CN111535811A - Glauberite ore roadway tunneling process - Google Patents
Glauberite ore roadway tunneling process Download PDFInfo
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- CN111535811A CN111535811A CN202010347971.9A CN202010347971A CN111535811A CN 111535811 A CN111535811 A CN 111535811A CN 202010347971 A CN202010347971 A CN 202010347971A CN 111535811 A CN111535811 A CN 111535811A
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- tunneling
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- 230000005641 tunneling Effects 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 16
- GYZGFUUDAQXRBT-UHFFFAOYSA-J calcium;disodium;disulfate Chemical compound [Na+].[Na+].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GYZGFUUDAQXRBT-UHFFFAOYSA-J 0.000 title claims abstract description 12
- 238000005065 mining Methods 0.000 claims abstract description 46
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000011435 rock Substances 0.000 claims abstract description 17
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims abstract description 16
- 239000010446 mirabilite Substances 0.000 claims abstract description 16
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Inorganic materials [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 18
- 235000010333 potassium nitrate Nutrition 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 7
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 claims 2
- 230000018109 developmental process Effects 0.000 description 5
- 239000002360 explosive Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000036346 tooth eruption Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
- 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
-
- 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
- E21F13/06—Transport of mined material at or adjacent to the working face
-
- 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
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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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)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Remote Sensing (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a glauberite mine roadway tunneling process, belongs to the technical field of glauberite mine development, and aims to solve the problem of overlarge safety risk of the existing process. Which comprises the following steps: (1) mining a mirabilite ore: exploring the mirabilite mine, avoiding rocks with the Purchase hardness of more than 8 in a mining solution area, placing the rock layers with the Purchase hardness of more than 8 at the top of the roadway, arranging a drift and a cut drift in the mining solution area, and performing tunneling of the drift and the cut drift by a tunneling machine; (2) installing an ore transportation system: arranging a longitudinal conveying belt and a transverse conveying belt in the mining solution area, wherein the longitudinal conveying belt is connected with the main conveying belt, and the transverse conveying belt is connected with the longitudinal conveying belt; (3) and (3) tunneling ore transportation: when the roadway is tunneled, the material stones are conveyed to the longitudinal conveying belt through the retractable belt of the tunneling machine, and when the roadway is tunneled and cut, the material stones are conveyed to the transverse conveying belt through the retractable belt of the tunneling machine. The invention is suitable for the glauberite mine roadway tunneling process.
Description
Technical Field
The invention belongs to the technical field of glauberite ore development, and particularly relates to a glauberite ore roadway tunneling process.
Background
With the aging of the annual structure of mine operators, fewer and fewer operators can engage in the front-line operation of mines, particularly the tunneling of roadways. And the operation form of drilling and blasting is generally adopted for roadway excavation, because of the characteristic of mirabilite mining, a plurality of tens of thousands of meters of roadways need to be excavated every year, a large amount of detonators and explosives are used, and the safety risk is high. Therefore, if the number of operators can be reduced by means of mechanical operation, fewer or no explosives and detonators are used, the safety risk in the operation process is reduced, and the number of the operators exposed to the risk is reduced, so that the aim of safe production can be fulfilled.
If the development machine can be applied to the exploitation of mirabilite ores, the exploitation efficiency can be improved. However, since the rock hardness (pug) of a mirabilite mine is generally 4-6, and the hardness of a special rock stratum is 8-10, the mining of the hard rock of 8-10 by using a heading machine is still a problem.
Meanwhile, because of the characteristics of the mirabilite mine, a transverse drift and a longitudinal cutting drift are arranged in one mining solution area, and the transportation of tunneling ores is also a difficult problem.
Disclosure of Invention
The invention aims to: the glauberite mine roadway tunneling process is provided, and the problem that the safety risk of the existing process is overlarge is solved.
The technical scheme adopted by the invention is as follows:
a glauberite ore roadway tunneling process comprises the following steps:
(1) mining a mirabilite ore: exploring a mirabilite mine, avoiding rocks with the Purchase hardness of more than 8 in a mining solution area, placing the rock layers with the Purchase hardness of more than 8 at the top of a roadway, arranging a transverse roadway and a longitudinal cut roadway in the mining solution area, and performing tunneling of the roadway and the cut roadway by a tunneling machine;
(2) installing an ore transportation system: arranging a longitudinal conveyor belt and a transverse conveyor belt in the mining solution area, wherein the longitudinal conveyor belt and the mining solution area saltpeter layer have the same inclination direction and are arranged in a most lateral cut lane, the longitudinal conveyor belt is connected with a main conveyor belt in the development lane, the transverse conveyor belt and the mining solution area saltpeter layer have the same trend direction and are arranged in a most lateral flat lane, and the transverse conveyor belt is connected with the longitudinal conveyor belt in the mining solution area;
(3) and (3) tunneling ore transportation: when the heading machine digs into a roadway, the stones are intensively conveyed to the longitudinal transport belt through the telescopic belt behind the heading machine and then conveyed to the main transport belt in the developed roadway through the longitudinal transport belt;
when the heading machine is used for heading and cutting a roadway, the material stones are conveyed to the transverse conveying belt in a centralized manner through the telescopic belt behind the heading machine, the transverse conveying belt conveys the material stones to the longitudinal conveying belt, and the material stones are conveyed to the main conveying belt in the opened roadway through the longitudinal belt.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, the number of operators is reduced by means of mechanical operation, and the use of explosives and detonators is reduced, so that the safety risk in the operation process is reduced, the number of people exposed to the risk is reduced, and the purpose of safe production is achieved. Meanwhile, the rock layer with the excessive hardness is arranged at the top of the roadway, so that the rock with the excessive hardness is effectively prevented from being mined, the abrasion of cutting teeth of the heading machine is reduced, and the use cost of the heading machine is reduced.
2. According to the mining characteristics of a mirabilite mine, a longitudinal transport belt and a transverse transport belt are arranged in a mining solution area, the longitudinal transport belt and a nitre layer in the mining solution area have the same inclination direction and are arranged in a most lateral cut lane, the longitudinal transport belt is connected with a main transport belt in an exploitation lane, the transverse transport belt and a nitre layer in the mining solution area have the same direction and are arranged in a most lateral drift, the transverse transport belt is connected with the longitudinal transport belt in the mining solution area, when a heading machine digs the drift, material stones are intensively discharged onto the longitudinal belt through a telescopic belt behind the heading machine, and the longitudinal belt is conveyed to the exploitation main transport belt; when the heading machine is used for heading and cutting a roadway, the material stones are intensively discharged onto the transverse belt through the telescopic belt behind the heading machine, the transverse belt is transferred to the longitudinal belt in the solution area, and the longitudinal belt is transferred to the main conveying belt.
Drawings
FIG. 1 is a schematic illustration of the mining of the present invention;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A glauberite ore roadway tunneling process comprises the following steps:
(1) mining a mirabilite ore: exploring a mirabilite mine, avoiding rocks with the Purchase hardness of more than 8 in a mining solution area, placing the rock layers with the Purchase hardness of more than 8 at the top of a roadway, arranging a transverse roadway and a longitudinal cut roadway in the mining solution area, and performing tunneling of the roadway and the cut roadway by a tunneling machine;
(2) installing an ore transportation system: arranging a longitudinal conveyor belt and a transverse conveyor belt in the mining solution area, wherein the longitudinal conveyor belt and the mining solution area saltpeter layer have the same inclination direction and are arranged in a most lateral cut lane, the longitudinal conveyor belt is connected with a main conveyor belt in the development lane, the transverse conveyor belt and the mining solution area saltpeter layer have the same trend direction and are arranged in a most lateral flat lane, and the transverse conveyor belt is connected with the longitudinal conveyor belt in the mining solution area;
(3) and (3) tunneling ore transportation: when the heading machine digs into a roadway, the stones are intensively conveyed to the longitudinal transport belt through the telescopic belt behind the heading machine and then conveyed to the main transport belt in the developed roadway through the longitudinal transport belt;
when the heading machine is used for heading and cutting a roadway, the material stones are conveyed to the transverse conveying belt in a centralized manner through the telescopic belt behind the heading machine, the transverse conveying belt conveys the material stones to the longitudinal conveying belt, and the material stones are conveyed to the main conveying belt in the opened roadway through the longitudinal belt.
In the implementation process, the number of operating personnel is reduced by means of mechanical operation, the use of explosives and detonators is reduced, the safety risk in the operation process is reduced, the number of personnel exposed to the risk is reduced, and the aim of safe production is fulfilled. Meanwhile, the rock layer with the excessive hardness is arranged at the top of the roadway, so that the rock with the excessive hardness is effectively prevented from being mined, the abrasion of cutting teeth of the heading machine is reduced, and the use cost of the heading machine is reduced. According to the mining characteristics of a mirabilite mine, a longitudinal transport belt and a transverse transport belt are arranged in a mining solution area, the longitudinal transport belt and a nitre layer in the mining solution area have the same inclination direction and are arranged in a most lateral cut lane, the longitudinal transport belt is connected with a main transport belt in an expansion lane, the transverse transport belt and the nitre layer in the mining solution area have the same direction and are arranged in a most lateral flat lane, the transverse transport belt is connected with the longitudinal transport belt in the mining solution area, when a heading machine digs the flat lane, the stones are intensively discharged onto the longitudinal belt through a telescopic belt behind the heading machine, and the longitudinal belt is conveyed to the expansion main transport belt; when the heading machine is used for heading and cutting a roadway, the material stones are intensively discharged onto the transverse belt through the telescopic belt behind the heading machine, the transverse belt is transferred to the longitudinal belt in the solution area, and the longitudinal belt is transferred to the main conveying belt.
Example 1
A glauberite ore roadway tunneling process comprises the following steps:
(1) mining a mirabilite ore: exploring a mirabilite mine, avoiding rocks with the Purchase hardness of more than 8 in a mining solution area, placing the rock layers with the Purchase hardness of more than 8 at the top of a roadway, arranging a transverse roadway and a longitudinal cut roadway in the mining solution area, and performing tunneling of the roadway and the cut roadway by a tunneling machine;
(2) installing an ore transportation system: arranging a longitudinal conveyor belt and a transverse conveyor belt in the mining solution area, wherein the longitudinal conveyor belt and the mining solution area saltpeter layer have the same inclination direction and are arranged in a most lateral cut lane, the longitudinal conveyor belt is connected with a main conveyor belt in the development lane, the transverse conveyor belt and the mining solution area saltpeter layer have the same trend direction and are arranged in a most lateral flat lane, and the transverse conveyor belt is connected with the longitudinal conveyor belt in the mining solution area;
(3) and (3) tunneling ore transportation: when the heading machine digs into a roadway, the stones are intensively conveyed to the longitudinal transport belt through the telescopic belt behind the heading machine and then conveyed to the main transport belt in the developed roadway through the longitudinal transport belt;
when the heading machine is used for heading and cutting a roadway, the material stones are conveyed to the transverse conveying belt in a centralized manner through the telescopic belt behind the heading machine, the transverse conveying belt conveys the material stones to the longitudinal conveying belt, and the material stones are conveyed to the main conveying belt in the opened roadway through the longitudinal belt.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (1)
1. A glauberite ore roadway tunneling process is characterized by comprising the following steps:
(1) mining a mirabilite ore: exploring a mirabilite mine, avoiding rocks with the Purchase hardness of more than 8 in a mining solution area, placing the rock layers with the Purchase hardness of more than 8 at the top of a roadway, arranging a transverse roadway and a longitudinal cut roadway in the mining solution area, and performing tunneling of the roadway and the cut roadway by a tunneling machine;
(2) installing an ore transportation system: arranging a longitudinal conveyor belt and a transverse conveyor belt in the mining solution area, wherein the longitudinal conveyor belt and the mining solution area saltpeter layer have the same inclination direction and are arranged in a most lateral cut lane, the longitudinal conveyor belt is connected with a main conveyor belt in the development lane, the transverse conveyor belt and the mining solution area saltpeter layer have the same trend direction and are arranged in a most lateral flat lane, and the transverse conveyor belt is connected with the longitudinal conveyor belt in the mining solution area;
(3) and (3) tunneling ore transportation: when the heading machine digs into a roadway, the stones are intensively conveyed to the longitudinal transport belt through the telescopic belt behind the heading machine and then conveyed to the main transport belt in the developed roadway through the longitudinal transport belt;
when the heading machine is used for heading and cutting a roadway, the material stones are conveyed to the transverse conveying belt in a centralized manner through the telescopic belt behind the heading machine, the transverse conveying belt conveys the material stones to the longitudinal conveying belt, and the material stones are conveyed to the main conveying belt in the opened roadway through the longitudinal belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010347971.9A CN111535811A (en) | 2020-04-28 | 2020-04-28 | Glauberite ore roadway tunneling process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010347971.9A CN111535811A (en) | 2020-04-28 | 2020-04-28 | Glauberite ore roadway tunneling process |
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| Publication Number | Publication Date |
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| CN111535811A true CN111535811A (en) | 2020-08-14 |
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| CN202010347971.9A Pending CN111535811A (en) | 2020-04-28 | 2020-04-28 | Glauberite ore roadway tunneling process |
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Application publication date: 20200814 |