CN106089234B - A kind of method of the auxiliary lane multichannel Quick-return fully-mechanized mining working of long range - Google Patents
A kind of method of the auxiliary lane multichannel Quick-return fully-mechanized mining working of long range Download PDFInfo
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- CN106089234B CN106089234B CN201610557466.0A CN201610557466A CN106089234B CN 106089234 B CN106089234 B CN 106089234B CN 201610557466 A CN201610557466 A CN 201610557466A CN 106089234 B CN106089234 B CN 106089234B
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- haulage drift
- stopping
- connection roadway
- mechanized mining
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- 238000005065 mining Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000012544 monitoring process Methods 0.000 claims abstract description 17
- 244000309464 bull Species 0.000 claims abstract description 8
- 239000003245 coal Substances 0.000 claims abstract description 7
- 238000012545 processing Methods 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 claims abstract description 3
- 238000000605 extraction Methods 0.000 claims abstract description 3
- 239000011435 rock Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/14—Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/06—Transport of mined material at or adjacent to the working face
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
Abstract
The present invention provides a kind of method of the auxiliary lane multichannel Quick-return fully-mechanized mining working of long range, belongs to mining technique field.Before this method predominantly stops adopting line first advance, haulage drift is dug along coal wall stopping adopting on the outside of line；Connection roadway is excavated between haulage drift and stopping adopts line, in connection roadway and haulage drift construction major diameter pressure relief vent；At connection roadway and haulage drift arrangement stress monitoring station；In working face close to danger of burst when stopping adopting line, is found, release processing is carried out in time；Treat that working face extraction to the position of terminal mining line carries out round-off work.It this approach reduce adit and bump danger occur, and bull parallel operations are realized by connection roadway, improve and withdraw speed.It has been essentially ensures that safe, the stopping surface of quickly moving of deep thump fully-mechanized mining working.
Description
Technical field
The present invention relates to mining technique fields, particularly relate to a kind of auxiliary lane multichannel Quick-return fully-mechanized mining working of long range
Method.
Background technology
The removal of home stopping surface of fully-mechanized mining working is the important production preparation of fully mechanized mining production mine, it is not only mine realization
The important step of safety in production, and directly restrict the raising of fully-mechanized mining working unit yield.With coal mine machinery journey
The raising of degree, high-power, large-tonnage mechanical equipment application, removal of home stopping surface work seriously constrain fully-mechanized mining working unit yield
Raising.Quick removal of home stopping surface mainly has following two Quick-return methods at present：(1) CN1482344A discloses working face
Mian Fu lanes multichannel moving process, in working face the position of terminal mining line, minimum two substantially parallel, phases are dug out along coal wall first for it
Adit at a certain distance；Then several connection roadways are excavated between at least two adits, so as to fulfill
Quick-return.(2) a kind of methods of single channel railless plastic core-rubber-tire vehicle back withdrawing fully-mechanized mining working face of CN101349159A, it is first in fully mechanized mining
Working face, which stops adopting, tunnels a return channel and supporting at line；Then oblique adjusting is carried out during advanced 38~42m, during ending, in hydraulic pressure
Metal mesh and half round timber are laid on set cap, finally after working face and return channel perforation, withdraws working face equipment.It is above-mentioned
Two kinds of fully-mechanized mining working Quick-return methods are largely promoted and applied in superficial part mine, and obtain good result, but with
It and adopts deep increasing, the concentrated stress and coverage that working face surface bearing pressure generates apparent become occur compared with superficial part
Change, when causing return channel with working face perforation, phenomena such as gradually appearing roof fall, deformation and impact, seriously affected fully mechanized mining work
Make safe, the stopping surface of quickly moving in face.Therefore, it is badly in need of research deep thump fully-mechanized mining working safety, quick removal of home stopping surface side
Method.
The content of the invention
The technical problem to be solved by the present invention is to overcome deep thump fully-mechanized mining working safety, the difficulties of quick removal of home stopping surface
Point, the method that a kind of auxiliary lane multichannel Quick-return fully-mechanized mining working of long range is provided.
This method comprises the following steps：
(1) before stopping to adopt line first advance 300m, away from the position for stopping adopting 60~80m on the outside of line, one is dug along coal wall
The item haulage drift substantially parallel with stopping adopting line；
(2) two or more connection roadways are excavated between haulage drift and stopping adopts line, realizes rack restoring bull concurrent job；
(3) supporting is carried out to connection roadway and haulage drift；
(4) it is 110~250mm in connection roadway and haulage drift construction aperture, pitch-row 2m, hole depth is the major diameter of 15m
Pressure relief vent；
(5) three or more stress monitoring stations are arranged in connection roadway and haulage drift, each stress monitoring station arranges that two are answered
Power monitoring point, strain gauge are embedded in stress monitoring point, and the depth of two stress monitoring points is respectively 15m, 7m；
(6) connection roadway and haulage drift stress monitoring station stress variation shape are paid close attention to close to when stopping adopting line in working face
Condition finds danger of burst, carries out release processing in time；
(7) treat that working face extraction to the position of terminal mining line carries out round-off work.
Wherein, connection roadway uses bolt-mesh-anchor support, while is equipped with hydraulic prop, mining I-beam and pile formula hydraulic pressure branch
Frame；Connection roadway and haulage drift cure floor using concrete, and haulage drift carries out supporting using anchor rete cord.
Compared to superficial part fully-mechanized mining working, the tunnel of the supported pressure influence in deep is easier that rock blast hazard occurs.This
By stopping adopting line 60~80m location arrangements haulage drifts, favourable avoids supporting pressure influence, adds stabilization for invention
Property；By strengthening supporting, the impact resistance of connection roadway is improved.
Large diameter borehole shifts to an earlier date release, reduces the stress concentration degree of auxiliary lane peripheral rock, ensures the low stress of country rock
Environment；It arranges stress monitoring hole, monitors the surrouding rock stress environment in auxiliary lane closely, it is found that the rock burst fatalness area is carried out at release in time
Reason, so as to ensure the stabilization in the auxiliary lane of working face.
The above-mentioned technical proposal of the present invention has the beneficial effect that：
The present invention proposes a kind of auxiliary lane multichannel fully-mechanized mining working safety of long range, the method for quick removal of home stopping surface, from
And reduce adit and bump danger occurs, and bull parallel operations are realized by connection roadway, it improves and withdraws speed.
It has been essentially ensures that safe, the stopping surface of quickly moving of deep thump fully-mechanized mining working.
The present invention is avoided the influence of the supported pressure of haulage drift, is reduced connection roadway using long range roadway layout scheme
Supported pressure influence scope.So as to improve the ambient stress in headentry road and connection roadway, roadway support warp is reduced
Take, be conducive to stent withdraws operation.
The formation of " multichannel " realizes working face and removes the bull operation of frame, the superiority of sectional management top plate, in fully mechanized mining
Working face is widely applied.Extra exit of the connection roadway as working face, the safety for creating to withdraw to operating personnel
Passage is conducive to improve work efficiency.Bull operation removes frame speed to improve, shorten remove the creation of frame time condition be even more it is aobvious and
It is clear to.
The use of lane multichannel new process auxiliary over long distances makes deep thump fully-mechanized mining working ensure the situation of safety
Under, realize the quick removal of home stopping surface of working face.Its main efficacy results is：
1) avoid branch bearing capacity influences on a large scale, so as to ensure that the stabilization in most of tunnel；
2) the driving expense of passage and supporting expense are effectively reduced, shortens the formation time of removal of home system；
3) escape way is more, keeps away that calamity circuit is more, so as to add the sense of security of worker；
4) face roof is easily managed, and is realized and is withdrawn stent bull parallel operations, is segmented caving, so as to greatest extent
Ground reduces the generation of working face concentrated stress and the intensity shown, makes the remaining stent of working face should from significantly concentrating
Power improves the load situation of stent, and very good operating environment is created for quick removal of home stopping surface.
Description of the drawings
Fig. 1 is the schematic diagram one that the embodiment of the present invention is related to；
Fig. 2 is the schematic diagram two that the embodiment of the present invention is related to；
Fig. 3 is the schematic diagram three that the embodiment of the present invention is related to.
Wherein：1-haulage drift；2-connection roadway；3-stop adopting line；4-hydraulic support；5-air return way；6-work
Face；7-major diameter pressure relief vent；8-strain gauge.
Specific embodiment
To make the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
The present invention provides a kind of method of the auxiliary lane multichannel Quick-return fully-mechanized mining working of long range.
As shown in Figure 1, Figure 2 and Figure 3, it is schematic diagram of this method in implementation process, specific implementation step is as follows：
(1) before stopping to adopt 3 first advance of line, 6 distance 300m, away from the position for stopping adopting 3 60~80m of distance of line, along coal wall
One haulage drift 1 substantially parallel with stopping adopting line 3 of digging；The tunnel 4.5~5.0m of clear span, 3.6~3.8m of clear height, bottom plate are adopted
Cured with concrete, supporting is carried out using anchor rete cord, supporting parameter is as follows：
Net：45 × 45mm, 8# iron wire weave；
Anchor pole：φ18×1600mm；
Rope：φ 15.3 × 7500mm steel strand wires.
(2) according to coal seam geological condition, the technical equipment and economic condition of removal of home, between haulage drift 1 and stopping adopts line 3
Several connection roadways 2 are excavated, constitute " lane multichannel auxiliary over long distances " system.
(3) 2 tunnel 4.5~5.0m of clear span of connection roadway, 3.6~3.8m of clear height, bottom plate are cured using concrete, except using anchor rete cord
Outside supporting, hydraulic prop, mining I-beam and brettis are also equipped with, is on the one hand to strengthen, to roof timbering, reducing work
Make influence of the rock pressure to tunnel；Shield support when on the other hand being withdrawn as working face.Supporting parameter is as follows：
Net：40 × 40mm, 8# diamond shape iron wire weave；
Anchor pole：φ18×1600mm；
Rope：φ 15.3 × 7500mm steel strand wires；
I-steel：11#；
Individual prop：3.6~3.8；
Brettis：DZ10000-2.5/3.9.
(4) aperture is constructed as 110~250mm in connection roadway 2 and haulage drift 1, pitch-row 2m, hole depth is the big straight of 15m
Footpath pressure relief vent 7.
(5) several stress monitoring stations, each stress monitoring station arrangement depth, shallow two are arranged in connection roadway 2 and haulage drift 1
A measuring point, strain gauge 8 are embedded in stress monitoring point, and two 8 buried depths of strain gauge are respectively 15m, 7m.
(6) in working face 6 close to when stopping adopting line 3, paying close attention to connection roadway 2 and 1 stress monitoring station stress of haulage drift becomes
Change situation finds danger of burst, carries out release processing in time.
(7) working face 6 is treated to push to adopt to stopping adopting 3 distance 12m positions of line and carries out round-off work, subsequent hydraulic support 4 is from return air
Crossheading 5 and connection roadway 2 carry out bull and withdraw from.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (1)
- A kind of 1. method of the auxiliary lane multichannel Quick-return fully-mechanized mining working of long range, it is characterised in that：Comprise the following steps：(1) before stopping to adopt line first advance 300m, away from the position for stopping adopting 60~80m on the outside of line, along coal wall dig one with Stop adopting the parallel haulage drift of line；(2) two or more connection roadways are excavated between haulage drift and stopping adopts line, realizes rack restoring bull concurrent job；(3) supporting is carried out to connection roadway and haulage drift；(4) it is 110~250mm in connection roadway and haulage drift construction aperture, pitch-row 2m, hole depth is the major diameter release of 15m Hole；(5) three or more stress monitoring stations are arranged in connection roadway and haulage drift, two stress prisons are arranged at each stress monitoring station Measuring point, strain gauge are embedded in stress monitoring point, and the depth of two stress monitoring points is respectively 15m, 7m；(6) connection roadway and haulage drift stress monitoring station stress variation situation are paid close attention to close to when stopping adopting line in working face, sent out Existing danger of burst, carries out release processing in time；(7) treat that working face extraction to the position of terminal mining line carries out round-off work；The connection roadway uses bolt-mesh-anchor support, while is equipped with hydraulic prop, mining I-beam and hydraulic chock；Connection Network lane and haulage drift cure floor using concrete, and haulage drift carries out supporting using anchor rete cord.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610557466.0A CN106089234B (en) | 2016-07-15 | 2016-07-15 | A kind of method of the auxiliary lane multichannel Quick-return fully-mechanized mining working of long range |
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| CN201610557466.0A CN106089234B (en) | 2016-07-15 | 2016-07-15 | A kind of method of the auxiliary lane multichannel Quick-return fully-mechanized mining working of long range |
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| Publication Number | Publication Date |
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| CN106089234A CN106089234A (en) | 2016-11-09 |
| CN106089234B true CN106089234B (en) | 2018-05-25 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361034B (en) * | 2017-11-24 | 2019-08-30 | 枣庄矿业(集团)付村煤业有限公司 | A kind of order mining large-mining-height working surface is quickly moved technique |
| CN107956475A (en) * | 2017-12-13 | 2018-04-24 | 陕西煤业化工技术研究院有限责任公司 | A kind of structure and construction method for protecting development work surrounding rock stability |
| CN109268049A (en) * | 2018-08-08 | 2019-01-25 | 中国神华能源股份有限公司 | Fully-mechanized mining working withdraws method |
| CN112065395A (en) * | 2020-09-16 | 2020-12-11 | 刘雪 | Method for quickly withdrawing fully-mechanized coal mining face |
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