CN103089267A - Thin-ore-body shallow hole shrinkage method without sill pillar - Google Patents
Thin-ore-body shallow hole shrinkage method without sill pillar Download PDFInfo
- Publication number
- CN103089267A CN103089267A CN2013100224991A CN201310022499A CN103089267A CN 103089267 A CN103089267 A CN 103089267A CN 2013100224991 A CN2013100224991 A CN 2013100224991A CN 201310022499 A CN201310022499 A CN 201310022499A CN 103089267 A CN103089267 A CN 103089267A
- Authority
- CN
- China
- Prior art keywords
- ore
- engineering
- cutting
- mining
- stope
- 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.)
- Pending
Links
Images
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The invention relates to a thin-ore-body shallow hole shrinkage method without sill pillar. The thin-ore-body shallow hole shrinkage method comprises the engineering of accurate mining, cutting, mining and ore withdrawal. The method is characterized by comprising the following steps of: in the engineering of accurate mining, tunneling a core withdrawal roadway, a communicating channel of a raised shaft, the raised shaft and a communicating channel entering a stope to an ore body after a level haulage roadway is completed; in the engineering of cutting, tunneling a cutting level gallery along the trending direction of the ore body inside the ore body, opening two outer sides of the cutting level gallery to a boundary line of the ore body after the cutting level gallery is completed, and simultaneously carrying out coping treatment on the cutting level gallery so as to form an ore block bottom free surface; in the engineering of mining, drilling a hole with a shadow hole rock drilling machine after the engineering of cutting is completed, carrying out rock drilling blasting mining from bottom to top so as to form a stope working surface, carrying out coyote blasting work on a top pillar after shallow mining is completed, and then carrying out large ore drawing ore removal work and ore removal. The thin-ore-body shallow hole shrinkage method without sill pillar is simple, efficient and safe, and no sill pillar remains. The recycle of ore columns is increased, and the recovery ratio and utilization ratio of resources are improved.
Description
Technical field
The invention belongs to mining technology field, particularly a kind of lean ore body is without the foundation shallow hole shrinkage method.
Background technology
In the metal mining of down-hole, breasting method, room-and-pillar method, Caving Method with Large Space, shallow hole shrinkage method are very ripe, but for the exploitation less than the steeply inclined thin ore body of 4 meters wide, there is no so far a kind of efficient, safe mining methods.Many mines are given up such ore body and are not adopted, and this is not only the waste of mining engineering, especially the waste of resource.
And the mining development trend that structural parameters constantly increase more is not suitable for the exploitation of lean ore body.
For the exploitation of lean ore body, preferably adopt shallow hole shrinkage method.
For high-dipping ore block, from top to bottom, be divided into several stages by certain height, the horizontal plane between each stage just is called a level of production, usually designs the engineerings such as the crossdrift that is connected with well head, main haulage roadway in each level of production.For shallow hole shrinkage method, just between the level of two of up and down, therefore the level of the main haulage roadway of the top of a mineral building, call level to a mineral building (or nugget), and the level of haulage drift, be lower level below.
So-called crossdrift namely communicates with well head and perpendicular to the large tunnel of orebody trend, and it communicates with the transportation lane that is parallel to orebody trend, so that the ore of extraction is transported to well head by crossdrift.
Shallow hole shrinkage method is applicable to the exploitation of high-dipping ore block.Fig. 1 and Fig. 2 are existing shallow hole shrinkage method mining schematic diagrames.As shown in Figure 1, in a mineral building, the fore-set 7 of mineral building is used for supporting mineral building with studding 8, foundation, guarantees the safety of mineral building.In order to reclaim ore, must leave foundation, reclaim ore in order to carry out some engineerings of scraper tunnel 3, funnel 2, poly-mine 15 etc. in foundation; These engineerings of doing in foundation just are called bottom projects.
Fig. 1 Chuan Mai above the average tunnel 14, upper horizontal transport gallery 11 are to be a upper nugget service.
The concrete manufacturing process of common shallow hole shrinkage method is such:
Therefore existing shallow hole shrinkage method need to be done various bottom projects such as harrowing road, funnel (or moat ditch) usually, drop into a large amount of human and material resources and time.
Summary of the invention
The purpose of this invention is to provide a kind of lean ore body without the foundation shallow-hole shrinkage stoping method, the method post of not keeping on file does not need to carry out scraper tunnel and funnel aborning, and simple, efficient, safe lean ore body is without the foundation shallow hole shrinkage method.Increase the recovery of ore pillar, improved the rate of extraction and the utilization rate of resource.
The objective of the invention is to be achieved through the following technical solutions.
A kind of lean ore body of the present invention comprises and adopts accurate engineering, cutting engineering, mining engineering and ore removal engineering without the foundation shallow hole shrinkage method, it is characterized in that: comprise the following steps:
Describedly adopt accurate engineering:
Lower level at a mineral building, after level haulageway is completed, tunnel the forklift discharging tunnel every 5-8m to ore body, two studding positions, left and right enter the connecting taxiway of courtyard from level haulageway to mineral building simultaneously, after driving is interior to ore body, upwards drive courtyard, in courtyard on vertical direction every 4-6m, drive the connecting taxiway that enters stope to about courtyard, the connecting taxiway level that enters stope is drived 4-5m, surpasses the studding boundary line, when the connecting taxiway position of stope in mineral building, connecting taxiway cutter timely and stope is saturating, to form safe import and export;
Described cutting engineering:
Drive the cutting gallery along orebody trend in ore body, after the cutting gallery finishes, help out side to the ore body boundary line to cutting gallery two, to processings of bearing down on one of cutting gallery, form the scope of freedom, nugget bottom simultaneously, complete the cutting engineering, the formation stope;
Described mining engineering:
After the cutting engineering is completed, in mineral building, with shallow bore hole hammer drill cutter eye, carry out the driling explosion mining from bottom to top, form the stope scope of operation, adopt the stubble height and undertaken by 2-3m, the propelling of turning back from nugget two ends keeps studding guaranteeing stope safety during mining, when adopting the upper horizontal 5m-7m left and right of distance mineral building, stop mining, thereby stay the fore-set of 5m-7m, shallow adopt end after, fore-set is carried out the chamber blasting operation, with the fore-set breaking-down, afterwards, carry out the operation of large ore drawing ore removal.
Described ore removal engineering:
Ore under adopting is directly fallen lower horizontal cutting part, utilizes the trackless equipments such as electric LHD or diesel LHD to carry out loading for ore, transports stope to haulage way by discharging tunnel, with the forklift mine car of packing into, carries out ore output.
Compared with prior art,
1) the present invention does not establish the bottom projects constructions such as end ore pillar, scraper tunnel, funnel and poly-mine, directly cuts from roadway floor, and bottom-up mining is directly cut in lower level, has increased the recovery of ore pillar, has improved the rate of extraction, the utilization rate of resource;
2) transport away with trackless equipments such as forklifts, improved mechanization degree, improved labor productivity, reduce labour intensity;
3) cancelled bottom projects, technique is simple, easy construction.
Description of drawings
Fig. 1 is that prior art shallow hole shrinkage method mineral building is along the orebody trend section.
Fig. 2 is the A-A sectional drawing sectional drawing of Fig. 1.
Fig. 3 be the present invention without foundation shallow hole shrinkage method mineral building along the orebody trend section.
Fig. 4 is the A-A sectional drawing of Fig. 3 of the present invention.
Fig. 5 is the present invention 1 B-B sectional drawing, namely descends horizontal sectional drawing.
In Fig. 1, Fig. 21 is the stage haulage way, and 2 is the forklift discharging tunnel, and 3 are the cutting gallery, 4 are the ore under adopting, and 5 is the stope scope of operation, and 6 are body to be dug up mine, 7 is fore-set, and 8 is studding, and 9 for driving courtyard, 10 for entering the connecting taxiway of stope, and 11 is the connecting taxiway of courtyard, and 12 is the ore body boundary line, 13 is lower horizontal Chuan Mai tunnel, 14 is upper horizontal crosscut, and 15 are poly-mine, and 16 is ore limits.
2-1 in Fig. 3,4 and 5 is the stage haulage way, 2-4 is the ore under adopting, and 2-5 is the stope scope of operation, and 2-6 is body to be dug up mine, 2-7 is fore-set, 2-8 is studding, and 2-9 is for driving courtyard, and 2-10 is the connecting taxiway that enters stope, 2-16 is the ore body boundary line, 2-17 is the cutting gallery, and 2-18 is discharging tunnel, and 2-19 is for entering the courtyard connecting taxiway.
The specific embodiment
Below in conjunction with description of drawings the specific embodiment of the present invention.
Comprise and adopt accurate engineering, cutting engineering, mining engineering and ore removal engineering, it is characterized in that: comprise the following steps:
Describedly adopt accurate engineering:
as Fig. 3, Fig. 4, Fig. 5, in lower level, lower level at a mineral building, after level haulageway is completed, tunnel forklift discharging tunnel 2-18 every 5-8m to ore body, two studding 2-8 positions, left and right enter the connecting taxiway 2-19 of courtyard from level haulageway 2-1 to mineral building simultaneously, after driving is interior to ore body, upwards drive courtyard 2-9, in courtyard 2-9 on vertical direction every 4-6m, drive the connecting taxiway 2-10 that enters stope to about courtyard 2-9, the connecting taxiway 2-10 level that enters stope is drived 4-5m, over studding 8 boundary lines, when the connecting taxiway 2-10 position of stope in mineral building, connecting taxiway 2-10 cutter timely and stope is saturating, to form safe import and export,
Described cutting engineering:
Show as Fig. 5, drive cutting gallery 2-17 along orebody trend in ore body, after cutting gallery 2-17 finishes, help out side to ore body boundary line 2-16 to cutting gallery 2-17 two, simultaneously to cutting gallery 2-17 processings of bearing down on one, form the scope of freedom bottom nugget, complete the cutting engineering, form stope;
Described mining engineering:
After the cutting engineering is completed, in mineral building, with shallow bore hole hammer drill cutter eye, carry out the driling explosion mining from bottom to top, form stope scope of operation 2-5, adopt the stubble height and undertaken by 2m-3m, the propelling of turning back from nugget two ends, keep studding 2-8 during mining guaranteeing stope safety, in mining process, the supplies such as personnel's material geomantic omen all enter stope by connecting taxiway 2-10, the courtyard 2-9 of stope, connecting taxiway 10 in courtyard; When adopting the upper horizontal 5m-7 m of distance mineral building, stop mining, thereby stay the fore-set 2-7 of about 6m, shallow adopt end after, fore-set 5m-7m is carried out the chamber blasting operation, with the fore-set breaking-down, carry out afterwards the operation of large ore drawing ore removal.
Described ore removal engineering:
Ore under adopting is directly fallen lower horizontal cutting part, utilizes the trackless equipments such as electric LHD or diesel LHD to carry out loading for ore, transports stope to haulage way 2-1 by discharging tunnel 2-18.
In figure, 2-4 is that ore and 2-6 under adopting is body to be dug up mine.
Claims (1)
1. a lean ore body without the foundation shallow hole shrinkage method, comprises and adopts accurate engineering, cutting engineering, mining engineering and ore removal engineering, it is characterized in that: comprise the following steps:
Describedly adopt accurate engineering:
Lower level at a mineral building, after level haulageway is completed, tunnel the forklift discharging tunnel every 5-8m to ore body, two studding positions, left and right enter the connecting taxiway of courtyard from level haulageway to mineral building simultaneously, after driving is interior to ore body, upwards drive courtyard, in courtyard on vertical direction every 4-6m, drive the connecting taxiway that enters stope to about courtyard, the connecting taxiway level that enters stope is drived 4-5m, surpasses the studding boundary line, when the connecting taxiway position of stope in mineral building, connecting taxiway cutter timely and stope is saturating, to form safe import and export;
Described cutting engineering:
Drive the cutting gallery along orebody trend in ore body, after the cutting gallery finishes, help out side to the ore body boundary line to cutting gallery two, to processings of bearing down on one of cutting gallery, form the scope of freedom, nugget bottom simultaneously, complete the cutting engineering, the formation stope;
Described mining engineering:
After the cutting engineering is completed, in mineral building, with shallow bore hole hammer drill cutter eye, carry out the driling explosion mining from bottom to top, form the stope scope of operation, adopt the stubble height and undertaken by 2-3m, the propelling of turning back from nugget two ends keeps studding to guarantee stope safety, when adopting the upper horizontal 5m-7m of distance mineral building during mining, stop mining, thereby stay the fore-set of 5m-7 m, shallow adopt end after, fore-set is carried out the chamber blasting operation, with the fore-set breaking-down, afterwards, carry out the operation of large ore drawing ore removal;
Described ore removal engineering:
Ore under adopting is directly fallen lower horizontal cutting part, utilizes electric LHD or diesel LHD trackless equipment to carry out loading for ore, transports stope to haulage way by discharging tunnel, with the forklift mine car of packing into, carries out ore output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100224991A CN103089267A (en) | 2013-01-22 | 2013-01-22 | Thin-ore-body shallow hole shrinkage method without sill pillar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100224991A CN103089267A (en) | 2013-01-22 | 2013-01-22 | Thin-ore-body shallow hole shrinkage method without sill pillar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103089267A true CN103089267A (en) | 2013-05-08 |
Family
ID=48202336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100224991A Pending CN103089267A (en) | 2013-01-22 | 2013-01-22 | Thin-ore-body shallow hole shrinkage method without sill pillar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103089267A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763423A (en) * | 2015-03-04 | 2015-07-08 | 鞍钢集团矿业公司 | Technology for mining powder ore by inverse well rock drilling |
| CN104989404A (en) * | 2015-06-05 | 2015-10-21 | 中南大学 | Diagonal ore-break-down medium-length hole mining method for steeply-inclined thin vein ore body |
| CN105041317A (en) * | 2015-07-03 | 2015-11-11 | 中国瑞林工程技术有限公司 | Medium-length hole shrinkage stoping method |
| CN105386766A (en) * | 2015-12-31 | 2016-03-09 | 西安建筑科技大学 | Reinforcement presplitting support method for extremely fractured hanging side roof mined by shallow hole ore leaving method |
| CN107687340A (en) * | 2017-10-18 | 2018-02-13 | 江西大吉山钨业有限公司 | A kind of stoping method of difficult mining blocks |
| CN107829743A (en) * | 2017-11-27 | 2018-03-23 | 西北矿冶研究院 | Improved mining method for steeply inclined thin veins |
| 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 |
| CN108590651A (en) * | 2018-05-09 | 2018-09-28 | 中冶北方（大连）工程技术有限公司 | A kind of method of more drilling chamber recycling ore pillars |
| CN109505645A (en) * | 2019-01-14 | 2019-03-22 | 浏阳市鑫磊矿业开发有限公司 | A kind of method for arranging of shallow hole shrinkage method bottom structure |
| CN113446006A (en) * | 2021-07-27 | 2021-09-28 | 赣州有色冶金研究所有限公司 | Open stope mining method for steeply inclined vein-shaped ore body |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1162690A (en) * | 1996-04-12 | 1997-10-22 | 崔正洙 | Underground mining process |
| RU2235206C1 (en) * | 2002-12-17 | 2004-08-27 | ОАО "Научно-исследовательский институт по проблемам КМА им. Л.Д. Шевякова" | Method for developing deep-seated mineral deposits |
| CN101967973A (en) * | 2009-07-28 | 2011-02-09 | 鞍钢集团矿业公司 | Open stope-caving combined mining method |
-
2013
- 2013-01-22 CN CN2013100224991A patent/CN103089267A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1162690A (en) * | 1996-04-12 | 1997-10-22 | 崔正洙 | Underground mining process |
| RU2235206C1 (en) * | 2002-12-17 | 2004-08-27 | ОАО "Научно-исследовательский институт по проблемам КМА им. Л.Д. Шевякова" | Method for developing deep-seated mineral deposits |
| CN101967973A (en) * | 2009-07-28 | 2011-02-09 | 鞍钢集团矿业公司 | Open stope-caving combined mining method |
Non-Patent Citations (1)
| Title |
|---|
| 李波等: "无底柱浅孔留矿法在小型金属矿山开采中的应用", 《现代矿业》, no. 10, 31 October 2011 (2011-10-31) * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763423A (en) * | 2015-03-04 | 2015-07-08 | 鞍钢集团矿业公司 | Technology for mining powder ore by inverse well rock drilling |
| CN104763423B (en) * | 2015-03-04 | 2017-01-25 | 鞍钢集团矿业公司有限公司 | Technology for mining powder ore by inverse well rock drilling |
| CN104989404B (en) * | 2015-06-05 | 2018-06-05 | 中南大学 | It is pseudo- in Steeply dipping narrow deposits arteries and veins to tilt ore deposit Medium-long hole mining method |
| CN104989404A (en) * | 2015-06-05 | 2015-10-21 | 中南大学 | Diagonal ore-break-down medium-length hole mining method for steeply-inclined thin vein ore body |
| CN105041317A (en) * | 2015-07-03 | 2015-11-11 | 中国瑞林工程技术有限公司 | Medium-length hole shrinkage stoping method |
| CN105386766A (en) * | 2015-12-31 | 2016-03-09 | 西安建筑科技大学 | Reinforcement presplitting support method for extremely fractured hanging side roof mined by shallow hole ore leaving method |
| CN105386766B (en) * | 2015-12-31 | 2017-09-05 | 西安建筑科技大学 | The reinforcement presplitting method for protecting support of the extremely broken upper disk top plate of shallow hole shrinkage method exploitation |
| CN107687340A (en) * | 2017-10-18 | 2018-02-13 | 江西大吉山钨业有限公司 | A kind of stoping method of difficult mining blocks |
| CN107829743A (en) * | 2017-11-27 | 2018-03-23 | 西北矿冶研究院 | Improved mining method for steeply inclined thin veins |
| CN107829743B (en) * | 2017-11-27 | 2019-09-20 | 西北矿冶研究院 | Improved mining method for steeply inclined thin veins |
| 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 |
| CN108590651A (en) * | 2018-05-09 | 2018-09-28 | 中冶北方（大连）工程技术有限公司 | A kind of method of more drilling chamber recycling ore pillars |
| CN109505645A (en) * | 2019-01-14 | 2019-03-22 | 浏阳市鑫磊矿业开发有限公司 | A kind of method for arranging of shallow hole shrinkage method bottom structure |
| CN113446006A (en) * | 2021-07-27 | 2021-09-28 | 赣州有色冶金研究所有限公司 | Open stope mining method for steeply inclined vein-shaped ore body |
| CN113446006B (en) * | 2021-07-27 | 2023-08-18 | 赣州有色冶金研究所有限公司 | Open stope mining method for steep vein-like ore body |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103089267A (en) | Thin-ore-body shallow hole shrinkage method without sill pillar | |
| CN107339104B (en) | Security personnel's curtain wall recovery method | |
| CN108547618A (en) | A kind of two steps mining methods leave the recovery process of studding | |
| CN104153780B (en) | Lean ore body sublevel caving stays ore deposit continuous stoping technique | |
| CN104481543B (en) | Stage shrink caved stopes | |
| CN111828007B (en) | Stoping method for residual studs in underground mine goaf | |
| CN104989404A (en) | Diagonal ore-break-down medium-length hole mining method for steeply-inclined thin vein ore body | |
| CN106223956B (en) | Medium-length hole courtyard mining afterwards filling method | |
| CN102953732A (en) | Room-and-pillar major-diameter longhole inverted-step-like segmented lateral caving subsequent filling mining method | |
| CN104481539A (en) | Extruding blasting caving mining method for self-pulling slot | |
| CN107355226A (en) | TBM construction tunnel fault belts hole section processing structure | |
| CN107687341A (en) | A kind of Upward slicing point pillar filling mining method of extremely thick big unstable ore body | |
| CN113738367B (en) | Sublevel caving downward filling mining method for complex broken and steeply inclined thin vein | |
| CN111706328B (en) | Mining method for treating goaf left pillars by filling method | |
| CN108005656A (en) | Mining method of ultrathin steeply inclined ore body | |
| CN104358573A (en) | Block open-stope and block caving combined mining method of thick orebody | |
| CN103147759B (en) | Prospecting and short-hole shrinkage mining method of small inclined ore body | |
| US11976557B2 (en) | Coal bump control method for sectional hydraulic fracturing regions of near vertical ultra thick coal seam | |
| CN113847029B (en) | Surrounding column extraction method for underground mine high and large point column | |
| CN106640080A (en) | Deep part high-stress environment self-stabilizing arched stope arrangement mining method | |
| CN103726848A (en) | Mining method applicable to recovery of gentle-inclined/inclined thin ore body | |
| CN105240017B (en) | A kind of very thin jade nugget shape cutting pushing tow ore removal mining methods of bilayer | |
| CN103982185B (en) | Upright opening and lateral aperture work in coordination with the mechanization sublevel cut and fill method of back production | |
| CN207080226U (en) | A kind of steeply inclined thin is to the flat ore removal structure of middle strong vein | |
| CN101737051A (en) | Covering layer forming method of blind ore bodies |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130508 |