CN109025996A - A kind of underground mine successively squeezes, photoface exploision mining methods - Google Patents
A kind of underground mine successively squeezes, photoface exploision mining methods Download PDFInfo
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- CN109025996A CN109025996A CN201810817503.6A CN201810817503A CN109025996A CN 109025996 A CN109025996 A CN 109025996A CN 201810817503 A CN201810817503 A CN 201810817503A CN 109025996 A CN109025996 A CN 109025996A
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- 238000005065 mining Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000005422 blasting Methods 0.000 claims abstract description 29
- 239000011435 rock Substances 0.000 claims abstract description 19
- 210000001367 artery Anatomy 0.000 claims abstract description 6
- 210000003462 vein Anatomy 0.000 claims abstract description 6
- 239000004567 concrete Substances 0.000 claims description 23
- 238000010276 construction Methods 0.000 claims description 23
- 238000004880 explosion Methods 0.000 claims description 16
- 230000005611 electricity Effects 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000011150 reinforced concrete Substances 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000002360 explosive Substances 0.000 claims description 5
- 238000011437 continuous method Methods 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 3
- 230000003137 locomotive effect Effects 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 230000011218 segmentation Effects 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims description 2
- 239000002699 waste material Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 238000007790 scraping Methods 0.000 description 3
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- E21F13/04—Transport of mined material in gravity inclines; in staple or inclined shafts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lining And Supports For Tunnels (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The invention discloses a kind of underground mines successively to squeeze, photoface exploision mining methods, comprising the following steps: arranges upper disk air return lane and lower wall transportation roadway along the pulse along orebody trend；Transportation roadway is parallel with orebody trend along the pulse and its other side is disposed with mine chute for lower wall；Arteries and veins is worn equipped with vertical with orebody trend in nugget both ends；Length of stope is 40~100m, and it is highly 40~60m that width, which is 5~20m of orebody thickness,；The stope exploitation by the way of successively squeezing photoface exploision from bottom to top.Smooth Surface Blasting Technology is squeezed using layer-by-layer, first carries out tight-face blasting, then carry out Stope roof photoface exploision, few using layer-by-layer extruding ore boulder yield, blasting cost is low；Layer-by-layer photoface exploision reduces the disturbance to country rock, keeps the stabilization of country rock, Stope roof is more smooth, and operating personnel constructs safer in stope；Layer-by-layer upward tailing filling, filling cost are low.
Description
Technical field:
The present invention relates to underground mining technical field, relate generally to a kind of underground mine successively squeeze, photoface exploision mining
Method is primarily adapted for use in not thick, irregular ore body, ore-rock moderately stable.
Background technique:
In mining, for upward slicing and filling mining codes using relatively broad, this mining methods have that structure is simple, operation
Facilitate, the feature that dilution and loss late are low.Traditional upward slicing and filling mining codes per tour operating personnel enter stope rock drilling into
Row falls mine, and Stope roof part stability is difficult to ensure that boulder yield is higher, needs to carry out second-time breakage, operating personnel's safety wind
Danger is larger, and working efficiency is low, and construction cost is high.
Summary of the invention:
The object of the invention is to remedy the disadvantages of known techniques, provides that a kind of underground mine successively squeezes, photoface exploision is adopted
Mine method squeezes smooth Surface Blasting Technology using layer-by-layer, first carries out tight-face blasting, then carry out Stope roof photoface exploision, using by
Layer extruding ore boulder yield is few, and blasting cost is low；Layer-by-layer photoface exploision reduces the disturbance to country rock, keeps the stabilization of country rock, adopt
Field top plate is more smooth, and operating personnel constructs safer in stope；Layer-by-layer upward tailing filling, filling cost is low, this
Kind method is mainly applicable in upward slicing and filling mining codes, and shallow hole shrinkage method can also be applied.
The present invention is achieved by the following technical solutions:
A kind of underground mine successively squeezes, photoface exploision mining methods, it is characterised in that: the following steps are included:
1) upper disk air return lane and lower wall transportation roadway along the pulse are arranged along orebody trend, transportation roadway is parallel with orebody trend along the pulse for lower wall
And mine chute is arranged in its other side, arteries and veins is worn equipped with vertical with orebody trend in ore body both ends；Length of stope is 40~100m, wide
Degree is 5~20m of orebody thickness, is highly 40~60m；The stope exploitation is using the side for successively squeezing photoface exploision from bottom to top
Formula, every layer of mining height are 3~8m；
2) the stope both ends are respectively disposed with way shaft, and way shaft is equipped with and every layer of one-to-one people in stope position
Row connecting taxiway；Stope intermediate arrangement has filling well；
3) extruding photoface exploision is carried out to Bottom of Stope first layer: Bottom of Stope first layer is divided into two parts, to therein
One part first carries out tight-face blasting, then carries out photoface exploision to the top plate of this part, after explosion with scraper to this part into
Row ore removal, to this part ore removal it is fast at the end of, then tight-face blasting first carried out to another part, then carry out to the top plate of the part
Photoface exploision carries out ore removal to the part with scraper after explosion；
4) after Bottom of Stope first layer ore removal, reinforcing bar of respectively constructing at lower wall length of stope trisection is corresponded at the ore removal position
The Stope chute of concrete, and drainage is equipped in cutting lane both ends construction reinforced bar concrete guard wall, Reinforced Concrete Retaining Walls
Pipe；The Stope chute bottom is equipped with vibration ore dumping machine, and Bottom of Stope is close to the position of the Stope chute construction lane Yun Kuang；To coagulation
After soil reaches intensity requirement, filling pipe is set up in filling well, and Bottom of Stope first layer is filled, when being fills up to away from adopting
The position of field bottom first layer top plate 1.8m stops filling；
5) after filling water exudation in bottom first layer, using sequence from bottom to top to stope layer-by-layer mining, every layer of stope is opened
The step of adopting are as follows: stope is divided into two parts and is successively exploited, tight-face blasting, then the top to this part are first carried out to any a part
Plate carries out photoface exploision, crawls into row ore removal using electricity after explosion；To this part ore removal it is fast at the end of, then it is advanced to another part
Row tight-face blasting, then photoface exploision is carried out to the top plate of the part, electricity consumption, which is climbed, after explosion takes off the mine of stope to Stope chute；It should
After this layer of ore drawing in stope in step, construction reinforced bar concrete drop shaft extends to the position height apart from this layer of top plate 1.8m, adopts
Field people from both ends row connecting taxiway construction reinforced bar concrete guard wall, barricade is interior to set up filter pipe, reaches design strength requirement to concrete
When, it is filled, the position height for being fills up to this layer of top plate 1.8m stops filling；Above-mentioned step is repeated after the exudation of stope filling water
Suddenly one layer of ore extraction is carried out, such layer-by-layer mining has been adopted until entire stope.
In step 5, using filling well as the scope of freedom, Bottom of Stope space is carried out as space is filled for the tight-face blasting
Explosion falls mine, is first filled drop shaft with ore before falling mine every time, and cover drop shaft oral area with ore；When ore removal, using having
The scraper winch of slusher takes off the ore of avalanche after every layer of tight-face blasting to Stope chute, using vibration ore dumping machine by Stope chute
Interior ore is put to carrier, and mine chute is transported to, and after crushing, is promoted to earth's surface.
A kind of underground mine successively squeezes, photoface exploision mining methods, it is characterised in that: the cutting lane is three
/ mono- basket handle arch, specifications section: 3.0m × 2.5m(wide × height)；One layer of people's row connecting taxiway of every 6m construction in way shaft, often
Layer people's row connecting taxiway specifications section: 1.8m × 1.8m(wide × height)；The lane Yun Kuang is one third basket handle arch, specifications section: 4.0m
× 3.5m(wide × height)；Fill well, specifications section: 1.8m × 1.8m；The internal diameter of the Stope chute is 2.5m, Stope chute
Concrete thickness be 0.5m；The concrete thickness of Reinforced Concrete Retaining Walls is 800mm, and reinforcement welding is on ore-rock anchor pole.
A kind of underground mine successively squeezes, photoface exploision mining methods, it is characterised in that: to every layer of tight-face blasting
When, using the vertical blasthole of the rock drill of YSP~45 construction, depth 4m, loaded length 3.2m, plug-hole length is 0.8m, every 6 row
Same millisecond blasting, carries out multiple rows of segmentation high bunch continuous method, and explosive specific charge per ton is 0.36kg；Every layer of top plate carries out photoface exploision
When, using 4m long drill steel, photoface exploision is carried out by row, eye distance 0.6m carries out photoface exploision with a thickness of 0.5m by row, until
Stope boundary carries out anchor pole or bolting with wire mesh when situation about being locally crushed occurs in top plate.
A kind of underground mine successively squeezes, photoface exploision mining methods, it is characterised in that: each tight-face blasting and
Stope ventilation is required after photoface exploision: it is fresh it is distinguished and admirable by transportation roadway along the pulse, wear pulse classic way shaft and enter Stope face, it is dirty
Wind enters upper middle section air return lane through stope filling well, way shaft, and earth's surface is discharged through returnairshaft.
A kind of underground mine successively squeezes, photoface exploision mining methods, it is characterised in that: Bottom of Stope first layer
The ore that explosion is got off is transported to mine chute using 2m3JCCY scraper ore removal；Remaining layering uses 2DPJ~30KW scraper
Winch matches 0.5m3Slusher ore removal, electricity, which is climbed, takes off layer broken ore to drop shaft, using vibration ore dumping machine by Stope chute ore put to
Carrier is transported to middle section mine chute, slips to next stage transportation roadway, by locomotive haulage mine car, send to Ore-pass failure, mentions
Rise to earth's surface.
A kind of underground mine successively squeezes, photoface exploision mining methods, it is characterised in that: by Bottom of Stope first
After layer ore removal, Reinforced Concrete Retaining Walls and Stope chute, concrete strength C2O, using Φ 18mm screw-thread steel, net are built
Degree is 300mm × 300mm, and Stope chute is with a thickness of 500mm, barricade thickness 800mm, sets filter pipe in barricade；It is reached to concrete
When to intensity, filling pipe being set from filling derrick and is filled, the concentration of filling slurry is controlled 68~75%, is filled using crude tailings
It fills out, is fills up to away from Bottom of Stope first layer top plate 1.8m, stops filling；After the exudation of stope filling water, carries out second and be layered back
It adopts, out after complete mine, then is filled, such layered circulation filling, until stope has adopted sand off.
Then Bottom of Stope construction cutting lane carries out brush and expands to stope boundary, way shaft arranges stope both ends, people's row connection
Network road and stope penetrate through.Using shallow bore hole rock drilling straight up, multiple rows of same section high bunch continuous method.Construction level bores on mine heap
Hole carries out photoface exploision to Stope roof.According to slanting angle of ore body size, vertical Stope chute can be used, can also use and incline
Oblique Stope chute.Vibration ore dumping machine is installed in Stope chute bottom, carries out ore drawing.Stope ore ore removal climbs scraping using electricity, will adopt
Ore is climbed to drop shaft in.
The present invention is had the positive effect that with above technical scheme:
1) the ore extraction rate of recovery of stope is high, and stope operating personnel operational security under the Stope roof of photoface exploision is high；
2) it is dug up mine using layer-by-layer tight-face blasting, explosive specific charge is low, and ore fragmentation is small, improves ore removal efficiency；
3) every layering climbs scraping using electricity, easy to operate, and tailings takes off, the reduction rate of dilution few into drop shaft；
4) vibration ore dumping machine is installed in Stope chute bottom, carries out automobile and transports mine, improves fortune mine efficiency.
5) present invention uses tailing filling, and filling cost is low.
Detailed description of the invention:
Fig. 1 is the structural plan figure of stope in the method for the present invention.
Fig. 2 is the drawing in side sectional elevation of stope in the method for the present invention.
Fig. 3 is the profilograph of stope in the method for the present invention.
Specific embodiment:
Referring to attached drawing.
Ore body is irregular, and ore and rock stability is preferable, using the mining methods of a kind of layer-by-layer tight-face blasting, photoface exploision.Tool
Body implementation steps are as follows:
Stope arrangement
Nugget is divided into mineral building and ore pillar along orebody trend direction, middle section drop shaft 7 be arranged in lower wall along the pulse 1 the other side, edge
Arteries and veins parallel ore bodies, stope both ends are to wear arteries and veins 2, wear arteries and veins and are arranged in ore pillar, and a way shaft 3 is respectively arranged at stope both ends, lean on mine
Body lower wall arranges Stope chute 5, and vibration ore dumping machine 11 is installed in drop shaft bottom, close to the Stope chute construction lane Yun Kuang 4.Among stope
Arrangement filling well 9.Length of stope 66m, width be orebody thickness 16.5m, stope height 60m, bottom intermediate arrangement cut lane, so
Brush is carried out as the scope of freedom to cut lane afterwards to expand to stope boundary, and stope is divided into two parts are successively squeezed, photoface exploision is adopted
Mine, the part first adopted carry out ore removal, and another part carries out rock drilling and falls mine, when stope this half ore has nearly gone out, carry out separately
Stope a part, which squeeze, falls mine, and then Stope roof carries out photoface exploision.Every layer of mine of complete stope out, construction Stope chute and
People's row connecting taxiway barricade, is then filled, and is charged to and is stopped filling away from stope 1.8m, after filling water exudation in stope, then into
Row stratified mining successively recycles in this way, charges until stope has entirely been adopted.
Adopt quasi- cutting
The construction cutting lane 11 among mineral building bottom, is one third basket handle arch, specifications section: 3.0m × 2.5m(wide × height);
A way shaft is respectively arranged in the ore pillar of stope both ends, specifications section: 2.0m × 2.0m, every 6m constructs one layer in way shaft
People's row connecting taxiway 8, specifications section: 1.8m × 1.8m(wide × height).In respectively being arranged at ore body lower wall length of stope trisection
Diameter 2.5m Stope chute, concrete thickness 0.5m, drop shaft bottom installation vibration ore dumping machine, the close Stope chute construction lane Yun Kuang,
The lane Yun Kuang is one third basket handle arch, specifications section: 4.0m × 3.5m(wide × height).Construction filling well, rule among stope
Lattice: 1.8m × 1.8m.
Actual mining
1, driling explosion
Using the type of YT~28 rock drill to gallery, the expansion of stope brush and top plate lateral aperture rock drilling, it is vertical to be constructed using the rock drilling of YSP~45
Blasthole, depth 4m, blasthole diameter 40mm, array pitch 0.8m, pitch-row 1.0m.Using 2# rock explosive, manual charging is segmented elementary errors
Tight-face blasting, nonel tube detonation.It is every to be divided into that tight-face blasting falls mine and photoface exploision falls mine, height control 4.2m~
4.4m.Construction cutting lane, then carries out brush expansion among mineral building bottom, brushes to ore limits, is highly 2.5m, is then gone out
Mine.It is used as the scope of freedom using filling well, space is filled in the space conduct after ore removal, and stope is divided into two parts and is successively squeezed
Pressure, photoface exploision mining, the part first adopted carry out ore removal, and another part carries out rock drilling and falls mine.In addition to first layer, other layerings
Before falling mine, drop shaft is filled with ore, ore covers drop shaft oral area, the damage with anti-fall mine to drop shaft.Every layer uses YSP~45
The vertical blasthole of rock drill construction, depth 4m, loaded length 3.2m, plug-hole length are 0.8m, and every 6 row Same millisecond blasting carries out
It is segmented high bunch continuous method, explosive specific charge per ton is 0.36kg；Top plate uses 4m long drill steel, carries out photoface exploision, eye distance by row
Photoface exploision is carried out by row with a thickness of 0.5m for 0.6m, until stope boundary.It is quick-fried in smooth surface always that electricity climbs scraping operating personnel
Operation under broken Stope roof, Stope roof stability is good, and operating personnel is safer.There is locally broken situation in top plate, into
Row anchor pole or bolting with wire mesh.After first layer has gone out mine, in stope mouth both ends construction reinforced bar concrete guard wall, thickness 800mm is leaned on
It respectively constructs at ore body lower wall length of stope trisection internal diameter 2.5m Stope chute, and vibration ore dumping machine is installed, reach to concrete
It after intensity requirement, is filled, is fills up to away from Stope roof 1.8m.Layered circulation mining packing job is carried out, until stope is adopted
Complete sand off.
2, stope ventilation
It is fresh it is distinguished and admirable by transportation roadway along the pulse, wear pulse classic way shaft and enter Stope face, waste air is through stope filling well, people's row day
Well enters upper middle section air return lane 2, and earth's surface is discharged through returnairshaft.
3, ore removal, transport:
The ore that bottom first layer explosion is got off is transported to mine chute using 2m3JCCY scraper ore removal.Remaining layering uses
2DPJ~30KW scraper winch matches 0.5m3Slusher ore removal, electricity, which is climbed, takes off layer broken ore to drop shaft, will be adopted using vibration ore dumping machine
Drop shaft ore is put to carrier, is transported to middle section mine chute, is slipped to next stage transportation roadway, by locomotive haulage mine car,
It send to Ore-pass failure, is promoted to earth's surface.
4, it fills
First layer is undercuted after ore drawing in stope, Reinforced Concrete Retaining Walls and drop shaft are built, concrete strength C2O is used
Φ 18mm screw-thread steel, net degree are 300mm × 300mm, and drop shaft exists with a thickness of 500mm, barricade thickness 800mm, barricade reinforcement welding
On ore-rock anchor pole, anchor pole is Φ 40mm round steel, length 1.5m, exposed 0.5m, sets filter pipe in barricade.Reach strong to concrete
When spending, filling pipe to Stope chute being set up from upper middle section and is filled, the concentration of filling slurry is controlled 68~75%, using complete
It is tailing-filled, it is fills up to away from Stope roof 1.8m, stops filling.After the exudation of stope filling water, the second slicing is carried out, out
It after complete mine, then is filled, such layered circulation filling, until stope has adopted sand off.
Claims (8)
1. a kind of underground mine successively squeezes, photoface exploision mining methods, it is characterised in that: the following steps are included:
Arrange upper disk air return lane and lower wall transportation roadway along the pulse along orebody trend, lower wall along the pulse transportation roadway it is parallel with orebody trend and
Mine chute is arranged in its other side, and arteries and veins is worn equipped with vertical with orebody trend in ore body both ends；Length of stope is 40~100m, width
It is highly 40~60m for 5~20m of orebody thickness；The stope exploitation is using the side for successively squeezing photoface exploision from bottom to top
Formula, every layer of mining height are 3~8m；
The stope both ends are respectively disposed with way shaft, and way shaft is equipped with and the one-to-one people's row in every layer of stope position
Connecting taxiway；Stope intermediate arrangement has filling well；
Extruding photoface exploision is carried out to Bottom of Stope first layer: Bottom of Stope first layer being divided into two parts, to therein one
A part first carries out tight-face blasting, then carries out photoface exploision to the top plate of this part, is carried out with scraper to this part after explosion
Ore removal, to this part ore removal it is fast at the end of, then tight-face blasting first carried out to another part, then light is carried out to the top plate of the part
Face explosion carries out ore removal to the part with scraper after explosion；
After Bottom of Stope first layer ore removal, it is mixed that reinforcing bar of respectively constructing at lower wall length of stope trisection is corresponded at the ore removal position
The Stope chute of soil is coagulated, and is equipped with filter pipe in cutting lane both ends construction reinforced bar concrete guard wall, Reinforced Concrete Retaining Walls；
The Stope chute bottom is equipped with vibration ore dumping machine, and Bottom of Stope is close to the position of the Stope chute construction lane Yun Kuang；To concrete
After reaching intensity requirement, filling pipe is set up in filling well, and Bottom of Stope first layer is filled, when being fills up to away from stope
The position of bottom first layer top plate 1.8m stops filling；
After filling water exudation in bottom first layer, using sequence from bottom to top to stope layer-by-layer mining, every layer of stope exploitation
The step of are as follows: stope is divided into two parts and is successively exploited, tight-face blasting, then the top plate to this part are first carried out to any a part
Photoface exploision is carried out, row ore removal is crawled into using electricity after explosion；To this part ore removal it is fast at the end of, then another part is first carried out
Tight-face blasting, then photoface exploision is carried out to the top plate of the part, electricity consumption, which is climbed, after explosion takes off the mine of stope to Stope chute；The step
After this layer of ore drawing in stope in rapid, construction reinforced bar concrete drop shaft extends to the position height apart from this layer of top plate 1.8m, stope
People from both ends row connecting taxiway construction reinforced bar concrete guard wall, barricade is interior to set up filter pipe, when concrete reaches design strength requirement,
It is filled, the position height for being fills up to this layer of top plate 1.8m stops filling；Above-mentioned steps are repeated after the exudation of stope filling water
One layer of ore extraction is carried out, such layer-by-layer mining has been adopted until entire stope.
2. a kind of underground mine according to claim 1 successively squeezes, photoface exploision mining methods, it is characterised in that: step
In rapid 5, using filling well as the scope of freedom, Bottom of Stope space falls mine as space progress explosion is filled for the tight-face blasting,
First drop shaft is filled with ore before falling mine every time, and covers drop shaft oral area with ore；When ore removal, using the scraper for having slusher
Winch takes off the ore of avalanche after every layer of tight-face blasting to Stope chute, using vibration ore dumping machine by ore in Stope chute put to
Carrier is transported to mine chute, after crushing, is promoted to earth's surface.
3. a kind of underground mine according to claim 1 successively squeezes, photoface exploision mining methods, it is characterised in that: institute
Stating Stope chute is vertical drop shaft or inclination drop shaft.
4. a kind of underground mine according to claim 1 successively squeezes, photoface exploision mining methods, it is characterised in that: institute
Stating cutting lane is one third basket handle arch, specifications section: 3.0m × 2.5m(wide × height)；One layer of people of every 6m construction in way shaft
Row connecting taxiway, every layer of people's row connecting taxiway specifications section: 1.8m × 1.8m(wide × height)；The lane Yun Kuang is one third basket handle arch, is broken
Face specification: 4.0m × 3.5m(wide × height)；Fill well, specifications section: 1.8m × 1.8m；The internal diameter of the Stope chute is
2.5m, the concrete thickness of Stope chute are 500mm；The concrete thickness of Reinforced Concrete Retaining Walls is 800mm.
5. a kind of underground mine according to claim 1 successively squeezes, photoface exploision mining methods, it is characterised in that: right
When every layer of tight-face blasting, using the vertical blasthole of the rock drill of YSP~45 construction, depth 4m, loaded length 3.2m, plug-hole length
For 0.8m, every 6 row Same millisecond blasting carries out multiple rows of segmentation high bunch continuous method, and explosive specific charge per ton is 0.36kg；Every layer of top plate into
When row photoface exploision, using 4m long drill steel, photoface exploision is carried out by row, eye distance 0.6m carries out smooth surface with a thickness of 0.5m by row
Explosion, until stope boundary carries out anchor pole or bolting with wire mesh when situation about being locally crushed occurs in top plate.
6. a kind of underground mine according to claim 1 successively squeezes, photoface exploision mining methods, it is characterised in that: every
Require stope ventilation after secondary tight-face blasting and photoface exploision: it is fresh it is distinguished and admirable by transportation roadway along the pulse, wear pulse classic way shaft enter
Stope face, waste air enter upper middle section air return lane through stope filling well, way shaft, earth's surface are discharged through returnairshaft.
7. a kind of underground mine according to claim 1 successively squeezes, photoface exploision mining methods, it is characterised in that: adopt
The ore that field bottom first layer explosion is got off is transported to mine chute using 2m3JCCY scraper ore removal；Remaining layering uses
2DPJ~30KW scraper winch matches 0.5m3Slusher ore removal, electricity, which is climbed, takes off layer broken ore to drop shaft, will be adopted using vibration ore dumping machine
Drop shaft ore is put to carrier, is transported to middle section mine chute, is slipped to next stage transportation roadway, by locomotive haulage mine car,
It send to Ore-pass failure, is promoted to earth's surface.
8. a kind of underground mine according to claim 1 successively squeezes, photoface exploision mining methods, it is characterised in that: will
After Bottom of Stope first layer ore removal, Reinforced Concrete Retaining Walls and Stope chute, concrete strength C2O, using Φ are built
18mm screw-thread steel, net degree are 300mm × 300mm, and Stope chute is with a thickness of 500mm, barricade thickness 800mm, sets drainage in barricade
Pipe；When concrete reaches intensity, set filling pipe from filling derrick and filled, the concentration control of filling slurry 68~75%,
Using tailing filling, it is fills up to away from stope first layer top plate 1.8m, stops filling；After the exudation of stope filling water, the is carried out
Two slicings out after complete mine, then are filled, such layered circulation filling, until stope has adopted sand off.
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