CN110067595B - Natural caving mining method dispersion crushing continuous transportation system - Google Patents
Natural caving mining method dispersion crushing continuous transportation system Download PDFInfo
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- CN110067595B CN110067595B CN201910438707.3A CN201910438707A CN110067595B CN 110067595 B CN110067595 B CN 110067595B CN 201910438707 A CN201910438707 A CN 201910438707A CN 110067595 B CN110067595 B CN 110067595B
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- 238000005065 mining Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000006185 dispersion Substances 0.000 title claims abstract description 7
- 238000007599 discharging Methods 0.000 claims abstract description 20
- 239000002390 adhesive tape Substances 0.000 claims description 47
- 210000003462 vein Anatomy 0.000 claims description 22
- 230000032258 transport Effects 0.000 claims description 7
- 239000003292 glue Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
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- 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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/002—Crushing devices specifically for conveying in mines
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/04—Transport of mined material in gravity inclines; in staple or inclined shafts
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Remote Sensing (AREA)
- Disintegrating Or Milling (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention provides a natural caving mining method dispersion crushing continuous transportation system which is characterized by comprising a division stage level, wherein ore bodies are divided into a bottom pulling level and a transportation level from top to bottom in the vertical direction, and bottom pulling roadways are arranged in the bottom pulling level; arranging a lower disc vein-following roadway I, a lower disc vein-following roadway II, an upper disc vein-following roadway I, an upper disc vein-following roadway II, a plurality of ore-discharging vein-penetrating roadways, ore-discharging cross roadways and ore-gathering grooves in the ore-discharging level; and arranging a rubber belt conveying tunnel horizontally in conveying, arranging a conveying rubber belt in the rubber belt conveying tunnel, connecting all crushing stations in series by adopting one or more rubber belts, conveying ores discharged by all the crushing stations through the rubber belt, transferring the ores to a main conveying rubber belt, and finally conveying the ores out of the ground surface through a rubber belt inclined shaft or a main shaft. The invention has the advantages of less engineering quantity, strong stability, simplified transportation level by adopting rubber belt transportation instead of rail transportation, reduced capital investment and continuous transportation.
Description
Technical Field
The invention relates to the technical field of mining processes, in particular to a natural caving mining method dispersion crushing continuous transportation system.
Background
Referring to mine data of the natural caving method at home and abroad, the mine adopting the natural caving method has the main current situations of ore removal, transportation and crushing systems as follows: after the scraper is used for loading ores in the ore-drawing horizontal roadway, the ores are discharged into the ore pass of the mining area through ore-drawing horizontal roadway and discharged into the rail-mounted transportation horizontal mine car through the ore pass of the mining area. In the transportation level, the electric locomotive pulls the mine car to transport the ore to the main drop shaft, the ore is put into a crushing chamber of the crushing level through the main drop shaft, and the ore is transported out of the ground surface through the rubber belt inclined shaft or the main shaft after being crushed.
The above system, although widely used, still has the following problems: The rail transportation level comprises a large number of transportation edges and transportation through veins, the engineering quantity is large, the construction time is long, and the rail transportation level often becomes a factor for limiting shortening the construction period; /(I) Under the condition of large production scale, the rail transportation equipment is more, the equipment investment is higher, continuous transportation can not be realized, and the stability is poor; /(I)Because centralized crushing requires a single crusher to have large capacity, conditions such as overhauling and replacement of the crusher have large influence on the production capacity of the mine, and meanwhile, the crushing chamber has large size and high supporting cost; /(I)According to the requirement, each ore drawing and vein passing roadway needs to be constructed with ore pass shafts in mining areas, the whole ore drawing level needs to be constructed with a large number of ore pass shafts in mining areas, the engineering amount is large, and the construction is difficult.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art, and aims to provide a natural caving mining method dispersion crushing continuous transportation system which has small engineering quantity and strong stability and can realize continuous transportation.
In order to achieve the above object, the present invention adopts the following technical scheme.
The invention relates to a natural caving mining method dispersion crushing continuous transportation system which is characterized by comprising a division stage level, wherein ore bodies are divided into a bottom pulling level and a transportation level from top to bottom in the vertical direction, and bottom pulling roadways are arranged in the bottom pulling level; arranging a lower disc vein-following roadway I, a lower disc vein-following roadway II, an upper disc vein-following roadway I, an upper disc vein-following roadway II, a plurality of ore-discharging vein-penetrating roadways, ore-discharging cross roadways and ore-gathering grooves in the ore-discharging level; arranging a rubber belt transportation tunnel horizontally in transportation, arranging a transportation rubber belt in the rubber belt transportation tunnel,
Arranging a crushing system according to 6-8 ore drawing and vein passing tunnels as a stoping unit, wherein the crushing system is arranged between an ore drawing level and a transportation level, each crushing system is arranged in a straight line along the trend of an ore body, and when the thickness of the ore body is smaller than 300m, the crushing system is arranged on a lower ore body disc or an upper ore body disc, and is arranged between a lower disc vein-following tunnel I and a lower disc vein-following tunnel II or between an upper disc vein-following tunnel I and an upper disc vein-following tunnel II;
The crushing system consists of two mining area ore pass, a crushing chamber connected with the two mining area ore pass and a lower ore bin connected with the crushing chamber, wherein the two mining area ore pass is respectively connected with a lower disc along vein roadway I and a lower disc along vein roadway II or an upper disc along vein roadway I and an upper disc along vein roadway II which are horizontally arranged in ore discharging mode, the lower ore bin is connected with an adhesive tape transportation roadway, and the transportation adhesive tape transports ores to an inclined shaft adhesive tape or a main shaft.
Preferably, the transportation adhesive tape is a main adhesive tape and one or more sub adhesive tapes, the one or more sub adhesive tapes connect the crushing systems in series, and the main adhesive tape is connected with the one or more sub adhesive tapes.
Preferably, when the thickness of the ore body is 300-500 m, crushing systems are arranged on the upper ore body disc and the lower ore body disc and are arranged between the lower disc vein-following roadway I and the lower disc vein-following roadway II and between the upper disc vein-following roadway I and the upper disc vein-following roadway II.
Preferably, the pull bottom level is 15 m-20 m above the ore discharge level, and the transportation level is 50 m-60 m below the ore discharge level.
Preferably, a vibration ore drawing machine is arranged at the lower opening of the lower ore bin, and the capacity of the lower ore bin meets the one-hour transportation capacity of the adhesive tape.
Preferably, if the crushing system is distributed on one side of the ore body, a piece of separating tape is arranged in series; if the crushing systems are distributed on two sides of the ore body, two pieces of adhesive tapes are arranged to connect the upper disc crushing system and the lower disc crushing system in series respectively.
Preferably, the main tape is connected to one or more sub-tapes and transports ore to the inclined shaft tape or main shaft.
The invention has the following beneficial effects:
① The engineering quantity is small
According to the dispersed crushing continuous transportation system for the natural caving mining method, provided by the invention, the mining area ore pass is only required to be constructed at the crushing station, a large number of mining area passes are not required to be constructed in the ore discharge through vein, and the number of the mining area passes is greatly reduced; the rubber belt transportation is adopted to replace rail transportation, so that the transportation level can be simplified, the engineering quantity of the transportation level can be greatly reduced, the capital investment is reduced, and the capital construction period is shortened.
Can realize continuous transportation
The transportation level adopts the adhesive tape transportation, can realize continuous transportation, and the system is simple reliable, and the management is simple, more easily realizes automated control.
High stability
The scattered crushing stations are adopted, namely a plurality of crushing stations which are distributed in a scattered way are used for replacing concentrated crushing, the influence of overhaul, maintenance and replacement of a single crusher on the scale of the whole mine is small, and the system stability is stronger;
④ High transport efficiency
Compared with rail transportation, the rubber belt transportation can realize continuous transportation, and has larger transportation capacity and higher transportation efficiency.
Drawings
FIG. 1 is a schematic diagram of a continuous transportation system for dispersing and crushing by a natural caving mining method with a ore body thickness of 300 m.
Fig. 2 is a sectional view of a-a of fig. 1.
Fig. 3 is a sectional view of fig. 1B-B.
FIG. 4 is a schematic diagram of a continuous conveyor system for dispersing and crushing by natural caving mining with a ore body thickness of 300m-500 m-.
Fig. 5 is a sectional view a-a of fig. 4.
Fig. 6 is a sectional view of B-B of fig. 4.
In the drawings: 1-an adhesive tape transportation roadway, 2-an ore drawing and penetrating roadway, 3-an upper disc vein-following roadway I, 4-an upper disc vein-following roadway II, 5-an ore drawing horizontal roadway, 6-a lower disc vein-following roadway I, 7-a mining area ore pass, 8-a crushing chamber, 9-a lower ore bin and 10-a lower disc vein-following roadway II.
Detailed Description
Various embodiments according to the present invention will be described in detail below with reference to the accompanying drawings.
The invention relates to a continuous transportation system for dispersing and crushing by a natural caving mining method, which is characterized by comprising a dividing stage level, wherein ore bodies are divided into a bottom pulling level and a transportation level from top to bottom in the vertical direction, the bottom pulling level is 15 m-20 m above the ore pulling level, and the transportation level is 50 m-60 m below the ore pulling level; a bottom pulling roadway is horizontally arranged at the bottom pulling position; the lower disc vein-following roadway I6, the lower disc vein-following roadway II 10, the upper disc vein-following roadway I3, the upper disc vein-following roadway II 4, the plurality of ore-drawing vein-penetrating roadways 2 and the ore-drawing cross roadway 5 are horizontally arranged in the ore-drawing; a rubber belt transportation roadway 1 is horizontally arranged in transportation, a transportation rubber belt is arranged in the rubber belt transportation roadway 1,
According to the invention, 6-8 ore drawing and vein passing tunnels 2 are used as a stoping unit, the crushing systems are arranged between an ore drawing level and a transportation level, each crushing system is arranged in a straight line along the trend of an ore body, when the thickness of the ore body is smaller than 300m, the crushing system is arranged on the lower disc of the ore body or the upper disc of the ore body, is arranged between a lower disc vein passing tunnel I6 and a lower disc vein passing tunnel II 10 or between an upper disc vein passing tunnel I3 and an upper disc vein passing tunnel II 4 "
The crushing system comprises two mining area ore pass 7, a crushing chamber 8 connected with the two mining area ore pass 7 and a lower ore bin 9 connected with the crushing chamber 8, wherein the two mining area ore pass 9 are respectively connected with a lower disc along vein roadway I6 and a lower disc along vein roadway II 10 or an upper disc along vein roadway I3 and an upper disc along vein roadway II 4 which are horizontally arranged in ore discharging mode, the lower ore bin 9 is connected with an adhesive tape transportation roadway, and the transportation adhesive tape transports ores to an inclined shaft adhesive tape or a main shaft.
As a further optimization of the invention, the transportation adhesive tape adopts a main adhesive tape and one or more sub adhesive tapes, the crushing systems are connected in series by the sub adhesive tape or the sub adhesive tapes, and the main adhesive tape is connected with the sub adhesive tape or the sub adhesive tapes.
When the thickness of the ore body is 300-500 m, crushing systems are arranged on the upper ore body disc and the lower ore body disc and are arranged between the lower disc vein-following roadway I3 and the lower disc vein-following roadway II 4 and between the upper disc vein-following roadway I6 and the upper disc vein-following roadway II 10.
According to the invention, the vibration ore drawing machine is arranged at the lower opening of the lower ore bin 9, and the capacity of the lower ore bin 9 meets the one-hour transportation capacity of the adhesive tape.
The pull bottom level is 15 m-20 m above the ore discharging level, and the transportation level is 50 m-60 m below the ore discharging level.
If the crushing system is arranged at one side of the ore body, a main adhesive tape is arranged; if the crushing system is arranged on two sides of the ore body, two sub-adhesive tapes are arranged, one or more sub-adhesive tapes are connected in series by a main adhesive tape, and the main adhesive tape is connected with one or more sub-adhesive tapes and transfers ore to an inclined shaft adhesive tape or a main shaft.
Ore-drawing transportation crushing process
After ore is loaded in the ore discharging horizontal roadway 5, the scraper is discharged into the ore pass 7 of a mining area through the ore discharging pulse-penetrating roadway 2, crushed by a crusher in the crushing chamber 8 and then discharged to the lower ore bin 9, and then discharged to the conveying horizontal glue distributing belt through the vibration ore discharging machine, a plurality of crushing systems are connected in series through the glue distributing belt, the ore is conveyed to the main glue belt through the glue distributing belt, and then conveyed out of the ground surface through the main glue belt inclined shaft or conveyed out of the ground surface through the main glue belt after being conveyed to the main pass skip.
While the foregoing disclosure shows exemplary embodiments of the invention, it should be noted that various changes and modifications could be made herein without departing from the scope of the invention as defined by the appended claims. The functions, steps and/or actions of the method claims in accordance with the embodiments of the invention described herein need not be performed in any particular order. Furthermore, although elements of the invention may be described or claimed in the singular, the plural is contemplated unless limitation to the singular is explicitly stated.
Claims (4)
1. The natural caving mining method dispersion crushing continuous transportation system is characterized by comprising a division stage level, wherein ore bodies are divided into a bottom pulling level, an ore discharging level and a transportation level from top to bottom in the vertical direction, and bottom pulling roadways are arranged in the bottom pulling level; arranging a lower disc vein-following roadway I, a lower disc vein-following roadway II, an upper disc vein-following roadway I, an upper disc vein-following roadway II, a plurality of ore-discharging vein-penetrating roadways, ore-discharging cross roadways and ore-gathering grooves in the ore-discharging level; arranging a rubber belt transportation tunnel horizontally in transportation, arranging a transportation rubber belt in the rubber belt transportation tunnel,
Arranging a crushing system according to 6-8 ore drawing and vein passing tunnels as a stoping unit, wherein the crushing system is arranged between an ore drawing level and a transportation level, each crushing system is arranged in a straight line along the trend of an ore body, and when the thickness of the ore body is smaller than 300m, the crushing system is arranged on a lower ore body disc or an upper ore body disc, and is arranged between a lower disc vein-following tunnel I and a lower disc vein-following tunnel II or between an upper disc vein-following tunnel I and an upper disc vein-following tunnel II;
The crushing system consists of two mining area ore pass, a crushing chamber connected with the two mining area ore pass and a lower ore bin connected with the crushing chamber, wherein the two mining area ore pass is respectively connected with a lower disc vein-following roadway I and a lower disc vein-following roadway II or a upper disc vein-following roadway I and a upper disc vein-following roadway II which are horizontally arranged in ore discharging mode, the lower ore bin is connected with an adhesive tape transportation roadway, and the transportation adhesive tape transports ores to an inclined shaft adhesive tape or a main shaft; the conveying adhesive tape adopts a main adhesive tape and one or more sub adhesive tapes, the crushing systems are connected in series by the main adhesive tape and the sub adhesive tape or the sub adhesive tapes;
a vibration ore drawing machine is arranged at the lower opening of the lower ore bin, and the capacity of the lower ore bin meets the one-hour transportation capacity of the transportation adhesive tape;
the main adhesive tape is connected with one or more sub-adhesive tapes and transports ores to the inclined shaft adhesive tape or the main shaft.
2. The continuous transportation system for dispersing and crushing by natural caving mining according to claim 1, wherein when the thickness of the ore body is 300 m-500 m, the crushing systems are arranged on the upper ore body disc and the lower ore body disc, and are arranged between the lower disc vein roadway I and the lower disc vein roadway II and between the upper disc vein roadway I and the upper disc vein roadway II.
3. The continuous transportation system for dispersed crushing of natural caving mining according to claim 1, wherein the pull-bottom level is 15 m-20 m above the ore-discharging level, and the transportation level is 50 m-60 m below the ore-discharging level.
4. The continuous transportation system for dispersing and crushing by natural caving mining according to claim 1, wherein if the crushing system is distributed on one side of the ore body, a piece of adhesive tape is arranged in series; if the crushing stations are distributed on two sides of the ore body, two pieces of adhesive tapes are arranged to connect the upper disc crushing station and the lower disc crushing station in series respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910438707.3A CN110067595B (en) | 2019-05-24 | 2019-05-24 | Natural caving mining method dispersion crushing continuous transportation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910438707.3A CN110067595B (en) | 2019-05-24 | 2019-05-24 | Natural caving mining method dispersion crushing continuous transportation system |
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| CN110067595A CN110067595A (en) | 2019-07-30 |
| CN110067595B true CN110067595B (en) | 2024-06-11 |
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| CN114961803B (en) * | 2022-06-10 | 2024-06-21 | 湖南科技大学 | Construction method for crushing chamber system engineering |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676096A (en) * | 2017-09-22 | 2018-02-09 | 安徽马钢工程技术集团有限公司 | A kind of continuous mining system of iron and steel industry surface mine and production practice |
| CN108252717A (en) * | 2018-01-10 | 2018-07-06 | 鞍钢集团矿业有限公司 | A kind of low poor damage sublevel caving of high-dipping middle thickness orebody |
| CN109339790A (en) * | 2018-11-15 | 2019-02-15 | 中国恩菲工程技术有限公司 | The recovery method of middle thickness low-angle dip breaking ore body |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EA017605B1 (en) * | 2007-09-26 | 2013-01-30 | Гекко Системз Пти Лтд. | Modular ore processor |
| MX339889B (en) * | 2010-02-22 | 2016-06-16 | Tech Resources Pty Ltd * | Underground mining. |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676096A (en) * | 2017-09-22 | 2018-02-09 | 安徽马钢工程技术集团有限公司 | A kind of continuous mining system of iron and steel industry surface mine and production practice |
| CN108252717A (en) * | 2018-01-10 | 2018-07-06 | 鞍钢集团矿业有限公司 | A kind of low poor damage sublevel caving of high-dipping middle thickness orebody |
| CN109339790A (en) * | 2018-11-15 | 2019-02-15 | 中国恩菲工程技术有限公司 | The recovery method of middle thickness low-angle dip breaking ore body |
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