CN101187308A - Thin coal bed highly effective fully mechanized mining process - Google Patents
Thin coal bed highly effective fully mechanized mining process Download PDFInfo
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- CN101187308A CN101187308A CNA2007100170712A CN200710017071A CN101187308A CN 101187308 A CN101187308 A CN 101187308A CN A2007100170712 A CNA2007100170712 A CN A2007100170712A CN 200710017071 A CN200710017071 A CN 200710017071A CN 101187308 A CN101187308 A CN 101187308A
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Abstract
A highly-effective fully-mechanized mining process of low coal seam is developed by combining the double-unit face mining technology on the basis of the comprehensive mechanized coal mining technology of low coal seam, which comprises following steps that two face material roadways and a face sharing conveyance road are arranged in parallel, the space between the adjacent roads is used as the working face, the face sharing conveyance road in the middle is chosen to be used as a sharing road, and a face coal-winning machine, a face scraper conveyer and a hydraulic support are evenly arranged on each working face, and the two working faces simultaneously proceed comprehensive mechanized coal mining in parallel. Compared with the comprehensive mechanized coal mining technology, the invention lacks a road, which reduces myriatonne drivage ratio of mines and saves costs, and the two working faces are simultaneously arranged to produce, which is beneficial for management, can effectively use labor resources and material resources, reduces storage rate of equipment part and lowers cost input, such as reducing a bridge transfer machine.
Description
Technical field
The present invention relates to a kind of process for stoping low coal seam, relate in particular to the coal winning technology of the comprehensive mechanization double face of a kind of girdle.
Background technology
In the present prior art, what exploitation was tilted and the gentle dip girdle mainly adopts is that big gun is adopted or high-grade conventional mining technology, also has the advanced at present comprehensive mechanical coal mining technology of girdle, characteristics (1) the single stope production of the comprehensive mechanical coal mining technology of girdle, arrange each one in transportation lane and material lane, totally two tunnels.(2) mechanical equipment coordination: one one of coal-winning machine, hydraulic support one cover, one one of work plane scratch board conveyor, one one of bridge conveyor.(3) coal-mining method is positive cutter or " ∞ " type coal-mining method.(4) activities: coal cutting → move frame → preceding slide.
Need improvement: ten thousand tons of drivage ratio height of girdle; Productivity effect, efficient are still on the low side.
Summary of the invention
The purpose of this invention is to provide a kind of thin coal bed highly effective fully mechanized mining process that on the comprehensive mechanical coal mining technology of girdle basis, forms in conjunction with the development of double face production practice.
For achieving the above object, the technical solution used in the present invention is:
A kind of thin coal bed highly effective fully mechanized mining process, its characteristics are: may further comprise the steps: at first be arranged in juxtaposition two work plane material lanes 1 and the shared transportation of a work plane lane 5, it between adjacent tunnel work plane, the shared transportation of work plane lane 5 in the middle of selecting is as shared tunnel, each work plane is equipped with working surface coal mining machine 4, work plane scratch board conveyor 2, hydraulic support 3, and so latter two work plane carries out comprehensive mechanical coal mining side by side simultaneously.
The present invention has following advantage than the comprehensive mechanical coal mining technology of girdle: three tunnels of (1) two work plane, lack a tunnel than fully mechanized coal winning technology, and reduced by ten thousand tons of drivage ratios of mine, provide cost savings.(2) two work planes are arranged production simultaneously, and the storage rate that be convenient to manage, can effectively utilize the human and material resources resource, reduces equipment part reduces the input of cost, as reduces by a bridge conveyor.(3) efficient of the single stope of fully mechanized coal winning technology production is ten thousand tons of raw coal of monthly output 3.5-4.0, and the efficient of two working surface production of thin coal bed highly effective fully mechanized mining process is to have improved production efficiency and benefit greatly by ten thousand tons of monthly output 6.5-8.6.
Description of drawings
Fig. 1 is a principle schematic of the present invention.
In the accompanying drawing:
1, work plane material lane; 2, work plane scratch board conveyor; 3, hydraulic support; 4, working surface coal mining machine; 5, the shared transportation of work plane lane; 6, transportation lane elevating conveyor; 7, the anti-skidding jack of work plane scratch board conveyor.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is further described:
A kind of thin coal bed highly effective fully mechanized mining process as shown in Figure 1, may further comprise the steps:
Two work plane material lanes 1 and the shared transportation of a work plane lane 5 at first have been arranged in juxtaposition, it between adjacent tunnel work plane, the shared transportation of work plane lane 5 in the middle of selecting is as shared tunnel, each work plane is equipped with working surface coal mining machine 4, work plane scratch board conveyor 2, hydraulic support 3, and so latter two work plane carries out comprehensive mechanical coal mining side by side simultaneously.
The present invention is applied in the coal-mining technique of double face in the work plane of thin seam mining in conjunction with the comprehensive mechanical coal mining technology.At first be arranged in juxtaposition three tunnels, arranging two work planes, is work plane between adjacent tunnel, and a tunnel is as shared tunnel in the middle of selecting, each work plane is equipped with coal-winning machine, work plane scratch board conveyor, hydraulic support, two adjacent comprehensive mechanical coal minings that carry out simultaneously side by side of work plane.
(1) characteristic point of the present invention is as follows:
1, safety: the operation under support steel body of comprehensive mechanical coal mining technology because the supporting area is big, the supporting intensity height, than big gun adopt, high-grade conventional mining better solved the roof safety problem.
2, two comprehensive mechanization work planes are produced simultaneously, have improved operating efficiency greatly, have increased output, on average produce 7.6 ten thousand tons in raw coal per month, have all improved benefit than other coal winning technologies of girdle, have reached the high efficiency that girdle is produced.
3, thin coal bed highly effective fully mechanized mining process is girdle comprehensive mechanization double face coal-mining technique and technology: the wrong stubble of (1) two work plane 5-12 rice, purpose effectively keeps entering the emergency exit of two work planes.(2) working face ended support and " Π " shaped steel booth combined supporting are used in the maintenance in shared tunnel, improve supporting roof intensity.Scurry effective control of downslide on (3) the two work plane scratch board conveyors, work plane is carried out " ∞ " type coal-mining method as far as possible.When particularly transporting the lane and be shared tunnel, one wants the relative fixed as far as possible that cooperates of face conveyor head and elevating conveyor, and two will guarantee that hydraulic support is vertical with face conveyor, and three will be provided with the anti-skidding jack of face conveyor.A tunnel has been reduced by in (4) two work planes three tunnels of constructing altogether, has reduced by ten thousand tons of drivage ratios of girdle, has reduced the cost input.(5) reduced equipment input, human and material resources, equipment, accessory have reached effectively, the efficient utilization.
4, since be the girdle coal thick＜1.3 meters, shared head-room must not be lower than 1.8 meters, is advisable with 2.0-2.3 rice, shared haulage drift is advisable with broken seat earth, making it elevating conveyor and face conveyor has a rational discharge height.
5, must suitably strengthen leading intensity and the length of safeguarding in shared tunnel.
(2) creation point of the present invention is as follows:
1, the application of comprehensive mechanical coal mining technology in double face improved production efficiency greatly.
When 2, shared tunnel is for the transportation lane, ten thousand tons of drivage ratios of mine have been reduced.
3, face conveyor with reasonable cooperation of transporting the lane elevating conveyor, is an innovative point promptly in the relative fixed method of face end.
3, carry out the wrong stubble of two work planes 5-12 rice, effectively keep entering the emergency exit of two work planes.
4, the maintenance in shared tunnel is guaranteed supporting intensity with working face ended support and " Π " shaped steel booth combined supporting, prevents roof fall and leaks spoil.
Thin coal bed highly effective fully mechanized mining process is a kind of girdle coal winning technology that comprehensive mechanical coal winning technology and double face coal winning technology are produced in conjunction with being applied to thin seam working surface production.Scurry the maintenance in downslide and shared tunnel in the face of need controlling well the slide.The relative fixed of work plane scratch board conveyor head or tail and be provided with that the anti-skidding jack of work plane scratch board conveyor just limited basically that face slips on scurry downslide.Carry out the wrong stubble of two work planes 5-12 rice machine top board and safeguard that purpose effectively keeps entering the emergency exit of two work planes.Other technique processes carry out just passable according to the comprehensive mechanical coal mining technical requirements.
Embodiment recited above is described preferred implementation of the present invention; be not that design of the present invention and scope are limited; under the prerequisite that does not break away from design concept of the present invention; common engineers and technicians make technical scheme of the present invention in this area various modification and improvement; all should fall into protection scope of the present invention; the technology contents that the present invention asks for protection all is documented in claims.
Claims (1)
1. thin coal bed highly effective fully mechanized mining process is characterized in that: may further comprise the steps:
Two work plane material lanes (1) and the shared transportation of a work plane lane (5) at first have been arranged in juxtaposition, it between adjacent tunnel work plane, the shared transportation of work plane lane (5) in the middle of selecting is as shared tunnel, each work plane is equipped with working surface coal mining machine (4), work plane scratch board conveyor (2), hydraulic support (3), and so latter two work plane carries out comprehensive mechanical coal mining side by side simultaneously.
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| CNA2007100170712A CN101187308A (en) | 2007-09-13 | 2007-09-13 | Thin coal bed highly effective fully mechanized mining process |
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| CNA2007100170712A CN101187308A (en) | 2007-09-13 | 2007-09-13 | Thin coal bed highly effective fully mechanized mining process |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824986A (en) * | 2010-04-20 | 2010-09-08 | 闫振东 | Coal mining process of drilling, loading, conveying and anchoring integral machine |
| CN102086765A (en) * | 2010-12-24 | 2011-06-08 | 大姚桂花铜选冶有限公司永仁直苴分公司 | High-sublevel multi-layer mining method of ultrathin copper ore body |
| CN102094647A (en) * | 2010-12-31 | 2011-06-15 | 大同煤矿集团有限责任公司 | Safe and efficient fully-mechanized mining method for thin coal seam under two hard conditions |
| CN102174891A (en) * | 2009-09-07 | 2011-09-07 | 中国神华能源股份有限公司 | Matching method for mechanized mining equipment |
| CN102434158A (en) * | 2011-11-21 | 2012-05-02 | 大同煤矿集团有限责任公司 | Two-stage double-wheel sequential top coal caving method |
| CN102536244A (en) * | 2012-03-01 | 2012-07-04 | 山西中新唐山沟煤业有限责任公司 | Method for mining coal on automation working face of low-seam shearer loader |
| CN103104260A (en) * | 2013-02-27 | 2013-05-15 | 湖南科技大学 | Comprehensive-conventional mechanical mining double-unit face coal mining method under complicated geological conditions |
| CN104234715A (en) * | 2014-07-16 | 2014-12-24 | 天地科技股份有限公司 | Large-mining-height dual-fully mechanized mining face stoping process |
| CN104612690A (en) * | 2015-02-02 | 2015-05-13 | 王业常 | Strip-shaped drilling type coal mining method for steep inclined thin coal seam |
| CN104653182A (en) * | 2014-11-07 | 2015-05-27 | 山东科技大学 | Coal mining method for coal and gangue separate recovery of coal seam with dirt band |
| CN105089667A (en) * | 2014-05-08 | 2015-11-25 | 陕西陕煤黄陵矿业有限公司 | Thin coal seam intelligent coal mining technology |
| CN109798116A (en) * | 2019-04-04 | 2019-05-24 | 中国矿业大学(北京) | Realize double-vane arrangement working face exploiting field or zone entirely without coal column method |
| CN110748343A (en) * | 2019-09-18 | 2020-02-04 | 天地科技股份有限公司 | Coal mining system and method for extremely-close coal seam |
| CN111379561A (en) * | 2020-04-07 | 2020-07-07 | 北京中矿创新联盟能源环境科学研究院 | Coal mining system and pillar-free self-entry mining method based on same |
| CN111456742A (en) * | 2020-04-20 | 2020-07-28 | 北京中矿创新联盟能源环境科学研究院 | High-grade common mining opposite-drawing working face roadway of thin coal seam and forming method thereof |
| CN111456775A (en) * | 2020-04-20 | 2020-07-28 | 北京中矿创新联盟能源环境科学研究院 | Support system of high-grade common mining opposite-pulling working face of thin coal seam and support moving method thereof |
| CN112901170A (en) * | 2021-01-28 | 2021-06-04 | 河南理工大学 | Coal-aluminum combined mining method for shared working face |
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2007
- 2007-09-13 CN CNA2007100170712A patent/CN101187308A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102174891B (en) * | 2009-09-07 | 2014-04-30 | 中国神华能源股份有限公司 | Matching method for mechanized mining equipment |
| CN102174891A (en) * | 2009-09-07 | 2011-09-07 | 中国神华能源股份有限公司 | Matching method for mechanized mining equipment |
| CN101824986B (en) * | 2010-04-20 | 2012-05-30 | 闫振东 | Coal mining process of drilling, loading, conveying and anchoring integral machine |
| CN101824986A (en) * | 2010-04-20 | 2010-09-08 | 闫振东 | Coal mining process of drilling, loading, conveying and anchoring integral machine |
| CN102086765A (en) * | 2010-12-24 | 2011-06-08 | 大姚桂花铜选冶有限公司永仁直苴分公司 | High-sublevel multi-layer mining method of ultrathin copper ore body |
| CN102086765B (en) * | 2010-12-24 | 2012-12-19 | 大姚桂花铜选冶有限公司永仁直苴分公司 | High-sublevel multi-layer mining method of ultrathin copper ore body |
| CN102094647A (en) * | 2010-12-31 | 2011-06-15 | 大同煤矿集团有限责任公司 | Safe and efficient fully-mechanized mining method for thin coal seam under two hard conditions |
| CN102094647B (en) * | 2010-12-31 | 2012-10-03 | 大同煤矿集团有限责任公司 | Safe and efficient fully-mechanized mining method for thin coal seam under two hard conditions |
| CN102434158A (en) * | 2011-11-21 | 2012-05-02 | 大同煤矿集团有限责任公司 | Two-stage double-wheel sequential top coal caving method |
| CN102536244A (en) * | 2012-03-01 | 2012-07-04 | 山西中新唐山沟煤业有限责任公司 | Method for mining coal on automation working face of low-seam shearer loader |
| CN103104260A (en) * | 2013-02-27 | 2013-05-15 | 湖南科技大学 | Comprehensive-conventional mechanical mining double-unit face coal mining method under complicated geological conditions |
| CN103104260B (en) * | 2013-02-27 | 2015-09-16 | 湖南科技大学 | Under complex geological condition, comprehensive-machine is to hand-pulled noodles coal-mining method |
| CN105089667A (en) * | 2014-05-08 | 2015-11-25 | 陕西陕煤黄陵矿业有限公司 | Thin coal seam intelligent coal mining technology |
| CN104234715A (en) * | 2014-07-16 | 2014-12-24 | 天地科技股份有限公司 | Large-mining-height dual-fully mechanized mining face stoping process |
| CN104653182A (en) * | 2014-11-07 | 2015-05-27 | 山东科技大学 | Coal mining method for coal and gangue separate recovery of coal seam with dirt band |
| CN104612690A (en) * | 2015-02-02 | 2015-05-13 | 王业常 | Strip-shaped drilling type coal mining method for steep inclined thin coal seam |
| CN109798116A (en) * | 2019-04-04 | 2019-05-24 | 中国矿业大学(北京) | Realize double-vane arrangement working face exploiting field or zone entirely without coal column method |
| CN109798116B (en) * | 2019-04-04 | 2022-04-01 | 中国矿业大学(北京) | Method for realizing complete coal pillar-free mining area or belt area of double-wing arrangement working face |
| CN110748343A (en) * | 2019-09-18 | 2020-02-04 | 天地科技股份有限公司 | Coal mining system and method for extremely-close coal seam |
| CN111379561A (en) * | 2020-04-07 | 2020-07-07 | 北京中矿创新联盟能源环境科学研究院 | Coal mining system and pillar-free self-entry mining method based on same |
| CN111379561B (en) * | 2020-04-07 | 2021-10-29 | 北京中矿创新联盟能源环境科学研究院 | Coal mining system and pillar-free self-entry mining method based on same |
| CN111456742A (en) * | 2020-04-20 | 2020-07-28 | 北京中矿创新联盟能源环境科学研究院 | High-grade common mining opposite-drawing working face roadway of thin coal seam and forming method thereof |
| CN111456775A (en) * | 2020-04-20 | 2020-07-28 | 北京中矿创新联盟能源环境科学研究院 | Support system of high-grade common mining opposite-pulling working face of thin coal seam and support moving method thereof |
| CN111456742B (en) * | 2020-04-20 | 2020-12-25 | 北京中矿创新联盟能源环境科学研究院 | High-grade common mining opposite-drawing working face roadway of thin coal seam and forming method thereof |
| CN111456775B (en) * | 2020-04-20 | 2021-07-20 | 北京中矿创新联盟能源环境科学研究院 | Frame moving method for high-grade common mining opposite-pulling working face support system of thin coal seam |
| CN112901170A (en) * | 2021-01-28 | 2021-06-04 | 河南理工大学 | Coal-aluminum combined mining method for shared working face |
| CN112901170B (en) * | 2021-01-28 | 2023-02-07 | 河南理工大学 | Coal-aluminum joint mining method for shared working face |
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Open date: 20080528 |