CN108756885A - A kind of high-dipping ore block that ore-rock is smashed to pieces it is lower to or on to consolidated fill mechanized mining method - Google Patents

A kind of high-dipping ore block that ore-rock is smashed to pieces it is lower to or on to consolidated fill mechanized mining method Download PDF

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Publication number
CN108756885A
CN108756885A CN201810456348.XA CN201810456348A CN108756885A CN 108756885 A CN108756885 A CN 108756885A CN 201810456348 A CN201810456348 A CN 201810456348A CN 108756885 A CN108756885 A CN 108756885A
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China
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ore
filling
mining
route
rock
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CN201810456348.XA
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CN108756885B (en
Inventor
李俊平
李过生
周茂普
黄传宝
石亮
韩光照
姚松明
赵元培
杨克明
金文辉
徐凯
李日高
周慧霞
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Songxian Qian River Mining Co Ltd
Xian University of Architecture and Technology
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Songxian Qian River Mining Co Ltd
Xian University of Architecture and Technology
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Priority to CN201810456348.XA priority Critical patent/CN108756885B/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C41/00Methods of underground or surface mining; Layouts therefor
    • E21C41/16Methods of underground mining; Layouts therefor
    • E21C41/22Methods of underground mining; Layouts therefor for ores, e.g. mining placers
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00Methods or devices for placing filling-up materials in underground workings
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00Methods or devices for placing filling-up materials in underground workings
    • E21F15/02Supporting means, e.g. shuttering, for filling-up materials
    • E21F15/04Stowing mats; Goaf wire netting; Partition walls

Abstract

A kind of high-dipping ore block that ore-rock is smashed to pieces it is lower to or on to consolidated fill mechanized mining method, from top to bottom or slice drift back production from bottom to top;After tunneling layered-liaison tunnel, enter ore body along layered-liaison tunnel, explosion, which is substituted, using boom-type roadheader falls mine, each layering lean ore body across pitch falls mine or big thick ore body capwise interval or sequence route falls mine, and overall height arranges route, and forklift ore removal, it is transferred to next layering, and the underhand stope under obturation top plate, or the raise mining on obturation bottom plate again after entire layering single stage or two step mining advancings and retrusive sand off;This be under (on) integrated innovation of mine is fallen to cemented filling method and fully-mechanized digging machine.This method reduces the damage to country rock because of machine breaking, the plastic wire shield top of hydraulic prop+π types beams+laying when in addition digging up mine and side, and prop drawing when filling, highly effective and safe, ore losses and the rate of dilution are low, stope flexible arrangement, it is easy to accomplish prospecting in mining.

Description

A kind of high-dipping ore block that ore-rock is smashed to pieces it is lower to or on to consolidated fill mechanization Mining methods
Technical field
The invention belongs to mining technique field, more particularly to a kind of high-dipping ore block that ore-rock is smashed to pieces it is lower to or on to Consolidated fill mechanized mining method is suitable for exploitated ore and unstable rock or the only unsteady high-dipping high-grade of ore Ore body.
Background technology
Stream gold mine before the Songxian County of Luoyang, ore body and from the surrounding rock f coefficients in ore body about 5~8m less than 4, ore-rock is extremely broken It is broken.To when cemented filling method back production on, top plate and two is helped all easily to collapse, and not only causes damages and dilution, but also Jeopardize mining safety, almost needs holder close to holder intensive arrangement door shape timbering shield top and side, and need advanced branch Shield ensures that top plate ore does not collapse, and holder can not also recycle in stowing operation, and mining cost is up to 300 yuan/t, stope (route) Day adopts ore amount less than 20t.Use depth limit instead, the back production under cementing artificial roof, although top plate ore Inbreak is controllable, but still need holder close to holder intensive arrangement timbering wall supporting and prevent side wall collapse, in stowing operation Timbering can not also recycle, and mining cost is also up to about 300 yuan/t, stope (route) day adopt ore amount also less than 20t.On and To or it is lower to consolidated fill, in ore body or in surrounding rock will pole costly construct and safeguard ore pass, but lose and poor Change good stringent control.
Invention content
In order to overcome the disadvantages of the above prior art, the purpose of the present invention is to provide a kind of high-dippinges that ore-rock is smashed to pieces Ore body it is lower to or on to consolidated fill mechanized mining method, filling is arranged in from the lower wall stabilizing surrounding rock other than ore body 8m Well or ore pass, spiral ramp, by layered-liaison tunnel and ramp, boom-type roadheader is from top to down or from bottom to top Into slice drift, mining advancing ore, retrusive fills and withdraws hydraulic prop and π type beams, is dug using cantilevered Explosion is substituted into machine and falls mine, and stoping cost is less than 80 yuan/t, and stone of digging up mine stope (route) day is up to 220t, to increase substantially Stope (route) day mining capacity reduces mining cost.
To achieve the goals above, the technical solution adopted by the present invention is:
A kind of high-dipping ore block that ore-rock is smashed to pieces it is lower to or on to consolidated fill mechanized mining method, from top to bottom Or slice drift back production from bottom to top;After tunneling layered-liaison tunnel, enters ore body along layered-liaison tunnel, tunneled using cantilevered Machine substitutes explosion and falls mine, and each layering arranges that route, interval or sequence route fall mine simultaneously along orebody trend or capwise overall height Forklift ore removal is transferred to next layering, under obturation top plate again after entire layering single stage or Two step mining and sand off Underhand stope or the raise mining on obturation bottom plate.
Enter stope from ramp and layered-liaison tunnel using boom-type roadheader, ore body is implemented from top to bottom or under And it is upper as follows by slicing:
To thin lode body, the across pitch advance mining in layering, single stage back production is realized in retrusive prop drawing, filling;
To big thick ore body, the capwise arrangement route (stope) in layering implements the two of interval or sequence in layering Step back production adopts disk boundary in advance mining to ore body in back production along route, then retrusive prop drawing, filling, then is spaced Or the exploitation of sequence route, after waiting first steps to exploit, implement the interval of second step or route that sequence back production leaves.
In recovery process, working face is all made of boom-type roadheader and falls mine, and forklift transports mine, and hydraulic prop+π types beam+ Plastic wire and local anchor pole progress supporting.
The present invention fills and withdraws with the following method pillar:
It is lower to cemented filling mining, it is complete in back production when boom-type roadheader has adopted side and moved to another side route It is laid with filling piping in this complete side route and connects main filling system, carries out admission passage filling at twice, is filled for the first time for bottoming It fills out, second is that route top commonly fills.Reinforced concrete vacation bottom is used when wherein first time bottoming fills, i.e., is filled in route bottoming Packing course is laid with bar-mat reinforcement, and pillar withdraws 2-4m every time, and sets up flexible retaining wall, carries out first time filling and prevents running pulp, recycles Operation is until admission passage filling finishes;
On to cemented filling mining, after withdrawing 2~4m pillars every time, admission passage filling is disposably completed, it is not necessary to bottom spread If bar-mat reinforcement.
The present invention use following means of defence and withdrawn with to take precautions against pillar and mining process in lateral wall rock mass or top plate ore body collapse Slump enters in obturation:
Desending slicing admission passage filling is first laid with plastic wire and local anchor pole wall supporting, and single before setting up hydraulic prop Body hydraulic prop squeezes tight lateral wall as possible, to which lateral wall country rock is caving in preventing pillar from withdrawing and recovery process;
Upward slicing admission passage filling is first laid with plastic wire and local anchor pole wall supporting, top before setting up hydraulic prop, And hydraulic prop squeezes tight lateral wall and top plate as possible, to which lateral wall country rock is caving in preventing pillar from withdrawing and mining process, Prevent top plate ore inbreak simultaneously.
Compared with prior art, the present invention reduces the damage of the explosion to country rock because of machine breaking, single when in addition digging up mine The plastic wire shield top of body hydraulic prop+π types beam+laying and side, prop drawing when filling, highly effective and safe, ore losses and the rate of dilution are low, Stope flexible arrangement, it is easy to accomplish prospecting in mining.
Description of the drawings
Fig. 1 is mining methods schematic diagram of the present invention.
In figure:The upper stage casing return aircourses 1-;The upper stage casing Chuan Mai of 2-;3- fills ventilation shaft;4- bodies to be dug up mine;5- obturations; 6- drop shafts;7- filling counterforts;8- main haulages along the pulse;9- development machines;10- individual props;11- is layered connection roadway;12- points Layer haulage drift;13- adopts quasi- ramp.
Fig. 2 is route support pattern schematic diagram.
Fig. 3 be it is lower to or on to consolidated fill mechanized mining method stereoscopic schematic diagram.
Specific implementation mode
The embodiment that the present invention will be described in detail with reference to the accompanying drawings and examples.
With reference to figure 1, this mining methods is suitable for exploitated ore and the unsteady high-dipping of unstable rock or only ore is high Grade ore body.Its method is:Slice drift back production from top to bottom, or to lower and higher slice drift stoping;In driving layering contact Behind road, enter ore body along layered-liaison tunnel, substituting explosion using boom-type roadheader falls mine, each layering across pitch (lean ore body) Or capwise (big thick ore body) overall height arranges that route, interval or sequence route fall mine and forklift ore removal, be entirely layered single stage Or it is transferred to next layering, and the underhand stope under obturation top plate again after Two step mining and sand off, or at obturation bottom Raise mining on plate.This be it is lower to or on fall to cemented filling method and fully-mechanized digging machine (boom-type roadheader) the integrated wound of mine Newly.This method reduces the damage to country rock because of machine breaking, the modeling of hydraulic prop+π types beam+laying when in addition digging up mine Material net shield top and side, prop drawing when filling, highly effective and safe, ore losses and the rate of dilution are low, stope flexible arrangement, it is easy to accomplish exploration In conjunction with.
Specifically:
1) Migration mark of the machinery between each layering
Boom-type roadheader 9 enters stope (route) from ramp 13 and layered-liaison tunnel 11, implements certainly to thin lode body It is upper (lower) and under (on) by slice drift back production, the across pitch advance mining body 4 to be dug up mine in route, retrusive prop drawing 10, Pipeline obturation 5 simultaneously gradually retreats filling back production complete route and layered-liaison tunnel 11, realizes single stage back production;To thickness Gulf, similar above-mentioned layering, and capwise arranges route, implements interval in route or the Two step mining of sequence waits adopting Ore body 4 also adopts advance mining body 4 to be dug up mine to disk boundary on ore body, then retrusive prop drawing 10, pipe in back production along route Road, which conveys obturation 5 and gradually retreats, fills the complete route or layered-liaison tunnel 11 of back production, then is spaced or sequence route is similar Body 4 to be dug up mine is exploited, it is similar to fill and implement the interval of second step or sequence back production leaves after waiting first steps to exploit Route in body to be dug up mine 4.After full extraction and filling, then under similar exploitation (on) body to be dug up mine 4 being layered.
2) 9 Migration mark of fully-mechanized digging machine, ore removal way and support pattern and supporting side pressure, top pressure apply foundation and mode
Referring to figs. 2 and 3, working face is all made of boom-type roadheader 9 and falls mine, forklift ore removal, hydraulic prop 10+ π Type beam 14 carries out supporting.After forklift machine fills mine immediately following boom-type roadheader 9, transported along layered-liaison tunnel 11 and layering haulage drift 12 Mine is unloaded to drop shaft 6, mine car is transported to cage vertical shaft and is promoted to day mineral after 6 bottom discharging of drop shaft, then along main haulage roadway 8 along the pulse Storehouse.
3) fill and withdraw 10 mode of pillar
Referring to figs. 2 and 3, lower to cemented filling mining, it has adopted side in boom-type roadheader 9 and has moved to another side route When, it is laid with the main filling system of filling piping connection in this side route that back production finishes, carries out admission passage filling at twice, the It is once filled for bottoming, second is that route top commonly fills.To improve the globality for the Man-made False that lower leaf is exploited, the Reinforced concrete vacation bottom is used when bottoming fills, i.e., is laid with bar-mat reinforcement in route bottoming filling layer, pillar withdraws two~tetra- every time Rice, and set up flexible retaining wall 7, carry out first time filling and prevent running pulp, such cycle operation is until admission passage filling finishes.On to Cemented filling mining withdraws two~tetra- meters of pillars 10 every time, and after setting up flexible retaining wall 7, and admission passage filling can be completed disposably, It need not be laid with bar-mat reinforcement in bottom.
4) pillar 10 takes precautions against lateral wall rock mass when withdrawing and collapses the protection method fallen into obturation 5
Referring to figs. 2 and 3, Desending slicing admission passage filling, lateral wall country rock is caving when to prevent pillar 10 from withdrawing, single setting up Before body hydraulic prop 10, it is first laid with plastic wire and local anchor pole wall supporting, and hydraulic prop 10 squeezes tight lateral wall as possible.On to Slice drift fill, lateral wall country rock is caving when not only preventing pillar 10 from withdrawing, will also anti-top plate ore inbreak, therefore, in frame If before hydraulic prop 10, being first laid with plastic wire and local anchor pole wall supporting, top, and hydraulic prop 10 squeezes tight side as possible Side and top plate.
5) draft type of stope (route)
Implement from it is upper (lower) and under (on) by slice drift exploit, it is fresh it is distinguished and admirable along lower stage casing along vein transporting drift 8 and tiltedly Ramp 13 enters slice drift (stope), in route exhaust fan and air duct, by boom-type roadheader 9 cut ore body and The dust of scraper dress mineral products life drains into filling ventilation shaft 3, wears arteries and veins 2 through upper stage casing and earth's surface is discharged in upper stage casing return aircourse 1.Just Ore pass 6 more than the layered-liaison tunnel 11 and layering main transport roadway used may be used as filling, vent (-escape) raise 3, from this Upper blowdown wind, decentralization filling pipeline;Layered-liaison tunnel 11 currently in use and layering main transport roadway ore pass 6 below, are used Make the ore pass 6 of ore drawing.

Claims (5)

1. a kind of high-dipping ore block that ore-rock is smashed to pieces it is lower to or on exist to consolidated fill mechanized mining method, feature In from top to bottom or slice drift back production from bottom to top;After tunneling layered-liaison tunnel, enters ore body along layered-liaison tunnel, answer Explosion is substituted with boom-type roadheader and falls mine, and each layering arranges route, interval or suitable along orebody trend or capwise overall height Sequence route falls mine and forklift ore removal, is transferred to again after entire layering single stage or two step mining advancings and retrusive sand off Next layering, underhand stope or the raise mining on obturation bottom plate under obturation top plate.
2. according to claim 1 ore-rock high-dipping ore block smashed to pieces it is lower to or on to consolidated fill mechanized mining side Method, which is characterized in that enter stope from ramp and layered-liaison tunnel using boom-type roadheader, ore body is implemented from top to bottom Or from bottom to top as follows by slicing:
To thin lode body, the across pitch advance mining in layering, single stage back production is realized in retrusive prop drawing, filling;
To big thick ore body, the capwise arrangement route (stope) in layering implements two steps of interval or sequence in layering Back production is exploited along route protrusive straight line to disk boundary on ore body in back production, then retrusive prop drawing, filling, then is spaced or suitable Sequence route is exploited, and after waiting first steps to exploit, implements the interval of second step or route that sequence back production leaves.
3. according to claim 1 ore-rock high-dipping ore block smashed to pieces it is lower to or on to consolidated fill mechanized mining side Method, which is characterized in that in recovery process, working face is all made of boom-type roadheader and falls mine, forklift ore removal, hydraulic prop+π Type beam+plastic wire and local anchor pole progress supporting.
4. according to claim 1 ore-rock high-dipping ore block smashed to pieces it is lower to or on to consolidated fill mechanized mining side Method, which is characterized in that fill and withdraw with the following method pillar:
It is lower to cemented filling mining, when boom-type roadheader has adopted side and moved to another side route, finished in back production It is laid with filling piping in this side route and connects main filling system, carries out admission passage filling at twice, is filled for the first time for bottoming, second It is secondary commonly to be filled for route top, reinforced concrete vacation bottom is used when wherein first time bottoming fills, i.e., is spread in route bottoming filling layer If bar-mat reinforcement;Pillar withdraws 2-4m every time, and sets up flexible retaining wall, carries out primary filling, prevents running pulp, cycle operation until into Road filling finishes;
On to cemented filling mining, after withdrawing 2~4m pillars every time, admission passage filling is disposably completed, it is not necessary to bottom be laid with steel Muscle net.
5. according to claim 1 ore-rock high-dipping ore block smashed to pieces it is lower to or on to consolidated fill mechanized mining side Method, which is characterized in that use following means of defence and collapsed with to take precautions against lateral wall rock mass when pillar is withdrawn and fall into obturation:
Desending slicing admission passage filling is first laid with plastic wire and local anchor pole wall supporting, and monomer liquid before setting up hydraulic prop Pressure pillar squeezes tight lateral wall as possible, and lateral wall country rock is caving when to prevent pillar from withdrawing;
Upward slicing admission passage filling is first laid with plastic wire and local anchor pole wall supporting, top, and single before setting up hydraulic prop Body hydraulic prop squeezes tight lateral wall and top plate as possible, and lateral wall country rock is caving when to prevent pillar from withdrawing, while preventing top plate mine Stone inbreak.
CN201810456348.XA 2018-05-14 2018-05-14 downward or upward cemented filling mechanized mining method for steeply-inclined ore body with extremely-broken ore rock Active CN108756885B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109252863A (en) * 2018-11-13 2019-01-22 湖南黄金洞矿业有限责任公司 A method of breaking type thickness ore body is exploited using coal mine tunneling machine
CN110863829A (en) * 2019-12-26 2020-03-06 安徽理工大学 Method for mining steeply inclined coal seam by fully-mechanized excavating machine
CN111255459A (en) * 2020-02-25 2020-06-09 长沙矿山研究院有限责任公司 Combined downward mechanized filling mining method for steeply inclined extremely-broken ore vein
CN111894667A (en) * 2020-08-19 2020-11-06 长沙矿山研究院有限责任公司 Upward double-layered drift filling mining method for recoverable support shield of broken ore body
CN112360463A (en) * 2021-01-13 2021-02-12 矿冶科技集团有限公司 Mechanical mining method for thick and large ore body development machine

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EP0188282A2 (en) * 1985-01-15 1986-07-23 KELLER GRUNDBAU GmbH Impervious sealing and production method for creating self-supporting and excavatable ground masses for the realization of subterranean constructions such as hollow structures or the like
CN1693663A (en) * 2005-05-18 2005-11-09 邯邢冶金矿山管理局设计研究院 Upward spacing admission passage filling mining method
CN101158287A (en) * 2007-11-08 2008-04-09 北京科技大学 Honey comb structure consolidated fill mining method
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

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Publication number Priority date Publication date Assignee Title
EP0188282A2 (en) * 1985-01-15 1986-07-23 KELLER GRUNDBAU GmbH Impervious sealing and production method for creating self-supporting and excavatable ground masses for the realization of subterranean constructions such as hollow structures or the like
CN1693663A (en) * 2005-05-18 2005-11-09 邯邢冶金矿山管理局设计研究院 Upward spacing admission passage filling mining method
CN101158287A (en) * 2007-11-08 2008-04-09 北京科技大学 Honey comb structure consolidated fill mining method
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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109252863A (en) * 2018-11-13 2019-01-22 湖南黄金洞矿业有限责任公司 A method of breaking type thickness ore body is exploited using coal mine tunneling machine
CN110863829A (en) * 2019-12-26 2020-03-06 安徽理工大学 Method for mining steeply inclined coal seam by fully-mechanized excavating machine
CN111255459A (en) * 2020-02-25 2020-06-09 长沙矿山研究院有限责任公司 Combined downward mechanized filling mining method for steeply inclined extremely-broken ore vein
CN111255459B (en) * 2020-02-25 2020-11-17 长沙矿山研究院有限责任公司 Combined downward mechanized filling mining method for steeply inclined extremely-broken ore vein
CN111894667A (en) * 2020-08-19 2020-11-06 长沙矿山研究院有限责任公司 Upward double-layered drift filling mining method for recoverable support shield of broken ore body
CN112360463A (en) * 2021-01-13 2021-02-12 矿冶科技集团有限公司 Mechanical mining method for thick and large ore body development machine

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