CN115095324A - Efficient mining process with improved stope layout - Google Patents
Efficient mining process with improved stope layout Download PDFInfo
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- CN115095324A CN115095324A CN202210587201.0A CN202210587201A CN115095324A CN 115095324 A CN115095324 A CN 115095324A CN 202210587201 A CN202210587201 A CN 202210587201A CN 115095324 A CN115095324 A CN 115095324A
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- ore
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- 238000005065 mining Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000008569 process Effects 0.000 title claims abstract description 13
- 238000005553 drilling Methods 0.000 claims abstract description 28
- 238000005422 blasting Methods 0.000 claims abstract description 12
- 238000009423 ventilation Methods 0.000 claims abstract description 12
- 238000005520 cutting process Methods 0.000 claims abstract description 8
- 239000011435 rock Substances 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 5
- 238000009412 basement excavation Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 210000003462 vein Anatomy 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
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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
- E21C41/22—Methods of underground mining; Layouts therefor for ores, e.g. mining placers
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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
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Remote Sensing (AREA)
- Earth Drilling (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
An efficient mining process with improved stope layout, comprising the steps of: dividing a stoping unit, namely a panel area, every 60 meters or so along the direction of the ore body, dividing a plurality of stopes every 12 meters along the direction of the vertical ore body in the panel area, and layering every 10 meters according to the vertical height; digging a return slope way and an ore removal draw shaft at one side of the drift through, a layered connecting way, a layered main drift, an intra-drift chiseling way and a filling ventilation shaft; after all mining and cutting processes of the panel area are finished, the mining operation is started; taking the intra-vein chiseling and loading channel and the filling ventilation shaft as free surfaces, drilling upward sector-shaped medium-length holes in the intra-vein chiseling and loading channel, blasting 3-5 rows of blast holes each time, and performing retreating type ore breaking; respectively drilling upward sector medium-length holes in the filling reserved spaces of the layers from the second layer; conveying the ores in the stope to an ore bin; and after the ores are extracted, full tailings are adopted for cemented filling, and spaces are reserved in each layer. The invention adopts medium-length hole ore breaking and remote control scraper ore removal, and has high safety performance, high mining efficiency and large ore removal capacity.
Description
Technical Field
The invention relates to a mining process, in particular to an efficient mining process with improved stope layout.
Background
According to the traditional mining process and technical equipment, the operation modes of shallow hole rock drilling equipment, electric rake raking and rock loader ore loading are adopted, the production capacity of a single stope and the electric rake raking can only be generally maintained at the level of 40-70 tons/machine shift, the mining accuracy engineering quantity is large, the ten thousand ton mining accuracy ratio is more than 300 meters/ten thousand tons, the mine production efficiency is low, more labor is used, the cost is high, the safety essential level is low, and the benefit is low. With the progress of society and the rapid development of mining industry, the development requirements of mine enterprises are more and more difficult to meet by the existing mining mode, technical equipment level and labor-intensive production organization mode. Advanced technology and equipment are introduced, and a production process is optimized so as to further improve the mining strength, thereby achieving the purposes of mechanical change of people, automatic reduction of people, reduction of production cost, improvement of operating environment, improvement of intrinsic safety level and great and profound significance of improving the economic benefit of enterprises.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects in the prior art, and provide a safe and efficient mining process by improving the arrangement form of a stope and improving the level of mining technical equipment.
The technical scheme adopted by the invention for solving the technical problems is as follows: an efficient mining process with improved stope layout, comprising the steps of:
s1, arranging ore blocks: dividing a stoping unit, namely a panel area, every 60 meters or so along the direction of the ore body, dividing a plurality of stopes every 12 meters along the direction of the vertical ore body in the panel area, and layering every 10 meters according to the vertical height;
s2, adopting and cutting: digging a back-turning slope ramp and an ore removal chute at one side of the drift; the excavation layered communication channel is communicated with the return slope channel and the ore removal chute; excavating a layered main drift and communicating the layered main drift with a layered connecting channel; a digging vein inner chisel channel is communicated with the layered communication channel; digging a filling ventilation well in the intravein chiseling channel and communicating the filling ventilation well with an upper return air filling well;
s3, after completing all the mining preparation cutting projects of the panel area, entering the mining operation;
s4, rock drilling and blasting: adopting a hydraulic drilling trolley and a medium-length hole drilling machine, taking an intrapulse drilling and loading channel and a filling ventilation shaft as free surfaces, drilling upward sector-shaped medium-length holes in the intrapulse drilling and loading channel, blasting 3-5 rows of blast holes each time, and performing retreating type ore caving; respectively drilling upward sector medium-length holes in the filling reserved spaces of the layers from the second layer, and repeating the stoping, drilling and blasting;
s5, stope ore removal: conveying the ores in the stope by using a remote control scraper, passing through a layered main gallery and a layered connecting channel to an ore removal chute, and unloading the ores to an ore bin;
s6, stope filling: and after the ore is extracted, full tailing cemented filling is adopted, and filling reserved spaces of about 2.5 meters are reserved in each layer to serve as the free surfaces of rock drilling and blasting of the previous layer.
Further, the intravein chiseling channel is arranged in the first layer.
Further, at least three tiers are disposed within the extent.
Further, an YT-27 or YT-28 air-leg rock drill is adopted for tunneling the roadway.
The invention adopts medium-length hole ore breaking and remote control scraper ore removal, and has high safety performance, high mining efficiency and large ore removal capacity; the working conditions of workers are improved, and the labor intensity is low; the extraction process is simple and has strong operability.
Drawings
FIG. 1 is a plan view of the ore body of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
figure 3 is a schematic diagram of deep hole drilling according to the present invention.
In the figure: 1. the method comprises the following steps of ore body, 2, drift through gallery, 3, return type slope ramp, 4, drift chiseling and loading gallery, 5, ore removal draw shaft, 6, layered connecting gallery, 7, upper return air filling gallery, 8, layered main gallery, 9, ventilation filling well, 10, medium-length hole, 11, filling reserved space, 12 and drift along gallery.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
As shown in fig. 1-3, a high efficiency mining process for improving stope placement includes the steps of:
s1, arranging ore blocks: dividing a stoping unit, namely a panel area, every 60 meters or so along the direction of the ore body 1, dividing a plurality of stopes every 12 meters along the direction of the vertical ore body in the panel area, and layering every 10 meters according to the vertical height;
s2, cutting by adopting a standard cutting method: digging a back-turning type slope ramp 3 and an ore removal ore pass 5 at one side of the drift 2; the excavation layered communication channel 6 is communicated with the return slope way 3 and the ore removal chute 5; a digging layered main drift 8 is communicated with a layered connecting road 6; the digging intra-vein chiseling channel 4 is communicated with the layered connecting channel 6; digging a filling ventilation shaft 9 in the intravein chiseling channel 4 and communicating with an upper return air filling roadway 7;
s3, after all the mining preparation cutting projects of the panel area are finished, the mining operation is started;
s4, rock drilling and blasting: adopting a hydraulic drilling trolley and a medium-length hole drilling machine, taking the intra-vein chiseling and loading channel 4 and the filling ventilation shaft 9 as free surfaces, drilling upward sector-shaped medium-length holes 10 in the intra-vein chiseling and loading channel 4, blasting 3-5 rows of blast holes each time, and performing retreating type ore caving; respectively drilling upward sector-shaped medium-length holes in the filling reserved spaces 11 of the layers from the second layer, and repeating the stoping, rock drilling and blasting;
s5, stope ore removal: the ore in the stope is transported by a remote control scraper, passes through a layered main gallery 8 and a layered connecting channel 6 to a ore removal chute, and is unloaded to an ore bin;
s6, stope filling: and after the ore is extracted, full tailing cemented filling is adopted, and filling reserved spaces 11 with the length of about 2.5 meters are reserved in each layer to serve as the free surfaces of rock drilling and blasting in the previous layer.
The layered main gallery 8 and the vein-following gallery 12 are arranged in parallel and used for connecting each layered connecting passage 6.
In the embodiment, an YT-27 or YT-28 air-leg rock drill is adopted for tunneling.
Various modifications and variations of the present invention may be made by those skilled in the art, and they are also within the scope of the present invention provided they are within the scope of the claims of the present invention and their equivalents.
What is not described in detail in the specification is prior art that is well known to those skilled in the art.
Claims (4)
1. An efficient mining process with improved stope placement, comprising the steps of:
s1, arranging ore blocks: dividing a stoping unit, namely a panel area, every 60 meters or so along the direction of the ore body, dividing a plurality of stopes every 12 meters along the direction of the vertical ore body in the panel area, and layering every 10 meters according to the vertical height;
s2, adopting and cutting: digging a back-turning slope way and an ore removal chute at one side of the drift; the excavation layered communication channel is communicated with the return slope channel and the ore removal chute; excavating a layered main drift and communicating the layered main drift with a layered connecting channel; a digging vein inner chisel channel is communicated with the layered communication channel; digging a filling ventilation shaft in the intravein chiseling channel and communicating the filling ventilation shaft with the upper ventilation filling shaft;
s3, after all the mining preparation cutting projects of the panel area are finished, the mining operation is started;
s4, rock drilling and blasting: adopting a hydraulic drilling trolley and a medium-length hole drilling machine, taking an intrapulse drilling and loading channel and a filling ventilation shaft as free surfaces, drilling upward sector-shaped medium-length holes in the intrapulse drilling and loading channel, blasting 3-5 rows of blast holes each time, and performing retreating type ore caving; respectively drilling upward sector medium-length holes in the filling reserved spaces of the layers from the second layer, and repeating the steps;
s5, stope ore removal: conveying the ores in the stope by using a remote control scraper, passing through a layered main gallery and a layered connecting channel to an ore removal chute, and unloading the ores to an ore bin;
s6, stope filling: and after the ore is extracted, full tailing cemented filling is adopted, and filling reserved spaces of about 2.5 meters are reserved in each layer to serve as the free surfaces of rock drilling and blasting in the previous layer.
2. A high efficiency mining process with improved stope placement according to claim 1, characterized in that: the intravein chiseling channel is arranged in the first layer.
3. An efficient mining process improving stope arrangement according to claim 1, characterized in that: at least three tiers are disposed within the extent.
4. An efficient mining process improving stope arrangement according to claim 1, characterized in that: and the roadway is tunneled by an YT-27 or YT-28 air-leg rock drill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210587201.0A CN115095324A (en) | 2022-05-26 | 2022-05-26 | Efficient mining process with improved stope layout |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210587201.0A CN115095324A (en) | 2022-05-26 | 2022-05-26 | Efficient mining process with improved stope layout |
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| CN115095324A true CN115095324A (en) | 2022-09-23 |
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| CN202210587201.0A Pending CN115095324A (en) | 2022-05-26 | 2022-05-26 | Efficient mining process with improved stope layout |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118640013A (en) * | 2024-08-19 | 2024-09-13 | 长春黄金研究院有限公司 | Multi-directional coordinated ore-dropping mining method for thin ore veins with segmented medium-deep holes |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU1835299A (en) * | 1998-03-02 | 1999-10-07 | Commonwealth Scientific And Industrial Research Organisation | Hydraulic fracturing of ore bodies |
| CN102434161A (en) * | 2011-12-02 | 2012-05-02 | 瓮福（集团）有限责任公司 | Stage-free strip-dividing continuous subsequent filling mining method for gently inclined medium-thickness ore body |
| CN104060991A (en) * | 2014-06-26 | 2014-09-24 | 中南大学 | Upward cut-and-fill mining method for in-vein slope ramp of gentle dip thin vein |
-
2022
- 2022-05-26 CN CN202210587201.0A patent/CN115095324A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU1835299A (en) * | 1998-03-02 | 1999-10-07 | Commonwealth Scientific And Industrial Research Organisation | Hydraulic fracturing of ore bodies |
| CN102434161A (en) * | 2011-12-02 | 2012-05-02 | 瓮福（集团）有限责任公司 | Stage-free strip-dividing continuous subsequent filling mining method for gently inclined medium-thickness ore body |
| CN104060991A (en) * | 2014-06-26 | 2014-09-24 | 中南大学 | Upward cut-and-fill mining method for in-vein slope ramp of gentle dip thin vein |
Non-Patent Citations (1)
| Title |
|---|
| 梅群力等: "黄金", 30 July 2020, pages: 39 - 43 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118640013A (en) * | 2024-08-19 | 2024-09-13 | 长春黄金研究院有限公司 | Multi-directional coordinated ore-dropping mining method for thin ore veins with segmented medium-deep holes |
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