CN103256051A - Double-wing continuous coal mining technique for open-pit coal mine - Google Patents
Double-wing continuous coal mining technique for open-pit coal mine Download PDFInfo
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Abstract
The invention relates to a double-wing continuous coal mining technique for an open-pit coal mine. According to the storage distribution and geological characteristics of the open-pit coal mine, firstly a plurality of mining areas being 2000*90m are designated, then a plurality of fan-shaped width mining areas are designated in the mining areas, and digging, crushing, transshipping and conveying equipment is laid in each width mining area according to a way of forward mining in a main lane and oblique fan-shaped mining in left and right wing lanes to form standardized cycle operation. According to the double-wing continuous coal mining technique, the process is advanced, the ancillary working time is shortened, the reciprocating motion times are reduced, the equipment working for cycle operation can be fully utilized, and the safety of coal mining is improved, so htat the double-wing continuous coal mining technique for the open-pit coal mine is very ideal.
Description
Technical field
The present invention relates to a kind of continuous coal winning technology method of double-vane of open-air wide ore deposit, belong to the application of coal excavation apparatus and the technical field of coal-mining method.
Background technology
The mode that the exploitation of open coal mine mostly adopts monobucket excavation, truck transport, concentrated Crushing Station fragmentation, ribbon conveyer to transport, being that power shovel is on-the-spot excavates, truck transport is to the Crushing Station fragmentation, be transported to outside the stope by ribbon conveyer then, enter coal bunker, this traditional coal winning technology mode makes that truck transport passage floor space is big, concentrated Crushing Station moves difficulty, length consuming time, coal mining efficient is low, poor stability, environmental pollution is serious, cause mining costs to promote significantly, but also caused abandoning of girdle, caused the waste of resource.
Summary of the invention
Goal of the invention
The objective of the invention is the situation at background technology, storage characteristics and geological condition according to open coal mine, adopt the continuous coal winning technology method of double-vane, arrange digging, fragmentation, haulage device at production zone, i.e. main lane digging, left wing's exploiting field digging, the digging of right flank exploiting field, carried by ribbon conveyer then, to increase substantially digging speed and efficient.
Technical scheme
The equipment that uses comprises: open-air flitting, transport unit in the open continuously, slide dummy car, work plane ribbon conveyer, outer conveying belt type conveyer; Wherein the open-air unit of transportation continuously comprises: 1 of feeder of walking, walking elevating conveyor 2-3 platform, straddle bridge conveyor 3-4 platform;
The continuous coal winning technology method of the double-vane of open coal mine is as follows:
(1), width of cloth district is adopted in setting
Colliery length is 2000 meters in the open, 90 meters regional assignment mining areas of width, and production zone is divided into first adopts width of cloth district, second and adopt width of cloth district, the 3rd and adopt width of cloth district ..., each adopts width of cloth section length is 90 meters of 40 meters, width, each adopts width of cloth district is fan-shaped;
Adopting definite vertical middle digging master lane that is, width of cloth zone, mining type to left wing, the exploitation of right flank exploiting field, after has exploited in left and right wing exploiting field, is adopted the operation of width of cloth district to the next one by digging master lane;
(2), installation apparatus
Adopt after width of cloth zone determines, delimit digging master lane in vertical centre position, width is 8-10 rice, and length runs through the whole width of cloth district of adopting;
Then with the equipment of felling and transporting that is disposed in order in main lane, left wing lane, right flank lane;
The laying of felling and transporting equipment is in proper order: open-air flitting, straddles bridge conveyor, the elevating conveyor of walking, slides dummy car, work plane ribbon conveyer, outer conveying belt type conveyer walking feeding crushing machine; Look digging length increase and decrease transportation rehandle facilities;
(3), first adopt the master lane digging of width of cloth district
Advance mining is adopted in the digging of main lane, adopts alternately coal cutting operation digging side by side, and open-air flitting coal cutting is the left back right side of elder generation in proper order, hilted broadsword coal cutting length is less than fuselage length, hilted broadsword coal cutting width is greater than fuselage width, and the digging that moves ahead that circulates is in this order finished until digging;
Coal under adopting through walking feeding crushing crusher machine, straddle bridge conveyor reprinting, the elevating conveyor of walking, slide that dummy car is transported to the work plane ribbon conveyer, outer conveying belt type conveyer is sent;
(4), first adopt the exploiting field digging of width of cloth district left wing
Left wing's exploiting field digging is adopted and is tiltedly advanced the formula exploitation, adopt alternately coal cutting operation digging side by side, open-air flitting coal cutting is the left back right side of elder generation in proper order, hilted broadsword coal cutting length is less than fuselage length, and hilted broadsword coal cutting width is greater than fuselage width, and circulation in this order moves ahead, left and right sides digging, the lane digging is finished until left wing, after left wing's lane pick is adopted and finished, adopt forward and back alternative expression radiation both sides exploitation, until being connected with main lane;
Coal under adopting through walking feeder fragmentation, straddle that bridge conveyor is reprinted, the walking elevating conveyor reprints, slides that dummy car is transported to the work plane ribbon conveyer, outer conveying belt type conveyer is sent;
(5), first adopt the right flank exploiting field digging of width of cloth district
The formula exploitation is tiltedly advanced in the digging employing of right flank exploiting field, adopts alternately coal cutting operation digging side by side, and open-air flitting coal cutting is the left back right side of elder generation in proper order, hilted broadsword coal cutting length is less than fuselage length, hilted broadsword coal cutting width is greater than fuselage width, and the digging that moves ahead that circulates is in this order finished until the digging of right flank lane; After the digging of right flank lane is finished, adopt forward and back alternative expression radiation both sides exploitation, until being connected with main lane;
Coal under adopting through walking feeding crushing crusher machine, straddle that bridge conveyor is reprinted, the walking elevating conveyor reprints, slides that dummy car is transported to the work plane ribbon conveyer, outer conveying belt type conveyer is sent;
(6), adopt the circulation digging of width of cloth district
Adopt width of cloth district by what set in advance, by each adopt main lane, the left wing exploiting field in width of cloth district, the order in right flank exploiting field is carried out digging operation;
Digging, fragmentation, reprinting, haulage device that each digging area is laid are all identical, form the normal formula cycle operation;
After an open coal mine digging area is finished, namely be transferred to next acceptance region, form the mining work circulation.
Beneficial effect
The present invention compares with background technology has tangible advance, be to distribute and geology characteristic according to the open coal mine storage, delimit some production zones of 2000 meters of length, 90 meters of width earlier, in production zone, delimit some fan-shaped width of cloth districts of adopting then, in adopting width of cloth district, each tiltedly advances the formula exploitation by the move ahead exploitation, left and right wing lane of main lane, and the mode of radiation both sides lays digging, fragmentation, reprinting, transhipment, conveying equipment, forms standardized cycle operation; This coal-mining method technology advanced person, service working time and reciprocating action have been reduced, can take full advantage of the working cycles of equipment, coal mining quality and production efficiency have been increased substantially, form orderly production operation, having improved the safety of digging, is the continuous coal-mining method of double-vane of very good open coal mine.
Description of drawings
Fig. 1, adopt plane, width of cloth district for the open coal mine double-vane figure is set
Fig. 2, adopt each position configuration state figure of width of cloth district for left and right
Fig. 3, adopt width of cloth district A-A profile for Fig. 1
Shown in the figure, list of numerals is as follows:
W2, wing lane digging width d, digging area hilted broadsword coal cutting width,
P, digging area hilted broadsword coal cutting length, L1, wing lane digging width,
L2, planning area and below digging area distance, L3, rock are peeled off and the digging area distance,
The production zone width of L4, delimitation, L5, digging area rock are peeled off width,
L6, adopt width of cloth district distance to be adopted, H1, lithosphere height,
L, the fan-shaped width of cloth district digging distance of adopting, H, digging coal seam thickness.
The specific embodiment
The present invention will be further described below in conjunction with accompanying drawing:
Shown in Figure 1, adopt plane, width of cloth district for the open coal mine double-vane figure is set, it is correct that want each position, respectively adopting width of cloth district arranges in order, adopt master lane, width of cloth district, left wing lane, right flank lane and form fan-shapedly, the mining equipment order of placement is that main lane, left wing lane, right flank lane are laid, installed, respectively adopt width of cloth offset from, highly identical, respectively adopt coal cutting direction, length, width, highly identical in the width of cloth district, respectively adopt the standardized work pattern that width of cloth district forms digging, fragmentation, reprinting, conveying.
Shown in Figure 2, be a left side, each position configuration state figure of right flank digging area, the centre is that main lane, sidepiece are wing lane, and W1 is that main lane digging width, W2 are wing lane digging width, and main lane and left and right wing lane angle are
=30
o-45
o, P is digging area hilted broadsword coal cutting length, L1 is wing lane digging width,
Shown in Figure 3, digging area A-A profile for Fig. 1, W1 is main lane digging width, H is the digging coal seam thickness, H1 is the lithosphere height, and L1 is wing lane digging width, and L2 is planning area and below digging area distance, L3 is that rock is peeled off and the digging area distance, each distance, highly, width wants the strict control of coordinating.
Claims (2)
1. the continuous coal winning technology method of the double-vane of an open coal mine, it is characterized in that: the equipment of use comprises: open-air flitting, the open-air unit of transportation continuously, slide dummy car, work plane ribbon conveyer, outer conveying belt type conveyer; Wherein the open-air unit of transportation continuously comprises: 1 of feeder of walking, walking elevating conveyor 2-3 platform, straddle bridge conveyor 3-4 platform;
The continuous coal winning technology method of the double-vane of open coal mine is as follows:
(1), width of cloth district is adopted in setting
Colliery length is 2000 meters in the open, 90 meters regional assignment mining areas of width, and production zone is divided into first adopts width of cloth district, second and adopt width of cloth district, the 3rd and adopt width of cloth district ..., each adopts width of cloth section length is 90 meters of 40 meters, width, each adopts width of cloth district is fan-shaped;
Adopting definite vertical middle digging master lane that is, width of cloth zone, mining type to left wing, the exploitation of right flank exploiting field, after has exploited in left and right wing exploiting field, is adopted the operation of width of cloth district to the next one by digging master lane;
(2), installation apparatus
Adopt after width of cloth zone determines, delimit digging master lane in vertical centre position, width is 8-10 rice, and length runs through the whole width of cloth district of adopting;
Then with the equipment of felling and transporting that is disposed in order in main lane, left wing lane, right flank lane;
The laying of felling and transporting equipment is in proper order: open-air flitting, straddles bridge conveyor, the elevating conveyor of walking, slides dummy car, work plane ribbon conveyer, outer conveying belt type conveyer walking feeding crushing machine; Look digging length increase and decrease transportation rehandle facilities;
(3), first adopt the master lane digging of width of cloth district
Advance mining is adopted in the digging of main lane, adopts alternately coal cutting operation digging side by side, and open-air flitting coal cutting is the left back right side of elder generation in proper order, hilted broadsword coal cutting length is less than fuselage length, hilted broadsword coal cutting width is greater than fuselage width, and the digging that moves ahead that circulates is in this order finished until digging;
Coal under adopting through walking feeding crushing crusher machine, straddle bridge conveyor reprinting, the elevating conveyor of walking, slide that dummy car is transported to the work plane ribbon conveyer, outer conveying belt type conveyer is sent;
(4), first adopt the exploiting field digging of width of cloth district left wing
Left wing's exploiting field digging is adopted and is tiltedly advanced the formula exploitation, adopt alternately coal cutting operation digging side by side, open-air flitting coal cutting is the left back right side of elder generation in proper order, hilted broadsword coal cutting length is less than fuselage length, and hilted broadsword coal cutting width is greater than fuselage width, and circulation in this order moves ahead, left and right sides digging, the lane digging is finished until left wing, after left wing's lane pick is adopted and finished, adopt forward and back alternative expression radiation both sides exploitation, until being connected with main lane;
Coal under adopting through walking feeder fragmentation, straddle that bridge conveyor is reprinted, the walking elevating conveyor reprints, slides that dummy car is transported to the work plane ribbon conveyer, outer conveying belt type conveyer is sent;
(5), first adopt the right flank exploiting field digging of width of cloth district
The formula exploitation is tiltedly advanced in the digging employing of right flank exploiting field, adopts alternately coal cutting operation digging side by side, and open-air flitting coal cutting is the left back right side of elder generation in proper order, hilted broadsword coal cutting length is less than fuselage length, hilted broadsword coal cutting width is greater than fuselage width, and the digging that moves ahead that circulates is in this order finished until the digging of right flank lane; After the digging of right flank lane is finished, adopt forward and back alternative expression radiation both sides exploitation, until being connected with main lane;
Coal under adopting through walking feeding crushing crusher machine, straddle that bridge conveyor is reprinted, the walking elevating conveyor reprints, slides that dummy car is transported to the work plane ribbon conveyer, outer conveying belt type conveyer is sent;
(6), adopt the circulation digging of width of cloth district
Adopt width of cloth district by what set in advance, by each adopt main lane, the left wing exploiting field in width of cloth district, the order in right flank exploiting field is carried out digging operation;
Digging, fragmentation, reprinting, haulage device that each digging area is laid are all identical, form the normal formula cycle operation;
After an open coal mine digging area is finished, namely be transferred to next acceptance region, form the mining work circulation.
2. according to the continuous coal winning technology method of the double-vane of right 1 described a kind of open coal mine, it is characterized in that: respectively adopt width of cloth district and arrange in order, adopting master lane, width of cloth district, left wing lane, right flank lane forms fan-shaped, the mining equipment order of placement is main lane, left wing lane, the laying of right flank lane, installs, respectively adopt width of cloth offset from, highly identical, respectively adopt coal cutting direction, length, width, highly identical in the width of cloth district, adopt the standardized work pattern that width of cloth district forms digging, fragmentation, reprinting, conveying.
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| CN104594906A (en) * | 2014-12-26 | 2015-05-06 | 中国煤炭科工集团太原研究院有限公司 | Continuous mobile type transport unit of open pit coal mine |
| CN104863594A (en) * | 2015-04-30 | 2015-08-26 | 华能伊敏煤电有限责任公司 | Machine channel construction design method for strip mine semi-continuous production system |
| CN105114079A (en) * | 2015-08-11 | 2015-12-02 | 煤炭科学技术研究院有限公司 | Quick coal mining method used for controlling ground deformation |
| CN105545310A (en) * | 2015-12-16 | 2016-05-04 | 中国神华能源股份有限公司 | Coal mining method utilizing dragline cycle operation |
| CN105626076A (en) * | 2016-04-11 | 2016-06-01 | 中国矿业大学(北京) | High-efficiency mining method of dragline saw-tooth type working bench |
| CN110107299A (en) * | 2019-06-17 | 2019-08-09 | 王建鑫 | Open coal mine adopts stripping step and transport routes arrangement system and method and recovery method |
| CN111997614A (en) * | 2020-09-07 | 2020-11-27 | 河南理工大学 | Method for winding thin coal belt on forward fully-mechanized coal mining face |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104594906A (en) * | 2014-12-26 | 2015-05-06 | 中国煤炭科工集团太原研究院有限公司 | Continuous mobile type transport unit of open pit coal mine |
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| CN104863594A (en) * | 2015-04-30 | 2015-08-26 | 华能伊敏煤电有限责任公司 | Machine channel construction design method for strip mine semi-continuous production system |
| CN104863594B (en) * | 2015-04-30 | 2017-05-17 | 华能伊敏煤电有限责任公司 | Machine channel construction design method for strip mine semi-continuous production system |
| CN105114079A (en) * | 2015-08-11 | 2015-12-02 | 煤炭科学技术研究院有限公司 | Quick coal mining method used for controlling ground deformation |
| CN105545310A (en) * | 2015-12-16 | 2016-05-04 | 中国神华能源股份有限公司 | Coal mining method utilizing dragline cycle operation |
| CN105626076A (en) * | 2016-04-11 | 2016-06-01 | 中国矿业大学(北京) | High-efficiency mining method of dragline saw-tooth type working bench |
| CN110107299A (en) * | 2019-06-17 | 2019-08-09 | 王建鑫 | Open coal mine adopts stripping step and transport routes arrangement system and method and recovery method |
| CN110107299B (en) * | 2019-06-17 | 2020-12-25 | 王建鑫 | Open pit coal mine step mining and stripping and transportation road arrangement system and method and mining method |
| CN111997614A (en) * | 2020-09-07 | 2020-11-27 | 河南理工大学 | Method for winding thin coal belt on forward fully-mechanized coal mining face |
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