CN108661638A - A kind of method of ring holes recycling ore pillar - Google Patents
A kind of method of ring holes recycling ore pillar Download PDFInfo
- Publication number
- CN108661638A CN108661638A CN201810435965.1A CN201810435965A CN108661638A CN 108661638 A CN108661638 A CN 108661638A CN 201810435965 A CN201810435965 A CN 201810435965A CN 108661638 A CN108661638 A CN 108661638A
- Authority
- CN
- China
- Prior art keywords
- ore pillar
- ore
- fore
- ring holes
- pillar
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
Abstract
The present invention relates to a kind of methods that ring holes recycle ore pillar, when being exploited including open air trestle, nugget is arranged along orebody trend, each nugget divides mineral building and ore pillar, Development system and adopt Barebone, it is characterised in that using ring holes back production mine thickness ore pillar fore-set unit and using pole unit between long fanhole(s) back production.It is an advantage of the invention that：The transition from open-pit underground first stage is exploited using shallow hole shrinkage method, ore pillar mine unrecovered long, measures engineering amount can be reduced using such recovery method, save the time of ore pillar processing, it can ensure the uniform of broken ore lumpiness simultaneously, improve the rate of recovery of ore pillar recycling.
Description
Technical field
The invention belongs to underground ore pillar recovery technology fields more particularly to transition from open-pit underground first stage to use shallow-hole shrinkage
Method is exploited, a kind of method of ore pillar ring holes recycling ore pillar unrecovered long.
Background technology
Shallow hole shrinkage method is one kind of open-stope method, is generally that back production unit is exploited with nugget, nugget is divided into again
Mineral building and ore pillar two parts, mineral building are the major parts of ore back production, and ore pillar is the major part for ensureing production safety, ore pillar packet
Fore-set, foundation and studding are included.To the stope of low-angle dip and inclined orebody, also there are ore pillars in a certain number of fields.Mineral building returns
Goaf is formed after adopting, goaf must be handled in due course, and otherwise goaf large area generates, and will cause large-scale rock
Shifting accident.Therefore it is an important job to the recycling of the ore pillar in open-stope method mine and Mined-out Area control.
Pillar recovery is a component part of block stoping, it is desirable that considers to adopt accurate, cutting engineering together with mineral building.But I
State part open-stope method mine, after mineral building back production, slowly without the recycling of ore pillar, this not only causes the damage of stock number
It loses, also improves difficulty to follow-up pillar recovery.
Invention content
The purpose of the present invention is exploited for the transition from open-pit underground first stage using shallow hole shrinkage method, and ore pillar is unrecovered long, is
Eliminate the method that the ring holes for the features such as ore pillar mine amount can recycle by mine hidden danger simultaneously recycle ore pillar.
The purpose of the present invention is be achieved through the following technical solutions.
A kind of method of ring holes recycling ore pillar of the present invention, including when open air trestle exploitation, along orebody trend cloth
Set nugget, each nugget divides mineral building and ore pillar, Development system and adopts Barebone and includes level haulageway, return aircourse I, returns
Ventilating shaft, pedestrian's vent (-escape) raise, pedestrian's vent (-escape) raise connection roadway and bottom structure are opened stage by stage using shallow hole shrinkage method
It adopts, after mineral building back production, forms the goaf of mineral building size, stay set ore pillar in the first stage, the ore pillar includes thick mine
Column, fore-set, studding and foundation, the thick ore pillar is apart from outdoor bottom 20-30m, it is characterised in that including using ring holes
Pole unit between back production thickness ore pillar-fore-set unit and the long fanhole(s) back production of use；
It is described to include using ring holes back production thickness ore pillar-fore-set unit：
1）Arteries and veins external position newly digs return aircourse II among thick ore pillar, while every 50m, being dug perpendicular to mine in studding corresponding position
The connecting taxiway of body；
2）In ore body connecting taxiway, using Simba1354 drill jumboes along the annular big gun of orebody trend construction thick ore pillar and fore-set
The ring holes distance from bottom goaf of hole, the thick ore pillar and fore-set and construction tunnel should stay 0.5m ~ 2.0m is impermeable to wear,
The ring holes powder charge of the thick ore pillar and fore-set carries out powder charge using BQF-100 type explosive loaders；
Pole unit includes between the long fanhole(s) back production of the use：
1）Studding drilling chamber is dug in pedestrian's vent (-escape) raise connection roadway；
2）It is constructed respectively along studding inclination angle using QZJ-100B down-the-hole drills downwards and in studding drilling chamber in ore body connecting taxiway
Between column length fanhole(s), the blasthole distance from bottom goaf of column length fanhole(s) and pedestrian's vent (-escape) raise connection roadway there are
0.5m ~ 2.0m is impermeable to be worn, and blast hole projectile filling uses explosive loading truck；
Explosion is carried out to installing the thick ore pillar of medicine and the ring holes of fore-set and column length fanhole(s), entire blasting network is adopted
It is passed by primacord using after nonel tube ignition primacord using initiator detonation nonel tube with double-detonating network
It is quick-fried to detonator in hole, then by millisecond difference Nonel detonator ignite igniting primer；
Using the adjacent face of ore pillar and goaf as the scope of freedom, in order to make full use of this scope of freedom, thick ore pillar and fore-set and studding equal
Using different sections of short-delay blasting of same row, i.e., first detonates close to the blasthole on the scope of freedom, then detonate successively into ore pillar,
Column length fanhole(s) lags behind thick ore pillar and the detonation of fore-set ring holes, and first stage foundation waits for that next stage mineral building back production finishes
It is recycled together with next stage fore-set afterwards；
The ore pillar ore of avalanche after explosion is then charged into mine car by bottom structure ore removal, passes through level haulageway to auxiliary shaft
Parking lot, eventually by auxiliary shaft hoisting to earth's surface.
The blasthole diameter 76mm of the thick ore pillar and fore-set ring holes, minimum burden 1.6m ~ 2.0m, bottom hole pitch
2.5m ~ 3.0m, blasthole array pitch 1.6m ~ 2.0m..
The blasthole diameter 100mm of column length fanhole(s) between described, minimum burden 1.6m, bottom hole pitch are 2.5m ~ 3.0m,
Array pitch is 1.1 ~ 1.6m.
The beneficial effects of the invention are as follows create to meet personnel and equipment walking, construction and ventilation etc. using new pick return aircourse
Condition, it is ensured that the safety of operation and production；Then advanced drill jumbo, 360 ° of blastholes that are circular layout is utilized to reduce measure
Quantities accelerates the penetration rate of blasthole, saves the time of ore pillar processing, while can ensure the equal of broken ore lumpiness
It is even, improve the rate of recovery of ore pillar recycling.In addition, handling studding using long fanhole(s), the operation peace of construction personnel ensure that
Entirely, the effect in processing goaf is also played.
Description of the drawings
Fig. 1 is the front sectional elevation A-A of the method for ring holes recycling ore pillar of the present invention.
Fig. 2 is the left view B-B sectional views of Fig. 1 of the present invention.
Fig. 3 is that Fig. 1 of the present invention overlooks C-C sectional views.
1. level haulageway in figure, 2. returnairshafts, 3. return aircourses I, 4. new pick return aircourses II, 5. ore bodies connection
Network road, 6. people's row vent (-escape) raises, 7. studding drilling chambers, 8. thick ore pillars, 9. fore-sets, 10. studdings, 11. foundation, 12. bottoms
Structure, 13. ring holes, 14. long fanhole(s)s, 15. goafs.
Specific implementation mode
The following further describes the present invention with reference to the drawings.
As shown in Figs. 1-3, the method for a kind of ring holes of the invention recycling ore pillar, including when open air trestle exploitation,
Nugget is arranged along orebody trend, and each nugget divides mineral building and ore pillar, Development system and to adopt Barebone include level haulageway
1, return aircourse I 3, returnairshaft 2, pedestrian's vent (-escape) raise 6, pedestrian's vent (-escape) raise connection roadway and bottom structure 12, using shallow bore hole
Shrinkage method is exploited stage by stage, after mineral building back production, is formed the goaf 15 of mineral building size, is stayed set mine in the first stage
Column, the ore pillar include thick ore pillar 8, fore-set 9, studding 10 and foundation 11, and the thick ore pillar 8 is apart from outdoor bottom 20-
30m, it is characterised in that including using 13 back production thickness ore pillar of ring holes-fore-set unit and using between long fan-shaped 14 blasthole back production
Pole unit；
It is described to include using ring holes back production thickness ore pillar-fore-set unit：
1）Return aircourse II 4 is newly dug in 8 intermediate arteries and veins external position of thick ore pillar, while every 50m, it is vertical in the pick of 10 corresponding position of studding
In the connecting taxiway 5 of ore body；
2）In ore body connecting taxiway 5, using Simba1354 drill jumboes along the annular of orebody trend construction thick ore pillar 8 and fore-set 9
The 10 distance from bottom goaf 15 of ring holes of blasthole 13, the thick ore pillar 8 and fore-set 9 and construction tunnel should stay 0.5m ~
2.0m is impermeable to be worn, and construction tunnel includes：Return aircourse 3, new pick return aircourse 4 and ore body connecting taxiway 5 etc., the thickness
13 powder charge of ring holes of ore pillar 8 and fore-set 9 carries out powder charge using BQF-100 type explosive loaders；
Pole unit includes between the long fanhole(s) back production of the use：
1）Studding drilling chamber 7 is dug in pedestrian's vent (-escape) raise connection roadway；
2）It is applied respectively along studding inclination angle using QZJ-100B down-the-hole drills downwards and in studding drilling chamber 7 in ore body connecting taxiway 5
Break column length fanhole(s), the blasthole distance from bottom goaf 15 of column length fanhole(s) 14 and pedestrian's vent (-escape) raise connection roadway
It wears there are 0.5m ~ 2.0m is impermeable, blast hole projectile filling uses explosive loading truck；
Explosion is carried out to installing the thick ore pillar 8 of medicine and the ring holes 13 of fore-set 9 and 10 long fanhole(s) 14 of studding, it is entire quick-fried
The network that scores a goal use double-detonating network, using initiator detonate nonel tube, using nonel tube ignite primacord after by
Detonator in primacord propagation of explosion to hole then ignites igniting primer by millisecond difference Nonel detonator；
Using the adjacent face of ore pillar and goaf 15 as the scope of freedom, in order to make full use of this scope of freedom, thick ore pillar 8 and fore-set 9 and
Column 10 is all made of with the short-delay blasting for arranging different sections, i.e., first detonates close to the blasthole on the scope of freedom, then successively into ore pillar
Detonation, 10 long fanhole(s) 14 of studding lag behind thick ore pillar 8 and the detonation of 9 ring holes 13 of fore-set, and first stage foundation 11 waits for down
It is recycled together with next stage fore-set after the mineral building back production of one stage；This detonation mode effectively ensure it is safe and reliable,
Accurately detonate.
The transition from open-pit underground first stage is exploited using shallow hole shrinkage method, ore pillar mine unrecovered long uses this hair
The method of bright ring holes recycling ore pillar can reduce measures engineering amount, save the time of ore pillar processing, while can protect
The uniform of broken ore lumpiness is demonstrate,proved, the rate of recovery of ore pillar recycling is improved.
Claims (3)
1. a kind of method of ring holes recycling ore pillar, including when open air trestle exploitation, arrange nugget along orebody trend, each
Nugget divides mineral building and ore pillar, Development system and to adopt Barebone include level haulageway, return aircourse, returnairshaft, Hang Rentong
Wind courtyard, pedestrian's vent (-escape) raise connection roadway and bottom structure are exploited stage by stage using shallow hole shrinkage method, mineral building back production knot
Shu Hou forms the goaf of mineral building size, stays set ore pillar in the first stage, the ore pillar include thick ore pillar, fore-set, studding and
Foundation, the thick ore pillar is apart from outdoor bottom 20-30m, it is characterised in that including using ring holes back production thickness ore pillar-fore-set
Pole unit between unit and the long fanhole(s) back production of use；
It is described to include using ring holes back production thickness ore pillar-fore-set unit：
1）Arteries and veins external position newly digs return aircourse among thick ore pillar, while every 50m, being dug perpendicular to ore body in studding corresponding position
Connecting taxiway；
2）In ore body connecting taxiway, using Simba1354 drill jumboes along the annular big gun of orebody trend construction thick ore pillar and fore-set
The ring holes distance from bottom goaf of hole, the thick ore pillar and fore-set and construction tunnel should stay 0.5m ~ 2.0m is impermeable to wear,
The ring holes powder charge of the thick ore pillar and fore-set carries out powder charge using BQF-100 type explosive loaders；
Pole unit includes between the long fanhole(s) back production of the use：
1）Studding drilling chamber is dug in pedestrian's vent (-escape) raise connection roadway；
2）It is constructed respectively along studding inclination angle using QZJ-100B down-the-hole drills downwards and in studding drilling chamber in ore body connecting taxiway
Between column length fanhole(s), the blasthole distance from bottom goaf of column length fanhole(s) and pedestrian's vent (-escape) raise connection roadway there are
0.5m ~ 2.0m is impermeable to be worn, and blast hole projectile filling uses explosive loading truck；
Explosion is carried out to installing the thick ore pillar of medicine and the ring holes of fore-set and column length fanhole(s), entire blasting network is adopted
It is passed by primacord using after nonel tube ignition primacord using initiator detonation nonel tube with double-detonating network
It is quick-fried to detonator in hole, then by millisecond difference Nonel detonator ignite igniting primer；
Using the adjacent face of ore pillar and goaf as the scope of freedom, in order to make full use of this scope of freedom, thick ore pillar and fore-set and studding equal
Using different sections of short-delay blasting of same row, i.e., first detonates close to the blasthole on the scope of freedom, then detonate successively into ore pillar,
Column length fanhole(s) lags behind thick ore pillar and the detonation of fore-set ring holes, and first stage foundation waits for that next stage mineral building back production finishes
It is recycled together with next stage fore-set afterwards；
The ore pillar ore of avalanche after explosion is then charged into mine car by bottom structure ore removal, passes through level haulageway to auxiliary shaft
Parking lot, eventually by auxiliary shaft hoisting to earth's surface.
2. the method for ring holes recycling ore pillar according to claim 1, it is characterised in that the thick ore pillar and fore-set
The blasthole diameter 76mm of ring holes, minimum burden 1.6m ~ 2.0m, bottom hole pitch 2.5m ~ 3.0m, blasthole array pitch 1.6m ~
2.0m。
3. the method for ring holes recycling ore pillar according to claim 1, it is characterised in that column length sector big gun between described
The blasthole diameter 100mm in hole, minimum burden 1.6m, bottom hole pitch are 2.5m ~ 3.0m, and array pitch is 1.1 ~ 1.6m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810435965.1A CN108661638B (en) | 2018-05-09 | 2018-05-09 | A kind of method of ring holes recycling ore pillar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810435965.1A CN108661638B (en) | 2018-05-09 | 2018-05-09 | A kind of method of ring holes recycling ore pillar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108661638A true CN108661638A (en) | 2018-10-16 |
| CN108661638B CN108661638B (en) | 2019-09-24 |
Family
ID=63778740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810435965.1A Active CN108661638B (en) | 2018-05-09 | 2018-05-09 | A kind of method of ring holes recycling ore pillar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108661638B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2083832C1 (en) * | 1995-09-26 | 1997-07-10 | Научно-исследовательский институт горной геомеханики и маркшейдерского дела "ВНИМИ" | Method for development of steep impact-risky seams |
| CN103615250A (en) * | 2013-12-09 | 2014-03-05 | 中南大学 | Subsection-studding all-open-stoping backfilling collaborative mining method |
| CN205225270U (en) * | 2015-12-25 | 2016-05-11 | 河北钢铁集团矿业有限公司 | Mining drilling chamber structure is filled to underground |
| CN106121647A (en) * | 2016-08-04 | 2016-11-16 | 西北矿冶研究院 | Method for centralized recovery of lag pillars through fractional blasting |
| CN106223958A (en) * | 2016-08-10 | 2016-12-14 | 山东华联矿业股份有限公司 | The slant middle thick orebody subregion rock drilling stage ore deposit afterwards filling that falls works in coordination with mining codes |
| CN106677780A (en) * | 2017-02-21 | 2017-05-17 | 中冶北方（大连）工程技术有限公司 | Upward and downward staged rock drilling, sublevel bottom cutting and ore removal subsequent backfilling mining method |
| CN107035372A (en) * | 2017-06-09 | 2017-08-11 | 临沂会宝岭铁矿有限公司 | A kind of moat ditch formula polycrystalline substance enters trackside peak abutment post recovery method |
| CN107339104A (en) * | 2017-08-03 | 2017-11-10 | 长沙矿山研究院有限责任公司 | Security personnel's curtain wall recovery method |
| CN107939402A (en) * | 2017-12-28 | 2018-04-20 | 昆明冶金高等专科学校 | The mining methods of firm inclined thick ore body more than a kind of back production ore-rock is medium |
| CN107989614A (en) * | 2017-12-06 | 2018-05-04 | 昆明冶金高等专科学校 | The mining methods of the inclined thick ore body of disk rock crusher in a kind of back production |
-
2018
- 2018-05-09 CN CN201810435965.1A patent/CN108661638B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2083832C1 (en) * | 1995-09-26 | 1997-07-10 | Научно-исследовательский институт горной геомеханики и маркшейдерского дела "ВНИМИ" | Method for development of steep impact-risky seams |
| CN103615250A (en) * | 2013-12-09 | 2014-03-05 | 中南大学 | Subsection-studding all-open-stoping backfilling collaborative mining method |
| CN205225270U (en) * | 2015-12-25 | 2016-05-11 | 河北钢铁集团矿业有限公司 | Mining drilling chamber structure is filled to underground |
| CN106121647A (en) * | 2016-08-04 | 2016-11-16 | 西北矿冶研究院 | Method for centralized recovery of lag pillars through fractional blasting |
| CN106223958A (en) * | 2016-08-10 | 2016-12-14 | 山东华联矿业股份有限公司 | The slant middle thick orebody subregion rock drilling stage ore deposit afterwards filling that falls works in coordination with mining codes |
| CN106677780A (en) * | 2017-02-21 | 2017-05-17 | 中冶北方（大连）工程技术有限公司 | Upward and downward staged rock drilling, sublevel bottom cutting and ore removal subsequent backfilling mining method |
| CN107035372A (en) * | 2017-06-09 | 2017-08-11 | 临沂会宝岭铁矿有限公司 | A kind of moat ditch formula polycrystalline substance enters trackside peak abutment post recovery method |
| CN107339104A (en) * | 2017-08-03 | 2017-11-10 | 长沙矿山研究院有限责任公司 | Security personnel's curtain wall recovery method |
| CN107989614A (en) * | 2017-12-06 | 2018-05-04 | 昆明冶金高等专科学校 | The mining methods of the inclined thick ore body of disk rock crusher in a kind of back production |
| CN107939402A (en) * | 2017-12-28 | 2018-04-20 | 昆明冶金高等专科学校 | The mining methods of firm inclined thick ore body more than a kind of back production ore-rock is medium |
Non-Patent Citations (2)
| Title |
|---|
| 张立新: "《李楼铁矿首采采场中深孔爆破参数的确定》", 《采矿技术》 * |
| 焦满岱: "《厂坝铅锌矿采场矿柱的回收爆破》", 《矿业工程》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108661638B (en) | 2019-09-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105735993B (en) | A kind of method of the preventing and treating tight roof type bump based on carbon dioxide explosion | |
| CN101328809B (en) | Non-bottom pillar deep hole falling-back type mining method | |
| CN102808622B (en) | Method for recovering ore pillar by medium-length hole and deep hole combined blasting technology | |
| CN102778182B (en) | Beside-roadway topping pressure relief method of roadway driving along gob of small coal pillar influenced by dynamic pressure | |
| CN102844522B (en) | underground mining | |
| CN108661643A (en) | It a kind of coal working face end adopts return channel and cuts top release shield lane method | |
| CN108643910A (en) | A method of controlling caving for coal mine stope tight roof Advance presplitting | |
| CN103123247A (en) | Damping blasting method for steep dip small crossing angle layered surrounding rock small-distance tunnel excavation | |
| CN103244180B (en) | Gob-side entry driving surrounding rock control method using remaining small pillars | |
| CN104481539A (en) | Extruding blasting caving mining method for self-pulling slot | |
| CN101876520A (en) | Segment pre-blasting technology for steeply dipping hard coal seam roof | |
| CN102927866A (en) | Open-bench blasting method capable of controlling forward stroke of blasting muck pile | |
| CN106767213B (en) | A kind of Roof Control blasting method of soft broken top plate ore body back production | |
| LU500326B1 (en) | Method for extracting pressure relief gas through thick and hard roof rock stratum blasting permeability increase and directional long borehole interception | |
| CN106247876A (en) | High working face cuts greatly a blasting method for fully-mechanized mining working tight roof overhead caving | |
| CN102967191A (en) | Blasting method for treatment of gob | |
| CN111520183A (en) | Method for treating gas generated by mining, blasting, roof cutting, pressure relief and permeability improvement of coal seam group under thick-layer sandstone | |
| CN115012936B (en) | Pressure relief and danger relieving method for coal mine TBM during tunneling and coal penetration | |
| CN106643355B (en) | A kind of overhead caving method of the huge thick tight roof of deep coalmine | |
| CN108625855A (en) | Safe and efficient mining methods under a kind of obturation | |
| CN108590651B (en) | A kind of method of more drilling chamber recycling ore pillars | |
| CN212154765U (en) | Deep hole pre-splitting structure for fully mechanized mining face waste rock area | |
| CN104879128B (en) | Severe inclined thick coal seam coal winning technology based on the advanced pre- quick-fried reduction of top coal | |
| CN108661638B (en) | A kind of method of ring holes recycling ore pillar | |
| CN106884660A (en) | A kind of method that protection pillar base angle presplit blasting release controls roadway deformation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |