CN102900437A - Multi-channel grade separation type laneway arrangement method on coal face - Google Patents
Multi-channel grade separation type laneway arrangement method on coal face Download PDFInfo
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- CN102900437A CN102900437A CN2012103724839A CN201210372483A CN102900437A CN 102900437 A CN102900437 A CN 102900437A CN 2012103724839 A CN2012103724839 A CN 2012103724839A CN 201210372483 A CN201210372483 A CN 201210372483A CN 102900437 A CN102900437 A CN 102900437A
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Abstract
The invention relates to the technical field of laneway mining of coal mines and specifically relates to a multi-channel grade separation type laneway arrangement method on a coal face, and the method can be used for solving the existing problem that when laneways in a mine are intersected but not through, the actual production requirements can not be met by only constructing an air bridge. The multi-channel grade separation type laneway arrangement method on the coal face comprises the following steps: a) mining a second laneway and a third laneway which are parallel in the south-north direction, and mining a first laneway in the east-west direction; and b) enabling the first laneway (1) and the second laneway (2) to be intersected and through in the same plane and then communicated with the third laneway (3); and constructing an air bridge (11) for communicating the first laneway (1) positioned on the two sides of the second laneway (2) in the first laneway (1) at the part at which the first laneway (1) and the second laneway (2) are intersected and through. The method disclosed by the invention is reasonable in design, and can be used for effectively solving the problem of difficulty in laneway arrangement, reducing the quantity of ancillary works and producing huge economic benefits.
Description
Technical field
The present invention relates to coal mine roadway extraction technique field, be specially a kind of roadway layout method of coal-face multichannel grade separation type.
Background technology
At present, in the tunnel of coal mining was arranged, when a certain tunnel need stride across a tunnel and another roadway linking, the method that usually adopts was to realize by the build air crossing, and still, in real work, what this method can not guarantee to produce sometimes normally carries out.The below is arranged as example with the tunnel of flat mine 1310 fully mechanized coal faces of the flat coal industry of Shanxi coal group head Co., Ltd head and describes.As shown in Figure 6,1310 fully mechanized coal faces are 1219,1220,1,222 three tunnel arrangements: 1219 lanes are used for air intake, fortune coal, power supply, feed flow, water supply; 1220 lanes are used for air intake, haul; 1222 lanes are used for return air, draining; Three tunnels are all tunneled along seat earth.The east of this work plane is followed successively by 1102 lanes (the double air intake lane, panel of doing) and 1101 lanes (the double panel return airway of doing).Because the production system of 1310 fully mechanized coal faces mainly concentrates on 1219 lanes, in order at first to satisfy 1219 lane air intake requirements, need in 1219 lanes, to construct air crossing and stride across 1102 lanes and the communication of 1101 lanes, if belt conveyor fortune coal is adopted in 1219 lanes, head of belt conveyer partly need be striden air crossing so, yet 1219 lane air crossings stride across 1102 lanes and the 1101 lanes perforation section gradient is larger, can't satisfy head of belt conveyer part motor, the reducer installation requirement, and 1102 lanes and 1101 lanes distance only have 30m, head of belt conveyer is partly strained winch, the equipment Foundations such as Webbing take-up device just drop on the air crossing section, can't ensure its safe operation.
As from the foregoing, when but the tunnel need to intersect can not connect, iff adopting common tunnel arrangement (passing through air crossing), then can't satisfy actual production requirement, therefore, be necessary existing tunnel arrangement is improved, satisfy the actual production requirement.
Summary of the invention
The present invention only can't satisfy the problem that actual production requires by the mode of constructing air crossing in order to solve at present in mine when the tunnel intersects but do not connect, and a kind of coal-face multichannel grade separation type roadway layout method is provided.
The present invention adopts following technical scheme to realize:
A kind of coal-face multichannel grade separation type roadway layout method comprises the steps:
A, digging north-south, parallel the second tunnel and the 3rd tunnel, transmeridional the first tunnel of digging;
B, described the first tunnel and the second tunnel intersect in same plane and are communicated with the 3rd tunnel after running through; Intersection through part in described the first tunnel and the second tunnel: the air crossing of in the first tunnel, building the first tunnel connection that will be in both sides, the second tunnel, namely the second tunnel will be because running through with the first tunnel that the lane side fracture that forms is connected and at the top board in described the second stone walling build the second tunnel, the described top board in the second tunnel herein is exactly the base plate of air crossing by build twice second stone walling along its lane side; In the first tunnel, build from the base plate in the second tunnel and run through trench scraper-trough conveyer passage by the second tunnel, both sides in the described trench scraper-trough conveyer passage are built the first stone walling by laying bricks or stones and are positioned on first stone walling of the following part of base plate in the second tunnel and build the top board that trench scraper-trough conveyer passage is arranged, and namely form the part base plate in the second tunnel.
In the colliery, scraper-trough conveyer is the general designation of class flute profile transportation apparatus.Described trench scraper-trough conveyer passage is exactly to be exclusively used in the place of placing scraper-trough conveyer.
Described air crossing is to be located at into, return air infall in the mine and to make into, the mutual unmixed facility of return air.Those skilled in the art all know how to construct air crossing.
Pass through said process, when the first tunnel when intersection strides across the second tunnel, infall has formed " multichannel grade separation type " tunnel arrangement mode in the down-hole, the first tunnel on the one hand by construct air crossing from the top board in the second tunnel stride across the second tunnel, on the other hand by construct at its base plate trench scraper-trough conveyer passage from the base plate in the second tunnel by the second tunnel, namely the second tunnel, middle part, above the second tunnel be the first tunnel air crossing, the second tunnel below be the trench scraper-trough conveyer passage in the first tunnel.This tunnel arrangement mode can comprehensively solve coal-face and cause the problem of tunnel difficult arrangement by the tunnel intersection, and has reduced the ancillary works amount of work plane, has saved cost of production, has obtained huge economic benefit and social benefit.
The present invention is reasonable in design, efficiently solves at present in mine when the tunnel intersects but do not connect, and only can't satisfy the problem that actual production requires by the mode of constructing air crossing.
Description of drawings
Fig. 1 is the layout plan of one embodiment of the invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B-B sectional view of Fig. 1.
Fig. 4 is that the first tunnel is intersecting the top view of through part with the second tunnel.
Fig. 5 is the partial enlarged drawing of Fig. 3.
Fig. 6 is the tunnel arrangement diagram of 1310 fully mechanized coal faces in the background technology.
Among the figure, 1-the first tunnel, 2-the second tunnel, 3-the 3rd tunnel, 4-i iron, 5-cement board, 6-steel concrete, 7-the first stone walling, 11-air crossing, 12-trench scraper-trough conveyer passage, 13-wind deflector, 21-the second stone walling.
The specific embodiment
Below in conjunction with accompanying drawing specific embodiments of the invention are elaborated.
As shown in Figure 1, 2, a kind of coal-face multichannel grade separation type roadway layout method comprises the steps:
A, digging north-south, parallel the second tunnel 2 and the 3rd tunnel 3, transmeridional the first tunnel 1 of digging;
B, described the first tunnel 1 and the second tunnel 2 intersect in same plane and are communicated with the 3rd tunnel 3 after running through; Intersection through part in described the first tunnel 1 and the second tunnel 2: the air crossing 11(that will be in the first tunnel 1 connection of 2 both sides, the second tunnel in the 1 interior build of the first tunnel namely strides across the second tunnel 2 by air crossing 11 in the first tunnel 1), namely the second tunnel 2 will be because running through with the first tunnel 1 that the lane side fracture that forms is connected and at the top board in described the second stone walling 21 builds the second tunnel 2, the described top board in the second tunnel 2 herein is exactly the base plate of air crossing 11 by build twice second stone walling 21 along its lane side; Run through trench scraper-trough conveyer passage 12 by the second tunnel 2 in the 1 interior build of the first tunnel from the base plate in the second tunnel 2, both sides in the described trench scraper-trough conveyer passage 12 are built the first stone walling 7 by laying bricks or stones and are positioned on first stone walling 7 of the following part of base plate in the second tunnel 2 and build the top board that trench scraper-trough conveyer passage 12 is arranged, and namely form the part base plate in the second tunnel 2.
During implementation, according to the conveying capacity of coal-face inside strake conveyer, elevating conveyor, belt conveyer, the trench scraper-trough conveyer of selective power coupling, and further determine the rational width of trench scraper-trough conveyer passage 12 according to the trench scraper-trough conveyer appearance and size of choosing.In order to guarantee the safety and stablization of trench scraper-trough conveyer passage 12, both sides in the trench scraper-trough conveyer passage 12 in described the first tunnel 1 are built the first thick stone walling 7 of 300mm by laying bricks or stones, described trench scraper-trough conveyer Channel 12-Bit overhauls needs at 1.45-1.6m(for satisfying the trench scraper-trough conveyer later stage in the height of the first stone walling 7 of the part of the second tunnel below 2, the maintainer can enter in the trench scraper-trough conveyer passage), and this section first stone walling 7 is added to be provided with 17 mining 12# i iron 4, be coated with cement board 5 on the i iron 4, be coated with the thick steel concrete of 200mm 6 on the cement board 5, thereby form the top board of trench scraper-trough conveyer passage 12, i.e. the part base plate in the second tunnel 2.Shown in Fig. 3,5.
For the normal operation that guarantees the second tunnel 2 interior accessory systems, ventilation and the pedestrains safety of air crossing 11, the thickness of described the second stone walling 21 is 300mm, described the second stone walling 21 added i iron 4 that are provided with, be coated with cement board 5 on the i iron 4, be coated with the thick steel concrete of 200mm 6 on the cement board 5, thereby form the top board in the second tunnel 2, that is to say the base plate of air crossing 11.Tilt to be equipped with angle in the both sides of the first tunnel 1 interior air crossing 11 less than 30 ° wind deflector 13, form the wind-guiding slope.The effect on described wind-guiding slope is the operation of convenient walk and guiding wind direction.Shown in Fig. 2,4,5.
In the said method, the first stone walling 7 and the second stone walling 21 equal materials clitters are built and are formed, and form the work stone wall, and described work stone is exactly at length and width, the thick building stones that have certain requirements.
Sprayed mortar in the 3m scope before and after air crossing, the exposed parts of i iron 4 all must cover in whitewashing.
During actual the use, tunnel with flat mine 1310 fully mechanized coal faces of the flat coal industry of Shanxi coal group head Co., Ltd head is arranged as example, because when 1219 lane air crossings stride across 1102 lanes and the perforation of 1101 lanes, owing to only be difficult to satisfy the actual production requirement by building air crossing, so, construction trench scraper-trough conveyer passage passes from the bottom in 1102 lanes in 1219 lanes, satisfied the fortune coal requirement of 1310 fully mechanized coal faces, simultaneously, build air crossing in 1219 lanes and stride across 1102 lanes and the perforation of 1101 lanes, in order to satisfy air intake and pedestrian's requirement.Like this, formed " multichannel grade separation type " tunnel arrangement mode, namely Lane 1102, middle part, above 1102 lanes be 1219 lanes air crossing, 1102 lanes below be the trench scraper-trough conveyer passage in 1219 lanes, efficiently solve the problem of tunnel difficult arrangement, both solved the fortune coal problem in 1219 lanes, satisfy again ventilation and the current requirement in 1219 lanes, also reduced the ancillary works amount, produced huge economic benefit and social benefit.
Claims (4)
1. a coal-face multichannel grade separation type roadway layout method is characterized in that: comprise the steps:
A, digging north-south, parallel the second tunnel (2) and the 3rd tunnel (3), transmeridional the first tunnel of digging (1);
B, described the first tunnel (1) and the second tunnel (2) intersect in same plane and are communicated with the 3rd tunnel (3) after running through; Intersection through part in described the first tunnel (1) and the second tunnel (2): build will be in the air crossing (11) of the first tunnel (1) connection of both sides, the second tunnel (2) in the first tunnel (1), namely the second tunnel (2) will be because running through with the first tunnel (1) that the lane side fracture that forms is connected and at the top board in described the second stone walling (21) build the second tunnel (2), the top board in described the second tunnel herein (2) is exactly the base plate of air crossing (11) by build twice second stone wallings (21) along its lane side; In the first tunnel (1), build from the base plate of the second tunnel (2) and run through trench scraper-trough conveyer passage (12) by the second tunnel (2), both sides in the described trench scraper-trough conveyer passage (12) are built the first stone walling (7) by laying bricks or stones and are positioned at the upper top board that trench scraper-trough conveyer passage (12) is arranged of building of the first stone walling (7) of the following part of base plate in the second tunnel (2), namely form the part base plate in the second tunnel (2).
2. coal-face multichannel grade separation type roadway layout method according to claim 1, it is characterized in that: among the step b, the thickness of described the first stone walling (7) is 300mm, described trench scraper-trough conveyer passage (12) is positioned at the height of the first stone walling (7) of the following part of base plate in the second tunnel (2) at 1.45-1.6m, and the added i iron (4) that is provided with of this section the first stone walling (7), be coated with cement board (5) on the i iron (4), be coated with the thick steel concrete of 200mm (6) on the cement board (5), thereby form the top board of trench scraper-trough conveyer passage (12), i.e. the part base plate of the second tunnel (2).
3. coal-face multichannel grade separation type roadway layout method according to claim 1 and 2, it is characterized in that: among the step b, the thickness of described the second stone walling (21) is 300mm, the added i iron (4) that is provided with of described the second stone walling (21), be coated with cement board (5) on the i iron (4), be coated with the thick steel concrete of 200mm (6) on the cement board (5), thereby form the top board of the second tunnel (2), be i.e. the base plate of air crossing (11).
4. profit requires 3 described coal-face multichannel grade separation type roadway layout methods, it is characterized in that: the both sides of air crossing (11) tilt to be equipped with angle less than 30 ° wind deflector (13) in the first tunnel (1); Described the first stone walling (7) and the second stone walling (21) all materials clitter block form, and form the work stone wall.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161474A (en) * | 2013-03-05 | 2013-06-19 | 中国神华能源股份有限公司 | Construction method of down hole interchange roadway |
| CN103410550A (en) * | 2013-08-05 | 2013-11-27 | 山西晋城无烟煤矿业集团有限责任公司 | Method for constructing underground air crossing of coal mine |
| CN104153804A (en) * | 2014-07-16 | 2014-11-19 | 山西晋城无烟煤矿业集团有限责任公司 | Coal mine downhole air crossing reinforcing method |
| CN109630178A (en) * | 2018-12-04 | 2019-04-16 | 中煤第五建设有限公司 | The optimization method of ventilation equipment air crossing in a kind of tunnel |
| CN110359924A (en) * | 2019-07-31 | 2019-10-22 | 山西晋城无烟煤矿业集团有限责任公司 | A kind of coal mine down-hole tunnel crossed space structure |
| CN110700832A (en) * | 2019-11-22 | 2020-01-17 | 大同煤矿集团有限责任公司 | Mining method under complex condition of panel coal pillar working surface |
| CN110985038A (en) * | 2019-12-17 | 2020-04-10 | 山西宏厦第一建设有限责任公司 | Construction method of underground reinforced concrete air bridge of coal mine |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161474A (en) * | 2013-03-05 | 2013-06-19 | 中国神华能源股份有限公司 | Construction method of down hole interchange roadway |
| CN103161474B (en) * | 2013-03-05 | 2015-05-06 | 中国神华能源股份有限公司 | Construction method of down hole interchange roadway |
| CN103410550A (en) * | 2013-08-05 | 2013-11-27 | 山西晋城无烟煤矿业集团有限责任公司 | Method for constructing underground air crossing of coal mine |
| CN103410550B (en) * | 2013-08-05 | 2016-06-22 | 山西晋城无烟煤矿业集团有限责任公司 | A kind of coal mine underground airbridge construction method |
| CN104153804A (en) * | 2014-07-16 | 2014-11-19 | 山西晋城无烟煤矿业集团有限责任公司 | Coal mine downhole air crossing reinforcing method |
| CN104153804B (en) * | 2014-07-16 | 2016-08-17 | 山西晋城无烟煤矿业集团有限责任公司 | A kind of underground coal mine air crossing reinforcement means |
| CN109630178A (en) * | 2018-12-04 | 2019-04-16 | 中煤第五建设有限公司 | The optimization method of ventilation equipment air crossing in a kind of tunnel |
| CN110359924A (en) * | 2019-07-31 | 2019-10-22 | 山西晋城无烟煤矿业集团有限责任公司 | A kind of coal mine down-hole tunnel crossed space structure |
| CN110359924B (en) * | 2019-07-31 | 2021-02-05 | 山西晋城无烟煤矿业集团有限责任公司 | Coal mine underground roadway cross three-dimensional structure |
| CN110700832A (en) * | 2019-11-22 | 2020-01-17 | 大同煤矿集团有限责任公司 | Mining method under complex condition of panel coal pillar working surface |
| CN110985038A (en) * | 2019-12-17 | 2020-04-10 | 山西宏厦第一建设有限责任公司 | Construction method of underground reinforced concrete air bridge of coal mine |
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Application publication date: 20130130 |