CN107165669A - A kind of flexible filling method for deep mining control Water Inrush - Google Patents
A kind of flexible filling method for deep mining control Water Inrush Download PDFInfo
- Publication number
- CN107165669A CN107165669A CN201710441093.5A CN201710441093A CN107165669A CN 107165669 A CN107165669 A CN 107165669A CN 201710441093 A CN201710441093 A CN 201710441093A CN 107165669 A CN107165669 A CN 107165669A
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- Prior art keywords
- bag
- filling
- automatic turning
- bag mechanism
- goaf
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 238000005065 mining Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000007514 turning Methods 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 230000003028 elevating effect Effects 0.000 claims abstract description 13
- 238000012856 packing Methods 0.000 claims abstract description 5
- 239000002699 waste material Substances 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims 1
- 239000011435 rock Substances 0.000 abstract description 12
- 238000012546 transfer Methods 0.000 abstract description 3
- 239000003245 coal Substances 0.000 description 11
- 230000006378 damage Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000006424 Flood reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Classifications
-
- 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
- E21F15/005—Methods or devices for placing filling-up materials in underground workings characterised by the kind or composition of the backfilling material
-
- 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
- E21F15/06—Filling-up mechanically
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Revetment (AREA)
Abstract
The invention discloses a kind of flexible filling method for deep mining control Water Inrush, it comprises the following steps：The filling loaded in advance bag is transported on automatic turning bag mechanism by elevating conveyor, then by the conveying arrangement in automatic turning bag mechanism, filling bag is neatly closely spaced on automatic turning bag mechanism；Fill after the completion of bag arrangement, by turning over bagging apparatus in automatic turning bag mechanism, filling bag is thrown into goaf；With the continuous propulsion of working face, proceed next row packing job, next row obturation fills bag against a upper row, and repeat step A, B is circulated successively, until whole goaf completes filling operation.Deep mining goaf is filled using filling bag, overlying rock active force is delivered on seat earth by filling bag as Transfer Medium, is made bottom slab stress state from two to three-dimensional is changed into, is improved the non-deformability of floor rock.
Description
Technical field
Bottom plate is controlled the present invention relates to the padding field of prevention mine floor gushing water, more particularly to a kind of deep mining that is used for
The flexible filling method of gushing water.
Background technology
With the extension and the extension of the length of service of pit mining level, " a three high disturbances " severe phenomenon of appearance is given
Mine safety production brings serious influence.In China central and east colliery deep resource (accounting for reserves 70%) exploitation by Gao Cheng
Water is pressed to threaten serious, floods Frequent Accidents cause huge economic loss.Verified through researcher and threatened coal amount by floods
The 70.2% of mining area recoverable reserves is accounted for, therefore it is extremely urgent to solve the problem.
Deep coalmining Water Inrush feature has significant difference with shallow mining, and deep mining is by high-ground stress, Gao Shui
Pressure and strong exploitation disturbing influence, its Water Inrush have sudden, hysteresis quality and cause the feature of calamity by force.Current shallow mining control
The method of Water Inrush processed is main based on " Draining hook, grouting for water blocking ", and this method has that efficiency is low, cost is high, construction is difficult
The shortcomings of degree is big, control effect is poor, embodies in the following areas：
Draining hook technology is applied to the condition that shallow mining seat earth aquifer water pressure is small, current supply is small, and deep
Portion exploits bottom plate and is threatened serious by Ordovician karst water, and the aquifer water pressure is big, current supply is timely, and the method is extremely difficult to be expected mesh
's.
Deep mining floor grouting difficulty is big, is difficult to control and grasps.Deep mining floor water-bearing rock pressure is big, therefore,
Required grouting pressure increases therewith.When grouting pressure is not enough, slurries can not be sufficient filling with crack；When grouting pressure is too high, hold
New destruction is easily produced to rock mass, meanwhile, the increase of grouting pressure adds the burden of grouting pipeline, easily triggers pipeline quick-fried
Split, threaten safety of workers.
In addition, with the decline of coal price, the injecting paste material price rise such as flyash, cement, ton coal profit gradually subtracts
Small, existing method cost is high, control effect is poor, it is difficult to meet exploitation needs.
Therefore, prior art needs further improvement and developed.
The content of the invention
In view of above-mentioned the deficiencies in the prior art, are used for deep mining control bottom plate it is an object of the invention to provide one kind and dash forward
The flexible filling method of water, on the premise of cost is reduced, improves the pack effectiveness and filling intensity of deep mining above aquifer.
In order to solve the above technical problems, the present invention program includes：
A kind of flexible filling method for deep mining control Water Inrush, it comprises the following steps：
A, the filling loaded in advance bag is transported on automatic turning bag mechanism by elevating conveyor, then passes through automatic turning bag mechanism
In conveying arrangement, will filling bag be neatly closely spaced on automatic turning bag mechanism；
After the completion of B, filling bag arrangement, by turning over bagging apparatus in automatic turning bag mechanism, filling bag is thrown into goaf；
The complete filling in a row of C, repeat step A, B, during this, adjusts the height of automatic turning bag mechanism, makes its high at any time
Degree is more than the height of filling bag；With the continuous propulsion of working face, proceed next row packing job, next row obturation is tight
A top row fills bag, and repeat step A, B is circulated successively, until whole goaf completes filling operation.
Described flexible filling method, wherein, also include before step A：Spoil or building waste are carried out on ground
Crushing and screening, makes its particle diameter be less than 100mm, is loaded into and the above-mentioned filling bag loaded in advance is formed in filling bag, then transported through mine car
It is defeated to arrive in automatic turning bag mechanism.
Described flexible filling method, wherein, also include before step A：Automatic packer is laid in track crossheading
And elevating conveyor, elevating conveyor is connected close to goaf side with automatic turning bag mechanism, and automatic turning bag mechanism is fixed on filling support
Rear.
A kind of flexible filling method for deep mining control Water Inrush that the present invention is provided, using filling bag to depth
Portion exploitation goaf is filled, and overlying rock active force is delivered on seat earth by filling bag as Transfer Medium, makes bottom
Plate stress improves the non-deformability of floor rock from two to three-dimensional is changed into；Meanwhile, after goaf filling, reduce
The size and distribution of advance support stress in front of working face, so as to reduce destruction of the mining induced stress to bottom plate.Filler
From downhole gangue and surface structures rubbish, the production cost substantially reduced, while reducing spoil and building waste ground heap
The destruction that ecological environment of being rivals in a contest is produced.Extensively, easily construction, cost is low, and control effect is good for material source of the present invention, belongs to environment friend
Good moulded coal charcoal mining type, with wide applicability.
Brief description of the drawings
Fig. 1 is the structural representation using flexible filling method in the present invention；
Fig. 2 is the force-mechanism figure using flexible filling method in the present invention；
Wherein, 1- tracks crossheading；2- belt crossheadings；3- goafs；4- automatic packers；5- elevating conveyors；6- automatic turnings bag
Fill support；7- automatic turning bag mechanisms；8- fills bag；Advance support stress distribution before 9- fillings；Propped up in advance after 10- fillings
Power of promising distribution；Active force of the 11- overlying rocks to bottom plate；12- floor water-bearing rock hydraulic pressure；Coal seam floor failure after 13- fillings
Band scope；14- filling noseplate destruction band scopes.
Embodiment
The invention provides a kind of flexible filling method for deep mining control Water Inrush, to make the mesh of the present invention
, technical scheme and effect it is clearer, clear and definite, the present invention is described in more detail below.It should be appreciated that described herein
Specific embodiment only to explain the present invention, be not intended to limit the present invention.
It is used for the flexible filling method that deep mining controls Water Inrush the invention provides a kind of, as shown in Figure 1, its
Comprise the following steps：
Step one, the filling loaded in advance bag 8 is turned into 5 by elevating conveyor to transport on automatic turning bag mechanism 7, then by automatic
Conveying arrangement in bag overturning machine structure 7, filling bag is neatly closely spaced on automatic turning bag mechanism 7；
Step 2, after the completion of filling bag 8 is arranged, by turning over bagging apparatus in automatic turning bag mechanism 7, filling bag 8 is thrown into
In goaf 3；
Step 3, the complete filling in a row of repeat step one, step 2 during this, adjusts automatic turning bag mechanism 7 at any time
Highly, its height is made to be more than the height of filling bag 8；With the continuous propulsion of working face, proceed next row packing job, under
One row's obturation fills bag against a upper row, and repeat step one, step 2 are circulated successively, until whole goaf completes filling
Work.
Further, also include before step one：Spoil or building waste are subjected to crushing and screening on ground, make it
Particle diameter is less than 100mm, is loaded into and the above-mentioned filling bag 8 loaded in advance is formed in filling bag 8, then through car-haul to automatic turning bag
In mechanism 7.And automatic packer 4 and elevating conveyor 5 are laid in track crossheading 1, elevating conveyor 5 is close to the side of goaf 3 and certainly
Dynamic bag overturning machine structure 7 is connected, and automatic turning bag mechanism 7 is fixed on the rear of automatic turning bag filling support 6.
It is more specifically：
Automatic packer 4 and elevating conveyor 5 are laid in track crossheading 1, elevating conveyor 5 is close to the side of goaf 3 and automatic turning
Bag mechanism 7 is connected, and automatic turning bag mechanism 7 is fixed on the rear of automatic turning bag filling support 6.On ground by spoil or building waste
Crushing and screening is carried out, its particle diameter is less than 100mm, through being packed in car-haul to automatic bag overturning machine, filling bag 8 is by turning
Carrier aircraft 5 is transported on automatic turning bag mechanism 7, and the filling uniform close of bag 8 is arranged in into goaf 3 by automatic turning bag mechanism 7
Side, start automatic turning bag mechanism 7 turns over bagging apparatus, and filling bag 8 is thrown into goaf 3.After the completion of first layer filling, according to
Aforesaid operations, carry out second layer filling, during this, and the height of automatic turning bag mechanism is adjusted at any time, its height is more than filling
The height of bag, just smoothly implements with filling.After the completion of filling, start the push and block device at filling support 6 rear portion, adopt filling bag
Arrangement is close in dead zone 3.With the continuous propulsion of working face, proceed next row packing job, next row filling bag is abutted
A upper row fills bag, repeats aforesaid operations, until whole goaf completes filling operation.
The force-mechanism figure of flexible filling method is more specifically described in Fig. 2：
Extend with the continuous exploitation of state coal resource, existing many mines enter the following group coal mining of Permian-carboniferous,
Mining depth increase, plate destructing depth caused by ore deposit pressure is increased, and the following group coal seam bottom aquifer in Ordovician limestone is present that pressure is big, water
The features such as amount is abundant, even if such as taking band, jacking of floor special exploitation method, can not still ensure safe working, mine is dashed forward
Water accident frequently occurs, or even can not exploit, and causes the huge waste of resource.Flexible filling is exploited, i.e., after working face mining,
Automatic packer 4 is laid in track crossheading 1 gangue and urban building waste material are loaded into filling bag 8 by automatic
Bag overturning machine structure 7 is ploughed under in goaf and filled in time, face surrounding rock is obtained immediate support, improves the entirety itself of country rock
Bearing capacity, limits its roof and floor mobile space, and then reaches that reduction bottom plate breaks ring, ensures the purpose of mine safety mining.
After traditional caving method exploitation, stress in coal bed is changed into two from former three-dimensional stress and dropped to stress state and base sheet stresses
Low area, occurs bottom plate pucking under lateral action of underground and loses its stability, porosity and permeability are larger, block water
Performance is reduced, the conduit pipe formed in the case where bottom plate Ordovician karst water artesian water and mining induced stress are acted on, and gushing water shadow is produced to working face
Ring；When exploiting the coal seam that deep is threatened by artesian water using flexible filling method, filling bag 8 is by filler in automatic turning bag mechanism
Goaf 3 is filled with the presence of 7 until equal with roof, now obturation bears the load of top rock stratum, and to bottom plate
Transfer, and because filling bag has certain flexibility to allow pressure to act on and apply certain pressure to bottom plate, bottom plate pucking trend is limited,
Flexible filling body occupies the space of bottom plate migration, and the possibility filling mining periodic weighting for preventing floor space from migrating is not obvious,
Its disturbing influence to bottom plate is reduced, it is changed into damage envelope after existing filling from the former caving method exploitation scope of coal seam floor failure 14
13, improve the stress distribution and state of bottom plate surrounding rock body, bottom plate water guide destruction band depth is substantially reduced, and then adds bottom plate
The thickness of water barrier, improves the bearing capacity of bottom plate itself, safeguards that the stable of bottom plate improves the seam mining upper limit jointly, liberation by
The reserves on mine that water is threatened.
Certainly, described above is only presently preferred embodiments of the present invention, and the present invention is not limited to enumerate above-described embodiment, should
When explanation, any those skilled in the art are all equivalent substitutes for being made, bright under the teaching of this specification
Aobvious variant, all falls within the essential scope of this specification, ought to be protected by the present invention.
Claims (3)
1. a kind of flexible filling method for deep mining control Water Inrush, it comprises the following steps：
A, the filling loaded in advance bag is transported on automatic turning bag mechanism by elevating conveyor, then by automatic turning bag mechanism
Conveying arrangement, filling bag is neatly closely spaced on automatic turning bag mechanism；
After the completion of B, filling bag arrangement, by turning over bagging apparatus in automatic turning bag mechanism, filling bag is thrown into goaf；
The complete filling in a row of C, repeat step A, B, during this, adjusts the height of automatic turning bag mechanism, makes its height big at any time
In the height of filling bag；With the continuous propulsion of working face, proceed next row packing job, next row obturation is against upper
One row fills bag, and repeat step A, B is circulated successively, until whole goaf completes filling operation.
2. flexible filling method according to claim 1, it is characterised in that also include before step A：On ground by cash
Stone or building waste carry out crushing and screening, its particle diameter is less than 100mm, be loaded into formed in filling bag it is above-mentioned load in advance fill
Bag is filled out, then through in car-haul to automatic turning bag mechanism.
3. flexible filling method according to claim 1, it is characterised in that also include before step A：In track crossheading
Interior laying automatic packer and elevating conveyor, elevating conveyor are connected close to goaf side with automatic turning bag mechanism, automatic turning bag mechanism
It is fixed on the rear of filling support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710441093.5A CN107165669A (en) | 2017-06-13 | 2017-06-13 | A kind of flexible filling method for deep mining control Water Inrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710441093.5A CN107165669A (en) | 2017-06-13 | 2017-06-13 | A kind of flexible filling method for deep mining control Water Inrush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107165669A true CN107165669A (en) | 2017-09-15 |
Family
ID=59825967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710441093.5A Pending CN107165669A (en) | 2017-06-13 | 2017-06-13 | A kind of flexible filling method for deep mining control Water Inrush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107165669A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202558A (en) * | 2021-05-12 | 2021-08-03 | 华亭煤业集团有限责任公司 | Anti-bottom-heaving flexible film bag device and using method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2317476A1 (en) * | 1975-07-11 | 1977-02-04 | Coal Industry Patents Ltd | MINE BACKFILLING EQUIPMENT |
| CN87101337A (en) * | 1987-05-16 | 1988-12-07 | 孔祥清 | The method and apparatus of coal mine waste rock bashing |
| CN101165317A (en) * | 2006-10-16 | 2008-04-23 | 中国矿业大学(北京) | Filling device and method for filling down-hole goaf by same |
| CN102562149A (en) * | 2011-12-31 | 2012-07-11 | 山东科技大学 | Automatic bag-overturning filling method in worked-out area |
-
2017
- 2017-06-13 CN CN201710441093.5A patent/CN107165669A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2317476A1 (en) * | 1975-07-11 | 1977-02-04 | Coal Industry Patents Ltd | MINE BACKFILLING EQUIPMENT |
| CN87101337A (en) * | 1987-05-16 | 1988-12-07 | 孔祥清 | The method and apparatus of coal mine waste rock bashing |
| CN101165317A (en) * | 2006-10-16 | 2008-04-23 | 中国矿业大学(北京) | Filling device and method for filling down-hole goaf by same |
| CN102562149A (en) * | 2011-12-31 | 2012-07-11 | 山东科技大学 | Automatic bag-overturning filling method in worked-out area |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202558A (en) * | 2021-05-12 | 2021-08-03 | 华亭煤业集团有限责任公司 | Anti-bottom-heaving flexible film bag device and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170915 |
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| RJ01 | Rejection of invention patent application after publication |