CN104847356A - Mining method of thin and small ore body - Google Patents
Mining method of thin and small ore body Download PDFInfo
- Publication number
- CN104847356A CN104847356A CN201510248023.9A CN201510248023A CN104847356A CN 104847356 A CN104847356 A CN 104847356A CN 201510248023 A CN201510248023 A CN 201510248023A CN 104847356 A CN104847356 A CN 104847356A
- Authority
- CN
- China
- Prior art keywords
- filling
- ore
- substoping
- back production
- haulage drift
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000005065 mining Methods 0.000 title claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims abstract description 63
- 239000011435 rock Substances 0.000 claims abstract description 30
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 10
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 10
- 239000004571 lime Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000010276 construction Methods 0.000 claims abstract description 9
- 239000002699 waste material Substances 0.000 claims abstract description 8
- 239000004567 concrete Substances 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 238000005266 casting Methods 0.000 claims description 14
- 239000011347 resin Substances 0.000 claims description 14
- 229920005989 resin Polymers 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 6
- 210000001367 artery Anatomy 0.000 claims description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 5
- 239000011707 mineral Substances 0.000 claims description 5
- 230000011218 segmentation Effects 0.000 claims description 5
- 210000003462 vein Anatomy 0.000 claims description 5
- 238000004880 explosion Methods 0.000 claims description 4
- 239000011150 reinforced concrete Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000009412 basement excavation Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000002360 explosive Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000011378 shotcrete Substances 0.000 claims description 3
- 238000010790 dilution Methods 0.000 abstract description 11
- 239000012895 dilution Substances 0.000 abstract description 11
- 238000011084 recovery Methods 0.000 abstract description 4
- 239000004575 stone Substances 0.000 abstract description 3
- 238000011161 development Methods 0.000 abstract description 2
- 238000010297 mechanical methods and process Methods 0.000 abstract 1
- 230000005641 tunneling Effects 0.000 abstract 1
- 230000002787 reinforcement Effects 0.000 description 6
- 238000009423 ventilation Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000003466 welding Methods 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
Landscapes
- 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)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention discloses a mining method of a thin small ore body, which specifically comprises ore stoping and goaf filling, wherein the ore stoping and the goaf filling are horizontally and alternately carried out from bottom to top in a staggered way, the goaf is filled with mixed filling materials such as lime, loess and waste stone layer by layer along with the upward advancing of a working face, a filling body supports upper and lower wall surrounding rocks and serves as a working platform for upper-layer stoping and ore removal, the ore is conveyed into a chute by a mechanical method, the ore removal and goaf filling procedures of each stoping caving step are alternately carried out, and mechanical and manual top contact filling is carried out when an ore room stopes to the uppermost horizontal layer. The invention not only solves the discharge problem of the tunneling waste rocks, but also effectively treats the goaf, prevents the surface from collapsing, and meets the requirements of circular economy development and green mine construction. Compared with a shallow hole shrinkage method, the mining method improves the recovery rate of ores, reduces the dilution rate of the ores and improves the ore removal grade and the ore removal efficiency through production practice.
Description
Technical field
The present invention relates to metal mine underground mining, be specifically related to a kind of exploitation method of thin squat.
Background technology
Mine is less than the ore body of 2.5m for average thickness, and adopt shallow hole shrinkage method to carry out back production, in exploitation process, the slump of armor rock is serious, and temporary lining amount is large, stable operating conditions is poor, Ore loss and dilution rates is high in the past; For the dead zone formed in mining process, generally do not deal with, cause industrial sites local, earth's surface to have and subside crack phenomenon, threaten the safety of earth's surface construction of structures, be unfavorable for safety in production.
Summary of the invention
The present invention, in order to solve the above-mentioned problems in the prior art, provides a kind of exploitation method of thin squat.
The present invention adopts following technical scheme: a kind of exploitation method of thin squat, specifically comprises the following steps:
1) accurate and cutting is adopted:
The thin squat tilted is divided into several exploiting fields, at top, exploiting field along substoping haulage drift on ore body driving, the lower substoping haulage drift of driving bottom exploiting field, between the supreme substoping haulage drift of lower substoping haulage drift, tunnel back production and stowboard in layering arteries and veins, in upper and lower substoping haulage drift and each layering arteries and veins, the top of back production and stowboard is through with the filling well of the mine chute and straight-through earth's surface that are arranged in talent's well and the ore body lower wall that ore body coils by connecting taxiway; In upper and lower substoping haulage drift and each layering arteries and veins, the end of back production and stowboard is through by the slot raise along ore body end driving; The top of lower substoping haulage drift is provided with intake, intake and lower substoping haulage drift and talent's well through, the top of upper substoping haulage drift is provided with return aircourse and through with it;
2) mining and ore removal
Bottom-up carrying out is taked in exploiting field back production, and before mining, the first construction reinforced bar concrete false end on lower substoping haulage drift base plate, as next stage exploiting field mineral building top board; Ore body head adopts the region of more than lower substoping haulage drift, and from lower substoping haulage drift and slot raise joint portion, adopting fabric width degree is orebody thickness, and primary excavation avalanche step pitch is 4 ~ 5m; Broken ore scraper mechanical shovel dress ore deposit, pours mine chute into by lower substoping haulage drift transport;
3) filling
After the ore ore removal of each back production avalanche step pitch avalanche, heap being existed the mixed uniform dry casting resin in earth's surface has bad luck in filling well by machinery, load transporting dump transfer device, by the higher slice back production stowboard adjacent with lower substoping haulage drift, machinery is had bad luck in the dead zone that formed to first mine order of digging up mine out and is carried out filling.Each back production avalanche step pitch broken ore ore removal and goaf filling operation are interlocked and are carried out; After the sand off of lower this substoping of substoping haulage drift, be transferred to higher slice back production and stowboard back production filling from slot raise place again, until substoping haulage drift in back production filling.Last layering of exploiting field takes back production limit, limit to complete Tight filling.
Further, the obturation being filled with the formation of goaf filling material covers waste and old travelling belt.In order to broken ore and obturation be separated, avoid the ore losses of avalanche and casting resin to be mixed in ore, control ore dissipation and dilution.
Further, after exploiting field each layering ore back production and sand off, adopt Reinforced Concrete Retaining Walls to close lower substoping haulage drift and slicing and stowboard port, concrete guard wall stays the drain hole of 3-5 φ 100mm.After the back production of a layering ore and sand off, in order to avoid surface water or down-hole crevice water infiltrate in goaf filling body, cause downhole debris flow disaster, adopt the thick Reinforced Concrete Retaining Walls of 700mm to close the port of lower substoping haulage drift or back production and stowboard; The steel mesh reinforcement of barricade is connected with the peg block rock bolt electric welding of constructing on the crag of tunnel in advance, and the drain hole of 3-5 φ 100mm reserved by concrete guard wall, discharges the ponding infiltrated in obturation.
Further, casting resin be lime, loess and particle diameter be less than 350mm barren rock be by volume 1:4:5 mixing, add water during on-the-spot filling stirrings, water consumption be filling siccative 5 ~ 8%.Filling is firmly solid, not easily subsides.
Further, the steel bar concrete false end, comprises the steel concrete of thickness 300mm, is provided with the topping of 30-50mm bottom steel concrete.Concrete grade C20, steel mesh reinforcement adopts φ 14mm screw-thread steel, net degree 40 × 40mm, overlapping part 6 ﹟ iron wires fasten, and be that 1m installs φ 18 reinforced anchor bolt at upper lower burrs country rock net degree, anchor rod anchored length is not less than 1m, steel mesh reinforcement welds with anchor pole, concrete stirs into siccative on earth's surface, is transported to jolt ramming after underground site poach, as next stage exploiting field mineral building top board.
Further, ore body back production big gun hole interlaced arrangement, back production big gun hole array pitch 0.8 ~ 1.0m, back production borehole spacing 0.7 ~ 0.9m, explosion adopts 2 ﹟ rock explosive powder stick shallow bore hole powder charges, and half second or the segmentation of microsecond detonator, electric shock hair device is detonated.
Further, every layer of filling well is provided with Vibrating funnel, and filling siccative is put on transporting dump transfer device by Vibrating funnel, is transported to the goaf that ore removal terminates, mix and blend filling of then watering.Stowing operation is carried out continuously, time saving and energy saving.
Further, Tight filling first adopts scraper by the filling stockpile of mixing to goaf, then adopts space remaining below the top board of concrete shotcrete machine sprayed mortar filling exploiting field.Make top tight filling firm in a down-to-earth manner, gapless is remaining, not easily subsides.
Further, the air intake of back production and stowboard is provided with the air door of enclosing tunnel mouth, and return aircourse is provided with a day platform shaft, and sky platform shaft is positioned at the aboveground end of talent, and matched with the base plate of substoping haulage drift on exploiting field.District ventilation, exploiting field wouldn't carry out the digging up mine back production of packing job and stowboard carries out temporary enclosed, make the fresh distinguished and admirable of intake, talent's well that back production, filling operation flour dirt and toxic gas are drained into earth's surface through slot raise, upper substoping haulage drift, return aircourse, avoid fresh distinguished and admirable and dirty wind mixing, ensure that stope operation post meets occupational health standard-required.
Principle of the present invention is: ground pressure is effectively controlled.Bottom-up, layering, point step pitch retreat stone afterwards adopt the mixed filling material bashings such as lime, loess and barren rock, obturation after smooth as the back production haulage drift base plate of higher slice, play simultaneously and control country rock and to collapse mobile and surface depression, improve the supporting capacity of ore pillar; Filling is synchronously carried out along with ore back production avalanche step pitch, and an exploiting field ore back production terminates, and the mixed filling material such as lime, loess and barren rock are full of the obturation that goaf forms some strength subsequently, support upper lower burrs country rock, guarantee that country rock does not move earth's surface and do not subside.
the invention has the beneficial effects as follows:
1, the present invention includes ore back production and Filling mine-out area, bottom-up horizontal slice staggered cycles carries out, boost with work plane, successively adopt the mixed filling material bashings such as lime, loess and barren rock, obturation supports upper lower burrs country rock, and as the working platform of higher slice back production and ore removal, ore and obturation separate the loss and dilution avoiding ore with waste and old conveyer belt, mechanically ore is transported in ore pass, mineral building back production, to when going up horizontal slice most, carries out machinery and artificial top tight filling.This exploitation method had both solved the emission problem of driving barren rock, got back and effectively process in goaf, met the requirement of recycling economy development and Green Mine construction.The present invention compares with shallow hole shrinkage method through these mining methods of production practices, and ore recovery rate improves 5%, can reach more than 96%; Ore dilution rate reduces by 4%, and the actual extracted ore rate of dilution is 4.5%; Mine grade improves 8 ~ 10%, and ore removal efficiency improves more than 20%.Dead zone effectively processes, and prevents surface subsidence, ensures the safe handling of earth's surface construction of structures.
2, the present invention improves the rate of extraction, mining step pitch and adopt width and change along with the varied in thickness of ore body; By construction reinforced bar Concrete false bottom, reduce the ore losses that stope reserves ore fore-set and construction of sill pillar, improve ore recovery rate; Ore recovery rate can reach more than 96%.
3, the present invention reduces ore dilution rate, and the obturation that the mixed filling material such as lime, loess and barren rock are formed covers waste and old conveyer belt, broken ore and obturation is separated, control barren rock and non-ore are mixed into, and control ore dilution, ore dilution rate is less than 5%.
4, casting resin of the present invention is lime, loess, driving barren rock the like waste, filling siccative is according to lime: loess: barren rock volume ratio is that 1:4:5 is mixed into dry casting resin on earth's surface, during goaf filling, water mix and blend on limit filling limit, water consumption is 5 ~ 8% of filling siccative, filling entity is formed after compacting, support goaf upper lower burrs country rock, prevent surface subsidence.
5, present invention optimizes operating environment, by arranging exploiting field back production and stowboard air door and talent's well closed platform, unimpeded stope ventilation environment, ensure fresh blast, the dirty wind of stope and dust are discharged in time, be discharged into return airway to earth's surface, the harm of stope toxic dust reaches the requirement of occupational health control criterion.
Accompanying drawing explanation
Fig. 1 the present invention thin squat exploitation method front view;
Fig. 2 the present invention thin squat exploitation method top view;
Fig. 3 the present invention thin squat exploitation method lateral view;
Fig. 4 district ventilation system drawing of the present invention;
Fig. 5 filling well of the present invention schematic diagram;
Fig. 6 Tight filling schematic diagram of the present invention.
Detailed description of the invention
An exploitation method for thin squat, specifically comprises the following steps;
1) accurate cutting is adopted:
A. as shown in Figure 1, 2, inclination or steeply inclined thin squat are divided into several exploiting fields according to strike length, a general exploiting field length is 100m, level interval is 50m, segmentation (layer) height 7m, ore body coils design arrangement talent well 8 to hold concurrently downcast, the filling well 10 in ore body lower wall design arrangement earth's surface to exploiting field, exploiting field are to next stage mine chute 9, through by connecting taxiway 13 and exploiting field.
B. to hold concurrently exploiting field return airway along substoping haulage drift 3 on ore body driving at top, exploiting field, lower sublevel drive back production haulage drift 4, from the supreme substoping haulage drift 3 of lower substoping haulage drift 4, slicing and filling route 15 in arteries and veins is tunneled at interval of 7m, through by connecting taxiway 13 and talent's well 8, mine chute 9 and filling well 10; Slot raise 5 and each slicing and filling route 15 and upper substoping haulage drift 3 is tunneled through from lower substoping haulage drift 4 along ore body end.
C. exploiting field is before mining; first the construction reinforced bar concrete false end 17 on lower substoping haulage drift 4 base plate; reinforced concrete soil thickness 300mm; bottom reinforcement bars protective layer thickness 30-50mm; concrete grade C20; steel mesh reinforcement adopts φ 14mm screw-thread steel; net degree 40 × 40mm; overlapping part 6 ﹟ iron wires fasten; be that 1m installs φ 18 reinforced anchor bolt at upper lower burrs country rock net degree, anchor rod anchored length is not less than 1m, and steel mesh reinforcement welds with anchor pole; concrete stirs into siccative on earth's surface, is transported to jolt ramming after underground site poach.The steel bar concrete false end 17, is as the most higher slice mineral building top board in next stage exploiting field.
2) process for stoping:
A. as shown in Figure 3,4, ore body 14 back production is bottom-up to be carried out, adopting fabric width degree is orebody thickness, primary excavation avalanche step pitch 11 is 4 ~ 5m, adopt the rock drilling of YT-28 and YSP-45 air rock drill, back production big gun hole 16 interlaced arrangement, back production big gun hole 16 array pitch 0.8 ~ 1.0m, back production big gun hole 16 pitch of holes 0.7 ~ 0.9m; Explosion adopts 2 ﹟ rock explosive powder stick shallow bore hole powder charges, and half second or the segmentation of microsecond detonator, electric shock hair device is detonated.
B. ore removal, explosion terminates to check top board and upper and lower armor rock afterwards, process float stone, adopts reinforced anchor bolt and metal mesh supporting local unstable rock; Broken ore 20 scraper mechanical shovel dress ore deposit, pours mine chute 9 into by lower substoping haulage drift 4 or each slicing and filling route 15 transport.
3) filling method:
A. after each ore caving interval 11 broken ore 20 ore removal terminates, carry out goaf filling with mixed filling material 6, casting resin 6 is the mixture that lime, loess and particle diameter are less than that 350mm barren rock is 1:4:5 by volume.As shown in Figure 5, there is the dry casting resin 6 that earth's surface mixed and have bad luck in the filling well 10 on straight-through earth's surface by machinery in heap, slicing and filling well casting resin 6 is discharged Vibrating funnel 22 and is put on transporting dump transfer device by filling siccative, by back production and the stowboard 15 of the last layering of lower substoping haulage drift 4, be transported to goaf, water filling limit, limit mix and blend, and stowing operation needs to carry out continuously, filling compound be filled to higher slice roadway floor flat or slightly high 100mm time, smooth compacting.After this segmentation of lower substoping haulage drift (layer) back production, sand off, be transferred to higher slice back production and stowboard back production from slot raise place, filling again, until back production, substoping haulage drift in filling.Casting resin maximum diameter of aggrogate must not be greater than 350mm, entering filling well and affects slicing and filling funnel normal discharge, arranging steel diagrid 21 at earth's surface filling well well head to control bulk barren rock.Charge stratifying synchronously upwards shifts along with the transfer of sublayer.
B. mine loss and dilution control measure, the obturation 6 being filled with goaf filling material 6 formation covers waste and old travelling belt 12, broken ore 20 and obturation 6 is separated, avoids the ore losses of avalanche and casting resin to be mixed in ore, controls ore dissipation and dilution.
C. Tight filling way: as shown in Figure 6, exploiting field last back production of layering ore body and filling, take back production ore body limit, limit Tight filling, back production avalanche step pitch 11 Tight filling is once as Fig. 6, adopt scraper by casting resin 6 heap that mixes to certain altitude, mixed filling material 6 and the space of exploiting field top board, adopt the filling of concrete shotcrete machine sprayed mortar 23.
4) district ventilation:
District ventilation is as Fig. 4, exploiting field wouldn't carry out the digging up mine back production of packing job and stowboard 15 air intake uses air door 19 to carry out temporary enclosed, talent's well 8 upper port and upper substoping haulage drift 3 connection position arrange day platform shaft 18 and completely cut off fresh wind and dirty wind is distinguished and admirable, avoid fresh wind and the mixing of dirty wind, make intake 1, talent's well 8 fresh distinguished and admirable by back production and stowboard 15 back production, through slot raise 5 after the dust in filling operation face and toxic gas rinse, upper substoping haulage drift 3, return aircourse 2 drains into earth's surface, ensure that stope operation post meets occupational health standard-required.
Claims (9)
1.
an exploitation method for thin squat, is characterized in that: specifically comprise the following steps:
1) accurate and cutting is adopted:
The thin squat tilted is divided into several exploiting fields, at top, exploiting field along substoping haulage drift (3) on ore body driving, bottom exploiting field, the lower substoping haulage drift (4) of driving, tunnels back production and stowboard (15) in layering arteries and veins between the supreme substoping haulage drift (3) of lower substoping haulage drift (4); The top in each tunnel (4,15,3) by connecting taxiway (13) by it with to be arranged in the upper talent's well (8) that coils of ore body (14) and the mine chute (9) of ore body (14) lower wall and the filling well (10) on straight-through earth's surface through; The end in each tunnel (4,15,3) is through by the slot raise (5) along ore body end driving; The top of lower substoping haulage drift (4) is provided with intake (1), intake (1) and lower substoping haulage drift (4) and talent's well through, the top of upper substoping haulage drift (3) is provided with return aircourse (2) and through with it;
2) mining and ore removal:
Bottom-up carrying out is taked in exploiting field back production, and before mining, the first false end (17) of construction reinforced bar concrete on lower substoping haulage drift (4) base plate, as next stage exploiting field mineral building top board; Ore body (14) head adopts the region of more than lower substoping haulage drift (4), drawing back from lower substoping haulage drift (4) and slot raise (5) joint portion, adopting fabric width degree is orebody thickness, ore body back production big gun hole (16) interlaced arrangement, primary excavation avalanche step pitch (11) is 4 ~ 5m; Broken ore (20) scraper mechanical shovel dress ore deposit, pours mine chute (9) into by lower substoping haulage drift (4) transport;
3) filling:
Filling and back production synchronously take bottom-up carrying out, after ore (20) ore removal of each back production avalanche step pitch (11) avalanche, heap being existed the mixed uniform dry casting resin in earth's surface has bad luck in filling well (10) by machinery, load on transporting dump transfer device, have bad luck in the dead zone that formed to first mine order of digging up mine out through higher slice back production stowboard (15) machinery adjacent with lower substoping haulage drift (4) and carry out filling.Each back production avalanche step pitch (11) broken ore (20) ore removal and goaf filling operation are interlocked and are carried out; After lower this substoping of substoping haulage drift (4), sand off, be transferred to the higher slice back production and stowboard (15) back production from slot raise (5) place, filling again that are adjacent, until back production, substoping haulage drift (3) in filling, last layering of exploiting field takes back production limit, limit to complete Tight filling.
2. the exploitation method of a kind of thin squat as claimed in claim 1, is characterized in that: casting resin (6) is lime, to be less than 350mm barren rock be 1:4:5 mixing by volume for loess and particle diameter, and add water during on-the-spot filling stirrings, and water consumption is 5 ~ 8% of filling siccative.
3. the exploitation method of a kind of thin squat as claimed in claim 1, is characterized in that: obturation (6) that goaf filling material (6) formed is upper covers waste and old travelling belt (12) being filled with.
4. the exploitation method of a kind of thin squat as described in any one of claims 1 to 3, it is characterized in that: filling well is provided with Vibrating funnel (22), filling siccative loads on transporting dump transfer device through Vibrating funnel (22), then the goaf that ore removal terminates is transported to, mix and blend filling of watering.
5. the exploitation method of a kind of thin squat as claimed in claim 4, it is characterized in that: after exploiting field each layering ore back production, sand off, adopt Reinforced Concrete Retaining Walls (7) to close the port of lower substoping haulage drift (4), back production and stowboard (15), concrete guard wall (7) stays the drain hole of 3-5 φ 100mm.
6. the exploitation method of a kind of thin squat as claimed in claim 5, is characterized in that: the false end (17) of steel bar concrete comprises the steel concrete of thickness 300mm, is provided with the topping of 30-50mm bottom steel concrete.
7. the exploitation method of a kind of thin squat as claimed in claim 1, it is characterized in that: back production big gun hole (16) array pitch 0.8 ~ 1.0m, back production big gun hole (16) spacing 0.7 ~ 0.9m, explosion adopts 2 ﹟ rock explosive powder stick shallow bore hole powder charges, half second or the segmentation of microsecond detonator, electric shock hair device is detonated.
8. the exploitation method of a kind of thin squat as claimed in claims 6 or 7, it is characterized in that: Tight filling first adopts scraper by the casting resin (6) of mixing heap to goaf, then adopts space remaining below the top board of concrete shotcrete machine sprayed mortar (23) filling exploiting field.
9. the exploitation method of a kind of thin squat as claimed in claim 8, is characterized in that: the air intake of back production and stowboard (15) is provided with the air door (19) of enclosing tunnel mouth; Return aircourse (2) is provided with a day platform shaft (18), and the base plate that sky platform shaft (18) is positioned at talent's well (8) upper end and upper substoping haulage drift (3) is matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510248023.9A CN104847356B (en) | 2015-05-15 | 2015-05-15 | Mining method of thin and small ore body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510248023.9A CN104847356B (en) | 2015-05-15 | 2015-05-15 | Mining method of thin and small ore body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104847356A true CN104847356A (en) | 2015-08-19 |
| CN104847356B CN104847356B (en) | 2017-01-11 |
Family
ID=53847283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510248023.9A Active CN104847356B (en) | 2015-05-15 | 2015-05-15 | Mining method of thin and small ore body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104847356B (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105332707A (en) * | 2015-11-23 | 2016-02-17 | 武汉理工大学 | Mining method for gently-inclined extremely-thin stratified jade mines by block cutting and pushing type discharging |
| CN105673012A (en) * | 2016-01-02 | 2016-06-15 | 武汉科技大学 | Mining-filling combined continuous mining sublevel room mining method |
| CN107725054A (en) * | 2017-08-18 | 2018-02-23 | 西北矿冶研究院 | Mining method of thin vein with changeable inclination angle |
| CN108060924A (en) * | 2018-01-15 | 2018-05-22 | 中南大学 | High-dipping multi-seams thin deposit mechanization combinations for mining methods |
| CN110295907A (en) * | 2019-06-19 | 2019-10-01 | 中国华冶科工集团有限公司 | The broken horizontal deep hole stage stripping method of lean ore body and stope |
| CN110685692A (en) * | 2019-11-06 | 2020-01-14 | 内蒙古金陶股份有限公司 | Frame mining method |
| CN110700834A (en) * | 2019-11-06 | 2020-01-17 | 内蒙古金陶股份有限公司 | Mining method of thin vein |
| CN110821495A (en) * | 2019-11-23 | 2020-02-21 | 南宁学院 | Multi-layer gentle dip ore body ore-waste separation collaborative mining method |
| CN110905513A (en) * | 2019-11-22 | 2020-03-24 | 西北矿冶研究院 | Mining method of gently inclined thin ore body |
| CN110939445A (en) * | 2019-12-31 | 2020-03-31 | 湖南黄金洞矿业有限责任公司 | Safe and efficient mechanized horizontal cut-and-fill mining method |
| CN111852555A (en) * | 2020-07-06 | 2020-10-30 | 紫金矿业集团股份有限公司 | Trenching method for one-time blasting layered shovel loading of large water inrush sunken strip mine |
| CN112012744A (en) * | 2020-09-18 | 2020-12-01 | 陕西华源矿业有限责任公司 | Comprehensive mechanized ore breaking layered filling mining method |
| CN112435564A (en) * | 2018-01-03 | 2021-03-02 | 北京科技大学 | Experimental instrument and experimental method for mining inclined medium-thick and thick ore bodies by caving method |
| CN113250695A (en) * | 2021-06-01 | 2021-08-13 | 额济纳旗圆通矿业有限责任公司 | Layered filling mining method and mine filling system |
| CN114000882A (en) * | 2021-11-03 | 2022-02-01 | 金川集团股份有限公司 | Caving method and filling method collaborative mining method for same mining area |
| CN114934774A (en) * | 2022-04-18 | 2022-08-23 | 长沙矿山研究院有限责任公司 | Mine solid waste zero discharge process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1650910A1 (en) * | 1986-11-24 | 1991-05-23 | Институт горного дела | Method of mining thin steep ore bodies |
| CN101975064A (en) * | 2010-10-21 | 2011-02-16 | 中南大学 | Mechanical continuous mining method for gently inclined thin ore body |
| CN102493806A (en) * | 2011-12-01 | 2012-06-13 | 中南大学 | Mechanized continuous mining method for wall-type gentle-inclined thin ore body |
| CN102635356A (en) * | 2012-04-26 | 2012-08-15 | 中南大学 | Medium-length hole mining method in multiple blasting free faces of high dipping thin veins |
| CN103104261A (en) * | 2013-02-18 | 2013-05-15 | 中南大学 | Multilayer ore body three dimension cooperation mining method |
-
2015
- 2015-05-15 CN CN201510248023.9A patent/CN104847356B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1650910A1 (en) * | 1986-11-24 | 1991-05-23 | Институт горного дела | Method of mining thin steep ore bodies |
| CN101975064A (en) * | 2010-10-21 | 2011-02-16 | 中南大学 | Mechanical continuous mining method for gently inclined thin ore body |
| CN102493806A (en) * | 2011-12-01 | 2012-06-13 | 中南大学 | Mechanized continuous mining method for wall-type gentle-inclined thin ore body |
| CN102635356A (en) * | 2012-04-26 | 2012-08-15 | 中南大学 | Medium-length hole mining method in multiple blasting free faces of high dipping thin veins |
| CN103104261A (en) * | 2013-02-18 | 2013-05-15 | 中南大学 | Multilayer ore body three dimension cooperation mining method |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105332707B (en) * | 2015-11-23 | 2018-08-07 | 武汉理工大学 | The very thin stratiform jade nugget shape of low-angle dip cuts pushing tow ore removal mining methods |
| CN105332707A (en) * | 2015-11-23 | 2016-02-17 | 武汉理工大学 | Mining method for gently-inclined extremely-thin stratified jade mines by block cutting and pushing type discharging |
| CN105673012A (en) * | 2016-01-02 | 2016-06-15 | 武汉科技大学 | Mining-filling combined continuous mining sublevel room mining method |
| CN105673012B (en) * | 2016-01-02 | 2018-08-21 | 武汉科技大学 | It is a kind of to adopt the block stoping filled in conjunction with continuously exploiting |
| CN107725054A (en) * | 2017-08-18 | 2018-02-23 | 西北矿冶研究院 | Mining method of thin vein with changeable inclination angle |
| CN112435564A (en) * | 2018-01-03 | 2021-03-02 | 北京科技大学 | Experimental instrument and experimental method for mining inclined medium-thick and thick ore bodies by caving method |
| CN108060924A (en) * | 2018-01-15 | 2018-05-22 | 中南大学 | High-dipping multi-seams thin deposit mechanization combinations for mining methods |
| CN108060924B (en) * | 2018-01-15 | 2019-06-07 | 中南大学 | High-dipping multi-seams thin deposit mechanization combinations for mining methods |
| CN110295907A (en) * | 2019-06-19 | 2019-10-01 | 中国华冶科工集团有限公司 | The broken horizontal deep hole stage stripping method of lean ore body and stope |
| CN110295907B (en) * | 2019-06-19 | 2021-03-23 | 中国华冶科工集团有限公司 | Layered caving mining method and stope for broken thin ore body horizontal deep hole stage |
| CN110685692B (en) * | 2019-11-06 | 2021-05-04 | 内蒙古金陶股份有限公司 | Frame mining method |
| CN110700834A (en) * | 2019-11-06 | 2020-01-17 | 内蒙古金陶股份有限公司 | Mining method of thin vein |
| CN110700834B (en) * | 2019-11-06 | 2021-04-30 | 内蒙古金陶股份有限公司 | Mining method of thin vein |
| CN110685692A (en) * | 2019-11-06 | 2020-01-14 | 内蒙古金陶股份有限公司 | Frame mining method |
| CN110905513A (en) * | 2019-11-22 | 2020-03-24 | 西北矿冶研究院 | Mining method of gently inclined thin ore body |
| CN110821495A (en) * | 2019-11-23 | 2020-02-21 | 南宁学院 | Multi-layer gentle dip ore body ore-waste separation collaborative mining method |
| CN110939445A (en) * | 2019-12-31 | 2020-03-31 | 湖南黄金洞矿业有限责任公司 | Safe and efficient mechanized horizontal cut-and-fill mining method |
| CN111852555B (en) * | 2020-07-06 | 2021-08-03 | 紫金矿业集团股份有限公司 | Trenching method for one-time blasting layered shovel loading of large water inrush sunken strip mine |
| CN111852555A (en) * | 2020-07-06 | 2020-10-30 | 紫金矿业集团股份有限公司 | Trenching method for one-time blasting layered shovel loading of large water inrush sunken strip mine |
| CN112012744A (en) * | 2020-09-18 | 2020-12-01 | 陕西华源矿业有限责任公司 | Comprehensive mechanized ore breaking layered filling mining method |
| CN113250695A (en) * | 2021-06-01 | 2021-08-13 | 额济纳旗圆通矿业有限责任公司 | Layered filling mining method and mine filling system |
| CN113250695B (en) * | 2021-06-01 | 2023-10-24 | 额济纳旗圆通矿业有限责任公司 | Layered filling mining method and mine filling system |
| CN114000882A (en) * | 2021-11-03 | 2022-02-01 | 金川集团股份有限公司 | Caving method and filling method collaborative mining method for same mining area |
| CN114934774A (en) * | 2022-04-18 | 2022-08-23 | 长沙矿山研究院有限责任公司 | Mine solid waste zero discharge process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104847356B (en) | 2017-01-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104847356B (en) | Mining method of thin and small ore body | |
| CN102562065B (en) | Sublevel open-stop and delayed filling mining method | |
| CN103590831B (en) | A kind of gentle dip is thin-the novel mining methods of middle thickness orebody | |
| CN104847352A (en) | Chamber and overhand cut combined cut-and-filling stoping method in pre-roof-protecting stage | |
| CN110331978B (en) | Environment reconstruction segmented medium-length hole subsequent filling mining method | |
| CN106223958A (en) | The slant middle thick orebody subregion rock drilling stage ore deposit afterwards filling that falls works in coordination with mining codes | |
| CN105041314A (en) | Method for united mining of deep subsequent stoping chamber and layered stoping jamb | |
| CN103437768B (en) | Pre-set space filling mining method without top column and bottom column | |
| CN102168579A (en) | Rib-pillar-free continuous sublevel filling method for mining preparation in medium-thickness slope crushed ore body vein | |
| CN105909247A (en) | Non-pillar sublevel mining cemented filling mining method | |
| CN103437769A (en) | Medium-length hole ore breaking synergistic anchor cable support subsequent filling mining method of combined reconstructed structural body | |
| CN105804748B (en) | A kind of method of block mining Wall ore under open air transport system | |
| CN113202475B (en) | Filling caving mining method | |
| CN103075156A (en) | Chessboard chamber pre-protection top upward middle-length hole ore-breaking segmented filling mining method | |
| RU2309253C1 (en) | Method for kimberlite pipe cutting in layers in upward direction along with goaf filling | |
| CN113738367B (en) | Sublevel caving downward filling mining method for complex broken and steeply inclined thin vein | |
| CN108798672A (en) | A kind of mining methods of the big area's ore high-efficiency mining that collapses | |
| CN110080774A (en) | Mine Dry-placed fill mining is fallen based on the vertical medium-length hole retrusive of high-dipping ore block | |
| CN114592909A (en) | Downward layered access filling mining method for extremely-broken thick and large ore body | |
| CN110219650B (en) | Deep hole subsequent filling mining method in environment reconstruction stage | |
| CN108952725B (en) | Low dilution mining method suitable for gentle dip thin ore body | |
| CN111749697B (en) | Stope mining-preparation engineering linking method | |
| CN103590832A (en) | Pillar pre-isolation sublevel stick-filling mining method and ore body therefor | |
| CN110397439A (en) | Mine Dry-placed fill mining is fallen based on the vertical medium-length hole retrusive of high-dipping ore block | |
| CN115773113A (en) | Mining method for steeply-inclined broken thick and large ore body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |