CN106121653B - One kind closing hole surface mine ore stoping method - Google Patents
One kind closing hole surface mine ore stoping method Download PDFInfo
- Publication number
- CN106121653B CN106121653B CN201610593579.6A CN201610593579A CN106121653B CN 106121653 B CN106121653 B CN 106121653B CN 201610593579 A CN201610593579 A CN 201610593579A CN 106121653 B CN106121653 B CN 106121653B
- Authority
- CN
- China
- Prior art keywords
- ore
- hole
- surface mine
- back production
- tunnel
- 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
- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000004519 manufacturing process Methods 0.000 claims abstract description 58
- 238000005474 detonation Methods 0.000 claims abstract description 30
- 238000010276 construction Methods 0.000 claims abstract description 15
- 238000010304 firing Methods 0.000 claims abstract description 6
- 239000002360 explosive Substances 0.000 claims description 17
- 230000004888 barrier function Effects 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000010009 beating Methods 0.000 claims 1
- 238000001727 in vivo Methods 0.000 claims 1
- 238000005065 mining Methods 0.000 abstract description 12
- 238000000605 extraction Methods 0.000 abstract description 2
- 238000004904 shortening Methods 0.000 abstract 1
- 238000004880 explosion Methods 0.000 description 16
- 238000005553 drilling Methods 0.000 description 13
- 239000011435 rock Substances 0.000 description 12
- 210000001367 artery Anatomy 0.000 description 9
- 238000005422 blasting Methods 0.000 description 9
- 210000003462 vein Anatomy 0.000 description 9
- 241000209202 Bromus secalinus Species 0.000 description 6
- 238000007599 discharging Methods 0.000 description 6
- 241000237509 Patinopecten sp. Species 0.000 description 5
- 235000020637 scallop Nutrition 0.000 description 5
- 239000000843 powder Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/26—Methods of surface mining; Layouts therefor
- E21C41/30—Methods of surface mining; Layouts therefor for ores, e.g. mining placers
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The present invention discloses one kind and closes hole surface mine ore stoping method, is related to surface mine technical field of ore extraction, for shortening mining period, improves production efficiency and invents.One kind closing hole surface mine ore stoping method, comprising: according to can the occurrence condition of production ore determine corresponding stoping method；According to the stoping method, back production construction is carried out；According to scheduled firing order to it is described close hole surface mine can the ore of back production integrally carries out regional or disposable Delay between holes interval and detonates；Ore removal is carried out to the ore through regional or disposable Delay between holes interval detonation institute's avalanche.The present invention is suitable for closing the back production of hole surface mine ore.
Description
Technical field
The present invention relates to surface mine technical field of ore extraction more particularly to one kind to close hole surface mine ore back production side
Method.
Background technique
Closed or the neighbouring Metal Open mountain closed, the length of service all in 15 years or more or longer time,
At the beginning of it is exploited, since country's mining, ore dressing overall technology level fall behind, equipment is equipped with low SI, and institutional factor etc. is multi-party
The restriction of the factor in face, the design of mine overall plan and gradually implement just that inadequate natural endowment, result have just been formed at it at layout
It is more or less in front of closing in mining process and has discarded a part of ore.The development of technology, resource it is in short supply, price it is soaring,
The development and utilization once again of this part ore, just for urgent pendulum in face of enterprise, enterprise is limited by the influence of various factors, for example,
Mining right boundary of a piece of land range, comprehensive economic index etc. can not be expanded side by original method on the basis of original is dug up mine and be given birth to
Produce, but cannot ignore what this part ore was abandoned, if these resources without development and utilization, by with the closing of stope,
Backfill, be embedded in underground forever, make enterprise and country simultaneously sustain a loss, show four aspect, the waste of national resources and
It is lost, enterprise shortens the length of service, and country and enterprise have been subject to huge economic loss, and social benefit is damaged.
Outdoor metal mine closes remaining often corner mine or previous poor value when hole, and having now can
Value is adopted, but the boundary in pit has been formed, have arrived at boundary in horizontal direction, to deep mining in vertical direction
Multiple steps, remaining mine depend on side slope, and carrying out back production to remaining mine is a great project.
Immediate scheme is that the back production of the remaining mine of progress needs Expanding decompression boundary, increases rock-peeling quantity, needs to increase and open
Open up engineering, period length, low efficiency.Or regional back production is carried out repeatedly, the same period is long, low efficiency.
Summary of the invention
The present invention provide a kind of mining period it is short, it is high production efficiency close hole surface mine ore stoping method.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that
One kind closing hole surface mine ore stoping method, comprising:
According to can the occurrence condition of production ore determine corresponding stoping method；
According to the stoping method, back production construction is carried out；
According to scheduled firing order to it is described close hole surface mine can back production ore integrally carries out it is regional or once
Property Delay between holes interval detonation；
Ore removal is carried out to the ore through the detonation institute's avalanche of disposable Delay between holes interval.
Wherein, according to the stoping method, carrying out back production construction includes:
Using existing security platform and/or cleaning platform blasthole can be being opened up on production ore.
Optionally, according to the stoping method, carrying out back production construction includes:
When ore horizontal depth only has within 10 to 20 meters, according to the payable grade boundary that geologic report is drawn a circle to approve, pacifying
Full platform and clean direct rock drilling on platform, blast hole depth to ore can adopt boundary, blasthole angle be on to inclination, level,
Horizontal tilt is lower to vertical direction；Using digital electric detonator, explosive can carry out within the scope of the ore of back production it is regional or
Disposable filling, preferably on-site mixed explosive.
Optionally, according to the stoping method, carrying out back production construction includes:
When the slanting angle of ore body is greater than 40 degree, the tunnel Yan Mai of multiple levels, the shape at bottommost step are formed in ore body
Cheng Douchuan beats fan shaped medium length hole in the tunnel Yan Mai, can carry out region within the scope of the ore of back production using electric detonator, explosive
Property or disposable filling, preferred on-site mixed explosive.
Optionally, according to the stoping method, carrying out back production construction includes:
It is horizontal in different ore removals when ore body horizontal depth is greater than 15 meters or more, when inclination angle is lower than 52 degree of Natural care in angle,
The tunnel Yan Mai and multiple bucket rivers that multiple levels are formed in ore body, beat fan shaped medium length hole in the tunnel Yan Mai, using digital electricity
Sub- detonator, explosive can carry out regional or disposable filling, preferably on-site mixed explosive within the scope of the ore of back production.
The present invention closes hole surface mine ore stoping method, using to close hole surface mine can back production all ores it is whole
The detonation of regional or disposable Delay between holes interval is carried out, and the ore through the detonation institute's avalanche of Delay between holes interval is gone out
Mine, reduces number and the ore removal period of explosion in this way, and mining period is short, high production efficiency, and effectively protects side slope
Stablize.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the flow diagram that the present invention closes hole surface mine ore stoping method；
Fig. 2 closes closing for hole one embodiment of surface mine ore stoping method for the present invention and cheats surface mine top view；
Fig. 3 be along closed shown in Fig. 2 hole surface mine top view A-A to cross-sectional view；
Fig. 4 closes closing for hole another embodiment of surface mine ore stoping method for the present invention and cheats surface mine top view；
Fig. 5 be along closed shown in Fig. 4 hole surface mine top view A-A to cross-sectional view；
Fig. 6 be along closed shown in Fig. 4 hole surface mine top view B-B to cross-sectional view；
Fig. 7 closes closing for the hole another embodiment of surface mine ore stoping method for the present invention and cheats surface mine top view；
Fig. 8 be along closed shown in Fig. 7 hole surface mine top view A-A to cross-sectional view；
Fig. 9 be along closed shown in Fig. 7 hole surface mine top view B-B to cross-sectional view.
Specific embodiment
The specific embodiment for closing hole surface mine ore stoping method a kind of to the present invention carries out detailed with reference to the accompanying drawing
Thin description.
It will be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
Referring to shown in Fig. 1, one kind of the embodiment of the present invention closes hole surface mine ore stoping method, comprising steps of
S1, according to can the occurrence condition of production ore determine corresponding stoping method.
The occurrence condition of usual metal mine residue mine usually has certain angle in side slope, and low-angle dip to high-dipping is not
Deng thickness is different, usually belongs to gradually pinching state, also there is the occurrence condition of long bean shape；Thickness is several meters to tens meters, water
Flat depth is several meters to tens meters, and longitudinal direction is even up to several hundred rice.
According to the occurrence condition of remaining ore body, cutoff grade is determined, if mineral deposit ore-rock line of demarcation is obvious, directly as back production
The line of demarcation of ore；Unobvious for the ore-rock boundary or high low-grade unconspicuous ore of boundary needs professional technique calibration that can adopt
Grade line of demarcation；Prospective ore amount is drawn a circle to approve by geomatics engineer, gives ore removal spirogram, is determined according to occurrence condition, determines three-dimensional sky
Between range；According to prospective ore amount and three-dimensional spatial dimension, the stability contorting skill of feasible ore stoping method and side slope is determined
Art.
S2, according to the stoping method, carry out back production construction.
According to determining feasible ore stoping method, implement the working measures such as perforation, powder charge, backfill on ore body.It wears
Hole can be 7655 small-bores, can be the suitable fanhole(s) such as 80mm, 100mm.
S3, according to scheduled firing order between it is described close hole surface mine can back production ore integrally carry out disposable hole
Millisecond time detonation.
Using digital electric detonator, according to compensation space, according to scheduled firing order, such as according to from bottom to top, by
Arrive interior sequence outside, to it is described close hole surface mine can back production all ores integrally carry out disposable Delay between holes interval rise
It is quick-fried.The high reliablity of digital electric detonator, can On line inspection, and have the function of broken string detonation；Disposable detonation improves back production
Efficiency, and Delay between holes interval detonation mode be conducive to the greatest extent reduction concussion of blasting side slope harm.
S4, ore removal is carried out to the ore through the detonation institute's avalanche of disposable Delay between holes interval.
In ore removal level, ore removal is carried out to the ore through the detonation institute's avalanche of disposable Delay between holes interval.
The present invention closes hole surface mine ore stoping method, using to close hole surface mine can back production all ores it is whole
Disposable Delay between holes interval detonation is carried out, and ore removal is carried out to the ore through the detonation institute's avalanche of disposable Delay between holes interval,
Reduce number and the ore removal period of explosion in this way, mining period is short, high production efficiency.Further, hole dew is closed in the present invention
In its mine ore stoping method, for the step S2 according to the stoping method, carrying out back production construction includes: to utilize existing peace
Full platform and/or cleaning platform can open up blasthole on production ore.
The present invention does not need to increase development engineering, using existing security platform and platform is cleaned, as operating personnel's
The transport channel in channel and middle-size and small-size rock drill, do not need to increase development engineering, do not need to increase rock-peeling quantity, return period it is short,
High-efficient, loss and dilution is few.
Fig. 2 closes closing for hole one embodiment of surface mine ore stoping method for the present invention and cheats surface mine top view；Fig. 3 is
Along closed shown in Fig. 2 hole surface mine top view A-A to cross-sectional view；Wherein label 1 is to clean platform, and 2 be security platform, and 3 are
Fan shaped medium length hole, blasthole angle can be each angle, on to inclination, level, horizontal tilt or lower to vertical direction.
Referring to shown in Fig. 2 and Fig. 3, closed in the surface mine ore stoping method of hole in the present invention, the step S2 is according to institute
Stoping method is stated, carrying out back production construction includes: to draw a circle to approve when ore horizontal depth only has within 10 to 20 meters according to geologic report
Payable grade boundary, security platform 2 and clean platform 1 on directly rock drilling formed fan shaped medium length hole 3, blast hole depth to mine
Stone can adopt boundary, blasthole angle be on to inclination, level, horizontal tilt or lower to vertical direction；Using digital electric detonator,
Explosive can disposably loaded within the scope of the ore of back production, preferably on-site mixed explosive.
It when ore horizontal depth only has within 10 to 20 meters, does not need to beat the tunnel Yan Mai, according to geologic report delineation
Payable grade boundary in security platform and cleans direct rock drilling on platform, and blast hole depth to ore can adopt boundary, blasthole angle
It can be to inclination, level, horizontal tilt or lower each angle into vertical direction, be also possible to these angles
Combination；One-time pad bulk explosive is selected as far as possible and uses digital electric detonator once detonation.Because not needing reserved studding, ore
Naturally the bottom in pit, direct ore removal are slipped to.
Fig. 4 closes closing for hole another embodiment of surface mine ore stoping method for the present invention and cheats surface mine top view；Fig. 5
For along closed shown in Fig. 4 hole surface mine top view A-A to cross-sectional view；Fig. 6 be along closed shown in Fig. 4 hole surface mine top view
B-B to cross-sectional view；Wherein label 1 is discharging tunnel, and 2 wear arteries and veins for ore removal, and 3 be funnel, and 4 be drilling drift, and 5 is in sectors
Deep hole.
Referring to shown in fig. 4 to fig. 6, closed in the surface mine ore stoping method of hole in the present invention, the step S2 is according to institute
Stoping method is stated, carrying out back production construction includes: that the rock drilling lane of multiple levels is formed in ore body when the slanting angle of ore body is greater than 40 degree
Road 4, the also known as tunnel Yan Mai form funnel 3 at bottommost step, also known as bucket river, deep in shape of fanning in the tunnel Yan Mai
Hole can disposably loaded, preferably on-site mixed explosive using digital electric detonator, explosive within the scope of the ore of back production.
When horizontal depth is greater than 15 meters or more, when inclination angle is greater than 40 degree, slides convenient for ore, fetch water in ore body naturally
The flat tunnel Yan Mai, every 15-30 meters or two step height one horizontal tunnels Yan Mai, horizontal in bottommost step prolong
Certain barrier pillar is reserved in arteries and veins tunnel, the bucket river of corresponding interval is beaten in barrier pillar, in remaining horizontal tunnel Yan Mai
It is interior according to using YG80 drilling machine (or drilling machine of other forms) lay to, on to, horizontal scallop hole, using digital electric thunder
Pipe, explosive can disposably loaded within the scope of the ore of back production, preferably on-site mixed explosive.
The general blasting of hand-held airleg rock drill rock drilling can be used in the construction in the horizontal tunnel Yan Mai.Selection can
With the level of ore removal, the tunnel Yan Mai is made a call to along mineral ore edge, ore body is mostly deep to be beaten mostly deeply, is completed on former intrinsic step in tunnel
The tunnel Yan Mai.
The every two step height one horizontal tunnel Yan Mai, can while protecting adjoining rock stability two steps of back production
Ore.
When the stage it is horizontal prolong arteries and veins tunnelling after, enter mining link, be first with four walls in the tunnel Yan Mai
The beginning scope of freedom promotes progress blasting mining by prolonging arteries and veins access adit inwards, to prolong arteries and veins back as the initial scope of freedom, carries out rock drilling
Round, the ascending fanhole(s) of angle of spot hole are that the best scope of freedom carries out blasting mining with the side slope of opencut, use digital electricity
Sub- detonator once detonation.
In one embodiment, the blasthole diameter of scallop hole is 57mm, and maximum pitch of holes is 1.00-1.20 meters, array pitch is
1.20-1.5 meters, every meter of hole charge 2.0-2.5kg/m, unit consumption 0.7-0.9kg/t.
In another embodiment, the blasthole diameter of scallop hole is 100mm, and maximum pitch of holes is 1.5-2.0 meters, array pitch is
2.0-2.5 meters, every meter of hole charge 6.5-7.0kg/m, unit consumption 0.5-0.7kg/t.
Using digital electric detonator once detonation, ore a part of each stage avalanche flows to pit along bench face naturally
Bottommost step, major part fall on outdoor pit bottom stage level along the bucket river of each bottommost step naturally.
For the risk in ore removal, avoiding Rolling Stone from sliding, a discharging tunnel 1 is made a call in opencut bottom level side,
Several ore removals, which are got, towards ore body in discharging tunnel 1 wears arteries and veins 2.Certainly, when thinking that no Rolling Stone slides risk by assessment,
The tunnel bottom stage Yan Mai ore removal can also directly be utilized.
Fig. 7 closes closing for the hole another embodiment of surface mine ore stoping method for the present invention and cheats surface mine top view；Fig. 8
For along closed shown in Fig. 7 hole surface mine top view A-A to cross-sectional view；Fig. 9 be along closed shown in Fig. 7 hole surface mine top view
B-B to cross-sectional view；Wherein label 1 is discharging tunnel, and 2 wear arteries and veins for ore removal, and 3 be funnel, and 4 be drilling drift, and 5 is in sectors
Deep hole.
Referring to shown in Fig. 7 to Fig. 9, closed in the surface mine ore stoping method of hole in the present invention, according to the stoping method,
Carrying out back production construction includes: when ore body horizontal depth is greater than 15 meters or more, when inclination angle is lower than 52 degree of Natural care in angle, different
Ore removal is horizontal, the drilling drift 4 and multiple funnels 3 of multiple levels is formed in ore body, wherein drilling drift is also known as the lane Yan Mai
Road, funnel also known as struggle against river, fan shaped medium length hole 5 is beaten in the tunnel Yan Mai, using digital electric detonator, explosive can back production mine
It is disposably loaded within the scope of stone, preferably on-site mixed explosive.
When the slanting angle of ore body is lower than 52 degree of Natural care in angle, prolonging for multiple levels is formed by the river ore removal that struggles against when necessary
Arteries and veins tunnel and multiple bucket rivers.Preferably, one tunnel Yan Mai of every two step design, up and down each one have bucket river it is horizontal every
The drilling of upper and lower two steps can be implemented in layer, a tunnel Yan Mai, but must be reserved with the interlayer in bucket river up and down, each hangs down
Straight and horizontal continuity corner mine, first implements the tunnel Yan Mai, and bucket river and scallop hole are formed in the tunnel Yan Mai, and the tunnel Yan Mai is whole
After formation, once perforated, a powder charge is primary to implement Delay between holes detonation, concentrates step bottommost step concentrating mining, to protect
The safety of bottom stage ore removal is demonstrate,proved, a discharging tunnel 1 is made a call in separate position in the position bottommost Dou Chuan, in discharging tunnel 1
Several ore removals are got towards ore body and wear arteries and veins 2, to guarantee ore removal safety.
Semi-steep ore body is more rare in opencut, can be in mine when the angle of gently inclined orebody is lower than 30 degree
Stone boundary is dispatched workers to do on-site repairs horizontal haulage drift, respectively different ore removal platform ore removals；When the slanting angle of ore body is between 30 degree to 52 degree, need
Increase some road engineerings, creates the platform of transport.
According to the occurrence condition in mineral deposit, gently inclined orebody tilts the above ore body there are horizontal studding there are vertical studding, with
Guarantee temporary support country rock.
It is closed in the surface mine ore stoping method of hole in the present invention, in the step S3, using digital electric detonator, according to
Scheduled firing order, to it is described close hole surface mine can back production all ores integrally carry out disposable Delay between holes interval rise
In quick-fried one embodiment, blasting parameter includes:
In the every artillery salvo of fan shaped medium length hole, single blasthole selects the extension time of 1-5ms/m according to bottom hole pitch；It is quick-fried to multiple rows of hole
When broken, be delayed design between selecting 8-50ms/m, preferably 15-30ms/m to be arranged between row, and above-mentioned time delays are when ore body is hard
It gets the small value, delay takes large values when ore body is soft, and shock dropping takes large values when being purpose, is crushed to get the small value when purpose, scallop hole number of rows
It gets the small value when few, takes large values when number of rows is more, get the small value when close to the scope of freedom, take large values when far from the scope of freedom.
Bottom hole pitch selects 1.0-3.2 meters, and 1.5-3.5 meters of ore caving interval, 6-45 meters of hole depth, aperture 60-100mm, powder column is big
Selection is sent out using double hair digital electric detonators, bottom 1 when 10 meters, the middle position one of the one third to 2/3rds of powder column
Hair, detonates simultaneously, prevents explosive from falling off-drug after rise.
Single blasthole selects the time of delaying according to bottom hole pitch, if be less than 1ms/m, the blasting impact that is generated between adjacent shot hole
Wave superimposed anomaly is obvious, and the Blasting Vibration Hazards of side slope are larger；When if more than 5ms/m, the explosion generated between adjacent shot hole is rushed
The synergistic effect for hitting wave is smaller, so that the lumpiness of ore is larger, increases and subsequent carries out broken cost to ore.
When similarly, to more Hole placing blasts, if the delay time between arranging is less than 8ms/m, the explosion of blasthole generation between row
Shock wave superposition is also abnormal obvious, and the Blasting Vibration Hazards of side slope are larger；Blasthole detonation is generated when if more than 50ms/m, between row
The synergistic effect of the Blasting shock wave generated afterwards greatly reduces, so that the lumpiness of ore is larger, is both unfavorable for ore removal, also increases
It is subsequent that broken cost is carried out to ore.
Above-described embodiment be mainly to close hole surface mine can all ores of back production integrally carry out disposable Delay between holes
The explanation carried out for the detonation of interval.However, the present invention is not limited thereto, can also to close hole surface mine can back production all ores it is whole
Body carries out subregion, implements the detonation explosion of subregion one by one, is detonated in the explosion of each subregion using Delay between holes interval.This hair
Bright embodiment can also implement disposable detonation explosion at least two subregions of all ore entirety, in this case, often
It is still detonated using Delay between holes interval in the explosion of a subregion, the millisecond time for implementing section to different by stages detonates.
The detonation explosion of subregion one by one is stated on the implementation, or at least two subregions of all ore entirety is implemented disposable
Detonate explosion when, other method and steps and corresponding parameter and it is aforementioned to close hole surface mine can back production all ores it is whole
The identical of disposable Delay between holes interval detonation is carried out, details are not described herein.
It is heretofore described between close hole surface mine can back production all ores integrally carry out disposable Delay between holes
Refer to every detonation: to close hole surface mine can back production all ores it is whole, implement disposable detonation explosion, disposable rise at this
It is detonated in explosion using Delay between holes interval.
It is heretofore described between close hole surface mine can back production all ores integrally carries out regionality Delay between holes
Refer to every detonation: to close hole surface mine can all ores of back production integrally carry out subregion, implement the detonation explosion of subregion one by one,
It is detonated in the explosion of each subregion using Delay between holes interval；It also include following situation: at least two whole to all ores
A subregion implements disposable detonation explosion, is still detonated using Delay between holes interval in the explosion of each subregion, to different subregions
Between implement section millisecond time detonation.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (2)
1. one kind closes hole surface mine ore stoping method characterized by comprising
According to can the occurrence condition of production ore determine corresponding stoping method；
According to the stoping method, back production construction is carried out；
According to scheduled firing order to it is described close hole surface mine can the ore of back production integrally carries out regionality or disposable hole
Between millisecond time detonate；
Ore removal is carried out to the ore through regional or disposable Delay between holes interval detonation institute's avalanche, wherein according to the back production
Method, carrying out back production construction includes:
It is horizontal in different ore removals when ore body horizontal depth is greater than 15 meters or more, when inclination angle is lower than 52 degree of Natural care in angle, in mine
The tunnel Yan Mai and multiple bucket rivers for forming multiple levels in vivo, beat fan shaped medium length hole in the tunnel Yan Mai, using digital electric thunder
Pipe, explosive can carry out regional or disposable filling within the scope of the ore of back production；
The tunnel Yan Mai that multiple levels are formed in ore body includes: every 15-30 meters or every two step height, in ore body
Form the tunnel Yan Mai of multiple levels；
The step of formation bucket river includes: that certain barrier pillar is reserved in the tunnel Yan Mai, between beating in barrier pillar accordingly
Every bucket river；
In the every artillery salvo of fan shaped medium length hole, single blasthole selects the extension time of 1-5ms/m according to bottom hole pitch；
In fan shaped medium length hole, when to more Hole placing blasts, the extension time of 8-50ms/m is selected between row.
2. according to claim 1 close hole surface mine ore stoping method, which is characterized in that according to the back production side
Method, carrying out back production construction includes:
Using existing security platform and/or cleaning platform blasthole can be being opened up on production ore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610593579.6A CN106121653B (en) | 2012-07-09 | 2012-07-09 | One kind closing hole surface mine ore stoping method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210234382.5A CN102733808B (en) | 2012-07-09 | 2012-07-09 | Closed pit open-pit mine ore recovery method |
| CN201610593579.6A CN106121653B (en) | 2012-07-09 | 2012-07-09 | One kind closing hole surface mine ore stoping method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210234382.5A Division CN102733808B (en) | 2012-07-09 | 2012-07-09 | Closed pit open-pit mine ore recovery method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106121653A CN106121653A (en) | 2016-11-16 |
| CN106121653B true CN106121653B (en) | 2019-04-26 |
Family
ID=46990027
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210234382.5A Active CN102733808B (en) | 2012-07-09 | 2012-07-09 | Closed pit open-pit mine ore recovery method |
| CN201610593579.6A Active CN106121653B (en) | 2012-07-09 | 2012-07-09 | One kind closing hole surface mine ore stoping method |
| CN201610593578.1A Active CN106121652B (en) | 2012-07-09 | 2012-07-09 | Closed pit open-pit mine ore recovery method |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210234382.5A Active CN102733808B (en) | 2012-07-09 | 2012-07-09 | Closed pit open-pit mine ore recovery method |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610593578.1A Active CN106121652B (en) | 2012-07-09 | 2012-07-09 | Closed pit open-pit mine ore recovery method |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN102733808B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612689B (en) * | 2015-01-20 | 2016-08-24 | 辽宁工程技术大学 | A kind of optimization method of opencut underlying seam open-pit limit |
| CN108412495A (en) * | 2018-01-30 | 2018-08-17 | 西安科技大学 | A kind of excavating plant bench blasting method |
| CN108952713B (en) * | 2018-05-31 | 2019-12-27 | 西北矿冶研究院 | Recovery method of scattered minerals in closed-section stope |
| CN108979280B (en) * | 2018-08-30 | 2019-10-11 | 中国矿业大学 | Close hole Mine Roadway storage tank farm, oil storage method and construction method |
| CN111578802A (en) * | 2020-05-28 | 2020-08-25 | 广州市顺兴石场有限公司 | High-acquisition-degree mine smooth blasting mining method |
| CN111691888B (en) * | 2020-06-12 | 2021-10-22 | 鞍钢集团矿业有限公司 | Accurate shovel loading system and method for surface mine |
| CN112901172B (en) * | 2021-01-14 | 2023-02-24 | 尹怀镇 | Method for elutriating placer gold in sandy soil with frozen soil layer |
| CN115391897B (en) * | 2022-09-02 | 2023-11-17 | 辽宁工程技术大学 | Parallel development step distance determining method for dumping sites in adjacent strip mines |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1601054A (en) * | 2004-10-10 | 2005-03-30 | 北京科技大学 | Method for intensified mining deep-dished strip mine |
| CN101424503A (en) * | 2007-11-01 | 2009-05-06 | 鞍钢集团矿业公司 | Rim angle excavation method by blasting for natural side hill |
| WO2009087604A1 (en) * | 2008-01-11 | 2009-07-16 | Brink Jacobus Pieter Daniel | Method for mining |
| CN102331212A (en) * | 2011-09-07 | 2012-01-25 | 薛世忠 | Loss and dilution controlled blasting method for open metal mine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4103972A (en) * | 1973-12-03 | 1978-08-01 | Kochanowsky Boris J | Open pit mine |
| CN1052525C (en) * | 1997-10-23 | 2000-05-17 | 北京矿冶研究总院 | Open-air high-step mining method |
| CN100464054C (en) * | 2006-07-25 | 2009-02-25 | 武汉理工大学 | Fast spoil disposal slope protection and ecological recovery open-pit mining technology |
| CN101899976B (en) * | 2010-07-15 | 2011-12-28 | 煤炭科学研究总院太原研究院 | Continuous coal mining process method of open-pit coal mine |
| CN102140916A (en) * | 2010-12-15 | 2011-08-03 | 河北天择重型机械有限公司 | Process and apparatus for mining open pit |
-
2012
- 2012-07-09 CN CN201210234382.5A patent/CN102733808B/en active Active
- 2012-07-09 CN CN201610593579.6A patent/CN106121653B/en active Active
- 2012-07-09 CN CN201610593578.1A patent/CN106121652B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1601054A (en) * | 2004-10-10 | 2005-03-30 | 北京科技大学 | Method for intensified mining deep-dished strip mine |
| CN101424503A (en) * | 2007-11-01 | 2009-05-06 | 鞍钢集团矿业公司 | Rim angle excavation method by blasting for natural side hill |
| WO2009087604A1 (en) * | 2008-01-11 | 2009-07-16 | Brink Jacobus Pieter Daniel | Method for mining |
| CN102331212A (en) * | 2011-09-07 | 2012-01-25 | 薛世忠 | Loss and dilution controlled blasting method for open metal mine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106121652A (en) | 2016-11-16 |
| CN102733808B (en) | 2016-10-19 |
| CN106121652B (en) | 2019-02-01 |
| CN102733808A (en) | 2012-10-17 |
| CN106121653A (en) | 2016-11-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106121653B (en) | One kind closing hole surface mine ore stoping method | |
| CN100535387C (en) | Improved sublevel caving method without bottom column | |
| CN107764144B (en) | A kind of tunnel Millisecond Controlled Blasting method | |
| CN101713290B (en) | Method for clearing rock burst of full-mine laneway deep in mine | |
| CN107063014B (en) | Cutting shallow hole step controlled blasting slope cutting method in complex environment | |
| CN102182461A (en) | Efficient mining method for thick metal ore body in slanting | |
| CN105937395B (en) | A kind of comprehensive dig of coal mine big cross section hard-rock tunnel combines rapidly and efficiently driving method with big gun pick | |
| CN102758633B (en) | The construction method of the good large cross-section tunnel of a kind of country rock situation | |
| CN109029168B (en) | Blasting treatment method for underground suspended roof | |
| CN109162715B (en) | Method for controlling ground pressure of inclined thick ore body by adopting segmented open-field method | |
| CN107165636B (en) | A kind of method of strip pit exploitation | |
| CN104847352A (en) | Chamber and overhand cut combined cut-and-filling stoping method in pre-roof-protecting stage | |
| CN103344154A (en) | Carbonaceous schist tunnel blasting method and construction method | |
| CN102519324B (en) | Presplitting blasting method for water holes close to high and steep slopes | |
| CN108252717B (en) | A kind of low poor damage sublevel caving of high-dipping middle thickness orebody | |
| CN104154830A (en) | Medium-length hole blasting method for underground mining | |
| CN107339920B (en) | The method of superdeep holes presplit blasting | |
| CN108590747A (en) | Wall type allwork hydraulic column gib afterwards filling method | |
| CN105735996A (en) | Presplitting type wall cutting and filling stoping method for thin ore vein | |
| CN109252869A (en) | It digs up mine a kind ofly mountain medium-length hole cloth pore structure | |
| CN106545344B (en) | A kind of Karst area tunnel wall-hanging country rock face blast excavation method | |
| CN209230424U (en) | A kind of compound burn cut | |
| CN108362181B (en) | A kind of driving recovery method of extra narrow vein ore body | |
| CN109974545A (en) | A kind of medium-length hole blasting outstanding top processing method in sublevel caving method | |
| CN103410513B (en) | Uneasily mining orebody mechanization process for stoping |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220607 Address after: Room 4713, 47F, building 1, No. 6, Xinyuan South Road, Chaoyang District, Beijing 100027 Patentee after: ZHUOLIWEI (BEIJING) TECHNOLOGY Co.,Ltd. Address before: 264209 room 705, No. 12, shishenghuayuan, torch high tech Industrial Development Zone, Weihai City, Shandong Province Patentee before: Xue Shizhong |
|
| TR01 | Transfer of patent right |