CN104061016A - Thin-seam five-drill drilling-type coal mining machine filling equipment and method - Google Patents
Thin-seam five-drill drilling-type coal mining machine filling equipment and method Download PDFInfo
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- CN104061016A CN104061016A CN201410282589.9A CN201410282589A CN104061016A CN 104061016 A CN104061016 A CN 104061016A CN 201410282589 A CN201410282589 A CN 201410282589A CN 104061016 A CN104061016 A CN 104061016A
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Abstract
The invention discloses thin-seam five-drill drilling-type coal mining machine filling equipment and method. According to the underground practical working condition of a thin seam, a coal and gangue sorting system and a pneumatic pumping filling system are organically combined; coal and gangue are directly sorted underground by the coal and gangue sorting system; then the broken gangues are sent to a goaf by the pneumatic pumping filling system to be subjected to filling operation; an underground coal and gangue transportation problem is solved, underground space is saved, a great quantity of raw materials is provided for filling the underground goaf, and the problems of goaf collapse, equipment damage and the like caused by the increase of mining span and depth are avoided, and the requirements of environmentally-friendly coal mining and production can be met. The method has the advantages of artful conception, reasonable structure, simple equipment and small underground space occupation, gangue transportation space is increased by a pressurization assembly, and the method has wide practicality and strong innovation in the field.
Description
Technical field
The present invention relates to a kind of girdle five drill auger miner stowage unit and methods, be applicable to thin and delay filling ultra-thin coal seam.
Background technology
The method of collecting coal by the means of filling is a kind of goaf rock control method, is filled up goaf and is reduced and crush and be caving by the supporting role of filler by filler.Domestic at present aborning the filling method of application have the cash of throwing machine throw cash filling, drag conveyor unload cash filling, strength throw cash filling, like lotion gravity flow filling and gangue pump packing.But above stowage unit, due to problems such as volume are excessive, equipment is heavy, cannot be applied to thin and 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 methods, according to girdle down-hole actual condition, by bastard coal cracking and sorting system, coal and spoil are directly carried out to 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 not only can solve the transportation problem of underground coal and spoil, saves space, down-hole, and for underground goaf filling provides large content of starting materials, can also avoid the problem such as gob collapse and device damage causing because of the increase of exploitation span and the degree of depth.
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 units, comprise five drill auger miners, sorting unit, crushing engine, strength pumping equipment, spoil carrier pipe assembly and fill shower nozzle; Described filling shower nozzle is arranged on the drill bit side of five drill auger miner front ends, fills shower nozzle and pierce girdle with drill bit in the time mining beginning; The raw coal that five drill auger miners are exploited out sub-elects spoil through sorting unit, and the spoil producing 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 in the time mining end 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, and different conveying pipelines are connected by pressurizing pack between end, and the idle end of carrier pipe that is positioned at drill bit one end is connected with boosting jet assembly; Described carrier pipe comprises the conveying pipeline and the appendix that are arranged side by side, in appendix, pass into gases at high pressure, in conveying pipeline, send into the spoil after fragmentation, the flow field that appendix provides rotation to advance by pressurizing pack/boosting jet assembly to conveying pipeline, 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, wherein between carrier pipe, adopt pressurizing pack to be connected, and being fixed on air chimney one side of five drill auger miners by carrier pipe support, boosting jet assembly is fixed on ventilated box one 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, pressure inlet one end of boosting jet assembly by adpting flange be connected with one group of conveying pipeline, the other end is connected with filling shower nozzle, between conveying pipeline, be communicated with by pressure inlet; Stage casing week of pressure inlet side be evenly arranged pressure inlet through hole, pressure inlet through hole is communicated with conveying pipeline, pressure inlet through hole and pressure inlet axial with radially all there is inclination angle; The supercharging pipe box two ends of described pressurizing pack are communicated with one group of air inlet pipe welding respectively, and one end sealing of supercharging pipe box, the other end of boosting jet assembly are communicated with one group of air inlet pipe welding, between appendix, are communicated with by air inlet pipe and supercharging sleeve pipe; Put and offer supercharging pipe box through hole at pressure inlet, 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 five drill auger miner belows, and be connected with the first belt conveyor input side by chute, the 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 crushing engine discharging opening 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 methods, comprise the steps:
(1) filling shower nozzle is pierced to 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 producing in spoil sorting unit being sub-elected and tunnelling process is sent into and in crushing engine, is carried out fragmentation;
(4) in the time mining end, 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), use crushing engine that spoil is broken into the spoil fragment of granularity below 30mm.
Beneficial effect: girdle five drill auger miner stowage unit and methods provided by the invention, 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 to 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 for underground goaf filling provides large content of starting materials, the problem such as gob collapse and device damage of avoiding the increase because exploiting span and the degree of depth to cause, meets green coal mining, green requirement of producing; The method is skillfully constructed, rational in infrastructure, its equipment is simple, takies space, down-hole little, and pressurizing pack increased spoil fed distance, has practicality and stronger novelty widely in this area.
Brief description of the drawings
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, the first belt conveyor, 6, the second belt conveyor, 7, one-level sorting unit, 8, secondary sorting unit, 9, the 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 units, comprise five drill auger miners 1, hydraulic power unit 2, drag conveyor 3, certainly move bar platform 4, the first belt conveyor 5, the 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 to 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 five drill auger miner 1 belows, and be connected with the first belt conveyor 5 input sides by chute, the first belt conveyor 5 outlet side arranged beneath one-level sorting units 7, the separating sieve of one-level sorting unit 7 is connected with secondary sorting unit 8 charging apertures by chute, the separating sieve of secondary sorting unit 8 is connected with crushing engine 11 charging apertures by chute, crushing engine 11 charging apertures are connected with downhole gangue storehouse simultaneously, the discharging of crushing engine 11 discharging openings is delivered to spoil carrier pipe assembly 13 by strength pumping equipment 10, separating sieve arranged beneath the 3rd belt conveyor 9, the three belt conveyors 9 of one-level sorting unit 7 and secondary sorting unit 8 are 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 and pierce girdle with drill bit in the time mining beginning; The raw coal that five drill auger miners 1 are exploited out sub-elects spoil through sorting unit, and the spoil producing 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 in the time mining end 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 is arranged side by side with drilling rod, comprise carrier pipe 1-1, pressurizing pack 1-2 and boosting jet assembly 1-3, carrier pipe 1-1 is fixed on air chimney 1-19 mono-side of five drill auger miners 1 by carrier pipe support 1-6, boosting jet assembly 1-3 is fixed on ventilated box 1-18 mono-side of five drill auger miners 1 by head cartridge 1-7; Different conveying pipeline 1-1 are connected by pressurizing pack 1-2 between end, and the idle end of carrier pipe 1-1 that is 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 the appendix 1-5 that are arranged side by side, in appendix 1-5, pass into gases at high pressure, in conveying pipeline 1-4, send into the spoil after fragmentation, the flow field that appendix 1-5 provides rotation to advance by pressurizing pack 1-2/ boosting jet assembly 1-3 to conveying pipeline 1-4, 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 groups of air inlet pipe 1-10, and 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; 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 by adpting flange 1-12 be connected with one group of conveying pipeline 1-4, the other end is connected with filling shower nozzle 1-11, between conveying pipeline 1-4, be communicated with by pressure inlet 1-8; Stage casing week of pressure inlet 1-8 side be evenly arranged pressure inlet through hole, pressure inlet through hole is communicated with conveying pipeline 1-4, pressure inlet through hole and pressure inlet 1-8 axial with radially all there is inclination angle; The supercharging pipe box 1-9 two ends of described pressurizing pack 1-2 are communicated with one group of air inlet pipe 1-10 welding respectively, supercharging pipe box 1-9 one end sealing, the other end of boosting jet assembly 1-3 are communicated with one group of air inlet pipe 1-10 welding, between appendix 1-5, are communicated with by air inlet pipe 1-10 and supercharging sleeve pipe 1-9; On supercharging pipe box 1-9, offer supercharging pipe box through hole, 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.
A kind of girdle five drill auger miner placement methods based on the said equipment, comprise the steps:
(1) pierce girdle with together with carrier pipe 1-1 on ventilated box 1-18 with the drill bit of five drill auger miners (1) by being arranged on the filling shower nozzle 1-11 of No. 3 drill bit 1-15 both sides;
(2) raw coal of five drill auger miners (1) being exploited out, 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 producing in spoil one-level sorting unit 7 and secondary sorting unit 8 being sub-elected and tunnelling process is together sent in crushing engine 11 through chute and the second belt conveyor 6 respectively, is broken into granularity and is spoil fragment below 30mm and treat after mining operations for bashing;
(4) in the time mining end, 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 exit goaf in succession simultaneously.
Operating principle and the course of work: in the time that 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, in the time that 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, in appendix 1-5, send into the gases at high pressure of air pressure at 0.3MPa～0.5MPa, 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 that rotation is advanced in pressure inlet 1-8, attal is repeatedly being flowed along conveying pipeline 1-4 to boosting jet assembly 1-3 under the effect of flow field, and spray into goaf by filling shower nozzle 1-11, drilling rod and drill bit reversion simultaneously, to prevent that the material that is filled with goaf from transporting out again.
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 (7)
1. girdle five drill auger miner stowage units, 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) and pierce girdle with drill bit in the time mining beginning; The raw coal that five drill auger miners (1) are exploited out sub-elects spoil through sorting unit, the spoil producing 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 in the time mining end in spoil carrier pipe assembly (13) sprays into goaf through filling shower nozzle (1-11) pressurization.
2. girdle five drill auger miner stowage units according to claim 1, it is characterized in that: described spoil carrier pipe assembly (13) is arranged side by side with drilling rod, comprise carrier pipe (1-1), pressurizing pack (1-2) and boosting jet assembly (1-3), different conveying pipelines (1-1) are connected by pressurizing pack (1-2) between end, and the idle end of carrier pipe (1-1) that is 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 the appendix (1-5) that are arranged side by side, in appendix (1-5), pass into gases at high pressure, in conveying pipeline (1-4), send into the spoil after fragmentation, the flow field that appendix (1-5) provides rotation to advance by pressurizing pack (1-2)/boosting jet assembly (1-3) to conveying pipeline (1-4), boosting jet assembly (1-3) is connected with filling shower nozzle (1-11).
3. girdle five drill auger miner stowage units according to claim 2, 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, wherein between carrier pipe (1-1), adopt pressurizing pack (1-2) to be connected, and be fixed on air chimney (1-19) side of five drill auger miners (1) 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).
4. girdle five drill auger miner stowage units according to claim 2, 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) by adpting flange (1-12) be connected with one group of conveying pipeline (1-4), the other end is connected with filling shower nozzle (1-11), passes through pressure inlet (1-8) connection between conveying pipeline (1-4); Stage casing week of pressure inlet (1-8) side be evenly arranged pressure inlet through hole, pressure inlet through hole is communicated with conveying pipeline (1-4), pressure inlet through hole and pressure inlet (1-8) axial with radially all there is inclination angle;
Supercharging pipe box (1-9) two ends of described pressurizing pack (1-2) are communicated with one group of air inlet pipe (1-10) welding respectively, supercharging pipe box (1-9) one end sealing, the other end of boosting jet assembly (1-3) are communicated with one group of air inlet pipe (1-10) welding, between appendix (1-5), are communicated with by air inlet pipe (1-10) and supercharging sleeve pipe (1-9); On supercharging pipe box (1-9), offer supercharging pipe box through hole, 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.
5. girdle five drill auger miner stowage units 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, the 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 (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.
6. girdle five drill auger miner placement methods, is characterized in that: comprise the steps:
(1) filling shower nozzle (1-11) is pierced to 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 producing in spoil sorting unit being sub-elected and tunnelling process is sent in crushing engine (11) and is carried out fragmentation;
(4) in the time mining end, 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.
7. girdle five drill auger miner placement methods according to claim 6, is characterized in that: in described step (3), use crushing engine (11) that spoil is broken into the spoil fragment of granularity below 30mm.
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| CN201410282589.9A CN104061016B (en) | 2014-06-23 | 2014-06-23 | A kind of girdle five drill auger miner stowage unit and method |
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| CN201410282589.9A CN104061016B (en) | 2014-06-23 | 2014-06-23 | A kind of girdle five drill auger miner stowage unit and method |
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| 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 |
| CN106014406A (en) * | 2016-07-01 | 2016-10-12 | 黑龙江科技大学 | Coal mining machine with filling function and coal mining method |
| 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 |
| RU2720029C1 (en) * | 2018-09-30 | 2020-04-23 | Китайский Университет Горного Дела И Технологии | Coal mine development method, based on control of performance of second mining operations, separation of minerals from massif and laying of mined space |
| 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 |
| CN115045612A (en) * | 2022-08-16 | 2022-09-13 | 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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