CN105863641A - Medium-thickness gentle-inclination broken ore body chamber column type upward horizontal layered filling mining method - Google Patents
Medium-thickness gentle-inclination broken ore body chamber column type upward horizontal layered filling mining method Download PDFInfo
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- CN105863641A CN105863641A CN201610252634.5A CN201610252634A CN105863641A CN 105863641 A CN105863641 A CN 105863641A CN 201610252634 A CN201610252634 A CN 201610252634A CN 105863641 A CN105863641 A CN 105863641A
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- 238000005065 mining Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000004568 cement Substances 0.000 claims abstract description 8
- 230000011218 segmentation Effects 0.000 claims description 50
- 238000004519 manufacturing process Methods 0.000 claims description 28
- 230000032258 transport Effects 0.000 claims description 22
- 239000004576 sand Substances 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 7
- 238000004880 explosion Methods 0.000 claims description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 6
- 239000011707 mineral Substances 0.000 claims description 6
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- 238000010790 dilution Methods 0.000 abstract description 3
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Classifications
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- 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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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
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Abstract
The invention belongs to the technical field of underground mining methods of metal ore deposits, and particularly relates to an upward horizontal layered filling mining method for a medium-thickness gently-inclined broken ore body, which comprises the steps of firstly dividing ore blocks into a plurality of mining panel areas, then dividing the panel areas into a plurality of stopes, completing the stoping of the whole panel area in two steps, wherein the stopes in the first step are arranged at intervals, and spacing columns are reserved on two sides of the stopes; dividing each 10m of the mining yard into segments, and mining the previous segment after the next segment is mined and cemented and filled with cement tailings; the mining preparation project in the panel is arranged on the upper plate of the ore body, and a point column is reserved in the middle of a stope to support a goaf for protecting the safety of stope stoping; adopting shallow hole ore falling and a scraper to remove ore; and after the stoping and filling of the chamber in the first step are finished, stoping the stope in the second step, wherein the stope in the second step is stoped by the same method as the stope in the first step. The invention is suitable for mining moderate-thickness gently-inclined broken ore bodies, and has the characteristics of safe stoping, low ore dilution and the like.
Description
Technical field
The invention belongs to metalliferous deposit underground mining methods technical field, be specifically related to middle thick low-angle dip breaking ore body filling-up method.
Background technology
A difficult problem for the exploitation of low-angle dip breaking ore body always underground mining method, does not the most all find safely and effectively mining methods, and ore body crushes in addition, more increases ore body back production difficulty.Traditional mining methods have the mining methods such as room and pillar stoping, the method for mining by the way of filling, breasting method mining codes, and it is preferable that these mining methods consolidate orebody mining effect for low-angle dip thin, very thin, but not good enough for low-angle dip breaking ore body exploitation effect more than middle thickness.
Summary of the invention
It is an object of the invention to provide one and nugget is divided into several stalls, in panel, be further subdivided into several stopes, the middle thick low-angle dip breaking ore body filling-up method that the back production in whole panel completes the most suddenly.
For achieving the above object, the present invention provides following technical scheme:
Middle thick low-angle dip breaking ore body filling-up method, these mining codes are carried out as steps described below:
A () first arranges ramp at the upper dish of ore body, ramp crosses with each segmentation ore removal and is connected, and ramp is the walking passageway of scraper and personnel；
B each stope is divided five segmentations, respectively one segmentation, two-section, three segmentations, four segmentations and five segmentations by (), use ramp to connect between each segmentation；
C () arranges extension ore body roof layering gallery inside the stope of each segmentation, as the scraper passage of ore removal in arteries and veins, arrange fragmented transport gallery outside the upper Pan Mai of two-section five segmentation, and fragmented transport gallery is parallel with orebody trend；
D () arranges ore removal drop shaft at the upper dish of ore body, the top of ore removal drop shaft is crossed with five segmentation ore removals and is connected, and bottom is crossed with a stage casing ore removal and is connected；
E the back production in () whole panel is divided into Two step mining, a step back production stope interval is arranged, stope uses substoping from bottom to top, in a step after all mineral building back production, sand off, carries out two step stope minings；
(f) first back production one segmentation, crossed interior along orebody trend layout extension ore body roof layering gallery before this from ore removal, then upwards play cutting at extension ore body roof layering gallery near studding to go up a hill, the scope of freedom and compensation space as stope explosion, stope explosion uses shallow bore hole to fall ore deposit, scraper is from ramp, ore removal crosses entrance stope, crossed by ore removal after shovel dress ore and transport, mine car is loaded in stage haulage way, the like, until a substoping is complete, use the cementing segmentation dead zone of cement tailings, interior layout filling counterfort is crossed at ore removal after sand off, prevent obturation from flowing out；
After (g) substoping, filling, going to two slicings, personnel and equipment and enter two layerings by ramp, two is layered and parallel in orebody trend one fragmented transport gallery of layout, fragmented transport gallery is connected with each ore drawing in stope crosscut, and two-section adopts cutting process and a segmentation is identical；
H () scraper crosses entrance stope from from ramp, ore removal, crossed by ore removal after shovel dress ore, fragmented transport gallery transports, pour ore removal into and cross the drop shaft of the end, the like, until two-section back production is complete, use cement tailings cementing two-section dead zone, cross interior layout filling counterfort at ore removal after sand off, prevent obturation from flowing out；
(i) three segmentations, four segmentations, five segmentations process for stoping identical with two-section.
Preferably, extent length is 100-150m, and level interval is 50m；Height of lift is 10m, orebody thickness 4-15m；Width of stope 18m, studding width 2m, some post is 4 × 4m.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention is suitable for the mining methods of thick low-angle dip breaking surrounding rock ore body in exploitation, first nugget being divided into several stalls, is further subdivided into several stopes in panel, the back production in whole panel completes the most suddenly, first step back production stope interval is arranged, stope both sides are stayed and set studding；In stope, every 10m divides a segmentation, after treating down each and every one substoping, after cement tailing cemented filling, the last segmentation of back production；Adopt quasi-work arrangement dish on ore body in panel, for protecting the security of mineral building back production, stay the post that sets up an office to support goaf in the middle of stope；Shallow bore hole is used to fall ore deposit, scraper ore removal；After a step mineral building back production filling completes, back production two step stope, the method for back production two step stope is identical with a step back production stope.The present invention is suitable for thick low-angle dip breaking ore body in exploitation, has the features such as back production safety, ore dilution be low.
Accompanying drawing explanation
Fig. 1 is the ore body back production schematic diagram of the present invention；
Fig. 2 is the B-B cross-sectional view of Fig. 1；
Fig. 3 is the C-C cross-sectional view of Fig. 1.
In figure: 1. studding, 2. obturation, 3. a post, 4. cutting are gone up a hill, 5. ore removal drop shaft, 6. ore removal cross, 7. ramp, 8. fragmented transport gallery, 9. ore, 10. extension ore body roof are layered gallery, 11. filling counterforts, 12. stage haulage ways.
Detailed description of the invention
Referring to Fig. 1-3, middle thick low-angle dip breaking ore body filling-up method, these mining codes are carried out as steps described below:
A () first arranges ramp 7 at the upper dish of ore body, ramp 7 crosses 6 with each segmentation ore removal and is connected, and ramp 7 is the walking passageway of scraper and personnel；
B each stope is divided five segmentations, respectively one segmentation, two-section, three segmentations, four segmentations and five segmentations by (), use ramp 7 to connect between each segmentation；
C () arranges extension ore body roof layering gallery 10 inside the stope of each segmentation, as the scraper passage of ore removal in arteries and veins, arrange fragmented transport gallery 8 outside the upper Pan Mai of two-section five segmentation, and fragmented transport gallery 8 is parallel with orebody trend；
D () arranges ore removal drop shaft 5 at the upper dish of ore body, the top of ore removal drop shaft 5 is crossed 6 with five segmentation ore removals and is connected, and bottom is crossed 6 with a stage casing ore removal and is connected；
E the back production in () whole panel is divided into Two step mining, one step back production stope interval is arranged, stope uses substoping from bottom to top, stays some post 3 permanent support setting 4 × 4m in the middle part of stope, in one step after all mineral building back production, sand off, carry out two step stope minings；
(f) first back production one segmentation, arranged along orebody trend in ore removal crosses 6 before this and hung ore body roof layering gallery 10, then upwards play cutting near studding 1 and go up a hill 4 hanging ore body roof layering gallery 10, the scope of freedom and compensation space as stope explosion, stope explosion uses shallow bore hole to fall ore deposit, scraper is from ramp 7, ore removal crosses 6 entrance stopes, cross 6 by ore removal after shovel dress ore 9 to transport, mine car is loaded in stage haulage way 12, the like, until a substoping is complete, use the cementing segmentation dead zone of cement tailings, in ore removal crosses 6, filling counterfort 11 is arranged after sand off, prevent obturation 2 from flowing out；
After (g) substoping, filling, going to two slicings, personnel and equipment and enter two layerings by ramp 7, two is layered and parallel in orebody trend one fragmented transport gallery 8 of layout, fragmented transport gallery 8 is connected with each ore drawing in stope crosscut 6, and two-section adopts cutting process and a segmentation is identical；
H () scraper crosses 6 entrance stopes from from ramp 7, ore removal, cross 6 by ore removal after shovel dress ore 9, fragmented transport gallery 8 transports, pour ore removal into and cross the drop shaft of 6 ends, the like, until two-section back production is complete, use cement tailings cementing two-section dead zone, in ore removal crosses 6, arrange filling counterfort 11 after sand off, prevent obturation 2 from flowing out；
(i) three segmentations, four segmentations, five segmentations process for stoping identical with two-section.
Structural parameters: extent length is 100-150m, level interval is 50m；Height of lift is 10m, orebody thickness 4-15m；Width of stope 18m, studding width 2m, some post 3 is 4 × 4m；Main economic and technical indices:
Panel production capacity: 800t/d；The rate of dilution: 1%-2%；Loss late: 17%.
Claims (2)
1. thick low-angle dip breaking ore body filling-up method in, it is characterised in that: these mining codes are carried out as steps described below:
A () first arranges ramp at the upper dish of ore body, ramp crosses with each segmentation ore removal and is connected, and ramp is the walking passageway of scraper and personnel；
B each stope is divided five segmentations, respectively one segmentation, two-section, three segmentations, four segmentations and five segmentations by (), use ramp to connect between each segmentation；
C () arranges extension ore body roof layering gallery inside the stope of each segmentation, as the scraper passage of ore removal in arteries and veins, arrange fragmented transport gallery outside the upper Pan Mai of two-section five segmentation, and fragmented transport gallery is parallel with orebody trend；
D () arranges ore removal drop shaft at the upper dish of ore body, the top of ore removal drop shaft is crossed with five segmentation ore removals and is connected, and bottom is crossed with a stage casing ore removal and is connected；
E the back production in () whole panel is divided into Two step mining, a step back production stope interval is arranged, stope uses substoping from bottom to top, in a step after all mineral building back production, sand off, carries out two step stope minings；
(f) first back production one segmentation, crossed interior along orebody trend layout extension ore body roof layering gallery before this from ore removal, then upwards play cutting at extension ore body roof layering gallery near studding to go up a hill, the scope of freedom and compensation space as stope explosion, stope explosion uses shallow bore hole to fall ore deposit, scraper is from ramp, ore removal crosses entrance stope, crossed by ore removal after shovel dress ore and transport, mine car is loaded in stage haulage way, the like, until a substoping is complete, use the cementing segmentation dead zone of cement tailings, interior layout filling counterfort is crossed at ore removal after sand off, prevent obturation from flowing out；
After (g) substoping, filling, going to two slicings, personnel and equipment and enter two layerings by ramp, two is layered and parallel in orebody trend one fragmented transport gallery of layout, fragmented transport gallery is connected with each ore drawing in stope crosscut, and two-section adopts cutting process and a segmentation is identical；
H () scraper crosses entrance stope from from ramp, ore removal, crossed by ore removal after shovel dress ore, fragmented transport gallery transports, pour ore removal into and cross the drop shaft of the end, the like, until two-section back production is complete, use cement tailings cementing two-section dead zone, cross interior layout filling counterfort at ore removal after sand off, prevent obturation from flowing out；
(i) three segmentations, four segmentations, five segmentations process for stoping identical with two-section.
2. middle thick low-angle dip breaking ore body filling-up method as claimed in claim 1, it is characterised in that: extent length is 100-150m, and level interval is 50m；Height of lift is 10m, orebody thickness 4-15m；Width of stope 18m, studding width 2m, some post is 4 × 4m.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301835A (en) * | 2018-02-09 | 2018-07-20 | 兰州有色冶金设计研究院有限公司 | Pseudo- inclined ramp road panel point pillar method of stoping |
| CN108708721A (en) * | 2018-04-04 | 2018-10-26 | 深圳市中金岭南有色金属股份有限公司凡口铅锌矿 | To substoping method in a kind of mechanization |
| CN108868880A (en) * | 2018-06-27 | 2018-11-23 | 江西理工大学 | Mineral building for level pillar recycling fills structure, level pillar recovery method |
| CN109025996A (en) * | 2018-07-24 | 2018-12-18 | 周伟永 | A kind of underground mine successively squeezes, photoface exploision mining methods |
| CN109296367A (en) * | 2018-11-16 | 2019-02-01 | 西北矿冶研究院 | Upward horizontal layered filling mining method for medium-thickness slowly-inclined broken ore body |
| CN109339790A (en) * | 2018-11-15 | 2019-02-15 | 中国恩菲工程技术有限公司 | The recovery method of middle thickness low-angle dip breaking ore body |
| CN109505604A (en) * | 2018-09-25 | 2019-03-22 | 南京银茂铅锌矿业有限公司 | Ramp method for arranging applied to upward ut and fill stoping stope |
| 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 |
| 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 |
| CN111075449A (en) * | 2019-12-23 | 2020-04-28 | 中国华冶科工集团有限公司 | Continuous mining method for unstable ore body |
| CN112177611A (en) * | 2020-09-28 | 2021-01-05 | 安徽铜冠（庐江）矿业有限公司 | Method for mining inclined or steeply inclined hard thin ore body |
| CN114000879A (en) * | 2021-09-29 | 2022-02-01 | 中南大学 | High-capacity high-efficiency shallow hole ore breaking process suitable for thick and large ore body |
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| CN104453904A (en) * | 2014-11-24 | 2015-03-25 | 西北矿冶研究院 | Sublevel filling mining method without drawing groove |
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| CN102168579A (en) * | 2011-04-15 | 2011-08-31 | 中南大学 | Rib-pillar-free continuous sublevel filling method for mining preparation in medium-thickness slope crushed ore body vein |
| CN102392641A (en) * | 2011-08-02 | 2012-03-28 | 中钢矿业开发有限公司 | Point pillar type full-ore-deposit middle-section-free upward high-layering continuous propelling fill mining method |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301835B (en) * | 2018-02-09 | 2019-11-08 | 兰州有色冶金设计研究院有限公司 | Pseudo- inclined ramp road panel point pillar method of stoping |
| CN108301835A (en) * | 2018-02-09 | 2018-07-20 | 兰州有色冶金设计研究院有限公司 | Pseudo- inclined ramp road panel point pillar method of stoping |
| CN108708721A (en) * | 2018-04-04 | 2018-10-26 | 深圳市中金岭南有色金属股份有限公司凡口铅锌矿 | To substoping method in a kind of mechanization |
| CN108708721B (en) * | 2018-04-04 | 2020-07-24 | 深圳市中金岭南有色金属股份有限公司凡口铅锌矿 | Mechanized upward segmented stoping method |
| CN108868880A (en) * | 2018-06-27 | 2018-11-23 | 江西理工大学 | Mineral building for level pillar recycling fills structure, level pillar recovery method |
| CN109025996A (en) * | 2018-07-24 | 2018-12-18 | 周伟永 | A kind of underground mine successively squeezes, photoface exploision mining methods |
| CN109025996B (en) * | 2018-07-24 | 2019-12-10 | 周伟永 | Underground mine layer-by-layer extrusion and smooth blasting mining method |
| CN109505604B (en) * | 2018-09-25 | 2020-07-07 | 南京银茂铅锌矿业有限公司 | Slope ramp arrangement method applied to stope adopting upward layered filling mining method |
| CN109505604A (en) * | 2018-09-25 | 2019-03-22 | 南京银茂铅锌矿业有限公司 | Ramp method for arranging applied to upward ut and fill stoping stope |
| CN109339790A (en) * | 2018-11-15 | 2019-02-15 | 中国恩菲工程技术有限公司 | The recovery method of middle thickness low-angle dip breaking ore body |
| CN109296367A (en) * | 2018-11-16 | 2019-02-01 | 西北矿冶研究院 | Upward horizontal layered filling mining method for medium-thickness slowly-inclined broken ore body |
| 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 |
| CN111075449A (en) * | 2019-12-23 | 2020-04-28 | 中国华冶科工集团有限公司 | Continuous mining method for unstable 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 |
| CN112177611A (en) * | 2020-09-28 | 2021-01-05 | 安徽铜冠（庐江）矿业有限公司 | Method for mining inclined or steeply inclined hard thin ore body |
| CN114000879A (en) * | 2021-09-29 | 2022-02-01 | 中南大学 | High-capacity high-efficiency shallow hole ore breaking process suitable for thick and large ore body |
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