CN107882565B - A kind of adopt without driving without coal column stays integrated production practice - Google Patents
A kind of adopt without driving without coal column stays integrated production practice Download PDFInfo
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- CN107882565B CN107882565B CN201711048287.5A CN201711048287A CN107882565B CN 107882565 B CN107882565 B CN 107882565B CN 201711048287 A CN201711048287 A CN 201711048287A CN 107882565 B CN107882565 B CN 107882565B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 33
- 239000003245 coal Substances 0.000 title claims abstract description 32
- 238000005065 mining Methods 0.000 claims abstract description 78
- 238000000605 extraction Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 19
- 238000009423 ventilation Methods 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000005520 cutting process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 208000019901 Anxiety disease Diseases 0.000 description 2
- 230000036506 anxiety Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 244000294611 Punica granatum Species 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal
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Abstract
The invention discloses a kind of adopt without driving without coal column to stay integrated production practice, comprising the following steps: exploiting field is divided into large and small section working face by selected exploiting field, and is completed the earlier of each section working face and led lane and earlier open-off cut, and exploitation preparation is completed；Exploit away minor segment working face first, after completing two away minor segment working face minings, macroportion working face using retreating, and stay lane to cut second away minor segment utilized top release is secondary to stay lane, macroportion working face formation Y-shaped ventilating system.Then secondary cycle exploitation is carried out, the away minor segment that secondary cycle utilizes stays the secondary lane Qie Dingliu in lane, so that macroportion working face is formed Y-shaped ventilating system, until entire exploiting field full extraction finishes.The present invention is tunneled with no crossheading, no coal column, the characteristic continuously exploited, and improves resource recovery for mine, reduces driving, and raising production efficiency, personnel reduction and enlargement are significant, have wide applicability.
Description
Technical field
The invention belongs to mining engineering technical fields, and in particular to a kind of adopt without driving without coal column stays integrated production practice.
Background technique
Exploiting field is mainly divided into several sections based on mostly retreating with longwell by coal in China production at this stage,
It is the production of production cellular organization with section working face, generally first tunnels section inner working face tunnel and open-off cut, working face equipment
After being installed in place, drawing back, while next section subsequent duty face tunnel is tunneled, and before stope exploitation finishes
Complete connection roadway workface prepares, and stopping surface of then moving restarts new circulation, until entire exploiting field exploitation section is whole
It has been adopted that, in order to safeguard the stabilization of lower curtate subsequent duty face back, using the coal column for setting one fixed width is stayed, such stay sets coal
Column safeguards the coal-mining method of back, cause to mine in occur first dig exploit afterwards, the production practice drawback that digging separates, into
One step leads to that high production cost, personnel equipment are more, production efficiency is low, serious waste of resources, seriously constrains China coal industry
Development does not meet the demand of new period China's energy development change.
Summary of the invention
The purpose of the present invention is for the traditional recovery method institute for using the lane one side Jue Liang in current broadwall, staying coal column
Bring production connects anxiety, and shaft sinking and drifting is big, and the wasting of resources is more, high production cost, and the low reality of production efficiency is asked
Topic provides a kind of adopt without driving without coal column and stays integrated production practice, arranged by reasonable production practice, and realization, which is adopted, stays one
Body without coal pillar mining, avoid tradition first dig adopt afterwards caused by digging it is unbalance, connect anxiety, avoid staying coal caused by setting big coal column
The wasting of resources.
The present invention adopts the following technical scheme that realize:
A kind of adopt without driving without coal column stays integrated production practice, comprising the following steps:
1) selected production exploiting field is divided into several macroportion working faces and several away minor segment works of parallel arrangement
Make face, and is alternately arranged according to away minor segment working face, macroportion working face and away minor segment working face；
2) all ready-portioned macroportion working faces are dug and lane is led in the earlier of away minor segment working face, and dig all cells
The earlier open-off cut of section working face, earlier open-off cut and each away minor segment working face lead lane perforation in advance；
3) coalcutter advance mining away minor segment head mining face, exploitation to section boundary are utilized, and uses and cuts top release
Lane method is stayed to retain the away minor segment head mining face air return lane and away minor segment head mining face transportation roadway that coalcutter is cut into；
4) coalcutter advance mining away minor segment No.1 subsequent duty face, exploitation to section boundary are utilized, and uses and cuts top
Release gob-side entry retaining method retains the away minor segment No.1 subsequent duty face transportation roadway that coalcutter is cut into and away minor segment No.1 connects
Tailentry；
5) the macroportion head mining face open-off cut for digging macroportion head mining face, is transported through away minor segment head mining face
Defeated lane and away minor segment No.1 subsequent duty face air return lane, and away minor segment head mining face air return lane and away minor segment head mining face are useless
It abandons, and is sealed against；
6) macroportion head mining face is all caving formula management top plate using retreating, and the away minor segment head utilized is adopted
Headentry is located at the away minor segment No.1 connecting work that the mining face direction of propulsion rear tunnel macroportion head is discarded, utilizes
Make face air return lane, all cut top release gob side entry retaining in working face rear tunnel, forms that macroportion head mining face is secondary stays lane,
Air return system is formed with away minor segment No.1 subsequent duty face and away minor segment No.1 subsequent duty face transportation roadway, arrangement ventilation is constructed
Object, so that macroportion head mining face forms the ventilation of Y type；
7) after the completion of recycling for the first time, start secondary cycle, according to step 4) to the production practice 6) provided, alternately exploitation one
A away minor segment working face and a macroportion working face, until entire Mining Area full extraction finishes.
A further improvement of the present invention lies in that away minor segment face width is the half of macroportion face width.
3 a further improvement of the present invention lies in that, away minor segment face width is 100-150m, and macroportion face width is
200-300m。
A further improvement of the present invention lies in that the propulsion length of away minor segment working face and macroportion working face is 2000-
3000m。
The present invention has the following beneficial effects:
It is provided by the invention it is a kind of adopted without coal column without driving and stay integrated production practice, the production practice include exploiting field it is selected and
Section partition, mining roadway arrangement, working face arrangement and production practice and working face connect exploitation, and specific means are as follows:
(1) exploiting field is selected and section partition: exploiting field selected first is chosen ocurrence of coal seam in principle and is stablized, and seam inclination is small,
Geological structure is verified, uncomplicated, the good exploiting field of hydrogeologic condition, and according to the actual production situation of mine to exploiting field section
It is divided, is divided into two kinds in principle, one is use coalcutter to cut tunnel and cut the away minor segment work of top release gob side entry retaining
Make face, one is cut the macroportion working face for pushing up release and staying lane.Entire arrangement of mining area is since away minor segment working face, large and small area
Section working face arranged for interval, two kinds of section working face strike length are essentially identical, and away minor segment face width is macroportion work
The half of the length in face, away minor segment working face arranges one more than macroportion working face in quantity.
(2) mining roadway is arranged: behind selected exploiting field and division section, according to the practical developing of mine, arranging exploiting field developing
Tunnel, general arrangement three, respectively exploiting field belt conveyor lane, exploiting field assistant conveyance lane and exploiting field air return lane, completes exploiting field
After tunnel is dug, according to section partition, that opens up large and small section working face respectively leads lane (general arrangement two, transportation roadway in advance
And air return lane) and earlier open-off cut, lane and earlier open-off cut are led in advance to mining roadway protection coal pillar, complete opening for exploiting field exploitation
Open up preparation.
(3) working face arrangement and production practice: working face is divided into away minor segment working face and two kinds of macroportion working face, first
Away minor segment working face is exploited, completes head and adopt the equipment cloth of away minor segment working face to postpone using lane is led in advance, using advance mining,
Two away minor segment roadway workfaces are cut into using coalcutter, and cut top release gob side entry retaining, to reach no working face driving
Tunnel.It repeats this process to exploit to the edge of exploiting field, to away minor segment working face open-off cut top release gob side entry retaining.Repeat to connect small
The exploitation of section working face.After being sequentially completed the exploitation of two away minor segment working faces, lane is stayed to make using two away minor segment working faces
For two tunnels of macroportion working face, after completing macroportion open-off cut, macroportion working face, which uses, to be retreated, and to benefit
Connecting away minor segment working face stays lane progress is secondary to stay lane, forms Y-shaped ventilating system, until macroportion working face mining is complete
Finish.
(4) working face connect mining sequence: this production practice away minor segment working face using coalcutter be cut into lane technology and
It cuts top release gob side entry retaining roadway workface is carried out to stay lane, the lane Bing Shiliu is used as macroportion roadway workface, thus complete
At the exploitation of large and small section working face.Away minor segment working face mining is the basis of whole system smoothly implemented, big in order to reserve
Roadway workface required for section is exploited, it is necessary first to carry out two away minor segment exploitations, and away minor segment roadway workface is complete
The lane Bu Liu is utilized respectively the lane Tiao Liu of two away minor segment working faces after exploiting, and two as macroportion working face
Roadway workface, macroportion working face use drawing back, and to using second away minor segment working face stay lane carry out two
The lane Ci Liu, other goafs lane Nei Liu is directly discarded, until exploitation finishes, so far circulation is finished for the first time, i.e., " small two big one " into
Row exploitation.
(5) since being exploited second circulation, using " exploitation pattern of small big one ", i.e., first exploit next connecting
Away minor segment working face, two roadway workfaces are cut into lane using coalcutter, and cut top release and stay lane, as macroportion working face
Tunnel uses.It is small using the circulation lane away minor segment subsequent duty Mian Liu and this circulation for the first time after away minor segment working face mining
Section working face stays lane to use as this circulation macroportion roadway workface, and macroportion working face retreats, until work
Make face exploitation to finish.Often adopted an away minor segment working face, then using stay lane exploit a macroportion working face, circuit sequentially into
Row exploitation, the i.e. " exploitation pattern of small big one ", until the exploitation of entire exploiting field finishes.
In conclusion staying integrated production practice using provided by the invention adopt without driving without coal column, have following excellent
Point:
1, entire exploitation arrangement does not have segment protection coal column, realizes no coal pillar mining, improves resource recovery, and at
This does not increase substantially, is conducive to the reduction of mine production costs, increases Business Economic Benefit.
2, the large and small section roadway workface in entire exploiting field is directly formed using coalcutter cutting tunnel, has accomplished nothing substantially
Large-scale roadway workface driving, reduces driving working face in an exploiting field, realizes roadway workface and gives birth to without driving
It produces, cuts payroll to improve efficiency.
3, it is stayed with tradition exploitation and sets segment protection coal column, be easy to cause stress of coal pillar to concentrate, avoid big coal column from staying and set exploitation
The disasters such as caused coal and gas prominent, working face impulsion pressure, are conducive to the safe working of mine.
Detailed description of the invention
Fig. 1 is mining district preparation plane of arrangement figure of the present invention；
Fig. 2 is that the present invention recycles away minor segment working face mining plan view for the first time；
Fig. 3 is that the present invention recycles macroportion working face mining plan view for the first time；
Fig. 4 is secondary cycle away minor segment working face mining plan view of the present invention；
Fig. 5 is secondary cycle macroportion working face mining plan view of the present invention.
In figure: 6- leads lane in advance；The earlier open-off cut of 7-；8- away minor segment head mining face air return lane；9- away minor segment head adopts work
Make face transportation roadway；10- away minor segment head mining face；11- away minor segment No.1 subsequent duty face transportation roadway；12- away minor segment No.1 connects
Continuous tailentry；13- away minor segment No.1 subsequent duty face；14- macroportion head mining face open-off cut；15- macroportion is first
Mining face；16- macroportion head mining face is secondary to stay lane；No. two subsequent duty face transportation roadways of 17- away minor segment；18- away minor segment
No. two subsequent duty face air return lanes；No. two subsequent duty faces of 19- away minor segment；20- macroportion No.1 subsequent duty face open-off cut；
21- macroportion No.1 subsequent duty face；22- macroportion No.1 subsequent duty face is secondary to stay lane.
Specific embodiment
The specific technical solution of the present invention is described in detail below in conjunction with attached drawing, but this does not imply that this hair
Bright protection scope limits.
As shown in Figure 1, a kind of adopt without driving without coal column provided by the invention stays integrated production practice, head, which is picked up, determines coal seam tax
Stabilization is deposited, seam inclination is small, and geological structure is verified, uncomplicated, the good exploiting field of hydrogeologic condition, and if being divided into exploiting field
Dry macroportion working face and several away minor segment working faces, and according to away minor segment working face, macroportion working face and away minor segment
Working face is alternately arranged, and according to the actual conditions of each mine, away minor segment face width is the one of macroportion face width
Half, tendency length is consistent with mine routine work face length.Large and small section working face is dug respectively then according to dividing
The earlier open-off cut 7 for leading lane 6 and away minor segment working face in advance, the elder generation of each away minor segment working face is made by earlier open-off cut 7
The lane Qi Dao 6 penetrates through, and is connected with mining roadway, forms complete transport, ventilating system, so far completes entire new production process
Preliminary preparation.
As shown in Fig. 2, exploiting away minor segment head mining face 10 first, using lane 6 and earlier open-off cut 7 is led in advance, complete
The installation and debugging of working face equipment, subsequent away minor segment head mining face 10 use advance mining, cut lane using coalcutter
The lane Dao Cheng method cuts away minor segment head mining face 10, and using top release gob-side entry retaining method is cut, to the cell of cutting formation
The first mining face air return lane 8 of section and away minor segment head mining face transportation roadway 9 carry out gob side entry retaining, with constantly pushing away for working face
Into repetition coalcutter cuts tunnel, the process for cutting top release gob side entry retaining, until exploitation also uses cut at this time to section boundary
Top release edge air gallery technology carries out staying lane to away minor segment head mining face 10.When the exploitation of away minor segment head mining face 10 finishes
Afterwards, all winning apparatus are removed to the earlier open-off cut 7 in away minor segment No.1 subsequent duty face 3, after the completion of equipment is installed and is debugged,
Using method and steps identical with away minor segment head mining face 10, protrusive is carried out to away minor segment No.1 subsequent duty face 13 and is opened
It adopts, away minor segment No.1 subsequent duty face transportation roadway 11 and away minor segment No.1 subsequent duty face air return lane 12 are cut into using coalcutter
Lane, and lane technology gob side entry retaining is stayed using top release is cut, until away minor segment No.1 subsequent duty face 13 is exploited to section boundary, this
When also using cut top release gob-side entry retaining method away minor segment No.1 subsequent duty face 13 is carried out staying lane.Then it is first to dig macroportion
Mining face open-off cut 14 is allowed to and away minor segment head mining face transportation roadway 9 and away minor segment No.1 subsequent duty face air return lane 12
Perforation, macroportion head mining face are formed complete raw using the lane Liang Tiaoliu of away minor segment working face as its roadway workface
Roadways layout is produced, then installment work face equipment, prepares back production after debugging.
As shown in figure 3, macroportion head mining face 15 is using retreating, whole caving methods manage top plate, and utilization is small
The lane Liang Tiaoliu of section working face eliminates tunnelling as roadway workface, realizes and exploits without driving, because of itself and cell
Section working face is closely coupled, and no section coal pillar realizes no coal pillar mining, to improve the utilization rate in tunnel and returning for resource
Adopt rate.After working face mining, tunnel in 12 goaf of away minor segment No.1 subsequent duty face air return lane is secondary to cut top release along sky
Lane is stayed to be retained, formation macroportion head mining face is secondary to stay lane 16, and away minor segment head mining face transportation roadway 9 and away minor segment are first
It is all discarded that mining face 10 is located at tunnel in macroportion goaf.For macroportion working face, away minor segment No.1 subsequent duty
Face air return lane 12 is entered the wind, and macroportion head mining face is secondary to stay lane 16, away minor segment No.1 subsequent duty face 13 and away minor segment No.1
11 return air of subsequent duty face transportation roadway, working face form Y-shaped ventilating system, are conducive to eliminate macroportion face upper corner angle watt
This aggregation, is conducive to divulge information, and using this technique until being advanced at mining roadway protection coal pillar, so far exploitation has been recycled for the first time
At that is, " small two big one " exploits circulation.
As shown in Figure 4 and Figure 5, after the completion of head adopts circulation, start secondary cycle, working face is removed to No. two connecting works of away minor segment
The earlier open-off cut 7 for making face 19, using advance mining, coalcutter is cut into the away minor segment in No. two subsequent duty faces 19 of away minor segment
No. two subsequent duty face air return lanes 18 of No. two subsequent duty face transportation roadways 17 and away minor segment cut top release gob side entry retaining side to using
Method retains two tunnels, and with the advance of the face, process is exploited again, until section boundary, stays lane pair using top release is cut
No. two subsequent duty faces 19 of away minor segment carry out staying lane, and cut macroportion No.1 subsequent duty face open-off cut 20, using
The away minor segment No.1 subsequent duty face transportation roadway 11 and No. two subsequent duty face air return lanes 18 of away minor segment for staying lane collectively constitute great Qu
The mining system in the first subsequent duty face 21 of section, at this time away minor segment No.1 subsequent duty face 13 and away minor segment No.1 subsequent duty face
12 is all discarded.Using retreating, No. two subsequent duty face air return lanes 18 of away minor segment are adopted in macroportion No.1 subsequent duty face 21
Retained with top release gob-side entry retaining method is cut, form that macroportion No.1 subsequent duty face is secondary stays lane 22, connect with away minor segment two
Continuous No. two subsequent duty face transportation roadways 17 of working face 19 and away minor segment collectively constitute air return system, great Qu using Ventilation Structures
No. two subsequent duty faces of section use Y-shaped ventilating system.Using this technique until being advanced at mining roadway protection coal pillar, so far
Secondary recovery circulation is completed, i.e., " small big one " exploits circulation.
So far follow-up work face will continue " small big one " exploitation a circulation, until entire Mining Area full extraction is complete
Finish.
Claims (1)
1. a kind of adopt without driving without coal column stays integrated production practice, which comprises the following steps:
1) selected production exploiting field is divided into several macroportion working faces and several away minor segment working faces of parallel arrangement,
And it is alternately arranged according to away minor segment working face, macroportion working face and away minor segment working face；Away minor segment face width is great Qu
The half of section face width, and away minor segment face width is 100-150m, macroportion face width is 200-300m；It is small
The propulsion length of section working face and macroportion working face is 2000-3000m；
2) all ready-portioned macroportion working faces are dug and lane (6) are led in the earlier of away minor segment working face, and dig all cells
The earlier open-off cut (7) of section working face, earlier open-off cut (7) and each away minor segment working face lead lane (6) perforation in advance；
3) coalcutter advance mining away minor segment head mining face (10), exploitation to section boundary are utilized, and uses and cuts top release
Lane method is stayed to retain the away minor segment head mining face air return lane (8) and away minor segment head mining face transportation roadway that coalcutter is cut into
(9)；
4) coalcutter advance mining away minor segment No.1 subsequent duty face (13), exploitation to section boundary are utilized, and uses and cuts top
Release gob-side entry retaining method retains the away minor segment No.1 subsequent duty face transportation roadway (11) and away minor segment No.1 that coalcutter is cut into
Subsequent duty face air return lane (12)；
5) the macroportion head mining face open-off cut (14) for digging macroportion head mining face (15), adopts work through away minor segment head
Face transportation roadway (9) and away minor segment No.1 subsequent duty face air return lane (12), and away minor segment head mining face air return lane (8) and cell
The first mining face (10) of section is discarded, and is sealed against；
6) macroportion head mining face (15) is all caving formula management top plate using retreating, and the away minor segment head utilized is adopted
Headentry (9) is located at the away minor segment No.1 connecting that the mining face direction of propulsion rear tunnel macroportion head is discarded, utilizes
Tailentry (12) all cuts top release gob side entry retaining in working face rear tunnel, forms macroportion head mining face two
The lane Ci Liu (16) forms return air with away minor segment No.1 subsequent duty face (13) and away minor segment No.1 subsequent duty face transportation roadway (11)
System arranges Ventilation Structures, so that macroportion head mining face (15) forms the ventilation of Y type；
7) after the completion of recycling for the first time, start secondary cycle, according to step 4) to the production practice 6) provided, alternately exploitation is one small
Section working face and a macroportion working face, until entire Mining Area full extraction finishes.
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| CN108590658B (en) * | 2018-04-24 | 2019-07-02 | 中煤西安设计工程有限责任公司 | A kind of bump and highly gassy mine exploiting field inner working face connect method for arranging |
| CN108756882A (en) * | 2018-05-29 | 2018-11-06 | 中煤能源研究院有限责任公司 | A kind of district sublevel entry adopts recovery method without the short length of filling of driving formula |
| CN109252860B (en) * | 2018-08-01 | 2020-04-07 | 中国煤炭科工集团太原研究院有限公司 | High-degree mechanical mining method for thin coal seam continuous mining machine |
| CN109736806A (en) * | 2019-01-09 | 2019-05-10 | 太原理工大学 | A kind of no pre-tunnel laneway road protrusive building block filling coal mining method |
| CN111255455B (en) * | 2020-01-21 | 2021-07-02 | 山东科技大学 | Non-divided mining area, non-entry driving and non-pillar mining and construction method for coal mine field |
| CN111156000A (en) * | 2020-04-07 | 2020-05-15 | 北京中矿创新联盟能源环境科学研究院 | Low seam coal-pillar-free retreating type coal mining method |
| CN112647947B (en) * | 2020-12-30 | 2023-03-14 | 国电建投内蒙古能源有限公司 | Non-coal-pillar mining method for mining area |
| CN112610212B (en) * | 2020-12-30 | 2023-06-27 | 国电建投内蒙古能源有限公司 | Mining area unidirectional tunneling coal pillar-free mining method |
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| CN102996131B (en) * | 2012-12-10 | 2014-10-29 | 中国矿业大学 | Solid-filling coal mining method with two pre-excavating tunnels for advancing |
| CN103410515B (en) * | 2013-08-23 | 2015-09-16 | 山东科技大学 | It is a kind of that three-soft seam is reciprocating combines mining method without coal column |
| CN104775817B (en) * | 2015-03-05 | 2016-12-28 | 路彬 | Full negative pressure Lian Cailian fills step-by-step replacement railways and water-bodies method |
| CN104775819B (en) * | 2015-03-27 | 2017-01-18 | 中国矿业大学 | Deep inclined coal seam mining roadway mine pressure control mining method |
| CN106121646A (en) * | 2016-08-22 | 2016-11-16 | 中煤西安设计工程有限责任公司 | Underground mine exploiting field formula without digging laneway without coal column coal-mining method |
| CN107013216A (en) * | 2017-05-16 | 2017-08-04 | 中国科学院武汉岩土力学研究所 | A kind of colliery deep mining impulsion pressure prevention and controls |
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