CN105422101B - A kind of bilayer mineral inclined orebody Synchronization mining shrinkage mining method - Google Patents
A kind of bilayer mineral inclined orebody Synchronization mining shrinkage mining method Download PDFInfo
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- CN105422101B CN105422101B CN201510909939.4A CN201510909939A CN105422101B CN 105422101 B CN105422101 B CN 105422101B CN 201510909939 A CN201510909939 A CN 201510909939A CN 105422101 B CN105422101 B CN 105422101B
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- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 47
- 239000011707 mineral Substances 0.000 title claims abstract description 47
- 238000005065 mining Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 18
- 210000001367 artery Anatomy 0.000 claims abstract description 32
- 210000003462 vein Anatomy 0.000 claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 claims abstract description 11
- 238000004880 explosion Methods 0.000 claims abstract description 6
- 238000005520 cutting process Methods 0.000 claims abstract description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
- 239000011435 rock Substances 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 6
- 229910001570 bauxite Inorganic materials 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000008986 qingzhen Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000010981 turquoise 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention discloses a kind of double-deck mineral inclined orebody Synchronization mining shrinkage mining methods, and this method includes following 4 steps：（1）Standard is adopted, i.e., digs outside bottom plate arteries and veins entry and along the pulse entry respectively along lower layer mineral trend, enters top plate after layer mineral by digging crossdrift and putting on, then entry and entry along the pulse outside upper layer mineral trend respectively pick top plate arteries and veins.It the outer entry of arteries and veins and constructs an ore removal route every a distance between entry along the pulse；Along the pulse quasi- courtyard is adopted along orebody strike construction in entry；（2）Cutting is being adopted in quasi- courtyard every a distance perpendicular to adopting quasi- day well construction connection roadway；（3）Back production is layered explosion and falls from bottom to top after that is, entry undercuts along the pulse；（4）Ore removal, i.e. scraper carry out ore removal by ore removal route to stope.The present invention realizes that two mineral synchronize back production, shortens the mining activity time, cancels traditional shrinkage stoping bottom structure and is changed to the outer route ore removal of arteries and veins, safety is reliable, and ore recovery ratio improves.
Description
Technical field
The invention belongs to underground metalliferous non-metal mine production technique field more particularly to a kind of double-deck mineral inclined orebodies
Synchronization mining shrinkage mining method.
Background technology
Shrinkage stoping is that nugget is divided into mineral building and ore pillar, room of first digging up mine, column of digging up mine afterwards, in mineral building from bottom to top
Slicing, ore under adopting every time release one third or so by dead weight, remaining is persisted in mineral building as being adopted on continuing
Workbench, wait for releasing again after mineral building stoping operation.Recycling ore pillar and processing goaf after mineral building back production.It is right
For exploiting single layer mineral, effect is good, but for the double-deck mine of exploitation（Simple ore kind or the double-deck mineral）When, exploit difficulty
It increases, is all first to adopt upper layer mine under normal circumstances, Zai Cai lower layers mine.
Since general goaf is larger after shrinkage stoping ore drawing, after higher slice is exploited, it is big to be easy to cause goaf
Area inbreak, then when exploiting lower leaf, safety is poor, and mine loss and dilution is big, sometimes even because of higher slice goaf and folder
Layer all collapses and lower layer's mine can not finally exploit.
Invention content
The technical problem to be solved by the present invention is to：A kind of double-deck mineral inclined orebody Synchronization mining shrink mining side is provided
Method overcomes the shortcomings of existing conventional shrinkage stoping, particularly with the exploitation of the double-deck different mineral, is synchronized out using two mineral
It adopts, shortens the mining activity time, effective controlroof, scraper fill mine, and Stope safty is high, ore recovery ratio is high.
The technical scheme is that：
1）Adopt standard：Entry and along the pulse entry are dug outside bottom plate arteries and veins respectively along lower layer mineral trend, pass through pick crossdrift
It puts on and enters top plate after layer mineral, then entry and along the pulse entry are dug outside bottom plate arteries and veins respectively along upper layer mineral trend；Arteries and veins
Every a distance one ore removal route of construction between outer entry and along the pulse entry；Along mine in entry along the pulse
Quasi- courtyard is adopted in body tendency construction；
2）Cutting：It is adopting in quasi- courtyard every a distance perpendicular to adopting quasi- day well construction connection roadway；
3）Back production：Along the pulse explosion is layered after entry undercuts from bottom to top to fall；
4）Ore removal：Scraper carries out ore removal by ore removal route to stope.
The mineral move towards a length of 60 meters, and 50 meters high, width is ore body horizontal breadth.
Step 1）In, the outer entry of bottom plate arteries and veins is away from ore body bottom plate 8m, and the outer entry of top plate arteries and veins is away from ore body roof 8m.
Step 1）In, it the outer entry of arteries and veins and constructs along the pulse according to centering 10m in ore removal route spacing between entry
Ore removal route.
Step 2）In, described a distance is that centering is hung down high 5m in connection roadway.
It refers to the advanced high 10m of upper layer mineral section of lower layer's mineral that the bilayer mineral, which synchronize back production,.
Compared with prior art, protrusion technical characterstic of the invention is：
1）Reserved 4.8 meters of fore-set, 5 meters of studding ensure that the safety of stope operation, column of not keeping on file are changed to plain base route and go out
Mine, ore removal equipment are safe while reducing ore pillar loss not into stope.
2）The double-deck mineral are exploited simultaneously, are shortened the mining activity time, can effectively be reduced mining field pressure, and production capacity it is big,
Ore recovery ratio is high.
3）The double-deck mineral, which share, adopts quasi- courtyard, and quasi- quantities is adopted in reduction.
Description of the drawings
Fig. 1 is the double-deck mineral inclined orebody Synchronization mining shrinkage mining method figure of the invention（I-I section）；
Fig. 2 is the double-deck mineral inclined orebody Synchronization mining shrinkage mining method figure of the invention（II-II section）；
Fig. 3 is the double-deck mineral inclined orebody Synchronization mining shrinkage mining method figure of the invention（III-III section）.
The meaning of each numerals is in figure：On the outer entry 2- of the upper Pan Mai of 1- on huge rock door 3- disk ore removal into
On the 4- of road in disk arteries and veins on entry 5- hang wall raises 6- on disk connection roadway 7- studdings 8- fore-set 9- iron ore ore bodies 10-
Disk blasthole 11-, which is stayed, sets the outer entry of disk goaf hillock 13- lower wall crossdrift 14- lower walls arteries and veins on Iron Mine heap 12-
Entry 17- lower walls courtyard 18- lower wall connection roadway 19- lower wall blastholes 20- in 15- lower wall ore removal route 16- lower wall arteries and veins
Bauxite Orebody 21-, which is stayed, sets aluminium ore mine heap 22- lower walls goaf hillock.
Specific implementation mode
As shown in FIG. 1 to 3, present invention will be further explained below with reference to the attached drawings and examples.
Embodiment：When the Qingzhen City, Guizhou Province towns Zhan Jie iron aluminium ore is dug up mine, about 73 ° of the slanting angle of ore body, upper layer ore body
For iron ore, average thickness 5.92m, lower layer's ore body is bauxite, and average most 2.92m, there is the interlayer of 1~2m in centre.It is stayed using tradition
Mine mining codes, layering are exploited, and bottom structure is using ore pillar funnel dead weight ore drawing, and barnyard exposed area is larger, and dead zone collapses
Hidden danger is big, and ore dilution loss is big.
Now the ore body is exploited using nearly horizontal lean ore body mining methods provided by the invention, specific implementation mining step
It is rapid as follows：
1）Stope is arranged
Stope is arranged along orebody trend.Miding level height 50m, stope move towards long 50m, and mineral building width is orebody thickness.Studding 7 is wide
5m, high 5m.Fore-set 8 is the horizontal continuity ore pillar of 4.8m high.
2）It adopts and cuts arrangement
Adopting quasi- cutter mainly has：The outer entry of arteries and veins（Including horizontal lane outside entry 1 outside upper Pan Mai and lower wall arteries and veins
Road 14）, crossdrift（Including upper huge rock door 2 and lower wall crossdrift 13）, adopt quasi- courtyard（Including hang wall raise 5 and lower wall courtyard 17）, arteries and veins
Interior entry（Including entry 16 in entry 4 in upper disk arteries and veins and lower wall arteries and veins）, connection roadway（Including upper disk connection roadway 6
With lower wall connection roadway 18）, ore removal route（Including upper disk ore removal route 3 and lower wall ore removal route 15）Deng.The outer entry of arteries and veins away from
Ore body bottom plate（Top plate）At least 8m rock pillars（The outer entry of 9 arteries and veins of iron ore ore body is arranged in disk, and 20 arteries and veins of Bauxite Orebody is outer horizontal
Roadway layout is in lower wall）, crossdrift be connect ramp and stope channel, after crossdrift enters ore body driving adopt quasi- courtyard with it is upper
Entry is formed through ventilating system in portion's arteries and veins.Entry and construction stope connection roadway along ore body roof construction arteries and veins.By
The outer entry of arteries and veins by centering 10m in tunnel the entry in orebody trend construction tunnel and arteries and veins be formed through ore removal into
Road.
3）Back production falls mine
Using slicing from bottom to top, driling explosion is carried out in each layering, is divulged information, local ore drawing, flat field, place
Turquoise and broken bulk are managed, layer height is 2~2.5m.
Stope is arranged in overhand.It is YT-28 rock drills, blasthole that rock drilling, which uses upward drilling, rock drilling equipment,
（Including upper disk blasthole 10 and lower wall blasthole 19）Row face generally turns forward 75 °~85 °, 2.5~3m of hole depth, per artillery salvo hole to pusher
Into control within 5m.Ore drawing divides local ore drawing and a large amount of ore drawings, local ore drawing generally to release 30% or so of each Caving System,
The ore persisted in mineral building is set to keep the working space of 2~2.5m high.Local ore drawing top plate and upper lower burrs, while handling floating
Stone and smooth location.When mineral building back production is to fore-set 8, you can carry out a large amount of ore drawings.It is not firm enough for top plate in exploitation process
Location, reinforced using anchor net etc..The back production simultaneously of two mineral, the advanced iron ore stope of bauxite stope
The section of 10m is high.
Explosion：Using emulsion or rock dynamite, detonator detonation.
Haulage：The ore stope of stope avalanche is shoveled in ore removal route by scraper and is filled, and is packed into drop shaft, automobile is in drop shaft bottom
Entrucking transports earth's surface.
4）Stope ventilation
After explosion, the ventilation of 30min need to be carried out.Vent line：It is fresh it is distinguished and admirable entered by crossdrift, through courtyard, connecting taxiway
To stope, top stage casing crossdrift is expelled to from stope other end connecting taxiway, courtyard behind cleaning face, using arteries and veins outside
Entry is discharged.
5）Mined-out Area control
The horizontal continuity ore pillar for setting 4.8m high, nugget courtyard both sides is stayed respectively to stay the studding 7 for setting 5m wide, 5m high at the top of stope,
Goaf top plate spontaneous caving after stope mining.Goaf must carry out warning mark, prevent personnel from entering.Simultaneously on ground
Mark should be also arranged in table rock changing of the relative positions volume edges, caused danger with preventing people and animals to be strayed into the region.
Claims (6)
1. a kind of bilayer mineral inclined orebody Synchronization mining shrinkage mining method, it is characterised in that include the following steps：
Adopt standard：Entry and along the pulse entry are dug outside bottom plate arteries and veins respectively along lower layer mineral trend, and layer is put on by pick crossdrift
Enter top plate after mineral, then entry and entry along the pulse outside bottom plate arteries and veins are dug respectively along upper layer mineral trend；Arteries and veins is outer horizontal
Every a distance one ore removal route of construction between tunnel and along the pulse entry；Along orebody strike in entry along the pulse
Quasi- courtyard is adopted in construction；
Cutting：It is adopting in quasi- courtyard every a distance perpendicular to adopting quasi- day well construction connection roadway；
Back production：Along the pulse explosion is layered after entry undercuts from bottom to top to fall；
Ore removal：Scraper carries out ore removal by ore removal route to stope.
2. a kind of double-deck mineral inclined orebody Synchronization mining shrinkage mining method according to claim 1, it is characterised in that：
The mineral move towards a length of 60 meters, and 50 meters high, width is ore body horizontal breadth.
3. a kind of double-deck mineral inclined orebody Synchronization mining shrinkage mining method according to claim 1, it is characterised in that：
Step 1）In, the outer entry of bottom plate arteries and veins is away from ore body bottom plate 8m, and the outer entry of top plate arteries and veins is away from ore body roof 8m.
4. a kind of double-deck mineral inclined orebody Synchronization mining shrinkage mining method according to claim 1, it is characterised in that：
Step 1）In, it the outer entry of arteries and veins and constructs ore removal route according to centering 10m in ore removal route spacing between entry along the pulse.
5. a kind of double-deck mineral inclined orebody Synchronization mining shrinkage mining method according to claim 1, it is characterised in that：
Step 2）In, described a distance is that centering is hung down high 5m in connection roadway.
6. a kind of double-deck mineral inclined orebody Synchronization mining shrinkage mining method according to claim 1, it is characterised in that：
It refers to the advanced high 10m of upper layer mineral section of lower layer's mineral that the bilayer mineral, which synchronize back production,.
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| CN107448201A (en) * | 2017-05-31 | 2017-12-08 | 陕西冶金设计研究院有限公司 | A kind of steeply inclined thin is to the flat ore removal structure of middle strong vein and method |
| CN108222940A (en) * | 2018-02-10 | 2018-06-29 | 广西华洋矿源材料有限公司 | A kind of recovery method of manganese ore |
| CN114109387B (en) * | 2021-11-30 | 2024-10-01 | 湖南柿竹园有色金属有限责任公司 | Efficient mining process suitable for intelligent equipment operation characteristics |
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| CN102011590B (en) * | 2010-10-29 | 2012-10-10 | 中钢集团马鞍山矿山研究院有限公司 | Mine down-hole double-stope bottom structure |
| CN102953733A (en) * | 2011-08-19 | 2013-03-06 | 彭康 | Central outside-vein house pillar type combined crosscut two-end inside-vein continuous segment filling mining method |
| CN102606159B (en) * | 2012-03-26 | 2014-04-09 | 中南大学 | Medium thick heavy-pitch crushed ore body frame type artificial top downward segmenting cemented filling method |
| CN103147759B (en) * | 2013-03-02 | 2015-07-22 | 玉溪大红山矿业有限公司 | Prospecting and short-hole shrinkage mining method of small inclined ore body |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180209 Address after: Jinzhu Road Lake District 550081 Guizhou city of Guiyang province No. 2 Applicant after: Guiyang Aluminum & Magnesium Design Institute Co., Ltd. Address before: 550014 room B408 room B408 room for the standard workshop of Jinyang science and Technology Industrial Park, Guiyang state high tech Zone, Guizhou Province Applicant before: Guizhou Chenhuida Mining Engineering Design Co., Ltd. |
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| CB03 | Change of inventor or designer information |
Inventor after: Long Xiucai Inventor after: Yang Yang Inventor after: Gong Xinhua Inventor after: Wang Xuejie Inventor after: Zhao Luhua Inventor after: Chen Faji Inventor after: Du Changlun Inventor after: Bai Zhipeng Inventor before: Long Xiucai Inventor before: Wang Xuejie Inventor before: Zhao Luhua Inventor before: Chen Faji Inventor before: Yang Yang Inventor before: Du Changlun Inventor before: Bai Zhipeng Inventor before: Gong Xinhua |
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