CN103758520B - A kind of half-edge coal seam flexible type shield staged coal-mining method - Google Patents
A kind of half-edge coal seam flexible type shield staged coal-mining method Download PDFInfo
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- CN103758520B CN103758520B CN201310743965.5A CN201310743965A CN103758520B CN 103758520 B CN103758520 B CN 103758520B CN 201310743965 A CN201310743965 A CN 201310743965A CN 103758520 B CN103758520 B CN 103758520B
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Abstract
The present invention opens a kind of half-edge coal seam flexible type shield staged coal-mining method of settling sth. according to policy or law, including formation, the perforating of ladder with blow out, take off coal and supporting, tear the eye several step of mouth support open, roadway layout of the present invention is simple, to geological transformation strong adaptability, multiple spot operation simultaneously can be realized, improve single face output.
Description
Technical field
The present invention relates to a kind of coal-mining method.It is specifically related to a kind of half-edge coal seam flexible type shield staged adopt
Coal method.
Background technology
During steeply-inclined seam mining, conventional exploitation is all that separate unit stepwise produces, and production efficiency is low, and
The safety of workman is the most impacted, it is contemplated that the mode of design multi-stage stairs is mined, improves half-edge coal seam
Safety production situation.
Summary of the invention
It is an object of the invention to realize multi-step back production simultaneously, improve the single rate of half-edge coal seam work surface, and
Ensure the safety of operating worker.
In order to achieve the above object, the present invention has a following technical scheme:
One half-edge coal seam flexible type shield staged coal-mining method of the present invention, comprises the following steps:
(1) ladder formation process
The first step: eye mouth support is torn in No. 1 storehouse open, upwards pushes to adopt 6.0 meters and arranges ladder → No. 1, No. 1 the 1st, storehouse
Eye mouth support is torn in storehouse again open, upwards pushes to adopt 1.0-2.0 rice and arranges No. 1 the 2nd, storehouse two, storehouse, ladder → No. 1 ladder
Pushing to adopt forward storehouse, 4.0-5.0 rice → No. 1 tears eye mouth support again open simultaneously, upwards pushes to adopt 1.0-2.0 rice and arranges No. 1
The 3rd, storehouse ladder；
(2) normally push to adopt
Second step: in No. 1 storehouse, 3 ladders normally push to adopt simultaneously, treat that the 1st, No. 1 storehouse ladder pushes to adopt away from 1
Number storehouse upper end 5 meters stopping；
(3) No. 1 storehouse upper end or more than 2 storehouse changeover portions are pushed to adopt
3rd step: first carry out No. 2 storehouses and tear eye mouth support open, upwards pushes to adopt 6.0 meters and arranges rank, No. 2 the 1st, storehouses
Ladder；
4th step: in then carrying out No. 1 storehouse, the 1st ladder pushes to adopt 5 meters to No. 2 Cang Yankou positions；
5th step: continue the 2nd, 3 ladders in No. 1 storehouse are pushed to adopt simultaneously, treat the 2nd ladder in No. 1 storehouse
Push to adopt away from No. 1 storehouse upper end or No. 25 meters of storehouse stoppings；
6th step: tear eye mouth support again open from No. 2 storehouses again, upwards pushes to adopt 1.0-2.0 rice and arranges No. 2 storehouses the 2nd
Individual ladder, then No. 2 two, storehouse ladders push to adopt forward 4.0-5.0 rice simultaneously；
7th step: continue the 2nd ladder in No. 1 storehouse to push to adopt 5 meters to No. 2 Cang Yankou positions；
8th step: tear eye mouth support again open from No. 2 storehouses again, upwards pushes to adopt 1.0-2.0 rice and arranges No. 2 storehouses the 3rd
Individual ladder；
9th step: the most again the 3rd ladder in No. 1 storehouse is pushed to adopt to No. 2 Cang Yankou positions, so far No. 1
Storehouse has the most all pushed to adopt；
Tenth step: simultaneously push to adopt 3 ladders in No. 2 storehouses, in treating No. 2 storehouses, the 1st ladder pushes to adopt away from 3
Number storehouse upper end 5 meters stopping；
11st step: the way repeating No. 2 storehouse crosses remaining storehouse, it may be assumed that eye mouth support is torn in No. 3 storehouses open, to
On push to adopt 6.0 meters arrange No. 3 the 1st, storehouse ladders, in No. 2 storehouses, the 1st ladder pushes to adopt 5 meters to No. 3 storehouse eyes
Mouthful, in No. 2 storehouses, the 2nd, 3 ladders push to adopt simultaneously, and in treating No. 2 storehouses, the 2nd ladder pushes to adopt away from upper end, No. 2 storehouses
5 meters of stoppings, No. 3 storehouses tear eye mouth support again open, upwards push to adopt 1.0-2.0 rice and arrange No. 3 the 2nd, storehouse ladders, and 3
Two, number storehouse ladders push to adopt forward 4.0-5.0 rice simultaneously, and in No. 2 storehouses, the 2nd ladder pushes to adopt 5 meters to No. 3 storehouses
Eye mouth, No. 3 storehouses are torn eye mouth support again open, are upwards pushed to adopt 1.0-2.0 rice and arrange No. 3 the 3rd, storehouse ladders, No. 2 storehouses
In the 3rd ladder push to adopt to No. 3 storehouse eye mouths, in No. 3 storehouses, 3 ladders push to adopt simultaneously, treat in No. 3 storehouses the 1st
Individual ladder pushes to adopt away from No. 3 storehouse upper ends 5 meters stopping, and in pushing to adopt No. 3 storehouses, the 1st ladder is to upper end, No. 3 storehouses
Interior 2nd, 3 ladders push to adopt simultaneously, treat that the 2nd ladder is adopted to the 5 meters of stoppings of No. 3 storehouse upper ends, push to adopt 3
In number storehouse, the 2nd ladder is to upper end, and in pushing to adopt No. 3 storehouses, the 3rd ladder is to upper end.
Wherein, ladder number 3 in each storehouse.
Wherein, ladder height is less than or equal to 1.2 meters.
Wherein, the length 4.0-5.0 rice between ladder.
Wherein, the work surface gradient is less than or equal to 25 degree.
Owing to taking above technical scheme, it is an advantage of the current invention that: roadway layout is simple, to geological transformation
Strong adaptability, it is possible to achieve multiple spot operation simultaneously, improves single face output.
Accompanying drawing explanation
Fig. 1 is first ladder layout drawing；
Fig. 2 is second ladder layout drawing；
Fig. 3 is the 3rd ladder layout drawing；
Fig. 4 is that the first ladder pushes to adopt figure.
Detailed description of the invention
Hereinafter implement to be used for illustrating the present invention, but be not limited to the scope of the present invention.
Seeing Fig. 1-Fig. 4, the technological process of the present invention includes:
One, ladder is formed
A: scheme one
(1) ladder formation process
The first step: eye mouth support is torn in No. 1 storehouse open, upwards pushes to adopt 6.0 meters and arranges ladder → No. 1, No. 1 the 1st, storehouse
Eye mouth support is torn in storehouse again open, upwards pushes to adopt 1.0-2.0 rice and arranges No. 1 the 2nd, storehouse two, storehouse, ladder → No. 1 ladder
Pushing to adopt forward storehouse, 4.0-5.0 rice → No. 1 tears eye mouth support again open simultaneously, upwards pushes to adopt 1.0-2.0 rice and arranges No. 1
The 3rd, storehouse ladder；
(2) normally push to adopt
Second step: in No. 1 storehouse, 3 ladders normally push to adopt simultaneously, treat that the 1st, No. 1 storehouse ladder pushes to adopt away from 1
Number storehouse upper end 5 meters stopping；
(3) No. 1 storehouse upper end or more than 2 storehouse changeover portions are pushed to adopt
3rd step: first carry out No. 2 storehouses and tear eye mouth support open, upwards pushes to adopt 6.0 meters and arranges rank, No. 2 the 1st, storehouses
Ladder；
4th step: in then carrying out No. 1 storehouse, the 1st ladder pushes to adopt 5 meters to No. 2 Cang Yankou positions；
5th step: continue the 2nd, 3 ladders in No. 1 storehouse are pushed to adopt simultaneously, treat the 2nd ladder in No. 1 storehouse
Push to adopt away from No. 1 storehouse upper end (or No. 2 storehouses) 5 meters stopping；
6th step: tear eye mouth support again open from No. 2 storehouses again, upwards pushes to adopt 1.0-2.0 rice and arranges No. 2 storehouses the 2nd
Two, No. 2 storehouses of individual ladder → then ladders push to adopt forward 4.0-5.0 rice simultaneously；
7th step: continue the 2nd ladder in No. 1 storehouse to push to adopt 5 meters to No. 2 Cang Yankou positions；
8th step: tear eye mouth support again open from No. 2 storehouses again, upwards pushes to adopt 1.0-2.0 rice and arranges No. 2 storehouses the 3rd
Individual ladder；
9th step: the most again the 3rd ladder in No. 1 storehouse is pushed to adopt to so far No. 1 storehouse, No. 2 Cang Yankou positions
All push to adopt；
Tenth step: simultaneously push to adopt 3 ladders in No. 2 storehouses, in treating No. 2 storehouses, the 1st ladder pushes to adopt away from 3
Number storehouse upper end 5 meters stopping；
11st step: the way repeating No. 2 storehouse crosses remaining storehouse, it may be assumed that eye mouth support is torn in No. 3 storehouses open, to
On push to adopt 6.0 meters and arrange that the 1st ladder pushes to adopt 5 meters to No. 3 storehouse eyes in storehouses, ladder → No. 2, No. 3 the 1st, storehouses
In mouth → No. 2 storehouses, the 2nd, 3 ladders push to adopt simultaneously, and in treating No. 2 storehouses, the 2nd ladder pushes to adopt on No. 2 storehouses
5 meters, termination stops → No. 3 storehouses and tears eye mouth support again open, upwards pushes to adopt 1.0-2.0 rice and arranges rank, No. 3 the 2nd, storehouses
In ladder → No. 3 two, storehouse ladders push to adopt forward storehouse, 4.0-5.0 rice → No. 2 simultaneously, the 2nd ladder pushes to adopt 5 meters extremely
Eye mouth support is torn in storehouse, eye mouth → No. 3, No. 3 storehouses again open, upwards pushes to adopt 1.0-2.0 rice and arranges No. 3 the 3rd, storehouse ladders
In → No. 2 storehouses, the 3rd ladder pushes to adopt to storehouse, eye mouth → No. 3, No. 3 storehouses 3 ladders and pushes to adopt simultaneously, treats No. 3
In storehouse, the 1st ladder pushes to adopt and stops → push to adopt in No. 3 storehouses the 1st ladder to upper end away from No. 3 storehouse upper ends 5 meters
In storehouse, head → No. 3, the 2nd, 3 ladders push to adopt simultaneously, treat the 2nd ladder to adopt to No. 3 storehouse upper ends 5 meters and stop
Stop → push to adopt in No. 3 storehouses the 2nd ladder to the 3rd ladder in upper end → push to adopt No. 3 storehouses to upper end.
B: scheme two
(1) ladder formation process
The first step: eye mouth support is torn in No. 1 storehouse open, upwards pushes to adopt 6.0 meters and arranges ladder → 1, No. 1 the 1st, storehouse
Eye mouth support is torn in number storehouse again open, upwards pushes to adopt 1.0-2.0 rice and arranges Cang Liangge rank, the 2nd ladder → No. 1, No. 1 storehouse
Push to adopt forward storehouse, 4.0-5.0 rice → No. 1 tears eye mouth support open to ladder more simultaneously, upwards pushes to adopt 1.0-2.0 rice and arranges 1
Number the 3rd, storehouse ladder；
(2) normally push to adopt
Second step: in No. 1 storehouse, 3 ladders push to adopt simultaneously, in treating No. 1 storehouse, the 1st ladder pushes to adopt to No. 2
Yan Kou position, storehouse stops；
(3) No. 1 storehouse upper end or more than 2 storehouse changeover portions are pushed to adopt
3rd step: tear eye mouth support in No. 2 storehouses open, upwards pushes to adopt 6.0 meters and arranges No. 2 the 1st, storehouse ladders；
4th step: then proceed to simultaneously push to adopt the 2nd, 3 ladders in No. 1 storehouse, treats in No. 1 storehouse the 2nd
Individual ladder pushes to adopt and stops to No. 2 Cang Yankou positions；
5th step: tear eye mouth support again open from No. 2 storehouses again, upwards pushes to adopt 1.0-2.0 rice and arranges No. 2 storehouses the 2nd
Individual ladder → then two, No. 2 storehouses ladder is pushed to adopt forward 4.0-5.0 rice simultaneously；
6th step: again the 3rd ladder in No. 1 storehouse is pushed to adopt to No. 2 storehouse eye mouths；
7th step: tear eye mouth support again open from No. 2 storehouses again, upwards pushes to adopt 1.0-2.0 rice and arranges No. 2 storehouses the 3rd
In No. 2 storehouses of individual ladder → then, 3 ladders push to adopt simultaneously, and in treating No. 2 storehouses, the 1st ladder pushes to adopt to No. 3 storehouses
Eye mouth position stops；
8th step: the way repeating No. 2 storehouse crosses remaining storehouse, it may be assumed that eye mouth support is torn in No. 3 storehouses open, to
On push to adopt 6.0 meters and arrange that the 2nd, 3 ladders push to adopt in storehouses, ladder → No. 2, No. 3 the 1st, storehouses, treat 2 simultaneously
In number storehouse, the 2nd ladder pushes to adopt and tears eye mouth support again open to storehouse, eye mouth → No. 3, No. 3 storehouses, upwards pushes to adopt 1.0-2.0
Rice arranges that two, storehouse, ladder → No. 3, No. 3 the 2nd, storehouses ladder pushes to adopt forward in storehouse, 4.0-5.0 rice → No. 2 simultaneously
3rd ladder pushes to adopt tears eye mouth support open again to storehouse, eye mouth → No. 3, No. 3 storehouses, upwards pushes to adopt 1.0-2.0 rice and arranges
In storehouse, ladder → No. 3, No. 3 the 3rd, storehouses, the 3rd ladder pushes to adopt simultaneously, and in treating No. 3 storehouses, the 1st ladder pushes to adopt
In stopping → push to adopt No. 3 storehouses to No. 3 storehouse upper ends 5 meters, the 1st ladder is in storehouse, upper end → No. 3 the 2nd, 3
Individual ladder pushes to adopt simultaneously, treat the 2nd ladder adopt stop → push to adopt No. 3 storehouses to No. 3 storehouse upper ends 5 meters in the 2nd
Individual ladder is to the 3rd ladder in upper end → push to adopt No. 3 storehouses to upper end.
Implementation process should be noted that item:
Tailstock is torn in time open when 1, tearing eye mouth open.
When 2, pushing to adopt, in each storehouse, each ladder must be pushed ahead simultaneously, mustn't push to adopt by single ladder.
3, in each storehouse, each ladder pushes to adopt progress and wants consistent, forbids to push to adopt together two ladders.
4, when upper and lower storehouse pushes to adopt simultaneously, upper storehouse descends the mistake in storehouse away from the height that not can exceed that a ladder in advance.
5, frame is continued when upper end pushes to adopt in time.Push to adopt according to former soft coal-mining method of covering.
Two, perforating, blow out
1, borehole arrangement, quantity, angle, will according to coal seam thickness, hardness in operating regulation clearly
Regulation.
2, borehole depth must not exceed 2 meters.
3, during hole placing, after keeping banger as far as possible, in each ladder, there is an effective single-column of supporting.
4, according to seam hardness, clear stipulaties charging means, dose and detonate in operating regulation blasting chart
Sequentially.
5, must the powder charge of all ladders detonate in each storehouse simultaneously.
Three, coal and supporting are taken off
Must the most upwards take off coal from the most next ladder in each storehouse when 1, taking off coal after banger, forbid two or
Multiple ladders take off coal simultaneously.
2, the regulation that strict implement " is taken off and made a call to ".Take off enough posts away from making a call to a column, between column
Away from no more than 1.5 meters, and will be according to top board exposed area and roof condition, it is necessary to complement band cap stull in time.
3, work surface side drawing coal technology and technical safety measures must in operating regulation clear stipulaties.Respectively go up a hill
In the range of work surface eye mouth and upper end 5 meters, frame back pad layer thickness less than 3 meters, near the coal discharge outlet of side 5 meters of models
Enclose the some post of inner support and support before a post is not accomplished fluently in support bottom at defective and side coal discharge outlet, all forbid to carry out side
Put coal operation after frame.
4, after operating regulation being wanted clear and definite work surface push to adopt, get the spacing of post and stull ready, specify top board and break
The technical safety measures that broken or support upper limb should be taked after leaving top board.
Four, eye mouth support is torn open
1, support must be transferred at eye mouth in time and accomplish fluently a post (coupled columns) and stull is effectively controlled well at eye mouth
Flexible shield support, reduce the top board exposed area at eye mouth.
2, often follow and push to adopt from eye mouth when starting new circulation, the most accurate use that to tear dilute back-propping plate open (the most accurate
Tear the backboard of the 1 dilute frame of frame open) mode, forbid directly pushed to adopt by eye mouth support removing, it is ensured that ladder
Highly it is not more than 1.2 meters, treats that ladder pushes to adopt support at 6 meters of rear dismountable eye mouths.
3, when tunnel widens the view mouth (layout ladder), operating regulation must be widened the view mouth by clear stipulaties
Mode, the supporting requirement at eye mouth and technical safety measures.
4, the supporting in eye mouth Xia20 meter Li lane must be overhauled before tearing frame open, lack vertical brace, backboard, timely replacement,
Top board lives stone process totally.
5, tear frame open must from top to bottom carry out by frame, tear frame mode open and tear the safety specifications of frame open on operation rule
Must clear stipulaties in journey.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and not
It it is the restriction to embodiments of the present invention.For those of ordinary skill in the field, in described above
On the basis of can also make other changes in different forms.Here all of embodiment cannot be given
With exhaustive.Every belong to obvious change or variation that technical scheme extended out still in this
The row of the protection domain of invention.
Claims (4)
1. a half-edge coal seam flexible type shield staged coal-mining method, it is characterised in that include following step
Rapid:
(1) ladder formation process
The first step: eye mouth support is torn in No. 1 storehouse open, upwards pushes to adopt 6.0 meters and arranges ladder → No. 1, No. 1 the 1st, storehouse
Eye mouth support is torn in storehouse again open, upwards pushes to adopt 1.0-2.0 rice and arranges No. 1 the 2nd, storehouse two, storehouse, ladder → No. 1 ladder
Pushing to adopt forward storehouse, 4.0-5.0 rice → No. 1 tears eye mouth support again open simultaneously, upwards pushes to adopt 1.0-2.0 rice and arranges No. 1
The 3rd, storehouse ladder；
(2) normally push to adopt
Second step: in No. 1 storehouse, 3 ladders normally push to adopt simultaneously, treat that the 1st, No. 1 storehouse ladder pushes to adopt away from 1
Number storehouse upper end 5 meters stopping；
(3) No. 1 storehouse upper end or more than 2 storehouse changeover portions are pushed to adopt
3rd step: first carry out No. 2 storehouses and tear eye mouth support open, upwards pushes to adopt 6.0 meters and arranges rank, No. 2 the 1st, storehouses
Ladder；
4th step: in then carrying out No. 1 storehouse, the 1st ladder pushes to adopt 5 meters to No. 2 Cang Yankou positions；
5th step: continue the 2nd, 3 ladders in No. 1 storehouse are pushed to adopt simultaneously, treat the 2nd ladder in No. 1 storehouse
Push to adopt away from No. 1 storehouse upper end or No. 25 meters of storehouse stoppings；
6th step: tear eye mouth support again open from No. 2 storehouses again, upwards pushes to adopt 1.0-2.0 rice and arranges No. 2 storehouses the 2nd
Individual ladder, then No. 2 two, storehouse ladders push to adopt forward 4.0-5.0 rice simultaneously；
7th step: continue the 2nd ladder in No. 1 storehouse to push to adopt 5 meters to No. 2 Cang Yankou positions；
8th step: tear eye mouth support again open from No. 2 storehouses again, upwards pushes to adopt 1.0-2.0 rice and arranges No. 2 storehouses the 3rd
Individual ladder；
9th step: the most again the 3rd ladder in No. 1 storehouse is pushed to adopt to so far No. 1 storehouse, No. 2 Cang Yankou positions
The most all push to adopt；
Tenth step: simultaneously push to adopt 3 ladders in No. 2 storehouses, in treating No. 2 storehouses, the 1st ladder pushes to adopt away from 3
Number storehouse upper end 5 meters stopping；
11st step: the way repeating No. 2 storehouse crosses remaining storehouse, it may be assumed that eye mouth support is torn in No. 3 storehouses open, to
On push to adopt 6.0 meters arrange No. 3 the 1st, storehouse ladders, in No. 2 storehouses, the 1st ladder pushes to adopt 5 meters to No. 3 storehouse eyes
Mouthful, in No. 2 storehouses, the 2nd, 3 ladders push to adopt simultaneously, and in treating No. 2 storehouses, the 2nd ladder pushes to adopt away from upper end, No. 2 storehouses
5 meters of stoppings, No. 3 storehouses tear eye mouth support again open, upwards push to adopt 1.0-2.0 rice and arrange No. 3 the 2nd, storehouse ladders, and 3
Two, number storehouse ladders push to adopt forward 4.0-5.0 rice simultaneously, and in No. 2 storehouses, the 2nd ladder pushes to adopt 5 meters to No. 3 storehouses
Eye mouth, No. 3 storehouses are torn eye mouth support again open, are upwards pushed to adopt 1.0-2.0 rice and arrange No. 3 the 3rd, storehouse ladders, No. 2 storehouses
In the 3rd ladder push to adopt to No. 3 storehouse eye mouths, in No. 3 storehouses, 3 ladders push to adopt simultaneously, treat in No. 3 storehouses the 1st
Individual ladder pushes to adopt away from No. 3 storehouse upper ends 5 meters stopping, and in pushing to adopt No. 3 storehouses, the 1st ladder is to upper end, No. 3 storehouses
Interior 2nd, 3 ladders push to adopt simultaneously, treat that the 2nd ladder is adopted to the 5 meters of stoppings of No. 3 storehouse upper ends, push to adopt 3
In number storehouse, the 2nd ladder is to upper end, and in pushing to adopt No. 3 storehouses, the 3rd ladder is to upper end.
2. a kind of half-edge coal seam flexible type shield staged coal-mining method as claimed in claim 1, its feature
Being, ladder height is less than or equal to 1.2 meters.
3. a kind of half-edge coal seam flexible type shield staged coal-mining method as claimed in claim 1, its feature
It is, the length 4.0-5.0 rice between ladder.
4. a kind of half-edge coal seam flexible type shield staged coal-mining method as claimed in claim 1, its feature
Being, the work surface gradient is less than or equal to 25 degree.
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| CN103993883A (en) * | 2014-05-20 | 2014-08-20 | 四川省华蓥山煤业股份有限公司李子垭南煤矿 | Sharp inclined coal seam flexible shield support mining method |
| CN109779630A (en) * | 2019-02-20 | 2019-05-21 | 北京昊华能源股份有限公司 | A kind of half-edge coal seam coal-mining method |
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| CN103758520A (en) | 2014-04-30 |
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