CN102953733A - Central outside-vein house pillar type combined crosscut two-end inside-vein continuous segment filling mining method - Google Patents

Central outside-vein house pillar type combined crosscut two-end inside-vein continuous segment filling mining method Download PDF

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CN102953733A
CN102953733A CN2011102432487A CN201110243248A CN102953733A CN 102953733 A CN102953733 A CN 102953733A CN 2011102432487 A CN2011102432487 A CN 2011102432487A CN 201110243248 A CN201110243248 A CN 201110243248A CN 102953733 A CN102953733 A CN 102953733A
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ore
veins
arteries
panel
mineral building
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彭康
李夕兵
姚金蕊
赵国彦
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彭康
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Abstract

The invention discloses a central outside-vein house pillar type combined crosscut two-end inside-vein continuous segment filling mining method for medium-thickness inclined crushed phosphorus ores. The method comprises the following steps: dividing an ore into middle segments, dividing each of the middle segments into panels, dividing each of the panels into segments, dividing the center of each of the segments into ore houses and ore pillars, and dividing two ends of each of the segment along an inside-vein drilling ore-removal level non-pillar into recovery units; adopting a hanging side outside-vein trackless mining system which is formed by a panel ramp, a concentrated ore-removal ore-pass, segment levels at the central outside-vein and shifting to inside-vein at two sides, and an connection lane commonly used by the ore houses and the ore pillars; recovering the ore houses in the middle segments, filling close to back, and recovering the ore pillars; and carrying out parallel operations of technologies comprising drilling, exploding, supporting, ore removal, filling and the like of a plurality of the ore houses to realize continuous mining. The method disclosed in the invention has the substantial characteristics of improvement of the recovery safety and the panel productivity, reduction of the resource dilution rate and the mining-cutting ratio, increase of enterprise benefits and the like.

Description

The contiguous segmentation method of mining by the way of filling in the arteries and veins of the outer house column type associating of central authorities' arteries and veins two ends, crosscut
Technical field
The present invention relates to a kind of in the contiguous segmentation method of mining by the way of filling in the outer house column type associating of central arteries and veins two ends, the crosscut arteries and veins of the broken phosphorus ore body of thick inclination, be applicable to mainly that orebody trend is long, ore body is more regular, the ore deposit rock is not too firm, and the broken phosphorus ore body exploitation of thick inclination in requiring that production capacity is large, efficient is high, simultaneous adaptation adopts the similar ore body of cut and fill outside the dephosphorization ore body.
Technical background
China's phosphorus ore type belongs to the Sinian system marine deposit, and this is organized phosphorous stratum and mainly is comprised of dolomite, phosphorite, argillaceous rocks and the transition rock between them.The industry ore bed mostly is gentle dip~Medium Thickness And Medium Slope Angle breaking ore body, is stratiform, like the stratiform output, and orebody trend is long, ore deposit rock less stable.Traditional open-stope method and Caving Method with Large Space are continued to use in the at present underground phosphor resource exploitation of China always, and not only Ore loss and dilution rates is high, and the wasting of resources is extremely serious, and cause exploiting the Important Project disasters such as the interior massif avalanche of boundary, gob collapse.
Along with the rock phosphate in powder price progressively improves, national industry is planned away without the road of useless evil exploitation, is walked Practice of Developing Cycle Economic.How to improve resource recovery, prolong mine life, building Green Mine is the current great difficult problem that faces in China phosphorus ore mountain.Therefore, how to realize in the broken phosphorus ore body of thick inclination safe and efficient, low to adopt accurate be core of innovation of the present invention than, low poor damage exploitation.
Summary of the invention
The technical problem to be solved in the present invention be in the broken phosphorus ore body of thick inclination provide a kind of low poor damage, low adopt accurate than the contiguous segmentation method of mining by the way of filling in the outer house column type associating of central arteries and veins two ends, the crosscut arteries and veins of, safety, efficient back production.
In order to solve the problems of the technologies described above, the contiguous segmentation method of mining by the way of filling in the arteries and veins of the outer house column type associating of central arteries and veins provided by the invention two ends, crosscut, be the stage casing with ore body division, divide the panel in the stage casing, divide segmentation in the panel, the back production unit is divided at segmentation central authorities division mineral building ore pillar, segmentation two ends along the pulse interior rock drilling ore removal gallery pillar; The outer trackless of Pan Mai is adopted Barebone in the employing, by mining panel ramp, concentrating mining drop shaft, central arteries and veins outer+both sides change slice drift, mineral building ore pillar in the arteries and veins over to and share the ore removal connection roadway and consist of; First rooming filling connects behind the top again stooping pillaring in the stage casing; Realize continuously mining by technique parallel operations such as a plurality of mineral building rock drilling, explosion, supporting, ore removal, fillings in the same segmentation.
Technical solution of the present invention is as follows:
1, the ore body across pitch is divided the panel, the long 300~800m in panel, the high 40~60m that hangs down, the segmentation high 8~12m that hangs down; Panel central authorities adopt arteries and veins to adopt the accurate mineral building ore pillar of dividing outward, and mineral building is divided at two ends, panel along the pulse interior rock drilling ore removal gallery free of discontinuities; Mineral building ore pillar width is 15m~30m, highly is the vertical high 8~12m of segmentation, plagioclase 15~22m;
2, the trackless in the interior associating segmentation tunnel of the outer arteries and veins of dish arteries and veins outslope road and arteries and veins is adopted Barebone in the employing, and central drop shaft is arranged in ramp central authorities, and two ends, panel drop shaft is apart from boundary line, panel 100~160m, and the inclination angle is 55~65 °; At the aperture position of mining panel ramp, to hang down every 8~12m high to ore body driving connection roadway, each mineral building and the shared connection roadway of ore pillar greater than slice drift outside the 12m position level drive arteries and veins, tunnel to each ore pillar apart from the boundary line of ore body simultaneously in panel central authorities; Slice drift apart from boundary line, panel 80~140m by changing over to outside the arteries and veins in the arteries and veins, as the rock drilling ore removal gallery of two ends, panel mineral building; The stope end ventilates to going up a hill along dish driving cutting on the ore body and connects with upper slice drift, as the scope of freedom of stope medium-length hole blasting;
3, combined bolting and shotcrete is carried out with rock bolting jumbo, whitewashing chassis in the stope walkway, adopt the perforating of hydraulic pressure medium-length hole chassis, the powder charge of powder charge chassis, the poor detonator of non-electricity millisecond adds detonator and detonates, the scraper ore removal, the long-armed type raking loader reclaims the bottom plate triangular ore, and stope ventilation relies on the mine main air to press and upward incise ventilates along the upper slice drift of dish perforation on the ore body, and the technique parallel operations such as a plurality of mineral building rock drilling in the segmentation, explosion, supporting, ore removal, filling realize digging up mine continuously;
4, central mineral building back production complete after, the place builds filling counterfort by laying bricks or stones in mineral building and ore pillar line of demarcation; After two ends mineral building back production is complete, directly in reef drift, build filling counterfort by laying bricks or stones; After pillar recovery is complete, build filling counterfort by laying bricks or stones in mineral building and ore pillar share connection roadway, all filling is carried out in segmentation from the goaf.The mineral building ore pillar of the first segmentation adopts the high strength cemented fill, as the artificial roof pillar of lower stage casing exploitation; The complete barren rock cemented fill that in arteries and veins, adopts of other mineral building back production, ore pillar adopts the useless Non cemented filling of tail; The thick filling top dressing of the 1m of all mineral building ore pillars all adopts high strength cemented fill and laying barren rock, is beneficial to the walking of trackless equipment.
Beneficial effect
1, stoping safety is high
Adopt the method for mining by the way of filling, the stope both sides are protolith during the mineral building exploitation, and the stope both sides are consolidated fill during Pillar mining, have controlled stope ground and have pressed; All rock drilling, ore removal technique all in the arteries and veins of supporting the rock drilling discharging tunnel or the dish dolomite in, job safety.
2, panel production capacity is large
Panel central authorities adopt arteries and veins to adopt outward and will definitely realize the simultaneously operations of a plurality of stopes, remedy two ends, panel in-vein preparatory work and adopt the few restriction of the accurate scope of operation, can a plurality of mineral building rock drilling in the segmentation, the technique parallel operations such as explosion, supporting, ore removal, filling realize continuously mining.
3, low adopting accurate the ratio
The outer slice drift of panel central authorities level drive arteries and veins by changing over to outside the arteries and veins in the arteries and veins as the rock drilling ore removal gallery of two ends, panel mineral building, has reduced by the outer segmentation tunnel of arteries and veins of 160~280m during apart from boundary line, panel 80~140m; To each ore pillar central authorities each mineral building of driving and the shared connection roadway of ore pillar, saved every ore removal connection roadway to the mineral building driving simultaneously.
4, the resources loss rate of dilution is little
Arrange the mineral building ore pillar by free of discontinuities in segmentation, the post of digging up mine behind the room of digging up mine first, stope be without once loss, makes originally because using the unworkable studding of sublevel open stope method, top-bottom pillar all to reclaim, and the rate of recovery brings up to 90% by 68%; Roof collapse has been reduced with the useless filling of tail in the goaf, and the rate of dilution is reduced to 6% by 10%.
5, mechanization degree is high, labour intensity is low
Adopt trackless to adopt Barebone, be equipped with the advanced winning equipments such as jumbo, powder charge chassis, scraper and rock bolting jumbo, not only mechanization degree is high, and has saved the labour, has reduced workman's labour intensity, has strengthened the safety of mining work efficiency and operation.
Description of drawings
Fig. 1 is mining methods structural representation of the present invention
Fig. 2 is the B-B sectional drawing of Fig. 1
Fig. 3 is the C-C sectional drawing of Fig. 1
Among the figure: 1-level haulage gallery, the outer slice drift of 2-arteries and veins, slice drift in the 3-arteries and veins, 4-central authorities drop shaft, 5-drop shaft connecting taxiway, 6-ore removal connection roadway, rock drilling discharging tunnel in the 7-arteries and veins, 8-upward incise, 9-filling counterfort, the 10-ore, 11-low-intensity cemented fill, 12-high strength cemented fill, the 13-arteries and veins is adopted accurate mineral building outward, the 14-arteries and veins is adopted accurate ore pillar outward, 15-in-vein preparatory work mineral building
The specific embodiment
The embodiment phosphorylcholine group mining industry parent company that opens a mine take Guizhou is example with a stope of sand bar.
With the present limit of mining in sand bar ore deposit be+920~+ 1120m, seam thickness is being walked upwards more stablely, moves towards long nearly 3800m; Ore body Average True thickness 6.5m, 32 ° of mean obliquities; Grade of ore average out to 35.66%, unit weight are 2.78t/m 3, rock phosphate in powder reserves A+B+C+D level 2723.22 ten thousand t.Ore bed and roof and floor country rock boundary line are clear, and immediate roof is the instable layer of carbonate and silicates rock intersection output, and top board is dolomite indirectly, and the ore bed immediate bottom is quartz sandstone or red shale.The implementation step is as follows:
1, the ore body across pitch is divided the panel, the long 800m in panel, the high 50m that hangs down, the vertical height of segmentation is 10m; Panel central authorities adopt arteries and veins to adopt the accurate mineral building ore pillar of dividing outward, and mineral building is divided at two ends, panel along the pulse interior rock drilling ore removal gallery free of discontinuities; Mineral building and ore pillar width are 20m, highly are the vertical high 10m of segmentation, plagioclase 15.4m.
2, arrange that in upper dish dolomite trackless is adopted Barebone outside the arteries and veins, such as Fig. 1, Fig. 2 and shown in Figure 3, at first tunnel level haulage gallery 1, then in the spiral ramp of panel central authorities driving and crossdrift, web boundary line 15m slice drift 2 outside orebody trend driving arteries and veins on the ore body changes slice drift 3 in the arteries and veins over to during apart from boundary line, panel 160m again, central authorities' ore pass 4 is arranged in the ramp middle position, the inclination angle is 55~65 °, for ease of ore removal, arranges an ore pass every 200m in the panel.
3, (the ore removal connection roadway is arranged in the middle position of ore pillar to ore body driving ore removal connection roadway 6 every 40m in the slice drift outside arteries and veins, a mineral building and an ore pillar share an ore removal connection roadway), then by rock drilling discharging tunnel 7 in the dish driving arteries and veins on the ore body, in each stope end apart from 2.5~3m place, back production border, by ventilation upward incise 8 of dish driving on the ore body, cutting is ventilated to going up a hill and is connected with upper sublevel drilling lane, ensures stope and divide up and down intersegmental formation to connect distinguished and admirable.
4, the stope support place is in the interior rock drilling discharging tunnel of arteries and veins and the upward incise, adopts bolting with wire mesh depending on the balkstone stable case, and local Area cracked adopts Bolt/shotcreting/steel mesh combined support, and bolt support net degree is 1.0 * 1.0m (spacing * array pitch).
5, adopt Sandvik DL330-5 jumbo in arteries and veins in the rock drilling ore removal lane on the Drilling to fan shaped medium length hole, aperture 60~65mm.Take cutting ventilate go up a hill as the kerve long and medium hole drilling parameter on the scope of freedom as array pitch 1.0~1.2m, at the bottom of the hole apart from 2.0m.Stope ore caving long and medium hole drilling parameter is: array pitch 2.0m, distance 2.0~2.4m at the bottom of the hole.
6, adopt powder charge chassis dress emulsion or people's frock medium-length hole web-like explosive, take the ventilation upward incise as the scope of freedom, pull open along the full section of stope, in the explosion first time of stope kerve, the ventilation upward incise has the thick ore body of 2.5~3m with the explosion of kerve district apart from the stope border.
7, after the full section of stope pulled open, with adopting 5,7,9 sections poor detonators of non-electricity millisecond in the row, 3 sections poor detonators of non-electricity millisecond detonated, every separate explosion 3~4 rows, drawing back.
8, adopt EST1020 electric LHD or ST1020 diesel LHD ore removal, through ore removal route ore removal gallery to arteries and veins, pour the ore removal drop shaft into.The bottom plate triangular ore adopts VOLVO long-armed type raking loader to reclaim.
9, stope ventilation fresh distinguished and admirable by lower stage casing haulage way through mining panel ramp, outer slice drift to the connection roadway of passages through which vital energy circulates enters stope; The dirty wind of stope enters rock drilling ore removal lane in the upper segmentation arteries and veins by the ventilation upward incise, enters the ore removal connection roadway, and the outer gallery of passages through which vital energy circulates and ramp are discharged.Local location can adopt portable blower to improve stope ventilation.
10, central mineral building back production complete after, the place builds filling counterfort by laying bricks or stones in mineral building and ore pillar line of demarcation; After two ends mineral building back production is complete, directly in reef drift, build filling counterfort by laying bricks or stones; After pillar recovery is complete, build filling counterfort by laying bricks or stones in mineral building and ore pillar share connection roadway, all filling is carried out in segmentation from the goaf.The mineral building ore pillar of the first segmentation adopt 1: 1: 4 (cement: flyash: ardealite) cemented fill, as the artificial roof pillar of lower stage casing exploitation; Other mineral building back production are complete in arteries and veins, adopt barren rock to add 1: 1: 6 (cement: flyash: ardealite) cemented fill, ore pillar adopt the useless Non cemented filling of tail; The thick filling top dressing of the 1m of all mineral building ore pillars all adopts 1: 1: 4, and (cement: flyash: ardealite) cemented fill and laying barren rock are beneficial to the walking of trackless equipment.
By adopting the contiguous segmentation method of mining by the way of filling in the arteries and veins of the outer house column type associating of central arteries and veins two ends, crosscut, realized adopting with the broken phosphorus ore body of thick inclination in the sand bar ore deposit safe and efficient, low and accurately exploited than, low poor damage.

Claims (4)

1. the contiguous segmentation method of mining by the way of filling in the arteries and veins of the outer house column type associating of the central arteries and veins of the broken phosphorus ore body of thick inclination two ends, crosscut in a kind, it is characterized in that: be the stage casing with ore body division, divide the panel in the stage casing, divide segmentation in the panel, the back production unit is divided at segmentation central authorities division mineral building ore pillar, segmentation two ends along the pulse interior rock drilling ore removal gallery pillar; The outer trackless of Pan Mai is adopted Barebone in the employing, by mining panel ramp, concentrating mining drop shaft, central arteries and veins outer+both sides change slice drift, mineral building ore pillar in the arteries and veins over to and share connection roadway and consist of; First rooming filling connects behind the top again stooping pillaring in the stage casing; In same segmentation, realize continuously mining by technique parallel operations such as a plurality of mineral building rock drilling, explosion, supporting, ore removal, fillings.
2. the contiguous segmentation method of mining by the way of filling in the arteries and veins of the outer house column type associating of a kind of central arteries and veins according to claim 1 two ends, crosscut is characterized in that: the ore body across pitch is divided the panel, the long 300~800m in panel, the high 40~60m that hangs down, the segmentation high 8~12m that hangs down; Panel central authorities adopt arteries and veins to adopt the accurate mineral building ore pillar of dividing outward, and mineral building is divided at two ends, panel along the pulse interior rock drilling ore removal gallery free of discontinuities; Mineral building ore pillar width is 15m~30m, highly is the vertical high 8~12m of segmentation, plagioclase 15~22m.
3. require the contiguous segmentation method of mining by the way of filling in the arteries and veins of the outer house column type associating of 1 described a kind of central arteries and veins two ends, crosscut according to profit, it is characterized in that: the trackless in the interior associating segmentation tunnel of the outer arteries and veins of dish arteries and veins outslope road and arteries and veins is adopted Barebone in the employing, central authorities' drop shaft is arranged in ramp central authorities, and the inclination angle is 55~65 °; At the aperture position of mining panel ramp, to hang down every 8~12m high to ore body driving connection roadway, each mineral building and the shared connection roadway of ore pillar greater than slice drift outside the 12m position level drive arteries and veins, tunnel to each ore pillar apart from the boundary line of ore body simultaneously in panel central authorities; Slice drift apart from boundary line, panel 80~140m by changing over to outside the arteries and veins in the arteries and veins, as the rock drilling ore removal gallery of two ends, panel mineral building; Go up a hill and the perforation of upper slice drift along ore body dish driving cutting ventilation in the stope end, as the scope of freedom of stope medium-length hole blasting.
4. require the contiguous segmentation method of mining by the way of filling in the arteries and veins of the outer house column type associating of 1,2,3 described a kind of central arteries and veins two ends, crosscut according to profit, it is characterized in that: after the central mineral building back production in the panel is complete, build filling counterfort by laying bricks or stones at mineral building and place, ore pillar line of demarcation; After two ends mineral building back production is complete, directly in the reef drift at two ends, panel, build filling counterfort by laying bricks or stones; After pillar recovery is complete, build filling counterfort by laying bricks or stones in mineral building and ore pillar share connection roadway, all filling is carried out in segmentation from the goaf.The mineral building ore pillar of the first segmentation all adopts the high strength cemented fill, as the artificial roof pillar of lower stage casing exploitation; The complete barren rock cemented fill that in arteries and veins, adopts of other mineral building back production, ore pillar adopts the useless Non cemented filling of tail; The thick filling top dressing of the 1m of all mineral building ore pillars all adopts high strength cemented fill and laying barren rock, is beneficial to the walking of trackless equipment.
CN2011102432487A 2011-08-19 2011-08-19 Central outside-vein house pillar type combined crosscut two-end inside-vein continuous segment filling mining method Pending CN102953733A (en)

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CN103982184A (en) * 2014-06-10 2014-08-13 山东黄金矿业(莱州)有限公司三山岛金矿 Falling ore directional slip control method adopting underground mine bottom-pillar-free caving mining method
CN104358574A (en) * 2014-09-04 2015-02-18 广东安元矿业勘察设计有限公司 Horizontal room-and-pillar mining method of slightly inclined orebody
CN104695960A (en) * 2015-02-10 2015-06-10 山东黄金矿业(玲珑)有限公司 Air column well completion back coming subsequent filling mining method
CN105422101A (en) * 2015-12-10 2016-03-23 贵州晨辉达矿业工程设计有限公司 Synchronous mining shrinkage stoping method for double-layer mine variety inclined ore body
CN105781551A (en) * 2016-04-11 2016-07-20 贵州晨辉达矿业工程设计有限公司 Horizontal strip type mixed filling mining method applicable to three-underground orebody mining
CN106089205A (en) * 2016-08-19 2016-11-09 贵州晨辉达矿业工程设计有限公司 A kind of room-and-pillar method filling mining method being applicable to very thin ore body under water body
CN106337687A (en) * 2015-07-10 2017-01-18 中国华冶科工集团有限公司 Convenient segmented support method for mine slant chute
CN108301835A (en) * 2018-02-09 2018-07-20 兰州有色冶金设计研究院有限公司 Pseudo- inclined ramp road panel point pillar method of stoping
CN108661645A (en) * 2018-03-29 2018-10-16 安徽马钢张庄矿业有限责任公司 The method of end lean ore body back production
CN109339785A (en) * 2018-12-12 2019-02-15 中南大学 A kind of intensive mining methods of gently inclined medium thick orebody multiple-unit combination
CN110284884A (en) * 2019-05-28 2019-09-27 西北矿冶研究院 A kind of low-angle dip-slant middle thick orebody recovery method
CN110295908A (en) * 2019-06-20 2019-10-01 中南大学 A kind of gently inclined medium thick orebody mining methods in the segmentation lane that rises and falls
CN110761793A (en) * 2019-11-22 2020-02-07 西北矿冶研究院 High-efficiency large-scale mining method for low-grade slowly-inclined thin ore body

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CN103982184B (en) * 2014-06-10 2016-03-16 山东黄金矿业(莱州)有限公司三山岛金矿 Underground mine oper cylinler caved stopes falls the directed landing control method of ore
CN103982184A (en) * 2014-06-10 2014-08-13 山东黄金矿业(莱州)有限公司三山岛金矿 Falling ore directional slip control method adopting underground mine bottom-pillar-free caving mining method
CN104358574A (en) * 2014-09-04 2015-02-18 广东安元矿业勘察设计有限公司 Horizontal room-and-pillar mining method of slightly inclined orebody
CN104358574B (en) * 2014-09-04 2016-06-01 广东安元矿业勘察设计有限公司 The horizontal room-and-pillar stoping of gently inclined orebody
CN104695960B (en) * 2015-02-10 2016-11-02 山东黄金矿业(玲珑)有限公司 Air column becomes well back coming afterwards filling mining method
CN104695960A (en) * 2015-02-10 2015-06-10 山东黄金矿业(玲珑)有限公司 Air column well completion back coming subsequent filling mining method
CN106337687A (en) * 2015-07-10 2017-01-18 中国华冶科工集团有限公司 Convenient segmented support method for mine slant chute
CN105422101A (en) * 2015-12-10 2016-03-23 贵州晨辉达矿业工程设计有限公司 Synchronous mining shrinkage stoping method for double-layer mine variety inclined ore body
CN105781551A (en) * 2016-04-11 2016-07-20 贵州晨辉达矿业工程设计有限公司 Horizontal strip type mixed filling mining method applicable to three-underground orebody mining
CN106089205A (en) * 2016-08-19 2016-11-09 贵州晨辉达矿业工程设计有限公司 A kind of room-and-pillar method filling mining method being applicable to very thin ore body under water body
CN108301835A (en) * 2018-02-09 2018-07-20 兰州有色冶金设计研究院有限公司 Pseudo- inclined ramp road panel point pillar method of stoping
CN108301835B (en) * 2018-02-09 2019-11-08 兰州有色冶金设计研究院有限公司 Pseudo- inclined ramp road panel point pillar method of stoping
CN108661645A (en) * 2018-03-29 2018-10-16 安徽马钢张庄矿业有限责任公司 The method of end lean ore body back production
CN109339785A (en) * 2018-12-12 2019-02-15 中南大学 A kind of intensive mining methods of gently inclined medium thick orebody multiple-unit combination
CN109339785B (en) * 2018-12-12 2019-10-01 中南大学 A kind of intensive mining methods of gently inclined medium thick orebody multiple-unit combination
CN110284884A (en) * 2019-05-28 2019-09-27 西北矿冶研究院 A kind of low-angle dip-slant middle thick orebody recovery method
CN110295908A (en) * 2019-06-20 2019-10-01 中南大学 A kind of gently inclined medium thick orebody mining methods in the segmentation lane that rises and falls
CN110761793A (en) * 2019-11-22 2020-02-07 西北矿冶研究院 High-efficiency large-scale mining method for low-grade slowly-inclined thin ore body

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