CN108547615B - Method for mining in complex ore body group by using trackless equipment - Google Patents
Method for mining in complex ore body group by using trackless equipment Download PDFInfo
- Publication number
- CN108547615B CN108547615B CN201810265708.8A CN201810265708A CN108547615B CN 108547615 B CN108547615 B CN 108547615B CN 201810265708 A CN201810265708 A CN 201810265708A CN 108547615 B CN108547615 B CN 108547615B
- Authority
- CN
- China
- Prior art keywords
- stope
- layered
- ore
- mining
- prying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/20—General features of equipment for removal of chippings, e.g. for loading on conveyor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
Abstract
The invention discloses a method for mining in a complex ore body group by using trackless equipment, which comprises the following steps: s1, mining engineering: according to the occurrence state of the ore body, designing a multilayer ramp along the trend of the ore body on one side of the ore body footwall, wherein a layered approach is arranged on the side surface of the ramp and communicated with each stope; s2, rock drilling: the rock drilling adopts a drill jumbo, and each time the recovery is carried out and the layered propulsion is carried out; the drill jumbo enters a stope from a layered access of a ramp; s3, prying the wool: the prying trolley enters a stope from a layered approach; the prying operation is pushed to the tunnel face from the layered entry, and the prying operation is returned to a safe place from the layered entry after the prying operation is qualified; s4, flat field ore removal operation: the electric scraper enters a stope from a layered access and transports part of ores from a ore removal access. According to the characteristics of complex ore body group occurrence, the invention uses a slope way for accurate mining and recovery, so that the trackless equipment can work in a layered stope.
Description
Technical Field
The invention relates to a mining method, in particular to a method for mining in a complex ore body group by using trackless equipment.
Background
In the traditional shallow hole shrinkage method construction process, all working links are manually operated, in the stoping operation link, the rock drilling operation adopts YT28 drilling construction, only 50-80 tons of stoping can be carried out in a single work, and the stoping efficiency is low; in the process of the prying operation, a person adopts a prying bar to pry the hairs in a stope, as the stope roof finishes the extraction each time, more pumice stones are provided, the physical strength of the person is limited, and part of the pumice stones with potential safety hazards cannot be processed, so that the hole punching processing can be performed only before the next extraction, and the extraction progress of one time is invisibly reduced; in the leveling operation link, the staff need level the stoped ore pile after the prying operation is finished, the workload of the leveling is large, all ores are carried by manpower, the labor intensity of workers is the greatest in all the operation links under the shaft, and the workers need to continuously operate for 7-8 hours sometimes; in the ore removal operation link, the traditional shallow hole shrinkage method construction adopts a rock loader to remove ore, and a scraper is adopted to remove ore at present, so that the ore removal efficiency is greatly improved; under the condition that the ore body is complex, the ore body extends to one side of the ore body in multiple directions, the extended ore body cannot fall into a stoping space by means of gravity, and in order to avoid loss of the ore body, the extended ore body can only stope the ore body in a cutting stoping mode, so that the intensity of work flat field operation is invisibly increased, and the stoping efficiency of a stope is reduced; in all the recovery links, personnel operate in a space with a large exposed area, and particularly in the flat field operation link, the safety of the personnel cannot be well guaranteed; for ore body groups with more complex ore bodies, the mining accurate engineering quantity is larger, the raise is more and the production investment is larger when the traditional shallow hole shrinkage method is adopted for construction.
Disclosure of Invention
In order to solve the defects of the technology, the invention provides a method for mining in a complex ore body group by using trackless equipment.
In order to solve the technical problems, the invention adopts the technical scheme that: a method for mining in a complex ore body group by using trackless equipment comprises the following steps:
s1, mining engineering: according to the occurrence state of the ore body, designing a multilayer ramp along the trend of the ore body on one side of the ore body footwall, wherein a layered approach is arranged on the side surface of the ramp and communicated with each stope;
s2, rock drilling: after the stope preparation project of the stope is completely constructed, the stope rock drilling operation is started; the rock drilling adopts a drill jumbo, and each time the recovery is carried out and the layered propulsion is carried out; the drill jumbo enters a stope from a layered access of the ramp, and after drilling is finished, the drill jumbo retreats to a safe place through the layered access to perform blasting and ventilation operation;
s3, prying the wool: after the on-site ventilation is qualified, the prying trolley enters a stope from a layered approach; the prying operation is pushed to the tunnel face from the layered entry, and the prying operation is returned to a safe place from the layered entry after the prying operation is qualified;
s4, flat field ore removal operation: when the roof of the stope is qualified in terms of prying, an electric scraper is used for carrying out flat field operation in the stope, the electric scraper enters the stope from a layered access, and partial ores are conveyed away from a ore removal access.
Further, one side of the stope is communicated with a ventilation raise through a communication roadway; and the ventilation raise is arranged on one side of the advancing trend of the stope.
Furthermore, the ore removal inlet passage is arranged on one side of the ore body lower disc.
Furthermore, the ore removal inlet passage is also arranged on one side of the ore body upper disc.
Furthermore, in the rock drilling operation, a horizontal blast hole is adopted for blasting operation, and the depth of the blast hole is 3-4 m; the mining width is the width of an ore body, and the mining height is 3-3.5 m.
Furthermore, in the flat-field ore removal operation, the ore removal amount is 1/2-1/3 of the ore recovery amount each time; and after the flat stope is finished, the height of the stope pile from the top plate is 3 meters.
Furthermore, the rock drilling trolley, the prying trolley and the electric scraper are trackless equipment.
Furthermore, a cutting raise and a rock drilling roadway are arranged above the stope and used for recovering the ore pillars.
The invention has the beneficial effects that:
(1) during accurate mining engineering design, a trackless slope way is considered to replace part of an accurate mining raise, a plurality of stopes are communicated with the slope way, trackless equipment is used for stoping in a plurality of stopes, and the high-efficiency advantage of the trackless equipment is exerted.
(2) In the links of rock drilling, hair prying, field leveling and ore removal, the trackless equipment replaces manual work, so that the safety coefficient in the process of stoping can be greatly improved, and personnel can be relieved from high-intensity physical labor.
(3) The complex ore body group is mined by a shallow hole ore-sliding method by using trackless equipment, so that the production efficiency can be improved by 2-3 times.
In conclusion, according to the occurrence characteristics of complex ore body groups, the slope is used for mining preparation and stoping, so that the trackless equipment can work in a layered stope. The design of mining preparation adopts a slope ramp to be combined with other mining preparation projects of ore body groups, so that trackless equipment can be used for mining preparation construction and shallow hole stoping. The complex ore body group mining is safer and more efficient by using the trackless equipment.
Drawings
Fig. 1 is a schematic diagram of a exploration structure of the present invention.
Fig. 2 is a sectional view of a ramp and a layered access roadway according to the invention.
In the figure: 1. ventilating raise shafts; 2. ore removal and access; 3. drilling a roadway; 4. a ramp; 5. mining a mine pile; 6. non-mined ore bodies; 7. blast holes; 8. entering a passage in a layered way; 9. a connecting lane; 10. and cutting the raise.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
A method of mining as shown in figure 1, comprising the steps of:
s1, mining engineering: according to the occurrence state of the ore body, a multilayer ramp is designed along the trend of the ore body on one side of the ore body footwall, and layered access ways are arranged on the side surfaces of the ramp and communicated with all stopes.
S2, rock drilling: after the stope preparation project of the stope is completely constructed, the stope rock drilling operation is started; the rock drilling adopts a drill jumbo, and each time the recovery is carried out and the layered propulsion is carried out; the drill jumbo enters a stope from a layered access 8 of the ramp 4, and after drilling is finished, the drill jumbo retreats to a safe place through the layered access 8 to perform blasting and ventilation operation; the blasting adopts a horizontal blast hole 7, and the depth of the blast hole is 3-4 meters; the mining width is the width of an ore body, and the mining height is 3-3.5 m.
S3, prying the wool: after the field ventilation is qualified, the prying trolley enters a stope from a layering access 8; the prying operation is carried out from the entrance of the layered access 8 to the tunnel face, and the prying operation is returned to a safe place from the layered access 8 after the prying operation is qualified.
S4, flat field ore removal operation: when the roof of the stope is qualified in terms of prying, carrying out leveling operation in the stope by an electric scraper, wherein the electric scraper enters the stope through a layering access 8 and transports part of ores mined from an ore pile 5 through an ore removal access 2; the ore output amount of each time is 1/2-1/3 of the ore recovery amount; and after the flat stope is finished, the height of the stope pile from the top plate is 3 meters.
In the mining method of the embodiment, in order to mine in a complex ore body group by using trackless equipment, the stope is arranged as follows: in the stope, safety outlets are uniformly arranged on two sides of the trend of the chamber, the safety outlet on one side is communicated with the ramp 4 through a layered access 8, and the other side is communicated with a ventilation raise arranged on one side of the advancing trend of the stope through a connection lane 9, so that the ramp 4, the layered access 8, the stope chamber, the connection lane 9, the ventilation raise 1 and the whole safety channel for stope and ventilation are formed.
In the traditional shallow hole shrinkage method, both the rock drilling and the wool prying are carried out manually in the recovery process, the layering height is generally 1.5-2 m, the rock drilling trolley is adopted for drilling the rock in the test stope, the wool prying trolley is adopted for prying the wool, and the scraper is used for leveling and ore removal, the recovery pushing height is determined to be 3-3.5 m in order to exert the operation efficiency of the rock drilling trolley and the wool prying trolley to the maximum extent, and the leveling and ore removal operation of the scraper is considered to be completed in the current class, namely the layering height is controlled to be 3-3.5 m.
In mining operation, the rock drilling trolley, the hair prying trolley and the electric carry scraper are trackless equipment, the test stope selects HT82 type hydraulic tunneling rock drilling trolley, XYQMS-200A hair prying trolley and XYWJD-1 type electric carry scraper, and the trackless equipment enters the interior of a chamber for operation through a ramp 4 and a layered access 8. As shown in fig. 2, the standard of the mining engineering roadway is 2.5 (wide) by 2.8 (high) for the scraper operation section and 2.8 (wide) by 2.8 (high) for the trolley operation section, and the comprehensive design of equipment used by the ramp and the layered access roadway is carried out according to the shapes of various safety distances and sections required by national relevant regulations such as metal and nonmetal mine safety regulations (GBl 6423-2006) and nonferrous metal mine roadway engineering design regulations (GB50915-2013) and the like in combination with the use of the roadway.
Wherein the electric scooptram leaves the room through the draw route. The ore removal access 2 is generally arranged at the bottom of the ore body and positioned at the bottom of the whole ore room to communicate the ore room with the transportation roadway, and the ore body is arranged on the upper tray and the lower tray simultaneously when the ore body is wider. And the scraper shovels and transports the ores in the chamber into the mine car in the haulage roadway or a nearby ore pass shaft through the ore removal access.
A cutting raise 10 and a rock drilling roadway 3 are arranged above the stope and used for recovering ore pillars; the pillar recovery may be carried out using any conventional mining method.
The invention has the beneficial effects that:
the trackless equipment is used for shallow hole mining of complex ore body groups, rock drilling of the drill jumbo, ore removal of a scraper on a flat field and wool prying of the wool prying jumbo are realized in the aspect of safety, powerful guarantee is provided for safety production, labor intensity of stope workers is greatly reduced, bench production efficiency can reach 200 tons/day, and mining by the trackless equipment is improved by 3 times compared with an original shallow hole shrinkage method. Has very important significance for improving the overall production efficiency of the underground mine.
The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make variations, modifications, additions or substitutions within the technical scope of the present invention.
Claims (6)
1. A method for mining in complex ore body groups by using trackless equipment is characterized in that: the method comprises the following steps:
s1, mining engineering: according to the occurrence state of the ore body, designing a multilayer ramp along the trend of the ore body on one side of the ore body footwall, wherein a layered approach is arranged on the side surface of the ramp and communicated with each stope;
s2, rock drilling: after the stope preparation project of the stope is completely constructed, the stope rock drilling operation is started; the rock drilling adopts a drill jumbo, and each time the recovery is carried out and the layered propulsion is carried out; the drill jumbo enters a stope from a layered access of the ramp, and after drilling is finished, the drill jumbo retreats to a safe place through the layered access to perform blasting and ventilation operation;
in the rock drilling operation, a horizontal blast hole is adopted in the blasting operation, and the depth of the blast hole is 3-4 m; the mining width is the width of an ore body, and the mining height is 3-3.5 m;
s3, prying the wool: after the on-site ventilation is qualified, the prying trolley enters a stope from a layered approach; the prying operation is pushed to the tunnel face from the layered entry, and the prying operation is returned to a safe place from the layered entry after the prying operation is qualified;
s4, flat field ore removal operation: when the roof of the stope is qualified in terms of prying, carrying out flat field operation in the stope by an electric scraper, wherein the electric scraper enters the stope from a layered access and transports part of ores from a ore removal access;
in the open-stope ore removal operation, the ore removal amount is 1/2-1/3 of the ore recovery amount each time; after the flat stope is finished, the height of a stope ore pile from a top plate is 3 m;
in order to mine in a complex ore body group by using trackless equipment, the stope is arranged as follows: in the stope, safety outlets are uniformly arranged on two sides of the trend of the chamber, the safety outlet on one side is communicated with the ramp through a layered approach, and the other side is communicated with a ventilation raise arranged on one side of the advancing trend of the stope through a connection raise, so that a safety channel for whole recovery and ventilation of the ramp, the layered approach, the stope, the connection raise and the ventilation raise is formed.
2. A method of mining with trackless equipment as claimed in claim 1, characterized in that: one side of the stope is communicated with the ventilation raise through a communication roadway; and the ventilation raise is arranged on one side of the advancing trend of the stope.
3. A method of mining with trackless equipment as claimed in claim 1, characterized in that: the ore removal inlet passage is arranged on one side of the ore body lower disc.
4. A method of mining with trackless equipment as claimed in claim 3, characterized in that: the ore removal inlet path is also arranged on one side of the ore body hanging plate.
5. A method of mining with trackless equipment as claimed in claim 1, characterized in that: the rock drilling trolley, the prying trolley and the electric scraper are trackless equipment.
6. A method of mining with trackless equipment as claimed in claim 1, characterized in that: and a cutting raise and a rock drilling roadway are distributed above the stope and used for recovering the ore pillars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810265708.8A CN108547615B (en) | 2018-03-28 | 2018-03-28 | Method for mining in complex ore body group by using trackless equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810265708.8A CN108547615B (en) | 2018-03-28 | 2018-03-28 | Method for mining in complex ore body group by using trackless equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108547615A CN108547615A (en) | 2018-09-18 |
| CN108547615B true CN108547615B (en) | 2020-04-17 |
Family
ID=63517125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810265708.8A Active CN108547615B (en) | 2018-03-28 | 2018-03-28 | Method for mining in complex ore body group by using trackless equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108547615B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112502710A (en) * | 2020-11-10 | 2021-03-16 | 西北矿冶研究院 | Pressure relief roadway type cemented filling mining method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3897976A (en) * | 1974-07-12 | 1975-08-05 | Alex J Gallis | Auger mining machine |
| CN1260461C (en) * | 2003-08-08 | 2006-06-21 | 中南大学 | Continuous mining method of stepped sectional extruding and ore caving followed by filling |
| CN102267394A (en) * | 2011-04-11 | 2011-12-07 | 王书铭 | Power supply method of metal mine trackless equipment and special power device thereof |
| CN103628878B (en) * | 2013-12-16 | 2015-08-12 | 山东科技大学 | Under breaking surrounding rock ore body to route layering without segmentation tunnel filling mining methods |
| CN104060991B (en) * | 2014-06-26 | 2016-01-20 | 中南大学 | A kind of for ramp upward ut and fill stoping in the arteries and veins of Gently inclined thin vein |
-
2018
- 2018-03-28 CN CN201810265708.8A patent/CN108547615B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108547615A (en) | 2018-09-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101871347B (en) | Mining environment reconstruction layering and striping medium-length hole ore removal mining method | |
| CN111828007B (en) | Stoping method for residual studs in underground mine goaf | |
| CN104895566B (en) | A kind of remnant reclaiming mining codes | |
| CN104153780B (en) | Lean ore body sublevel caving stays ore deposit continuous stoping technique | |
| CN108547618A (en) | A kind of two steps mining methods leave the recovery process of studding | |
| CN102086765B (en) | High-sublevel multi-layer mining method of ultrathin copper ore body | |
| CN105952450B (en) | A kind of new method of the double stope collaboration exploitations in underground mine underground | |
| CN106223956B (en) | Medium-length hole courtyard mining afterwards filling method | |
| CN108661646A (en) | A kind of false top house column type shrink afterwards filling mining method | |
| CN111706328B (en) | Mining method for treating goaf left pillars by filling method | |
| CN110029998B (en) | Sublevel rock drilling stage ore removal subsequent filling method suitable for steeply inclined thin and medium thick ore body | |
| CN103089267A (en) | Thin-ore-body shallow hole shrinkage method without sill pillar | |
| CN110905512A (en) | Open stope mining method for gently inclined medium-thickness ore body | |
| CN105041317A (en) | Medium-length hole shrinkage stoping method | |
| CN112746847A (en) | Mining method for slowly-inclined to inclined medium-thickness ore body | |
| CN101824986B (en) | Coal mining process of drilling, loading, conveying and anchoring integral machine | |
| CN104612692B (en) | Formation continuous filling mining method followed by segmentation ore caving polycrystalline substance | |
| CN105257294A (en) | Marble underground cutting mining construction method | |
| CN108547615B (en) | Method for mining in complex ore body group by using trackless equipment | |
| CN104989402A (en) | Medium-deep hole room pillar mining method for limestone underground mine mining | |
| CN111894667B (en) | Upward double-layered drift filling mining method for recoverable support shield of broken ore body | |
| CN103982185B (en) | Upright opening and lateral aperture work in coordination with the mechanization sublevel cut and fill method of back production | |
| CN112682041A (en) | Filling mining method for upper-wall-breaking gentle-inclination thick and large ore body | |
| CN109630116B (en) | Mining method for inclined medium-thickness blind ore body | |
| CN103982184B (en) | Underground mine oper cylinler caved stopes falls the directed landing control method of ore |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |