CN106988778A - A kind of low preservation, the high three-dimensional administering method of the gas gushed out point source partition - Google Patents
A kind of low preservation, the high three-dimensional administering method of the gas gushed out point source partition Download PDFInfo
- Publication number
- CN106988778A CN106988778A CN201710352013.9A CN201710352013A CN106988778A CN 106988778 A CN106988778 A CN 106988778A CN 201710352013 A CN201710352013 A CN 201710352013A CN 106988778 A CN106988778 A CN 106988778A
- Authority
- CN
- China
- Prior art keywords
- gas
- working face
- face
- extraction
- goaf
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000005192 partition Methods 0.000 title claims abstract description 23
- 238000004321 preservation Methods 0.000 title claims abstract description 20
- 238000005086 pumping Methods 0.000 claims abstract description 66
- 238000000605 extraction Methods 0.000 claims abstract description 61
- 238000005553 drilling Methods 0.000 claims abstract description 48
- 239000003245 coal Substances 0.000 claims abstract description 35
- 239000011435 rock Substances 0.000 claims abstract description 16
- 239000007789 gas Substances 0.000 claims description 157
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 40
- 229910052757 nitrogen Inorganic materials 0.000 claims description 20
- 238000005065 mining Methods 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000007812 deficiency Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The present invention relates to ahead work face coal and rock rupture zone, working face and work face goaf during super high seam top coal caving, and the pumping method in neighbouring work face goaf different zones gas source, specially a kind of low preservation, the high three-dimensional administering method of the gas gushed out point source partition.Invent the low preservation, the three-dimensional administering method tool advantages below of the high gas gushed out point source partition：1）By the continuous mash gas pumping drilling of arrangement, gas pumping tunnel and move towards extraction borehole, extraction can be carried out to the gas in this ahead work face coal and rock rupture zone, this working face, this work face goaf different zones, at utmost reduce this face gas concentration；2）The invention can at any time to this working face deep goaf gas carry out extraction, overcome traditional extraction way can not this working face of extraction deep goaf gas deficiency.
Description
Technical field
The present invention relates to ahead work face coal and rock rupture zone, working face and work during super high seam top coal caving
Face goaf, and the pumping method adjacent to work face goaf different zones gas source, specially a kind of low preservation, height are gushed out
The three-dimensional administering method of gas point source partition.
Background technology
Gas is the killer of colliery first, although coal mine gas explosion declines to a great extent year by year in recent years, but the proportion shared by it
Still larger, particularly serious gas accident happens occasionally, and seriously constrains resource high-efficiency exploitation.Improvement at present for gas is main
It is that based on pre-mining drainage, the Treatment process means can effectively reduce coal seam gas-bearing capacity in advance, reduce working face seam mining
The gas exceeding limit frequency afterwards, current technology is the technical way that gas is administered in colliery.Though and China some areas coal seam
Gas bearing content is low, but seam mining intensity is big, working face layout is high, now using the advanced technological means extraction effect taken out in advance
Really poor, this is resulted in when gas large area parsing release in coal seam during the high tension coal mining of coal seam, and face gas, which transfinites, asks
Topic is protruded, and great hidden danger is caused to mine safety production.
By taking the Tashan Mountain colliery of China Datong Mine Area as an example, tunnel passing through solution cavity in Taishan mine is typical super high seam present low gas occurrence condition, main coal mining
Layer average thickness 15.47m, gas bearing capacity 2.0m3/t（Standard after far smaller than national gas drainage under suction）, using mining
Exploitation, the Full-mechanized Mining Face daily output is up to 4~50,000 tons.Seam mining causes coal petrography to move on a large scale, is adopting and coal body watt
Under this pressure combined influence, mining-induced fissure field is superimposed with initial fissure, and gas appearance is unordered to be gathered, gushes out, and causes present low gas
Coal seam gushes out in recovery process massive gas, and Gas is up to 50m3/min.Because gas bearing concentration is low, difficulty is taken out in advance
Greatly, but fast by being parsed after mining influence, outburst amount is high, causes the improvement of " present low gas preservation, high gas emission " extremely difficult.
Therefore, need to be furtherd investigate and controlled for the gas control under the conditions of such, this safety to working face
Efficiently production has great importance.Gas " low preservation, height are gushed out " problem that the present invention is brought for coal seam high tension coal mining,
A kind of low preservation, the high three-dimensional administering method of the gas gushed out point source partition are provided, by being disposed vertically downward continuously from ground
Mash gas pumping drilling, in face roof arrangement gas pumping tunnel, moves towards extraction borehole and carrys out extraction ahead work face coal and rock
The gas source of the different enrichment regions of rupture zone, working face, goaf and vertical direction, and it is vertical from neighbouring working face earth's surface arrangement
Mash gas pumping drilling carries out mash gas extraction, while underground carries out note nitrogen to neighbouring goaf, reaches to neighbouring goaf gas source
Extraction.This point of source partition gas pumping technical system can at utmost reduce gas density, reach control effect.
The content of the invention
There is provided one kind for problem in order to solve the gas in super high seam top coal caving " low preservation, height are gushed out " by the present invention
Low preservation, the high three-dimensional administering method of the gas gushed out point source partition, advantageously ensure that the safe working in colliery.
The present invention is achieved by the following technical solutions：A kind of low preservation, the high gas gushed out point source partition solid are controlled
Reason method, comprises the following steps：
A. it is disposed vertically downward continuous first gas of a row from earth's surface in this working face mining forward position this advance of the face direction
Extraction borehole, according to this advance of the face position, at least ensures three the first mash gas pumping drillings to this working face bottom
Work simultaneously, respectively to this close work in this ahead work face coal and rock burst region, this working face and this work face goaf
Make in these three regions of face region, at least close to this in this ahead work face coal and rock burst region and this work face goaf
The gas in the two regions of working face region carries out extraction；
B. neighbouring this working face goaf gas source is directed to, if being disposed vertically downward first from neighbouring this work face goaf earth's surface
The second gas is opened to neighbouring this work face goaf position in dry second mash gas pumping drilling, the second mash gas pumping drilling bottom
Extraction borehole is to extraction state, while from the return airway arrangement drilling note nitrogen pipeline of this working face to neighbouring this work face goaf
It is interior, note nitrogen is carried out to neighbouring this work face goaf by the note nitrogen pipeline that drills, the gas of neighbouring this work face goaf is realized
Gas pumping is replaced and leaves, the extraction of this working face and its neighboring area and neighbouring this working face goaf gas is in level side
To realizing point source partition extraction of different zones gas；
C. in the range of this face roof caving zone, gas pumping tunnel is arranged parallel to this advance of the face direction, to this
Gas in the range of working face caving zone carries out extraction；
D. in the range of this face roof fissure zone, mash gas pumping drilling is moved towards parallel to this advance of the face direction arrangement,
Extraction is carried out to the gas in the range of this working face fissure zone, the extraction of caving zone and fissure zone gas is realized in vertical direction
Point source partition of different rich region gas is administered, and three-dimensional gas point source point is together form with horizontal direction gas pumping arrangement
Area administers system；
If e. find that gas density is higher in this working face and its neighboring area in recovery process, more, even institute is opened
Some mash gas pumping drillings, while increasing the note nitrogen quantity of drilling note nitrogen pipeline；
F. using this pumping method until this working face extraction terminates, during next neighbouring working face mining, using same improvement
Method carries out extraction to the gas source of next neighbouring working face different zones, leaves gas source for this work face goaf, together
Sample notes nitrogen by using underground, and the method for the second mash gas pumping drilling extraction is administered.
Low preservation of the present invention, the three-dimensional administering method tool advantages below of the high gas gushed out point source partition：1）Pass through cloth
The continuous mash gas pumping drilling put, gas pumping tunnel and extraction borehole is moved towards, this ahead work face coal and rock can be ruptured
Area, this working face, the gas in the different zones of this work face goaf carry out extraction, at utmost reduce this face gas
Concentration；2）The invention can carry out extraction to this working face deep goaf gas at any time, and overcoming traditional extraction way can not take out
Adopt the deficiency of this working face deep goaf gas；3）Overlying strata cranny development after seam mining, as vertical drilling and the neighbour of arrangement
After nearly this working face overburden of the goaf crack is linked up, this working face extraction borehole can enter to neighbouring working face goaf gas simultaneously
Row extraction, the mash gas pumping drilling arranged in addition adjacent to this work face goaf etc., substantially increase this neighbouring working face mined out
Area's gas pumping effect, reduces neighbouring influence of this working face goaf gas source to this working face；4）That continuously arranges hangs down
Straight extraction borehole, gas pumping tunnel and move towards extraction borehole and can at any time be regulated and controled according to Gas situation, using convenient,
Extraction efficiency high, it is ensured that the safety and high efficiency of working face, has a extensive future.
Brief description of the drawings
Fig. 1 is the arrangement schematic diagram of administering method of the present invention.
Fig. 2 is Fig. 1 A-A sectional views.
In figure：This working face of 1-, the mash gas pumping drillings of 2-1 first, the mash gas pumping drillings of 2-2 second, 3- this working face coals
Layer, this work of 4- face goaf, 5- is adjacent to this work face goaf, 6- drilling note nitrogen pipelines, 7- gas pumpings tunnel, 8- trends
Extraction borehole, 9- return airways, 10- air intake lanes.
Embodiment
Below by taking the gas pumping that Datong Mine Area super high seam is exploited as an example, present invention work is further retouched with reference to accompanying drawing
State：
50m is spaced vertically downward from earth's surface in the exploitation direction of propulsion of this working face of forward position 1 of this working face 1 arrange that a row is continuous first
The first mash gas pumping drilling 2-1 to the bottom of this working face coal seam 3, the length 200m of this working face 1, the thickness of this working face coal seam 3
20m, the first mash gas pumping drilling 2-1 and return airway 9 promote position according to this working face 1, at least ensure three apart from for 50m
First mash gas pumping drilling 2-1 works simultaneously, respectively to the advanced coal and rock burst region of this working face 1, this working face 1 and this work
Make in face goaf 4 in these three regions of the region of this working face 1, at least the advanced coal and rock burst region of this working face 1
Extraction is carried out with the gas in this work face goaf 4 close to the two regions of region of this working face 1.
It is so-called in the present invention " respectively to the advanced coal and rock burst region of this working face 1, this working face 1 and this working face
In goaf 4 in these three regions of the region of this working face 1, at least the advanced coal and rock burst region of this working face 1 and this
Gas in work face goaf 4 close to the two regions of region of this working face 1 carries out extraction " refer to due to this working face 1
Peak width be likely lower than the first mash gas pumping drilling 2-1 spacing（As shown in Figure 1）, in order at utmost reduce this work
Make in the gas density of face 1, the advanced coal and rock burst region of this working face 1 and this work face goaf 4 close to the region of this working face 1
It is working condition to have at least one first mash gas pumping drilling 2-1 respectively；If if thering is the first gas to take out just in this working face 1
Borehole 2-1, then open first mash gas pumping drilling 2-1；If if just without the first mash gas pumping drilling in working face 1
2-1, then the working quantity of the first mash gas pumping drilling 2-1 in two other region can be increased according to gas source concentration.
For the adjacent work gas source of face goaf 5, first from the neighbouring earth's surface of this work face goaf 5 cloth vertically downward
Put the second mash gas pumping drilling 2-2, the second mash gas pumping drilling 2-2 bottoms open the to the adjacent work position of face goaf 5
Two mash gas pumping drilling 2-2 are to extraction state, while noting nitrogen pipeline 6 to adjacent to this from the arrangement drilling of return airway 9 of this working face 1
Work in face goaf 5, note nitrogen is carried out to neighbouring this work face goaf 5 by the note nitrogen pipeline 6 that drills, neighbouring goaf is realized
5 gas displacement and gas pumping is left, this working face 1 and its neighboring area（Including the advanced coal and rock rupture zone of this working face 1
Close to the two regions of the region of this working face 1 in domain and this work face goaf 4）With neighbouring this work face goaf 5 gas
Extraction realizes point source partition extraction of different zones gas in the horizontal direction.
In the range of the roof collapse band of this working face 1, gas pumping tunnel 7 is arranged parallel to the direction of propulsion of this working face 1,
To the gas progress extraction in the range of the caving zone of this working face 1, the horizontal range of gas pumping tunnel 7 and return airway 9 is 20m；
In the range of the roof fracture band of this working face 1, mash gas pumping drilling 8 is moved towards parallel to the direction of propulsion of this working face 1 arrangement, to this
Gas in the range of the fissure zone of working face 1 carries out extraction, and the horizontal range for moving towards extraction borehole 8 and return airway 9 is 40m, trend
Extraction borehole 8 arranges that the extraction of caving zone and fissure zone gas is realized not in vertical direction using underground concordant high drainage roadway
Point source partition with rich region gas is administered, and three-dimensional gas point source partition is together form with horizontal direction gas pumping arrangement
Improvement system.
If find that gas density is higher in this working face 1 and its neighboring area in recovery process, open more, even
All mash gas pumping drillings, while increasing the note nitrogen quantity of drilling note nitrogen pipeline 6.
Using this pumping method until the back production of this working face 1 terminates, during next neighbouring working face mining, controlled using same
Reason method carries out extraction to the gas source of next neighbouring working face different zones（Now next neighbouring working face becomes cost working face
1）, gas source is left for this work face goaf 4（Now this work face goaf 4 becomes adjacent work face goaf 5）,
Nitrogen is noted again by using underground, the method for the second mash gas pumping drilling 2-2 extractions is administered.
Above-mentioned technical proposal it is targeted be the exploitation of Datong Mine Area super high seam gas pumping, but skill of the present invention
Art scheme is never only only applicable to the seam mining.Those skilled in the art can be according to specific coal seam thickness and coal-bed gas
The factors such as preservation content, adjust above-mentioned parameter（Such as distance or quantity）Setting.
Specifically, adjacent first mash gas pumping drilling 2-1 distance is relevant with coal seam thickness and coal-bed gas preservation content,
Typically take 40 ~ 80m；Certainly, if gas bearing content is high, apart from short；If gas bearing content, distance.
During concrete application, the plan-position of the first mash gas pumping drilling 2-1 arrangements is close to the return airway 9 of working face 1, with return air
Lane 9 is apart from 1/4 for the length of working face 1.
Further, the horizontal range of gas pumping tunnel 7 and return airway 9 is 15 ~ 25m, positioned at the cover rock caving of working face 1
Band scope.
Further, the horizontal range for moving towards extraction borehole 8 and return airway 9 is generally 30 ~ 50m, positioned at the overlying strata of working face 1
Fissure zone scope, underground concordant high drainage roadway or the drilling of ground L-type can be arranged by moving towards extraction borehole 8.
The present invention is when it is implemented, gas pumping tunnel 7 and moving towards extraction borehole 8 and being exported by air return system to earth's surface.
In the present invention, this described working face deep goaf refers to that this working face away from this working face 1 is mined out
The region of area 4.When it is implemented, extraction can be carried out to this working face deep goaf gas at any time, traditional extraction way is overcome
Can not this working face of extraction deep goaf gas deficiency.
Above-described embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. all should be included
Within protection scope of the present invention.
Claims (6)
1. a kind of low preservation, the high three-dimensional administering method of the gas gushed out point source partition, it is characterised in that comprise the following steps：
A. in this working face（1）Exploit this working face of forward position（1）Direction of propulsion is disposed vertically downward a row continuous from earth's surface
One mash gas pumping drilling（2-1）To this working face coal seam（3）Bottom, according to this working face（1）Position is promoted, at least ensures three
First mash gas pumping drilling（2-1）Work simultaneously, respectively to this working face（1）Advanced coal and rock burst region, this working face（1）
With this work face goaf（4）This interior close working face（1）In these three regions of region, at least this working face（1）Advanced coal
Rock masses fracturing region and this work face goaf（4）This interior close working face（1）The gas in the two regions of region carries out extraction；
B. it is directed to neighbouring this work face goaf（5）Gas source, first from neighbouring this work face goaf（5）Earth's surface is vertically downward
Arrange some second mash gas pumping drillings（2-2）, the second mash gas pumping drilling（2-2）Bottom to neighbouring this work face goaf
（5）Position, opens the second mash gas pumping drilling（2）To extraction state, while from this working face（1）Return airway（9）Arrangement is bored
Note nitrogen pipeline in hole（6）To neighbouring this work face goaf（5）It is interior, pass through the note nitrogen pipeline that drills（6）It is mined out to this neighbouring working face
Area（5）Note nitrogen is carried out, neighbouring this work face goaf is realized（5）Gas displacement and leave gas pumping, this working face（1）And
Its neighboring area and neighbouring this work face goaf（5）The extraction of gas realizes point source of different zones gas in the horizontal direction
Subregion extraction；
C. in this working face（1）In the range of roof collapse band, parallel to this working face（1）Direction of propulsion arrangement gas pumping tunnel
（7）, to this working face（1）Gas in the range of caving zone carries out extraction；
D. in this working face（1）In the range of roof fracture band, parallel to this working face（1）Direction of propulsion arrangement moves towards gas pumping
Drilling（8）, to this working face（1）Gas in the range of fissure zone carries out extraction, and the extraction of caving zone and fissure zone gas is being hung down
Nogata is administered to point source partition for realizing different rich region gas, together form with horizontal direction gas pumping arrangement vertical
Body gas point source partition administers system；
If e. finding this working face in recovery process（1）And in its neighboring area when gas density is higher, open more, even
All mash gas pumping drillings, while increasing drilling note nitrogen pipeline（6）Note nitrogen quantity；
F. using this pumping method until this working face（1）Back production terminates, and during next neighbouring working face mining, is controlled using same
Reason method carries out extraction to the gas source of next neighbouring working face different zones, for this work face goaf（4）Leave gas
Source, nitrogen, the second mash gas pumping drilling are noted again by using underground（2-2）The method of extraction is administered.
2. a kind of low preservation according to claim 1, the high three-dimensional administering method of the gas gushed out point source partition, its feature exist
In adjacent first mash gas pumping drilling（2-1）Distance be 40 ~ 80m.
3. a kind of low preservation according to claim 1, the high three-dimensional administering method of the gas gushed out point source partition, its feature exist
In the first mash gas pumping drilling（2-1）The plan-position of arrangement is close to working face（1）Return airway（9）, with return airway（9）Distance
For working face（1）The 1/4 of length.
4. a kind of low preservation according to claim 1, the high three-dimensional administering method of the gas gushed out point source partition, its feature exist
In gas pumping tunnel（7）With return airway（9）Horizontal range be 15 ~ 25m.
5. a kind of low preservation according to claim 1, the high three-dimensional administering method of the gas gushed out point source partition, its feature exist
In moving towards extraction borehole（8）With return airway（9）Horizontal range be 30 ~ 50m.
6. a kind of low preservation according to claim 5, the high three-dimensional administering method of the gas gushed out point source partition, its feature exist
In moving towards extraction borehole（8）It is arranged as underground concordant high drainage roadway or the drilling of ground L-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710352013.9A CN106988778B (en) | 2017-05-18 | 2017-05-18 | A kind of low preservation, the high gas gushed out divide source partition solid administering method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710352013.9A CN106988778B (en) | 2017-05-18 | 2017-05-18 | A kind of low preservation, the high gas gushed out divide source partition solid administering method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106988778A true CN106988778A (en) | 2017-07-28 |
| CN106988778B CN106988778B (en) | 2019-03-08 |
Family
ID=59420026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710352013.9A Active CN106988778B (en) | 2017-05-18 | 2017-05-18 | A kind of low preservation, the high gas gushed out divide source partition solid administering method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106988778B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107503789A (en) * | 2017-07-31 | 2017-12-22 | 山西晋城无烟煤矿业集团有限责任公司 | Low gaseous mine high-productivity faces gas ground extraction method |
| CN107859530A (en) * | 2017-11-07 | 2018-03-30 | 中国矿业大学(北京) | A kind of ultra close distance coal seam exploitation gas controls method altogether with coal spontaneous combustion |
| CN108468561A (en) * | 2018-03-20 | 2018-08-31 | 中国矿业大学(北京) | The method that coal and gas power phenomenon improves drilling well mash gas extraction concentration and preventing mine fire |
| CN109898992A (en) * | 2019-03-14 | 2019-06-18 | 安徽建筑大学 | It is a kind of that disaster-ridden source ore bed safe working method is administered using surface orientation drilling in advance |
| CN111075502A (en) * | 2020-02-18 | 2020-04-28 | 太原理工大学 | Method for preventing coal mine water and gas spray holes |
| CN110043309B (en) * | 2019-05-29 | 2020-07-28 | 中国煤炭地质总局勘查研究总院 | Arrangement method for closing gas extraction well of coal mine and well body installation method |
| CN112012783A (en) * | 2020-08-07 | 2020-12-01 | 太原理工大学 | Anti-damage ground drilling gas extraction method |
| CN112012782A (en) * | 2020-07-15 | 2020-12-01 | 陕西麟北煤业开发有限责任公司 | Advanced closed area gas prevention and control technology for air inlet and return roadway of fully mechanized caving face |
| CN112796730A (en) * | 2021-02-08 | 2021-05-14 | 太原理工大学 | Method for laying ground drilling well pattern in multi-horizontal cross-production area |
| CN113586134A (en) * | 2021-09-08 | 2021-11-02 | 晋能控股山西科学技术研究院有限公司 | Method for treating gas by hole-lane-replacement combined drainage on coal seam working face |
| CN115030719A (en) * | 2022-04-26 | 2022-09-09 | 重庆大学 | Method for preventing and controlling rock burst by combining hydraulic fracturing of thick and hard rock stratum with pressure relief of coal seam |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094669A (en) * | 2010-12-24 | 2011-06-15 | 中国矿业大学 | Three-dimensional source separated pressure-releasing gas treatment method |
| CN102094671A (en) * | 2011-02-27 | 2011-06-15 | 山东新矿赵官能源有限责任公司 | Three-dimensional gas extraction method for coal seams with low-permeability and low possibility of gas extraction |
| CN103016047A (en) * | 2012-12-20 | 2013-04-03 | 大同煤矿集团有限责任公司 | Method of draining gas in gob through long drill hole in roof trend on fully mechanized caving face |
| US8740310B2 (en) * | 2008-06-20 | 2014-06-03 | Solvay Chemicals, Inc. | Mining method for co-extraction of non-combustible ore and mine methane |
| CN104500129A (en) * | 2014-12-18 | 2015-04-08 | 大同煤矿集团有限责任公司 | Comprehensive extraction method suitable for gas drainage of large-mining-height working face |
-
2017
- 2017-05-18 CN CN201710352013.9A patent/CN106988778B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8740310B2 (en) * | 2008-06-20 | 2014-06-03 | Solvay Chemicals, Inc. | Mining method for co-extraction of non-combustible ore and mine methane |
| CN102094669A (en) * | 2010-12-24 | 2011-06-15 | 中国矿业大学 | Three-dimensional source separated pressure-releasing gas treatment method |
| CN102094671A (en) * | 2011-02-27 | 2011-06-15 | 山东新矿赵官能源有限责任公司 | Three-dimensional gas extraction method for coal seams with low-permeability and low possibility of gas extraction |
| CN103016047A (en) * | 2012-12-20 | 2013-04-03 | 大同煤矿集团有限责任公司 | Method of draining gas in gob through long drill hole in roof trend on fully mechanized caving face |
| CN104500129A (en) * | 2014-12-18 | 2015-04-08 | 大同煤矿集团有限责任公司 | Comprehensive extraction method suitable for gas drainage of large-mining-height working face |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107503789A (en) * | 2017-07-31 | 2017-12-22 | 山西晋城无烟煤矿业集团有限责任公司 | Low gaseous mine high-productivity faces gas ground extraction method |
| CN107503789B (en) * | 2017-07-31 | 2019-07-02 | 山西晋城无烟煤矿业集团有限责任公司 | Low gaseous mine high-productivity faces gas ground extraction method |
| CN107859530A (en) * | 2017-11-07 | 2018-03-30 | 中国矿业大学(北京) | A kind of ultra close distance coal seam exploitation gas controls method altogether with coal spontaneous combustion |
| CN108468561A (en) * | 2018-03-20 | 2018-08-31 | 中国矿业大学(北京) | The method that coal and gas power phenomenon improves drilling well mash gas extraction concentration and preventing mine fire |
| CN109898992A (en) * | 2019-03-14 | 2019-06-18 | 安徽建筑大学 | It is a kind of that disaster-ridden source ore bed safe working method is administered using surface orientation drilling in advance |
| CN110043309B (en) * | 2019-05-29 | 2020-07-28 | 中国煤炭地质总局勘查研究总院 | Arrangement method for closing gas extraction well of coal mine and well body installation method |
| CN111075502A (en) * | 2020-02-18 | 2020-04-28 | 太原理工大学 | Method for preventing coal mine water and gas spray holes |
| CN112012782A (en) * | 2020-07-15 | 2020-12-01 | 陕西麟北煤业开发有限责任公司 | Advanced closed area gas prevention and control technology for air inlet and return roadway of fully mechanized caving face |
| CN112012783A (en) * | 2020-08-07 | 2020-12-01 | 太原理工大学 | Anti-damage ground drilling gas extraction method |
| CN112796730A (en) * | 2021-02-08 | 2021-05-14 | 太原理工大学 | Method for laying ground drilling well pattern in multi-horizontal cross-production area |
| CN112796730B (en) * | 2021-02-08 | 2022-04-12 | 太原理工大学 | Method for laying ground drilling well pattern in multi-horizontal cross-production area |
| CN113586134A (en) * | 2021-09-08 | 2021-11-02 | 晋能控股山西科学技术研究院有限公司 | Method for treating gas by hole-lane-replacement combined drainage on coal seam working face |
| CN113586134B (en) * | 2021-09-08 | 2024-04-26 | 晋能控股山西科学技术研究院有限公司 | Method for controlling gas by hole-instead-of-lane combined drainage on coal seam working face |
| CN115030719A (en) * | 2022-04-26 | 2022-09-09 | 重庆大学 | Method for preventing and controlling rock burst by combining hydraulic fracturing of thick and hard rock stratum with pressure relief of coal seam |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106988778B (en) | 2019-03-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106988778B (en) | A kind of low preservation, the high gas gushed out divide source partition solid administering method | |
| CN108612530B (en) | Mining method for hanging wall surrounding rock crushing inclined medium-thickness ore body | |
| CN108442930B (en) | A kind of Medium Thickness And Medium Slope Angle metal ore mining methods | |
| US8740310B2 (en) | Mining method for co-extraction of non-combustible ore and mine methane | |
| CN104989404B (en) | It is pseudo- in Steeply dipping narrow deposits arteries and veins to tilt ore deposit Medium-long hole mining method | |
| CN101725352B (en) | Method for filling solid and fully mechanizing and recovering room type coal pillar | |
| CN105626071B (en) | Mining method for gently inclined thin ore body | |
| CN106930763B (en) | A method of the filling residual mining area roadway support coal column of second mining super high seam | |
| CN109763822A (en) | Face in steep thick coal seam Multi sectional is without coal column placement method between coal column staggered floor Hu Xiang and section | |
| CN102352769A (en) | Integrated mining method for commonly mining coal and gas of high mine | |
| CN104481578B (en) | A kind of high gas layer large-mining-height working surface mash gas harnessing method | |
| CN106121648A (en) | Sublevel open stoping chassis route ore drawing subsequent filling mining method | |
| CN101126316A (en) | Long-wall integrated-extraction reclaiming room-type coal column mining method | |
| CN103161492A (en) | Gas extraction well location method based on overlying rock fracture shell | |
| CN103485786B (en) | A kind of half-edge coal seam moves towards longwall machinery and melts mining method | |
| CN107120137B (en) | A kind of coal roadway tunneling is along seat earth Deephole pre-splitting blasting pumping method | |
| CN102587960A (en) | Arrangement method of high gas coal seam extraction working face roadway | |
| CN105927269A (en) | Gas control method of outburst coal seam | |
| CN104806285A (en) | Coal mine goaf gas control method based on ground horizontal well | |
| CN204678995U (en) | The advanced pre-quick-fried big gun pore structure of severe inclined thick coal seam exploitation top coal | |
| CN104727847B (en) | Filled wall is from the gob-side entry retaining method without coal column eliminated | |
| CN104265291A (en) | Comprehensive mechanized coal mining method of steeply inclined and extremely thick coal seam planing conveyor | |
| CN107503790B (en) | Fast extraction fully mechanized coal face comprehensive gas drainage arranges administering method | |
| CN110894794B (en) | Comprehensive treatment method for gas on fully mechanized caving face of three-soft extra-thick coal seam | |
| CN101915099A (en) | Bidirectional U-shaped coal-mining method of thick coal bed by gateway layout along stability layer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |