CN109339785B - A kind of intensive mining methods of gently inclined medium thick orebody multiple-unit combination - Google Patents
A kind of intensive mining methods of gently inclined medium thick orebody multiple-unit combination Download PDFInfo
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- CN109339785B CN109339785B CN201811518604.XA CN201811518604A CN109339785B CN 109339785 B CN109339785 B CN 109339785B CN 201811518604 A CN201811518604 A CN 201811518604A CN 109339785 B CN109339785 B CN 109339785B
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- 238000000034 method Methods 0.000 title claims abstract description 44
- 238000005065 mining Methods 0.000 title claims abstract description 34
- 239000011435 rock Substances 0.000 claims abstract description 54
- 238000005553 drilling Methods 0.000 claims description 53
- 238000005520 cutting process Methods 0.000 claims description 24
- 230000011218 segmentation Effects 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 11
- 238000004880 explosion Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 5
- 238000013467 fragmentation Methods 0.000 claims description 3
- 238000006062 fragmentation reaction Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 claims description 2
- 239000002893 slag Substances 0.000 claims description 2
- 241000237509 Patinopecten sp. Species 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 235000020637 scallop Nutrition 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000005422 blasting Methods 0.000 description 2
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- 208000036366 Sensation of pressure Diseases 0.000 description 1
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- 239000004568 cement Substances 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
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Abstract
The present invention relates to a kind of multiple-units suitable for gently inclined medium thick orebody to combine intensive mining methods, ore body across pitch is divided into wide nugget, then each nugget is divided into bar shaped stope along orebody strike, by the S1 in each nugget, the n such as S2 ... Sn continuous stopes are combined into 1 unit, then according to mine capacity by U1, the m unit such as U2 ... Um combines intensive exploitation, each unit and the stopping sequence of stope are 1 stope of U1 cell S → U2 cell S, 1 stope →... ... → 1 stope of Um cell S → 2 stopes of U1 cell S → U2 cell S, 2 stope →... ... → 2 stope →... ... of Um cell S → U1 cell S n stope → U2 cell S n stope →... ... → Um cell S n stope, this method is adapted to the slanting angle of ore body > 15 °, the low-angle dip of ore-rock moderately stable Middle thickness orebody realizes the independence of technique and the intensive exploitation of stope by unit combining form, guarantees scale ore removal, presses with effectively being controlled by afterwards filling, finally realizes safety, economy, high-efficiency mining.
Description
Technical field
The invention belongs to underground mining field more particularly to a kind of multiple-unit combination of sets suitable for gently inclined medium thick orebody
Reduction mining methods.
Background technique
It is greater than 15 ° of gently inclined medium thick orebody for gently inclined medium thick orebody, the especially slanting angle of ore body, exploitation difficulty is big,
Realize that highly effective and safe exploitation is even more extremely difficult.The mining methods for exploiting such ore body at present mainly include room-and-pillar method, avalanche
Method, upward horizontal slice filling mining method, horizontal slices open stope afterwards filling mining methods etc..These mining methods are usually only
The requirement for considering explored ore reserve and production capacity causes Mining Engineer often only to consider that back production is adopted in mining Design in this way
Field and the arrangement for adopting quasi- stope, or even in order to pursue benefit, cause stope " in full flourish ", each stope arrangement dispersion.
In addition, in single stope often there is also filling, ore removal, rock drilling, explosion, adopt and the intersection of techniques such as cut and interfere with each other, this
Sample does not only result in that utilization rate of equipment and installations is low, is also greatly reduced the safety of operation, and this traditional mining methods are difficult to adapt to item
The increasingly complex deep ground deposit mining of part.For this purpose, a kind of novel unit suitable for gently inclined medium thick orebody of the invention
Combine intensive mining methods, it is intended to which synthesis solves the above problems.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of safe and reliable, stable production capacity, intensive degree
A kind of unit of high gently inclined medium thick orebody combines intensive mining methods.This method is adapted to the slanting angle of ore body > 15 °, ore-rock
The middle thick gently inclined orebody of moderately stable realizes the independence of technique and the intensive exploitation of stope by unit combining form,
Guarantee scale ore removal, press with effectively being controlled by afterwards filling, finally realizes safety, economy, high-efficiency mining.
A kind of intensive mining methods of gently inclined medium thick orebody multiple-unit combination include the following steps:
1) ore body across pitch is divided into wide nugget, each nugget is then divided into bar shaped stope along orebody strike；
2) by the S in each nugget1、S2…SnTotal n continuous stopes are combined into 1 unit, then according to mine capacity
By U1、U2…UmTotal m unit combines intensive exploitation, the arrangement form of unit combination with equipment transfer apart from it is short be excellent；
The stope number n according to ore and rock stability, strength of filling mass, the slanting angle of ore body and adopt cutting journey arrangement form and
Fixed, usual n is equal to 4 or 6；
The unit number of combinations m is foundation, the combination of usual situation unit by the time that obturation reaches stability_intensity
Number m >=6；
The arrangement form of unit combination determines according to orebody trend length, moves towards that continuity is good and sufficiently long mine
Body can combine unit and be arranged in same absolute altitude, move towards that continuity is good and unit can be arranged in by the general ore body of length
Adjacent up or down one is segmented absolute altitude, moves towards poor continuity and unit can be arranged in 3 segmentation absolute altitudes by the short ore body of length.Its
Middle unit combination is arranged in same absolute altitude, and equipment transfer distance is most short, most beneficial for the implementation of this method；
3) each unit and the stopping sequence of stope are U1Cell S1Stope → U2Cell S1Stope →... ... → UmCell S1It adopts
Field → U1Cell S2Stope → U2Cell S2Stope →... ... → UmCell S2Stope →... ... → U1Cell SnStope → U2Cell Sn
Stope →... ... → UmCell SnStope.
4) stope is to fill stope according to technique different demarcation, ore removal stope, and rock drilling stope cuts stope, adopts quasi- stope,
These stopes are sequentially arranged in unit combination stope by stopping sequence, with the propulsion of stopping sequence, stope that ore removal finishes
Carrying out packing job becomes filling stope, and the stope that rock drilling finishes, which carries out the operation of explosion ore removal, becomes ore removal stope, and cutting finishes
Stope carry out rock drilling operation and become rock drilling stope, adopting the quasi- stope finished and carrying out cutting work arrangement becomes cutting stope,
Next blank stope, which adopt quasi- work arrangement, to be become adopting quasi- stope, and stope successively constantly promotes and changes, filling pipe with technique
Also with successively promoting and deploying, each stope is all the stope of independent process for line, scraper, medium-length hole trolley and drill jumbo.
The groundwork of the filling stope is the stope finished using paste filling material filling ore removal；
The groundwork of the ore removal stope is that the quick-fried ore fallen is transported to mine chute using scraper；
The groundwork of the rock drilling stope is to carry out boring work using long and medium hole drilling trolley；
The groundwork of the cutting stope is to carry out slot raise using raise boring machine and long and medium hole drilling trolley and cut
Cut slot work；
The groundwork for adopting quasi- stope is using drill jumbo driving ore removal river and rock drilling lane.
5) specific step is as follows for a kind of quasi- work arrangement of adopting of the intensive exploitation of gently inclined medium thick orebody multiple-unit:
1. arranging level haulage gallery along orebody trend in ore body lower wall, vertical ore body is arranged every 200m along orebody trend
The level haulage crosscut of trend；
2. being open from level haulage gallery tunnels stope ramp；
3. from stope ramp every the high 20m opening driving segmentation connecting taxiway that hangs down, and arranging slice drift, segmentation along ore body
Height 20m, every disk on the vertical orebody strike driving filling returnairshaft connecting taxiway to ore body of 100m, and disk center is dug on stope
Air entering and returning fill chamber, tunnel downwards at the top of return air filling well and stope and penetrate through in return air filling chamber, filling returnairshaft connection
The return air filling that network road can satisfy multiple slitting stopes requires；
4. corresponding in range in each unit, vertical fragmentation gallery descending grade arranges ore drawing in stope river connection S1、S2…Sn/2It adopts
, stope rock drilling lane is tunneled in ore body lower wall in wherein n/2 round numbers, vertical ore drawing in stope river；To S1、S2…Sn/2Stope mining fills
After filling out, in S1、S2…Sn/2The leveling of caunching of the position in ore drawing in stope river forms Sn/2+1、Sn/2+2…SnOre drawing in stope river, and hang down
Stope rock drilling lane is tunneled in ore body lower wall in straight ore drawing in stope river；
5. arranging drop shaft connection roadway and mine chute every 200m in slice drift；
The stope ramp is to be arranged one every 600m, is responsible for personnel's material installation transport of left and right 300m ore body.
The S1、S2…Sn/2Ore drawing in stope river is in descending grade, the descending grade gradient≤12%.
The Sn/2+1、Sn/2+2…SnOre drawing in stope river is in level.
The leveling of caunching, which refers to, falls back country rock using up-hole is quick-fried on the basis of original tunnel, after partially slagging tap
It is leveled up using the quick-fried barren rock fallen and forms new roadway engineering to the absolute altitude of needs.
The S1、S2…Sn/2Ore drawing in stope river and Sn/2+1、Sn/2+2…SnOre drawing in stope river and slice drift are at an angle
Arrangement, is conducive to the ore removal of scraper.
The filling returnairshaft is used for the afterwards filling of stope explosion ventilation and stope.
After the afterwards filling refers to stope mining, filling counterfort is set in the opening of connection stope, then first
Filling a part adopts the barren rock of cutting journey generation, finally carries out Tight filling with paste filling material.
The mine chute connection roadway and mine chute needs are corresponding with level haulage crosscut in vertical direction, make to be segmented
Ore transfer to level haulage crosscut and transport.
The advantages and positive effects of the present invention include: first, stope Component units, and unit is combined, and are conducive to mine
Integrated planning, intensive exploitation and Earth pres-sure control, it is final to realize Lean magnetite ore and comprehensive utilization of resources；The second, the back production of stope
Sequence is series connection with stope based on unit, and the continuous of stope successively promotes between realizing unit, is conducive to collaboration control and sets
Standby regulation；Third, according to technique different demarcation functionality stope, with the propulsion of stopping sequence, the master of different functionalities stope
It works and also takes over conversion, be independently distributed every kind of technique in respective stope, avoid staggeredly interfering for technique, realize Alternative
Spatially independently working, parallel operations on the time, improves utilization rate of equipment and installations, and it is dangerous to reduce safety wind；4th, it specially sets
Ventilation filling system is set, ventilation condition is preferable, and filling stope can be real using the upper barren rock for being segmented and adopting cutting journey and generating
Existing barren rock comes out of steamer less, finally uses paste filling material Tight filling, ensure that the globality and intensity of obturation, is subsequent
It creates favorable conditions every stope and rib pillar stoping, barren rock and paste body filling combine and greatly reduce cement consumption, reduce
Filling cost；5th, the upward Drilling fanhole(s) of long and medium hole drilling trolley, blast hole utilizing factor is high, and material unit consumption is low, prior
It is that Large-scale blasting can be realized using disposable short-delay blasting, automates scraper for separate unit and sufficient mine amount is provided, avoid
Scraper is frequently dispatched between more stopes, reduces the standby time of scraper, improves the work effect of automation scraper
Rate.
Detailed description of the invention
Fig. 1 is the A-A sectional view of the specific embodiment of the invention；
Fig. 2 is the B-B top view of the specific embodiment of the invention；
In figure: 1- level haulage gallery；2- level haulage crosscut；3- ramp；4- is segmented connecting taxiway；5- slice drift；
6-S1、S2Ore drawing in stope river；7-S3、S4Ore drawing in stope river；8- rock drilling lane；9- fills returnairshaft connecting taxiway；10- fills chamber；
11- fills returnairshaft；12- mine chute connection roadway；13- mine chute；14- obturation；15- ore pillar；16- slot raise；17-
Cutting groove；18- scallop hole；I- fills stope；II-ore removal stope；III-rock drilling stope；IV-cutting stope；V- adopts quasi- stope.
Specific embodiment
To keep present invention implementation purposes, technical schemes and advantages clearer, below in conjunction in the embodiment of the present invention
The technical solution in embodiment is clearly and completely described in attached drawing, it is clear that described embodiment is of the invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In addition, in the description of the present invention, unless otherwise indicated, " multiple ", " more ", " multiple groups " be meant that two or
Two or more, " several ", " several ", " several groups " are meant that one or more.
As depicted in figs. 1 and 2, a kind of multiple-unit combination of gently inclined medium thick orebody provided in an embodiment of the present invention is intensive
Mining methods, comprising the following steps:
1) ore body across pitch is divided into the nugget of 100m, each nugget is then divided into wide 12.5m's along orebody strike
Bar shaped stope；
2) by the continuous stope of 4 in each nugget (including S1Stope, S2Stope, S3Stope, S4Stope) it is combined into 1 list
Then member 6 units combines intensive continuous exploitation, including U1Unit, U2Unit, U3Unit, U4Unit is arranged in one point
Section, U5Unit, U6Unit is arranged in a segmentation；
3) stopping sequence of stope is U1Cell S1Stope → U2Cell S1Stope →... ... → U6Cell S1Stope → U1It is single
First S2Stope → U2Cell S2Stope →... ... → U6Cell S2Stope → U1Cell S3Stope → U2Cell S3Stope →... ... → U6
Cell S3Stope →... ... → U1Cell S4Stope → U2Cell S4Stope →... ... → U6Cell S4Stope.
4) stope is to fill stope I according to technique different demarcation, ore removal stope II, and rock drilling stope III cuts stope IV, adopts
Quasi- stope V, these stopes are sequentially arranged in unit combination stope by stopping sequence, and with the propulsion of stopping sequence, ore removal is complete
Complete stope, which carries out packing job, to be become filling stope I, and the stope that rock drilling finishes, which carries out the operation of explosion ore removal, becomes ore removal stope
II, cutting the stope progress rock drilling operation finished becomes rock drilling stope III, adopts the quasi- stope finished and carries out cutting work arrangement change
To cut stope IV, carrying out adopting quasi- work arrangement in next blank stope becomes adopting quasi- stope V, and stope is successively constantly pushed away with technique
Into and transformation, filling pipeline, scraper, medium-length hole trolley and drill jumbo are also with successively promoting and deploying, and respective stope is all
It is the closing stope of independent process.
The groundwork of the filling stope I is the stope finished using paste filling material filling ore removal；
The groundwork of the ore removal stope II is that the quick-fried ore fallen is transported to mine chute 13 using scraper；
The groundwork of the rock drilling stope III is to carry out Drilling scallop hole 18 using long and medium hole drilling trolley to work；
The groundwork of the cutting stope IV is to carry out slot raise 16 using raise boring machine and long and medium hole drilling trolley
It works with cutting groove 17；
The groundwork for adopting quasi- stope V is using drill jumbo driving ore removal river and rock drilling lane.
5) it in order to realize the intensive exploitation of gently inclined medium thick orebody, needs to arrange and adopts quasi- engineering, the specific steps are as follows:
1. arranging level haulage gallery 1 along orebody trend in ore body lower wall, vertical mine is arranged every 200m along orebody trend
The level haulage crosscut 2 of body trend；
2. being open from level haulage gallery 1 tunnels stope ramp 3；
3. from stope ramp 3 every the high 20m opening driving segmentation connecting taxiway 4 that hangs down, and slice drift 5 is arranged along ore body,
Height of lift 20m fills disk on returnairshaft connecting taxiway 9 to ore body, and the disk on stope every the vertical orebody strike driving of 100m
Center driving filling return air chamber 10, tunnels downwards at the top of return air filling well 11 and stope in return air filling chamber 10 and penetrates through,
The return air filling that filling returnairshaft connecting taxiway 9 can satisfy 4 slitting stopes requires；
4. 5 descending grade of vertical fragmentation gallery arranges S1、S26 connection S of ore drawing in stope river1Stope and S2Stope, vertical S1、S2Stope
S is tunneled in ore body lower wall in ore removal river 61Stope and S2The rock drilling lane 8 of stope；To S1Stope and S2After stope mining fills,
S1、S2Leveling of caunching on the basis of ore drawing in stope river 6 forms S3、S4Ore drawing in stope river 7, and vertical S3、S4Ore drawing in stope river 7 is in ore body
Lower wall tunnels S3Stope and S4The rock drilling lane 8 of stope；
5. arranging drop shaft connection roadway 12 and mine chute 13 every 200m in slice drift 5；
The stope ramp 3 is to be arranged one every 600m, is responsible for personnel's material installation transport of left and right 300m ore body.
The S1、S2Ore drawing in stope river 6 is in descending grade, the descending grade gradient≤12%.
The S3、S4Ore drawing in stope river 7 is in level.
The leveling of caunching refers in S1、S2Back country rock, portion are fallen using up-hole is quick-fried on the basis of ore drawing in stope river 6
It is leveled up using the quick-fried barren rock fallen to the absolute altitude of needs after separating slag, forms S3、S4Ore drawing in stope river 7.
The S1、S2Ore drawing in stope river 6 and S3、S4Ore drawing in stope river 7 is arranged at an angle with slice drift 5, is conducive to
The ore removal of scraper.
The filling returnairshaft 11 is used for the afterwards filling of stope explosion ventilation and stope.
After the afterwards filling refers to stope mining, filling counterfort is set in the opening of connection stope, then first
Filling a part adopts the barren rock of cutting journey generation, finally carries out Tight filling with paste filling material and forms obturation 14.
The mine chute connection roadway 12 and the needs of mine chute 13 are corresponding with level haulage crosscut 2 in vertical direction,
The ore of segmentation is set to transfer to level haulage crosscut 2 and transport.
In order to further illustrate the superiority of the mining methods, now the mining technology of each functional stope is done furtherly
It is bright.
1) stope I is filled: first by S1、S2Ore drawing in stope river 6 (or S3、S4Ore drawing in stope river 7) at rock drilling lane 8
Filling counterfort is set, for S3Stope and S4Stope also needs that barricade is arranged at filling returnairshaft connecting taxiway 9 in rock drilling lane 8,
Then filling pipeline is inserted into filling returnairshaft 11 by slice drift 5 and filling returnairshaft connecting taxiway 9, finally fills lotion
Filler is filled toward stope dead zone, and obturation 14 can exploit adjacent stope ore body after conserving 28 days.
2) ore removal stope II: using the scallop hole 18 finished, carrying out explosion by row using millisecond detonating mode, explosion
Ore is fallen into rock drilling lane 8, and Sandvik automates scraper LH514 by level haulage gallery 1, ramp 3, segmentation contact
Road 4, slice drift 5, S1、S2Ore drawing in stope river 6 (or S3、S4Ore drawing in stope river 7) reach fall mine point.Shovel dress falls into rock drilling lane 8
Ore pass through S1、S2Ore drawing in stope river 6 (or S3、S4Ore drawing in stope river 7), slice drift 5, drop shaft connection roadway 12, pour into mine
Stone drop shaft 13.Then the work of reciprocation cycle ore removal is done.
3) rock drilling stope III: with the cutting groove 17 that has finished for the scope of freedom, Sandvik DL421 long and medium hole drilling trolley edge
To scallop hole 18 on 8 Drilling of rock drilling lane, until finishing the rock drilling work of entire rock drilling stope III.
4) it cuts stope IV: being located at stope center, Atlas Easer L raise boring machine upward Drilling in rock drilling lane 8
Slot raise 16 carries out explosion to scallop hole 18 on Sandvik DL421 long and medium hole drilling trolley Drilling and forms cutting groove 17, complete
At cutting engineering；
5) quasi- stope V is adopted: for stope S1With stope S2, using the hydraulic automation twin-boom platform of Sandvik DD422i
Vehicle tunnels S1、S2Ore drawing in stope river 6 and rock drilling lane 8；For S3Stope and S4Stope, it is hydraulic automatic using Sandvik DD422i
Change twin-boom carriage leveling of caunching and forms S3、S4Ore drawing in stope river 7, and tunnel and complete rock drilling lane 8.
The Atlas Easer L raise boring machine, Sandvik DL421 long and medium hole drilling trolley, Sandvik
The equipment such as the hydraulic automation twin-boom carriage of DD422i, Sandvik automation scraper LH514 are large-scale sophisticated equipment,
Therefore corresponding roadway engineering is the basket handle arch section of 4.5m × 4.5m, and mine chute 13 is 3m diameter circular section.
The present invention is adapted to gently inclined medium thick orebody, is particularly suitable for large-scale modernization deep ground mine.Compared to other mining
Method, the mining methods are safe and reliable, stable production capacity, intensive degree are high, by unit combining form, realize technique
The intensive exploitation of independence and stope guarantees scale ore removal, presses with effectively being controlled by afterwards filling, final to realize peace
Entirely, economic, efficient exploitation.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (5)
1. a kind of gently inclined medium thick orebody multiple-unit combines intensive mining methods, it is characterised in that include the following steps:
(1) ore body across pitch is divided into wide nugget, each nugget is then divided into bar shaped stope along orebody strike；
(2) by the S in each nugget1、S2…SnTotal n continuous stopes are combined into 1 unit, then will according to mine capacity
U1、U2…UmTotal m unit combines intensive exploitation；The arrangement form of unit combination determines according to orebody trend length,
It moves towards that continuity is good and unit combination is arranged in same absolute altitude by sufficiently long ore body, moves towards that continuity is good and length is general
Unit is arranged in an adjacent upper segmentation or next segmentation by ore body, moves towards poor continuity and the short ore body of length is by unit
It is arranged in 3 segmentation absolute altitudes；The arrangement form of unit combination is transferred apart from short with equipment to be excellent, and wherein unit combination is arranged in
In same absolute altitude, equipment transfer distance is most short, most beneficial for the implementation of this method；
(3) each unit and the stopping sequence of stope are U1Cell S1Stope → U2Cell S1Stope →... ... → UmCell S1Stope →
U1Cell S2Stope → U2Cell S2Stope →... ... → UmCell S2Stope →... ... → U1Cell SnStope → U2Cell SnStope
→……→UmCell SnStope；
(4) stope is to fill stope according to technique different demarcation, ore removal stope, and rock drilling stope cuts stope, adopts quasi- stope, this
A little stopes are sequentially arranged in each unit combination stope by stopping sequence, with the propulsion of stopping sequence, stope that ore removal finishes
Carrying out packing job becomes filling stope, and the stope that rock drilling finishes, which carries out the operation of explosion ore removal, becomes ore removal stope, and cutting finishes
Stope carry out rock drilling operation and become rock drilling stope, adopting the quasi- stope finished and carrying out cutting work arrangement becomes cutting stope,
Next blank stope, which adopt quasi- work arrangement, to be become adopting quasi- stope, and stope successively constantly promotes and changes, filling pipe with technique
Also with successively promoting and deploying, each stope is all the stope of independent process for line, scraper, medium-length hole trolley and drill jumbo.
2. gently inclined medium thick orebody multiple-unit according to claim 1 combines intensive mining methods, which is characterized in that institute
It states and adopts quasi- work arrangement specific step is as follows:
(1) level haulage gallery is arranged along orebody trend in ore body lower wall, arrange that vertical ore body is walked every 200m along orebody trend
To level haulage crosscut；
(2) it is open from level haulage gallery and tunnels stope ramp；
(3) from stope ramp every the high 20m opening driving segmentation connecting taxiway that hangs down, and slice drift is arranged along ore body, segmentation is high
20m is spent, every disk on the vertical orebody strike driving filling returnairshaft connecting taxiway to ore body of 100m, and disk center is tunneled on stope
Return air fills chamber, tunnels at the top of filling returnairshaft and stope downwards and penetrates through in return air filling chamber, filling returnairshaft contact
The return air filling that road can satisfy multiple bar shaped stopes requires；
(4) it is corresponded in range in each unit, vertical fragmentation gallery descending grade arranges ore drawing in stope river connection S1、S2…Sn/2Stope,
Stope rock drilling lane is tunneled in ore body lower wall in wherein n/2 round numbers, vertical ore drawing in stope river；To S1、S2…Sn/2Stope mining filling
After, in S1、S2…Sn/2The leveling of caunching of the position in ore drawing in stope river forms Sn/2+1、Sn/2+2…SnOre drawing in stope river, and it is vertical
Stope rock drilling lane is tunneled in ore body lower wall in ore drawing in stope river；
(5) mine chute and mine chute connection roadway are arranged every 200m in slice drift.
3. gently inclined medium thick orebody multiple-unit according to claim 1 combines intensive mining methods, it is characterised in that: institute
The groundwork for stating filling stope is the stope finished using paste filling material filling ore removal；The main work of the ore removal stope
Work is that the quick-fried ore fallen is transported to mine chute using scraper；The groundwork of the rock drilling stope is using long and medium hole drilling
Trolley carries out boring work；The groundwork of the cutting stope is cut using raise boring machine and long and medium hole drilling trolley
Courtyard and cutting groove work；The groundwork for adopting quasi- stope is using drill jumbo driving ore removal river and rock drilling lane.
4. gently inclined medium thick orebody multiple-unit according to claim 1 combines intensive mining methods, it is characterised in that: institute
Stope number n is stated according to ore and rock stability, strength of filling mass and depending on adopting cutting journey arrangement form, usual n is equal to 4 or 6；Institute
It is foundation, usual situation unit number of combinations m >=6 that unit number of combinations m, which is stated, by the time that obturation reaches stability_intensity.
5. gently inclined medium thick orebody multiple-unit according to claim 2 combines intensive mining methods, it is characterised in that: institute
Stating stope ramp is to be arranged one every 600m, is responsible for personnel's material installation transport of left and right 300m ore body；The S1、S2…
Sn/2Ore drawing in stope river is in descending grade, wherein n/2 round numbers, the descending grade gradient≤12%；The Sn/2+1、Sn/2+2…SnOre drawing in stope river
In horizontally disposed；The leveling of caunching, which refers to, falls back country rock using up-hole is quick-fried on the basis of original tunnel, partially goes out
It is leveled up after slag using the quick-fried barren rock fallen and forms new roadway engineering to the absolute altitude of needs；The S1、S2…Sn/2Ore drawing in stope river and
Sn/2+1、Sn/2+2…SnOre drawing in stope river is arranged at an angle with slice drift, is conducive to the ore removal of scraper；It is described to fill back
Ventilating shaft is used for the afterwards filling of stope explosion ventilation and stope；After the afterwards filling refers to stope mining, adopted in connection
Filling counterfort is arranged in the opening of field, and then first filling a part adopts the barren rock that cutting journey generates, and finally uses paste filling material
Carry out Tight filling；The mine chute connection roadway and mine chute needs are corresponding with level haulage crosscut in vertical direction,
The ore of segmentation is set to transfer to level haulage crosscut and transport.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110295908B (en) * | 2019-06-20 | 2020-10-16 | 中南大学 | Mining method for gentle dip medium-thickness ore body in fluctuating sectional roadway |
| CN110259451B (en) * | 2019-06-20 | 2020-11-27 | 中南大学 | Pre-control roof efficient mining method for gently inclined medium-thickness ore body |
| CN110359914B (en) * | 2019-08-19 | 2021-01-15 | 中钢集团马鞍山矿山研究总院股份有限公司 | Safe and low-cost combined sublevel mining method for gently inclined medium-thickness ore body |
| CN110388210B (en) * | 2019-08-19 | 2021-03-09 | 中钢集团马鞍山矿山研究总院股份有限公司 | Stope structure arrangement mode suitable for combined sectional mining of slowly-inclined medium-thickness ore body |
| CN111156018B (en) * | 2019-12-26 | 2021-07-23 | 临沂会宝岭铁矿有限公司 | Drilling device for blasting and method for forming cutting groove of chamber |
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