CN104314567B - A kind of mining methods of middle thickness orebody - Google Patents
A kind of mining methods of middle thickness orebody Download PDFInfo
- Publication number
- CN104314567B CN104314567B CN201410496705.7A CN201410496705A CN104314567B CN 104314567 B CN104314567 B CN 104314567B CN 201410496705 A CN201410496705 A CN 201410496705A CN 104314567 B CN104314567 B CN 104314567B
- Authority
- CN
- China
- Prior art keywords
- ore
- ore body
- main body
- middle thickness
- mining methods
- 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.)
- Active
Links
- 238000005065 mining Methods 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 238000005520 cutting process Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 230000005641 tunneling Effects 0.000 claims description 5
- 238000010790 dilution Methods 0.000 abstract description 3
- 239000011435 rock Substances 0.000 abstract description 3
- 210000001367 Arteries Anatomy 0.000 abstract description 2
- 210000003462 Veins Anatomy 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 238000009826 distribution Methods 0.000 abstract description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 2
- 239000011707 mineral Substances 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract description 2
- 238000009423 ventilation Methods 0.000 description 2
- 210000000481 Breast Anatomy 0.000 description 1
- 230000001186 cumulative Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
Abstract
The invention discloses the mining methods of a kind of middle thickness orebody, comprise the following steps: A, mine locating；B, ore body are adopted and are cut；C, ore body back production.The mining methods of the middle thickness orebody of the present invention, predetermined absolute altitude is perpendicular to the prospecting drift, direction of ore body principal length until puncturing whole ore body, under the situation that arteries and veins discloses ore body and country rock distribution is worn in mine locating, making by ore body being adopted cut, utilizing shallow hole shrinkage method ore body main body to be caunched back production.Prospecting drift is tunneled in the mine locating of the present invention in ore body, high to the controlling extent of ore body, can be effectively improved ore recovery ratio during mining, reduce ore loss ratio and ore dilution rate, improve the utilization rate of mineral resources, provide resource guarantee for Sustainable Development of Mine.What ore body was carried out by the present invention adopt, and cut is made, good stability, safe and reliable, can be effectively improved mining efficiency.Meanwhile, the present invention uses shallow hole shrinkage method to caunch ore body main body back production, and simple in construction, convenient management, to adopt quasi-quantities little.
Description
Technical field
The invention belongs to mining technique field, be specifically related to the mining methods of a kind of middle thickness orebody.
Background technology
Caved stopes and on to laneway type cemented filling method be the most frequently used mining methods.But for the middle thickness orebody away from mother-lode, owing to vertical height is little, horizontal transport distance is oversize, stowing gradient is big, when slip passes through, pipeline pressure reduction is little, and resistance loss is big, and mortar flow velocity is low, according to the method for mining by the way of filling, stowing gradient up to, considerably beyond stowing gradient normal value, is so easy to plugging, and neighbouring there is no again ore pass draining, have a strong impact on mining production；According to caved stopes, dilution is big, and extraction grade is low.
Summary of the invention
The invention aims to solve technical problem of the prior art, it is provided that a kind of good stability, the mining methods of the middle thickness orebody that safe and reliable, ore removal efficiency is high.
In order to achieve the above object, the present invention by the following technical solutions: the mining methods of a kind of middle thickness orebody, comprise the following steps:
A, mine locating: be perpendicular to the exploration line of the direction arrangement interval certain distance of ore body principal length on predetermined absolute altitude, along exploration line driving prospecting drift, until puncturing whole ore body；
B, ore body are adopted and are cut:
A, on the predetermined absolute altitude described in step A, drive up western combined shaft and east combined shaft respectively at the two ends differences exploration line of ore body main body, as ventilating and pedestrian and the upper and lower passage of material；
In b, the ore body that the lower wall of ore body main body is narrower on the predetermined absolute altitude described in step A, along orebody trend driving for verifying this ore body and the lower wall connecting taxiway as ore body body ore removal connecting taxiway further；
C, in the lower wall connecting taxiway described in step b from ore body body end, wear as ore removal is short through the tunnel of ore body main body at interval of certain distance driving；
D, in ore body main body, moving towards to tunnel width along ore body main body is the flat cutting tunnel of ore body body thickness, forms the flat cutting to ore body main body, the most through in making that the ore removal described in step c is short and being through ore body main body；
E, on the predetermined absolute altitude described in step A, from western combined shaft and east combined shaft shaft bottom, along ore body main body trend at interval of certain altitude digging laneway as stope connecting taxiway；
C, ore body back production: on the predetermined absolute altitude described in step A, move towards to use shallow hole shrinkage method to caunch ore body main body along ore body main body.
Further, described step a Chinese and Western combined shaft and east combined shaft be cross dimensions be the courtyard of 2 × 2m.
Further, in described step b, lower wall connecting taxiway cross dimensions is 3 × 3m.
Further, in described step b, lower wall connecting taxiway uses tunneling boring bolting with wire mesh.
Further, in described tunneling boring anchor net, anchor pole net degree is 1.2 × 1.2m.
Further, in described step c the short cross dimensions worn of ore removal be 2.5 × 2.5m and adjacent ore removal is short wear between distance be 5m.
Further, in described step d, the height in flat cutting tunnel is 3m.
Further, in described step e, the cross dimensions of stope connecting taxiway is 2.5 × 2.5m and height between adjacent stope connecting taxiway is 6m.
Further, the height that caunches in described step C is 2m.
Hinge structure of the present invention has the advantages that the mining methods of the middle thickness orebody of the present invention, predetermined absolute altitude is perpendicular to the prospecting drift, direction of ore body principal length until puncturing whole ore body, under the situation that arteries and veins discloses ore body and country rock distribution is worn in mine locating, making by ore body being adopted cut, utilizing shallow hole shrinkage method ore body main body to be caunched back production.Prospecting drift is tunneled in the mine locating of the present invention in ore body, high to the controlling extent of ore body, can be effectively improved ore recovery ratio during mining, reduce ore loss ratio and ore dilution rate, improve the utilization rate of mineral resources, provide resource guarantee for Sustainable Development of Mine.What ore body was carried out by the present invention adopt, and cut is made, good stability, safe and reliable, can be effectively improved mining efficiency.Meanwhile, the present invention uses shallow hole shrinkage method to caunch ore body main body back production, and simple in construction, convenient management, to adopt quasi-quantities little.The present invention has good use value and application prospect.
Accompanying drawing explanation
Fig. 1 is middle thickness orebody of the present invention horizontal work arrangement plane graph；
Fig. 2 is that middle thickness orebody of the present invention indulges projection.
Reference implication is as follows: 1, prospecting drift；2, western combined shaft；3, east combined shaft；4, lower wall connecting taxiway；5, ore removal is short wears；6, stope connecting taxiway.
Detailed description of the invention
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1:
As shown in Figure 1-2, Baiyin Nonferrous Metal Group Co., Ltd. little Tie Shan ore deposit is perpendicular to exploration line 1950 line of direction arrangement interval certain distance of 2# ore body length, 2000 lines, 2050 lines in height above sea level line 1484 level (seven stage casings), along exploration line driving prospecting drift 1, until puncturing whole 1# ore body and 2# ore body；Courtyard that specification is 2 × 2m is upwards dug to height above sea level line 1544 level (six stage casings), as ventilating, pedestrian and the upper and lower passage of material, the most western combined shaft 2 near height above sea level line 1484 level (seven stage casings), 2050 line prospecting drifts 1；Near height above sea level line 1484 level, 1950 line prospecting drifts 1, one specification of driving is that the courtyard of 2 × 2m is to height above sea level line 1544 level (six stage casings), as the passage that ventilation, pedestrian and material are upper and lower, the most eastern combined shaft 3；Owing to western combined shaft 2 and east combined shaft 3 are stope ventilation, operating personnel's discrepancy, unique passage that stope material therefor is upper and lower, its position should be to greatest extent near 1# ore body and 2# ore body, to reduce the length of stope connecting taxiway 6, thus save the input of engineering, simultaneously can not from 1# ore body and 2# ore body too close to, it is to avoid local location well is in ore body.
In the ore body that the lower wall of height above sea level line 1484 horizontal 2# ore body is narrower, it is the tunnel of 3 × 3m along orebody trend one specification of driving, on the one hand this ore body is verified further, on the other hand as ore removal connecting taxiway, it is referred to as lower wall connecting taxiway 4, lower wall connecting taxiway 4 is permanent works, it is desirable to tunneling boring bolting with wire mesh, and anchor pole net degree is 1.2 × 1.2m.In lower wall connecting taxiway 4 from 2# ore body end, it is that the tunnel of 2.5 × 2.5m is through 1# ore body and 2# ore body at interval of 5 meters of driving specifications, referred to as ore removal is short wears 5, totally 13 ore removals are short wears 5, the wherein 2000 line prospecting drifts 1 utilizing height above sea level line 1484 level, actual 12 ore removals of driving are short wears 5, and quantities adds up 270 meters/1567.69m3, the wherein 90 meters/522.56m in barren rock tunnel3, the 180 meters/1045.13m in Ore tunnel3。
In 1# ore body and 2# ore body, being 3 meters along orebody trend driving height, width is the tunnel of orebody thickness, makes that ore removal is short to be worn 5 the most through in 1# ore body and 2# ore body, is formed 1# ore body and the flat cutting of 2# ore body.From the shaft bottom of the height above sea level line 1484 western combined shaft of level 2 and east combined shaft 3, to the ore body direction of 1# ore body and 2# ore body, the height at interval of 6m tunnels 2.5 × 2.5m stope connecting taxiway 6, has 9 stope connecting taxiways 6, cumulative length 286 meters.In height above sea level line 1484 level, along 1# ore body and 2# orebody trend, using shallow hole shrinkage method to caunch ore body, the height that caunches is 2 meters.
Above-described embodiment is the present invention preferably embodiment; but embodiments of the present invention are not limited by above-described embodiment; other without departing from the change made under spirit of the invention and principle, modify, substitute, combine, simplify; all should be the substitute mode of equivalence, within all should being included in protection scope of the present invention.
Claims (9)
1. the mining methods of a middle thickness orebody, it is characterised in that: comprise the following steps:
A, mine locating: be perpendicular to the exploration line of the direction arrangement interval certain distance of ore body principal length on predetermined absolute altitude, along exploration line driving prospecting drift, until puncturing whole ore body；
B, ore body are adopted and are cut:
A, on the predetermined absolute altitude described in step A, drive up western combined shaft and east combined shaft respectively at the two ends differences exploration line of ore body main body, as ventilating and pedestrian and the upper and lower passage of material；
In b, the ore body that the lower wall of ore body main body is narrower on the predetermined absolute altitude described in step A, along orebody trend driving for verifying this ore body and the lower wall connecting taxiway as ore body body ore removal connecting taxiway further；
C, in the lower wall connecting taxiway described in step b from ore body body end, wear as ore removal is short through the tunnel of ore body main body at interval of certain distance driving；
D, in ore body main body, moving towards to tunnel width along ore body main body is the flat cutting tunnel of ore body body thickness, forms the flat cutting to ore body main body, the most through in making that the ore removal described in step c is short and being through ore body main body；
E, on the predetermined absolute altitude described in step A, from western combined shaft and east combined shaft shaft bottom, along ore body main body trend at interval of certain altitude digging laneway as stope connecting taxiway；
C, ore body back production: on the predetermined absolute altitude described in step A, move towards to use shallow hole shrinkage method to caunch ore body main body along ore body main body.
The mining methods of a kind of middle thickness orebody the most according to claim 1, it is characterised in that: described step a Chinese and Western combined shaft and east combined shaft be cross dimensions be the courtyard of 2m × 2m.
The mining methods of a kind of middle thickness orebody the most according to claim 1, it is characterised in that: in described step b, lower wall connecting taxiway cross dimensions is 3m × 3m.
The mining methods of a kind of middle thickness orebody the most according to claim 1, it is characterised in that: in described step b, lower wall connecting taxiway uses tunneling boring bolting with wire mesh.
The mining methods of a kind of middle thickness orebody the most according to claim 4, it is characterised in that: in described tunneling boring anchor net, anchor pole net degree is 1.2m × 1.2m.
The mining methods of a kind of middle thickness orebody the most according to claim 1, it is characterised in that: in described step c the short cross dimensions worn of ore removal be 2.5m × 2.5m and adjacent ore removal is short wear between distance be 5m.
The mining methods of a kind of middle thickness orebody the most according to claim 1, it is characterised in that: in described step d, the height in flat cutting tunnel is 3m.
The mining methods of a kind of middle thickness orebody the most according to claim 1, it is characterised in that: in described step e, the cross dimensions of stope connecting taxiway is 2.5m × 2.5m and height between adjacent stope connecting taxiway is 6m.
The mining methods of a kind of middle thickness orebody the most according to claim 1, it is characterised in that: the height that caunches in described step C is 2m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410496705.7A CN104314567B (en) | 2014-09-25 | A kind of mining methods of middle thickness orebody |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410496705.7A CN104314567B (en) | 2014-09-25 | A kind of mining methods of middle thickness orebody |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104314567A CN104314567A (en) | 2015-01-28 |
| CN104314567B true CN104314567B (en) | 2017-01-04 |
Family
ID=
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967973A (en) * | 2009-07-28 | 2011-02-09 | 鞍钢集团矿业公司 | Open stope-caving combined mining method |
| CN102418526A (en) * | 2011-12-02 | 2012-04-18 | 瓮福（集团）有限责任公司 | High-sublevel subdivision mining method of moderately thick heavy-pitch waste-rock-containing interlayer phosphate orebody along strike |
| CN102606159A (en) * | 2012-03-26 | 2012-07-25 | 中南大学 | Medium thick heavy-pitch crushed ore body frame type artificial top downward segmenting cemented filling method |
| CN103410514A (en) * | 2013-07-31 | 2013-11-27 | 鞍钢集团矿业公司 | Pressure relief and coal extraction method for deeply-compressed ore body |
| CN103437769A (en) * | 2013-09-06 | 2013-12-11 | 中南大学 | Medium-length hole ore breaking synergistic anchor cable support subsequent filling mining method of combined reconstructed structural body |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967973A (en) * | 2009-07-28 | 2011-02-09 | 鞍钢集团矿业公司 | Open stope-caving combined mining method |
| CN102418526A (en) * | 2011-12-02 | 2012-04-18 | 瓮福（集团）有限责任公司 | High-sublevel subdivision mining method of moderately thick heavy-pitch waste-rock-containing interlayer phosphate orebody along strike |
| CN102606159A (en) * | 2012-03-26 | 2012-07-25 | 中南大学 | Medium thick heavy-pitch crushed ore body frame type artificial top downward segmenting cemented filling method |
| CN103410514A (en) * | 2013-07-31 | 2013-11-27 | 鞍钢集团矿业公司 | Pressure relief and coal extraction method for deeply-compressed ore body |
| CN103437769A (en) * | 2013-09-06 | 2013-12-11 | 中南大学 | Medium-length hole ore breaking synergistic anchor cable support subsequent filling mining method of combined reconstructed structural body |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105221179B (en) | A kind of highly gassy mine Y type method of ventilations | |
| CN103557002B (en) | A kind of mechanized concentrates drop shaft filling-up method | |
| CN103089266B (en) | Drift-pillar-free sublevel barnyard caving mining method of open pit transferred underground transitional period | |
| CN103742148B (en) | The soft coal-mining method covering the descending waste filling of supporting of a kind of half-edge coal seam | |
| CN104847355B (en) | Continuous mining method for hollow ground of medium-thickness steeply inclined ore body | |
| CN103615250B (en) | The full Open stope mining afterwards filling of itemize studding works in coordination with mining codes | |
| CN104100270B (en) | A kind of low-angle dip mineral ore Truckless mining method | |
| US20180195386A1 (en) | Parallel digging, mining and filling operation coal mining method for controlling overlaying strata fracture and surface subsidence | |
| CN103953345B (en) | A kind of small section entry retaining along gob side exploitation method | |
| CN103628878B (en) | Under breaking surrounding rock ore body to route layering without segmentation tunnel filling mining methods | |
| CN102392642A (en) | Method for arranging roadways on coal-pillar-free stope | |
| AU2013354613A1 (en) | Method of local filling to control surface subsidence in worked-out area | |
| CN107725052B (en) | One kind, which is adopted, stays integration exploitation gob side entry top plate constant-resistance anchor body beam method for protecting support | |
| CN105089668A (en) | Longwall working face coal-pillar-free mining method | |
| CN108756882A (en) | A kind of district sublevel entry adopts recovery method without the short length of filling of driving formula | |
| CN104632220A (en) | Mining method with adjustable and controllable structure size of gentle dip medium-thickness ore body strip column reconstructed stope | |
| CN102587960A (en) | Arrangement method of high gas coal seam extraction working face roadway | |
| CN102418525B (en) | Soft coal seam long-wall high-mining-height comprehensive mechanized coal mining end mining method | |
| CN109869150A (en) | A kind of mine resources are segmented the full office of adopting and fill recovery method | |
| CN104500070A (en) | Continuous coal mining machine paste filling mining method | |
| CN103557001B (en) | A kind of low section high oper cylinler shrink afterwards filling mining method | |
| CN104153807B (en) | A kind of placement method of thick seam slicing system Coal Face Passing Through lower leaf old working | |
| CN109915197A (en) | A kind of method that rock gangway km directional long borehole substitution middle part bottom pumping rock gangway is taken out at bottom | |
| CN106640080A (en) | Deep part high-stress environment self-stabilizing arched stope arrangement mining method | |
| CN104343453B (en) | Thick mineral deposit filling mining method in a kind of low-angle dip |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |