CN103291307B - A kind of rich water rockhole Dewatering by leading level method - Google Patents
A kind of rich water rockhole Dewatering by leading level method Download PDFInfo
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- CN103291307B CN103291307B CN201310193960.XA CN201310193960A CN103291307B CN 103291307 B CN103291307 B CN 103291307B CN 201310193960 A CN201310193960 A CN 201310193960A CN 103291307 B CN103291307 B CN 103291307B
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Abstract
The invention discloses a kind of rich water rockhole Dewatering by leading level method, to advanced hydrophobic boring under arranging by certain net degree in Fu Shui rock stratum, the water seepage flow that inside, rock stratum exists is enriched in hydrophobic boring by the joint fissure utilizing Fu Shui rock stratum self to exist under natural differential pressure action, by the submersible pump be arranged at the bottom of hydrophobic drilling hole, water in hydrophobic boring is discharged, again form nature pressure reduction, Shuifu County's collection in Fu Shui rock stratum is discharged, so repeatedly until the advanced drainage fast in mineral deposit.The present invention utilizes down-hole engineering to carry out Dewatering by leading level to Fu Shui rock stratum, have that speed is fast, efficiency is high, invest the feature little, cost is low, can improve working conditions, effectively prevent water inrush accident from occurring, improve labor productivity, eliminate the destruction that underground water height hydraulic pressure causes, and improve construction rock strength, reduce engineering support amount, prevent landslide, emit the underground hazard such as top flat nation.
Description
Technical field
The present invention relates to a kind of Fu Shui rock stratum method for unwatering, particularly a kind of Fu Shui rock stratum utilizes boring and submersible pump to carry out the method for the quick Dewatering by leading level of ore body.
Background technology
Dewatering by leading level is the technical guarantee of Water-rich deposit, the safe working of broken easily argillization rich water ore body, not only improves underground work condition and environment, and can strengthen the self-stability of quarry rock, enhance productivity, ensure job safety, reduce cost of winning, have real value and engineering significance.Previous similar projects problem, due to the complexity in work progress and economy, generally utilize the natural pressure reduction relying on construction to be formed with tunneling more than absolute altitude or absolute altitude or rising borehole that the water in Fu Shui rock stratum or Water-rich deposit is discharged drainage, although have certain drainage effect to rich water ore body or Water-rich deposit to a certain extent, but the hydrophobic time is long, weak effect, and cannot discharge before the water extraction of Fu Shui rock stratum, deep or flood ore body, realize the quick Dewatering by leading level of below deep rich water ore body, when causing deep engineering to construct, work plane trickle is serious, rock mass strength affects self-stability difference by water, workman need wear waterproof garment work, stope or driving face ore deposit rock argillization, gushing water, flood phenomenon happens occasionally, cause workman's operating environment severe, efficiency is low, operational security is poor, the problems such as mine support and cost of winning increase.
For the Dewatering by leading level of the rich water ore body in underground or Water-rich deposit, domestic and international expert carries out excessive quantifier elimination, the pump adopted in patent CN102192159A " ultra-small-bore deep-well water absorption device " is self-priming water pump, by middle suction water pipe, by water sucking-off in the hole of aperture 100mm, about degree of depth 10m, be a kind of sewer drainage method that scope of application is little, drainage is limited in scope, be difficult to use in large-scale Dewatering by leading level in rich water ore body or Water-rich deposit.Patent CN201176596Y " can simultaneously for the pipe well of drainage and Dewatering by pressure reduction ", adopts vacuum pump and common submersible pump to draw water simultaneously, and utilizes water proof plug that well casing is divided into two ends, play impermeable role, facilitate drainage precipitation at drainage precipitation stage water proof plug; Enter the Dewatering by pressure reduction stage, water proof plug impermeable role lost efficacy, and facilitated artesian aquifer Dewatering by pressure reduction.This patent work progress is complicated, expensive, is unsuitable for the Dewatering by leading level of the rich water ore body of underground deep or Water-rich deposit.In sum, for rich water ore body or Water-rich deposit, domestic and international method therefor and technology all can not realize fast, economical to mine on a large scale in the Dewatering by leading level of Fu Shui rock stratum.
Open phosphorylcholine group deep phosphorus ore body, affect by surrounding terrain landforms and orebody occurrence, ore body is being opened up, is being adopted in standard and recovery process, run into a large amount of rock stratum joint fissure water, namely work plane has a large amount of water to emerge from top nation once exposure, on the one hand, workman need dress the work such as raincoat, efficiency of construction is low, and stope and fall of ground wall caving phenomenon happen occasionally, and operational security is poor; On the other hand, conventional explosive and sprayed mortar can not be used for underground mining and supporting, perforating, blow out, support work is difficult to carry out.Cause ore deposit rock argillization phenomenon in addition, ore deposit rock is difficult to transport, brings great difficulty to the mining of mine phosphorus ore body, produces and is seriously obstructed, therefore, and the Dewatering by leading level of deep in the urgent need to address, mine phosphorus ore body.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of rich water rockhole Dewatering by leading level method that engineering quantity is little, drainage speed is fast, efficiency is high, recycle.
In order to solve the problems of the technologies described above, rich water rockhole Dewatering by leading level method provided by the invention, to advanced hydrophobic boring under arranging by certain net degree in Fu Shui rock stratum, the water seepage flow that inside, rock stratum exists is enriched in hydrophobic boring by the joint fissure utilizing Fu Shui rock stratum self to exist under natural differential pressure action, by the submersible pump be arranged at the bottom of hydrophobic drilling hole, water in hydrophobic boring is discharged, again form nature pressure reduction, Shuifu County's collection in Fu Shui rock stratum is discharged, so repeatedly until the advanced drainage fast in mineral deposit.
A hydrophobic boring is arranged by 10m ~ 30m × 10m ~ 30m planar range, the aperture of hydrophobic boring is 150mm ~ 300mm, orientation is horizontal plane downwards 60 ° ~ 90 °, hydrophobic boring adopts raise boring machine or geological drilling rig to drill through from brattice way to Fu Shui rock stratum, deep, and length is 10m ~ 100m.
Concrete steps of the present invention are:
(1) determine bore position: situation is deposited in the tax according to Fu Shui rock stratum, determines bore position, hydrophobic boring is positioned at below Fu Shui rock stratum;
(2) hydrophobic drilling construction: the gallery utilizing top to excavate adopts raise boring machine or geology to creep into the hydrophobic drilling construction of row;
(3) water pump is installed, is fixed: water pump connects plastic cement gutter and also suspends the boring of putting into position 0.5 ~ 1.0m at the bottom of hydrophobic drilling hole in midair with steel cable, and plastic cement gutter and steel cable are extended down to hydrophobic drilling orifice and lie on anchor pole with steel cable;
(4) rock stratum drainage: open water pump, enter in tunnel in ditch by rock cranny water in boring, rock cranny water flows into continually in hydrophobic boring under water-head effect.
Every 2 ~ 4 hours unlatching water pumps once, after hole Nei Shui drains, water pump is shut down.
Adopt the rich water rockhole Dewatering by leading level method of technique scheme, compared with prior art, the technique effect that the present invention reaches is: engineering quantity is little, and drainage speed is fast, efficiency is high, and initial investment is little; The advanced drainage fast of ore body can be realized, effectively prevent water inrush accident from occurring, improve working conditions, improve labor productivity, eliminate the destruction that underground water height hydraulic pressure causes, be applicable to metal or the nonmetal depdosit drainage of flood, easily argillization, many karst.The present invention utilizes submersible pump drainage, bores drainage hole downwards from Fu Shui rock stratum brattice way, utilizes the hydraulic pressure pressure reduction in submersible pump formation hole and in ore body rock mass, accelerates the outflow of crevice water in ore body rock mass, reach the object of the quick drainage in mineral deposit.The present invention adopts submersible pump to be drawn from rock stratum by water, utilize pore water pressure and water gravity flow to carry out drainage compared to conventional method, the faster efficiency of speed is higher, thus decreases the time of ore body drainage, and then reduce mine back production time, improve mine back production efficiency.The present invention adopts steel cable to fix plastic cement gutter and water pump, prevents water pump and the vibration of plastic cement gutter; The present invention utilizes drainage to hole and submersible pump carries out drainage, compares, has greatly saved engineering quantity, reduce the cost of draining depressurization with traditional winnning-off that utilizes with boring.
In sum, the present invention is that a kind of speed is fast, efficiency is high, invests little, that cost is low rich water rockhole Dewatering by leading level method.
Accompanying drawing explanation
Fig. 1 is that perspective view is indulged in the hydrophobic boring of the present invention;
Fig. 2 is hydrophobic hole structure figure, i.e. A-A section in Fig. 1.
Detailed description of the invention
A hydrophobic boring is arranged by 10m ~ 30m × 10m ~ 30m planar range in Fu Shui rock stratum, the aperture of hydrophobic boring is 150mm ~ 300mm, orientation is horizontal plane downwards 60 ° ~ 90 °, to drilling through in advance hydrophobic boring adopts raise boring machine or geological drilling rig to arrange from brattice way to Fu Shui rock stratum, deep, length is 10m ~ 100m.The water seepage flow that inside, rock stratum exists is enriched in hydrophobic boring by the joint fissure utilizing Fu Shui rock stratum self to exist under natural differential pressure action, by the submersible pump at the bottom of the hole being arranged in hydrophobic boring, water in hole is discharged, water pump connects plastic cement gutter and suspends the boring of putting into position 0.5 ~ 1.0m at the bottom of hydrophobic drilling hole with steel cable in midair, and plastic cement gutter and steel cable are extended down to hydrophobic drilling orifice and lie on anchor pole with steel cable; Open water pump, water in hole is extracted out by clearance-type, again forms nature pressure reduction, and Shuifu County's collection in Fu Shui rock stratum is discharged, so repeatedly until the advanced drainage fast in mineral deposit.
In order to deepen to understand the present invention, below in conjunction with drawings and Examples, the present invention is described in further detail, and these drawings and Examples only for explaining the present invention, do not form limiting the scope of the present invention.
See Fig. 1 and Fig. 2, rich water rockhole Dewatering by leading level method of the present invention, its concrete steps are:
(1) determine bore position: situation is deposited in the tax according to Fu Shui rock stratum, determines bore position, hydrophobic boring is positioned at below Fu Shui rock stratum;
(2) hydrophobic drilling construction: the gallery 1 utilizing top to excavate adopts raise boring machine or geology to creep into the hydrophobic boring 5 of row and constructs;
(3) water pump is installed, is fixed: be provided with ditch 2 in haulage way 1, submersible pump 6 delivery port connects plastic cement gutter 3, be extended down to outside hydrophobic boring 5, adopt between plastic cement gutter 3 and be threaded, with wire rope 7, submersible pump 6 is put at the bottom of hydrophobic boring 5 hole, make submersible pump 6 insert the position of 0.5 ~ 1m at the bottom of distance hole in hydrophobic boring 5, and wire rope 7 is lain on the anchor pole 4 of back or lateral wall;
(4) rock stratum drainage: open submersible pump 6; in hydrophobic boring 5, form low pressure, in rock mass, crevice water is directly discharged, and directly enters the ditch 2 in haulage way 1; every 2 ~ 4 hours unlatching submersible pumps 6 once, after water in hydrophobic boring 5 drains, submersible pump 6 is shut down.
As shown in Figure 2, it is A-A sectional drawing in Fig. 1, puts into submersible pump 6, connect plastic cement gutter 3 in drainage boring 5, and fixes with steel cable 7.The aperture of hydrophobic boring 5 is 150mm ~ 300mm.The external diameter of submersible pump 6 is less than the diameter 50mm of hydrophobic boring 5, and draining lift is greater than hydrophobic boring 5 from the downward vertical depth of datum.
Claims (5)
1. a rich water rockhole Dewatering by leading level method, to advanced hydrophobic boring under arranging by certain net degree in Fu Shui rock stratum, the water seepage flow that inside, rock stratum exists is enriched in hydrophobic boring by the joint fissure utilizing Fu Shui rock stratum self to exist under natural differential pressure action, by the submersible pump be arranged at the bottom of hydrophobic drilling hole, water in hydrophobic boring is discharged, again form nature pressure reduction, Shuifu County's collection in Fu Shui rock stratum is discharged, and so repeatedly until the advanced drainage fast in mineral deposit, it is characterized in that: concrete steps are:
(1) determine bore position: situation is deposited in the tax according to Fu Shui rock stratum, determines bore position, hydrophobic boring is arranged in Fu Shui rock stratum;
(2) hydrophobic drilling construction: the gallery utilizing top to excavate adopts raise boring machine or geology to creep into the hydrophobic drilling construction of row;
(3) water pump is installed, is fixed: water pump connects plastic cement gutter and also suspends the boring of putting into position 0.5 ~ 1.0m at the bottom of hydrophobic drilling hole in midair with steel cable, and plastic cement gutter and steel cable are extended down to hydrophobic drilling orifice and lie on anchor pole with steel cable;
(4) rock stratum drainage: open water pump, enter in tunnel in ditch by rock cranny water in boring, rock cranny water flows into continually in hydrophobic boring under water-head effect.
2. rich water rockhole Dewatering by leading level method according to claim 1, it is characterized in that: arrange a hydrophobic boring by 10m ~ 30m × 10m ~ 30m planar range, the aperture of hydrophobic boring is 150mm ~ 300mm, orientation is horizontal plane downwards 60 ° ~ 90 °, and hydrophobic drillable length is 10m ~ 100m.
3. according to the rich water rockhole Dewatering by leading level method of claim 1 or 2, it is characterized in that: adopt raise boring machine or geological drilling rig to bore hydrophobic boring from brattice way to Fu Shui rock stratum, deep.
4. rich water rockhole Dewatering by leading level method according to claim 1, is characterized in that: in above-mentioned steps (4) every 2 ~ 4 hours unlatching water pumps once, and after hole Nei Shui drains, water pump is shut down.
5. rich water rockhole Dewatering by leading level method according to claim 1, it is characterized in that: the external diameter of water pump is less than the diameter 50mm of hydrophobic boring, draining lift is greater than hydrophobic boring from the downward vertical depth of datum.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310193960.XA CN103291307B (en) | 2013-05-22 | 2013-05-22 | A kind of rich water rockhole Dewatering by leading level method |
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| CN201310193960.XA CN103291307B (en) | 2013-05-22 | 2013-05-22 | A kind of rich water rockhole Dewatering by leading level method |
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| CN103291307B true CN103291307B (en) | 2015-08-05 |
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| CN108643920A (en) * | 2018-04-17 | 2018-10-12 | 贵州开磷集团股份有限公司 | A kind of blast working structure and construction method for the interim ditch in tunnel |
| CN113565566B (en) * | 2021-08-24 | 2023-03-28 | 中铁二院工程集团有限责任公司 | Construction method for dewatering, depressurizing and stabilizing tunnel face of water-rich composite stratum |
| CN113653531B (en) * | 2021-08-30 | 2024-01-02 | 中煤地质集团有限公司 | Method for dredging low-permeability roof water |
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| CN2032250U (en) * | 1988-08-21 | 1989-02-08 | 李逢晓 | Pneumatic drain system for deep hole |
| US6280000B1 (en) * | 1998-11-20 | 2001-08-28 | Joseph A. Zupanick | Method for production of gas from a coal seam using intersecting well bores |
| CN101413401B (en) * | 2008-11-20 | 2010-10-13 | 重庆大学 | Method for discharging water and slag of coal mine deep hole |
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