CN106968708A - A kind of half-edge coal seam moves towards fully mechanized mining without coal column sublevel fill stoping coal-mining method - Google Patents
A kind of half-edge coal seam moves towards fully mechanized mining without coal column sublevel fill stoping coal-mining method Download PDFInfo
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- CN106968708A CN106968708A CN201611010428.XA CN201611010428A CN106968708A CN 106968708 A CN106968708 A CN 106968708A CN 201611010428 A CN201611010428 A CN 201611010428A CN 106968708 A CN106968708 A CN 106968708A
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- 238000005065 mining Methods 0.000 title claims abstract description 83
- 239000003245 coal Substances 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000000872 buffer Substances 0.000 claims description 18
- 239000006210 lotion Substances 0.000 claims description 16
- 239000007789 gas Substances 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000007598 dipping method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 239000013589 supplement Substances 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 239000010881 fly ash Substances 0.000 claims description 5
- 239000002390 adhesive tape Substances 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- 239000011435 rock Substances 0.000 abstract description 9
- 238000011084 recovery Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 description 8
- 230000018109 developmental process Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000002775 capsule Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000008771 sex reversal Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
-
- 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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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
Fully mechanized mining is moved towards without coal column sublevel fill stoping coal-mining method the invention discloses a kind of half-edge coal seam, and its Method And Principle is：Behind half-edge coal seam field dividing exploiting field, across pitch arrangement longwall full-mechanized mining technique working face, after the advance of the face, goaf across pitch carries out sublevel fill stoping.According to rock mechanics principle and the lithology of working face overlying rock, under conditions of ensureing overlying rock top is not broken always, determine the dimension D of sublevel fill stoping body and the limited span L of sublevel fill stoping, and obturation intensity；Obturation fill area is separated to form tendency closing filling area by section fender and rectangular balloon, and paste body filling is carried out using pipeline in closed area；Using the inventive method, charging quantity can be reduced, reduce filling cost, and improve resource recovery, safety, green, economic coal mining effect is reached.
Description
Technical field
Move towards fully mechanized mining the present invention relates to mining technique method field, more particularly to a kind of half-edge coal seam and filled without coal column segmentation
Fill out coal-mining method.
Background technology
Half-edge coal seam refers to that preservation inclination angle is more than 45 ° of coal seam, and the safe and efficient mechanical mining in such coal seam is one
Individual global problem.The reserves of China's half-edge coal seam constitute about the 17% of coal gross reserves, and it is total that its annual production only accounts for national coal
The 3.8% of yield.According to statistics, in many places State owned coal mine of China 600 and local mine, the mine of exploitation half-edge coal seam has
100 many places, ratio account for 16.5%.
Recently as the increase of pit mining intensity, cause high-quality coal resource exhausted rapidly, for ensure mine can
Sustainable development, many mining areas have to take into account that steeply-inclined seam mining, such as Yanzhou, Xingtai and open Luan, Huainan, Anhui,
Xuzhou, Guizhou, Sichuan, Chongqing, Yunnan, Xinjiang, Gansu, Ningxia Province (area) mining area etc..Additionally due to mine of western economy
Development is relatively delayed, and the exploitation of coal resources has been the important component of its source of finance, according to statistics mine of western
In more than 50% pit mining be half-edge coal seam.
And the resource recovery of steeply-inclined seam mining is less than 30%.In national energy structure sex reversal, implement energy-saving and emission-reduction
Under the background of strategy of sustainable development policy, in the near future, the harmless exploitation of coal must be trend of the times.
In recent years, under the support of national policy and enterprise, filling mining technology is successfully realized in Xin Wen, Xing east mining area
Industrial production, filling mining has obtained the affirmative of industry and society as a kind of new coal-mining method.
However, filling mining technology is at present only in the practice of a small number of mining areas, more problem still has to be solved, for example：Currently adopt
Dead zone whole filling method needs substantial amounts of filler, and substantial amounts of filler needs to be delivered to filling operation face, increases
The technical difficulty and cost of winning of coal mining are added.Moreover, the half-edge coal seam fully mechanized mining work in mine of western such as Gansu, Sichuan
Make in face, the theoretical foundation and technical experience not filled to goaf also.The difficulty of steeply-inclined seam mining is larger, rock
Layer control is also more difficult, and basic strata movement mechanism is not yet ripe.
In view of the above-mentioned problems, the present invention, which proposes a kind of half-edge coal seam, moves towards fully mechanized mining without coal column sublevel fill stoping coal mining side
Method, enriches the exploitation system of half-edge coal seam, to adaptation coal industry development in the urgent need to Important Economic, environment
And social value.
The content of the invention
The purpose of the present invention is：The resource recovery that need to retain present in ore pillar for traditional high-dipping coal-mining method is low, with
And the whole filling methods in goaf a large amount of fillers, the problem of filling conveying cost is higher the need for existing in the prior art, carry
For a kind of simple, safety, green, economic, practical half-edge coal seam fully mechanized mining sublevel fill stoping coal-mining method.
To achieve the above object, thought of realizing of the invention is the present invention：Behind half-edge coal seam field dividing exploiting field, edge
Move towards to arrange longwall full-mechanized mining technique working face, after the advance of the face, goaf across pitch carries out sublevel fill stoping；And it is former according to rock mechanics
The lithology of reason and working face overlying rock, under conditions of ensureing that the old top of overlying rock is not broken, determines the chi of sublevel fill stoping body
Very little D and sublevel fill stoping limited span L, and obturation intensity；Obturation fill area is by section fender and rectangle gas
Capsule is separated to form tendency closing filling area, and paste body filling is carried out using pipeline in closed area；Goaf utilizes lotion along coal
Layer is moved towards to carry out after sublevel fill stoping, and controlroof key stratum or old top are not broken, and earth's surface is not sunk, and finally realizes half-edge coal seam
Green, science exploitation.
The technical solution adopted by the present invention is：A kind of half-edge coal seam moves towards fully mechanized mining without coal column sublevel fill stoping coal-mining method,
It is characterized in that：Comprise the following steps：
S1：In high_dipping face exploitation process, promote after a filling span L, installed between upper crossheading and lower crossheading
First filling template, the first filling template immediately mined out face of back production；
S2：Stope continues to promote a filling scapus after D, and installing second between upper crossheading and lower crossheading fills
Template, the second filling template immediately mined out face of back production；
S3：Lotion is filled between the first filling template and the second filling template, in the first filling template (191) and the second filling
Lotion is filled between template (192), such as spoil adhesive bond, flyash adhesive bond treat that there is lotion early strength can support
After overlying strata stressor layer, the first filling template is dismantled with the second filling template, filling scapus is formed；
S4：Working face continues to be advanced into another filling span L, and installs the first filling template again, enters in the same way
Row sublevel fill stoping, so circulation.
Illustrate as further optimization, first filling template and the second filling template are made of air bag.
Illustrate as further optimization, lotion process is filled in the S3, lotion transport is carried out by filling trunk line
And filling, filling trunk line is laid in crossheading, and is external to earth's surface.
Illustrate as further optimization, the filling trunk line is connected with working face filling pipeline and supplement filling pipe,
Working face filling pipeline connects multiple filling branched pipes, and filling branched pipe is used for the filling of obturator different height, and working face fills
Fill out pipeline be used for supply filling branched pipe, supplement filling pipe be arranged in crossheading.
Illustrate that first filling template and the second filling template are entered by loading air bag puffer as further optimization
Row release and inflation, load air bag puffer and are arranged on upper crossheading.
Illustrate that first filling template and the second filling template are filled with 0.5Mpa to 0.8Mpa's as further optimization
Gases at high pressure.
Illustrate as further optimization, the stope is disposed with comprehensive mining hydraulic bracket, coal-winning machine, scraper plate transport
Machine, isolating device, working face filling pipeline and filling branched pipe, the anterior arrangement coal-winning machine of comprehensive mining hydraulic bracket and scraper plate transport
Machine, comprehensive mining hydraulic bracket is arranged on base by rear column and front column, and isolating device is arranged in comprehensive mining hydraulic bracket rear portion,
Comprehensive mining hydraulic bracket rear portion adds carrying roller, and carrying roller is used to work the first filling template and the second filling template discharge to whole
Rear support overarm is also extended at face bottom, the rear portion of comprehensive mining hydraulic bracket, and working face filling pipeline and filling branched pipe are arranged in
Comprehensive mining hydraulic bracket rear portion.
Illustrate that the lower crossheading is disposed with face end support, elevating conveyor and scalable adhesive tape conveyor as further optimization.
Further specific optimization explanation of the fully mechanized mining without coal column sublevel fill stoping coal-mining method is moved towards as above-mentioned half-edge coal seam,
Its step includes as follows：
S1:Filling trunk line is laid into supreme crossheading by ground, integrated hydraulic support is arranged in working face；
S2:Upper crossheading, which sets to install, loads air bag puffer, and integrated hydraulic support front portion is provided with coal-winning machine and scratch board conveyor,
Working face filling pipeline and filling branched pipe are arranged in integrated hydraulic support rear portion；
S3:The normal back production of high_dipping face, promotes after latter filling span L, loads air bag puffer and pass through integrated hydraulic
The carrying roller that support rear portion is installed additional is by the first filling template discharge to whole working face bottom, and the first filling template is air bag form,
First filling template is filled with 0.5-0.8Mpa gases at high pressure, makes its expansion immediately goaf palisades；
S4:Working face continues to promote a filling scapus after D, is done in the same fashion the filling template of discharge second, the
Two filling templates are air bag form, and are filled with 0.5-0.8Mpa gases at high pressure, thus two air bags and lower goaf rib shape
Into the fill area of closing, paste body filling closed area is carried out using the filling branched pipe of working face, obturation is fills up to
The elevation location of crossheading, carries out washing pipe after sand off；
S5:While working face continues to promote, there is scapus to be filled early strength can support after overburden pressure, air bag
Gas is unloaded, the first filling template and the second filling template is filled using air bag puffer time is loaded, forms filling scapus.
S6:When working face continues to be advanced into another filling span L, then the filling template of discharge first, with above-mentioned same
Mode carry out sublevel fill stoping, so circulation, whole exploiting field is being walked to be upwardly formed sublevel fill stoping scapus.
The technique effect of the present invention is as follows：
1st, by the way that without coal column subsection filling coal-mining method, filling scapus which can support old top or pass in top plate, controlroof rock stratum
Key layer is not broken, and can preferably reduce overlying rock deformation, and effectively control ground settlement；Meanwhile, this kind of method
Charging quantity can largely be reduced, reduce filling cost, and avoid the need for retaining the barrier clutch of large area, larger journey
Improve resource recovery degree, simple, safety, green, economic, practical high-dipping coal mining effect can be reached.
2nd, carry out moving towards sublevel fill stoping, part filling area can use spoil, waste solid and flyash the like waste conduct
Casting resin, can consume the spoil, waste solid and flyash the like waste in mine, and change is given up as obturation material, reduced to ring
The pollution in border.
3rd, carry out not influenceing stope to be mined while sublevel fill stoping, can preferably realize that filling is assisted with back production
Tune to open and adopt.
4th, by way of pipeline transportation fills lotion, filling workload is largely reduced, is largely subtracted
Lack the labor intensity of workman, improve pack effectiveness.
5th, by installing back brace overarm and carrying roller additional in comprehensive mining hydraulic bracket, it will can be loaded in upper crossheading in air bag puffer
Air bag is smoothly laid on comprehensive mining hydraulic bracket rear, fills module full of being used as after gases at high pressure, and can pass through puffer
Recycled, save filling module consumptive material, realize the mechanical automation of the die-filling form removal of filling, the work for reducing workman is strong
Degree, with certain economic benefit.
Brief description of the drawings
Fig. 1 is filling structure and device distribution structural representation of the invention；
The Section A-A schematic diagram that Fig. 2 arranges for stope equipment in the present invention；
In figure：1 is face end support；2 be elevating conveyor；3 be scalable adhesive tape conveyor；4 be comprehensive mining hydraulic bracket；5 be coal-winning machine；
6 be scratch board conveyor；7 be filling scapus；8 be isolating device；9 be filling trunk line；10 be rear column；11 be front column；
12 be upper crossheading；13 be lower crossheading；14 be working face filling pipeline；15 be filling branched pipe；16 be base；17 be supplement filling
Pipe；18 be loading air bag puffer；19 be filling template；20 be air bag carrying roller；21 be that back brace is hung oneself from a beam；D is filling scapus width；
L is filling scapus span.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of half-edge coal seam moves towards fully mechanized mining without coal column sublevel fill stoping coal-mining method, comprise the following steps：
S1：In high_dipping face exploitation process, promote after a filling span L, between upper crossheading 12 and lower crossheading 13
First filling template 191 is installed, the first filling template 191 immediately mined out face of back production；
S2：Stope continues to promote a filling scapus after D, and second is installed between upper crossheading 12 and lower crossheading 13
Filling template 192, the second filling template 192 immediately mined out face of back production；
S3：Lotion is filled between the first filling template 191 and the second filling template 192, in the first filling template (191) and the
Lotion is filled between two filling templates (192), such as spoil adhesive bond, flyash adhesive bond treat that lotion has early strength energy
Support after overburden pressure, the first filling template 191 is dismantled with the second filling template 192, form filling scapus 7；
S4：Working face continues to be advanced into another filling span L, and installs the first filling template 191 again, in the same way
Carry out sublevel fill stoping, so circulation.
Further there is explanation as above-mentioned embodiment, as shown in Figure 1：
The filling template 192 of first filling template 191 and second is made of air bag；
Lotion process is filled in the S3, lotion transport and filling is carried out by filling trunk line 9, filling trunk line 9 is spread
It is located in crossheading 12, and is external to earth's surface；
The filling trunk line 9 is connected with working face filling pipeline 14 and supplement filling pipe 17, and working face filling pipeline 14 connects
Multiple filling branched pipes 15 are connect, filling branched pipe 15 is used for the filling of the different height of obturator 7, and working face filling pipeline 14 is used for
Supply filling branched pipe 15, supplement filling pipe 17 is arranged in crossheading 12；
The filling template 192 of first filling template 191 and second is discharged and inflated by loading air bag puffer 18, is filled
Carrier gas capsule puffer 18 is arranged on upper crossheading 12；
The lower crossheading 13 is disposed with face end support 1, elevating conveyor 2 and scalable adhesive tape conveyor 3.
Further there is explanation as above-mentioned embodiment, as depicted in figs. 1 and 2：The stope is disposed with
Comprehensive mining hydraulic bracket 4, coal-winning machine 5, scratch board conveyor 6, isolating device 8, working face filling pipeline 14 and filling branched pipe 15, it is comprehensive
The anterior arrangement coal-winning machine 5 and scratch board conveyor 6 of mining hydraulic bracket 4, comprehensive mining hydraulic bracket 4 pass through rear column 10 and front column 11
On base 16, isolating device 8 is arranged in the rear portion of comprehensive mining hydraulic bracket 4, and the rear portion of comprehensive mining hydraulic bracket 4 adds carrying roller
20, carrying roller 20 is used for the first filling template 191 and the discharge of the second filling template 192 to whole working face bottom, fully mechanized mining hydraulic pressure
Rear support overarm 21 is also extended at the rear portion of support 4, and working face filling pipeline 14 and filling branched pipe 15 are arranged in fully mechanized mining hydraulic pressure
The rear portion of support 4.
Further there is explanation, the filling template 192 of the first filling template 191 and second as above-mentioned embodiment
It is filled with 0.5Mpa to 0.8Mpa gases at high pressure.
According to above-mentioned implementation, its specific implementation process is as follows：
S1:Filling trunk line 9 is laid into supreme crossheading 12 by ground, in working face arrangement integrated hydraulic support 4；
S2:Upper crossheading 12, which sets to install, loads air bag puffer 18, and the front portion of integrated hydraulic support 4 is provided with coal-winning machine 5 and scraper plate
Transporter 6, the rear portion of integrated hydraulic support 4 arrangement working face filling pipeline 14 and filling branched pipe 15；
S3:The normal back production of high_dipping face, is promoted after latter filling span L, is loaded air bag puffer 18 and is passed through comprehensive liquid
The carrying roller 20 that the rear portion of support 4 is installed additional is pressed by the discharge of the first filling template 191 to whole working face bottom, the first filling template 191
For air bag form, the first filling template 191 is filled with 0.5-0.8Mpa gases at high pressure, makes its expansion immediately goaf palisades；
S4:Working face continues to promote a filling scapus after D, is done in the same fashion the second filling template of discharge 192,
Second filling template 192 is air bag form, and is filled with 0.5-0.8Mpa gases at high pressure, thus two air bags and lower goaf coal
Wall forms the fill area of closing, carries out paste body filling closed area using the filling branched pipe 15 of working face, obturation is filled
The elevation location of crossheading is filled to, carries out washing pipe after sand off；
S5:While working face continues to promote, there is scapus to be filled early strength can support after overburden pressure, air bag
Gas is unloaded, the first filling template 191 and the second filling template 192 are filled for 18 times using air bag puffer is loaded, filling scapus 7 is formed.
S6:When working face continues to be advanced into another filling span L, then the first filling template of discharge 191, with above-mentioned same
The mode of sample carries out sublevel fill stoping, so circulation, whole exploiting field is being walked to be upwardly formed sublevel fill stoping scapus 7.
Claims (9)
1. a kind of half-edge coal seam moves towards fully mechanized mining without coal column sublevel fill stoping coal-mining method, it is characterised in that：Comprise the following steps：
S1：In high_dipping face exploitation process, promote after a filling span L, in upper crossheading (12) and lower crossheading (13)
Between the first filling template (191) is installed, the first filling template (191) immediately mined out face of back production；
S2：Stope continues to promote a filling scapus after D, and the is installed between upper crossheading 12 and lower crossheading (13)
Two filling templates (192), the second filling template (192) immediately mined out face of back production；
S3：Lotion, such as spoil adhesive bond, flyash are filled between the first filling template (191) and the second filling template (192)
Adhesive bond etc., after there is lotion early strength can support overburden pressure, to the first filling template (191) and the second filling
Template (192) is dismantled, and forms filling scapus (7)；
S4：Working face continues to be advanced into another filling span L, and installs the first filling template (191) again, with same side
Formula carries out sublevel fill stoping, so circulation.
2. half-edge coal seam according to claim 1 moves towards fully mechanized mining without coal column sublevel fill stoping coal-mining method, it is characterised in that：
First filling template (191) and the second filling template (192) are made of air bag.
3. half-edge coal seam according to claim 2 moves towards fully mechanized mining without coal column sublevel fill stoping coal-mining method, it is characterised in that：
Lotion process is filled in the S3, lotion transport and filling is carried out by filling trunk line (9), filling trunk line 9 is laid
In upper crossheading (12), and it is external to earth's surface.
4. half-edge coal seam according to claim 3 moves towards fully mechanized mining without coal column sublevel fill stoping coal-mining method, it is characterised in that：
The filling trunk line (9) is connected with working face filling pipeline (14) and supplement filling pipe (17), working face filling pipeline
(14) multiple filling branched pipes (15) are connected, filling branched pipe (15) is used for the filling of the different height of obturator 7, working face filling
Pipeline 14 is used to supply filling branched pipe (15), and supplement filling pipe (17) is arranged in crossheading (12).
5. half-edge coal seam according to claim 4 moves towards fully mechanized mining without coal column sublevel fill stoping coal-mining method, it is characterised in that：
First filling template (191) and the second filling template (192) are discharged and inflated by loading air bag puffer (18),
Load air bag puffer (18) and be arranged on upper crossheading (12).
6. half-edge coal seam according to claim 5 moves towards fully mechanized mining without coal column sublevel fill stoping coal-mining method, it is characterised in that：
First filling template (191) and the second filling template (192) are filled with 0.5Mpa to 0.8Mpa gases at high pressure.
7. half-edge coal seam according to claim 6 moves towards fully mechanized mining without coal column sublevel fill stoping coal-mining method, it is characterised in that：
The lower crossheading (13) is disposed with face end support (1), elevating conveyor (2) and scalable adhesive tape conveyor (3).
8. half-edge coal seam according to claim 7 moves towards fully mechanized mining without coal column sublevel fill stoping coal-mining method, it is characterised in that：
The stope is disposed with comprehensive mining hydraulic bracket (4), coal-winning machine (5), scratch board conveyor (6), isolating device (8), work
Face filling pipeline (14) and filling branched pipe (15), the anterior arrangement coal-winning machine (5) of comprehensive mining hydraulic bracket (4) and scratch board conveyor
(6), comprehensive mining hydraulic bracket (4) is arranged on base (16) by rear column (10) and front column (11), isolating device (8) arrangement
At comprehensive mining hydraulic bracket (4) rear portion, comprehensive mining hydraulic bracket (4) rear portion adds carrying roller (20), and carrying roller (20) is used to fill first
Mold filling plate (191) and the second filling template (192) discharge are to whole working face bottom, and the rear portion of comprehensive mining hydraulic bracket (4) is also prolonged
Rear support overarm (21) is stretched out, working face filling pipeline (14) and filling branched pipe (15) are arranged in after comprehensive mining hydraulic bracket (4)
Portion.
9. half-edge coal seam according to claim 1 moves towards fully mechanized mining without coal column sublevel fill stoping coal-mining method, it is characterised in that：
Its step includes as follows：
S1:Filling trunk line (9) is laid into supreme crossheading (12) by ground, in working face arrangement integrated hydraulic support (4)；
S2:Upper crossheading (12), which sets to install, loads air bag puffer (18), and integrated hydraulic support (4) front portion is provided with coal-winning machine
(5) and scratch board conveyor (6), integrated hydraulic support (4) rear portion arrangement working face filling pipeline (14) and branched pipe (15) is filled；
S3:The normal back production of high_dipping face, promotes after latter filling span L, loads air bag puffer (18) and pass through synthesis
The carrying roller (20) that hydraulic support (4) rear portion is installed additional fills the first filling template (191) discharge to whole working face bottom, first
Template (191) is air bag form, and the first filling template (191) is filled with 0.5-0.8Mpa gases at high pressure, its expansion is immediately adopted
Dead zone palisades；
S4:Working face continues to promote a filling scapus after D, is done in the same fashion the filling template of discharge second
(192), the second filling template (192) is air bag form, and is filled with 0.5-0.8Mpa gases at high pressure, thus two air bags with it is mined out
Area bottom rib forms the fill area of closing, and paste body filling enclosed area is carried out using the filling branched pipe (15) of working face
Domain, obturation is fills up to the elevation location of crossheading, carries out washing pipe after sand off；
S5:While working face continues to promote, there is scapus to be filled early strength can support after overburden pressure, air bag
Gas is unloaded, the first filling template (191) and the second filling template (192) is filled using air bag puffer (18) time is loaded, forms filling
Scapus (7)；
S6:When working face continues to be advanced into another filling span L, then the filling template of discharge first (191), with above-mentioned same
Mode carry out sublevel fill stoping, so circulation, whole exploiting field is being walked to be upwardly formed sublevel fill stoping scapus (7).
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Cited By (9)
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|---|---|---|---|---|
| CN108222938A (en) * | 2018-02-07 | 2018-06-29 | 西安科技大学 | A kind of large-inclination-angle coal bed goaf combination grouting filling recovery method |
| CN109653796A (en) * | 2018-12-18 | 2019-04-19 | 山东科技大学 | A kind of fully mechanized coal face end gasbag-type fast blockage wind apparatus |
| CN110145363A (en) * | 2019-04-30 | 2019-08-20 | 中国矿业大学(北京) | A kind of Roof Control method realized fully mechanized coal face and be caving filling mining transition |
| CN110984987A (en) * | 2019-12-23 | 2020-04-10 | 西安科技大学 | Large-inclination-angle coal seam working face local filling pillar-free mining method and system |
| CN111075505A (en) * | 2019-12-17 | 2020-04-28 | 天地科技股份有限公司 | Coal mine fully-mechanized coal mining face segmented filling mining method |
| CN111636917A (en) * | 2020-05-11 | 2020-09-08 | 北京科技大学 | Multi-stope rapid switching continuous filling device and using method |
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