CN115680661B - Mechanical mining field structure of heading machine with pulse-free outer gallery arranged along trend and mining method thereof - Google Patents
Mechanical mining field structure of heading machine with pulse-free outer gallery arranged along trend and mining method thereof Download PDFInfo
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- CN115680661B CN115680661B CN202310000505.7A CN202310000505A CN115680661B CN 115680661 B CN115680661 B CN 115680661B CN 202310000505 A CN202310000505 A CN 202310000505A CN 115680661 B CN115680661 B CN 115680661B
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Abstract
The invention provides a mechanical mining field structure of a heading machine with a vein-free outer gallery arranged along the trend and a mining method thereof, which relate to the technical field of metal mine mining and comprise the following steps: the device comprises a ramp, a first connecting channel, a second connecting channel and an ore body main body; the ramp sets up the one side at the ore body main part, the second contact is provided with a plurality ofly, the one end of every second contact is all with ore body main part and first contact intercommunication, so that the entry driving machine can get into the ore body main part through first contact and every second contact, the other end and the ramp intercommunication of first contact, the entry driving machine passes through first contact and second contact and gets into the ore body with the orientation of difference in order to tunnel, need not to tunnel a large amount of section drifts and connect the ore deposit vein, the engineering volume of taking a standard has been reduced. The technical problems of large mining accurate engineering quantity, high engineering cost and long construction period in the prior art are solved, and the technical effects of small mining accurate engineering quantity, low engineering cost and short construction period are achieved.
Description
Technical Field
The invention relates to the technical field of metal ore mining, in particular to a mechanical mining field structure of a heading machine with a vein-free outer drift arranged along the trend and a mining method thereof.
Background
For mining steep long-heading ore bodies with small ore deposit scale and complex shape, the common methods in China include a shallow hole shrinkage method, a wall cutting and filling method, a room-column method and the like. In recent years, with the successful research and development, introduction and popularization and application of equipment and filling technology level in China, filling technology and trackless equipment with mature technology are widely applied, the mining technology of domestic steeply inclined thin to medium thick ore bodies is greatly advanced, new mining methods appear in succession, and the technical and economic indexes are obviously improved. However, the traditional rock drilling blasting mining method is still mainly used for metal ores at present, particularly, the air leg manual rock drilling blasting mode is adopted for access mining, the mechanization degree is low, the labor intensity of workers is high, meanwhile, the rock drilling blasting vibration is high, the energy loss of explosive blasting is caused when impact damage is formed on broken ore rocks, the potential safety hazards such as roof caving and rib caving are increased, the overexcavation amount, ore dilution and supporting operation time are increased, and the supporting time is prolonged. The method has the defects of high labor intensity, low rock drilling efficiency, small production capacity, frequent safety accidents and the like.
The cantilever type heading machine achieves mechanical rock breaking through pick type cutting, is one of main equipment for roadway heading, achieves high achievement in a coal mine, and greatly improves cutting power, stability and hardness of cut rock of equipment compared with the prior art. In recent years, cantilever type development machines are new, and the stability and reliability of equipment are checked in mine production. Due to research and development and application of the special dust removing equipment, the problem of dust generated during rock roadway tunneling is solved, and the feasibility of applying the cantilever type tunneling machine to metal mine mining operation is further improved.
However, the requirement for the amount of mining preparation work outside the pulse of the heading machine is high, and a plurality of sublevel drifts are generally required to be arranged underground to connect the ore pulses so as to meet the heading requirements in different directions, so that the engineering cost is high and the construction period is long.
Disclosure of Invention
The invention aims to provide a mechanical mining field structure of a heading machine with a vein-free outer gallery arranged along the trend and a mining method thereof, so as to solve the technical problems of large mining preparation engineering amount, higher engineering cost and longer construction period in the prior art.
The invention provides a mechanical mining field structure of a heading machine with a vein-free outer gallery arranged along the trend, which comprises: the device comprises a ramp, a first connecting channel, a second connecting channel and an ore body main body;
the slope way is arranged on one side of the ore body main body, the slope way is arranged in parallel with the ore body main body, and the first communicating way and the second communicating way are respectively arranged between the slope way and the ore body main body;
the second connecting channels are multiple, one end of each second connecting channel is communicated with the ore body main body and the first connecting channel, so that the heading machine can enter the ore body main body through the first connecting channel and each second connecting channel, and the other end of the first connecting channel is communicated with the slope way.
In an alternative embodiment, the first and second contact channels are both arc-shaped;
the second contact channel is provided with two, one end of the second contact channel is communicated with the first contact channel, the other end of the second contact channel is far away from the first contact channel, and the first contact channel and each second contact channel are in arc transition.
In an optional embodiment, the first communicating channel is arranged at an included angle with the ramp;
the first connecting road and the ramp road are arranged in a circular arc transition mode.
In an alternative embodiment, the ore body includes a first stope, a second stope, and a pillar to be mined;
the to-be-mined pillar is arranged between the first stope and the second stope, the to-be-mined pillar is connected with the first stope and the second stope respectively, and the two second connecting channels are communicated with the first stope and the second stope respectively.
In an alternative embodiment, a stope is provided in both the first and second stopes;
the stoping access is provided with a plurality of, and a plurality of stoping access arranges in proper order along the width direction of first stope, every stoping access all extends along the length direction of first stope and arranges.
In an optional embodiment, an access communication road is further arranged in each of the first stope and the second stope;
the access road communication channel and the width direction of the first stope are arranged in an included angle mode, and the access road communication channel is communicated with each back stepping access channel.
In an optional embodiment, intra-vein communication channels are further arranged in the first stope and the second stope;
the intra-vein contact channel is arranged between the access contact channel and the second contact channel, and the intra-vein contact channel is respectively connected with the access contact channel and the second contact channel.
In an alternative embodiment, a draw shaft and a draw shaft communication passage are arranged in each of the first stope and the second stope;
the drop shaft is communicated with the stoping route through the drop shaft connecting passage, the drop shaft is arranged along the height direction of the ore body main body, and the drop shaft connecting passage is intersected with the stoping route.
The invention also provides a mining method based on the mechanical stope structure of the heading machine with the vein-free outer drift arranged along the strike direction, which comprises the following steps:
dividing the ore body main body into a plurality of subsections along the vertical direction, and dividing a first stope, a second stope and a pillar to be mined in each subsection;
mining a slope way on one side of each subsection in the horizontal direction, and enabling each subsection to be opposite to one slope way;
tunneling from each slope ramp to the corresponding subsection, and sequentially tunneling a first connection ramp and two second connection ramps;
and respectively dividing the first stope and the second stope into a plurality of stoping access roads, and respectively tunneling intra-vein connecting roads and access connecting roads through each second connecting road to be communicated with each stoping access road, so that the tunneling machine can enter each stoping access road for mining through the ramp, the first connecting road, each second connecting road, the intra-vein connecting roads and the access connecting roads.
In an alternative embodiment, the method further comprises:
and after the development of the second stope is finished by the development machine, the development machine returns to the first communication channel through the access communication channel, the intra-vein communication channel and the second communication channel in the second stope and enters the first stope through the other second communication channel, the intra-vein communication channel and the access communication channel to perform development.
The invention provides a mechanical mining field structure of a heading machine with a vein-free outer gallery arranged along the trend, which comprises: the device comprises a ramp way, a first connecting way, a second connecting way and an ore body main body; the slope way is arranged on one side of the ore body main body, the slope way is arranged in parallel with the ore body main body, and the first communicating way and the second communicating way are respectively arranged between the slope way and the ore body main body; the second contact is said and is provided with a plurality ofly, and the one end of every second contact all communicates with ore body main part and first contact to in making the entry driving machine can get into the ore body main part through first contact and every second contact, the other end and the ramp intercommunication of first contact, entry driving machine pass through first contact and second contact with the orientation of difference entering ore body in, need not to tunnel a large amount of segmentation level roads and connect the ore vein, reduced the amount of work of drawing a standard. The technical problems of large mining accuracy engineering quantity, high engineering cost and long construction period in the prior art are solved, and the technical effects of small mining accuracy engineering quantity, low engineering cost and short construction period are achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural view of a mechanical stope structure of a heading machine with a vein-free outer drift arranged along the strike direction and a stope of a mining method thereof, provided by an embodiment of the invention;
fig. 2 is a cross-sectional view of a mechanical stope structure of a heading machine with a vein-free outer drift arranged along the strike direction and a stope of a mining method thereof, provided by an embodiment of the invention;
fig. 3 is another cross-sectional view of a mechanical stope structure of a heading machine with a vein-free outer drift arranged along the strike direction and a stope of the mining method thereof, provided by the embodiment of the invention.
Icon: 1-ramp way; 2-first contact lane; 3-a second contact channel; 4-first stope; 5-a second stope; 6-a pillar to be mined; 7-a stoping route; 8-intraarterial connecting channel; 9-access connection road; 10-draw shaft; and 11-a drop shaft communicating passage.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
At present, the requirement on the amount of mining preparation engineering outside the pulse of the heading machine is high, and a plurality of segmental drifts are generally required to be arranged underground to connect the pulse so as to meet the heading requirements in different directions, so that the engineering cost is high, and the construction period is long.
In view of this, as shown in fig. 1 to fig. 3, the mechanical stope structure of a heading machine with a vein-free outer drift arranged along the strike direction provided by the embodiment of the present invention includes: the device comprises a ramp 1, a first connecting road 2, a second connecting road 3 and an ore body main body; the slope way 1 is arranged on one side of the ore body main body, the slope way 1 is arranged in parallel with the ore body main body, and the first connecting way 2 and the second connecting way 3 are respectively arranged between the slope way 1 and the ore body main body; the second connecting channel 3 is provided with a plurality ofly, and the one end of every second connecting channel 3 all communicates with ore body main part and first connecting channel 2 to make the entry driving machine can get into in the ore body main part through first connecting channel 2 and every second connecting channel 3, the other end and the ramp 1 intercommunication of first connecting channel 2.
The invention provides a mechanical mining field structure of a heading machine with a vein-free outer drift arranged along the trend, which comprises: the device comprises a ramp 1, a first connecting road 2, a second connecting road 3 and an ore body main body; the slope way 1 is arranged on one side of the ore body main body, the slope way 1 is arranged in parallel with the ore body main body, and the first connecting way 2 and the second connecting way 3 are respectively arranged between the slope way 1 and the ore body main body; the second contact is said 3 and is provided with a plurality ofly, the one end of every second contact 3 all communicates with ore body main part and first contact 2, so that the entry driving machine can get into the ore body main part through first contact 2 and every second contact 3 in, the other end and the ramp 1 intercommunication of first contact 2, the entry driving machine passes through first contact 2 and second contact 3 and gets into the ore body with the orientation of difference and digs in, need not to dig a large amount of section drifts and connect the ore vein, the engineering volume of taking the standard has been reduced. The technical problems of large mining accuracy engineering quantity, high engineering cost and long construction period in the prior art are solved, and the technical effects of small mining accuracy engineering quantity, low engineering cost and short construction period are achieved.
The embodiment of the invention also provides a mining method of the mechanical stope structure of the heading machine based on the arrangement of the vein-free outer drift along the strike direction, which comprises the following steps: dividing the ore body main body into a plurality of subsections along the vertical direction, and dividing a first stope 4, a second stope 5 and a pillar 6 to be mined in each subsection; mining a slope way 1 at one side of each subsection in the horizontal direction, and enabling each subsection to be opposite to one slope way 1; tunneling from each ramp 1 to the corresponding section, and sequentially tunneling a first connecting road 2 and two second connecting roads 3; the first stope 4 and the second stope 5 are divided into a plurality of stoping access roads 7 respectively, and are communicated with each stoping access road 7 through each second connecting road 3, and an intra-vein connecting road 8 and an access connecting road 9 respectively, so that the heading machine can enter each stoping access road 7 for mining through the ramp 1, the first connecting road 2, each second connecting road 3, the intra-vein connecting road 8 and the access connecting road 9.
The structure and the shape of the ore body main body, the first connecting channel 2, the second connecting channel 3 and the ramp 1 and the mining method of the heading machine are as follows:
in this embodiment, the ore body may be a metal mine steeply inclined long-running ore body, the inclined ramp 1 is arranged along the length direction, the inclined ramp 1 may be provided with a plurality of or one, the plurality of inclined ramps 1 may be arranged at intervals along the height direction of the ore body, each two adjacent inclined ramps 1 are communicated with each other, each inclined ramp 1 is used for the ore body with a corresponding section of height, each inclined ramp 1 may have a size of 3m to 6m in height and 3m to 6m in width, the ore body may be divided into a plurality of segments, each segment may be divided into a plurality of sub-layers, the height of each segment may be set to 9m to 30m, each segment may be mined for 2 to 8 times, each mining height may be set to 3m to 8m, that is, the height of each sub-layer, when mined each time, the lower end of each segment is mined and then mined and filled, then mining the ore body above the filling part, sequentially mining upwards along the vertical direction until all the layers in each section are mined, or mining the uppermost layer in each section, filling after mining, and then mining the layers below the sections in sequence, wherein the distance between each ramp 1 and the ore body is 20m to 200m, the gradient of each ramp 1 is-10% to-20%, and a first connecting channel 2 and two second connecting channels 3 are arranged between each ramp 1 and the corresponding ore body, as shown in figure 1, one first connecting channel 2 and two second connecting channels 3 are connected and then form a shape like a Chinese character 'ren', the section width size of the first connecting channel 2 and each second connecting channel 3 is 3m to 6m, the height is 3m to 6m, and the turning radius is 15m to 30m, so that the heading machine can complete turning in the first connecting channel 2 and the second connecting channels 3, the first connecting road 2 and the second connecting road 3 can also be in a linear shape, so that the first connecting road 2 and the two second connecting roads 3 can also be in a linear Y shape after being connected, the pillar 6 to be mined arranged between the first stope 4 and the second stope 5 is in an inverted trapezoid shape, as shown in fig. 1, one side of each of the first stope 4 and the second stope 5, which is close to the pillar 6 to be mined, is provided with an access connecting road 9, the access connecting road 9 extends along the edge of the pillar 6 to be mined, the included angle between the access connecting road 9 and the trend of an ore body is 20-50 degrees, the stoping access 7 in each of the first stope 4 and the second stope 5 is in a long strip shape, the width of each stoping access 7 is set to be m-8m, and the stoping height is set to be the mining height; arranging one ore pass 10 every 20m to 150m along the direction of the trend of the ore body, communicating each ore pass 10 with a stoping access 7 through an ore pass communication channel 11 in the horizontal direction, wherein the ore pass 10 and the ore pass communication channel 11 are used for ore removal, arranging a filling ventilation shaft every 20m to 150m along the direction of the trend of the ore body for ventilation and filling, and sealing and filling after the stoping access 7 is mined; after the layered mining is finished, the heading machine backs to the second connecting channel 3 and enters the next layered mining through the filled intra-vein connecting channel 8, or the heading machine backs to the ramp 1 and mines the next segment after the layered mining is finished, meanwhile, two heading machines can also respectively enter from the second connecting channel 3 and respectively mine the first stope 4 and the second stope 5, wherein the gradient of the intra-vein connecting channel 8 is-20%, the middle pillar 6 to be mined directly tunnels the pillar 6 to be mined through the first connecting channel 2 after the mining of the first stope 4 and the second stope 5 on the two sides is finished, and the mining is finished through rock drilling blasting or heading machines.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. A mining method of a mechanical mining field structure of a heading machine with a vein-free outer gallery arranged along a strike is characterized in that the mechanical mining field structure of the heading machine with the vein-free outer gallery arranged along the strike comprises the following steps: the device comprises a ramp, a first connecting channel, a second connecting channel and an ore body main body;
the slope way is arranged on one side of the ore body main body, the slope way is arranged in parallel with the ore body main body, and the first communicating way and the second communicating way are respectively arranged between the slope way and the ore body main body;
the second connecting channels are provided with a plurality of second connecting channels, one end of each second connecting channel is communicated with the ore body main body and the first connecting channel, so that the heading machine can enter the ore body main body through the first connecting channel and each second connecting channel, and the other end of each first connecting channel is communicated with the ramp way;
the main body of the ore body comprises a first stope, a second stope and a pillar to be mined, stoping access roads are arranged in the first stope and the second stope, access road connecting channels are arranged in the first stope and the second stope, and intra-vein connecting channels are arranged in the first stope and the second stope;
the mining method of the mechanical stope structure of the development machine with the vein-free outer gallery arranged along the strike comprises the following steps:
dividing the ore body main body into a plurality of subsections along the vertical direction, and dividing a first stope, a second stope and a pillar to be mined in each subsection;
mining a slope way on one side of each subsection in the horizontal direction, and enabling each subsection to be opposite to one slope way;
tunneling from the slope way to the corresponding section, and sequentially tunneling a first connection way and two second connection ways;
and respectively dividing the first stope and the second stope into a plurality of stoping access roads, and respectively tunneling intra-vein connecting roads and access connecting roads through each second connecting road to be communicated with each stoping access road, so that the tunneling machine can enter each stoping access road for mining through the ramp, the first connecting road, each second connecting road, the intra-vein connecting roads and the access connecting roads.
2. The mining method of a mechanical stope structure of a heading machine with a vein-free outer laneway arranged along the strike direction according to claim 1, wherein the first connecting road and the second connecting road are both arc-shaped;
the second tie says and is provided with two, two the one end of second tie says all with first tie says the intercommunication, two the other end of second tie says and keeps away from the setting each other, first tie say with every circular arc transition sets up between the second tie way.
3. The mining method of a heading machine mechanical stope structure with the vein-free outer laneway arranged along the strike direction according to claim 2, wherein the first connecting road and the slope road are arranged at an included angle;
the first connecting road and the ramp road are arranged in a circular arc transition mode.
4. The mining method of the roadless external heading strike arrangement heading machine mechanical stope structure according to claim 2, wherein the pillar to be mined is arranged between the first stope and the second stope, the pillar to be mined is connected with the first stope and the second stope respectively, and the two second connecting roads are communicated with the first stope and the second stope respectively.
5. The mining method of a roadheader mechanical stope structure with a vein-free outer gate arranged along the strike direction according to claim 4, wherein a plurality of stoping access ways are provided, the plurality of stoping access ways are arranged in sequence along the width direction of the first stope, and each stoping access way is arranged to extend along the length direction of the first stope.
6. The mining method of a roadheader mechanical stope structure with a vein-free outer laneway arranged along the strike according to claim 5, characterized in that the access connection roadway is arranged at an angle to the width direction of the first stope, and the access connection roadway is communicated with each stope.
7. The mining method of a roadless mechanical stope structure of a roadheader arranged along a strike by an outer laneway according to claim 6, characterized in that the intra-vein connecting road is provided between the access connecting road and the second connecting road, and the intra-vein connecting road is connected with the access connecting road and the second connecting road respectively.
8. The method for mining a roadheader mechanical stope structure arranged along the strike by the vein-free outer gate way as claimed in claim 5, wherein a chute and a chute connecting passage are arranged in each of the first stope and the second stope;
the drop shaft is communicated with the stoping route through the drop shaft connecting passage, the drop shaft is arranged along the height direction of the ore body main body, and the drop shaft connecting passage is intersected with the stoping route.
9. The mining method of a mechanical stope structure of a heading machine with no vein outer laneway arranged along strike direction according to claim 1, characterized by further comprising:
and after the development of the second stope is finished by the development machine, the development machine returns to the first connecting channel through the access connecting channel, the intra-pulse connecting channel and the second connecting channel in the second stope and enters the first stope through the other second connecting channel, the intra-pulse connecting channel and the access connecting channel to perform development.
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| SU962594A1 (en) * | 1981-03-16 | 1982-09-30 | Институт Геотехнической Механики Ан Усср | Method of mining sloping coal beds |
| RU2325529C1 (en) * | 2007-01-17 | 2008-05-27 | Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный институт имени Г.В. Плеханова (технический университет)" | Mining method for steep ore bodies |
| RU2461713C1 (en) * | 2011-02-21 | 2012-09-20 | Учреждение Российской академии наук Институт угля Сибирского отделения РАН (ИУ СО РАН) | Development method of thick steeply inclined coal formation in strips as to inclination |
| CN104727820B (en) * | 2015-04-07 | 2017-01-11 | 长沙有色冶金设计研究院有限公司 | Two-step sublevel open-stop and delayed filling mining method |
| CN105587318B (en) * | 2016-01-22 | 2017-07-25 | 长沙有色冶金设计研究院有限公司 | A kind of method of mining by the way of filling of the parallel middle thickness orebody group continuous stoping of low-angle dip |
| CN108060924B (en) * | 2018-01-15 | 2019-06-07 | 中南大学 | High-dipping multi-seams thin deposit mechanization combinations for mining methods |
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