CN110439562A - A kind of inclination phosphorus ore adopts Barebone and recovery method - Google Patents
A kind of inclination phosphorus ore adopts Barebone and recovery method Download PDFInfo
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- CN110439562A CN110439562A CN201910779619.XA CN201910779619A CN110439562A CN 110439562 A CN110439562 A CN 110439562A CN 201910779619 A CN201910779619 A CN 201910779619A CN 110439562 A CN110439562 A CN 110439562A
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910052698 phosphorus Inorganic materials 0.000 title claims abstract description 38
- 239000011574 phosphorus Substances 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000011084 recovery Methods 0.000 title claims description 13
- 230000032258 transport Effects 0.000 claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 claims abstract description 17
- 238000005065 mining Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 14
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 7
- 235000011613 Pinus brutia Nutrition 0.000 claims description 7
- 241000018646 Pinus brutia Species 0.000 claims description 7
- 238000010790 dilution Methods 0.000 abstract description 7
- 239000012895 dilution Substances 0.000 abstract description 7
- 238000000605 extraction Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 description 8
- 230000007423 decrease Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/22—Methods of underground mining; Layouts therefor for ores, e.g. mining placers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/14—Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Remote Sensing (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Road Paving Structures (AREA)
Abstract
Adopting Barebone and adopt quasi- method the embodiment of the invention discloses a kind of inclination phosphorus ore, adopting Barebone includes Ileal neobladder and mining roadway, and wherein Ileal neobladder includes transportation roadway, air return lane, the centre lane Xiang Hekaiqie；Mining roadway includes that return air goes down the hill, transports and connection roadway；Wherein, transportation roadway, air return lane and intermediate lane are arranged in parallel along the trend of ore bed, and intermediate lane is set between transportation roadway and air return lane；Transportation roadway is set to the lower end in ore bed close to bottom plate；Air return lane is set to the upper end in ore bed close to bottom plate；The lane Kai Qie and transportation roadway are connected to air return lane, with intermediate lane；Return air is gone down the hill to be connected to air return lane, intermediate lane；Transport goes down the hill to be connected to transportation roadway；Connection roadway connection return air goes down the hill and transports, and connection roadway is equipped with electric substation.Inclination phosphorus ore provided in an embodiment of the present invention adopts Barebone, and system is simple, realizes continuous mechanized produces, and the rate of extraction is substantially improved, and dilution declines to a great extent, and production efficiency improves.
Description
Technical field
The present embodiments relate to the production technique fields of ore body, and in particular to a kind of inclination phosphorus ore is adopted Barebone and opened
Mining method.
Background technique
As phosphorus ore by going underground, after You Qianzhuan heavy cut on the ground, influenced by mine pressure increase, ore bed and ore bed
Top plate become to be crushed it is soft, using traditional room-and-pillar method, it will there is the rate of extraction and decline to a great extent, dilution is substantially increased, production effect
Therefore the problems such as rate declines to a great extent, and safety production condition is continuous worsening, and mine economic benefit continues to decline is badly in need of a kind of be applicable in
Barebone and recovery method are adopted in inclination phosphorus ore.
Summary of the invention
For this purpose, the embodiment of the present invention, which provides a kind of inclination phosphorus ore, adopts Barebone and recovery method, to solve the prior art
In due to using traditional room-and-pillar method and there is the rate of extraction and decline to a great extent, dilution is substantially increased, and production efficiency declines to a great extent, safety
The problem of working condition is continuous worsening, and mine economic benefit continues to decline.
To achieve the goals above, the embodiment of the present invention provides the following technical solutions:
According to a first aspect of the embodiments of the present invention, provide a kind of inclination phosphorus ore adopts Barebone, including Ileal neobladder and
Mining roadway, wherein it includes under return air that the Ileal neobladder, which includes transportation roadway, air return lane, intermediate lane, the lane Kai Qie, the mining roadway,
Mountain, transport is gone down the hill and connection roadway；
Wherein, the transportation roadway, the air return lane and the intermediate lane are arranged in parallel along the trend of ore bed, the centre
Lane is set between the transportation roadway and the air return lane；The transportation roadway is set to the lower end in ore bed close to bottom plate；It is described
Air return lane is set to the upper end in the ore bed close to bottom plate；The lane Kai Qie and the transportation roadway and the air return lane and institute
Intermediate lane is stated to be connected to；The return air is gone down the hill to be connected to the air return lane, with the intermediate lane；It is described transport go down the hill with it is described
Transportation roadway connection；
The connection roadway is connected to the return air and goes down the hill to go down the hill with the transport, and the connection roadway is equipped with electric substation.
Further, the intermediate lane includes intermediate lane top plate and intermediate lane bottom plate, the intermediate lane top plate and it is described in
Between lane bottom plate it is arranged in parallel.
Further, the surrounding in the intermediate lane is provided with loose blast hole, and the pine blast hole is uniformly distributed in the intermediate lane
Surrounding.
It further, further include adopting installation, it is described to adopt installation and be set on the lane Kai Qie, for exploiting the intermediate lane
The ore bed of lower section is realized and continuously falls mine and dress mine.
It further, further include drag conveyor and belt conveyor, the drag conveyor is set to the lane Kai Qie
On, the belt conveyor is set in the transportation roadway, and the drag conveyor is connect with the belt conveyor.
It further, further include hydraulic support, the hydraulic support is set on the lane Kai Qie, and support is located at the liquid
Press the ore bed above bracket.
Further, the length in the lane Kai Qie is 40-60 meters.
Further, the transport goes down the hill to be connected to stage main haulage roadway, and the return air is gone down the hill to be connected with stage return air main entry
It is logical.
According to a second aspect of the embodiments of the present invention, a kind of recovery method for tilting phosphorus ore is provided, comprising:
Transportation roadway is set close to the lower end of bottom plate in ore bed；
Air return lane is set close to the upper end of bottom plate in the ore bed；
Intermediate lane is set between the transportation roadway and the air return lane；
The lane Kai Qie is set, and the lane Kai Qie is connected to the transportation roadway and the air return lane and the intermediate lane；
Setting return air go down the hill and transport, wherein the return air is gone down the hill to be connected to the intermediate lane, and with the return air
Lane connection；The transport goes down the hill to be connected to the transportation roadway；
Connection roadway is set, and the connection roadway is connected to the return air and goes down the hill to go down the hill with the transport.
Further, installation back production is adopted to the ore bed below the intermediate lane, to the ore bed above the intermediate lane
Using the quick-fried ore drawing mode back production of pine.
The embodiment of the present invention has the advantages that
Inclination phosphorus ore provided in an embodiment of the present invention adopts Barebone, and system is simple, realizes continuous mechanized produces, and return
The rate of adopting is substantially improved, and dilution declines to a great extent, and production efficiency improves.
Detailed description of the invention
It, below will be to embodiment party in order to illustrate more clearly of embodiments of the present invention or technical solution in the prior art
Formula or attached drawing needed to be used in the description of the prior art are briefly described.It should be evident that the accompanying drawings in the following description is only
It is merely exemplary, it for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer, which is extended, obtains other implementation attached drawings.
Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for
Those skilled in the art understands and reads, and is not intended to limit the invention enforceable qualifications, therefore does not have technical
Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the function of the invention that can be generated
Under effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents obtain and can cover.
Fig. 1 is a kind of structural schematic diagram for adopting Barebone of the inclination phosphorus ore exemplified according to an exemplary implementation；
Fig. 2 is a kind of process for stoping plan view for adopting Barebone of the inclination phosphorus ore exemplified according to an exemplary implementation；
Fig. 3 is the A-A cross-sectional view of Fig. 2；
Fig. 4 is the B-B cross-sectional view of Fig. 2；
Fig. 5 is the C-C cross-sectional view of Fig. 4；
Fig. 6 is a kind of flow chart of the recovery method of the inclination phosphorus ore exemplified according to an exemplary implementation；
In figure: 11, stage main haulage roadway；12, stage return air main entry；13, transport is gone down the hill；14, return air is gone down the hill；15, return air
Direction；16, air return lane；17, intermediate lane；171, intermediate lane top plate；172, intermediate lane bottom plate；18, transportation roadway；19, direction of propulsion；
20, installation is adopted；21, direction is entered the wind；22, ore direction；23, connection roadway；24, drag conveyor；25, hydraulic support；26, skin
Band conveyer；27, goaf；28, caving mine；29, mine wall；30, loose blast hole；31, top plate；32, bottom plate；33, the lane Kai Qie.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
The inclination phosphorus ore mentioned in the embodiment of the present invention refers to that the tilt angle of ore bed is less than or equal to 45 ° of phosphorus ore, including
Nearly horizontal phosphorus ore, gently inclined phosphate body and middle inclination phosphorus ore, wherein the tilt angle of the ore bed of nearly horizontal phosphorus ore is slow to incline less than 8 °
The tilt angle of the ore bed of oblique phosphorus ore is more than or equal to 8 ° and to be less than or equal to 25 °, and the tilt angle of the ore bed of middle inclination phosphorus ore is
Greater than 25 °.
According to a first aspect of the embodiments of the present invention, it provides a kind of inclination phosphorus ore and adopts Barebone, as shown in Figure 1, packet
Ileal neobladder and mining roadway are included, wherein the Ileal neobladder includes transportation roadway 18, air return lane 16, intermediate lane 17 and the lane Kai Qie 33, institute
Stating mining roadway includes that return air goes down the hill 14, transport is gone down the hill 13 and connection roadway 23；
Wherein, the transportation roadway 18, the air return lane 16 and the intermediate lane 17 are arranged in parallel along the trend of ore bed, institute
Intermediate lane 17 is stated to be set between the transportation roadway 18 and the air return lane 16；As shown in figure 5, the transportation roadway 18 is set to mine
Close to the lower end of bottom plate 32 in layer；The air return lane 16 is set to the upper end in the ore bed close to bottom plate 32；The lane Kai Qie
33 are connected to the transportation roadway 18, with the air return lane 16, with the intermediate lane 17；The return air go down the hill 14 with the return air
Lane 16 is connected to the intermediate lane 17；The transport goes down the hill 13 to be connected to the transportation roadway 18；
The connection roadway 23 be connected to the return air go down the hill 14 and it is described transport go down the hill 13, the connection roadway 23 is equipped with
Electric substation.
Inclination phosphorus ore provided in an embodiment of the present invention adopts Barebone, and system is simple, realizes continuous mechanized produces, and return
The rate of adopting is substantially improved, and dilution declines to a great extent, and production efficiency improves.
In some optional embodiments, transportation roadway 18, air return lane 16, intermediate lane 17 and the lane Kai Qie 33 are in E shape, can be to inclination
Phosphorus ore layering exploited, wherein being the line of demarcation of ore bed with intermediate lane 17.
In some optional embodiments, connection roadway 23 and the return air go down the hill 14 and the transport go down the hill it is 13 H-shaped,
Wherein, return air go down the hill 14 and transport go down the hill 13 parallel to each other, therefore entirely adopt that Barebone is H-shaped and E shape arrangement.
In some optional embodiments, the intermediate lane 17 includes intermediate lane top plate 171 and intermediate lane bottom plate 172, described
Intermediate lane top plate 171 and the intermediate lane bottom plate 172 are arranged in parallel.
By the way that intermediate lane 17 is arranged, be conducive to that inclination phosphorus ore is loosened and exploited.
In some optional embodiments, as shown in figure 3, the surrounding in the intermediate lane 17 is provided with loose blast hole 30, the pine
Blast hole 30 is uniformly distributed in the surrounding in the intermediate lane 17.
Peripheral direction by the way that intermediate lane 17 is arranged is provided with loose blast hole 30, can loosen to the surrounding in intermediate lane 17,
The loosening for being conducive to ore bed is conducive to be exploited.
It in some optional embodiments, further include adopting installation 20, it is described to adopt installation and 20 be set on the lane Kai Qie 33, it uses
In the ore bed for exploiting 17 lower section of intermediate lane, realizes and continuously fall mine and dress mine.
Installation 20 is adopted by being arranged on the lane Kai Qie 33, the ore bed for being located at intermediate 17 lower section of lane can be exploited, be realized
Continuously fall mine and dress mine.
In some optional embodiments, described to scrape as shown in Fig. 2, further including drag conveyor 24 and belt conveyor 26
Plate conveyer 24 is set on the lane Kai Qie 33, and the belt conveyor 26 is set in the transportation roadway 18, the scraper plate
Conveyer 24 is connect with the belt conveyor 26.
By setting drag conveyor 24 and belt conveyor 26, the ore of exploitation can be come out from underground haulage.
It in some optional embodiments, further include hydraulic support 25, the hydraulic support 25 is set to the lane Kai Qie 33
On, support is located at the ore bed of 25 top of hydraulic support.
By the way that hydraulic support 25 is arranged, supporting can be carried out to working face.
In some optional embodiments, the length in the lane Kai Qie 33 is 40-60 meters.
By setting 40-60 meters for the length in the lane Kai Qie 33, it can be more advantageous to and ore bed is exploited.
In some optional embodiments, the transport goes down the hill 13 to be connected to stage main haulage roadway 11, and the return air goes down the hill 14
It is connected to stage return air main entry 12.By this setup, ventilation and transport are realized.
As shown in figure 3, ore bed is additionally provided with mine wall 29, the exploitation place as ore bed.
In some optional embodiments, return air direction 15 is since the lane Kai Qie 33, into air return lane 16, subsequently into return
Wind is gone down the hill in 14, is flowed out from stage return air main entry 12.Air inlet direction 21 enters from stage main haulage roadway 11, by under transport
Enter in transportation roadway 18 behind mountain 13, subsequently into the lane Kai Qie 33.Ore direction 22 is that the installation 20 of adopting from the lane Kai Qie 33 is opened
Begin, enter back into transportation roadway 18 through the lane Kai Qie 33, enters back into through transportation roadway 18 and after transporting 13 to stage main haulage roadway 11
In, then transport outward.
In some optional embodiments, direction of propulsion 19 is the operative orientation for adopting installation 20, as shown in figure 5, direction of propulsion
19 is from right to left.
As shown in figure 4, the angle a in figure indicates that the tilt angle of ore bed, size are the ore bed less than or equal to 45 °
Top plate 31 and bottom plate 32 between be ore bed, the right side in figure is goaf 27.
According to a second aspect of the embodiments of the present invention, a kind of recovery method for tilting phosphorus ore is provided, as shown in fig. 6, tool
Body includes:
S11, transportation roadway 18 is arranged in the lower end of close bottom plate 32 in ore bed；
S12, air return lane 16 is arranged in the upper end of close bottom plate 32 in the ore bed；
S13, intermediate lane 17 is set between the transportation roadway 18 and the air return lane 16；
S14, setting the lane Kai Qie 33, the lane Kai Qie 33 be connected to the transportation roadway 18 and the air return lane 16 and it is described in
Between lane 17；
S15, setting return air go down the hill 14 and transport go down the hill 13, wherein the return air is gone down the hill 14 to be connected to the intermediate lane 17,
And it is connected to the air return lane 16；The transport goes down the hill 13 to be connected to the transportation roadway 18；
S16, setting connection roadway 23, the connection roadway 23 be connected to the return air go down the hill 14 and it is described transport go down the hill 13.
Wherein, sequence, serial number are convenient just for the sake of statement in no particular order for process above.
Inclination phosphorus ore provided in an embodiment of the present invention adopts Barebone, and system is simple, realizes continuous mechanized produces, and return
The rate of adopting is substantially improved, and dilution declines to a great extent, and production efficiency improves.
In some optional embodiments, 20 back production of installation are adopted to the ore bed of intermediate 17 lower section of lane, in described
Between the top of lane 17 ore bed using the quick-fried ore drawing mode back production of pine.Wherein, it adopts installation 20 and is cut up and down along working face, realize exploitation；
The quick-fried ore drawing mode back production of pine realizes that mechanization is continuously filled, transported, and realizes two sets of drag conveyors 24 of working face, hydraulic support 25 is certainly
Dynamic passage.
By this setup, thick deposit can be exploited, improve the efficiency of exploitation.
By the way that intermediate lane 17 is arranged, thick deposit can be divided into two layering disposable back production simultaneously, dress is adopted in lower leaf
The mechanical continuous stoping of machine 20 falls mine, continuous to fill mine outward transport, while forming safe and effective space for the caving mine 28 of higher slice, in liquid
It presses bracket 25 close to goaf side, realizes controllable caving mine 28, continuous dress mine continuative transport is realized by transporting equipment.
For the higher slice of intermediate 17 top of lane, it is crushed under the effect of mine pressure and is caving ore, put through hydraulic support drawhole
The drag conveyor 24 at 33 rear portion of the lane Ru Kaiqie is taken if ore is harder to be unable to spontaneous caving and blows out standing promotion
Higher slice is broken to be caving, and so as to ore drawing, increases the rate of extraction.
It in some optional embodiments, further include utilizing goaf filling system, the transportation roadway 18 in implementation face, return air
Lane 16 uses when lower curtate back production as air return lane 16 or transportation roadway 18 along goaf Liu Xiang, reduces tunnelling amount, avoids
It stays and sets ore pillar, improve resource recovery rate.
It in some optional embodiments, further include using intermediate lane 17, transportation roadway 18, air return lane 16 to goaf filling phosphorus
Goaf segmentation is full of by the charges such as gypsum.
Using the recovery method in the application, have the advantage that
Due to using do mechanization operation, serialization transport, mechanization degree has mechanization degree high up to 98% or more
The advantages of；Per unit area yield is high, and using this recovery method, thick five meters and ore bed below, single face output is up to ten thousand tons/year of 80-120
Or more, the thick deposit greater than 5 meters and less than 20 meters, single face output is up to ten thousand tons/year of 120-200 or more；High stoping rate,
Working face extraction rate is up to 90-95%, and working section recovery is up to 85-90%；And the rate of dilution is low, drivage ratio is low, and safety is good,
The advantages that social benefit is good.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (10)
1. a kind of inclination phosphorus ore adopts Barebone, which is characterized in that including Ileal neobladder and mining roadway, wherein the Ileal neobladder packet
Include transportation roadway, air return lane, intermediate lane, the lane Kai Qie；The mining roadway includes that return air goes down the hill, transports and connection roadway；
Wherein, the transportation roadway, the air return lane and the intermediate lane are arranged in parallel along the trend of ore bed, and the intermediate lane is set
It is placed between the transportation roadway and the air return lane；The transportation roadway is set to the lower end in ore bed close to bottom plate；The return air
Lane is set to the upper end in the ore bed close to bottom plate；The lane Kai Qie and the transportation roadway, with the air return lane, with it is described in
Between lane be connected to；The return air is gone down the hill to be connected to the air return lane, with the intermediate lane；The transport is gone down the hill and the transport
Lane connection；
The connection roadway is connected to the return air and goes down the hill to go down the hill with the transport, and the connection roadway is equipped with electric substation.
2. a kind of inclination phosphorus ore according to claim 1 adopts Barebone, which is characterized in that the intermediate lane includes centre
Lane top plate and intermediate lane bottom plate, the intermediate lane top plate and the intermediate lane bottom plate are arranged in parallel.
3. a kind of inclination phosphorus ore according to claim 1 adopts Barebone, which is characterized in that the surrounding in the intermediate lane is set
It is equipped with loose blast hole, the pine blast hole is uniformly distributed in the surrounding in the intermediate lane.
4. a kind of inclination phosphorus ore according to claim 1 adopts Barebone, which is characterized in that it further include adopting installation, it is described
It adopts installation to be set on the lane Kai Qie, for exploiting the ore bed below the intermediate lane.
5. a kind of inclination phosphorus ore according to claim 1 adopts Barebone, which is characterized in that further include drag conveyor and
Belt conveyor, the drag conveyor are set on the lane Kai Qie, and the belt conveyor is set in the transportation roadway,
The drag conveyor is connect with the belt conveyor.
6. a kind of inclination phosphorus ore according to claim 1 adopts Barebone, which is characterized in that it further include hydraulic support, institute
It states hydraulic support to be set on the lane Kai Qie, support is located at the ore bed above the hydraulic support.
7. a kind of inclination phosphorus ore according to claim 1 adopts Barebone, which is characterized in that the length in the lane Kai Qie is
40-60 meters.
8. a kind of inclination phosphorus ore according to claim 1 adopts Barebone, which is characterized in that the transport is gone down the hill and the stage
Main haulage roadway connection, the return air is gone down the hill to be connected to stage return air main entry.
9. a kind of recovery method for tilting phosphorus ore characterized by comprising
Transportation roadway is set close to the lower end of bottom plate in ore bed；
Air return lane is set close to the upper end of bottom plate in the ore bed；
Intermediate lane is set between the transportation roadway and the air return lane；
The lane Kai Qie is set, and the lane Kai Qie is connected to the transportation roadway and the air return lane and the intermediate lane；
Setting return air goes down the hill and transports, wherein the return air is gone down the hill to be connected to the intermediate lane, and is connected with the air return lane
It is logical；The transport goes down the hill to be connected to the transportation roadway；
Connection roadway is set, and the connection roadway is connected to the return air and goes down the hill to go down the hill with the transport.
10. a kind of recovery method for tilting phosphorus ore according to claim 9, which is characterized in that below the intermediate lane
Ore bed adopt installation back production, to the ore bed above the intermediate lane using the quick-fried ore drawing mode back production of pine.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412460A (en) * | 2020-11-20 | 2021-02-26 | 中拓均安(北京)矿山技术有限公司 | Accurate mining system and mining method for steeply inclined phosphate rock |
| CN112412460B (en) * | 2020-11-20 | 2022-12-20 | 中拓均安(北京)矿山技术有限公司 | Accurate mining system and mining method for steeply inclined phosphate rock |
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