CN110454187A - A kind of roadway layout method improving the Coal Resources in Mine recovery ratio that is opened up by adits - Google Patents
A kind of roadway layout method improving the Coal Resources in Mine recovery ratio that is opened up by adits Download PDFInfo
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- CN110454187A CN110454187A CN201910597036.5A CN201910597036A CN110454187A CN 110454187 A CN110454187 A CN 110454187A CN 201910597036 A CN201910597036 A CN 201910597036A CN 110454187 A CN110454187 A CN 110454187A
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- coal
- working face
- footrill
- coal working
- face
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
-
- 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
Abstract
The invention discloses a kind of roadway layout methods for improving the Coal Resources in Mine recovery ratio that is opened up by adits, and are related to coal-mining technique field.It directly divides coal working face within the scope of field with "nine squares", is not further subdivided into exploiting field, panel or zone.Include: the main haulage tunnel of arrangement, return air footrill and assistant conveyance footrill, is parallel to each other between three footrills；Main haulage tunnel and assistant conveyance footrill are both designed as machine rail unification main entry, transport that coal working face produces coal and remove face and realize by main haulage tunnel, and driving face coal out and the transport of spoil and the installation of coal face are realized by assistant conveyance footrill；After the completion of two lane of coal working face is arranged, the assistant conveyance footrill conduct between two lanes is cut eye and is used；Connection roadway between assistant conveyance footrill and return air footrill is used to adopt, dig the return air of working face.Present invention eliminates preparatory workings, reduce tunnelling amount, reduce coal column quantity, have both improved coal resources recovery ratio, also simplify the systems such as ventilation, transport.
Description
Technical field
The present invention relates to coal-mining technique fields, and in particular to one kind is opened up by adits mine laneway method for arranging.
Background technique
It is generally the stage by field dividing, the stage is further subdivided into exploiting field, panel or band in traditional coal mining
Area is further subdivided into several coal working faces in exploiting field, panel or zone.This division mode, need to arrange development work,
Preparatory working and stope drift active workings.Since development work and preparatory working two sides need to stay the protection coal pillar for setting one fixed width, so,
Its coal resources recovery ratio of the mine conventionally designed will not be very high.With Roadway Support Technology and coal-mining technique into
Step, the length and propulsion length of coal working face all dramatically increase, and some face lengths reach 400m, and propulsion length is more than
5km.So traditional mine design mode has no longer adapted to the requirement of era development, there is an urgent need to a kind of safety, it is simple,
The working face arrangement form of high recovery ratio.
Summary of the invention
It is opened up by adits the roadway layout method of Coal Resources in Mine recovery ratio the purpose of the present invention is to provide a kind of raising,
It eliminates preparatory working, reduces tunnelling amount, reduces protection coal pillar quantity, improves coal resources recovery ratio,
Simplify the systems such as ventilation, transport.
Its technical solution includes:
A kind of raising is opened up by adits the roadway layout method of Coal Resources in Mine recovery ratio, successively the following steps are included:
A, coal working face is directly divided within the scope of field with "nine squares"；
B, tunnel the main haulage tunnel of mine, assistant conveyance footrill and with return air footrill, wherein main haulage tunnel and and return
Wind footrill is arranged in the stabilization rock stratum outside working seam range, and assistant conveyance footrill is arranged in working seam, the master
Haulage tunnel, assistant conveyance footrill and return air footrill three are parallel to each other, and pass through the first return air in the return air footrill end
Connection roadway and assistant conveyance footrill penetrate through；
C, the main haulage tunnel and the assistant conveyance footrill are both designed as machine rail unification main entry, coal working face
It the transport produced coal and removes face work and is realized by the main haulage tunnel, the transport of coal and spoil that driving face goes out
And the installment work of coal face is realized by the assistant conveyance footrill；
D, the first coal working face is arranged along field with "nine squares" inboard boundary, from first coal-getter of assistant conveyance drifting
Make the track lane in face and the transportation roadway of the first coal working face and penetrate through it with the main haulage tunnel respectively, first is adopted
Coal working face is corresponding-and assistant conveyance footrill uses as cutting eye；
E, it cuts eye in the first coal working face to start that equipment is installed and carries out the first coal working face to push to adopt, described set
It is ready for use on coal mining and transport coal, the coal of the first coal working face extraction passes through the glue in the first coal working face transportation roadway
The rubber conveyer being delivered in the main haulage tunnel with conveyer transports, and coal face uses gob side entry retaining in back production
Method retains track lane of the transportation roadway of first coal working face as second coal working face；
F, when the first coal working face pushes to adopt certain distance, from second coal work of assistant conveyance drifting
The second return air connection roadway in face and the return air footrill penetrate through, and then tunnel the transportation roadway of the second coal working face and described
The perforation of main haulage tunnel, then using the second coal working face it is corresponding-assistant conveyance footrill uses as eye is cut, and progress second
The installment work of coal working face；
G, after the first coal working face is pushed to adopt to terminal line, the second coal working face can be produced, and use edge
The transportation roadway of second coal working face is retained as the track lane of third coal working face by the method in the lane Kong Liu；First is removed to adopt
The equipment of coal working face；
H, and so on, the arrangement of subsequent coal working face is sequentially completed according to step f, g, installs, pushes to adopt and remove work
Make.
As a preferred solution of the present invention, in step b, the outlet of the return air footrill be equipped with ventilation blower with
Realize force ventilation.
As another preferred embodiment of the invention, in step e, the equipment includes drag conveyor, hydraulic support
And coalcutter, and drag conveyor, hydraulic support and the coalcutter passes through the track in the assistant conveyance footrill
It is transported into.
Further, it is provided with the first rubber conveyer in the transportation roadway of first coal working face, described
Main haulage tunnel in be provided with the second rubber conveyer, first rubber conveyer and second rubber conveyer
Overlap joint, so that the coal that the first coal working face produces be transported through main haulage tunnel.
Further, in step e, the waste air that the first coal working face generates is entered by the first return air connection roadway
The return air footrill.
Further, in step g, the waste air that the second coal working face generates is entered by the second return air connection roadway
The return air footrill.
Compared with prior art, present invention offers following advantageous effects:
(1) coal working face is directly divided within the scope of field with "nine squares", is not further subdivided into exploiting field, panel or zone, that is, is cancelled
Preparatory working；
(2) three footrills being parallel to each other are arranged within the scope of field with "nine squares", wherein main haulage tunnel and assistant conveyance footrill are equal
It is designed as machine rail unification main entry, transport that coal working face produces coal and removes face and realize that driving face goes out by main haulage tunnel
Coal and the transport of spoil and the installation of coal face realized by assistant conveyance footrill；
(3) after the completion of two lane of coal working face is arranged, the assistant conveyance footrill conduct between two lanes is cut eye and is used, i.e., auxiliary
It helps haulage tunnel to be used as development work to use first, is used afterwards as stope drift active workings；
(4) connection roadway between assistant conveyance footrill and return air footrill is used to adopt, dig the return air of working face.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawing:
Fig. 1 is roadway layout schematic diagram of the present invention；
In figure: 1-main haulage tunnel, 2-assistant conveyance footrills, 3-return air footrills, 4-coals (rock) column, 5-terminal lines,
The track lane of 6-1# coal working faces, the return air connection roadway of 7-1# coal working faces, the transportation roadway of 8-1# coal working faces
(as the track lane of 2# coal working face after being retained using edge air gallery technology), the return air connection roadway of 9-2# coal working faces,
The transportation roadway (as the track lane of 3# coal working face after being retained using edge air gallery technology) of 10-2# coal working faces, 11-
The return air connection roadway of 3# coal working face, the transportation roadway (conduct after being retained using edge air gallery technology of 12-3# coal working faces
The track lane of 4# coal working face), the return air connection roadway of 13-4# coal working faces, the transportation roadway of 14-4# coal working faces
(as the track lane of 5# coal working face after being retained using edge air gallery technology), 15-5# coal working face return air connection roadways,
The transportation roadway of 16-5# coal working faces, 17-1# coal working faces are corresponding-and (later period is as coal-getter 1# for assistant conveyance footrill
That makees face cuts eye), 18-2# coal working faces are corresponding-assistant conveyance footrill (later period cuts eye as 2# coal working face),
19-3# coal working faces are corresponding-assistant conveyance footrill (later period cuts eye as 3# coal working face), 20-coal-getters 4#
Make face it is corresponding-assistant conveyance footrill (later period cuts eye as 4# coal working face), 21-5# coal working faces are corresponding-auxiliary
Help haulage tunnel (later period cuts eye as 5# coal working face).
Specific embodiment
The invention proposes a kind of roadway layout methods for improving the Coal Resources in Mine recovery ratio that is opened up by adits, in order to make this
The advantages of invention, technical solution are clearer, clear, elaborate combined with specific embodiments below to the present invention.
Major technique design of the invention is: exploiting field, panel or zone are no longer carried out within the scope of entire field with "nine squares"
It divides, but field with "nine squares" is directly divided into several coal working faces.This gateway layout method eliminates preparatory working, reduces
Tunnelling amount, reduces coal column quantity, has both improved coal resources recovery ratio, also simplifies the systems such as ventilation, transport.Favorably
In the centralized production for realizing mine and improve mine safety production coefficient.
Key step of the present invention are as follows:
The first step, tunnel first the main haulage tunnel of mine, assistant conveyance footrill and with return air footrill, wherein main transport
Footrill-and return air footrill are arranged in the stabilization rock stratum outside working seam range, and assistant conveyance footrill is arranged in working seam.
The return air footrill end is coupled by a connection roadway with assistant conveyance footrill, is then installed mine on the outside of return air footrill and is mainly led to
Blower.Main haulage tunnel is designed as machine rail unification main entry, and rubber conveyer is used to transport the coal of coal working face extraction, and track is used
In transport material and facility etc..Assistant conveyance footrill is also configured as machine rail unification main entry, and rubber conveyer is for transporting heading driver
Make the coal or spoil of face extraction, track is for transporting material and facility etc..
Second step, then arranges first coal working face along field with "nine squares" inboard boundary, and two lane of coal face is put down by assistant conveyance
Cave is tunneled to main haulage tunnel, directly flat in assistant conveyance corresponding with coal working face behind two lanes and the perforation of main haulage tunnel
Arrangement hydraulic support, drag conveyor and coalcutter etc., carry out the installation and back production of first coal working face, coal face in cave
Edge air gallery technology is used to retain track lane of the transportation roadway as second coal face in back production.
When third step, first coal face back production, from the transportation roadway of second coal face of assistant conveyance drifting.
4th step, when first coal face back production finishes, second coal face can carry out back production after being installed.
5th step, the rest may be inferred, completes the arrangement and back production of subsequent coal working face.
It elaborates combined with specific embodiments below.
Embodiment 1:
The present embodiment is illustrated by taking five coal working faces as an example, as shown in connection with fig. 1, basic condition are as follows: mine is opened
Adopt 7 coal seams, bearing length 2km, inclination width 4km, 5~10 °, average thickness 3.8m of inclination angle, Seam Roof And Floor lithology is
More stable packsand and middle sandstone, rock stratum is more stable middle sandstone other than balk band；5 are arranged in coal seam
Coal working face, using inclined longwell mining method, full-seam mining fully mechanized mining.
Specific method for arranging are as follows:
(1) main haulage tunnel 1 is arranged in the stabilization rock stratum first within the scope of field with "nine squares" along working seam trend outside coal seam
With return air footrill 3, assistant conveyance footrill 2 is arranged in coal seam；Wherein, it is stayed between return air footrill 3 and assistant conveyance footrill 2 and sets one
Coal (rock) column 4 of fixed width degree.Then the return air connection roadway 7 of 1# coal working face is tunneled by assistant conveyance footrill 2 and return air footrill 3
Perforation, and air door or air regulator controlled wind speed are installed in the return air connection roadway 7 of 1# coal working face, in going out for return air footrill 3
Mouth installs main fan in mine and realizes force ventilation.Main haulage tunnel 1 is designed as machine rail unification main entry, and rubber conveyer is located at
The right side of main haulage tunnel 1, for transporting the coal of coal working face extraction；Track is located at the left side of main haulage tunnel 1, for transporting
Defeated material and facility etc..Assistant conveyance footrill 2 is also configured as machine rail unification main entry, and rubber conveyer is located at assistant conveyance footrill 2
Left side, for transport driving face extraction coal or spoil；Track is located at the right side of assistant conveyance footrill 2, for transporting
Material and facility etc..
(2) the track lane 6 of 1# coal working face and the transportation roadway 8 of 1# coal working face are tunneled from assistant conveyance footrill 2, with
After main haulage tunnel 1 penetrates through, twice airdoor control wind speed is installed in place other than the terminal line 5 of transportation roadway 8.Then 1# is mined
Working face is corresponding-and assistant conveyance footrill 17 uses as cutting eye, and then the installment work of progress 1# coal working face, scraper plate are defeated
The equipment such as machine, hydraulic support, coalcutter are sent to be transported by the track in assistant conveyance footrill 2.The transportation roadway 8 of 1# coal working face
In rubber conveyer and main haulage tunnel 1 in rubber conveyer overlap, the coal of extraction by 1# coal working face transportation roadway 8
To main haulage tunnel 1, it is then transported to ground coal bunker or coal washery.1# coal working face uses gob side entry retaining skill during pushing to adopt
Art retains track lane of the transportation roadway 8 of 1# coal working face as 2# coal working face, and the waste air of working face passes through coal-getter 1#
The return air connection roadway 7 for making face enters return air footrill 3.
(3) after 1# coal working face pushes to adopt certain distance (as long as normal continuance that distance can guarantee digging), from
Assistant conveyance footrill 2 tunnels the return air connection roadway 9 of 2# coal working face and return air footrill 3 penetrates through, and in 2# coal working face
Air door or air regulator controlled wind speed are installed in return air connection roadway 9.Then the transportation roadway 10 and main transport of 2# coal working face are tunneled
Footrill 1 penetrates through, and twice airdoor control wind speed is installed in place other than the terminal line of the transportation roadway of 2# coal working face 10 5.So
Afterwards by 2# coal working face it is corresponding-assistant conveyance footrill 18 uses as cutting eye, and carries out the erector of 2# coal working face
Make, the equipment such as drag conveyor, hydraulic support and coalcutter are transported by the track in assistant conveyance footrill 2.
(4) 1# coal working face is pushed to adopt to terminal line 5, and 2# coal working face can be produced, and is used and stayed along sky
Lane technology retains track lane of the transportation roadway 10 of 2# coal working face as 3# coal working face, and the waste air of working face is adopted by 2#
The return air connection roadway 9 of coal working face enters return air footrill 3.The equipment that 1# coal working face is removed passes through in main haulage tunnel 1
Track transports, and simultaneously by the corresponding main haulage tunnel 1 of 1# coal working face return air footrill 3 corresponding with 2# coal working face into
Row is closed, prevents blind lane.
(5) and so on, according to step (3)-(4), the arrangement of subsequent coal working face is completed, installation, produces and removes
Work:
Specifically, after 2# coal working face pushes to adopt certain distance, tunnel the return air connection roadway 11 of 3# coal working face with
Return air footrill 3 penetrates through, and air door or air regulator controlled wind speed are installed in the return air connection roadway 11 of 3# coal working face.Then it digs
It is penetrated through into the transportation roadway 12 of 3# coal working face and main haulage tunnel 1, and in the terminal line of the transportation roadway of 3# coal working face 12 5
Twice airdoor control wind speed is installed in place in addition.Then by 3# coal working face it is corresponding-assistant conveyance footrill 19 is as cutting eye
It uses, and carries out the installment work of 3# coal working face, the equipment such as drag conveyor, hydraulic support and coalcutter pass through auxiliary fortune
Track in defeated footrill 2 is transported into.
2# coal working face is pushed to adopt to terminal line 5, and 3# coal working face can be produced, and uses gob side entry retaining skill
Art retains track lane of the transportation roadway 12 of 3# coal working face as 4# coal working face, and the waste air of working face passes through coal-getter 3#
The return air connection roadway 11 for making face enters return air footrill 3.The equipment that 2# coal working face is removed passes through the track in main haulage tunnel 1
It transports, and simultaneously carries out the corresponding main haulage tunnel 1 of 2# coal working face return air footrill 3 corresponding with 3# coal working face close
It closes, prevents blind lane.
After 3# coal working face pushes to adopt certain distance, the return air connection roadway 13 and return air footrill of 4# coal working face are tunneled
3 perforations, and air door or air regulator controlled wind speed are installed in the return air connection roadway 13 of 4# coal working face, it then tunnels 4# and mines
The transportation roadway 14 of working face and main haulage tunnel 1 penetrate through, and the place other than the terminal line of the transportation roadway of 4# coal working face 14 5
Install twice airdoor control wind speed.Then by 4# coal working face it is corresponding-assistant conveyance footrill 20 uses as cutting eye, go forward side by side
The installment work of row 4# coal working face, the equipment such as drag conveyor, hydraulic support and coalcutter pass through in assistant conveyance footrill 2
Track be transported into.
3# coal working face is pushed to adopt to terminal line 5, and 4# coal working face can be produced, and uses gob side entry retaining skill
Art retains track lane of the transportation roadway 14 of 4# coal working face as 5# coal working face, and the waste air of working face passes through coal-getter 4#
The return air connection roadway 13 for making face enters return air footrill 3.The equipment that 3# coal working face is removed passes through the track in main haulage tunnel 1
It transports, and simultaneously carries out the corresponding main haulage tunnel 1 of 3# coal working face return air footrill 3 corresponding with 4# coal working face close
It closes, prevents blind lane.
The rest may be inferred, arranges the fortune of 5# coal working face return air connection roadway 15,5# coal working face in 5# coal working face
Defeated lane 16,5# coal working face is corresponding-and 21 later period of assistant conveyance footrill as 5# coal working face cuts eye.
For 5# coal working face, there is still a need for retain 5# coal working face using edge air gallery technology during pushing to adopt
Transportation roadway 16 is used as air return lane.
Compared with prior art, the present invention directly divides working face within the scope of field with "nine squares", eliminates preparatory working, reduces
Tunnelling amount reduces coal column quantity, can improve Coal Resources in Mine recovery ratio；It is nervous to solve the problems, such as that digging connects, protects
It has demonstrate,proved coal working face normally to take over, and has been able to achieve the centralized production of mine；Roadway layout is simple, the systems such as ventilation, transport
Simply, adaptable, it can be used in inclination and below be opened up by adits in mine coal seam exploitation.
The part that do not address in the present invention uses or uses for reference prior art and can be realized.
Although more herein used the technologies such as footrill, track lane, transportation roadway, terminal line, rubber conveyer
Term, but it does not exclude the possibility of using other terms, and those skilled in the art are under the inspiration of the present invention to these terms
The simple replacement done, should all be within protection scope of the present invention.
Claims (6)
- The roadway layout method of Coal Resources in Mine recovery ratio 1. a kind of raising is opened up by adits, which is characterized in that successively include with Lower step:A, coal working face is directly divided within the scope of field with "nine squares"；B, tunnel the main haulage tunnel of mine, assistant conveyance footrill and with return air footrill, wherein main haulage tunnel and flat with return air Cave is arranged in the stabilization rock stratum outside working seam range, and assistant conveyance footrill is arranged in working seam, the main transport Footrill, assistant conveyance footrill and return air footrill three are parallel to each other, and are got in touch in the return air footrill end by the first return air Lane and assistant conveyance footrill penetrate through；C, the main haulage tunnel and the assistant conveyance footrill are both designed as machine rail unification main entry, and coal working face produces coal Transport and remove face work and realized by the main haulage tunnel, the transport of coal and spoil that driving face goes out and The installment work of coal face is realized by the assistant conveyance footrill；D, the first coal working face is arranged along field with "nine squares" inboard boundary, from first coal working face of assistant conveyance drifting Track lane and the first coal working face transportation roadway and penetrate through it with the main haulage tunnel respectively, by the first coal-getter Make face it is corresponding-assistant conveyance footrill uses as cutting eye；E, it cuts eye in the first coal working face to start that equipment is installed and carries out first coal working face to push to adopt, the equipment is used In mining and transporting coal, the coal of the first coal working face extraction is defeated by the adhesive tape in the first coal working face transportation roadway The rubber conveyer for sending machine to be delivered in the main haulage tunnel transports, the method that coal face uses gob side entry retaining in back production Retain track lane of the transportation roadway of first coal working face as second coal working face；F, when the first coal working face pushes to adopt certain distance, from second coal working face of assistant conveyance drifting Second return air connection roadway and the return air footrill penetrate through, and then tunnel the transportation roadway and the main fortune of the second coal working face The perforation of defeated footrill, then using the second coal working face it is corresponding-assistant conveyance footrill uses as eye is cut, and the second coal mining of progress The installment work of working face；G, after the first coal working face is pushed to adopt to terminal line, the second coal working face can be produced, and using staying along sky The transportation roadway of second coal working face is retained as the track lane of third coal working face by the method in lane；Remove the first coal-getter Make the equipment in face；H, and so on, the arrangement of subsequent coal working face is completed according to step f, g times, installs, pushes to adopt and remove work.
- The roadway layout method of Coal Resources in Mine recovery ratio 2. a kind of raising according to claim 1 is opened up by adits, It is characterized in that: in step b, ventilation blower being installed to realize force ventilation in the outlet of the return air footrill.
- The roadway layout method of Coal Resources in Mine recovery ratio 3. a kind of raising according to claim 1 is opened up by adits, Be characterized in that: in step e, the equipment includes drag conveyor, hydraulic support and coalcutter, and the scraper plate conveys Machine, hydraulic support and coalcutter are transported by the track in the assistant conveyance footrill.
- The roadway layout method of Coal Resources in Mine recovery ratio 4. a kind of raising according to claim 3 is opened up by adits, It is characterized in that: being provided with the first rubber conveyer in the transportation roadway of first coal working face, in the main transport The second rubber conveyer is provided in footrill, first rubber conveyer and second rubber conveyer overlap, from And the coal that the first coal working face produces is transported through main haulage tunnel.
- The roadway layout method of Coal Resources in Mine recovery ratio 5. a kind of raising according to claim 4 is opened up by adits, Be characterized in that: in step e, the waste air that the first coal working face generates enters described return by the first return air connection roadway Wind footrill.
- The roadway layout method of Coal Resources in Mine recovery ratio 6. a kind of raising according to claim 1 is opened up by adits, Be characterized in that: in step g, the waste air that the second coal working face generates enters described return by the second return air connection roadway Wind footrill.
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