CN106285777A - The method that flood mine mineral building discharges water in advance - Google Patents

The method that flood mine mineral building discharges water in advance Download PDF

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Publication number
CN106285777A
CN106285777A CN201610967086.4A CN201610967086A CN106285777A CN 106285777 A CN106285777 A CN 106285777A CN 201610967086 A CN201610967086 A CN 201610967086A CN 106285777 A CN106285777 A CN 106285777A
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China
Prior art keywords
mineral building
dewatering orifice
water
advance
hole
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Application number
CN201610967086.4A
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Chinese (zh)
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CN106285777B (en
Inventor
陈彦亭
郑卫民
邢翔宇
宋爱东
董麦亭
陈越
王丹
张春舫
胡文剑
庞晔斌
杨威
巩瑞杰
禹朝群
王磊
霍胜强
吕斌
程中平
韦冠彬
刘梅
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Hebei Iron and Steel Group Mining Co Ltd
HBIS Co Ltd
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HBIS Co Ltd
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Priority to CN201610967086.4A priority Critical patent/CN106285777B/en
Publication of CN106285777A publication Critical patent/CN106285777A/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F16/00Drainage

Abstract

The invention discloses the method that a kind of flood mine mineral building discharges water in advance, its wearing between two drilling drifts arranges rig chamber 2,3 on astillen, beat dewatering orifice 4,5;In the range of both sides, mineral building top to be exploited are arranged in dewatering orifice 4,5;Dewatering orifice 4,5 is inclined upwardly angle 5 °~15 °, does not has hole depth≤mineral building length;Determine that joint in dewatering orifice, crack and crushed zone grow position, under above-mentioned position, enter filter pipe, and utilize oriented perforating technology to increase joint in dewatering orifice, crack and crushed zone to grow the infiltration coefficient at position.This method is not take up the work surface of rooming, utilizes wearing arteries and veins engineering and wearing in arteries and veins engineering the leting speeper hole of construction and discharge water of rock drilling level;For flood mine mineral building, the subsoil water on mineral building top of effectively damming, make subsoil water enter the mineral building of actual mining less, effectively reduce the groundwater pressure of rooming, reduce the probability that in exploitation work, water damage occurs.

Description

The method that flood mine mineral building discharges water in advance
Technical field
The invention belongs to underground mine water control technique field, the side that a kind of flood mine mineral building discharges water in advance Method.
Background technology
In sub-terrain mines is exploited, the flood mine dug up mine especially with open-stope method or filling method, when mineral building is larger Time, the subsoil water gushed out suddenly often results in disastrous consequence, has a strong impact on the safe working of mineral building, more crushes at rock Area, bigger trickle can increase the probability of Instability of Rock Body, also can have a negative impact safe working.
In the flood mine that production scale is bigger, complete drainage mineral deposit is from ecology, technology and economic angle all Seeming unrealistic, in order to reduce the water pressure impact on mining safety, it is with pressure that mineral building back production typically uses that draining limit, limit digs up mine Exploitation.According to tradition leting speeper method, before mineral building back production, in stope arrange leting speeper hole carry out detecting water by pilot hole with Discharge water work, and dewatering orifice is typically fan-shaped layout, and it is long that this method for arranging takies the work surface time, delays actual mining, meanwhile, When the recharge of ground water source of abundance is arranged at mineral building top, this mode of discharging water can not effectively reduce mineral building back production Water yield in journey, mineral building back production is the most effectively reduced by the threat of water damage.
Summary of the invention
The technical problem to be solved in the present invention is to provide the flood mine mineral building of a kind of work surface being not take up rooming The method discharged water in advance.
For solving above-mentioned technical problem, the technical solution used in the present invention is: wear arteries and veins between two drilling drifts Arrange rig chamber on wall, beat dewatering orifice;In the range of both sides, mineral building top to be exploited are arranged in dewatering orifice;Dewatering orifice same upward-inclination angle Spend 5 °~15 °, do not have hole depth≤mineral building length;Determine that joint in dewatering orifice, crack and crushed zone grow position, at above-mentioned position Under enter filter pipe, and utilize oriented perforating technology to increase joint in dewatering orifice, crack and crushed zone to grow the infiltration coefficient at position.
The present invention is according to the result of detecting water by pilot hole, as water yield≤60m/h, respectively arranges that one puts at mineral building to be exploited Water hole;As water yield > 60m3During/h, respectively arrange one group of dewatering orifice at mineral building to be exploited.
Often group dewatering orifice of the present invention is that sector is arranged and the elevation angle is identical, and whole hole horizontal distance cannot be greater than 3m.
Use and have the beneficial effects that produced by technique scheme: the present invention is not take up the work surface of rooming, profit Wearing arteries and veins engineering and wearing in arteries and veins engineering the leting speeper hole of construction and discharge water by rock drilling level;Meanwhile, for flood mine mineral building The hydrogeologic condition in the recharge of ground water source of abundance is arranged at top, and the present invention can effectively be dammed the subsoil water on mineral building top, makes Subsoil water enters the mineral building of actual mining less, effectively reduces the groundwater pressure of rooming, reduces exploitation work The probability that in work, water damage occurs.
The present invention is capable of the effect that the tall and big mineral building in flood mine utilizes rock drilling level to discharge water in advance, can be effective Dam top, room to be dug up mine retention of excessive fluid, reduces mineral building hydraulic pressure, reduces the water damage probability of happening in mineral building exploitation process;It is not take up simultaneously Room to be dug up mine work surface, improves mineral building back production progress.
Accompanying drawing explanation
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings.
Fig. 1 is that structural representation is moved towards in the dewatering orifice of the present invention;
Fig. 2 is the oriented perforating structural representation of the present invention.
In figure: 1-wears arteries and veins;2-rig chamber;3-rig chamber;4-dewatering orifice;5-dewatering orifice;6-nugget;7- Rock drilling lane;The growth angle at the positions such as 8-ROCK MASS JOINT crack;9-oriented perforating.
Detailed description of the invention
The method that this flood mine mineral building discharges water in advance between two drilling drifts, wear on astillen arrange rig chamber 2, 3, beat dewatering orifice 4,5;The boring direction of dewatering orifice 4,5 is approximately perpendicular to wear arteries and veins 1, dewatering orifice 4,5 be inclined upwardly angle 5 °~ 15 °, do not have hole depth≤mineral building length (nugget length) suitable;Dewatering orifice 4,5 region overlay to be formed on plane face, is i.e. treating Several dewatering orifices 4,5 are arranged in the range of exploitation both sides, mineral building top (nugget both wings);Integrated exploration, mapping and down-hole electricity Depending on etc. means determine that joint in dewatering orifice, crack and crushed zone grow position, under these position, enter filter pipe, and utilize orientation In perforating technology increase dewatering orifice, joint, crack and crushed zone grow the infiltration coefficient at position, form water guide predominant pathway, improve Discharge water effect, is derived from this predominant pathway by water to greatest extent, and the angular range of oriented perforating 9 is 180 °.
Dewatering orifice arrangement principle in the method that this flood mine mineral building discharges water in advance: according to the result of detecting water by pilot hole, when gushing The water yield≤60m3During/h, nugget 6 both wings respectively arrange that a single dewatering orifice 4,5 discharges water;As water yield > 60m3During/h, in ore deposit Block both wings respectively arrange that one group of dewatering orifice 4,5 discharges water, and often group dewatering orifice 4,5 number is according to water yield size, aperture voltage endurance capability Determine;When using that dewatering orifice 4,5 discharges water in groups, often group dewatering orifice 4,5 is arranged in sector, and the elevation angle, each hole is identical, whole Kong Shui Flat distance cannot be greater than 3m.
Described in the method that this flood mine mineral building discharges water in advance, dewatering orifice 4,5 is provided with orifice tube, orifice tube Main Function Being to creep into for spy water hole to guide, orifice tube outer wall welding rib is for anti-skidding, and rib spacing is 0.4~0.6m;Orifice tube Exposed parts installs the anti-high-handed measures such as ferrum card, pin and penstock, strict check value resistant to pressure;In hard section of tunnel or crag Squeezing into anchor cable, the other end of anchor cable is fixed on rig, when meeting high artesian crown drill, utilizes anchor cable pull strength to prevent rig top Go out, it is desirable to anchor cable intensity is sufficiently large.
Embodiment: as a example by flood mine, Hebei province, the concrete technology of the method that this flood mine mineral building discharges water in advance As described below.
This flood mine uses stage open stope afterwards filling mining methods, medium-length hole of giving a farfetched interpretation downwards in drilling drift, side To ore caving, scraper is ore removal in mineral building bottom ore tunnel.Panel is arranged along orebody trend, long 120m, a width of ore body level Thickness, high 50m(level interval), studding width 15m.It is divided back to mining blocks, ore deposit along orebody trend and vertical direction in the range of panel Block length direction is consistent with orebody trend.One step mining blocks uses consolidated fill, and two step mining blocks are based on tailing-filled.One step Mining blocks uses arranges continuously, back production step by step, a length of 52.5m of nugget, width 20m, highly 50m.In the middle of two step mining blocks by Nugget studding is split, a length of 48.5m of nugget, width 20m, highly 50m, column length 20m, width 8m between nugget.One step adopt and Two step mining blocks are spaced.Wear arteries and veins transportation roadway, stope box is arranged in studding, and district ventilation well is near panel barrier cloth Put.Mine Underground Water nourishment source is sufficient, and structural fracture is grown, mineral building Rockmass Permeabuity Coefficient 0.049~0.55m/d, current ore deposit Mountain total yield is 1800~2000 m3/ h, is typical flood mine.
Fig. 1, shown in 2, the vertical orebody trend of nugget 6 to be adopted is arranged, the rig chamber 2,3 of dewatering orifice is arranged in rock drilling water Putting down and wear arteries and veins 1 side, the horizontal dewatering orifice of rock drilling 4,5 is arranged in the both sides treating mining blocks.5 °~15 ° of the elevation angle, dewatering orifice 4,5, determines rock The growth angle 8 at the positions such as body joint fissure, eyelet 9 distribution 180 ° of oriented perforating.The hole length of dewatering orifice 4,5 and ore deposit Block length is suitable, is slightly less than nugget length;Dewatering orifice 4,5 uses and arranges in groups, arranges in sector, and whole hole horizontal distance is less than 3m, and do not destroy the rock drilling lane 7 of nugget.Aperture, dewatering orifice 4,5 is 146~168mm, eyelet 9 diameter 8 of oriented perforating~ 14mm, perforation hole depth 0.4~0.6m.
Compared with this method discharges water with conventional operation face, can be greatly reduced work surface holding time (at least 5~10 days), Increase dewatering orifice local penetration coefficient 15~20 times, the efficiency that discharges water raising 2~5 times;Simultaneously this method can lateral to mineral building and Certain effect of damming (conventional operation face discharges water and cannot effectively discharge water) is played in nourishment source, top, effectively reduces the underground of mineral building Water increment.

Claims (3)

1. the method that a flood mine mineral building discharges water in advance, it is characterised in that: wearing on astillen between two drilling drifts Arrange rig chamber (2,3), beat dewatering orifice (4,5);In the range of both sides, mineral building top to be exploited are arranged in dewatering orifice (4,5);Discharge water Hole (4, the 5) angle that is inclined upwardly 5 °~15 °, there is not hole depth≤mineral building length;Determine that joint in dewatering orifice, crack and crushed zone are sent out Educate position, under above-mentioned position, enter filter pipe, and utilize oriented perforating technology to increase joint in dewatering orifice, crack and crushed zone to send out Educate the infiltration coefficient at position.
The method that flood mine the most according to claim 1 mineral building discharges water in advance, it is characterised in that: according to detecting water by pilot hole As a result, as water yield≤60m/h, respectively arrange a dewatering orifice (4,5) at mineral building to be exploited;As water yield > 60m3During/h, One group of dewatering orifice (4,5) is respectively arranged at mineral building to be exploited.
The method that flood mine the most according to claim 2 mineral building discharges water in advance, it is characterised in that: described often organize dewatering orifice (4,5) arrange in sector and the elevation angle is identical, and whole hole horizontal distance cannot be greater than 3m.
CN201610967086.4A 2016-10-28 2016-10-28 The method that flood mine mineral building discharges water in advance Active CN106285777B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111764960A (en) * 2020-08-17 2020-10-13 六盘水师范学院 Coal mining separation layer water damage prevention and control method

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Publication number Priority date Publication date Assignee Title
CN101196123A (en) * 2007-12-27 2008-06-11 淮北矿业(集团)有限责任公司 Aquifer preventing and controlling method for coal face roof plate separation layer
CN102425421A (en) * 2011-11-08 2012-04-25 中蓝连海设计研究院 Novel water control method suitable for mine shafts
CN102505963A (en) * 2011-11-11 2012-06-20 山西晋城无烟煤矿业集团有限责任公司 Stope face roof water pre-drainage construction method
CN102913280A (en) * 2012-10-30 2013-02-06 开滦(集团)有限责任公司东欢坨矿业分公司 Method for draining roof water in flood mine
CN102926803A (en) * 2012-10-30 2013-02-13 开滦(集团)有限责任公司东欢坨矿业分公司 Water drainage method for simultaneously exploiting water and coals under complicated hydrological condition
CN103104289A (en) * 2013-02-05 2013-05-15 神华集团有限责任公司 Mine water disaster treatment method
CN104088664A (en) * 2014-07-25 2014-10-08 玉溪大红山矿业有限公司 Method and system for treating waste water of mine suitable for upward filling and mining
CN104597224A (en) * 2015-01-27 2015-05-06 河南理工大学 Three-drop distance non-steady flow dewatering test method for probing mine hydrogeology
CN104712286A (en) * 2014-12-31 2015-06-17 陕西煤业化工技术研究院有限责任公司 Classified grouting method utilizing results of coal seam floor water-bearing layer single-hole water discharge test
CN104963721A (en) * 2015-05-26 2015-10-07 安徽建筑大学 Downhole stereo rapid water drainage method through the combination of horizontal drilling holes and vertical drilling holes

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101196123A (en) * 2007-12-27 2008-06-11 淮北矿业(集团)有限责任公司 Aquifer preventing and controlling method for coal face roof plate separation layer
CN102425421A (en) * 2011-11-08 2012-04-25 中蓝连海设计研究院 Novel water control method suitable for mine shafts
CN102505963A (en) * 2011-11-11 2012-06-20 山西晋城无烟煤矿业集团有限责任公司 Stope face roof water pre-drainage construction method
CN102913280A (en) * 2012-10-30 2013-02-06 开滦(集团)有限责任公司东欢坨矿业分公司 Method for draining roof water in flood mine
CN102926803A (en) * 2012-10-30 2013-02-13 开滦(集团)有限责任公司东欢坨矿业分公司 Water drainage method for simultaneously exploiting water and coals under complicated hydrological condition
CN103104289A (en) * 2013-02-05 2013-05-15 神华集团有限责任公司 Mine water disaster treatment method
CN104088664A (en) * 2014-07-25 2014-10-08 玉溪大红山矿业有限公司 Method and system for treating waste water of mine suitable for upward filling and mining
CN104712286A (en) * 2014-12-31 2015-06-17 陕西煤业化工技术研究院有限责任公司 Classified grouting method utilizing results of coal seam floor water-bearing layer single-hole water discharge test
CN104597224A (en) * 2015-01-27 2015-05-06 河南理工大学 Three-drop distance non-steady flow dewatering test method for probing mine hydrogeology
CN104963721A (en) * 2015-05-26 2015-10-07 安徽建筑大学 Downhole stereo rapid water drainage method through the combination of horizontal drilling holes and vertical drilling holes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111764960A (en) * 2020-08-17 2020-10-13 六盘水师范学院 Coal mining separation layer water damage prevention and control method

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