CN214997641U - Stope structure for picking inclined medium-thickness ore body interlayer - Google Patents
Stope structure for picking inclined medium-thickness ore body interlayer Download PDFInfo
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- CN214997641U CN214997641U CN202120375106.5U CN202120375106U CN214997641U CN 214997641 U CN214997641 U CN 214997641U CN 202120375106 U CN202120375106 U CN 202120375106U CN 214997641 U CN214997641 U CN 214997641U
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Abstract
The utility model relates to a pick and adopt interbedded stope structure of thick ore body in slope, its characterized in that: the ore body divide into the upper strata of stoping, picks and adopts the stone layer and the lower layering of stoping according to the layering condition, arranges middle section transportation lane along trend level outside ore body chassis vein, arranges the pillar respectively at ore block both ends along the ore body trend the pillar the ventilation pedestrian shaft is arranged along the tendency in the upper strata of stoping, middle section transportation lane pass through ventilation pedestrian's contact way with ventilation pedestrian shaft intercommunication, middle section transportation lane passes through drop shaft contact way and drop shaft intercommunication, the utility model discloses the double-layered stone of picking does not need the transportation to be abandoned, has reduced manufacturing cost, has improved the economic benefits of enterprise to mechanized degree is high, and equipment production ability is big, efficient, and personnel's operational environment is good, the degree of safety is high.
Description
Technical Field
The utility model relates to a pick and adopt interbedded stope structure of slope medium-thickness ore body.
Background
Most of domestic sedimentary mineral products are layered mineral deposit output. Depending on the differences in the structural configuration of the ore, the ore type and the ore grade, the layered ore body may be divided into several layers, including rich, lean and interbedded layers. The ore of the rich ore layer has high grade, can be directly sold as commercial ore or can be used as rich ore to enter a processing link, and the ore of the lean ore layer has low grade and can be sold or used only after being enriched into concentrate by a mineral separation process.
Classifying according to the thickness of the ore body, wherein an extremely thin ore deposit is below 0.8 m; 0.8-5 m is a thin deposit; 5-15 m is a medium-thickness deposit; 15-50 m is thick deposit; over 50m is an extremely thick deposit.
Classifying according to the inclination angle of the ore body, wherein the ore body is a horizontal ore deposit at 0-3 degrees; 3-30 degrees is a gently inclined deposit; the inclined deposit is 30-50 degrees; greater than 50 ° is a steeply inclined deposit.
The thickness of each layer of the inclined medium-thickness ore body is uneven, and the layer mining becomes the difficult problem of the mining of the ore body. At present, a mixed mining mode is mostly adopted in the actual mining process, and a sublevel method, a burst transport method, a staged method or a layered filling method are utilized to carry out mining on an ore layer and a sandwiched layer at one time, so that although the mining efficiency is high, the construction safety is high, the sandwiched layer cannot be removed, and the ore dilution rate, the loss rate and the mineral processing cost are high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pick and adopt interbedded stope structure of thick ore body in slope has reduced manufacturing cost, has improved the economic benefits of enterprise, and degree of mechanization is high, and equipment production capacity is big, efficient, and personnel's operational environment is good, the degree of safety is high.
In order to realize the purpose, the utility model discloses a technical scheme is:
a kind of picking and mining the interbedded stope structure of the thick ore body of slope, characterized by that: the ore body is divided into an upper mining layering layer, a rock inclusion layer and a lower mining layering layer according to the layering condition;
horizontally arranging a middle section transportation lane along the trend outside the ore body chassis vein, arranging studs at two ends of an ore block along the trend of the ore body, arranging ventilation pedestrian shafts along the trend in the stoping upper layering of the studs, wherein the middle section transportation lane is communicated with the ventilation pedestrian shafts through ventilation pedestrian connecting lanes, and the middle section transportation lane is communicated with a drop shaft through drop shaft connecting lanes;
dividing the ore block into 5 subsections according to the height of 8-13 m in the inner edge trend of the ore block, wherein the subsections are 1-5 in sequence from bottom to top#Segmented at 2-5#A segmented gallery is arranged along the trend of the outer edge of the segmented chassis vein, and is communicated with the ventilation pedestrian patio through the ventilation pedestrian communication channel and communicated with the drop shaft through the drop shaft communication channel;
in the range of 3 to 5#The bottom of the upper mining layering, the lower mining layering and the top mining layering is provided with a segmented rock drilling roadway along the trend, one side of the segmented rock drilling roadway is provided with a cutting raise along the inclination of an ore body, and the number of the cutting raise is 1-2#The sublevel chassis is respectively provided with an ore loading roadway, and the ore loading roadway is communicated with the middle section transportation roadway and the sublevel roadway which are arranged outside the same horizontal chassis in parallel through a plurality of ore loading transverse roadways;
several ore blocksAnd a mining area slope ramp is arranged outside the middle chassis vein and is respectively communicated with the middle section transportation lane and the subsection roadway for the entry and exit of a scraper and a rock drilling trolley, the lowest subsection of a mining room is excavated in a mining-accurate cutting stage to form a bottom space, the bottom space is used for stoping an upper layering layer and storing a stone clamping layer for picking, and the waste rocks cemented and filled in the bottom space and bottom pillars arranged at the bottoms of ore blocks form permanent ore pillars together. When stratified under stoping, at 3#And grooves are formed at the bottoms of the segments and are used for mining ores.
Picking the stope structure of the interlayer of the inclined medium-thickness ore body, wherein: the specifications of the subsection roadway, the ore loading cross roadway, the mining area slope way, the ventilation pedestrian communication way, the drop shaft communication way and the subsection rock drilling roadway are 3.7m multiplied by 3.53m, and the gradient of the mining area slope way is less than or equal to 15%.
Picking the stope structure of the interlayer of the inclined medium-thickness ore body, wherein: the specification of the ventilating pedestrian courtyard is 2.0m multiplied by 2.0 m.
The utility model has the advantages that:
(1) the rejected waste rocks are discharged to the bottom of the chamber by explosive force and gravity, and the bottom space is filled, so that the links of waste rock transportation and discharge are reduced, the production cost is reduced, and the economic benefit of enterprises is improved.
(2) And spraying cement slurry on the waste rock pile in the bottom space of the chamber to reinforce and then forming a permanent ore pillar together with the ore block bottom pillar. Not only stabilizes the goaf, but also solves the stacking problem of the waste rocks. Economic, safe and environment-friendly.
(3) The drilling jumbo, the scraper, the underground truck and other equipment are adopted for operation, the degree of mechanization is high, the production capacity of the equipment is high, the efficiency is high, the operating environment of personnel is good, and the safety degree is high.
(4) And the drilling jumbo drilling technology of 360 degrees is adopted, so that the arrangement of mining and cutting processes is reduced.
(5) The backward stoping sequence ensures the operation safety of the personnel during rock drilling.
Drawings
Fig. 1 is a structural diagram after the mining and cutting process of the stope structure for picking the interlayer of the inclined medium-thickness ore body is completed.
Fig. 2 is a sectional structure view a-a after the mining and cutting process of the stope structure for mining the interlayer of the inclined medium-thickness ore body is completed.
FIG. 3 is a B-B cross-sectional structural view after the mining and cutting process of the stope structure for mining the interlayer of the inclined medium-thickness ore body is completed.
Fig. 4 is a structural diagram of an upper layered stoping and a sudden mining interlayer of a stope structure for mining an inclined medium-thickness ore body interlayer.
FIG. 5 is a cross-sectional view of the top-level mining C-C of a stope structure for mining an inclined mid-thickness ore body interlayer.
FIG. 6 is a D-D sectional structure diagram of the upper strata stoping level of a stope structure for picking the interlayer of the inclined medium-thickness ore body.
FIG. 7 is a cross-sectional view of a mining interlayer E-E of a stope structure for mining an inclined medium-thickness ore body interlayer.
Fig. 8 is a lower layered stoping structure diagram of a stope structure for picking the interlayer of the inclined medium-thickness ore body.
Fig. 9 is a sectional view of a lower stratified stope F-F of a stope structure for picking an inclined medium-thickness ore body interlayer.
Fig. 10 is a sectional view of the lower stratified stope horizontal G-G of a stope structure for picking inclined mid-thickness ore body interlayers.
Reference number 1-middle section haulage lane; 2-sectional roadway; 3-loading mine level; 4-loading mine cross drift; 5-a bottom pillar; 6-stud; 7-mining area slope ramp; 8-pass shaft; 9-draw shaft connecting passage; 10-ventilating pedestrian courtyard; 11-ventilated pedestrian communication; 12-cutting the raise; 13-sectional rock drilling roadway; 14-moat; 15-bottom space.
Detailed Description
As shown in fig. 1 to 10, a stope structure for picking inclined medium-thickness ore body interlayers is characterized in that: the ore body is divided into an upper mining layer, a stone layer and a lower mining layer according to the layering condition.
The mining method comprises the following steps that a middle section transportation lane 1 is horizontally arranged outside an ore body chassis vein along the trend, studs 6 are arranged at two ends of an ore block along the trend of the ore body, ventilation pedestrian shafts 10 are obliquely arranged in a stoping upper layer of the studs 6, the middle section transportation lane 1 is communicated with the ventilation pedestrian shafts 10 through ventilation pedestrian connecting passages 11, and the middle section transportation lane 1 is communicated with a drop shaft 8 through a drop shaft connecting passage 9.
Dividing the ore block into 5 subsections according to the height of 8-13 m in the inner edge trend of the ore block, wherein the subsections are 1-5 in sequence from bottom to top#Segmented at 2-5#A segmented gallery 2 is arranged along the trend of the outsides of the veins of the segmented chassis, and the segmented gallery 2 is communicated with the ventilation pedestrian patio 10 through the ventilation pedestrian communication channel 11 and communicated with the drop shaft 8 through the drop shaft communication channel 9;
in the range of 3 to 5#And arranging a segmented rock drilling roadway 13 at the bottom of the upper mining layering, the rock clamping layer and the lower mining layering along the trend, arranging a cutting raise 12 at one side of the segmented rock drilling roadway 13 along the inclination of an ore body at 1-2#The sublevel chassis is respectively provided with an ore loading roadway 3, and the ore loading roadway 3 is communicated with the middle section transportation roadway 1 and the sublevel roadway 2 which are arranged outside the same horizontal chassis in parallel through a plurality of ore loading roadways 4;
a mining area slope 7 is arranged outside the chassis vein of the middle of a plurality of ore blocks and is respectively communicated with the middle section transportation lane 1 and the subsection roadway 2 to allow a scraper and a rock drilling trolley to come in and go out, the lowest subsection of a mining room is cut in a mining-accurate cutting stage to form a bottom space 15, the bottom space 15 is used for stoping an upper stratified and storing and mining stone-sandwiched layer, and waste rocks filled by cementing in the bottom space 15 and bottom pillars 5 arranged at the bottom of the ore blocks jointly form permanent ore pillars. When stratified under stoping, at 3#The bottom of the segment forms a trench 14 for the recovery of ore.
The specifications of the subsection roadway 2, the ore loading roadway 3, the ore loading cross roadway 4, the mining area slope ramp 7, the ventilation pedestrian communication channel 11, the drop shaft communication channel 9 and the subsection rock drilling roadway 13 are 3.7m multiplied by 3.53m, and the gradient of the mining area slope ramp 7 is less than or equal to 15%.
The ventilating pedestrian courtyard 10 is 2.0m multiplied by 2.0m in specification.
In the embodiment, the ore body is divided into an upper mining layer, a rock layer and a lower mining layer according to the layering condition, wherein the upper mining layer is firstly mined, the rock layer is then mined, and the lower mining layer is finally mined.
The middle section transportation lane 1 is horizontally arranged outside the ore body chassis along the trend, the studs 6 are arranged at two ends of an ore block along the trend of the ore body, the ventilation pedestrian shaft 10 is arranged in the stoping upper layering of the studs 6 along the trend for pedestrian movement and ventilation, the middle section transportation lane 1 is communicated with the ventilation pedestrian shaft 10 through the ventilation pedestrian connecting passage 11, and the middle section transportation lane 1 is communicated with the chute 8 through the chute connecting passage 9.
In the range of 3 to 5#And arranging the segmented rock drilling lane 13 at the bottoms of the upper mining layering, the lower mining layering and the picking layering along the trend, arranging the cutting raise 12 at one side of the segmented rock drilling lane 13 along the inclination of an ore body, drilling medium-length holes in the segmented rock drilling lane 13, carrying out multi-row blasting, and conveying the blasted ore to the middle section transportation lane 1 by a scraper and unloading the ore through the drop shaft 8.
In the range of 2 to 5#Parallel subsection galleries 2 are arranged outside the veins of the subsection chassis, the subsection galleries 2 are communicated with the ventilation pedestrian patios 10 through the ventilation pedestrian connecting passages 11, the subsection galleries 2 are communicated with the drop shafts 8 through the drop shaft connecting passages 9, the exploded ores are conveyed to the subsection galleries 2 through a scraper conveyor and are discharged through the drop shafts 8, and the ventilation pedestrian patios 10 are 2.0m multiplied by 2.0m in specification.
The mining area slope ramp 7 is arranged outside chassis veins in the middle of a plurality of ore blocks, the slope gradient of the mining area slope ramp 7 is not more than 15%, the mining area slope ramp is respectively communicated with the middle section transportation lane 1 and the subsection roadway 2, so that a carry-scraper and a rock drilling trolley can conveniently enter and exit, the lowest subsection of a mining room is cut in a mining-accurate cutting stage, a bottom space 15 is formed, and the bottom space 15 is cemented and filled with waste rocks and a bottom pillar 5 arranged at the bottom of the ore blocks to jointly form a permanent ore pillar. When stratified under stoping, at 3#The bottom of the segment forms a trench 14 for the recovery of ore.
In the range of 1 to 2#The segmented lower layered chassis arrangement ore loading driftway 3 is communicated with the middle section transportation drift way 1 which is arranged outside the same horizontal chassis vein in parallel through a plurality of ore loading driftways 4.
The specifications of the subsection roadway 2, the loading roadway 3, the loading cross roadway 4, the mining area slope ramp 7, the ventilation pedestrian communication channel 11, the drop shaft communication channel 9 and the subsection rock drilling roadway 13 are 3.7m × 3.53 m.
The utility model has the advantages that:
(1) the rejected waste rocks are discharged to the bottom of the chamber by explosive force and gravity, and the bottom space is filled, so that the links of waste rock transportation and discharge are reduced, the production cost is reduced, and the economic benefit of enterprises is improved.
(2) And spraying cement slurry on the waste rock pile in the bottom space of the chamber to reinforce and then forming a permanent ore pillar together with the ore block bottom pillar. Not only stabilizes the goaf, but also solves the stacking problem of the waste rocks. Economic, safe and environment-friendly.
(3) The drilling jumbo, the scraper, the underground truck and other equipment are adopted for operation, the degree of mechanization is high, the production capacity of the equipment is high, the efficiency is high, the operating environment of personnel is good, and the safety degree is high.
(4) And the drilling jumbo drilling technology of 360 degrees is adopted, so that the arrangement of mining and cutting processes is reduced.
(5) The backward stoping sequence ensures the operation safety of the personnel during rock drilling.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (3)
1. A kind of picking and mining the interbedded stope structure of the thick ore body of slope, characterized by that: the ore body is divided into an upper mining layering layer, a rock inclusion layer and a lower mining layering layer according to the layering condition;
horizontally arranging a middle section transportation lane (1) along the trend outside the ore body chassis vein, arranging studs (6) at two ends of an ore block along the trend of the ore body, arranging ventilation pedestrian shafts (10) in the stoping upper layering of the studs (6) along the inclination, communicating the middle section transportation lane (1) with the ventilation pedestrian shafts (10) through a ventilation pedestrian communication channel (11), and communicating the middle section transportation lane (1) with a chute (8) through a chute communication channel (9);
dividing the ore block into 5 subsections according to the height of 8-13 m in the inner edge trend of the ore block, wherein the subsections are 1-5 in sequence from bottom to top#Segmented at 2-5#A segmented drift (2) is arranged along the trend of the outsides of the veins of the segmented chassis, and the step is characterized in thatThe segmented drift (2) is communicated with the ventilation pedestrian raise (10) through the ventilation pedestrian communication passage (11) and communicated with the drop shaft (8) through the drop shaft communication passage (9);
in the range of 3 to 5#The bottom of the segmented stoping upper layer, the mining and coal-clamping layer and the mining lower layer is provided with a segmented rock drilling roadway (13) along the trend, one side of the segmented rock drilling roadway (13) is provided with a cutting raise (12) along the inclination of an ore body, and the number of the cutting raise is 1-2#Ore loading drifts (3) are respectively arranged on the subsection lower layered chassis, and the ore loading drifts (3) are communicated with the middle section transportation drift (1) and the subsection drifts (2) which are arranged outside the same horizontal chassis in parallel through a plurality of ore loading cross drifts (4);
a mining area slope way (7) is arranged outside a plurality of ore block middle chassis vein and is respectively communicated with the middle section transportation lane (1) and the subsection roadway (2) for the scraper and the rock drilling trolley to come in and go out, the lowest subsection of a mining room is cut in a mining-accurate cutting stage to form a bottom space (15), the bottom space (15) is used for stoping an upper layering layer and storing a stone clamping layer for picking, the waste rock cemented and filled in the bottom space (15) and a bottom pillar (5) arranged at the bottom of an ore block form a permanent ore pillar together, and when the ore block is stoped and layered, the mining area slope way is arranged at 3#A trench (14) is formed at the bottom of the segment for recovering the ore.
2. The stope structure for picking inclined medium-thickness ore body interlayers of claim 1, wherein: the specifications of the subsection roadway (2), the ore loading roadway (3), the ore loading cross roadway (4), the mining area slope way (7), the ventilation pedestrian communication way (11), the drop shaft communication way (9) and the subsection rock drilling roadway (13) are 3.7m multiplied by 3.53m, and the gradient of the mining area slope way (7) is less than or equal to 15%.
3. The stope structure for picking inclined medium-thickness ore body interlayers of claim 1, wherein: the specification of the ventilating pedestrian courtyard (10) is 2.0m multiplied by 2.0 m.
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| CN202120375106.5U CN214997641U (en) | 2021-02-18 | 2021-02-18 | Stope structure for picking inclined medium-thickness ore body interlayer |
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