CN206571487U - A kind of barren rock and cementing layering wedging mining with stowing structure - Google Patents

A kind of barren rock and cementing layering wedging mining with stowing structure Download PDF

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Publication number
CN206571487U
CN206571487U CN201720130218.8U CN201720130218U CN206571487U CN 206571487 U CN206571487 U CN 206571487U CN 201720130218 U CN201720130218 U CN 201720130218U CN 206571487 U CN206571487 U CN 206571487U
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China
Prior art keywords
filling
layering
barren rock
stope
mining
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Expired - Fee Related
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CN201720130218.8U
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Chinese (zh)
Inventor
罗先伟
赵元元
韦军
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GUANGXI GAOFENG MINING Co Ltd
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GUANGXI GAOFENG MINING Co Ltd
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Abstract

The utility model discloses a kind of barren rock and cementing layering wedging mining with stowing structure, during using upward horizontal slice cut and fill, using 3 ~ 4m, mono- layering raise mining and filling, three layerings are used as a segmentation, tailing cemented filling is respectively adopted in first layer and the 3rd, the second middle layering is using refuse compartment every mixed filling, lay scope and set according to Stope dimension and keep certain spacing with surrounding in bottom surface, tailing cemented filling is still used in hillock surrounding, and with up and down, layering cemented fill is contacted and is connected, solve prior art processes complicated, cost is high, labor productivity and nugget production capacity are relatively low, the problem of barren rock can not carry out reasonably applying, it ensure that strength of filling mass, cemented filling material is saved, with job safety, pack effectiveness is high, the characteristics of cost is low.

Description

A kind of barren rock and cementing layering wedging mining with stowing structure
Technical field
The utility model is related to a kind of sub-terrain mines upward horizontal slice mining with stowing structure and its technique, and in particular to a kind of Barren rock and cementing layering wedging mining with stowing technique and its structure.
Background technology
When earth's surface does not allow that avalanche, the grade of ore be higher, Value of Ore Deposits is larger or ore body upper lower burrs country rock moderately stable Or during steadiness difference, it is general to be exploited using the method for mining by the way of filling.This method controls country rock avalanche and earth's surface to move using obturation It is dynamic to carry out underground pressure management, and carry out in the obturation of formation or under its protection back production.With strong adaptability, ore back production Rate is high, and the rate of dilution is low, and operation is safer, can utilize industrial waste, protection earth's surface etc.;Have the disadvantage complex process, cost is high, work Productivity ratio and nugget production capacity are relatively low.
Current China chats volume of cargo in storage is up to 44,000,000,000 tons, and 15,000,000,000 tons of tailings impoundment, wherein nonferrous metal mine give up Stone utilization rate is averagely less than 10%, and comprehensive utilization of tailing rate is 19% or so, causes very big environment and potential safety hazard.With peace Entirely, the continuous improvement of environment and the rate of extraction requirement to resource, cut and fill obtains popularization and application energetically, or even in iron Also begin to use in ore deposit and the orebody mining of grade.In terms of Mine Solid Wastes recycling, using tailings, give up The Mine Solid Wastes such as stone are used as the optimal selection that underground filling material is filling mining.Not only solve Mine Solid Wastes Recycling problem, and be reduce mining cost and improve the performance of enterprises effective way.
Substantial amounts of research and commercial Application, part mill tailings utilization rate are carried out currently with tailing filling aspect Higher level is reached.Low concentration classified tailingses consolidated fill of the filling technique also from early stage is cementing to crude tailings high concentration Filling, lotion, Paste-like body, and barren rock-defeated filling technique of crude tailings high concentration pipe etc..Make a general survey of current mine down-hole filling skill Art, tailings is still the main source of filling in mine aggregate with barren rock.The mine exploited for stratified filling method, is entered using tailings The technique and technology of row consolidated fill comparative maturity, but currently for chats and crude tailings filling process technology still It is point and uses it, thus most mines fail effectively to be filled with crude tailings using barren rock.
Domestic patent database disclosed the technology report of some similar filling mining methods in recent years:
【Application number】ZL201610264170X,【Title】Bottom-column-free sectional cemented filling mining method,【Publication number】 CN105909247A, discloses a kind of bottom-column-free sectional cemented filling mining method, it by using be segmented into back production unit, Up and down between subsection interleaving arrangement extracting drift, substoping rhombus point, step pitch be basic back production unit, on fall to fan shaped medium length hole Ore removal under the conditions of ore deposit, many round short-delay blastings, barnyard, adopt rear consolidated fill in time and using the rhombus air cushion that can be recycled Fill partition wall and reserve compensating space in blasting and the explosion scope of freedom etc., but its filling method fails effectively to utilize barren rock with crude tailings to enter Row filling.
The content of the invention
The utility model is provided one kind and largely can backfilled using deads, and combines the cementing layering wedging of crude tailings The barren rock of mixed filling and cementing layering wedging mining with stowing technique and structure, solve prior art processes complexity, cost is high, labor Dynamic productivity ratio and nugget production capacity are relatively low, and barren rock can not be applied reasonably, and storing surface trouble, cost of transportation is high The problem of.
Barren rock of the present utility model includes return air with cementing layering wedging mining with stowing structure and fills well location in stope mining Above working face, casting resin can be filled well by return air and be transported to stope, and reinforced concrete artificial bottom is located at mineral building bottom, Each section of orebody mining, should have cutting gallery and layered-liaison tunnel layered-liaison tunnel to be connected with each layer of stope, two sections The layered-liaison tunnel of stope is connected by filling draining The Small Well, and cutting gallery and layered-liaison tunnel converge to slice drift, are segmented Connecting taxiway connection segment gallery, drop shaft is adopted quasi- ramp and ganged up with segmentation connecting taxiway tail end from top to bottom through segmentation connecting taxiway, The most beneath layering of stope uses tailing cemented filling, and intermediate hierarchical starts interval and carries out barren rock stacking mixed filling, i.e., cementing Obturation and barren rock are stacked mixed filling and are spaced apart in intermediate hierarchical, and stope is topmost layered as tailing cemented filling.
Tailing cemented filling layer and barren rock, which stack mixed filling layer, has same thickness.
The utility model is applied to that the grade of ore is higher, larger Value of Ore Deposits or ore body upper lower burrs country rock moderately stable or The orebody mining of steadiness difference, is especially suitable for applying during upward horizontal slice cut and fill.
The utility model uses layering wedging mixed filling method when up horizontal cut and fill stoping is exploited, by using The intermediate hierarchical of segmentation carries out barren rock and stores up and carry out wedging in the all-tailing cemented filling of Upward slicing, in hillock surrounding still Using tailing cemented filling, and with up and down, layering Cemented Filling contact and be connected, it is ensured that mixed filling body intensity, hinder Only ore body or the dilution caused is caving during unstable rock, reach that deads are maximally utilized, and ensure to be layered consolidated fill The purpose of body intensity, realizes safety and high efficiency, and filling cost is greatly lowered and discharge of the mine waste to earth's surface, energy is reduced Storing up for stope effectively is carried out using mine down-hole ore, greatly reduces the storing surface and cost of transportation of barren rock, barren rock is improved Utilization rate, and supporting role of the all-tailing cemented filling realization to country rock and adjacent stope ore body is combined, with job safety, fill Fill out efficiency high, the characteristics of cost is low.
Brief description of the drawings
Fig. 1 is the front view of the utility model sub-terrain mines upward horizontal slice mining with stowing structure, i.e., cutd open along the I-I of Fig. 2 Face.
Fig. 2 is II-II line profile along along Fig. 1.
Fig. 3 is III-III line profile along along Fig. 1.
Fig. 4 is the schematic perspective view that waste fill is stacked.
In figure:1- return air fills well;2- stopes;3- barren rocks;4- cemented fills;5- reinforced concrete artificial bottoms; 6- tailgates;7- stage haulage ways;8- slice drifts;9- layered-liaison tunnels;10- drop shafts;11- is segmented connecting taxiway;12- is adopted Quasi- ramp;13- fills draining The Small Well;14- fills gully;15- ore bodies;16- cuts gallery.
Embodiment
The utility model proposes the concrete use case of mining concept be:For the exploitation of above-mentioned classification ore body, level interval 40 ~ 60m is taken, nugget length typically takes 50 ~ 60m, can be reduced to 30 ~ 40m when ore body is broken and ground pressure is larger.First pass through ore body Level haulage gallery and incline boring exploiting field connecting taxiway, slice drift, segmentation ore removal gallery, the drop shaft of bottom plate, it is then close Ore body bottom plate driving return air filling well is communicated with upper stage casing prospect tunnel.Before back production, in nugget bottom driving cutting crosscut, edge Orebody trend driving cutting gallery, is undercuted as the scope of freedom along cutting gallery using cutting crosscut, with the propulsion of layering, is set up Water filter well and embedded porose plastic film capicitor are connected with filling draining The Small Well, and segmentation ore removal gallery chute is caunched, It is allowed to gradually be gone up a slope from loaded vehicle and is changed into loaded vehicle descending.
After completing to adopt quasi- cutting work, by slicing from bottom to top, a stoping operation mode filled is adopted using one, Utilize shallow bore hole or short formula drill jumbo rock drilling, scraper ore removal.The first layer of each segmentation and the 3rd is respectively adopted Tailing cemented filling, the second middle layering uses refuse compartment every mixed filling.Barren rock formation four is stacked during waste fill upwards Water chestnut platform shape.Bottom surface barren rock laying scope sets according to Stope dimension and keeps certain spacing with surrounding, in hillock surrounding Still use tailing cemented filling, and with up and down, layering Cemented Filling contact and connected, it is ensured that mixed filling body intensity, Prevent to be caving the dilution caused when ore body or unstable rock.
The utility model is further described below in conjunction with the accompanying drawings.
Fig. 2 is a kind of layering wedging mixed filling mining concept figure of the present utility model.First according to the actual thickness of ore body The mining ore deposit section of ore body and the physical dimension of nugget are arranged in degree and inclination angle, and nugget highly takes 60m, the wide 10m of mineral building, and mineral building length is Orebody thickness, this accompanying drawing takes 12m;First pass through the level haulage gallery 7 of ore body bottom plate and adopt the quasi- driving of ramp 12 segmentation contact Road 11, slice drift 8, layered-liaison tunnel 9, filling gully 14 and drop shaft 10.Then close to the driving return air filling of ore body bottom plate Well 1 is communicated with upper stage casing gallery.Before back production, in the vertical orebody trend driving cutting gallery 16 in nugget bottom, to cut crosscut Undercuted for the scope of freedom along cutting gallery.After pulling end space is formed, pouring forms reinforced concrete artificial bottom 5, height 6m.Under And it is upper by mono- layering progress back production of 4m and filling, 3 are layered as a segmentation.Two back production units are set in nugget, are adopted every one One, when a back production unit filling or maintenance, another back production unit can carry out normal back production, in each segmentation close to ore body lower wall Place's driving filling draining The Small Well, section 1m × 1m is easy to stope filling to be dehydrated.
The ore of the avalanche of stope 2 utilizes scraper, and being transported to drop shaft 10 by layered-liaison tunnel 9, slice drift 9 enters Row ore drawing.It is fresh it is distinguished and admirable by level haulage gallery 7, filling gully 14, ramp 12 and segmentation connecting taxiway 11 enter, it is segmented Gallery 8, layered-liaison tunnel 9 enter stope, wash away after stope, and waste air is discharged into upper stage casing return air filling gallery from return air filling well 1 Road 6.In order to improve Stope face ventilation condition, strengthen divulging information using portable blower.
Work cycle is adopted one for one and filled, i.e., filled immediately after one layering of back production.First layer 4 fills using crude tailings are cementing Fill out, cement mortar ratio uses 1:8.Casting resin fills well 1 by return air and transferred to stope, often uses 1 at the top of layering:4 cement bonded sand Slurry carries out top dressing 0.4m, is easy to make scraper function normal work in every layering.Second layering is filled using barren rock and tailings mixing Fill out, wherein waste stone utilization scraper is stacked to stope, the four water chestnut platform shapes of formation of barren rock 3 are stacked upwards.Bottom surface barren rock laying and four Week keep 0.5m spacing, hillock surrounding still use tailing cemented filling, and with up and down, layering Cemented Filling connect Touch and be connected.It is the cementing mixed filling layer of barren rock and tailings, stope top point to ensure the intermediate layer of each three layerings of segmentation Layer connects top for tailing cemented filling layer to realize.

Claims (2)

1. a kind of barren rock and cementing layering wedging mining with stowing structure, including return air filling well(1)Positioned at stope mining working face (2)Top, casting resin can fill well by return air(1)It is transported to stope(2), reinforced concrete artificial bottom(5)Positioned at ore deposit Room bottom, each section of ore body(15)Exploitation, should have cutting gallery(16)And layered-liaison tunnel(9)Layered-liaison tunnel and each layer Stope is connected, the layered-liaison tunnel of two sections stope(9)By filling draining The Small Well(13)Connection, cuts gallery(16)With point Layer connecting taxiway(9)Converge to slice drift(8), it is segmented connecting taxiway(11)Connection segment gallery(8), drop shaft(10)Pass through from top to bottom Wear segmentation connecting taxiway(11), adopt quasi- ramp(12)With segmentation connecting taxiway(11)Tail end is ganged up, it is characterised in that:The most bottom of stope Lower leaf uses tailing cemented filling, and intermediate hierarchical starts interval and carries out barren rock(3)Stack mixed filling, i.e. cemented fill (4)And barren rock(3)Stack mixed filling to be spaced apart in intermediate hierarchical, stope is topmost layered as tailing cemented filling.
2. barren rock according to claim 1 and cementing layering wedging mining with stowing structure, it is characterised in that:Tailings is cementing to be filled Packing course and barren rock, which stack mixed filling layer, has same thickness.
CN201720130218.8U 2017-02-14 2017-02-14 A kind of barren rock and cementing layering wedging mining with stowing structure Expired - Fee Related CN206571487U (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106869931A (en) * 2017-02-14 2017-06-20 广西高峰矿业有限责任公司 A kind of barren rock and cementing layering wedging mining with stowing technique and its structure
CN109469485A (en) * 2019-01-17 2019-03-15 福州大学 On inlayed to bumps without muscle and cooperate with the method for mining by the way of filling with two step of medium-length hole ore caving
CN109505647A (en) * 2018-11-28 2019-03-22 铜陵有色金属集团股份有限公司 The completely isolated shallow bore hole goaf group of bar shaped studding fills construction method
CN109611095A (en) * 2019-01-17 2019-04-12 福州大学 Three steps, seven step forms the concave-convex filling mining method without muscle mosaic texture
CN110005465A (en) * 2019-03-25 2019-07-12 安徽开发矿业有限公司 A kind of deads tailings collaboration consolidated fill method
CN110145308A (en) * 2019-06-21 2019-08-20 山东威斯特矿山工程科技股份有限公司 Nearly horizontal super high seam concentrates the layering of filling lane to take a step to adopt the three unders in coal mining method filled
CN111042817A (en) * 2019-12-06 2020-04-21 长沙矿山研究院有限责任公司 Partition cemented prop wall-cutting filling mining method
CN111594171A (en) * 2020-05-25 2020-08-28 吉林吉恩镍业股份有限公司 Construction method for converting underground mining into subsection engineering

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106869931A (en) * 2017-02-14 2017-06-20 广西高峰矿业有限责任公司 A kind of barren rock and cementing layering wedging mining with stowing technique and its structure
CN106869931B (en) * 2017-02-14 2019-09-20 广西高峰矿业有限责任公司 A kind of barren rock and cementing layering wedging mining with stowing technique and its structure
CN109505647A (en) * 2018-11-28 2019-03-22 铜陵有色金属集团股份有限公司 The completely isolated shallow bore hole goaf group of bar shaped studding fills construction method
CN109505647B (en) * 2018-11-28 2020-06-12 铜陵有色金属集团股份有限公司 Strip-shaped stud completely-isolated shallow hole goaf group filling construction method
CN109469485A (en) * 2019-01-17 2019-03-15 福州大学 On inlayed to bumps without muscle and cooperate with the method for mining by the way of filling with two step of medium-length hole ore caving
CN109611095A (en) * 2019-01-17 2019-04-12 福州大学 Three steps, seven step forms the concave-convex filling mining method without muscle mosaic texture
CN109611095B (en) * 2019-01-17 2020-07-07 福州大学 Filling mining method for forming concave-convex rib-free mosaic structure by three steps and seven steps
CN110005465A (en) * 2019-03-25 2019-07-12 安徽开发矿业有限公司 A kind of deads tailings collaboration consolidated fill method
CN110145308A (en) * 2019-06-21 2019-08-20 山东威斯特矿山工程科技股份有限公司 Nearly horizontal super high seam concentrates the layering of filling lane to take a step to adopt the three unders in coal mining method filled
CN111042817A (en) * 2019-12-06 2020-04-21 长沙矿山研究院有限责任公司 Partition cemented prop wall-cutting filling mining method
CN111594171A (en) * 2020-05-25 2020-08-28 吉林吉恩镍业股份有限公司 Construction method for converting underground mining into subsection engineering

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