CN104895566A - Mining method with residual ore recovery function - Google Patents

Mining method with residual ore recovery function Download PDF

Info

Publication number
CN104895566A
CN104895566A CN201510331122.3A CN201510331122A CN104895566A CN 104895566 A CN104895566 A CN 104895566A CN 201510331122 A CN201510331122 A CN 201510331122A CN 104895566 A CN104895566 A CN 104895566A
Authority
CN
China
Prior art keywords
ore
production
slice
stoping
mining
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
Application number
CN201510331122.3A
Other languages
Chinese (zh)
Other versions
CN104895566B (en
Inventor
王平
王明旭
曹华兵
陈顺满
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan University of Science and Engineering WUSE
Original Assignee
Wuhan University of Science and Engineering WUSE
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhan University of Science and Engineering WUSE filed Critical Wuhan University of Science and Engineering WUSE
Priority to CN201510331122.3A priority Critical patent/CN104895566B/en
Publication of CN104895566A publication Critical patent/CN104895566A/en
Application granted granted Critical
Publication of CN104895566B publication Critical patent/CN104895566B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention belongs to the technical field of mining, and further discloses a mining method with a residual ore recovery function. The mining method comprises the following steps: reserving a safety pillar which is in the thickness range of 5-15 m on the hanging side of the residual ore; dividing the ore body into continuous stoping units, completing stoping and filling, and then stoping the next stoping unit, wherein the stoping units comprise three continuous ore beds, namely the higher slice, the middle slice and the lower slice; preferably stoping the higher slice, and then sequentially stoping the middle slice and the lower slice; under the situation that complete stoping is finished, performing filling; after stoping the ore body of the higher slice, adopting concrete spraying support, anchor-plate retaining or anchor-plate retaining and bolt-connected chain support for supporting the pit, and utilizing the feed path as a compensation space, stoping the ore bodies of the two lower slices from the other side cross heading, after the ore bodies of the higher slice, the middle slice and the lower slice are mined, performing filling. The mining method with the residual ore recovery function is a safe and efficient filling mining method, can realize efficient recovery of residual ore, and can ensure both the mining efficiency and the safety.

Description

A kind of remnant reclaiming mining codes
Technical field
The present invention relates to mining activities technical field, particularly a kind of remnant reclaiming mining codes.
Background technology
Along with the development of selecting and purchasing technology, the not high and unquarried ore body of some taste of past, or the ore body of complex geologic conditions, possessed mining conditions at present, can carry out exploitation reclaim it.And along with mineral resources consume increasing, mineral resources are fewer and feweri, therefore will reasonably utilize limited mineral resources.
The mining methods reclaimed residual ore deposit are a lot, mainly contain sublevel caving method without sill pillar, room-and-pillar method and filling method.Sublevel caving method without sill pillar production capacity of mining field is large, and mechanization degree is high, but comparatively large on the impact on earth's surface, the distortion shown beyond control.Room-and-pillar method is extremely strict to the requirement of top board management, and leaves a large amount of ore pillars and be difficult to reclaim.Conventional method of mining by the way of filling production capacity is low, complex manufacturing.
Summary of the invention
The invention provides a kind of remnant reclaiming mining codes, solve in prior art, safety is low, and the technical problem low to the large production efficiency of earth surface effects, reaches the technique effect of lifting operation safety and production efficiency.
For solving the problems of the technologies described above, the invention provides a kind of remnant reclaiming mining codes, comprising:
Residual ore deposit is coiled the safety pillar of reservation 5 ~ 15m thickness range;
Be continuous stoping unit by ore body division, complete back production and the next back production unit of back production again after filling;
Wherein, described back production unit comprises three continuous print ore beds, i.e. higher slices, intermediate hierarchical and lower leaf; Higher slice described in preferential back production, then intermediate hierarchical described in back production and described lower leaf successively; When completing complete extraction, fill;
After the back production of described higher slice ore body, adopt concrete spraying support, bolt-spary supports or bolt-spary supports to add bolt connecting chain supporting and supporting is carried out to pit, recycling route is as compensation space, the ore body of two layerings below the back production of opposite side cut-off, treat three layering ore bodies all exploit complete after can carry out filling.
Further, be furnished with at the upper dish of ore body and coil cut-off, be furnished with lower wall cut-off at the lower wall of ore body;
Wherein, described upper dish cut-off performs the back production of described intermediate hierarchical and described lower leaf ore, and described lower wall cut-off performs the back production of described higher slice ore.
Further, arrange two ore pass at the lower wall of ore body, the ore that each described separate zone production goes out will slip to stage haulage level by ore pass, load and export.
Further, for the mode explosion closing on the employing smooth blasting of described safety pillar place, meanwhile, Blasting height is less than or equal to 3m.
The one or more technical schemes provided in the embodiment of the present application, at least have following technique effect or advantage:
1, the remnant reclaiming mining codes that provide of the embodiment of the present invention, the safety pillar of 5 ~ 15m thickness is retained at subsidence area lower wall, residual ore deposit is reclaimed, in tunneling process, namely dig and namely prop up, both saved cost, can ensure again to exploit safety, explosion adopts smooth blasting, and fast filling is adopted in the exploitation for ore body soon, improves the safety in recovery process.
2, the remnant reclaiming mining codes that provide of the embodiment of the present invention, ore body division is become continuous print back production unit and continuous stratification, " three adopt one fills " is taked to reclaim residual ore body, the useful resources of country can not only be reclaimed to a greater extent, can production efficiency be improved again, ensure the safety in production that residual ore body reclaims simultaneously.
3, the remnant reclaiming mining codes that provide of the embodiment of the present invention, adopt the mode of upper lower burrs cut-off shunting exploitation, coordinate ore body separate zone production, be convenient to mechanized operation, accelerate the progress of operation, decrease the number of times of filling, increase production capacity, reduce costs, greatly promote production efficiency and safety.
Accompanying drawing explanation
The vertical section structure schematic diagram of the remnant reclaiming mining codes scheme that Fig. 1 provides for the embodiment of the present invention;
The cross section structure schematic diagram of the remnant reclaiming mining codes scheme that Fig. 2 provides for the embodiment of the present invention;
The horizontal profile structure schematic diagram of the remnant reclaiming mining codes scheme that Fig. 3 provides for the embodiment of the present invention.
Detailed description of the invention
The embodiment of the present invention provides a kind of ore deposit robbing pillars, solves in prior art, and remnant reclaiming safety is low, and the rate of recovery is low, and the technical problem of inefficiency, reach and promote remnant reclaiming safety, the effect of the rate of recovery and organic efficiency.
For solving the problems of the technologies described above, the embodiment of the present application provides the general thought of technical scheme as follows:
A kind of remnant reclaiming mining codes, comprising:
Residual ore deposit is coiled the safety pillar of reservation 5 ~ 15m thickness range;
Be continuous stoping unit by ore body division, complete back production and the next back production unit of back production again after filling;
Wherein, described back production unit comprises three continuous print ore beds, i.e. higher slices, intermediate hierarchical and lower leaf; Higher slice described in preferential back production, then intermediate hierarchical described in back production and described lower leaf successively; When completing complete extraction, fill;
After the back production of described higher slice ore body, adopt concrete spraying support, bolt-spary supports or bolt-spary supports to add bolt connecting chain supporting and supporting is carried out to pit, recycling route is as compensation space, the ore body of two layerings below the back production of opposite side cut-off, treat three layering ore bodies all exploit complete after can carry out filling.
Can be found out by foregoing, retain certain thickness safety pillar, ore body division is become continuous print ore bed, three layers of continuous print ore bed are divided into a production unit, each production unit is independently exploited and after filling, carry out next unit exploitation, also compromise between security while ensure that production efficiency.
In order to better understand technique scheme, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail, the specific features being to be understood that in the embodiment of the present invention and embodiment is the detailed description to technical scheme, instead of the restriction to technical scheme, when not conflicting, the technical characteristic in the embodiment of the present application and embodiment can combine mutually.
First introduce the block structure arrangement of the scheme that the present embodiment provides below.
See Fig. 1 ~ 3, route 18 perpendicular to ore body move towards arrange.
Main accurate engineering of adopting comprises: above coil cut-off 3, wear arteries and veins 17, haulage drift 10, ventilation way shaft 14 and simple and easy ramp 11, on residual ore deposit, dish leaves the thick safety pillar of 5-15m, from stage casing cross cutting back production segment level (lower wall drift), according to ore body inclined degree, drift is positioned at ore body lower wall 8 ~ 15m place.In nugget, leave fore-set 4 and foundation 15, nugget is divided into the form of mineral building and ore pillar.Arrange haulage drift 10 successively at the lower wall of ore body, drop shaft 9, ventilate humanoid courtyard 14, and each segmentation of ore body adopts road, simple and easy slope 11 to connect, and simple and easy ramp 11 basket handle arch section 2.7 × 2.5m, the gradient 12%, is shown in mining methods standard drawing.
Be furnished with at the upper dish of ore body and coil cut-off 3, lower wall cut-off 12 is furnished with at the lower wall of ore body, wherein the height of upper dish cut-off 3 is the height of three little layerings, be responsible for the back production of intermediate hierarchical and lower leaf ore, the height of lower wall cut-off 12 is the height of a little layering, is responsible for the actual mining of higher slice ore.First the ore of lower wall cut-off 12 pairs of higher slices is utilized to carry out back production, the ore body of compensation space to two layerings below that recycling coils cut-off 3 and route 18 is exploited, treat that the ore body full extraction of three layerings carries out filling to it after complete, then the ore body of three layerings of the other excavation in top is exploited.
Adopt shallow bore hole rock drilling, shallow holes depth is generally less than 2m ~ 3m, and aperture 38m ~ 42mm, minimum burden is generally 1.0m ~ 1.2m.Adopt hammer drill rock drilling, by ore deposit rock firmness coefficient, hammer drill efficiency is 30m/ machine-team, and every meter of shallow bore hole ore deposit that falls is 1.0 ~ 1.8m 3, get 1.3m 3, about 5.0 tons.The position explosion closing on safety pillar 2 is adopted to the form of smooth blasting, reduce the impact on safety pillar stability.The ore deposit that falls adopts short hole blasting to fall ore deposit, by the mining methods of this low detonate lethality, avoid the disturbance to country rock around stope, rock drilling equipment adopts 7655 type pusher leg drills, the ore deposit order that falls adopts ladder layering from bottom to top to fall ore deposit, layer height is generally 1.8 ~ 2.2m, and work plane spatial altitude is between 2.0 ~ 3.5m.With the continuous increase of land ore deposit height, answer shrink to pile and ensure work plane spatial altitude.
Adopt electric LHD haulage ore, haulage is to drop shaft 9 after mineral building shovel dress ore for scraper, and scraper enters each segmentation stope by simple and easy ramp 11.
After the ore body complete extraction of three little layerings of each back production unit is complete, consolidated fill should be carried out to mineral building in time.Filling mainly utilizes filling well 5 to carry out filling to it.
Nugget is divided into mineral building and ore pillar, first rooming, treat mineral building back production and filling complete after, then the mineral building that back production is adjacent, treat mineral building successively back production and filling complete after reclaim ore pillar again.
Introduce the operating procedure under the present embodiment forms the limit side of Collapse Pit after sublevel caving method without sill pillar exploitation, residual ore deposit reclaimed below.
To have shown that on residual ore deposit dish leaves the safety pillar 2 of the thick scope of 5-15m by numerical simulation comparatively suitable, its concrete numerical value is relevant to actual parameter.Drift 6 is arranged at the lower wall of ore body 1; arrange at the upper dish of ore body 1 and coil connection roadway 3; complete and adopt accurate cutting work; in the process of digging laneway; for weak-walled; need to carry out supporting to it in time; namely dig and namely prop up; different support patterns is adopted according to different requirements; for main haulage roadway, generally adopt combined bolting and shotcrete, in the mode of tomography, the supporting of rock crushing area employing placing of concrete; for humanoid vent (-escape) raise 14 supporting adopt 100% cast-in-situ concrete poured, to guarantee the safety of back production.
Ore body 1 is divided into continuous print ore bed, three little layerings are carried out back production as a back production unit, first back production higher slice, back production intermediate hierarchical and lower leaf successively again, after treating that three equal back production of layering are complete, carry out filling by filling well 5 pairs of back production unit, this unit complete extraction and filling complete after just can carry out the actual mining of three layerings of a upper back production unit.In stowing operation, accomplish to adopt soon soon fill as far as possible, reduce the open-assembly time in goaf.Simultaneously in stowing operation, should regularly detect it by spot sampling, to ensure the intensity that obturation 13 can reach certain, the top layer for each layering can add accelerating admixture and intensive to strengthen the intensity of obturation.
The moving towards of the vertical ore body 1 of route 18 is arranged, be furnished with at the upper dish of ore body 1 and coil cut-off 3, lower wall cut-off 12 is furnished with at the lower wall of ore body 1, wherein, the height of upper dish cut-off 3 is the height of three little layerings, be responsible for the back production of 2 layering ores below, the height of lower wall cut-off is the height of a little layering, is responsible for the actual mining of higher slice ore.
For each independently back production unit, after the back production of higher slice ore body, concrete spraying support, bolt-spary supports, bolt-spary supports need be adopted to add bolt connecting chain supporting and carry out supporting to it according to the steadiness of country rock, recycling route 18 is as compensation space, the ore body of two layerings below the back production of opposite side cut-off, treat three layering ore bodies all exploit complete after can carry out filling.
Arrange two ore pass 9 at the lower wall of ore body 1, the ore that each separate zone production goes out is by by drop shaft 9, discharging tunnel 16 and the ore removal connection roadway 6 that matches, and the stage haulage level of being transported to carries out entrucking.
The transport for equipment, material etc. of equipment raise 7 and the equipment connecting taxiway 8 that matches is furnished with at ore body lower wall, and be laid with simple and easy ramp 11 at lower wall, freshly distinguished and admirablely enter fragmented transport gallery by ramp, enter stope through layered-liaison tunnel, cleaning face.
Adopt electric LHD haulage ore, haulage is to ore pass 9 after mineral building shovel dress ore for scraper, and scraper enters each segmentation stope by simple and easy ramp 11.
Adopt the mode of smooth blasting to carry out explosion for the place closing on safety pillar 2, the height simultaneously for explosion limits, and every separate explosion is not more than the thickness of 3m.Presplit blasting is carried out for the place closing on stope, effectively reduces detonation wave to the impact of stope.
Therefore, remain with the safety pillar of Rational Thickness at subsidence area lower wall and take " three adopt one fills " to reclaim residual ore body, the useful resources of country can not only be reclaimed to a greater extent, can production efficiency be improved again, ensure the safety in production that residual ore body reclaims simultaneously.
The one or more technical schemes provided in the embodiment of the present application, at least have following technique effect or advantage:
1, the remnant reclaiming mining codes that provide of the embodiment of the present invention, the safety pillar of 5 ~ 15m thickness is retained at subsidence area lower wall, residual ore deposit is reclaimed, in tunneling process, namely dig and namely prop up, both saved cost, can ensure again to exploit safety, explosion adopts smooth blasting, and fast filling is adopted in the exploitation for ore body soon, improves the safety in recovery process.
2, the remnant reclaiming mining codes that provide of the embodiment of the present invention, ore body division is become continuous print back production unit and continuous stratification, " three adopt one fills " is taked to reclaim residual ore body, the useful resources of country can not only be reclaimed to a greater extent, can production efficiency be improved again, ensure the safety in production that residual ore body reclaims simultaneously.
3, the remnant reclaiming mining codes that provide of the embodiment of the present invention, adopt the mode of upper lower burrs cut-off shunting exploitation, coordinate ore body separate zone production, be convenient to mechanized operation, accelerate the progress of operation, decrease the number of times of filling, increase production capacity, reduce costs, greatly promote production efficiency and safety.
It should be noted last that, above detailed description of the invention is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to example to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.

Claims (4)

1. remnant reclaiming mining codes, is characterized in that, comprising:
Residual ore deposit is coiled the safety pillar of reservation 5 ~ 15m thickness range;
Be continuous stoping unit by ore body division, complete back production and the next back production unit of back production again after filling;
Wherein, described back production unit comprises three continuous print ore beds, i.e. higher slices, intermediate hierarchical and lower leaf; Higher slice described in preferential back production, then intermediate hierarchical described in back production and described lower leaf successively; When completing complete extraction, fill;
After the back production of described higher slice ore body, adopt concrete spraying support, bolt-spary supports or bolt-spary supports to add bolt connecting chain supporting and supporting is carried out to pit, recycling route is as compensation space, the ore body of two layerings below the back production of opposite side cut-off, treat three layering ore bodies all exploit complete after can carry out filling.
2. remnant reclaiming mining codes as claimed in claim 1, is characterized in that: be furnished with at the upper dish of ore body and coil cut-off, be furnished with lower wall cut-off at the lower wall of ore body;
Wherein, described upper dish cut-off performs the back production of described intermediate hierarchical and described lower leaf ore, and described lower wall cut-off performs the back production of described higher slice ore.
3. remnant reclaiming mining codes as claimed in claim 2, it is characterized in that: arrange two ore pass at the lower wall of ore body, the ore that each described separate zone production goes out will slip to stage haulage level by ore pass, load and export.
4. remnant reclaiming mining codes as claimed in claim 1, is characterized in that: for the mode explosion closing on the employing smooth blasting of described safety pillar place, meanwhile, Blasting height is less than or equal to 3m.
CN201510331122.3A 2015-06-15 2015-06-15 A kind of remnant reclaiming mining codes Expired - Fee Related CN104895566B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510331122.3A CN104895566B (en) 2015-06-15 2015-06-15 A kind of remnant reclaiming mining codes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510331122.3A CN104895566B (en) 2015-06-15 2015-06-15 A kind of remnant reclaiming mining codes

Publications (2)

Publication Number Publication Date
CN104895566A true CN104895566A (en) 2015-09-09
CN104895566B CN104895566B (en) 2017-03-08

Family

ID=54028481

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510331122.3A Expired - Fee Related CN104895566B (en) 2015-06-15 2015-06-15 A kind of remnant reclaiming mining codes

Country Status (1)

Country Link
CN (1) CN104895566B (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105863640A (en) * 2016-04-05 2016-08-17 武汉科技大学 United mining method for synchronous mining of safety pillars and same-level ore bodies
CN106089204A (en) * 2016-08-10 2016-11-09 福建省新华都工程有限责任公司 A kind of method that forward deep hole great explosion caving realizes remnant reclaiming
CN106121649A (en) * 2016-08-29 2016-11-16 山东金岭矿业股份有限公司 Use the stoping method of the remained ore of block chambering method rooming
CN106761744A (en) * 2017-02-21 2017-05-31 长沙矿山研究院有限责任公司 The reserved lane of utricule actively connects top room-and-pillar method pillar recovery method
CN106837332A (en) * 2017-03-03 2017-06-13 长沙矿山研究院有限责任公司 Mechanization step room and pillar stoping
CN106884658A (en) * 2017-03-09 2017-06-23 昆明理工大学 A kind of artificial polycrystalline substance construction method of stope
CN108643911A (en) * 2018-05-17 2018-10-12 北京矿冶科技集团有限公司 It is a kind of inclination or Steeply dipping narrow deposits boom-type roadheader fall mine success mining method
CN108952724A (en) * 2018-08-26 2018-12-07 长春黄金研究院有限公司 A kind of oblique cloth hole press-down type explosion for recycling top-bottom pillar falls mine mining methods
CN108952713A (en) * 2018-05-31 2018-12-07 西北矿冶研究院 A kind of section stope that closes is scattered the recovery methods of mineral
CN110359912A (en) * 2019-07-23 2019-10-22 长沙矿山研究院有限责任公司 A kind of slicing and filling mining methods of the unsteady peak abutment of exploitated ore country rock
CN110952981A (en) * 2019-11-14 2020-04-03 南华大学 Residual ore mining method for gently inclined medium-thick and large ore body
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
CN111594171A (en) * 2020-05-25 2020-08-28 吉林吉恩镍业股份有限公司 Construction method for converting underground mining into subsection engineering

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1492057A1 (en) * 1987-11-27 1989-07-07 Уральский научно-исследовательский и проектный институт медной промышленности "УНИПРОМЕДЬ" Method of mining mineral deposits
CN1932241A (en) * 2006-09-30 2007-03-21 长沙矿山研究院 Panel unloading and loading hig slicing filling mining method
CN101725350A (en) * 2008-10-21 2010-06-09 招金矿业股份有限公司大尹格庄金矿 Footwall vein rock drilling vein-passing access road ore removal stope caving method
CN103557003A (en) * 2013-08-07 2014-02-05 安徽大昌矿业集团有限公司 Iron ore body safety pillar mining method
CN103557002A (en) * 2013-11-21 2014-02-05 武汉科技大学 Panel mechanized centralized ore-pass upward horizontal cut-and-filling stoping method
CN103628877A (en) * 2013-11-26 2014-03-12 武汉科技大学 Multilayer gentle dip thin-medium ore deposit filling and mining method
CN104453904A (en) * 2014-11-24 2015-03-25 西北矿冶研究院 Kerve-free sublevel filling mining method
CN104453996A (en) * 2014-12-24 2015-03-25 长沙矿山研究院有限责任公司 Upward layered wall type bag filling mining method

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1492057A1 (en) * 1987-11-27 1989-07-07 Уральский научно-исследовательский и проектный институт медной промышленности "УНИПРОМЕДЬ" Method of mining mineral deposits
CN1932241A (en) * 2006-09-30 2007-03-21 长沙矿山研究院 Panel unloading and loading hig slicing filling mining method
CN101725350A (en) * 2008-10-21 2010-06-09 招金矿业股份有限公司大尹格庄金矿 Footwall vein rock drilling vein-passing access road ore removal stope caving method
CN103557003A (en) * 2013-08-07 2014-02-05 安徽大昌矿业集团有限公司 Iron ore body safety pillar mining method
CN103557002A (en) * 2013-11-21 2014-02-05 武汉科技大学 Panel mechanized centralized ore-pass upward horizontal cut-and-filling stoping method
CN103628877A (en) * 2013-11-26 2014-03-12 武汉科技大学 Multilayer gentle dip thin-medium ore deposit filling and mining method
CN104453904A (en) * 2014-11-24 2015-03-25 西北矿冶研究院 Kerve-free sublevel filling mining method
CN104453996A (en) * 2014-12-24 2015-03-25 长沙矿山研究院有限责任公司 Upward layered wall type bag filling mining method

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105863640A (en) * 2016-04-05 2016-08-17 武汉科技大学 United mining method for synchronous mining of safety pillars and same-level ore bodies
CN106089204A (en) * 2016-08-10 2016-11-09 福建省新华都工程有限责任公司 A kind of method that forward deep hole great explosion caving realizes remnant reclaiming
CN106089204B (en) * 2016-08-10 2018-03-16 福建省新华都工程有限责任公司 A kind of method that remnant reclaiming is realized in positive deep hole great explosion caving
CN106121649A (en) * 2016-08-29 2016-11-16 山东金岭矿业股份有限公司 Use the stoping method of the remained ore of block chambering method rooming
CN106761744A (en) * 2017-02-21 2017-05-31 长沙矿山研究院有限责任公司 The reserved lane of utricule actively connects top room-and-pillar method pillar recovery method
CN106761744B (en) * 2017-02-21 2019-04-09 长沙矿山研究院有限责任公司 Utricule reserves lane and actively connects top room-and-pillar method pillar recovery method
CN106837332A (en) * 2017-03-03 2017-06-13 长沙矿山研究院有限责任公司 Mechanization step room and pillar stoping
CN106884658A (en) * 2017-03-09 2017-06-23 昆明理工大学 A kind of artificial polycrystalline substance construction method of stope
CN106884658B (en) * 2017-03-09 2018-11-27 昆明理工大学 A kind of artificial bottom structure construction method of stope
CN108643911A (en) * 2018-05-17 2018-10-12 北京矿冶科技集团有限公司 It is a kind of inclination or Steeply dipping narrow deposits boom-type roadheader fall mine success mining method
CN108952713A (en) * 2018-05-31 2018-12-07 西北矿冶研究院 A kind of section stope that closes is scattered the recovery methods of mineral
CN108952724A (en) * 2018-08-26 2018-12-07 长春黄金研究院有限公司 A kind of oblique cloth hole press-down type explosion for recycling top-bottom pillar falls mine mining methods
CN110359912A (en) * 2019-07-23 2019-10-22 长沙矿山研究院有限责任公司 A kind of slicing and filling mining methods of the unsteady peak abutment of exploitated ore country rock
CN110359912B (en) * 2019-07-23 2021-10-15 长沙矿山研究院有限责任公司 Layered filling mining method for mining triangular ore with unstable ore surrounding rocks
CN110952981A (en) * 2019-11-14 2020-04-03 南华大学 Residual ore mining method for gently inclined medium-thick and large ore body
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
CN111594171A (en) * 2020-05-25 2020-08-28 吉林吉恩镍业股份有限公司 Construction method for converting underground mining into subsection engineering

Also Published As

Publication number Publication date
CN104895566B (en) 2017-03-08

Similar Documents

Publication Publication Date Title
CN104895566B (en) A kind of remnant reclaiming mining codes
CN101871347B (en) Mining environment reconstruction layering and striping medium-length hole ore removal mining method
CN103557002B (en) A kind of mechanized concentrates drop shaft filling-up method
CN103306720B (en) Inclined separated layer solid filling coal mining method for super thick coal seam
CN102518438B (en) Roof regeneration medium-length hole ore blast backfill mining method
CN101338674B (en) Non-pillar sublevel caving mining method for direct loading for ore
CN102251773B (en) Route type upward horizontal layered filling mining method suitable for extremely complex ore body mining
CN103437769B (en) Combination is reproduced structure medium-length hole ore blast and is worked in coordination with cable bolting afterwards filling mining method
CN105041314A (en) Method for united mining of deep subsequent stoping chamber and layered stoping jamb
CN110331978B (en) Environment reconstruction segmented medium-length hole subsequent filling mining method
CN110374601B (en) Safe and efficient mining method for steeply inclined double-layer ore body
CN102168579A (en) Rib-pillar-free continuous sublevel filling method for mining preparation in medium-thickness slope crushed ore body vein
CN108756885B (en) downward or upward cemented filling mechanized mining method for steeply-inclined ore body with extremely-broken ore rock
CN105909247A (en) Non-pillar sublevel mining cemented filling mining method
CN106761912B (en) It is a kind of be suitable for unstable formation efficiently on to route slicing and filling mining methods
CN110295908B (en) Mining method for gentle dip medium-thickness ore body in fluctuating sectional roadway
CN102226396A (en) Non-explosive mining method by excavation, artificial group-column reconstruction, long-hole caving and subsequent filling
CN108868771A (en) A kind of mining methods of horizontal medium-length hole back production slant middle thick orebody
CN103104259A (en) Inclination fragmentation ore body segment top board reconstruction middle-deep hole ore break down filling mining method
CN104481543A (en) Sub-level shrinkage caving method
CN103206215A (en) Precontrol top upward access cut-and-filling stopping method
CN106499396A (en) The thick low-angle dip ore block house column mining codes of interlayer containing barren rock in one kind
CN108756880B (en) A kind of high-dipping is crushed thin lode body boom-type roadheader recovery method
CN103726848A (en) Mining method applicable to recovery of gentle-inclined/inclined thin ore body
CN103557001A (en) Low-section-height drift-pillar-free shrinkage-stoping, subsequent-filling and mining method

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170308

Termination date: 20180615

CF01 Termination of patent right due to non-payment of annual fee