CN104234716B - The packed cofferdam method of mining by the way of filling - Google Patents
The packed cofferdam method of mining by the way of filling Download PDFInfo
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- CN104234716B CN104234716B CN201410346959.0A CN201410346959A CN104234716B CN 104234716 B CN104234716 B CN 104234716B CN 201410346959 A CN201410346959 A CN 201410346959A CN 104234716 B CN104234716 B CN 104234716B
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- filling
- cofferdam
- obturator
- back production
- fixed frame
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000005065 mining Methods 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000005192 partition Methods 0.000 claims abstract description 6
- 239000002002 slurry Substances 0.000 claims abstract description 5
- 238000005553 drilling Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 7
- 241001330002 Bambuseae Species 0.000 claims description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 7
- 239000011425 bamboo Substances 0.000 claims description 7
- 238000011084 recovery Methods 0.000 abstract description 5
- 238000000605 extraction Methods 0.000 abstract description 2
- 239000011435 rock Substances 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 230000000740 bleeding effect Effects 0.000 description 3
- 238000009940 knitting Methods 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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Abstract
The present invention relates to a kind of packed cofferdam filling mining method, for back production subregion, construct the packed obturator cofferdam being connected with post to be dug up mine, the then dead zone in stoping-and-filling subregion cofferdam, including: (1), in back production partition boundaries, sets up three-dimensional netted obturator fixed frame；(2) the filling bag being provided with charging aperture is placed in obturator fixed frame, filling bag is fixed in fixed frame；(3) in filling bag, it is filled with slurry placement material, forms packed obturator cofferdam.The present invention is that stable operating conditions is created in the recovery of ore pillar, it is achieved some post, the safe and efficient back production of bar post under the conditions of through goaf, is effectively improved the rate of extraction and the production efficiency of ore pillar.
Description
Technical field
The invention belongs to Cut-and-fill Mining Technology field, be specifically related to a kind of packed cofferdam filling mining method.
Background technology
In China's underground metal mine, the ore deposit amount of possessing of ore pillar or remnant ore is the most considerable, and a lot of ore pillar grade of ores are high, compose
Depositing complicated condition, form and situation unclear, face sky more, conventional mining method exploitation generally also exists the problem that exploitation difficulty is big.
Used open-stope method and these high-grade ore pillars of Caving Method with Large Space back production can only be recovered to 10%～20% in the past.And when using filling method back production,
Under conditions of and goaf tall and big in goaf is mutually communicated, existing filling process technology is difficult to the subregion isolation in goaf
Filling, thus the recovery of ore pillar need to be high to the prescription of obturator in obturator or obturator periphery construction work, and
Being difficult to ensure the ore removal of stope, ventilation etc. everything goes well with your work and carry out, ultimately resulting in major part ore pillar cannot reclaim.Therefore, for this
Process for stoping complexity, the poor stability of class ore body, back production efficiency is low, loss and dilution is big, stoping cost is high, lacks safety at present
Efficient and reliable Cut-and-fill Mining Technology.
Summary of the invention
It is an object of the invention to provide a kind of packed cofferdam filling mining method, realize goaf subregion isolation and ore deposit safely and efficiently
Post partition recovery.
The technical scheme is that for back production subregion, construct the packed obturator cofferdam being connected with post to be dug up mine, then
Dead zone in stoping-and-filling subregion cofferdam, comprises the following steps:
(1) in back production partition boundaries, three-dimensional netted obturator fixed frame is set up；
(2) the filling bag being provided with charging aperture is placed in obturator fixed frame, filling bag is fixed in fixed frame；
(3) in filling bag, it is filled with slurry placement material, forms packed obturator cofferdam.
Dead zone can be run through and multiple ore pillar is combined and is divided into a back production subregion by a range of.When constructing cofferdam,
Post to be dug up mine an at least face is made to be positioned at outside obturator cofferdam.
Steel tube member bar or wooden rod member is used to set up three-dimensional netted obturator fixed frame.
Described filling bag is provided with charging aperture and air vent；Filling bag is provided with strap, with strap, filling bag is bundled in fixing structure
It is fixed on frame.
Bamboo board or plank is placed as baffle plate between filling bag and fixed frame.
Dead zone in employing tailing cemented filling mode stoping-and-filling subregion cofferdam, repeating said steps, until Tight filling.
Process for stoping includes:
(1) the ore pillar face outside obturator cofferdam is dug stoping operation passage, is entered ore pillar；
(2) carry out undercuting or digging drilling chamber in ore pillar bottom；
(3) use Upward slicing back production mode stooping pillaring or use upper centripetal deep hole elementary errors once to fall ore deposit stooping pillaring.
For the goaf formed after stooping pillaring, tailing cemented filling mode is used to carry out filling or with adjacent back production subregion together
Filling.
The present invention uses packed filling method to form obturator cofferdam as the block body hindering filling slurry flowing, it is achieved goaf
Subregion isolation filling, simultaneously by the consolidated fill in goaf in subregion, stable operating conditions is created in the recovery for ore pillar, it is achieved
Point post, the safe and efficient back production of bar post under the conditions of through goaf, is effectively improved the rate of extraction and the production efficiency of ore pillar.
Accompanying drawing explanation
Fig. 1 is the mining methods schematic diagram that the present invention uses Upward slicing back production mode stooping pillaring.
Fig. 2 is that the present invention uses medium-length hole elementary errors once to fall the mining methods schematic diagram of ore deposit stooping pillaring.
In figure: 1-stope pillar；2-packed obturator cofferdam；3-cemented fill；4-rock drilling lane；5-shallow bore hole big gun hole；6-adopts
Ore pillar；7-medium-length hole big gun hole；Ore pillar is numbered: 1 ', 2 ', 3 ', 4 ', 5 ', 6 ', 7 ', 8 ', 9 ', 10 ', 11 ', 12 ', 13 ',
14’、15’、16’。
Detailed description of the invention
In being embodied as, the packed cofferdam filling mining method of the present invention comprises the following steps:
1, stope divides and arranges
The safe span of maximum according to ore deposit rock mass and maximum exposure area condition, run through dead zone and multiple ore pillar by a range of
Combine and be divided into a back production subregion.
2, packed filling process
Use packed tailings cofferdam placement method for the back production subregion divided, form the packed obturator being connected with post to be dug up mine
Cofferdam, and make post to be dug up mine an at least face be positioned at outside obturator cofferdam so that back production, specifically include:
(1) set back production partition boundaries, set up three-dimensional netted obturator fixed frame, can use steel tube member bar or
Wooden rod member sets up；
(2) being placed in obturator fixed frame by filling bag, wherein filling bag has two openings, respectively as charging aperture and row
QI KOU.Strap can be set on filling bag to be easy to fix.Filling bag is preferably flexible knitting bag, has certain tensile strength and secretes
Aqueous energy.As one preferred embodiment, the horizontal length 5m-20m of filling bag, horizontal width are 1.8m-2.2m, hang down
Straight height is 1m-1.5m；
(3) with the strap on filling bag filling bag is bundled in fixed frame and is fixed, and in filling bag and fixed frame
Between place baffle plate, such as bamboo board or plank；
(4) filling pipe is accessed filling bag charging aperture, be filled with slurry placement material, during discharge hole for discharge, stop filling；
(5), when the slip bleeding in filling bag, solidification, after forming packed obturator cofferdam, tailing cemented filling mode is used
Dead zone in stoping-and-filling subregion cofferdam；
(6) repetition step (1) is to step (5), until Tight filling.
3, process for stoping
(1) the ore pillar face digging stoping operation passage outside obturator cofferdam enters ore pillar；
(2) carry out undercuting or digging drilling chamber in ore pillar bottom；
(3) use Upward slicing back production mode stooping pillaring or use upper centripetal deep hole elementary errors once to fall ore deposit stooping pillaring；
(4) use scraper that broken ore is transported to drop shaft or direct entrucking transports；
(5) for after stooping pillaring formed goaf, use tailing cemented filling mode carry out filling or with adjacent back production subregion
Together filling.
Below by way of specific embodiments and the drawings 1,2, the present invention will be described in detail.
Embodiment one
It will be seen from figure 1 that the present invention use packed cofferdam filling mining method, it is adaptable to goaf subregion isolation filling and
Ore pillar partition recovery.
As it is shown in figure 1, when ore deposit rock is firm, by 1 ', 2 ', 3 ', 4 ' numbers four ore pillars and between through dead zone be divided into one
Individual back production subregion.
Use packed tailing-filled method to form the packed obturator cofferdam being connected with post to be dug up mine, construct packed obturator and enclose
Post to be dug up mine an at least face must be made during weir to be positioned at outside obturator cofferdam, and with People's Bank of China, transport, the channel connection such as ventilation.
Concretely comprising the following steps of packed filling: 1. use steel tube member bar to set up three-dimensional netted filling between adjacent 1 ', 2 ', 3 ', 4 ' ore pillars
Body fixed frame, the horizontal interval of fixed frame steel tube member bar is 2m, is vertically spaced apart 1m, uses casting between steel pipe and steel pipe
Hasp part connects；2. by a length of 10m, a width of 2m, a height of 1m, it is provided with charging aperture and the flexible knitting of two openings of air vent
Filling bag, fixes architecturally, and places bamboo board between filling bag and fixed frame, and bamboo board iron wire is fixed on framework
On；3. filling pipe is accessed filling bag charging aperture, is filled with cement last mortar cemented filling material, stop filling when discharge hole for discharge；
4. when after the slip bleeding in filling bag, solidification, the dead zone in this layer of obturator cofferdam of back production subregion is carried out tailing cemented filling；
5. step is repeated 1. to step 4., until back production subregion Tight filling.
To be filled recuperating is protected to desired strength, uses Upward slicing back production mode stooping pillaring.First draw bottom ore pillar during back production
The end, forms the layer that undercuts, the horizontal big gun hole using shallow bore hole rock drilling equipment Drilling hole depth to be 2～3m afterwards, is layered the ore deposit that falls.Broken ore
Major part first stay in stope, as the job platform adopted on continuing, until after the whole avalanche of this ore pillar, using scraper to enter
The a large amount of ore removals of row.
The goaf formed after stooping pillaring, will together carry out filling with adjacent back production subregion.
Embodiment two
Figure it is seen that for ore deposit rock the firmest time, by 9 ', 10 ', 11 ', 12 ' numbers four ore pillars and fill with exploiting field
Fill out the through dead zone between body and be divided into a back production subregion.
Use packed tailing-filled method to form the packed obturator cofferdam being connected with post to be dug up mine and adjacent obturator, construct
Post to be dug up mine an at least face must be made during packed obturator cofferdam to be positioned at outside obturator cofferdam, and with People's Bank of China, transport, logical
The channel connections such as wind.Concretely comprising the following steps of packed filling: 1. between 9 ', 10 ', 11 ', 12 ' numbers ore pillars and adjacent obturator
Using steel tube member bar to set up three-dimensional netted obturator fixed frame, the horizontal interval of fixed frame steel tube member bar is 2m, is vertically spaced
For 1m, cast iron fastener between steel pipe with steel pipe, is used to be connected；2. by a length of 10m, a width of 2m, a height of 1m, it is provided with charging aperture
With the flexible knitting filling bag of two openings of air vent, fix architecturally, and between filling bag and fixed frame, place bamboo weaving
Plate, bamboo board is fixing architecturally with iron wire；3. filling pipe is accessed filling bag charging aperture, is filled with cement last mortar consolidated fill
Material, stops filling when discharge hole for discharge；4. when after the slip bleeding in filling bag, solidification, to this layer of obturator of back production subregion
Dead zone in cofferdam carries out tailing cemented filling；5. step is repeated 1. to step 4., until back production subregion Tight filling.
To be filled recuperating is protected to desired strength, uses upper centripetal deep hole elementary errors once to fall miner's skill stooping pillaring.During back production, first
Construction rock drilling lane bottom ore pillar, uses medium-length hole rig Drilling upper centripetal deep hole afterwards in rock drilling lane, and both sides, rock drilling lane use
Shallow bore hole rock drilling equipment Drilling horizontal shallow hole, elementary errors once falls ore deposit.Broken ore uses scraper to carry out ore removal.
The goaf formed after stooping pillaring, will together carry out filling with adjacent back production subregion.
Claims (4)
1. a filling mining method, it is characterised in that run through dead zone and multiple ore pillar is combined and is divided into by a range of
Individual back production subregion；For back production subregion, construct the packed obturator cofferdam being connected with post to be dug up mine, make post to be dug up mine at least
One face is positioned at outside obturator cofferdam, then the dead zone in stoping-and-filling subregion cofferdam, comprises the following steps:
(1) in back production partition boundaries, three-dimensional netted obturator fixed frame is set up；
(2) the filling bag being provided with charging aperture is placed in obturator fixed frame, filling bag is fixed in fixed frame；
(3) in filling bag, it is filled with slurry placement material, forms packed obturator cofferdam；
Dead zone in employing tailing cemented filling mode stoping-and-filling subregion cofferdam, repeat the above steps, until Tight filling；
Process for stoping includes: the ore pillar face digging stoping operation passage outside obturator cofferdam, entrance ore pillar；Carry out in ore pillar bottom
Undercut or dig drilling chamber；Use Upward slicing back production mode stooping pillaring or use upper centripetal deep hole elementary errors once to fall ore deposit back production
Ore pillar；
For after stooping pillaring formed goaf, use tailing cemented filling mode carry out filling or with adjacent back production subregion together filling.
Filling mining method the most according to claim 1, it is characterised in that use steel tube member bar or wooden rod member to set up three-dimensional netted
Obturator fixed frame.
Filling mining method the most according to claim 1, it is characterised in that described filling bag is provided with charging aperture and air vent；Fill
Fill out bag and be provided with strap, with strap filling bag is bundled in fixed frame and is fixed.
Filling mining method the most according to claim 1, it is characterised in that between filling bag and fixed frame place bamboo board or
Plank is as baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410346959.0A CN104234716B (en) | 2014-07-22 | 2014-07-22 | The packed cofferdam method of mining by the way of filling |
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| CN201410346959.0A CN104234716B (en) | 2014-07-22 | 2014-07-22 | The packed cofferdam method of mining by the way of filling |
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| CN104234716A CN104234716A (en) | 2014-12-24 |
| CN104234716B true CN104234716B (en) | 2016-08-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104695958B (en) * | 2015-03-02 | 2017-03-15 | 深圳市中金岭南有色金属股份有限公司凡口铅锌矿 | A kind of erection method of ore removal stope first floor earth mat |
| CN106968676B (en) * | 2017-03-27 | 2019-12-17 | 山西潞安环保能源开发股份有限公司 | Method for tunneling through cavity |
| CN109098715A (en) * | 2018-08-14 | 2018-12-28 | 云南木利锑业有限公司 | Packed filling mining method |
| CN112081624B (en) * | 2020-09-15 | 2021-09-21 | 中南大学 | Mining environment reconstruction method based on waste tire recycling |
| CN117514329B (en) * | 2024-01-05 | 2024-03-19 | 中煤科工能源科技发展有限公司 | Mining cave filling method |
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|---|---|---|---|---|
| CN1162058A (en) * | 1996-04-05 | 1997-10-15 | 李良健 | Residue-less pillar recovering method |
| CN1373286A (en) * | 2002-03-05 | 2002-10-09 | 殷惠钧 | Mining method by cutting ore breakdown and dry filling artificial ore pillars |
| CN101749019A (en) * | 2009-10-30 | 2010-06-23 | 韦立坚 | Method for forming artificial ore pillar and mining method |
| CN102434162A (en) * | 2011-12-27 | 2012-05-02 | 中矿金业股份有限公司 | Panel tailing filling mining method |
| CN103233739A (en) * | 2013-04-16 | 2013-08-07 | 北京矿冶研究总院 | Mining method for thick and large ore pillar under filling body package |
-
2014
- 2014-07-22 CN CN201410346959.0A patent/CN104234716B/en active Active
Patent Citations (5)
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|---|---|---|---|---|
| CN1162058A (en) * | 1996-04-05 | 1997-10-15 | 李良健 | Residue-less pillar recovering method |
| CN1373286A (en) * | 2002-03-05 | 2002-10-09 | 殷惠钧 | Mining method by cutting ore breakdown and dry filling artificial ore pillars |
| CN101749019A (en) * | 2009-10-30 | 2010-06-23 | 韦立坚 | Method for forming artificial ore pillar and mining method |
| CN102434162A (en) * | 2011-12-27 | 2012-05-02 | 中矿金业股份有限公司 | Panel tailing filling mining method |
| CN103233739A (en) * | 2013-04-16 | 2013-08-07 | 北京矿冶研究总院 | Mining method for thick and large ore pillar under filling body package |
Non-Patent Citations (1)
| Title |
|---|
| 金属矿山的矿柱回采;杨源伦;《工程设计与研究》;19951215;第2页第2栏 * |
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Denomination of invention: Bagged cofferdam filling mining method Effective date of registration: 20220819 Granted publication date: 20160824 Pledgee: China Construction Bank Co.,Ltd. Xiushui sub branch Pledgor: Jiangxi Xiushuixianglushan Tungsten Industry Co.,Ltd. Registration number: Y2022980013064 |
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Denomination of invention: Bagged cofferdam filling mining method Effective date of registration: 20230925 Granted publication date: 20160824 Pledgee: China Construction Bank Co.,Ltd. Xiushui sub branch Pledgor: Jiangxi Xiushuixianglushan Tungsten Industry Co.,Ltd. Registration number: Y2023980058963 |