CN104074521A - End slope coal bed remote control excavating mining method - Google Patents

End slope coal bed remote control excavating mining method Download PDF

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Publication number
CN104074521A
CN104074521A CN201410279847.8A CN201410279847A CN104074521A CN 104074521 A CN104074521 A CN 104074521A CN 201410279847 A CN201410279847 A CN 201410279847A CN 104074521 A CN104074521 A CN 104074521A
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coal
development machine
mining
cutting
machine
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CN104074521B (en
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王方田
郝建平
张正林
张村
刘建国
刘安秀
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China University of Mining and Technology CUMT
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China University of Mining and Technology CUMT
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Abstract

The invention provides an end slope coal bed remote control excavating mining method, which belongs to an end slope residue coal resource extraction method and is used for open pit coal mine end slope and hillside outcrop and shallow surface coal bed mining. A coal mining system adopts a remote control excavating machine system, which comprises an excavating machine and a remote operating and control room, wherein operating and control equipment consists of three parts including a mining flameproof excavating machine electric control box, an excavating machine electric control box and an operating table; the operation function of long-distance wired control is realized; the man-machine separation is realized; and during the coal mining, people operate in a safe operation room. The main mining flow process comprises the steps of cleaning preparation, initial stage mining roadway pit selection, excavating and coal cutting by the excavating machine, coal loading by the excavating machine, belt extending, outward coal conveying by a belt, pile pouring by a loading machine, laneway exiting after coal excavating to a preset position, equipment withdrawing, overhauling, and preparation again for next roadway pit extraction. The end slope coal bed remote control excavating mining method has the characteristics that the coal resource extraction rate improved; the production process is simple, safe and efficient; and the production cost is low, and the like. The safe and efficient mining of open pit coal mine end slope remained coal resources is favorably realized.

Description

A kind of end is helped coal seam Long-distance Control driving exploitation method
Technical field
The present invention relates to a kind of end side Remanent coal resources stoping method, especially a kind of open coal mine end that is applicable to helps residual coal, hillside to appear and the method for shallow earth's surface seam mining.
Background technology
In coal production, due to outdoor, there is the specific scope of application separately with pit mining, the coal resources that cause a lot of strip mining transformations to carry over cannot high efficiente callback.As the coal production bases such as China's Ordos, inner Mongolia, god mansion, northern Shensi exist, a large amount of open coal mine ends are helped, appear in hillside and shallow earth's surface coal, past is due to the restriction of production technique and economic benefit, many abandoneds of these resources or develop with the post and stall of the low rate of extraction, not only cause the wasting of resources, and cause spontaneous combustion of coal seam, surface vegetation to destroy and the abandoned coal pillar unstability large area hidden danger such as subside.In addition, under many circumstances, because stoping operation space, tunnel is little and non-support, there is the shortcomings such as labour intensity is large, exploitation continuity is low, potential safety hazard is many.Therefore the unmanned automated mining method that, how to realize Long-distance Control is the important goal of the safe and efficient back production of end side Remanent coal resources.
Summary of the invention
Technical problem: the object of the invention is for the problem existing in prior art, provide that a kind of method is simple, safe and efficient, cost of production is low, the end of high stoping rate side coal seam Long-distance Control driving exploitation method.
Technical scheme: end of the present invention is helped coal seam Long-distance Control driving exploitation method, comprise and adopt development machine, controlling equipment, tele-control system, described controlling equipment is comprised of flame-proof mine development machine electric control box, development machine electric control box, operating desk three parts; Comprise the steps:
A, in end side bottom, press coal outside to arrange development machine and corollary system, 1 video camera is respectively set above cutting part of heading machine oil cylinder, to monitor the place ahead coal cutting situation; 1 video camera is set above the electric control box of development machine rear, to monitor drag conveyor operating condition;
B, by camera acquisition signal, through transmission equipment, development machine work picture is transferred in OPS, show in real time the duty of each system of development machine, meet the control of development machine, protection, demonstration, illumination and semiotic function demand; After tele-control system debugging preparation completes, control development machine is to pressing the coal cutting of coal driving, and the width of driving lane cave is 4~5m, and coal seam is automatically shoveled and delivered on belt conveyer by development machine after cutting, and by belt conveyer, transports driving lane cave to loader;
C, along with the continuous propelling of development machine, in belt conveyer outside, add long belt, utilize loader to retrodict and deliver to driving lane cave; When development machine driving is when stopping adopting line, development machine stops coal cutting, by Long-distance Control loader, belt-conveying machine equipment is withdrawn to driving lane cave, repair apparatus;
D, stay the coal column of establishing 1~1.5m, continue the coal mining of next driving lane cave, until the pressure coal completing in exploiting field reclaims.
Described to pressing coal driving coal cutting process as follows:
In OPS, first the cutterhead of development machine is adjusted to the cave lower right corner, lane incision coal body, coal cutting from below to up from right to left,, when cutting roof, controlling development machine slightly draws back, cut top coal, make back smooth, by development machine, loaded after remaining coal, again the cutterhead of development machine is adjusted to lane cave base plate and carries out next circulation coal cutting.
Beneficial effect: coal mining system of the present invention is selected Long-distance Control development machine system, comprises a development machine and remote control chamber.Controlling equipment is comprised of development machine electric control box, development machine electric control box, operating desk three parts, has remote wired control operation function, realizes separate men from machines, and during coal mining, people operates in the operating room of safety.Exploit main flow process comprise prepare clear up and to select Chu Caidong lane, the coal cutting of development machine driving, development machine coaling, extend belt, belt to outward transport coal, loader casting, dig and to precalculated position, exit tunnel, withdraw equipment, maintenance, again prepare the back production in next cave lane.Be conducive to realize opencut end side and be detained coal resources safety high-efficiency mining, can realize the unmanned automated mining of Long-distance Control, solved the little non-support in stoping operation space, have the problems such as labour intensity is large, exploitation continuity is low, potential safety hazard is many.Improve the coal resources rate of extraction etc., its production technology is simple, safe, efficient, cost of production is low, has in the art practicality widely simultaneously.
Accompanying drawing explanation
Fig. 1 is that end of the present invention is helped exploitation flat sectional drawing;
Fig. 2 is the A-A sectional drawing of Fig. 1;
Fig. 3 is the B-B sectional drawing of Fig. 1;
Fig. 4 is development machine cylinder coal cutting curve of the present invention.
In figure: 1-end side coal seam, 2-development machine, 3-belt conveyer, 4-loader, 5-holds side, 6-lane cave, 7-stops adopting line, 8-section boundary line, 9-lane cave coal column.
The specific embodiment
Below in conjunction with accompanying drawing, one embodiment of the present of invention are further described:
End of the present invention is helped coal seam Long-distance Control driving exploitation method, and main coal mining system is selected Long-distance Control development machine system, and it comprises a development machine 2 and remote control chamber.Controlling equipment is comprised of development machine electric control box, development machine electric control box, operating desk three parts, has remote wired control operation function, realizes separate men from machines, and during coal mining, people operates in the operating room of safety.Exploit main flow process comprise prepare clear up and to select Chu Cai lane cave 6, development machine 2 driving coal cuttings, development machine coaling, extend belt, belt conveyer 3 to outward transport coal, loader 4 casting, dig that line 7 exits lane cave 6, withdraws equipment to stopping adopting, maintenance, the back production of again preparing next lane cave.The method has features such as improving the coal resources rate of extraction, production technology are simple, safety, efficient, cost of production is low, is conducive to realize opencut end side and is detained coal resources safety high-efficiency mining.
As Fig. 1, shown in 2, end side coal seam 1 is positioned to reveal adopts under end side 5, belongs to the residual resource of end side, arranges that driving lane cave 6 carries out back production in coal seam, adopts the back production of the unmanned automation driving of Long-distance Control in exploitation process, and concrete steps are as follows:
A, in end side 5 bottoms, press coals outside to arrange development machine 2 and corollary systems, a video camera is respectively set above cutting part of heading machine oil cylinder, to monitor the place ahead coal cutting situation; A video camera is set above the electric control box of development machine rear, and to monitor belt conveyor 3 operating conditions, one, development machine rear video camera is that colliery is set up, and other two is development machine autogamy;
B, by camera acquisition signal, through transmission equipment, development machine work picture is transferred in OPS, show in real time the duty of development machine 2 each systems, meet the control of development machine, protection, demonstration, illumination and semiotic function demand; During coal mining, people operates in the operating room of safety; After tele-control system debugging preparation completes, control development machine 2 to pressing the coal cutting of coal driving, the width of driving lane cave 6 is 4~5m, and coal seam is automatically shoveled and delivered on belt conveyer 3 by development machine 2 after cutting, and by belt conveyer 3, transports driving lane cave 6 to loader 4; Described is as follows to pressure coal driving coal cutting process:
In OPS, first the cutterhead of development machine 2 is adjusted to lane cave 6 lower right corner incision coal bodies, coal cutting from below to up from right to left,, when cutting roof, controlling development machine 2 slightly draws back, cut top coal, makes back smooth, by development machine 2, has loaded after remaining coal, again the cutterhead of development machine 2 is adjusted to lane cave 6 base plates and carries out next circulation coal cutting, as shown in Figure 4;
C, along with the continuous propelling of development machine 2, in belt conveyer 3 outsides, add long belt, utilize loader 4 to retrodict to deliver to driving lane cave 6; When development machine driving is when stopping adopting line 7, development machine 2 stops coal cutting, by Long-distance Control loader, belt conveyer 3 is withdrawn to driving lane cave 6, repair apparatus;
D, stay the lane cave coal column 9 of establishing 1~1.5m, as shown in Figure 1,3, repeat above-mentioned steps, continue the coal mining of next driving lane cave 6, until the pressure coal completing in exploiting field reclaims.

Claims (2)

1. an end side coal seam Long-distance Control driving exploitation method, comprises and adopts development machine, controlling equipment, tele-control system, and described controlling equipment is comprised of flame-proof mine development machine electric control box, development machine electric control box, operating desk three parts; It is characterized in that: comprise the steps:
A, in end side bottom, press coal outside to arrange development machine and corollary system, 1 video camera is respectively set above cutting part of heading machine oil cylinder, to monitor the place ahead coal cutting situation; 1 video camera is set above the electric control box of development machine rear, to monitor drag conveyor operating condition;
B, by camera acquisition signal, through transmission equipment, development machine work picture is transferred in OPS, show in real time the duty of each system of development machine, meet the control of development machine, protection, demonstration, illumination and semiotic function demand; After tele-control system debugging preparation completes, control development machine is to pressing the coal cutting of coal driving, and the width of driving lane cave is 4~5m, and coal seam is automatically shoveled and delivered on belt conveyer by development machine after cutting, and by belt conveyer, transports driving lane cave to loader;
C, along with the continuous propelling of development machine, in belt conveyer outside, add long belt, utilize loader to retrodict and deliver to driving lane cave; When development machine driving is when stopping adopting line, development machine stops coal cutting, by Long-distance Control loader, belt-conveying machine equipment is withdrawn to driving lane cave, repair apparatus;
D, stay the coal column of establishing 1~1.5m, continue the coal mining of next driving lane cave, until the pressure coal completing in exploiting field reclaims.
2. end according to claim 1 is helped coal seam Long-distance Control driving exploitation method, it is characterized in that: described is as follows to pressure coal driving coal cutting process:
In OPS, first the cutterhead of development machine is adjusted to the cave lower right corner, lane incision coal body, coal cutting from below to up from right to left,, when cutting roof, controlling development machine slightly draws back, cut top coal, make back smooth, by development machine, loaded after remaining coal, again the cutterhead of development machine is adjusted to roadway floor and carries out next circulation coal cutting.
CN201410279847.8A 2014-06-20 2014-06-20 A kind of end is helped coal seam Long-distance Control driving recovery method Expired - Fee Related CN104074521B (en)

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CN104790956A (en) * 2015-03-13 2015-07-22 余绍泽 Remote control heading machine tunnel type or fully-mechanized top coal exploitation end slope coal technology
CN104832130A (en) * 2015-04-28 2015-08-12 中国矿业大学 Gasification recovery method for residual coal at end slope of strip mine
CN106089211A (en) * 2016-08-19 2016-11-09 郑晓辉 A kind of surface mine is unmanned excavates Load System
CN108397196A (en) * 2018-01-16 2018-08-14 中蓝长化工程科技有限公司 A kind of gently inclined orebody open air trestle mining methods based on lattice guest's artificial ore pillar
CN109296369A (en) * 2018-10-12 2019-02-01 太原科技大学 A kind of outdoor successive coal-mining face highwall coal recovery process
CN109882240A (en) * 2019-03-29 2019-06-14 中国矿业大学 A kind of outdoor end side pressure coal filling mining system
CN109882239A (en) * 2019-03-27 2019-06-14 中国矿业大学 A kind of outdoor end side pressure emanant filling mining method of coal
CN109915148A (en) * 2019-03-27 2019-06-21 中国矿业大学 A kind of outdoor end side pressure emanant recovery method of coal
WO2019184257A1 (en) * 2018-03-27 2019-10-03 中煤科工能源投资有限公司 Coal mining method for rotatably mining coal on an open pit slope using fully-mechanized coal mining equipment

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104790956A (en) * 2015-03-13 2015-07-22 余绍泽 Remote control heading machine tunnel type or fully-mechanized top coal exploitation end slope coal technology
CN104832130B (en) * 2015-04-28 2017-06-06 中国矿业大学 Help residual coal gasification recovery method in opencut end
CN104832130A (en) * 2015-04-28 2015-08-12 中国矿业大学 Gasification recovery method for residual coal at end slope of strip mine
CN106089211A (en) * 2016-08-19 2016-11-09 郑晓辉 A kind of surface mine is unmanned excavates Load System
CN108397196B (en) * 2018-01-16 2019-10-18 中蓝长化工程科技有限公司 A kind of gently inclined orebody open air trestle mining methods based on lattice guest's artificial ore pillar
CN108397196A (en) * 2018-01-16 2018-08-14 中蓝长化工程科技有限公司 A kind of gently inclined orebody open air trestle mining methods based on lattice guest's artificial ore pillar
WO2019184257A1 (en) * 2018-03-27 2019-10-03 中煤科工能源投资有限公司 Coal mining method for rotatably mining coal on an open pit slope using fully-mechanized coal mining equipment
CN109296369A (en) * 2018-10-12 2019-02-01 太原科技大学 A kind of outdoor successive coal-mining face highwall coal recovery process
CN109882239A (en) * 2019-03-27 2019-06-14 中国矿业大学 A kind of outdoor end side pressure emanant filling mining method of coal
CN109915148A (en) * 2019-03-27 2019-06-21 中国矿业大学 A kind of outdoor end side pressure emanant recovery method of coal
WO2020192078A1 (en) * 2019-03-27 2020-10-01 中国矿业大学 Method for radial mining of opencast end slope remnant coal
CN109882240B (en) * 2019-03-29 2020-04-14 中国矿业大学 Open-air end slope coal-pressing filling mining system
CN109882240A (en) * 2019-03-29 2019-06-14 中国矿业大学 A kind of outdoor end side pressure coal filling mining system
WO2020199546A1 (en) * 2019-03-29 2020-10-08 中国矿业大学 Pressed coal filling mining system and process for end slope of open pit

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