CN104790956B - It is remotely controlled roadway formula exploitation end and helps coal technique - Google Patents

It is remotely controlled roadway formula exploitation end and helps coal technique Download PDF

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Publication number
CN104790956B
CN104790956B CN201510109853.3A CN201510109853A CN104790956B CN 104790956 B CN104790956 B CN 104790956B CN 201510109853 A CN201510109853 A CN 201510109853A CN 104790956 B CN104790956 B CN 104790956B
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China
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coal
exploitation
end
mining
slope
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CN201510109853.3A
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Chinese (zh)
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CN104790956A (en
Inventor
余绍泽
梁正召
尹升华
闫作厚
王立新
卫星
杨志军
肖鑫
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余绍泽
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C41/00Methods of underground or surface mining; Layouts therefor
    • E21C41/26Methods of surface mining; Layouts therefor
    • E21C41/28Methods of surface mining; Layouts therefor for brown or hard coal
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C41/00Methods of underground or surface mining; Layouts therefor
    • E21C41/16Methods of underground mining; Layouts therefor
    • E21C41/18Methods of underground mining; Layouts therefor for brown or hard coal
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C41/00Methods of underground or surface mining; Layouts therefor
    • E21C41/32Reclamation of surface-mined areas
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00Methods or devices for placing filling-up materials in underground workings

Abstract

The exploitation of remote control roadway formula or mining exploitation end side coal technique are mainly used in the exploitation of resource under Slope of Open Pit Coal Mine.1, seam mining technique (1) is helped to set tunnel exploitation that is vertical or being diagonal to side slope end side coal by staying at the end of local preservation, stay the coal column for setting suitable width in centre, using the shielding supporting role of internal dumping side slope, production end helps coal before quickly being arranged in internal dumping.(2) winning apparatus is that remote control or line traffic control development machine and adhesive tape conveyor match and carry out unmanned exploitation.(3) in the case of necessary, is filled using the barren rock at the top of Waste Dump inside Open Pit Mine step.2, advantages of (1) using the development haulage system of opencut is exploited in the end larger to continuous preservation side or non working slope coal seam using fully mechanized mining, arranges that side fully-mechnized mining system in end carries out the exploitation of end side coal under side slope.

Description

It is remotely controlled roadway formula exploitation end and helps coal technique

Technical field

It is remotely controlled development machine lane formula, mining exploitation end side coal technique, is mainly used under Slope of Open Pit Coal Mine and covers The exploitation of resource is exactly while to exploit the resource under Slope of Open Pit Coal Mine during strip mining transformation, the part resource reserves It is huge, extraction before there is no effective ways to be arranged in internal dumping so far.

Background technology

In coal industry, resource recovery is generally relatively low, the mine of pit mining, and resource recovery only has 45%, small-sized Non-governmental well industrial and mineral only has 15-20% or so.Resource recovery rate in open pit boundary is 95% or so, but if outdoor border Including the Resources calculation covered under the residual mine and side slope out-of-bounds enclosed, most of resource recovery rate of open coal mine 75% with Under, nearly there is 25% or so resource that cannot recycle.Such as Fuxin mine has 4671.4 ten thousand t shale oil fields in exploration context, Resource/Reserves are 4664.87 ten thousand t in opencut earth's surface boundary vertical range, and stock number 1285.5 ten thousand t is covered under highwall, outdoor There is 27.6% shale oil field to be covered by side slope in limit of mining.

Especially in the low-angle dip or horizontal opencut for being suitable for interior row, row in hole is gradually carried out when exploitation reaches hole bottom Soil, end wall existence time is short, highly continuously decreases until disappearing, if producing the resource covered under side slope and week not in time The residual mine in side, it will cause permanent loss.

Invention content

One, seam mining technique is helped to the end of local preservation

1. matching the unmanned exploitation for carrying out end side coal using remote control or line traffic control development machine and adhesive tape conveyor.It is exploiting In the process, personnel's entrance is not needed, the system that operating personnel are combined by remote control and video system operates development machine pair Coal seam carries out cutting up and down, and the adhesive tape conveyor that the coal of cutting and crushing is hung after being then transported to again is transported in open-air pit, then is led to Outdoor truck is crossed to be transported to outside open-air pit.

2, using vertical or to arranging that coal is helped at tunnel exploitation end by the way of internal dumping oblique.According to the stability of side slope and Engineering geological condition is installed with conventional coal column between tunnel, then is stayed every 10-20 conventional coal column and set a ultra-wide coal column, with Prevent side slope collapse either interlock type reaction of collapsing.

3. excavating lane is filled using the barren rock at the top of Waste Dump inside Open Pit Mine, it is steady to open slope to reduce Qualitatively influence.Row's step barren rock has grain composition good in opencut, and lumpiness is small, the characteristics of being suitable for filling.Especially pair High seam, the slicing and filling by the way of successively filling from the bottom up can help coal by production end to the greatest extent.

Two, the end larger to continuous preservation side or non working slope coal seam are exploited using fully mechanized mining

1. using the development haulage system of opencut, just arrange that fully-mechnized mining system is helped at end under side slope in strip mining transformation Carry out the exploitation of end side coal.Carry out the laying of haulage gate, air return way and working face in due course in strip mining transformation.Coal is helped at end Production practice workline length finishes location in 1000m or so, in internal dumping burial, and the development haulage system of opencut can be with The exploitation of fully mechanized mining machine is called in when utilization in due course.

In exploitation spatial order, multiple seam is exploited, it then follows principle from top to bottom carries out.

Description of the drawings

Fig. 1 is the sectional view of Inner Mongol open coal mine, which shares 2 layers of minable coal seam, and 5 coals are top layer's coal, Average thickness is 3m;6 coals are most high seam, average thickness 22m.The mean depth of the opencut is 90m or so, on outdoor side Utilization is not yet exploited under slope and periphery, also a large amount of coal seam.

Fig. 2 is to exploit figure to the end slope laneway formula of 5 coals, is exploited using the laneway type perpendicular to side slope step, among tunnel There are coal columns, also need to set the ultra-wide coal column of a 10m-20m wide every 10-20 conventional coal column.In order to ensure the peace of side slope Quan Xing can also carry out waste fill to excavating lane.

Fig. 3 is to hold side exploitation tunnel to be tilted a certain angle mode to internal dumping direction to exploit, and can reduce opposite end in this way The disturbance for helping side slope, is exploited, the safety higher of side slope, end slope laneway is also safer under the shielding of internal dumping.

Fig. 4 is the mining type that coal seam is helped at thick end, interior row's small stair is formed by internal dumping, to facilitate on high seam It is divided into mining area and ore pillar two parts, in mining area's layer-by-layer mining from the bottom up, adopts one layer and fill one layer, on waste fill layer The exploitation of last layer is carried out, is gradually carried out upwards.

Fig. 5 is the mining mining type in continuous coal seam.With the propulsion of opencut, be carried out at the same time transporting coal crossheading and The digging of air return way, waits for face length to reach 1000m or so, and refuse dump helps burial length also to reach the left sides 1000m at end Fully mechanized mining machine can be called in when right to be exploited, the coal of extraction is directly transported to hole bottom with adhesive tape, then transports by haulage truck It is outer to go out hole.

Specific implementation mode

When opencast mining is to coal seam is most descended, i.e. most next level is arrived in exploitation, so that it may to carry out the exploitation of end side coal.

The production program in conjunction with opencut is first had to, the exploitation planning of end side coal is uniformly carried out, in conjunction with the work of opencut The stability state of journey geological conditions and side slope helps the exploitation of coal to carry out planning and designing multilayer end.To continuous coal seam, use is comprehensive It is most reasonable manner that the mode of adopting, which is exploited, has the characteristics that safety, productivity are high and recycling coal amount is big, it is suitable to consider return air Slot, the laying of haulage gate and determination of fully mechanized mining time etc..

To the coal seam of local preservation, to consider conventional coal column and permanent pillar size size and internal dumping and The position relationship of end side exploitation.It especially to consider that side exploitation in end cannot influence the stability of open-pit slope, cannot influence The normal production of opencut, under the conditions of necessary, it is also contemplated that being filled using internal dumping barren rock, to ensure side slope Stability.In order to reduce the influence that slope stability is helped in opposite end to the greatest extent, supported in conjunction with the shielding of internal dumping side slope Effect, end side exploitation tunnel are laid by the way of being tilted a certain angle to internal dumping, in this way can be maximum Reduce the possibility that side slope sinking destroys.

In the recovery process for carrying out end wall, the influence of side slope lowest part is the largest, it is easy to cause part It caves in and causes the accident, therefore to carry out disposal of dangerous rock to end wall, set up and the aggregate measures such as steel canopy is screened to carry out security protection.

In process of production, due to carrying out automated mining, personnel cannot enter tunnel, therefore it is required that equipment is into lane Before road, meticulous maintenance overhaul is carried out to equipment, it is ensured that equipment does not occur any failure in tunnel.Followed by prevent Local sillar fall pound adhesive tape either be remotely controlled development machine on when, to have powerful capstan winch outside to equipment carry out It pulls, the sillar of adhesive tape and development machine and upper part is withdrawn from cleans out rear re-enter tunnel and exploited.

Claims (1)

1. being remotely controlled roadway formula exploitation end helps coal technique, which is characterized in that include being assigned with continuous to the coal seam of local preservation The exploitation for depositing the larger end side of area or non working slope coal seam, specifically includes:
To the coal seam of local preservation:
(1), the unmanned exploitation for carrying out end side coal is matched using remote control or line traffic control development machine and adhesive tape conveyor;
(2), using vertical or to arranging that coal is helped at tunnel exploitation end by the way of internal dumping oblique;
(3), excavating lane is filled by the way of waste fill, for high seam, using successively filling from the bottom up Mode separate zone production, to control stability and the sedimentation of side slope, to greatest extent production end help coal, reduce staying for coal column and set thickness Degree;
The end side larger to continuous preservation area or non working slope coal seam:
(1), it is exploited using mining production practice opposite end side coal, using the development haulage system of opencut, is being revealed Just arrange that side fully-mechnized mining system in end carries out the exploitation of end side coal when its exploitation under side slope;
(2), in the opencast construction for being carried out at the same time haulage gate, air return way and working face;Reach in workline length 1000m when refuse dump helps burial length also to reach 1000m at end, then calls in fully mechanized mining machine and is exploited;
(3), in exploitation spatial order, to mutil-coal seam mining, it then follows principle from top to bottom carries out end side coal mining.
CN201510109853.3A 2015-03-13 2015-03-13 It is remotely controlled roadway formula exploitation end and helps coal technique CN104790956B (en)

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Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106089211A (en) * 2016-08-19 2016-11-09 郑晓辉 A kind of surface mine is unmanned excavates Load System
CN106321105B (en) * 2016-09-30 2018-11-30 中国矿业大学 A kind of open coal mine end side paste body filling method
CN106761759B (en) * 2016-12-28 2019-03-22 中国神华能源股份有限公司 A kind of coal-mining method of open coal mine
CN106869937B (en) * 2017-04-11 2019-01-25 中国神华能源股份有限公司 Help interior discharge method in opencut end
CN107313804B (en) * 2017-06-29 2019-05-17 中国矿业大学 A kind of open coal mine end side pressure coal filling fully mechanized mining recovery method
CN108425674B (en) * 2018-03-27 2019-11-19 中煤科工能源投资有限公司 A kind of coal-mining method of open coal mine end side coal
CN109026006A (en) * 2018-09-20 2018-12-18 内蒙古煤矿设计研究院有限责任公司 Exploitation open pit slope covers the new method of mineral products
CN109882179B (en) * 2019-03-29 2020-04-28 中国矿业大学 Open-air end slope coal-pressing filling mining design method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3301599A (en) * 1964-02-27 1967-01-31 Union Carbide Corp Method of continuous open-pit mining and apparatus therefor
US4589700A (en) * 1984-02-21 1986-05-20 Standard Oil Company (Indiana) Strip-auger method of mining thin seams of hydrocarbonaceous deposits
CN101899976B (en) * 2010-07-15 2011-12-28 煤炭科学研究总院太原研究院 Continuous coal mining process method of open-pit coal mine
CN102733809B (en) * 2012-06-04 2014-10-08 闫林 Coal mining method for recovering open-pit coal mine end slope coal
CN104074521B (en) * 2014-06-20 2016-05-04 中国矿业大学 A kind of end is helped coal seam Long-distance Control driving recovery method

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