CN102269013A - Method for mechanically filling gangue on single support working surface under complex coal seam condition - Google Patents
Method for mechanically filling gangue on single support working surface under complex coal seam condition Download PDFInfo
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- CN102269013A CN102269013A CN2011101870107A CN201110187010A CN102269013A CN 102269013 A CN102269013 A CN 102269013A CN 2011101870107 A CN2011101870107 A CN 2011101870107A CN 201110187010 A CN201110187010 A CN 201110187010A CN 102269013 A CN102269013 A CN 102269013A
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- filling
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- gangue
- drag conveyor
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Abstract
The invention discloses a method for mechanically filling gangue on a single support working surface under a complex coal seam condition. The method comprises the working processes of arrangement of a shaft and a tunnel, conveying of gangue, gangue filling of a stope face and compaction of the gangue and specifically comprises the steps as follows: coal is mined from the stope face through a main shaft of a coal mine and conveyed away through a coal-conveying scraper conveyor; the crushed gangue on the ground is conveyed into a gangue cabin through a return air roadway by an auxiliary shaft; the gangue in the gangue cabin is sequentially transferred onto a gangue-conveying scraper conveyor in a return air entry and a filling scraper conveyor on the stope face through a hopper in gangue conveying coal haulage rise; the filling scraper conveyor is installed on a filling platform which is lifted through a single hydraulic support; the gangue is scraped to fall into a worked out section through an inclined gangue scraper; and the gangue stacked in the worked out section is compacted by a pulling and sliding device. According to the method disclosed by the invention, the disadvantage that the prior art cannot be used in the southern coal mines with coal seams of large inclined angles is overcome, thus, the method is applicable to the coal mines with complex coal seam, in particular to the southern coal mines with the coal seams of larger inclined angles.
Description
Technical field
The present invention relates to the individual prop work plane spoil mechanization placement method under a kind of complicated seam condition.
Background technology
Present colliery placement method mainly contains tunnel filling, absciss layer district grouting filling, conventional face and throws cash filling, the efficient mechanization filling of fully-mechanized mining working, paste-like backfill and emit several forms such as the grouting filling of settling in an area.The production capacity of above-mentioned filling mining work plane can only reach 60% of stope production capacity under the equal conditions.And for southern complicated seam condition, the work plane seam inclination changes greatly, and Coal Seam Thickness Change is also big, and work plane adopts hydraulic prop supporting roof usually, and what relatively be fit in the above-mentioned placement method has only paste-like backfill; But, paste body filling cost height, for bigger coal seam, inclination angle, work plane middle and lower part filling template need be born bigger hydrostatic pressure, influences the application of paste body filling.
Aspect patent application, patent " a kind of coal mining solid filling method ", it utilizes solid material that ground piles up directly to render to rubber conveyer in the underworkings from ground by the vertical feeding well, be transported to the coal-face termination by the down-hole rubber conveyer again, utilize self-moving type filling material elevating conveyor, the solid filling material reprinted ram the solid filling exploitation that tail boom hangs down behind the formula filling hydraulic support certainly and carry, in the process of coal work, implement limit coal mining limit filling, realize the bottom discharge filling, and it is close to realize that by the reinforcement mechanism that rams formula filling hydraulic support certainly the solid filling material connects roof pressure.Patent " method of filling goaf by gangue " is hung the belt lace machine moving certainly on the filling support back bar, at the non-belt lace machine of on the base plate that moves under the filling support back bar, arranging, automatic moving type is set on the belt lace machine unloads the cash dolly, the belt lace machine is unloaded to the goaf by the spoil that back production face upper end is transported to goaf side.Patent " method of filling coal-steam-free extraction working surface goaf by coal mine waste rock " is to adopt the top board control top mode of " seeing that seven fill four " at conventional face, and spoil is thrown and transported to the goaf by fortune cash drag conveyor, high speed waste coal outlet belt.
The placement method of above-mentioned three patents for the big conventional face of complex structure, seam inclination and varied in thickness have that spoil transportation difficulty, spoil loading and unloading loading point are many, the work plane stowage unit is to shortcomings such as seam inclination and coal seam thickness bad adaptability, at present, above-mentioned placement method just in the north big-and-middle-sized mine be used widely, can not use in southern colliery.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides the individual prop work plane spoil mechanization placement method under a kind of complicated seam condition that is mainly used in southern colliery.
The technical scheme that the present invention solves the problems of the technologies described above is: the individual prop work plane spoil mechanization placement method under a kind of complicated seam condition, and it comprises:
1), stowboard is arranged: in parking lot, top, exploiting field independently exploiting field waste bin is set, spoil is transported to the tunnel of exploiting field waste bin process and pit shaft by ground and comprises the existing upright or auxiliary shaft that tilts, the big lane of return air that is communicated with auxiliary shaft, the fortune cash is gone up a hill in driving coal seam, filling mining coal seam, and coal seam fortune cash is gone up a hill and the tailgate of stope is communicated with.
2), spoil transportation: with the thin spoil of fragmentation with mine car from ground by auxiliary shaft through return air main road haulage buffer memory to the other waste bin of ginney inlet, vertically be provided with track and fortune cash drag conveyor in the tailgate, laying the rectangle bridge plate above the frid in the middle of the fortune cash drag conveyor, bridge plate is as the walkway, hopper in spoil in the waste bin is gone up a hill by fortune cash coal seam is transported on the fortune cash drag conveyor in the tailgate, fortune cash drag conveyor is transported to the junction of stope and tailgate with spoil, and spoil is transported on the filling drag conveyor of installing in the stope.
3), stope filling waste rock: behind the coal mining of stope, need be the stope filling waste rock, stope is installed the filling drag conveyor by the parallel rib direction of goaf side, the filling drag conveyor is installed on the liftable filling platform on the work plane base plate, places the oblique cash device of scraping on the filling drag conveyor; Before the filling, adjust the height of filling platform by the lifting hydraulic prop, and lean on the filling platform more than the stope side rising 0.2m; During filling, in stope filling successively from lower to upper, earlier the oblique cash device of scraping is fixed on the filling drag conveyor in the middle of the 3rd frid of slide head by steady pin, when spoil was transported to the 3rd frid, the oblique cash device of scraping was piled up the goaf side that spoil scrapes the filling platform; After the goaf side of the 3rd and following frid piles with spoil, the break-off of filling drag conveyor, and oblique scraping be fixed on the frid of filling drag conveyor by steady pin after moving 5 frids on the cash device once more, when spoil is transported to this piece frid, scrape the one side accumulation of filling platform goaf by the oblique cash device of scraping; And the like, slip goaf one side of following first medial launder of tail until the filling drag conveyor and pile with spoil, at last with stope down outlet 3～5m fill up spoil.
4), spoil compacting: the slide device that draws by the filling drag conveyor is oppositely passed the filling platform, pushes the goaf spoil, increases the compactness of filling waste rock, reduces space between obturation and roof, reaches the purpose that reduces surface settlement.
The beneficial effect that the present invention is produced compared to existing technology: the present invention is based on the individual prop work plane spoil mechanization placement method of the complicated mining conditions design in southern colliery, spoil grain behind the casting resin employing fine crushing is convenient to the drag conveyor transportation and is improved pack densification.The present invention is the confined space that makes full use of tailgate, lays People's Bank of China's bridge plate as the sidewalk above fortune cash drag conveyor.The present invention places common drag conveyor top to realize the filling of spoil side direction oblique scraper plate device, utilize liftable filling platform minimizing coal seam thickness and seam inclination to the adaptive influence of this placement method, associating filling platform and push shifter realize that the waste filling side is to compacted, reduce space between obturation and roof, reach the purpose that reduces surface settlement.The present invention has overcome the defective that prior art can not be used in the big colliery of southern seam inclination.
The present invention is applicable to the application of complicated seam colliery, and use in the colliery that particularly southern seam inclination is bigger.
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Description of drawings
Fig. 1 is pit shaft of the present invention and roadway arrangement figure.
Fig. 2 is an attachment rail and the I-I sectional view of transporting the cash drag conveyor in the tailgate.
Fig. 3 is the floor map of goaf waste filling.
Fig. 4 scrapes the cash device and fills the drag conveyor connection layout for oblique.
Fig. 5 is hydraulic prop, filling platform and fills the drag conveyor connection layout.
Among the figure: 1, main shaft, 2, auxiliary shaft, 3, the big lane of return air, 4, windstone gate, 5, the parking lot, top, 6, waste bin, 7, transportation is gone up a hill, and 8, ginney, 9, coal seam fortune cash is gone up a hill, 10, tailgate, 11, stope, 12, haulage way, 13, main haulage roadway, 14, track, 15, fortune cash drag conveyor, 16, bridge plate, 17, the filling drag conveyor, 18, fortune coal drag conveyor, 19, the π type is to beam, and 20, the coal mining activity sky, 21, pedestrian's sky, 22, the packing job sky, 23, filling discharging sky, 24, draw the slide device, 25, the filling platform, 26, oblique cash device, 27 of scraping, hydraulic prop, 28, steady pin.
The specific embodiment
Individual prop work plane spoil mechanization placement method under a kind of complicated seam condition, referring to Fig. 1 to Fig. 5, its stowing operation comprises:
1), stowboard is arranged: in parking lot, top, exploiting field 5 independently exploiting field waste bin 6 is set, spoil is transported to the tunnel of exploiting field waste bin 6 processes and pit shaft by ground and comprises the existing upright or auxiliary shaft 2 that tilts, the big lane 3 of return air that is communicated with auxiliary shaft 2, the fortune cash goes up a hill 9 in the coal seam of filling mining coal seam driving, coal seam fortune cash go up a hill 9 and the tailgate 10 of stope 11 be communicated with; The pit shaft of filling coal mining and tunnel distribute and comprise main shaft 1 and auxiliary shaft 2 upright or that tilt, the horizontal main haulage roadway 13 that is communicated with main shaft 1, the transportation that is communicated with main haulage roadway 13 goes up a hill 7 and ginney 8, transportation goes up a hill 7 through haulage way 12 connection stopes 11, stope 11 connects ginney 8 through tailgate 10, ginney 8 is communicated with by parking lot, top 5 with tailgate 10, and fortune cash in coal seam is gone up a hill and 9 directly is communicated with tailgate 10; Transportation goes up a hill 7, ginney 8 and coal seam fortune cash are gone up a hill 9 is communicated with the big lane 3 of return air by parking lot, top 5, windstone gate 4, and the big lane 3 of return air connects auxiliary shafts 2; The inlet on mountain 8 side is provided with waste bin 6 in orbit.
2), the spoil transportation: spoil is after ground is by crusher in crushing, the thin spoil of fragmentation is transferred to return air big lane 3 by auxiliary shaft 2 by hoisting gear from the spoil heap on ground with mine car, pass through manpower or battery locomotive in the big lane 3 of return air, be transported to buffer memory in the other waste bin 6 of ginney 8 inlets through windstone gate 4 and parking lot, top, vertically be provided with track 14 and fortune cash drag conveyor 15 in the tailgate 10, laying rectangle bridge plate 16 above the frid in the middle of the fortune cash drag conveyor 15, in order to make full use of the space of tailgate 10, bridge plate 16 is as the walkway, spoil in the waste bin 6 is transported on the fortune cash drag conveyor 15 in the tailgate 10 by go up a hill hoppers in 9 of fortune cash coal seam, fortune cash drag conveyor 15 is transported to the junction of stope 11 and tailgate 10 with spoil, and spoil is transported on the filling drag conveyors of installing by the goaf in the stope 11 17;
3), stope 11 is filled spoil: behind the coal mining of stope 11, need be the filing gangue in mined-out area of stope 11, stope 11 is installed filling drag conveyor 17 by the parallel rib direction of goaf side, filling drag conveyor 17 is adopted in stope 11 fillings, filling drag conveyor 17 is installed on the liftable filling platform 25 on the work plane base plate, the height of filling platform 25 is determined according to coal seam thickness, is deducted 0.3m with coal seam thickness and be as the criterion; The filling drag conveyor adopts SGB420/30A type drag conveyor, and frid and filling platform 25 want fixed firm, and the tail that slips places air way, and the head that slips places outlet 3～5m under the work plane, and specifically distance is determined according to seam inclination; Place the oblique cash device 26 of scraping on the filling drag conveyor 17, the spoil that filling drag conveyor 17 transports is along scraping the landing of cash device, to goaf filling.
Before the waste filling,, make filling platform 25 along work plane tendency gradient unanimity, and lean on filling platform 25 more than the stope 11 side rising 0.2m by the height of lifting hydraulic prop 27 adjustment filling platforms 25; Make have an appointment 14 °～16 ° the elevation angle of drag conveyor across pitch, be convenient to spoil and scrape the 26 free landings of cash device oblique; During filling, in stope 11 filling successively from lower to upper, earlier the oblique cash device 26 of scraping is fixed on filling drag conveyor 17 in the middle of the 3rd frid of slide head by steady pin 28, when spoil was transported to the 3rd frid, the oblique cash device 26 of scraping was piled up the goaf side that spoil scrapes filling platform 25; After the goaf side of the 3rd and following frid piles with spoil, 17 break-ofves of filling drag conveyor, and oblique scraping be fixed on the frid of filling drag conveyor 17 by steady pin 28 after moving 5 frids on the cash device 26 once more, when spoil is transported to this piece frid, scrape the one side accumulation of filling platform 25 goafs by the oblique cash device 26 of scraping; And the like, goaf one side of slipping following first medial launder of tail until filling drag conveyor 17 piles with spoil, at last 11 times outlets of stope, 3～5m is filled up spoil.
4), spoil compacting: the slide device 24 that draws by filling drag conveyor 17 is oppositely passed filling platforms 25, the spoil of piling up in the sidewall extruding goaf of filling platform 25, to increase the compactness of filling waste rock, reduce the space between obturation and roof, reach the purpose that reduces surface settlement.
Claims (1)
1. the individual prop work plane spoil mechanization placement method under the complicated seam condition is characterized in that:
1), stowboard is arranged: independently exploiting field waste bin (6) is set in parking lot, top, exploiting field (5), spoil is transported to the tunnel of exploiting field waste bin (6) process and pit shaft by ground and comprises the existing upright or auxiliary shaft (2) that tilts, the big lane of return air (3) that is communicated with auxiliary shaft (2), the fortune cash is gone up a hill (9) in the coal seam of filling mining coal seam driving, and coal seam fortune cash is gone up a hill (9) and the tailgate (10) of stope (11) is communicated with;
2), spoil transportation: with the thin spoil of fragmentation with mine car from ground by auxiliary shaft (2) buffer memory in the big lane of return air (3) is transported to the other waste bin (6) of ginney (8) inlet, vertically be provided with track (14) and fortune cash drag conveyor (15) in the tailgate (10), rectangle bridge plate (16) is laid in the frid top in the middle of fortune cash drag conveyor (15), bridge plate (16) is as the walkway, spoil in the waste bin (6) is transported on the fortune cash drag conveyor (15) in the tailgate (10) by go up a hill hopper in (9) of fortune cash coal seam, fortune cash drag conveyor (15) is transported to the junction of stope (11) and tailgate (10) with spoil, and spoil is transported on the filling drag conveyor of installing in the stope (11) (17);
3), stope (11) filling waste rock: behind the coal mining of stope (11), need be stope (11) filling waste rock, stope (11) is installed filling drag conveyor (17) by the parallel rib direction of goaf side, filling drag conveyor (17) is installed on the liftable filling platform (25) on the work plane base plate, and filling drag conveyor (17) is gone up and placed the oblique cash device (26) of scraping; Before the filling, adjust the height of filling platform (25) by lifting hydraulic prop (27), and lean on filling platform (25) more than stope (11) the side rising 0.2m; During filling, in stope (11) filling successively from lower to upper, to obliquely scrape earlier cash device (26) is fixed in the middle of the 3rd frid that filling drag conveyor (17) slips certainly by steady pin (28), when spoil was transported to the 3rd frid, the oblique cash device (26) of scraping was piled up the goaf side that spoil scrapes filling platform (25); After the goaf side of the 3rd and following frid piles with spoil, filling drag conveyor (17) break-off, and oblique scraping be fixed on the frid of filling drag conveyor (17) by steady pin (28) after moving 5 frids on the cash device (26) once more, when spoil is transported to this piece frid, scrape the one side accumulation of filling platform (25) goaf by the oblique cash device (26) of scraping; And the like, slip goaf one side of following first medial launder of tail until filling drag conveyor (17) and pile with spoil, at last with stope (11) down outlet 3～5m fill up spoil;
4), spoil compacting: the slide device (24) that draws by filling drag conveyor (17) is oppositely passed filling platform (25), extruding goaf spoil, increase the compactness of filling waste rock, reduce the space between obturation and roof, reach the purpose that reduces surface settlement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110187010 CN102269013B (en) | 2011-07-06 | 2011-07-06 | Method for mechanically filling gangue on single support working surface under complex coal seam condition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110187010 CN102269013B (en) | 2011-07-06 | 2011-07-06 | Method for mechanically filling gangue on single support working surface under complex coal seam condition |
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| Publication Number | Publication Date |
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| CN102269013A true CN102269013A (en) | 2011-12-07 |
| CN102269013B CN102269013B (en) | 2013-07-10 |
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| CN 201110187010 Expired - Fee Related CN102269013B (en) | 2011-07-06 | 2011-07-06 | Method for mechanically filling gangue on single support working surface under complex coal seam condition |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103899351A (en) * | 2014-03-28 | 2014-07-02 | 中冶沈勘工程技术有限公司 | Filling and reinforcing method for processing complicated goafs |
| CN104234714A (en) * | 2014-09-18 | 2014-12-24 | 安徽理工大学 | Novel, efficient and environment-friendly underground transportation method for coal mines |
| CN106150494A (en) * | 2016-07-01 | 2016-11-23 | 黑龙江科技大学 | A kind of coal-winning machine being suitable to thin coal seam unmanned work surface and coal-mining method |
| CN106321102A (en) * | 2016-09-08 | 2017-01-11 | 中国矿业大学 | Coalmine consolidated solid strip filling coal mining method |
| CN109751078A (en) * | 2019-03-04 | 2019-05-14 | 中煤能源研究院有限责任公司 | A kind of coal working face end trigonum device for filling and method |
| CN109882238A (en) * | 2019-02-01 | 2019-06-14 | 中国矿业大学 | A kind of coal mine gob polymer and spoil mixed filling system and method |
| CN114320456A (en) * | 2020-09-27 | 2022-04-12 | 山东科技大学 | Unmanned gangue throwing, filling, grouting and reinforcing method for branch roadway mining |
| CN115822697A (en) * | 2022-11-25 | 2023-03-21 | 华能煤炭技术研究有限公司 | Arrangement method for full-section in-situ paste tube injection type filling system behind fully mechanized caving frame |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899351A (en) * | 2014-03-28 | 2014-07-02 | 中冶沈勘工程技术有限公司 | Filling and reinforcing method for processing complicated goafs |
| CN104234714A (en) * | 2014-09-18 | 2014-12-24 | 安徽理工大学 | Novel, efficient and environment-friendly underground transportation method for coal mines |
| CN104234714B (en) * | 2014-09-18 | 2016-06-01 | 安徽理工大学 | A kind of underground coal mine green high-efficient transporting method |
| CN106150494A (en) * | 2016-07-01 | 2016-11-23 | 黑龙江科技大学 | A kind of coal-winning machine being suitable to thin coal seam unmanned work surface and coal-mining method |
| CN106321102A (en) * | 2016-09-08 | 2017-01-11 | 中国矿业大学 | Coalmine consolidated solid strip filling coal mining method |
| CN109882238A (en) * | 2019-02-01 | 2019-06-14 | 中国矿业大学 | A kind of coal mine gob polymer and spoil mixed filling system and method |
| CN109882238B (en) * | 2019-02-01 | 2020-03-13 | 中国矿业大学 | Polymer and gangue mixed filling system and method for coal mine goaf |
| CN109751078A (en) * | 2019-03-04 | 2019-05-14 | 中煤能源研究院有限责任公司 | A kind of coal working face end trigonum device for filling and method |
| CN114320456A (en) * | 2020-09-27 | 2022-04-12 | 山东科技大学 | Unmanned gangue throwing, filling, grouting and reinforcing method for branch roadway mining |
| CN114320456B (en) * | 2020-09-27 | 2023-12-08 | 山东科技大学 | Unmanned gangue throwing, filling and grouting reinforcement method for roadway mining |
| CN115822697A (en) * | 2022-11-25 | 2023-03-21 | 华能煤炭技术研究有限公司 | Arrangement method for full-section in-situ paste tube injection type filling system behind fully mechanized caving frame |
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