CN103790590B - Transitional period down-hole, open air trestle mine flood prevention and controls - Google Patents
Transitional period down-hole, open air trestle mine flood prevention and controls Download PDFInfo
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- CN103790590B CN103790590B CN201410027231.1A CN201410027231A CN103790590B CN 103790590 B CN103790590 B CN 103790590B CN 201410027231 A CN201410027231 A CN 201410027231A CN 103790590 B CN103790590 B CN 103790590B
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- 230000002265 prevention Effects 0.000 title claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 42
- 238000005065 mining Methods 0.000 claims abstract description 32
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 18
- 239000011707 mineral Substances 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 230000007704 transition Effects 0.000 claims abstract description 15
- 230000009466 transformation Effects 0.000 claims abstract description 5
- 238000003860 storage Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 238000005553 drilling Methods 0.000 description 5
- 239000011435 rock Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000005442 atmospheric precipitation Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
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Abstract
The invention discloses transitional period down-hole, a kind of open air trestle mine flood prevention and controls, is divided into strip mining transformation stage (1), open air trestle transition stage (2), underground mining stage (3) the mining stage.Rotatably descend transition stage (2) to be further subdivided in the open and be connected production stage casing (4), emergent stage casing (5).Mineral building (13) and ore pillar (14) is evenly divided, first rooming (13) lower floor ore body in emergent stage casing (5); In mineral building (13), dig upwards drainage sump (6) be connected production stage casing (4) and link up, after in emergent stage casing (5), multiple mineral building (13) back production terminates, namely the place of down-hole rainwater during defining gushing water, when heavy rain season arrives, rainwater pours in the mineral building (13) of emergent stage casing (5), main sump is flowed into by drainage sump (12), then safe location, earth's surface is drained into through water pump, thus solve a difficult problem for heavy rain open air trestle in season mine transitional period down-hole guarded drainage scarce capacity, for the transition of open air trestle mine safety provides guarantee.
Description
Technical field
The present invention relates to open air trestle production technique, be specifically related to open air trestle exploitation transitional period in underground mining flood administer safeguard technology.Can extensive use in the non-coal solid mine open air trestle exploitations such as black, coloured, gold.
Background technology
Open air trestle mine is in order to maintain mine smooth transition within the transitional period, and most mine adopts combined surface and underground mining.Down-hole adopts Mining by caving method to cause, and surface subsidence is direct and open-air pit is through, the open-air pit of depression forms huge catchment area, in heavy rain season, a large amount of rainwater flows into underground mining stope via the roadway communicated with open-air pit and bed course space, lead to and flood well accident, transitional period flood prevention is a very important problem.
" discussion of open air trestle mining flood control and water drain " that phase in " metallurgical mine design and construction " May the 3rd in 1997 delivers, deliver " technique of preparing net " on August 16th, 2008 " open air trestle ventilates between the productive life, cold-proof and flood control " and " open air trestle exploit afterwards atmospheric precipitation disaster preventing techniques study " article of delivering of " energy technology and management " the 5th phase in 2011, all highlight the importance of open air trestle mine transitional period flood control and water drain, and refer to the flood control and water drain measure taked in some mines, as: boundary excavates Cut-off ditch outward in the open, surface water beyond Opent-pit limit and surface rock changing of the relative positions boundary line is drawn, the security platform of cheating in the open establishes the pumping plant that dams, the charge for remittance in open-air pit is displaced into beyond open-air pit and changing of the relative positions boundary, in the tunnel that down-hole is suitable (developing of general next stage and development heading), the water dam of apparatus, with regulation gate valve, the lower water pump in hole should be arranged in the top bench being easy to catchment as far as possible, etc.But lead off at heavy rain rainwater in season instantaneous time, earth's surface waterproof and drain measure is difficult to stop, sump volume, the drainage plant ability of down-hole are also limited, by rainwater storage or earth's surface cannot be discharged, flood that well accident is more difficult to be avoided.
Summary of the invention
Object of the present invention is exactly the above-mentioned defect for existing in prior art, and provides one to be suitable for transitional period down-hole, open air trestle mine flood prevention and controls, and this technology can realize the transitional safe working of open air trestle.
For realizing above-mentioned purpose of the present invention, transitional period down-hole, open air trestle mine of the present invention flood prevention and controls is realized by following scheme:
1) the mining stage is divided into strip mining transformation stage, open air trestle transition stage, underground mining stage.
Described open air trestle transition stage be further subdivided into and be connected production stage casing, emergent stage casing, emergent stage casing is positioned at the bottom being connected production stage casing; When mining phase enters latter stage in the open, start to build underground Development system to being connected production stage casing, the system of the mining phase that goes underground completely, can complete in linking stages manufacturing process.Described linking production stage casing by be connected stage casing development drift and main shaft through; Build accessory system being connected the side lower part of production stage casing near main shaft, be connected stage casing development drift by the blind inclined shaft of accessory system or perpendicular blind shaft, emergent stage casing development drift and emergent stage casing through.
2) in emergent stage casing, evenly divide mineral building and ore pillar according to 14-16m, first rooming lower floor 19-21m height ore body, ore pillar wouldn't be exploited.
3) in mineral building, dig upwards drainage sump be connected production stage casing and link up, after in emergent stage casing, multiple mineral building back production terminates, the storage house of down-hole rainwater during namely this stage casing defines gushing water, installs airtight waterproof door in the emergent stage casing development drift of accessory system.
4) when heavy rain season arrives, rainwater pours in through through channel and is connected production stage casing, then flows into emergent stage casing through drainage sump; After linking production stage casing back production terminates, underground mining Development system also completes substantially, now rainwater in emergent stage casing can be flowed into by drainage sump, underground mining stage development drift the main sump divided into by amount, then drain into safe location, earth's surface through water pump.
The height of described open air trestle transition stage is advisable with 100m ~ 120m, is connected the height in production stage casing in 60m ~ 80m scope.
The height in the emergent stage casing in described open air trestle transition stage is good with 40m, and mineral building, ore pillar width 15m are good, and rooming lower floor ore body height is 20m.
Transitional period down-hole, open air trestle mine of the present invention flood prevention and controls has following good effect by above technical scheme:
1) dead zone formed after ore body back production in emergent stage casing is as the storage house of water burst during gushing water, and this volume is far longer than shaft sump volume, for underground mining provides safety guarantee;
2) in the open air trestle transitional period, underground mining method choice leeway is strengthened, and without the need to considering that flood affects, and abandons the larger Caving Method with Large Space of production capacity.
Accompanying drawing explanation
Fig. 1 is transitional period down-hole, open air trestle mine of the present invention flood prevention and controls schematic diagram.
Be labeled as in figure:
1-strip mining transformation stage; 2-open air trestle transition stage; 3-underground mining stage; 4-be connected production stage casing; 5-emergent stage casing; 6-drainage sump; 7-rock drilling lane/moat ditch; 8-rock drilling lane; 9-ore removal lane; 10-water door; 11-blind inclined shaft; 12-drainage sump; 13-mineral building; 14-ore pillar; 15-be connected stage casing development drift; 16-emergent stage casing development drift; 17-underground mining stage development drift.
Detailed description of the invention
For further describing the present invention, below in conjunction with accompanying drawing, transitional period down-hole, open air trestle mine of the present invention flood prevention and controls is described in further detail.
The schematic diagram of transitional period down-hole, the open air trestle mine flood prevention and controls shown in Fig. 1 is found out, open air trestle mine is divided into three phases by the present invention: strip mining transformation stage 1, open air trestle transition stage 2, underground mining stage 3.Rotatably descend transition stage to be divided into again in the open and be connected production stage casing 4 and emergent stage casing 5, emergent stage casing 5 is positioned at the bottom being connected production stage casing 4.Emergent stage casing 5 is highly 40m, and being connected production stage casing 4 is highly 60m ~ 80m.
Before mining phase 1 closes hole in the open, start to build Underground Mining System to being connected production stage casing 4, being connected the side lower part construction accessory system of production stage casing 4 near main shaft, be connected stage casing development drift 15 through with emergent stage casing 5 by the blind inclined shaft 11 of accessory system, emergent stage casing development drift 16.
In emergent stage casing 5, mineral building 13 and ore pillar 14 is evenly divided according to 15m, first in the higher slice rock drilling lane of mineral building 13, correct position is dug drainage sump 6 and is connected production stage casing 4 and links up, then dig cutting well in the end of mineral building 13 and cut lane as compensation space during back production, in rock drilling lane 7 on Drilling to fanhole(s) back production lower floor ore body, adopt lower ore body to transport through the ore removal lane 9 being positioned at junction bottom mineral building 13, ore pillar 14, ore pillar 14 wouldn't be exploited.
After in emergent stage casing 5, in all mineral buildings 13, lower floor's ore body back production terminates, the storage house of down-hole rainwater during namely this stage casing defines gushing water, installs airtight waterproof door 10 at the correct position of the emergent stage casing development drift 16 of accessory system.When heavy rain season arrives, rainwater pours in through through channel and is connected production stage casing 4, then flows into emergent stage casing through drainage sump 6.After linking production stage casing 4 back production terminates, underground mining Development system also completes substantially, now rainwater in emergent stage casing can be flowed into by drainage sump 12, underground mining stage development drift 17 main sump divided into by amount, then drain into safe location, earth's surface through water pump.
Claims (3)
1. an open air trestle mine transitional period down-hole flood prevention and controls, is divided into strip mining transformation stage (1), open air trestle transition stage (2), underground mining stage (3) by the mining stage, it is characterized in that by the following technical solutions:
1) described open air trestle transition stage (2) is further subdivided into linking production stage casing (4), emergent stage casing (5), emergent stage casing (5) is positioned at the bottom being connected production stage casing (4); When mining phase (1) enters latter stage in the open, start to build underground Development system to being connected production stage casing (4), described linking production stage casing (4) is through with main shaft by being connected stage casing development drift (15); Being connected the side lower part construction accessory system of production stage casing (4) near main shaft, be connected stage casing development drift (15) through with emergent stage casing (5) by blind inclined shaft (11) or the perpendicular blind shaft of accessory system, stage casing development drift (16) of meeting an urgent need;
2) in emergent stage casing (5), evenly divide mineral building (13) and ore pillar (14) according to 14-16m, first rooming (13) lower floor 19-21m height ore body, ore pillar (14) wouldn't be exploited;
3) in mineral building (13), dig upwards drainage sump (6) be connected production stage casing (4) and link up, after in emergent stage casing (5), multiple mineral building (13) back production terminates, the storage house of down-hole rainwater during namely this stage casing defines gushing water, installs airtight waterproof door (10) in emergent stage casing development drift (16) of accessory system;
4) when heavy rain season arrives, rainwater pours in through through channel and is connected production stage casing (4), then flows into emergent stage casing (5) through drainage sump (6); After linking production stage casing (4) back production terminates, underground mining Development system also completes substantially, now emergent stage casing (5) interior rainwater can be flowed into by drainage sump (12), underground mining stage development drift (17) main sump divided into by amount, then drain into safe location, earth's surface through water pump.
2. transitional period down-hole, open air trestle mine as claimed in claim 1 flood prevention and controls, is characterized in that: the height of described open air trestle transition stage (2) is 100m ~ 120m, and the height being connected production stage casing (4) is 60m ~ 80m.
3. transitional period down-hole, open air trestle mine as claimed in claim 1 or 2 flood prevention and controls, it is characterized in that: the height in the emergent stage casing (5) in described open air trestle transition stage (2) is 40m, mineral building (12), ore pillar (13) width are all 15m, and rooming (12) lower floor ore body height is 20m.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106638891A (en) * | 2017-02-13 | 2017-05-10 | 中钢集团马鞍山矿山研究院有限公司 | Comprehensive water managing method in underground mining stage of open pit into underground mining |
| CN107083984A (en) * | 2017-06-14 | 2017-08-22 | 陕西有色榆林煤业有限公司 | A kind of colliery central water sump whole wind pressure ventilation system and design method |
| CN110206544A (en) * | 2019-05-20 | 2019-09-06 | 中铁十九局集团矿业投资有限公司 | A kind of hole bottom ore body stoping method behind open-pit slope landslide |
| CN110578552B (en) * | 2019-10-16 | 2021-02-26 | 海南矿业股份有限公司 | Connecting structure of mine drainage shaft and drainage roadway |
| CN111852554B (en) * | 2020-07-06 | 2021-07-16 | 紫金矿业集团股份有限公司 | Rapid trenching method for large water inrush quantity pit open-pit mine small-block full-section deep one-time blasting |
| CN111852553B (en) * | 2020-07-06 | 2021-08-03 | 紫金矿业集团股份有限公司 | Method for rapidly sinking and trenching open-pit mine with large water inrush quantity |
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Address after: 243000 Xitang Road, Ma'anshan Economic Development Zone, Anhui, No. 666 Patentee after: MAANSHAN Mine Research Institute Co.,Ltd. Address before: 243000 Xitang Road, Ma'anshan Economic Development Zone, Anhui, No. 666 Patentee before: SINOSTEEL MAANSHAN INSTITUTE OF MINING RESEARCH Co.,Ltd. |