CN105178962A - Longwall mining method 110 - Google Patents
Longwall mining method 110 Download PDFInfo
- Publication number
- CN105178962A CN105178962A CN201510707763.4A CN201510707763A CN105178962A CN 105178962 A CN105178962 A CN 105178962A CN 201510707763 A CN201510707763 A CN 201510707763A CN 105178962 A CN105178962 A CN 105178962A
- Authority
- CN
- China
- Prior art keywords
- crossheading
- broadwall
- communicated
- engineering method
- working face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/003—Ventilation of traffic tunnels
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/02—Machines which completely free the mineral from the seam solely by slitting
Abstract
The invention discloses a longwall mining method 110. The longwall mining method 110 is characterized in that a belt downhill channel, an air return downhill channel and a track downhill channel are arranged, the whole panel is provided with a plurality of working faces, an upper gate road and a lower gate road of each working face which is being mined are communicated with the belt downhill channel, the lower gate road is left in a roadway after the working face is mined to serve as the upper gate road of the next working face, and the lower gate road of the next working face is communicated with the air return downhill channel. According to the longwall mining method 110, as the upper gate road and the lower gate road of each working face which is being mined are communicated with the belt downhill channel, and the lower gate road of the next working face is communicated with the air return downhill channel, ventilation of the working face which is being mined is realized by not only the upper gate road and the lower gate road of the working face but also the lower gate road of the next working face, the ventilation quantity of the working face which is being mined is increased, the ventilation speed is also increased, and accordingly, the ventilation performance is improved to further improve the coal mine production security.
Description
Technical field
The present invention relates to longwall mining arts in colliery, particularly broadwall 110 engineering method.
Background technology
At present, carrying out, in broadwall process, adopting 121 engineering methods as shown in Figure 1, namely a work plane first need excavate two tunnels, and stays a coal column as support.Particularly, each work plane 10 comprises crossheading 11, lower crossheading 12 and production face 13, the upper crossheading 11 of each work plane 10 is communicated with belt and goes down the hill passage 14, and the lower crossheading 12 of each work plane 10 is communicated with return air and goes down the hill passage 15, is also provided with track in addition and goes down the hill passage 16.In current this structure, need reserved coal pillar, cause a large amount of wastes of resource.And each work plane needs excavation two tunnels, inefficiency.
In addition, easily form ventilation dead point in each production face 13 in recovery process, and ventilation is large not, wind speed is little, easily causes toxic and harmful in production face 10 to be detained, causes potential safety hazard even to cause mine disaster.Therefore, industry is badly in need of improving production face ventilation effect, to improve the safety of coal production.
Summary of the invention
For problems of the prior art, object of the present invention for providing one can efficent use of resources, and can improve production face performance of ventilating thus improve broadwall 110 engineering method of coal mine production safety.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of broadwall 110 engineering method, arrange belt go down the hill passage and track of passage, return air of going down the hill to go down the hill passage, and whole panel arranges multiple work plane, upper crossheading and the lower crossheading of the work plane in each exploitation are all communicated with described belt and go down the hill passage, and this lower crossheading in this working face mining Hou Liu lane using the upper crossheading as subsequent work face, the lower crossheading in described subsequent work face is communicated with described return air and goes down the hill passage.
In an optional embodiment, the upper crossheading of the work plane in described exploitation is communicated with all the time with lower crossheading, and is communicated with the lower crossheading in described subsequent work face.
In an optional embodiment, the upper crossheading of the work plane in described exploitation all will not retain after mining.
In an optional embodiment, described in cut in the gob side entry retaining process of top and adopt the directed joint-cutting of presplitting.
In an optional embodiment, described in cut in the gob side entry retaining process of top and adopt anchor pole and anchor cable to carry out roof timbering.
In an optional embodiment, the broken swollen rear bashing of rock of described roof caving, stops upper crushing.
In an optional embodiment, adopt and cut top galianconism beam, change the confined pressure regularity of distribution.
Beneficial effect of the present invention is, the present invention compared with prior art, upper crossheading and the lower crossheading of the work plane in the present invention in each exploitation are all communicated with belt and go down the hill passage, the lower crossheading in subsequent work face is communicated with return air and goes down the hill passage, make the ventilation of a production face not by means of only upper crossheading and the realization of lower crossheading of this work plane, but also can realize by the lower crossheading in subsequent work face, add the ventilation of production face, improve ventilation speed, thus improve its performance of ventilating, to improve the safety of coal production.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Fig. 1 is the broadwall 110 engineering method schematic diagram of prior art;
Fig. 2 is an embody rule schematic diagram of broadwall 110 engineering method of the present invention.
Detailed description of the invention
The exemplary embodiments embodying feature & benefits of the present invention will describe in detail in the following description.Be understood that the present invention can have various changes in different embodiments, it neither departs from the scope of the present invention, and explanation wherein and accompanying drawing are the use when explain in itself, and is not used to limit the present invention.
Broadwall 110 engineering method is a kind of New Coal Mine exploitation method, is characterized in an a work plane only corresponding tunnel, nor needs reserved coal pillar.Do to launch explanation with the structure of a specific embodiment below.
Broadwall 110 engineering method of the present invention as shown in Figure 2, comprises panel and three passages of going down the hill in an embody rule.Wherein, three passages of going down the hill are that belt go down the hill passage 25 and track of passage 24, return air of going down the hill is gone down the hill passage 26 respectively.
In this embody rule, the multiple work plane 20 in whole panel.For improve performance of ventilating, can one exploitation in work plane 20 mine before, form the upper crossheading of this work plane 20 and the lower crossheading in lower crossheading and subsequent work face 20 simultaneously.Wherein, the lower crossheading of the work plane 20 in exploitation exploits at this work plane 20 the upper crossheading that Hou Liu lane becomes subsequent work face 20, and the work plane 20 in this exploitation in recovery process more than be communicated with between each crossheading.In addition, upper crossheading 21 and the lower crossheading 22 of the work plane 20 in this exploitation are all communicated with belt and go down the hill passage 24, and the lower crossheading 29 in subsequent work face 20 is communicated with return air and goes down the hill passage 25.
In this embody rule, each work plane 20 not only comprises crossheading 21 and lower crossheading 22, also has production face 23.Upper crossheading 21 is communicated with lower crossheading 22 by air channel 27 by the production face 23 of the work plane 20 in this exploitation in recovery process, and namely air channel 27 is communicated with the upper crossheading 21 of a upper work plane and lower crossheading 22.This air channel 27 is mobile with the movement of production face 23, but need remain connected state.And subsequent work face 20 is communicated with the lower crossheading 29 of this work plane by air channel 28.This air channel 28 is positioned at the side of passage 25 of going down the hill away from return air, and therefore in air channel 27, wind direction comprises left and right both direction, can effectively increase air quantity and wind speed, and avoids occurring ventilation dead point.
In this embody rule, the upper crossheading 21 of the work plane 20 in exploitation all will not retain after mining.The lower crossheading 22 of this work plane 20 adopts the directed joint-cutting of presplitting to carry out cutting top gob side entry retaining, and top board is automatically caving and forms lane side, and the upper crossheading as next work plane uses.In addition, cutting in the gob side entry retaining process of top adopts anchor pole and anchor cable to carry out roof timbering, especially NPR constant-resistance anchor cable can be adopted to overcome and to balance when roof rock mass falls along the frictional force of joint-cutting, utilizing roof strata pressure and top plate portion rock mass, realizing automatic lane forming and without coal pillar mining.In this embody rule, the broken swollen rear bashing of rock of roof caving, effectively prevents the sinking of upper top board.And, adopt and cut top galianconism beam, change the confined pressure regularity of distribution.
Beneficial effect of the present invention is, the present invention compared with prior art, upper crossheading 21 and the lower crossheading 22 of the work plane 20 in the present invention in each exploitation are all communicated with belt and go down the hill passage 24, the lower crossheading 29 in subsequent work face is communicated with return air and goes down the hill passage 25, the ventilation of a production face 20 is not realized by means of only the upper crossheading 21 of this work plane and lower crossheading 22, but also can realize by the lower crossheading 29 in subsequent work face, add the ventilation of production face 20, improve ventilation speed, thus improve its performance of ventilating, to improve the safety of coal production.
Technical scheme of the present invention is disclosed as above by embodiment.The change that those skilled in the art do when should recognize the scope and spirit of the present invention disclosed in the claim do not departed from appended by the present invention and retouching, within the protection domain all belonging to claim of the present invention.
Claims (7)
1. broadwall 110 engineering method, it is characterized in that, arrange belt go down the hill passage and track of passage, return air of going down the hill to go down the hill passage, and whole panel arranges multiple work plane, upper crossheading and the lower crossheading of the work plane in each exploitation are all communicated with described belt and go down the hill passage, and this lower crossheading in this working face mining Hou Liu lane using the upper crossheading as subsequent work face, the lower crossheading in described subsequent work face is communicated with described return air and goes down the hill passage.
2. broadwall 110 engineering method as claimed in claim 1, it is characterized in that, the upper crossheading of the work plane in described exploitation is communicated with all the time with lower crossheading, and is communicated with the lower crossheading in described subsequent work face.
3. broadwall 110 engineering method as claimed in claim 2, it is characterized in that, the upper crossheading of the work plane in described exploitation all will not retain after mining.
4. broadwall 110 engineering method as described in as arbitrary in claim 1-3, is characterized in that, described in cut in the gob side entry retaining process of top and adopt the directed joint-cutting of presplitting.
5. broadwall 110 engineering method as claimed in claim 4, is characterized in that, described in cut in the gob side entry retaining process of top and adopt anchor pole and anchor cable to carry out roof timbering.
6. broadwall 110 engineering method as claimed in claim 4, it is characterized in that, the broken swollen rear bashing of rock of described roof caving, stops upper crushing.
7. broadwall 110 engineering method as claimed in claim 4, is characterized in that, adopts and cuts top galianconism beam, change the confined pressure regularity of distribution.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510707763.4A CN105178962A (en) | 2015-06-24 | 2015-10-27 | Longwall mining method 110 |
| EA201890134A EA201890134A1 (en) | 2015-06-24 | 2016-06-24 | METHOD 110 DEVELOPMENT BY LONG SLOUGHT |
| PCT/CN2016/086976 WO2016206614A1 (en) | 2015-06-24 | 2016-06-24 | Longwall mine construction method 110 |
| US15/739,338 US20180195387A1 (en) | 2015-06-24 | 2016-06-24 | Longwall mine construction method 110 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510353729 | 2015-06-24 | ||
| CN2015103537291 | 2015-06-24 | ||
| CN201510707763.4A CN105178962A (en) | 2015-06-24 | 2015-10-27 | Longwall mining method 110 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105178962A true CN105178962A (en) | 2015-12-23 |
Family
ID=54901317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510707763.4A Pending CN105178962A (en) | 2015-06-24 | 2015-10-27 | Longwall mining method 110 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20180195387A1 (en) |
| CN (1) | CN105178962A (en) |
| EA (1) | EA201890134A1 (en) |
| WO (1) | WO2016206614A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971649A (en) * | 2016-06-30 | 2016-09-28 | 中煤北京煤矿机械有限责任公司 | Whole set of supporting equipment for roof cutting entry retaining |
| WO2016206614A1 (en) * | 2015-06-24 | 2016-12-29 | 何满潮 | Longwall mine construction method 110 |
| CN111119891A (en) * | 2019-12-18 | 2020-05-08 | 永城煤电控股集团有限公司 | Long wall mining 120 method |
| CN111456794A (en) * | 2020-04-20 | 2020-07-28 | 北京中矿创新联盟能源环境科学研究院 | Ventilation method for coal mining area |
| CN111636870A (en) * | 2020-04-30 | 2020-09-08 | 王炯 | Roof-cutting roadway-retaining coal-pillar-free mining method |
| CN113530543A (en) * | 2021-06-04 | 2021-10-22 | 华能煤炭技术研究有限公司 | Entry gate crossheading roof cutting height design method and entry gate crossheading maintenance method |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145355A (en) * | 2019-06-14 | 2019-08-20 | 华北理工大学 | A kind of rubber conveyer fire smoke flow drainage device and method |
| CN111396051B (en) * | 2020-01-16 | 2021-04-13 | 中国矿业大学 | Unmanned intelligent continuous mining continuous filling water-retaining coal mining method |
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| US2651513A (en) * | 1951-02-05 | 1953-09-08 | Ramsay Erskine | Method of mining and handling coal |
| US4222612A (en) * | 1978-02-27 | 1980-09-16 | Kostovetsky Semen P | Method of mining flat-dipping and sloping beds of a mineral with hydraulic excavation |
| AU535922B2 (en) * | 1980-06-25 | 1984-04-12 | Tatabanyai Szenbanyak | Mining method |
| CN101220749A (en) * | 2007-10-25 | 2008-07-16 | 阳泉煤业（集团）有限责任公司 | Method for controlling gas of mountain angle and worked-out section by one-in one-out and alternate tail lane ventilation mode |
| CN201301723Y (en) * | 2008-11-26 | 2009-09-02 | 山西焦煤集团有限责任公司 | Fully-mechanized mining working plane ventilating structure |
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| CN105178962A (en) * | 2015-06-24 | 2015-12-23 | 何满潮 | Longwall mining method 110 |
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2015
- 2015-10-27 CN CN201510707763.4A patent/CN105178962A/en active Pending
-
2016
- 2016-06-24 US US15/739,338 patent/US20180195387A1/en not_active Abandoned
- 2016-06-24 EA EA201890134A patent/EA201890134A1/en unknown
- 2016-06-24 WO PCT/CN2016/086976 patent/WO2016206614A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101769160A (en) * | 2010-01-30 | 2010-07-07 | 山西晋城无烟煤矿业集团有限责任公司 | Y+auxiliary H-shaped ventilation system |
| CN102071958A (en) * | 2011-01-21 | 2011-05-25 | 中国矿业大学 | Inverse Y-shaped ventilation method for coal mining working face |
| CN102182460A (en) * | 2011-04-14 | 2011-09-14 | 山西晋城无烟煤矿业集团有限责任公司 | High-gas multi-roadway no-coal-pillar mining method |
| CN102287212A (en) * | 2011-09-09 | 2011-12-21 | 贾民 | Y-shaped ventilation method |
| CN102392642A (en) * | 2011-11-02 | 2012-03-28 | 王晓利 | Method for arranging roadways on coal-pillar-free stope |
| CN103233740A (en) * | 2013-04-22 | 2013-08-07 | 中国矿业大学(北京) | Top-cutting roadway coal-pillar-free mining method of close-range thin coal seam |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016206614A1 (en) * | 2015-06-24 | 2016-12-29 | 何满潮 | Longwall mine construction method 110 |
| CN105971649A (en) * | 2016-06-30 | 2016-09-28 | 中煤北京煤矿机械有限责任公司 | Whole set of supporting equipment for roof cutting entry retaining |
| CN111119891A (en) * | 2019-12-18 | 2020-05-08 | 永城煤电控股集团有限公司 | Long wall mining 120 method |
| CN111456794A (en) * | 2020-04-20 | 2020-07-28 | 北京中矿创新联盟能源环境科学研究院 | Ventilation method for coal mining area |
| CN111456794B (en) * | 2020-04-20 | 2020-12-18 | 北京中矿创新联盟能源环境科学研究院 | Ventilation method for coal mining area |
| CN111636870A (en) * | 2020-04-30 | 2020-09-08 | 王炯 | Roof-cutting roadway-retaining coal-pillar-free mining method |
| CN111636870B (en) * | 2020-04-30 | 2021-10-08 | 王炯 | Roof-cutting roadway-retaining coal-pillar-free mining method |
| CN113530543A (en) * | 2021-06-04 | 2021-10-22 | 华能煤炭技术研究有限公司 | Entry gate crossheading roof cutting height design method and entry gate crossheading maintenance method |
Also Published As
| Publication number | Publication date |
|---|---|
| US20180195387A1 (en) | 2018-07-12 |
| WO2016206614A1 (en) | 2016-12-29 |
| EA201890134A1 (en) | 2018-07-31 |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151223 |
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