CN108952713A - Recovery method of scattered minerals in closed-section stope - Google Patents
Recovery method of scattered minerals in closed-section stope Download PDFInfo
- Publication number
- CN108952713A CN108952713A CN201810550159.9A CN201810550159A CN108952713A CN 108952713 A CN108952713 A CN 108952713A CN 201810550159 A CN201810550159 A CN 201810550159A CN 108952713 A CN108952713 A CN 108952713A
- Authority
- CN
- China
- Prior art keywords
- tunnel
- recycling
- mineral
- scattered
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 120
- 239000011707 mineral Substances 0.000 title claims abstract description 120
- 238000011084 recovery Methods 0.000 title claims abstract description 88
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000004064 recycling Methods 0.000 claims description 170
- 238000004880 explosion Methods 0.000 claims description 26
- 239000002699 waste material Substances 0.000 claims description 13
- 238000005422 blasting Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 230000032258 transport Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 241001347978 Major minor Species 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000717 retained effect Effects 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Processing Of Solid Wastes (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a recovery method of scattered minerals in a closed stope, which divides the scattered minerals in the closed stope into a longitudinal left recovery area, a middle recovery area and a right recovery area; respectively vertically arranging a plurality of recovery roadways at positions close to the lower parts of the boundaries at the two sides of the closed section stope, wherein each recovery roadway is communicated with the closed section stope; a bottom recovery roadway is arranged below and parallel to the middle area of the closed-section stope; an upward vertical sector recovery medium-length hole is arranged in each recovery roadway; after the medium-length holes arranged in the recovery roadway are blasted row by row, the recovery roadway is communicated with the boundary of the closed-section stope, and the scattered minerals in the left recovery area and the right recovery area in the closed-section stope flow into the corresponding recovery roadways for recovery; scattered minerals in the middle collecting area flow into a bottom recovery roadway for recovery. The invention realizes the maximum recovery of the scattered minerals in the closed-section stope, the recovery rate of the scattered minerals in the closed-section stope reaches 85 to 92 percent, and the operation safety is ensured.
Description
Technical field
The invention belongs to mining technical fields, and in particular to a kind of section stope that closes is scattered the recovery methods of mineral.
Background technique
Stope is the place that mining mineral uses, and the stope that mining mineral terminates is known as closing a section stope.It is closing in section stope
Usually there are some mineral that are scattered in portion, these mineral that are scattered for good and all are retained in stope, result in waste of resources.
Summary of the invention
It is an object of the invention to for the mineral that are scattered in section stope are closed, provide one kind can recycle to greatest extent it is scattered
Fall the recovery method of mineral.
To achieve the goals above, The technical solution adopted by the invention is as follows: a kind of section stope that closes is scattered the recycling of mineral
Method will close section stope mineral that are scattered and be divided into longitudinal left, center, right recovery zone；A section stope two sides boundary is closed close respectively
Be arranged vertically multiple recycling tunnels at the position of lower part, and each recycling tunnel with close a section stope and be connected；Closing a section stope
Recycle tunnel in the lower section of central region arrangement bottom in parallel；It is disposed in each recycling tunnel into vertical fan-shaped recycling
Deep hole；After being arranged in the medium-length hole explosion by row in recycling tunnel, recycling tunnel is penetrated through with the boundary for closing section stope, closes a section stope
Interior left and right recovery zone whole length range, entire width range, the mineral that are scattered in entire altitude range flow into corresponding return
Tunnel is received, is recycled using ore removal equipment；Receive whole length range, entire width in region, in entire altitude range in middle part
Be scattered mineral flow into bottom recycling tunnel, recycled using ore removal equipment.
A kind of section stope that closes is scattered the recovery methods of mineral, specifically includes the following steps:
Step (1): setting recovery zone:
The mineral that are scattered of section stope will be closed, along entirely close section stope is divided into left recovery zone, middle recovery area from left side to right side
Domain, right recovery zone；
Step (2): setting recycling tunnel:
A arranges right recycling tunnel: being arranged vertically the right side go back to that several are parallel to each other close to section position of stope right margin lower part is closed
It receives tunnel and closes section stope and be interconnected；
B. it arranges left recycling tunnel: being arranged vertically the left side go back to that several are parallel to each other on section lower position of stope left margin close to closing
Tunnel is received to be connected to a section stope is closed；
C. tunnel is recycled in arrangement bottom: the parallel beneath of recovery zone closes a section stope arrangement in closing section stope；
It is arranged in each left and right recycling tunnel and bottom recycling tunnel on several rows to vertical fan-shaped recycling medium-length hole；
Step (3): the way of recycling of each recovery zone:
A. the recycling of left recovery zone: ore removal equipment sequentially enters each left recycling tunnel, takes mine of being scattered into a section stope shovel is closed
There is gap when being scattered between mineral heap and left recycling back in object, and space height reach 300-400mm under the conditions of stop
Shovel takes, and the first row carried out in first left recycling tunnel recycles medium-length hole blasting, continues shovel after explosion and takes, when the mineral heap that is scattered
There is gap between left recycling back and space height reaches and stops shovel under the conditions of 300-400mm and take, until last
It flows back to and receives medium-length hole blasting, shovel takes end；Then the first row carried out in second left recycling tunnel recycles medium-length hole blasting, weight
The multiple above process, until last in the last one left recycling tunnel flows back to receipts medium-length hole blasting, shovel fetches receipts mineral；
B. the recycling of right recovery zone:
Way of recycling of the specific operation process with left recovery zone；
C. the recycling of middle recovery zone:
Explosion bottom recycles the first row in tunnel and recycles medium-length hole, waste scraper to the mine car of avalanche is transported, waste scraper
At the end of, middle recovery zone is scattered in mineral flowing portion's recycling on earth tunnel, and ore removal equipment recycles tunnel shovel by bottom and takes
Mineral scraper to the mine car that is scattered transports, and gap occurs and space height reaches when being scattered between mineral heap and recycling back
Stop shovel under 300-400mm to take, progress is latter to flow back to receipts medium-length hole blasting, takes to shovel taking with mode identical after first row explosion
Waste transports, and then shovel takes mineral, until last flows back to receipts medium-length hole blasting, shovel takes end；It is adopted to which completion entirely closes section
Field is scattered the recycling of mineral.
The invention also includes auxiliary recycling tunnel setting, auxiliary recycling tunnel by right connection roadway, left connection roadway and
Measure tunnel composition；
A arranges right connection roadway:
The right connection roadway of location arrangements below section stope close to right margin lower end is being closed, by right connection roadway by all right times
Receive the right end connection in tunnel；
B arranges left connection roadway:
The left connection roadway of location arrangements below section stope close to left margin lower end is being closed, by left connection roadway by all left times
Receive the left end connection in tunnel；
C. measure tunnel is arranged:
Left connection roadway and right connection roadway are arranged in parallel, opposite between left connection roadway both ends and right connection roadway both ends
It answers, and is connected respectively by measure tunnel.
Talent's well location of the present invention is fresh distinguished and admirable for introducing in one end of right connection roadway and the intersection in measure tunnel；
Mineral drop shaft is located at the intersection of right the connection roadway other end and measure tunnel, takes for ore removal equipment in left and right recycling tunnel shovel
Mineral, storage mineral use are unloaded after mineral, are discharged for ventilating shaft for waste air in the intersection of the measure tunnel and left connection roadway.
Further, the setting haulage drift in parallel on the right side of the recycling tunnel of bottom, and the front end of the two passes through fortune
Defeated connection roadway connection；The rear end of haulage drift is connected to by mineral drop shaft connecting taxiway with mineral drop shaft, the front end of haulage drift
It is connected to by talent's well connecting taxiway with talent's well.
Further, after recycling medium-length hole blasting, the shovel in left and right recycling tunnel and bottom recycling tunnel take,
Closing barricade is respectively set in the end in each left and right recycling tunnel and bottom recycling tunnel.
Preferably, the closing barricade in each left recycling tunnel is C20 concrete, closing gear with a thickness of 1200mm, material
The height of wall is left recycling head-room, and width is the width in left recycling tunnel, among closing barricade, the top in left recycling tunnel
Plate, bottom plate, lateral wall install suspention anchor pole respectively.
Preferably, a section stope is vertically closed in left and right recycling tunnel, several adjacent spacing of parallel arrangement are 10 meters,
3 × 3 meters of the section in each tunnel2。
Preferably, recycling tunnel in bottom is parallel with the position of center line of middle recovery zone bottom surface, and section is 3 × 3
Rice2。
Preferably, talent's well, ventilating shaft section be 3 × 2 meters2, the section of mineral drop shaft is circle, and diameter is 3 meters.
The invention has the following advantages: the present invention recycles the recvery facilities such as tunnel, recycling medium-length hole by setting, sets
The auxiliary recvery facility such as talent's well, ventilating shaft, mineral drop shaft, haulage drift is set, setting left, center, right recovery zone mode realizes
The recycling to greatest extent for closing the mineral that are scattered in section stope, the mineral recovery rate that is scattered closed in section stope reaches 85-92%, and protects
Operation safety is demonstrate,proved.Recycling is obtained the invention enables the mineral that are scattered closed in section stope and is utilized, and is brought preferably for mine
Economic benefit and social benefit.It is specific as follows:
1. the present invention has got through the recovery approach for closing the mineral that are scattered in section stope, it may be assumed that by a plurality of left and right recycling tunnel and close section
The channel for closing mineral recycling of being scattered in section stope has been got through in stope connection, and ore removal equipment can be by left and right recycling tunnel, directly
It taps into and takes the mineral that are scattered into closing section stope shovel.
2. the present invention expands recycling range, created condition sufficiently to recycle the mineral that are scattered.It is arranged in left and right recycling lane
After medium-length hole blasting in road, left and right recycling tunnel and left and right end wall boundary are penetrated through, left and right recovery zone whole length, whole
The mineral that are scattered in a width, entire altitude range can flow into left and right recycling tunnel, can sufficiently recycle left and right recovery area
The mineral that are scattered within the scope of domain；After being arranged in the medium-length hole blasting in the recycling tunnel of bottom, bottom recycling tunnel is passed through with lower boundary
Logical, middle recovery zone whole length, entire width, the mineral that are scattered in entire altitude range can flow into bottom recycling tunnel,
The mineral that are scattered in can sufficiently recycling within the scope of recovery zone.
3. the present invention for be scattered mineral recycling provide safe practice guarantee, it may be assumed that firstly, by arrange talent's well, ventilating shaft,
The ventilating system that the equipment such as blower, facility form left, center, right region, close mineral recycling of being scattered in section stope, to be scattered, mineral are returned
It receives and safety guarantee is provided.Be scattered in section stope mineral storage, transport, the technical guarantee promoted are closed secondly, providing, passes through arrangement
The facilities such as mineral drop shaft, mineral drop shaft connecting taxiway, haulage drift, haulage drift connecting taxiway, ore removal equipment shovel, which takes, to be closed in section stope
The mineral that are scattered after be unloaded to mineral drop shaft, using mine car load mineral drop shaft in store mineral, transported by haulage drift
Major-minor well is promoted to earth's surface by major-minor well.
4. way of recycling of the invention has the effect that (1) realizes and recycles dissipating in whole region to the maximum extent
Fall mineral.That is: by taking the way of recycling for stopping shovel when the mineral that are scattered pile up recycling back exposure dead zone and taking, when scattered
It falls mineral heap not and can persistently shovel in the case where recycling back exposure dead zone the mode taken and recycle left, center, right recycling
The mineral that are scattered in region.(2) recycled in its entirety effect is optimal.That is: it can be directly entered left and right time by ore removal equipment before explosion
It receives region shovel and takes the mineral that are scattered.The recycling width of left and right recovery zone is gradually expanded after explosion until left and right boundary, left,
In, realize in right recovery zone whole length, entire width, entire altitude range and recycle to the maximum extent, recycled in its entirety effect
Fruit is optimal.
Detailed description of the invention
Fig. 1 is main view of the invention；
Fig. 2 is the A-A direction view of Fig. 1 of the present invention；
Fig. 3 is the B-B direction view of Fig. 1 of the present invention；
Fig. 4 is that barricade schematic diagram is closed in left recycling tunnel of the invention.
In figure: 1. close a section stope, 2. left margins, 3. right margins, 4. left recovery zones, 5. right recovery zones, recycle in 6.
Region, 7. right recycling tunnels, 8. left recycling tunnels, 9. bottoms recycling tunnel, 10. recycling medium-length holes, 11. left connection roadways, 12.
Right connection roadway, 13. lower boundaries, 14. right end wall boundaries, 15. talent's wells, 16. mineral drop shafts, 17. ventilating shafts, 18. measure tunnels,
19. be scattered mineral, 20. anchor poles, 21. concrete, 22. dead zones, 23. closing barricades, 24. left end wall boundaries, 25. haulage drifts,
26. transporting connection roadway, 27. talent's well connecting taxiways, 28. mineral drop shaft connecting taxiways.
Specific embodiment
Invention is further described in detail for explanation with reference to the accompanying drawing.
One kind closing a section stope and is scattered mineral recovering methods, specifically includes the following steps:
Step (1): setting recovery zone: the mineral 19 that are scattered of section stope 1 will be closed, as shown in Figure 1, along entirely close section stope 1 from
Left side is divided into left recovery zone 4, middle recovery zone 6, right recovery zone 5 to right side；
Step (2): setting recycling tunnel:
A. right recycling tunnel 7 is arranged:
As shown in Figure 2,3, several right recycling lanes being parallel to each other are arranged vertically close to the position for closing 1 right margin of section stope, 3 lower part
Road 7 is interconnected with section stope 1 is closed, and arranges on several rows in each right recycling tunnel 7 and recycle medium-length hole 10 to vertical sector,
That is: it is right recycling tunnel 7 in from be scattered 19 heap of mineral to close 1 right margin 3 of section stope length range (as shown in figure 3, include 5
A right recycling tunnel 7), from recycling 7 top plate of tunnel to right 14 altitude range of end wall boundary, width be to be arranged in 10 meters of region.
B. left recycling tunnel 8 is arranged:
The left recycling tunnel 8 that several are parallel to each other is arranged vertically on the lower position for closing 1 left margin 2 of section stope to adopt with section is closed
Field 1 is connected to, and is arranged on several rows in each left recycling tunnel 8 to vertical fan-shaped recycling medium-length hole 10, it may be assumed that in left recycling tunnel
In 8 from be scattered 19 heap of mineral to close 1 left margin of section stope, 2 length range (as shown in Fig. 2, including 5 left recycling tunnels 8), from time
Receive arrangement in 8 top plate of tunnel to left 24 altitude range of end wall boundary, the width range that width is 10 meters.
C. tunnel 9 is recycled in arrangement bottom:
Close the lower section of recovery zone 6 in section stope 1, it may be assumed that tunnel 9 is recycled in the lower section setting bottom of middle 6 lower boundary 13 of recovery zone,
Bottom recycling tunnel 9 is arranged on several rows to vertical fan-shaped recycling medium-length hole 10, it may be assumed that closes a section stope in the recycling tunnel 9 of bottom
1 length range, from recycling 9 top plate of tunnel to 13 altitude range of lower boundary, width be middle recovery zone 6 width range.
As shown in Fig. 2, section stope 1 is vertically closed in left and right recycling tunnel, and be arranged in parallel between several, it is adjacent between
Spacing is 10 meters, 3 × 3 meters of section of each tunnel2；As shown in figure 3, the arrangement of section stope 1 is closed in bottom recycling tunnel 9 in parallel, and
Parallel with the position of center line of middle 6 bottom surface of recovery zone, section is 3 × 3 meters2。
Step (3): setting auxiliary recycling tunnel
A arranges right connection roadway 12:
The right connection roadway 12 of location arrangements below section stope 1 close to right margin lower end is being closed, as shown in Fig. 2, passing through right contact
The right end in all right recycling tunnels 7 is connected to by tunnel 12.
B arranges left connection roadway 11:
The left connection roadway 11 of location arrangements below section stope 1 close to left margin lower end is being closed, as shown in Fig. 2, passing through Left-wing Federation's network
The left end in all left recycling tunnels 8 is connected to by tunnel 11.
C. measure tunnel 18 is arranged:
Left connection roadway 11 is (as shown in Fig. 2, parallel with section stope 1 is closed) arranged in parallel with right connection roadway 12, the Left-wing Federation
It is corresponding between 11 both ends of network tunnel and right 12 both ends of connection roadway, and be connected respectively by measure tunnel 18；
D. the setting of talent's well 15, mineral drop shaft 16, ventilating shaft 17:
In the both ends of right connection roadway 12, wherein talent is arranged in one end of right connection roadway 12 and the intersection in measure tunnel 18
Well 15 is fresh distinguished and admirable for introducing, it may be assumed that in 15 bottom of talent's well, installation blower distinguished and admirable guides to left and right recycling tunnel for fresh.It is right
Mineral drop shaft 16 is arranged in the intersection in 12 other end of connection roadway and measure tunnel 18, for ore removal equipment in left and right recycling tunnel
Shovel unloads mineral after taking mineral, storage mineral use, and is provided with the measure tunnel 18 of mineral drop shaft 16 in the measure tunnel 18()
Ventilating shaft 17 is set with the intersection of left connection roadway 11, is discharged for waste air, it may be assumed that installing blower at 17 population of ventilating shaft will be left and right
The waste air that recycling tunnel generates guides to the discharge of ventilating shaft 17.
Talent's well 15, ventilating shaft 17 section be 3 × 2 meters2, the section of mineral drop shaft 16 is circle, diameter is 3 meters.
E., haulage drift 25 and its connection roadway with talent's well 15, mineral drop shaft 16 are set:
As shown in Figure 1, in 9 right side setting haulage drift 25 in parallel of bottom recycling tunnel, and the front end of the two passes through fortune
Defeated connection roadway 26 is connected to；The rear end of haulage drift 25 is connected to by mineral drop shaft connecting taxiway 28 with mineral drop shaft 16, transportation roadway
The front end in road 25 is connected to by talent's well connecting taxiway 27 with talent's well 15.
3 × 3 meters of 25 section of haulage drift2, transport 3 × 3 meters of 26 section of connection roadway2, 27 section 2 × 3 of talent's well connecting taxiway
Rice2, 3 × 3 meters of 28 section of mineral drop shaft connecting taxiway2。
Step (4): the way of recycling of each recovery zone is set:
A. the recycling of left recovery zone:
Ore removal equipment sequentially enters each left recycling tunnel 8, the mineral 19 that are scattered is taken into the shovel of section stope 1 is closed, when the mineral 19 that are scattered
Occurs gap between heap and left 8 top plate of recycling tunnel, and space height reaches and stops shovel under the conditions of 300-400mm and take, such as Fig. 2 institute
Show, the first row carried out in first left recycling tunnel 8 recycles 10 explosion of medium-length hole, continues shovel after explosion and takes, when the mineral that are scattered
There is gap between 19 heaps and left 8 top plate of recycling tunnel and space height reaches and stops shovel under the conditions of 300-400mm and take, until most
It is latter flow back to receive 10 explosion of medium-length hole, shovel take end；Then the first row carried out in second left recycling tunnel 8 recycles medium-length hole
10 explosions, repeat the above process, until last in the last one left recycling tunnel 8 flows back to and receive 10 explosion of medium-length hole, shovel is taken
Recycle mineral.
B. the recycling of right recovery zone:
Ore removal equipment sequentially enters each right recycling tunnel 7, the mineral 19 that are scattered is taken into the shovel of section stope 1 is closed, when the mineral 19 that are scattered
Occurs gap between heap and right 7 top plate of recycling tunnel, and space height reaches and stops shovel under the conditions of 300-400mm and take, such as Fig. 2 institute
Show, the first row carried out in first right recycling tunnel 7 recycles 10 explosion of medium-length hole, and specific operation process is the same as left recovery zone
Way of recycling, until last in the last one right recycling tunnel 7 flows back to and receive 10 explosion of medium-length hole, shovel fetches receipts mineral.
C. the recycling of middle recovery zone:
First row recycling medium-length hole 10 in the recycling tunnel 9 of explosion bottom is passed through by the waste scraper of avalanche to mine car by mine car
Transport connecting taxiway 26, haulage drift 25 transport, and at the end of waste scraper, close the mineral 19 that are scattered of recovery zone 6 in section stope 1
It flow in the recycling tunnel 9 of bottom, ore removal equipment, which by bottom recycles tunnel 9, shovels to take and close recovery zone 6 in section stope 1 and be scattered mine
19 scraper of object is transported by mine car by transport connection roadway 26, haulage drift 25 to mine car.
There is gap and space height reaches 300-400mm condition when being scattered between 19 heap of mineral and recycling 9 top plate of tunnel
Lower stopping shovel taking, and carries out latter flow back to and receives 10 explosion of medium-length hole.It takes to shovel with mode identical after first row explosion and takes waste, mine
Object, until last flows back to receipts 10 explosion of medium-length hole, shovel takes end;
Closed end is arranged in step (5):
After recycling medium-length hole blasting, the shovel in left and right recycling tunnel and bottom recycling tunnel 9 take, in each left and right recycling
Closing barricade 23 is respectively set in the end in tunnel and bottom recycling tunnel.
The closing barricade 23 in each left recycling tunnel is C20 concrete with a thickness of 1200mm, material, as shown in figure 4, envelope
The height for closing barricade 23 is left recycling head-room, and width is the width in left recycling tunnel, closing barricade 23 is intermediate, left recycling
The top plate and bottom plate in tunnel 8, lateral wall install suspention anchor pole 20.The closing barricade that tunnel 9 is recycled in right recycling tunnel 7, bottom is same as above.
Claims (10)
1. a kind of section stope that closes is scattered the recovery methods of mineral, it is characterised in that: a section stope (1) will be closed and be scattered mineral (19) division
For longitudinal left, center, right recovery zone；It is arranged vertically at the close position for closing a section stope (1) two sides boundary lower part respectively multiple
Recycle tunnel, and each recycling tunnel with close a section stope (1) and be connected；Closing, section lower section of stope central region is in parallel
Arrange bottom recycling tunnel (9)；It is disposed in each recycling tunnel to vertical fan-shaped recycling medium-length hole (10)；It is arranged in recycling
After medium-length hole explosion by row in tunnel, recycling tunnel is penetrated through with the boundary for closing section stope, closes left and right recovery zone in section stope
Whole length range, entire width range, the mineral that are scattered in entire altitude range flow into corresponding recycling tunnel, use ore removal
Equipment is recycled；It receives whole length range in region, entire width, the mineral that are scattered in entire altitude range and flows into bottom in middle part
Portion recycles tunnel, is recycled using ore removal equipment.
2. a kind of section stope that closes according to claim 1 is scattered the recovery methods of mineral, it is characterised in that: specifically include with
Lower step:
Step (1): setting recovery zone:
The mineral that are scattered (19) of section stope will be closed, along entirely close a section stope (1) is divided into left recovery zone from left side to right side
(4), middle recovery zone (6), right recovery zone (5)；
Step (2): setting recycling tunnel:
It arranges right recycling tunnel (7): being arranged vertically several close to the position for closing a section stope (1) right margin (3) lower part and be parallel to each other
Right recycling tunnel (7) and close a section stope (1) be interconnected；
It arranges left recycling tunnel (8): it is mutually flat to be arranged vertically several on the lower position for closing a section stope (1) left margin (2)
Capable left recycling tunnel (8) is connected to a section stope (1) is closed；
Arrangement bottom recycling tunnel (9): the parallel beneath of recovery zone (6) closes a section stope (1) arrangement in closing a section stope (1)；
To vertical fan-shaped recycling medium-length hole on several rows of arrangement in each left and right recycling tunnel and bottom recycling tunnel (9)
(10)；
Step (3): the way of recycling of each recovery zone:
The recycling of left recovery zone: ore removal equipment sequentially enters each left recycling tunnel (8), into close a section stope (1) shovel take it is scattered
Mineral (19) are fallen, when there is gap between the mineral that are scattered (19) heap and left recycling tunnel (8) top plate, and space height reaches 300-
Stop shovel under the conditions of 400mm to take, the first row carried out in first left recycling tunnel (8) recycles medium-length hole (10) explosion, explosion
After continue shovel and take, when there is gap between the mineral that are scattered (19) heap and left recycling tunnel (8) top plate and space height reaches 300-
Stop shovel under the conditions of 400mm to take, until last flows back to receipts medium-length hole (10) explosion, shovel takes end；Then second left side is carried out
The first row recycled in tunnel (8) recycles medium-length hole (10) explosion, repeats the above process, until the last one left recycling tunnel
(8) last in flows back to receipts medium-length hole (10) explosion, and shovel fetches receipts mineral；
The recycling of right recovery zone:
Way of recycling of the specific operation process with left recovery zone；
C. the recycling of middle recovery zone:
Explosion bottom recycles the first row in tunnel (9) and recycles medium-length hole (10), and waste scraper to the mine car of avalanche is transported, and gives up
At the end of object scraper, the mineral that are scattered (19) of middle recovery zone (6) are flow in bottom recycling tunnel (9), and ore removal equipment passes through
Bottom recycling tunnel (9) shovel takes the mineral that are scattered (19) scraper to mine car to transport, when the mineral that are scattered (19) heap and recycling tunnel (9)
Occur gap between top plate and space height reach under 300-400mm stop shovel taking, carry out it is latter flow back to receive medium-length hole (10) it is quick-fried
It is broken, take to shovel that waste being taken to transport with mode identical after first row explosion, then shovel takes mineral, until last flows back in receipts deeply
Hole (10) explosion, shovel take end；It is scattered the recycling of mineral to complete entirely to close section stope.
3. a kind of section stope that closes according to claim 1 or 2 is scattered the recovery methods of mineral, it is characterised in that: further include
The setting in auxiliary recycling tunnel, auxiliary recycling tunnel is by right connection roadway (12), left connection roadway (11) and measure tunnel (18)
Composition；
A arranges right connection roadway (12):
The right connection roadway of location arrangements (12) below a section stope (1) close to right margin lower end is being closed, right connection roadway is passed through
(12) right end of all right recycling tunnel (7) is connected to；
B arranges left connection roadway (11):
The left connection roadway of location arrangements (11) below a section stope (1) close to left margin lower end is being closed, left connection roadway is passed through
(11) left end in all left recycling tunnels is connected to；
C. measure tunnel (18) are arranged:
Left connection roadway (11) and right connection roadway (12) are arranged in parallel, left connection roadway (11) both ends and right connection roadway
(12) corresponding between both ends, and be connected respectively by measure tunnel (18).
4. a kind of section stope that closes according to claim 3 is scattered the recovery methods of mineral, it is characterised in that: talent's well (15)
It is fresh distinguished and admirable for introducing positioned at one end of right connection roadway (12) and the intersection of measure tunnel (18)；Mineral drop shaft (16)
Positioned at the intersection of right connection roadway (12) other end and measure tunnel (18), taken for ore removal equipment in left and right recycling tunnel shovel
Mineral, storage mineral use are unloaded after mineral, are ventilating shaft in the intersection of the measure tunnel (18) and left connection roadway (11)
(17) it is discharged for waste air.
5. a kind of section stope that closes according to claim 4 is scattered the recovery methods of mineral, it is characterised in that: recycled in bottom
Setting haulage drift (25) in parallel on the right side of tunnel (9), and the front end of the two passes through transport connection roadway (26) connection；Fortune
The rear end of defeated tunnel (25) is connected to by mineral drop shaft connecting taxiway (28) with mineral drop shaft (16), and the front end of haulage drift (25) is logical
Talent's well connecting taxiway (27) is crossed to be connected to talent's well (15).
6. a kind of section stope that closes according to claim 5 is scattered the recovery methods of mineral, it is characterised in that: at left and right time
After the recycling medium-length hole blasting of receipts tunnel and bottom recycling tunnel (9), shovel take, in each left and right recycling tunnel and bottom
Closing barricade (23) is respectively set in the end in recycling tunnel.
7. a kind of section stope that closes according to claim 6 is scattered the recovery methods of mineral, it is characterised in that: each left recycling
The closing barricade (23) in tunnel is C20 concrete with a thickness of 1200mm, material, and the height of closing barricade (23) is left recycling lane
Road height, width are the width in left recycling tunnel, top plate and bottom plate, lateral wall point in intermediate, the left recycling tunnel of closing barricade (23)
Suspention anchor pole (20) is not installed.
8. according to claim 1, a kind of section stope that closes described in 6 or 7 is scattered the recovery methods of mineral, it is characterised in that: left,
Right recycling tunnel is vertically closed a section stope (1), several adjacent spacing of parallel arrangement are the section 3 of 10 meters, each tunnel
× 3 meters2。
9. a kind of section stope that closes according to claim 8 is scattered the recovery methods of mineral, it is characterised in that: bottom recycling lane
Road (9) is parallel with the position of center line of middle recovery zone (6) bottom surface, and section is 3 × 3 meters2。
10. a kind of section stope that closes according to claim 4,5,6 or 7 is scattered the recovery methods of mineral, feature exists
In the section of: talent's well (15), ventilating shaft (17) be 3 × 2 meters2, the section of mineral drop shaft (16) is circle, and diameter is 3 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810550159.9A CN108952713B (en) | 2018-05-31 | 2018-05-31 | Recovery method of scattered minerals in closed-section stope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810550159.9A CN108952713B (en) | 2018-05-31 | 2018-05-31 | Recovery method of scattered minerals in closed-section stope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108952713A true CN108952713A (en) | 2018-12-07 |
| CN108952713B CN108952713B (en) | 2019-12-27 |
Family
ID=64492689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810550159.9A Active CN108952713B (en) | 2018-05-31 | 2018-05-31 | Recovery method of scattered minerals in closed-section stope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108952713B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101403304A (en) * | 2008-10-30 | 2009-04-08 | 昆明理工大学 | Large dead zone residual ore recovery method |
| CN102155228A (en) * | 2011-02-21 | 2011-08-17 | 中南大学 | Fully-segmented presplitting squeezing primary-blasting mining method |
| CN102733808A (en) * | 2012-07-09 | 2012-10-17 | 薛世忠 | Closed pit open-pit mine ore recovery method |
| CN104727820A (en) * | 2015-04-07 | 2015-06-24 | 长沙有色冶金设计研究院有限公司 | Two-step sublevel open-stop and delayed filling mining method |
| CN104847355A (en) * | 2015-05-15 | 2015-08-19 | 西北矿冶研究院 | Continuous mining method for hollow ground of medium-thickness steeply inclined ore body |
| CN104895566A (en) * | 2015-06-15 | 2015-09-09 | 武汉科技大学 | Mining method with residual ore recovery function |
-
2018
- 2018-05-31 CN CN201810550159.9A patent/CN108952713B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101403304A (en) * | 2008-10-30 | 2009-04-08 | 昆明理工大学 | Large dead zone residual ore recovery method |
| CN102155228A (en) * | 2011-02-21 | 2011-08-17 | 中南大学 | Fully-segmented presplitting squeezing primary-blasting mining method |
| CN102733808A (en) * | 2012-07-09 | 2012-10-17 | 薛世忠 | Closed pit open-pit mine ore recovery method |
| CN104727820A (en) * | 2015-04-07 | 2015-06-24 | 长沙有色冶金设计研究院有限公司 | Two-step sublevel open-stop and delayed filling mining method |
| CN104847355A (en) * | 2015-05-15 | 2015-08-19 | 西北矿冶研究院 | Continuous mining method for hollow ground of medium-thickness steeply inclined ore body |
| CN104895566A (en) * | 2015-06-15 | 2015-09-09 | 武汉科技大学 | Mining method with residual ore recovery function |
Non-Patent Citations (1)
| Title |
|---|
| 王建军等: "深部铜矿残矿回收实践", 《中国矿山工程》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108952713B (en) | 2019-12-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107869349B (en) | A kind of mechanized mining method of gently inclined medium thick orebody | |
| CN108625856B (en) | Mining method for one ore removal roadway of two adjacent stopes of underground mine | |
| CN107178366B (en) | A kind of stoping method of column ore body | |
| CN106640106A (en) | Mining whole-section hard rock tunneling machine and circulative tunneling method | |
| CN105041314A (en) | Method for united mining of deep subsequent stoping chamber and layered stoping jamb | |
| CN104632220B (en) | Mining method with adjustable and controllable structure size of gentle dip medium-thickness ore body strip column reconstructed stope | |
| CN105422102B (en) | A kind of vertical medium-length hole ore blast subsection access back-filling method | |
| CN108104869A (en) | A kind of continuous stoping method of mining by the way of filling of gently inclined medium thick orebody | |
| CN112682041B (en) | Filling mining method for broken and slowly-inclined thick and large ore body of upper disc | |
| CN109252863B (en) | Method for exploiting broken thick ore body by using coal roadway tunneling machine | |
| CN112012744A (en) | Comprehensive mechanized ore breaking layered filling mining method | |
| CN104343453B (en) | Thick mineral deposit filling mining method in a kind of low-angle dip | |
| CN110295907B (en) | Layered caving mining method and stope for broken thin ore body horizontal deep hole stage | |
| CN106223955B (en) | Rhombic bench cemented filling mining method | |
| CN104179505A (en) | Phosphorus ore underground mining method | |
| CN107654232B (en) | The moat ditch collection mine mining methods of inclined orebody | |
| CN109899070A (en) | Gently inclined medium thick orebody based on spheroid Ore drawing structure is without the solid waste method of mining by the way of filling | |
| CN108952713A (en) | Recovery method of scattered minerals in closed-section stope | |
| CN104989402A (en) | Medium-deep hole room pillar mining method for limestone underground mine mining | |
| CN109339790B (en) | Mining method of medium-thickness gently-inclined broken ore body | |
| CN116677444A (en) | Ventilating structure and ventilating method for downward access filling mining | |
| CN115163074B (en) | Method for recycling top column and middle column in bottom column-free shallow hole ore-reserving subsequent filling mining method | |
| CN113944464B (en) | Coal mining method of corner coal full-negative-pressure continuous miner | |
| CN115450625A (en) | Stope block type mining method for gently inclined thin ore body under condition of broken roof | |
| RU2720040C1 (en) | Combined method of high-capacity bin boring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |