CN1078301C - All thickness coal mining method for seam misplaced coal tunnel distribution on thick seam - Google Patents
All thickness coal mining method for seam misplaced coal tunnel distribution on thick seam Download PDFInfo
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- CN1078301C CN1078301C CN98100544A CN98100544A CN1078301C CN 1078301 C CN1078301 C CN 1078301C CN 98100544 A CN98100544 A CN 98100544A CN 98100544 A CN98100544 A CN 98100544A CN 1078301 C CN1078301 C CN 1078301C
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- 239000003245 coal Substances 0.000 title claims abstract description 42
- 238000005065 mining Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000000605 extraction Methods 0.000 abstract description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
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Abstract
The present invention relates to an all thickness coal mining method for seam misplaced coal tunnel distribution on a thick seam. In the seam, an air inlet coal tunnel (in general, also a conveying coal tunnel) and an air return coal tunnel which are connected with both ends of an extracting face are respectively distributed in different seam positions in the thick seam. The present invention has the advantages of simple coal tunnel distribution, easy operation, high practicality, high extraction rate and low cost of coal mining and is favorable to the solution of the problems of fire hazard prevention and cure, methane drainage, coal tunnel maintenance, etc.
Description
The present invention relates to a kind of high seam coal-mining method, particularly a kind of high seam staggered floor position roadway arrangement is adopted complete thick coal-mining method.
In the present prior art, exploitation gentle dip and inclination high seam mainly adopt separate zone production and top coal caving.There is high seam to compose the mining area of depositing in the whole nation and mostly adopts separate zone production.In recent years, obtained using comparatively widely, mainly adopted top coal caving as Lu'an Bureau of Mine, Yangquan mineral bureau, Yanzhou mining industry (group) company owing to top coal caving has highly efficient and productive advantage.Though top coal caving has highly efficient and productive advantage, exist also simultaneously that to lose coal more, the shortcoming that coal recovery rate is low.In addition, the problem of control fire, firedamp drainage, improvement dust is also even more serious than separate zone production.In the Coal Loss of top coal caving, face end and two lanes that link to each other are not therewith put coal that coal causes to decrease proportion big, and can not get for a long time solving.Owing to there is such shortcoming, the further popularization of top coal caving is restricted.No matter be separate zone production, or top coal caving, in existing production system, connect the intake and the return aircourse at stope two ends, be arranged in the same one deck position in the coal seam; Then to stay between adjacent two work planes and establish bigger coal column, satisfy the requirement of protecting the lane.This part coal column also causes loses coal, and is arranged in the tunnel of coal column, and its maintenance situation is also not so good.
The objective of the invention is provides a kind of simple, practical at above-mentioned the deficiencies in the prior art, and can improve coal recovery rate by a relatively large margin, the high seam staggered floor position roadway arrangement that more helps simultaneously solving problems such as control fire, firedamp drainage, roadway maintenance is adopted complete thick coal-mining method.
The object of the present invention is achieved like this: in the coal seam, will connect the intake (generally being haulage drift simultaneously) at stope two ends and the different layers position that the return aircourse is arranged in high seam.
The layer position of intake in the coal seam is below or above the layer position of return aircourse in this coal seam.When seam inclination hour, intake is along the high seam backplane, the return aircourse arranges that along the high seam top board when seam inclination was big, intake arranged that along roof the return aircourse is along the high seam backplane.Back production finish under the stable goaf of a work plane, arrange intake or return aircourse.
In the present invention, owing to adopted the roadway arrangement mode of staggered layers position, thus make the top coal in insoluble termination of existing top coal caving and two lanes be able to extraction; Also, improved the rate of extraction, reduced disaster hidden-trouble coal column (strip coal pillar when section coal pillar or the inclination broadwall) extraction that needs to stay under existing top coal caving and the separate zone production condition between adjacent two work planes of establishing.Because air intake or return aircourse near the goaf are arranged under the stable goaf, are positioned at stress relaxed area, corresponding another return aircourse or intake arrange along roof, like this to the driving in two tunnels with safeguard all very favourable.In most of the cases, the return aircourse is arranged along roof, helps firedamp drainage.
Advantage of the present invention is: roadway arrangement is simple, easily row, practical, the rate of extraction is high, mining costs is low, more helps solving difficult problems such as control fire, firedamp drainage and roadway maintenance.
Fig. 1 be seam inclination hour, the roadway arrangement schematic diagram.
Fig. 2 is seam inclination when big, the roadway arrangement schematic diagram.
The present invention is further illustrated below in conjunction with accompanying drawing.
As shown in Figure 1, after a last working face extraction finishes, under its return aircourse (4) and stable goaf (6) thereof, tunnel the intake (1) of this work plane (3) along seat earth (7), be triangle coal column (5) between an intake (1) and the last work plane goaf (6), tunnel the return aircourse (2) of this work plane (3) along roof (9), the layer position in 2 air way roads (2) is higher than the layer position of intake (1), stope mainly adopts existing caving mining technology to emit top coal (8), local location can be according to the needs of digging laneway under the goaf, be aided with measures such as lapping or notes oar, after waiting to have adopted this work plane, can adopt next work plane, back production is carried out as shown in Figure 1 by that analogy in the position of the intake of next stope (10).Stope can advance by across pitch, also can be determined on a case-by-case basis along tilting to advance.
As shown in Figure 2, the inclination angle of high seam is bigger, after a last working face extraction finishes, under its intake (14) and stable goaf (16) thereof, along seat earth (17) driving return aircourse (12), be triangle coal column (15) between return aircourse (12) and goaf (1 6), the intake (11) of this work plane (13) arranges that along roof (19) top board (19) is top coal (18) down.The return aircourse of next stope (20) is in this work plane intake (11) bottom.
Claims (4)
1, high seam staggered floor position roadway arrangement is adopted complete thick coal-mining method, it is characterized in that: in the coal seam, will connect the intake at stope two ends and the different layers position that the return aircourse is arranged in high seam.
2, high seam staggered floor according to claim 1 position roadway arrangement is adopted complete thick coal-mining method, it is characterized in that: the layer position in this high seam of intake place is below or above the layer position in this high seam of place, return aircourse.
3, high seam staggered floor according to claim 1 and 2 position roadway arrangement is adopted complete thick coal-mining method, it is characterized in that: when seam inclination hour, intake is along the high seam backplane, the return aircourse is arranged along the high seam top board, when seam inclination is big, intake arranges that along roof the return aircourse is along the high seam backplane.
4, high seam staggered floor according to claim 1 and 2 position roadway arrangement is adopted complete thick coal-mining method, it is characterized in that: back production finish under the stable goaf of a work plane, arrange intake or return aircourse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98100544A CN1078301C (en) | 1998-02-18 | 1998-02-18 | All thickness coal mining method for seam misplaced coal tunnel distribution on thick seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98100544A CN1078301C (en) | 1998-02-18 | 1998-02-18 | All thickness coal mining method for seam misplaced coal tunnel distribution on thick seam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1190693A CN1190693A (en) | 1998-08-19 |
| CN1078301C true CN1078301C (en) | 2002-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN98100544A Expired - Lifetime CN1078301C (en) | 1998-02-18 | 1998-02-18 | All thickness coal mining method for seam misplaced coal tunnel distribution on thick seam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100590295C (en) * | 2004-02-10 | 2010-02-17 | 中国矿业大学（北京校区） | Three-section type stoping process for full-height mining of thick coal seam |
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| CN100356036C (en) * | 2003-03-18 | 2007-12-19 | 淮南矿业(集团)有限责任公司 | Method for pumping out gas from mining coal layer roof |
| CN101876253A (en) * | 2009-04-29 | 2010-11-03 | 宝钢集团新疆八一钢铁有限公司 | Working surface layout method for mining steeply dipping coal seam |
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| CN101967975B (en) * | 2010-09-30 | 2012-11-21 | 大同煤矿集团有限责任公司 | Fully-mechanized caving mining process technology with large mining height in super-high seam (14-20m) |
| CN102392681A (en) * | 2011-10-14 | 2012-03-28 | 中国矿业大学 | Scour protection arrangement method of gateway of adjacent hollow area at thick coal seam |
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| CN103061765B (en) * | 2012-12-14 | 2015-02-18 | 北京昊华能源股份有限公司 | Z type horizontal stratification top coal caving coal mining method in half-edge thick coal seam |
| CN103266893B (en) * | 2013-05-08 | 2015-08-12 | 中国矿业大学(北京) | Without the application of coal column coal-mining method in lower protective seam mining |
| CN105317438B (en) * | 2015-11-09 | 2017-10-13 | 中国矿业大学(北京) | The pre- coal-mining method for adopting the broken top coal of layering in the middle part of a kind of super high seam |
| CN106437744A (en) * | 2016-09-26 | 2017-02-22 | 中国矿业大学(北京) | Combined supporting method achieving inclined coal seam double-roadway arrangement and three-dimensional tunneling |
| CN107060763A (en) * | 2017-07-03 | 2017-08-18 | 中国矿业大学(北京) | A kind of method for realizing pole close-in seamses economy, safety and high-efficiency mining |
| CN109723439A (en) * | 2017-10-30 | 2019-05-07 | 中国矿业大学(北京) | The method of super high seam full-seam mining Coal Mining Equipment Complement |
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| CN108086978B (en) * | 2017-12-18 | 2019-12-10 | 太原理工大学 | Coal mining method suitable for deep well extra-thick coal seam |
| CN108442929A (en) * | 2018-03-21 | 2018-08-24 | 中国矿业大学(北京) | Wrong formula longwall top coal caving is along top arrangement drilling presplitting top coal outside high seam staggered floor position |
| CN108843354A (en) * | 2018-06-22 | 2018-11-20 | 太原理工大学 | A kind of inclined super high seam lane top asymmetric anchor stalk method for protecting support of gob side entry driving |
| CN108952716B (en) * | 2018-06-22 | 2020-06-09 | 太原理工大学 | Thick coal seam longwall working face multi-lane arrangement method |
| CN108952715B (en) * | 2018-06-22 | 2020-05-05 | 太原理工大学 | Gob-side entry driving top coal supporting and reinforcing method for inclined thick/extra-thick coal seam entry top |
| CN109763822A (en) * | 2019-01-21 | 2019-05-17 | 西安科技大学 | Face in steep thick coal seam Multi sectional is without coal column placement method between coal column staggered floor Hu Xiang and section |
| CN110080767B (en) * | 2019-04-03 | 2020-11-10 | 太原理工大学 | Overlap joint arrangement method for layered mining working face of thick coal seam |
| CN112377194A (en) * | 2020-11-06 | 2021-02-19 | 窑街煤电集团有限公司 | Method for preventing rock burst by staggered arrangement of mining working face roadway |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1656124A1 (en) * | 1988-07-11 | 1991-06-15 | Институт угля СО АН СССР | Method for mining thick steeply deeping coal seam with stowing |
| SU1659657A1 (en) * | 1989-07-20 | 1991-06-30 | Всесоюзный научно-исследовательский и проектно-конструкторский угольный институт "КузНИУИ" | Method of mining thick steep and sloping coal seams |
| CN1067705A (en) * | 1991-06-14 | 1993-01-06 | 王晓利 | Funnel work plane medium-thickness seam exploitation method |
-
1998
- 1998-02-18 CN CN98100544A patent/CN1078301C/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1656124A1 (en) * | 1988-07-11 | 1991-06-15 | Институт угля СО АН СССР | Method for mining thick steeply deeping coal seam with stowing |
| SU1659657A1 (en) * | 1989-07-20 | 1991-06-30 | Всесоюзный научно-исследовательский и проектно-конструкторский угольный институт "КузНИУИ" | Method of mining thick steep and sloping coal seams |
| CN1067705A (en) * | 1991-06-14 | 1993-01-06 | 王晓利 | Funnel work plane medium-thickness seam exploitation method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100590295C (en) * | 2004-02-10 | 2010-02-17 | 中国矿业大学（北京校区） | Three-section type stoping process for full-height mining of thick coal seam |
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| Publication number | Publication date |
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| CN1190693A (en) | 1998-08-19 |
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