矿柱回采研究与实践", 《湖南有色金属》 * |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080773A (en) * | 2019-05-24 | 2019-08-02 | 贵州开磷有限责任公司 | A kind of gently inclined orebody reserves the filling mining method of cap pillar extraction |
| CN111075448A (en) * | 2019-11-14 | 2020-04-28 | 南华大学 | Method for recovering residual ores in stope by shallow hole room-column method |
| CN110878695A (en) * | 2019-11-19 | 2020-03-13 | 铜陵有色金属集团股份有限公司 | Stope structure arrangement method suitable for continuous multi-step stoping |
| CN111520141A (en) * | 2020-03-19 | 2020-08-11 | 安徽金日晟矿业有限责任公司 | Deep hole arrangement process for stope recovery in two-step stope |
| CN111828007B (en) * | 2020-07-29 | 2022-08-16 | 中钢集团马鞍山矿山研究总院股份有限公司 | Stoping method for residual studs in underground mine goaf |
| CN111828007A (en) * | 2020-07-29 | 2020-10-27 | 中钢集团马鞍山矿山研究总院股份有限公司 | Stoping method for residual studs in underground mine goaf |
| CN111706328A (en) * | 2020-07-29 | 2020-09-25 | 中钢集团马鞍山矿山研究总院股份有限公司 | Mining method for treating goaf left-over studs by filling method |
| CN112502704A (en) * | 2020-11-10 | 2021-03-16 | 西北矿冶研究院 | Large-structure open-stope subsequent filling mining method |
| CN112502728A (en) * | 2020-11-27 | 2021-03-16 | 湖南柿竹园有色金属有限责任公司 | Mining device for stoping high-grade section ore room pillar and top pillar |
| CN112502728B (en) * | 2020-11-27 | 2023-09-22 | 湖南柿竹园有色金属有限责任公司 | Mining device for stoping high-stage ore room column and jack-up column |
| CN112943247A (en) * | 2021-02-01 | 2021-06-11 | 湖北三鑫金铜股份有限公司 | Loss-reducing efficiency-improving recovery process for underground stope |
| CN112943247B (en) * | 2021-02-01 | 2023-02-14 | 湖北三鑫金铜股份有限公司 | Loss-reducing efficiency-improving recovery process for underground stope |
| CN113216963B (en) * | 2021-05-18 | 2022-05-27 | 中钢集团马鞍山矿山研究总院股份有限公司 | Stoping method for gallery ore in transition mining by caving method to filling method |
| WO2022241972A1 (en) * | 2021-05-18 | 2022-11-24 | 中钢集团马鞍山矿山研究总院股份有限公司 | Method for recovering stored ore when transitioning from caving method to filling method |
| CN113216963A (en) * | 2021-05-18 | 2021-08-06 | 中钢集团马鞍山矿山研究总院股份有限公司 | Stoping method for gallery ore in transition mining by caving method to filling method |
| CN113338937A (en) * | 2021-06-18 | 2021-09-03 | 内蒙古科技大学 | Stoping method for reducing loss of mining footwall ore by inclined ore body caving method |
| CN113494292A (en) * | 2021-07-26 | 2021-10-12 | 长沙矿山研究院有限责任公司 | High and large point column in-situ collapse recovery method |
| CN113622992A (en) * | 2021-08-13 | 2021-11-09 | 安徽金日晟矿业有限责任公司 | Bottom structure construction method of mine field filling body false bottom |
| CN113586057A (en) * | 2021-09-09 | 2021-11-02 | 昆明理工大学 | Method for safely and efficiently recovering interval columns of segmented open-field subsequent filling method panel |
| CN113586057B (en) * | 2021-09-09 | 2022-10-28 | 昆明理工大学 | Method for safely and efficiently recovering interval columns of segmented open-field subsequent filling method panel |
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Application publication date: 20180918 |