CN104061016B - A kind of girdle five drill auger miner stowage unit and method - Google Patents
A kind of girdle five drill auger miner stowage unit and method Download PDFInfo
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- CN104061016B CN104061016B CN201410282589.9A CN201410282589A CN104061016B CN 104061016 B CN104061016 B CN 104061016B CN 201410282589 A CN201410282589 A CN 201410282589A CN 104061016 B CN104061016 B CN 104061016B
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000003245 coal Substances 0.000 claims abstract description 24
- 238000013467 fragmentation Methods 0.000 claims abstract description 20
- 238000006062 fragmentation reaction Methods 0.000 claims abstract description 20
- 238000005086 pumping Methods 0.000 claims abstract description 16
- 238000005065 mining Methods 0.000 claims description 13
- 238000005553 drilling Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 239000012634 fragment Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 abstract description 5
- 208000033999 Device damage Diseases 0.000 abstract description 3
- 238000005336 cracking Methods 0.000 abstract description 3
- 239000007858 starting material Substances 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Abstract
The invention discloses a kind of girdle five drill auger miner stowage unit and method, according to girdle down-hole actual condition, bastard coal separation system and strength pumping filling system are organically combined, by bastard coal cracking and sorting system, coal and spoil are directly carried out sorting in down-hole, then by strength pumping filling system, the spoil after fragmentation is delivered to goaf and carries out packing job; Not only solve the transportation problem of underground coal and spoil, save space, down-hole, and provide large content of starting materials for underground goaf filling, avoid the increase because of exploitation span and the degree of depth and the problem such as the gob collapse that causes and device damage, meet greenly to mine, green requirement of producing; The method is skillfully constructed, rational in infrastructure, its equipment is simple, take space, down-hole little, and pressurizing pack adds spoil fed distance, has practicality and stronger novelty widely in this area.
Description
Technical field
The present invention relates to a kind of girdle five drill auger miner stowage unit and method, be applicable to delay filling that is thin and ultra-thin coal seam.
Background technology
The method of collecting coal by the means of filling is a kind of goaf rock control method, fills up goaf and lean on the supporting role of filler to reduce crush and be caving by filler.The domestic filling method applied aborning at present has the filling of throwing cash machine throwing cash, drag conveyor unloads cash filling, strength throws cash filling, Paste-like body flows automatically filling and gangue pump packing.But above stowage unit is due to problems such as volume are excessive, equipment is heavy, cannot be applied to thin with ultra-thin coal seam goaf.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of girdle five drill auger miner stowage unit and method, according to girdle down-hole actual condition, by bastard coal cracking and sorting system, coal and spoil are directly carried out sorting in down-hole, then by strength pumping filling system, the spoil after fragmentation is delivered to goaf and carries out packing job.This invention can not only solve the transportation problem of underground coal and spoil, saves space, down-hole, and provides large content of starting materials for underground goaf filling, can also avoid the increase because of exploitation span and the degree of depth and the problem such as the gob collapse that causes and device damage.
Technical scheme: for achieving the above object, the technical solution used in the present invention is:
A kind of girdle five drill auger miner stowage unit, comprises five drill auger miners, sorting unit, crushing engine, strength pumping equipment, spoil carrier pipe assembly and fills shower nozzle; Described filling shower nozzle is arranged on the drill bit side of five drill auger miner front ends, fills shower nozzle pierce girdle with drill bit when mining and starting; The raw coal that five drill auger miners are exploited out sub-elects spoil through sorting unit, and the spoil produced in the spoil that sorting unit sub-elects and tunnelling process is sent in crushing engine and carried out fragmentation, and the spoil after fragmentation is sent in spoil carrier pipe assembly; Spoil after fragmentation at the end of mining in spoil carrier pipe assembly sprays into goaf through filling shower nozzle pressurization.
Preferably, described spoil carrier pipe assembly and drilling rod are arranged side by side, and comprise carrier pipe, pressurizing pack and boosting jet assembly, are connected between different conveying pipeline end by pressurizing pack, and the idle end of carrier pipe being positioned at drill bit one end is connected with boosting jet assembly; Described carrier pipe comprises the conveying pipeline and appendix that are arranged side by side, gases at high pressure are passed in appendix, send into the spoil after fragmentation in conveying pipeline, appendix provides the flow field rotating and advance to conveying pipeline by pressurizing pack/boosting jet assembly, and boosting jet assembly is connected with filling shower nozzle.
Preferably, described spoil carrier pipe assembly has two groups, symmetry is arranged on the both sides of the middle drilling rod, pressurizing pack is wherein adopted to be connected between carrier pipe, and the air chimney side of five drill auger miners is fixed on by carrier pipe support, boosting jet assembly is fixed on the ventilated box side of five drill auger miners by head cartridge.
Preferably, described pressurizing pack comprises pressure inlet, supercharging pipe box and two groups of air inlet pipe, and described boosting jet assembly comprises pressure inlet, supercharging pipe box and one group of air inlet pipe; The pressure inlet two ends of described pressurizing pack are connected with two groups of conveying pipelines respectively by adpting flange, and pressure inlet one end of boosting jet assembly is connected with one group of conveying pipeline by adpting flange, the other end is connected with filling shower nozzle, is communicated with between conveying pipeline by pressure inlet; In the stage casing of pressure inlet, all sides have been evenly arranged pressure inlet through hole, and pressure inlet through hole is communicated with conveying pipeline, and axis and the radial direction of pressure inlet through hole and pressure inlet all exist inclination angle; The supercharging pipe box two ends of described pressurizing pack are welded with one group of air inlet pipe respectively and are communicated with, and supercharging pipe box one end of boosting jet assembly is closed, the other end welds with one group of air inlet pipe and is communicated with, and is communicated with between appendix by air inlet pipe with supercharging sleeve pipe; Pressure inlet cover offers supercharging pipe box through hole, and supercharging pipe box through hole is communicated with appendix; Interference fit between described pressure inlet and supercharging pipe box, and pressure inlet through hole is connected with supercharging pipe box through hole.
As prior art, also comprise hydraulic power unit, drag conveyor, certainly move bar platform, the first belt conveyor, the second belt conveyor, the 3rd belt conveyor, strength pumping equipment and mine car, described sorting unit comprises one-level sorting unit and secondary sorting unit, described hydraulic power unit, from moving bar platform and five drill auger miners support the use, drag conveyor is arranged on below five drill auger miners, and be connected with the first belt conveyor input side by chute, first belt conveyor outlet side arranged beneath one-level sorting unit, the separating sieve of one-level sorting unit is connected with secondary sorting unit charging aperture by chute, the separating sieve of secondary sorting unit is connected with crusher feed-inlet by chute, crusher feed-inlet is connected with downhole gangue storehouse simultaneously, the discharging of discharge hole of crusher is delivered to spoil carrier pipe assembly by strength pumping equipment, separating sieve arranged beneath the 3rd belt conveyor of one-level sorting unit and secondary sorting unit, the 3rd belt conveyor is connected with mine car by guide groove.
A kind of girdle five drill auger miner placement method, comprises the steps:
(1) filling shower nozzle is pierced girdle with the drill bit of five drill auger miners;
The raw coal that (2) five drill auger miners are exploited out sub-elects spoil through sorting unit;
(3) spoil produced in the spoil sub-elected by sorting unit and tunnelling process is sent in crushing engine and is carried out fragmentation;
(4) at the end of coal mining, by spoil carrier pipe assembly, the spoil after fragmentation is sprayed into goaf through filling shower nozzle pressurization, goaf is exited in drill bit upset simultaneously.
Preferably, in described step (3), crushing engine is used spoil to be broken into the spoil fragment of granularity at below 30mm.
Beneficial effect: girdle five drill auger miner stowage unit provided by the invention and method, according to girdle down-hole actual condition, bastard coal separation system and strength pumping filling system are organically combined, by bastard coal cracking and sorting system, coal and spoil are directly carried out sorting in down-hole, then by strength pumping filling system, the spoil after fragmentation is delivered to goaf and carries out packing job; Not only solve the transportation problem of underground coal and spoil, save space, down-hole, and provide large content of starting materials for underground goaf filling, avoid the increase because of exploitation span and the degree of depth and the problem such as the gob collapse that causes and device damage, meet greenly to mine, green requirement of producing; The method is skillfully constructed, rational in infrastructure, its equipment is simple, take space, down-hole little, and pressurizing pack adds spoil fed distance, has practicality and stronger novelty widely in this area.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation at five drill auger miner places of the present invention;
Fig. 3 is filling shower nozzle of the present invention and drill bit arrangement diagram;
Fig. 4 is spoil carrier pipe arrangement of components diagram of the present invention;
Fig. 5 is boosting jet arrangement of components figure of the present invention;
Fig. 6 is pressurizing pack structural representation of the present invention;
Fig. 7 is boosting jet modular construction schematic diagram of the present invention.
In figure: 1, five drill auger miners, 2, hydraulic power unit, 3, drag conveyor, 4, from moving brill platform, 5, first belt conveyor, 6, second belt conveyor, 7, one-level sorting unit, 8, secondary sorting unit, 9, 3rd belt conveyor, 10, strength pumping equipment, 11, crushing engine, 12, mine car, 13, spoil carrier pipe assembly, 1-1, carrier pipe, 1-2 pressurizing pack, 1-3, boosting jet assembly, 1-4, conveying pipeline, 1-5, appendix, 1-6, carrier pipe support, 1-7, head cartridge, 1-8, pressure inlet, 1-9, supercharging pipe box, 1-10, rubber hose coupling, 1-11, filling shower nozzle, 1-12, adpting flange, 1-13, No. 1 drill bit, 1-14, No. 2 drill bits, 1-15, No. 3 drill bits, 1-16, No. 4 drill bits, 1-17, No. 5 drill bits, 1-18, ventilated box, 1-19, air chimney, 1-20, drilling rod
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described.
Be illustrated in figure 1 a kind of girdle five drill auger miner stowage unit, comprise five drill auger miners 1, hydraulic power unit 2, drag conveyor 3, certainly move bar platform 4, first belt conveyor 5, second belt conveyor 6, one-level sorting unit 7, secondary sorting unit 8, the 3rd belt conveyor 9, strength pumping equipment 10, crushing engine 11, mine car 12, spoil carrier pipe assembly 13 and fill shower nozzle 1-11, one-level sorting unit 7 and secondary sorting unit 8 are referred to as sorting unit, described hydraulic power unit 2, from moving bar platform 4 and five drill auger miners 1 support the use, drag conveyor 3 is arranged on below five drill auger miners 1, and be connected with the first belt conveyor 5 input side by chute, first belt conveyor 5 outlet side arranged beneath one-level sorting unit 7, the separating sieve of one-level sorting unit 7 is connected with secondary sorting unit 8 charging aperture by chute, the separating sieve of secondary sorting unit 8 is connected with crushing engine 11 charging aperture by chute, crushing engine 11 charging aperture is connected with downhole gangue storehouse simultaneously, the discharging of crushing engine 11 discharging opening is delivered to spoil carrier pipe assembly 13 by strength pumping equipment 10, separating sieve arranged beneath the 3rd belt conveyor the 9, three belt conveyor 9 of one-level sorting unit 7 and secondary sorting unit 8 is connected with mine car 12 by guide groove.
Described filling shower nozzle 1-11 is arranged on the drill bit side of five drill auger miner 1 front ends, fills shower nozzle 1-11 pierce girdle with drill bit when mining and starting; The raw coal that five drill auger miners 1 are exploited out sub-elects spoil through sorting unit, and the spoil produced in the spoil that sorting unit sub-elects and tunnelling process is sent in crushing engine 11 and carried out fragmentation, and the spoil after fragmentation is sent in spoil carrier pipe assembly 13; Spoil after fragmentation at the end of mining in spoil carrier pipe assembly 13 sprays into goaf through filling shower nozzle 1-11 pressurization.
Described spoil carrier pipe assembly 13 has two groups, and symmetry is arranged on the both sides of the middle drilling rod; Spoil carrier pipe assembly 13 and drilling rod are arranged side by side, comprise carrier pipe 1-1, pressurizing pack 1-2 and boosting jet assembly 1-3, carrier pipe 1-1 is fixed on the air chimney 1-19 side of five drill auger miners 1 by carrier pipe support 1-6, and boosting jet assembly 1-3 is fixed on the ventilated box 1-18 side of five drill auger miners 1 by head cartridge 1-7; Be connected by pressurizing pack 1-2 between different conveying pipeline 1-1 end, the idle end of carrier pipe 1-1 being positioned at drill bit one end is connected with boosting jet assembly 1-3; Described carrier pipe 1-1 comprises the conveying pipeline 1-4 and appendix 1-5 that are arranged side by side, gases at high pressure are passed in appendix 1-5, the spoil after fragmentation is sent in conveying pipeline 1-4, appendix 1-5 provides the flow field rotating and advance to conveying pipeline 1-4 by pressurizing pack 1-2/ boosting jet assembly 1-3, boosting jet assembly 1-3 is connected with filling shower nozzle 1-11.
Described pressurizing pack 1-2 comprises pressure inlet 1-8, supercharging pipe box 1-9 and two group air inlet pipe 1-10, and described boosting jet assembly 1-3 comprises pressure inlet 1-8, supercharging pipe box 1-9 and group air inlet pipe 1-10; The pressure inlet 1-8 two ends of described pressurizing pack 1-2 are connected with two groups of conveying pipeline 1-4 respectively by adpting flange 1-12, pressure inlet 1-8 one end of boosting jet assembly 1-3 is connected with one group of conveying pipeline 1-4 by adpting flange 1-12, the other end is connected with filling shower nozzle 1-11, is communicated with between conveying pipeline 1-4 by pressure inlet 1-8; In the stage casing of pressure inlet 1-8, all sides have been evenly arranged pressure inlet through hole, and pressure inlet through hole is communicated with conveying pipeline 1-4, and axis and the radial direction of pressure inlet through hole and pressure inlet 1-8 all exist inclination angle; The supercharging pipe box 1-9 two ends of described pressurizing pack 1-2 are welded with one group of air inlet pipe 1-10 respectively and are communicated with, supercharging pipe box 1-9 one end of boosting jet assembly 1-3 is closed, the other end welds with one group of air inlet pipe 1-10 and is communicated with, and is communicated with between appendix 1-5 by air inlet pipe 1-10 with supercharging sleeve pipe 1-9; Supercharging pipe box 1-9 offers supercharging pipe box through hole, and supercharging pipe box through hole is communicated with appendix 1-5; Interference fit between described pressure inlet 1-8 and supercharging pipe box 1-9, and pressure inlet through hole is connected with supercharging pipe box through hole.
Based on a kind of girdle five drill auger miner placement method of the said equipment, comprise the steps:
(1) the filling shower nozzle 1-11 being arranged on No. 3 drill bit 1-15 both sides is pierced girdle with the drill bit of five drill auger miners (1) together with the carrier pipe 1-1 on ventilated box 1-18;
(2) raw coal exploited out by five drill auger miners (1), through delivering to one-level sorting unit 7 and secondary sorting unit 8 through drag conveyor 3 and the first belt conveyor 5, sub-elects coal cinder and delivers to Bunker through the 3rd belt conveyor 9 and mine car 12;
(3) spoil produced in spoil one-level sorting unit 7 and secondary sorting unit 8 sub-elected and tunnelling process is together sent in crushing engine 11 respectively through chute and the second belt conveyor 6, and being broken into granularity is that the spoil fragment of below 30mm is treated after mining operations for bashing;
(4) at the end of coal mining, spoil fragment after fragmentation is delivered to filling shower nozzle 1-11 place by strength pumping equipment 10 through conveying pipeline 1-4, and spraying into goaf by the boosting jet assembly 1-3 pressurization at filling shower nozzle 1-11 rear, drilling rod 1-20 and air chimney 1-19 exits goaf in succession simultaneously.
Operating principle and the course of work: when mining operations carries out, two groups of spoil carrier pipe assemblies 13 together enter mining area with five drill auger miner 1 operating mechanisms, now do not carry out packing job, when mining operations completes, the operating mechanism of five drill auger miners 1 starts to move back bar operation, adopt strength pumping equipment 10 to pump into spoil in conveying pipeline 1-4 simultaneously, the attals such as flyash, the gases at high pressure of air pressure at 0.3MPa ~ 0.5MPa are sent in appendix 1-5, because pressure inlet through-bore axis and pressure inlet 1-8 axis place vertical plane and horizontal plane have certain angle, air-flow produces the flow field rotating and advance in pressure inlet 1-8, attal is flowed along conveying pipeline 1-4 to boosting jet assembly 1-3 under the effect of repeatedly flow field, and spray into goaf by filling shower nozzle 1-11, drilling rod and drill bit reversion simultaneously, again transport out to prevent the material being filled with goaf.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. a girdle five drill auger miner stowage unit, is characterized in that: comprise five drill auger miners (1), sorting unit, crushing engine (11), strength pumping equipment (10), spoil carrier pipe assembly (13) and fill shower nozzle (1-11); Described filling shower nozzle (1-11) is arranged on the drill bit side of five drill auger miners (1) front end, fills shower nozzle (1-11) pierce girdle with drill bit when mining and starting; The raw coal that five drill auger miners (1) are exploited out sub-elects spoil through sorting unit, the spoil produced in the spoil that sorting unit sub-elects and tunnelling process is sent in crushing engine (11) and is carried out fragmentation, and the spoil after fragmentation is sent in spoil carrier pipe assembly (13); Spoil after fragmentation at the end of mining in spoil carrier pipe assembly (13) sprays into goaf through filling shower nozzle (1-11) pressurization;
Described spoil carrier pipe assembly (13) and drilling rod are arranged side by side, comprise carrier pipe (1-1), pressurizing pack (1-2) and boosting jet assembly (1-3), be connected by pressurizing pack (1-2) between different conveying pipeline (1-1) end, carrier pipe (1-1) the idle end being positioned at drill bit one end is connected with boosting jet assembly (1-3); Described carrier pipe (1-1) comprises the conveying pipeline (1-4) and appendix (1-5) that are arranged side by side, gases at high pressure are passed in appendix (1-5), the spoil after fragmentation is sent in conveying pipeline (1-4), appendix (1-5) provides the flow field rotating and advance to conveying pipeline (1-4) by pressurizing pack (1-2)/boosting jet assembly (1-3), boosting jet assembly (1-3) is connected with filling shower nozzle (1-11).
2. girdle five drill auger miner stowage unit according to claim 1, it is characterized in that: described spoil carrier pipe assembly (13) has two groups, symmetry is arranged on the both sides of the middle drilling rod, pressurizing pack (1-2) is wherein adopted to be connected between carrier pipe (1-1), and air chimney (1-19) side of five drill auger miners (1) is fixed on by carrier pipe support (1-6), boosting jet assembly (1-3) is fixed on ventilated box (1-18) side of five drill auger miners (1) by head cartridge (1-7).
3. girdle five drill auger miner stowage unit according to claim 1, it is characterized in that: described pressurizing pack (1-2) comprises pressure inlet (1-8), supercharging pipe box (1-9) and two groups of air inlet pipe (1-10), described boosting jet assembly (1-3) comprises pressure inlet (1-8), supercharging pipe box (1-9) and one group of air inlet pipe (1-10);
Pressure inlet (1-8) two ends of described pressurizing pack (1-2) are connected with two groups of conveying pipelines (1-4) respectively by adpting flange (1-12), pressure inlet (1-8) one end of boosting jet assembly (1-3) is connected with one group of conveying pipeline (1-4) by adpting flange (1-12), the other end is connected with filling shower nozzle (1-11), is communicated with between conveying pipeline (1-4) by pressure inlet (1-8); In the stage casing of pressure inlet (1-8), all sides have been evenly arranged pressure inlet through hole, and pressure inlet through hole is communicated with conveying pipeline (1-4), and axis and the radial direction of pressure inlet through hole and pressure inlet (1-8) all exist inclination angle;
Supercharging pipe box (1-9) two ends of described pressurizing pack (1-2) are welded with one group of air inlet pipe (1-10) respectively and are communicated with, supercharging pipe box (1-9) one end of boosting jet assembly (1-3) is closed, the other end welds with one group of air inlet pipe (1-10) and is communicated with, and is communicated with between appendix (1-5) by air inlet pipe (1-10) with supercharging sleeve pipe (1-9); Supercharging pipe box (1-9) offers supercharging pipe box through hole, and supercharging pipe box through hole is communicated with appendix (1-5);
Interference fit between described pressure inlet (1-8) and supercharging pipe box (1-9), and pressure inlet through hole is connected with supercharging pipe box through hole.
4. girdle five drill auger miner stowage unit according to claim 1, it is characterized in that: also comprise hydraulic power unit (2), drag conveyor (3), certainly move bar platform (4), the first belt conveyor (5), the second belt conveyor (6), the 3rd belt conveyor (9), strength pumping equipment (10) and mine car (12), described sorting unit comprises one-level sorting unit (7) and secondary sorting unit (8), described hydraulic power unit (2), from moving bar platform (4) and five drill auger miners (1) support the use, drag conveyor (3) is arranged on five drill auger miners (1) below, and be connected with the first belt conveyor (5) input side by chute, first belt conveyor (5) outlet side arranged beneath one-level sorting unit (7), the separating sieve of one-level sorting unit (7) is connected with secondary sorting unit (8) charging aperture by chute, the separating sieve of secondary sorting unit (8) is connected with crushing engine (11) charging aperture by chute, crushing engine (11) charging aperture is connected with downhole gangue storehouse simultaneously, the discharging of crushing engine (11) discharging opening is delivered to spoil carrier pipe assembly (13) by strength pumping equipment (10), the separating sieve arranged beneath the 3rd belt conveyor (9) of one-level sorting unit (7) and secondary sorting unit (8), the 3rd belt conveyor (9) is connected with mine car (12) by guide groove.
5. a girdle five drill auger miner placement method, is characterized in that: comprise the steps:
(1) filling shower nozzle (1-11) is pierced girdle with the drill bit of five drill auger miners (1);
The raw coal that (2) five drill auger miners (1) are exploited out sub-elects spoil through sorting unit;
(3) spoil produced in the spoil sub-elected by sorting unit and tunnelling process is sent in crushing engine (11) and is carried out fragmentation;
(4) at the end of coal mining, by spoil carrier pipe assembly (13), the spoil after fragmentation is sprayed into goaf through filling shower nozzle (1-11) pressurization, goaf is exited in drill bit upset simultaneously.
6. girdle five drill auger miner placement method according to claim 5, is characterized in that: in described step (3), uses crushing engine (11) spoil to be broken into the spoil fragment of granularity at below 30mm.
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| CN104653182B (en) * | 2014-11-07 | 2018-08-10 | 山东科技大学 | A kind of coal-mining method that the bastard coal of coal seam containing thick dirt band point is adopted |
| CN104373126A (en) * | 2014-12-04 | 2015-02-25 | 中国矿业大学 | Method and equipment for filling gangue by aid of drilling and production process |
| CN105983478A (en) * | 2015-02-03 | 2016-10-05 | 山东泰山能源有限责任公司翟镇煤矿 | Underground coal and gangue separation system and coal and gangue separation method |
| CN104747070B (en) * | 2015-02-10 | 2017-01-04 | 中国矿业大学 | A kind of many drill bits switchgear bored on formula coal-winning machine and method |
| CN104763465B (en) * | 2015-02-27 | 2017-05-24 | 中国矿业大学 | Thin and extra-thin coal bed wet spraying filling process and device |
| CN106014406B (en) * | 2016-07-01 | 2017-05-10 | 黑龙江科技大学 | Coal mining machine with filling function and coal mining method |
| CN109209380B (en) * | 2018-09-30 | 2020-10-30 | 中国矿业大学 | Design method for mining, selecting, filling and controlling |
| CN115075873A (en) * | 2022-06-27 | 2022-09-20 | 太原理工大学 | Coal mine lower wall type system wind filling mining and equipment method thereof |
| CN115045612B (en) * | 2022-08-16 | 2022-11-08 | 山东黄金集团国际矿业开发有限公司 | Geological mineral exploration is with back position breaker |
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| CN101858212A (en) * | 2010-03-23 | 2010-10-13 | 中国矿业大学 | Four-drill auger miner |
| CN102168555B (en) * | 2011-04-21 | 2014-06-25 | 江苏中机矿山设备有限公司 | Ultralow surface full-hydraulic drill type coal mining machine |
| CN102493838B (en) * | 2011-12-17 | 2014-01-15 | 湖南科技大学 | Method for fully mechanized continuously-filling coal mining of steeply pitching coal seam |
| CN102635354B (en) * | 2012-05-07 | 2014-01-15 | 中国矿业大学 | Five-drill air inlet and outlet type coal mining machine |
| CN103089258A (en) * | 2013-01-24 | 2013-05-08 | 中国矿业大学 | Full hydraulic drilling type coal mining machine for thin coal seam with large mining width |
| CN103114853A (en) * | 2013-02-08 | 2013-05-22 | 山东新煤机械装备股份有限公司 | Method for backfilling separately-recovered and sub-transported gangues of underground dirt band coal layer and complete equipment |
| CN103133034A (en) * | 2013-02-28 | 2013-06-05 | 中国矿业大学 | Method and equipment for backfilling underground goaf with waste rock on well |
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