CN106988780B - A kind of girdle goaf paste body filling construction method - Google Patents
A kind of girdle goaf paste body filling construction method Download PDFInfo
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- CN106988780B CN106988780B CN201710319400.2A CN201710319400A CN106988780B CN 106988780 B CN106988780 B CN 106988780B CN 201710319400 A CN201710319400 A CN 201710319400A CN 106988780 B CN106988780 B CN 106988780B
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- 238000010276 construction Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 279
- 238000003780 insertion Methods 0.000 claims abstract description 16
- 230000037431 insertion Effects 0.000 claims abstract description 16
- 238000002347 injection Methods 0.000 claims abstract description 9
- 239000007924 injection Substances 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 26
- 238000001802 infusion Methods 0.000 claims description 18
- 238000007569 slipcasting Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 210000004911 serous fluid Anatomy 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000008961 swelling Effects 0.000 claims description 6
- 239000002775 capsule Substances 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 5
- 239000006210 lotion Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 229920006327 polystyrene foam Polymers 0.000 claims description 3
- 210000000664 rectum Anatomy 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 2
- 239000003673 groundwater Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000003245 coal Substances 0.000 abstract description 7
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 239000002351 wastewater Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 7
- 241000209094 Oryza Species 0.000 description 4
- 235000007164 Oryza sativa Nutrition 0.000 description 4
- 235000009566 rice Nutrition 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material 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
- E21F15/08—Filling-up hydraulically or pneumatically
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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)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses a kind of girdle goaf paste body filling construction methods, it is characterized in that, after underground water seepage is contained with water pocket, backfill in goaf, goaf segment space is occupied using water-filling water pocket, the mode for correspondingly reducing paste body filling volume carries out goaf filling, water-filling water pocket is finally cured in the obturation in entire goaf, becomes a composition part in obturation entirety.Water-filling water pocket is rubber bag tank, is provided with the through-hole for filling rigid pipe insertion, and water pocket injection water is directly derived from underground water seepage, has not only eliminated underground flood damage but also has eliminated the obtained pollution of waste water outlet in underground in coal production.The present invention has the characteristics that safe and reliable, environmental friendly, easy to operate, filling cost relative moderate.
Description
Technical field
The present invention relates to a kind of paste body filling method more particularly to a kind of paste body fillings that filler is done using mine water
Method.
Background technique
In the coal production process of the prior art, it is insufficient to there is both sides: one is, in unit coal production cost,
Filling cost accounts for relatively high also, time-consuming and laborious；The second is also bringing water pump while underground water seepage outlet forms pollution
The increase of pumping equipment and operating cost.
Constantly bring forth new ideas and convert with energy-saving, green production process, in particular, with coal resources day decrescence
Less, high-quality mining deposits is increasingly exhausted, and coal enterprise is early completed from low water-mark traditional in early days, rough, predation type exploitation
Mode, to resource-effective, efficient utilization, the transformation of the environmentally protective production method of technique by technological progress.
In recent years, underground goaf filling technique is developed rapidly.For example, Chinese patent application CN105240048A
A kind of gas filling method based on paste body filling is disclosed, uses air bag to inflate to occupy part goaf space, in turn
The technical thought for correspondingly reducing the spatial volume filled needed for paste body filling carries out goaf filling, to save filling cost.
Its placement method is laid with air bag on the ground in goaf, divider wall is then arranged the following steps are included: the first step, is divided into envelope
The filling space closed.Second step arranges cloth tube, gas tube and the high-pressure pump phase of air bag by the expects pipe mounting hole of divider wall
Connection.Third step when by paste body filling ground level to 20~30cm, gives air bag inflation, keeps paste body filling and air bag inflation
It is synchronous to carry out.When the top surface of lotion to be filled is touched at the top of filling space, paste body filling is completed.Continue to inflate to air bag, until
Air pressure in air bag reaches the pressure of overlying rock, closes high-pressure pump, completes gas filling.4th step repeats the first step, the
Two steps and third step carry out next one filling.
This method increases gas filling technique on the basis of paste body filling, can effectively reduce filling and owe to connect top amount, mention
High pack completeness saves filler, guarantees the support strength of obturation.But this gas filling side based on paste body filling
Method still has many deficiency or disadvantage, and mainly downhole safety hidden danger will be substantially increased.Reason is:
1, it during filling construction operation, when encountering the accidental phenomenons such as top plate quickly sinks or part is caving, will lead to
Balloon rupture/explosion brings a degree of security risk；Also, it correspondingly, will lead to the difficult of construction operation and safety be anti-
The raising for the construction cost that model derives.
2, after the completion of filling construction, a large amount of inflation gas bag with biggish pressure is filled in underground, with top plate day
Until stable lengthy procedure, the pressure of air bag will be because constantly by the quick liter of internal pressure caused by compression for long with the passing of time sinking
A possibility that capsule is ruptured/exploded will sporadically occur in height.
In other words, a large amount of inflation gas bag in underground is filled, is buried similar in the high underground that security protection requires
It has descended one by one, " blasting charge " that may be ignited at any time, there are some potential safety problemss.
Summary of the invention
It is an object of the present invention to provide a kind of a kind of environmental friendly, easy to operate, filling cost relative moderate girdles
Goaf paste body filling construction method.
To achieve the above object, required technical problems to be solved include two aspects to the present invention, first is that, process safety,
Environmental protection；Second is that reducing filling cost.
The present invention is to solve above-mentioned technical problem the technical scheme adopted is that a kind of girdle goaf paste body filling is applied
Work method, which is characterized in that after containing underground water seepage with water pocket, backfill in goaf, occupied using water-filling water pocket mined out
Area's segment space, the mode for correspondingly reducing paste body filling volume carry out goaf filling, and water-filling water pocket is finally cured in whole
In the obturation in a goaf, become a composition part in obturation entirety；
The water pocket is rubber bag tank, in partially flat elongate in shape；Along the longitudinal direction of water pocket, on the inside of water pocket top edge every
Certain distance is arranged one for filling pipe insertion through-hole；When water pocket is in swelling state full of water, the latus rectum of above-mentioned through-hole
Meet the requirement that filling steel pipe is inserted into and forms sealing；
The water pocket has a water filling nozzle and an exhaust pipe mouth, fills the water nozzle and an exhaust pipe mouth is arranged in
On the inside of water pocket one end end edge, fill the water nozzle under, exhaust pipe mouth is upper；
Above-mentioned water filling nozzle is internally provided with a check valve, and exhaust pipe mouth band internal screw thread is blocked using silk plug；
The length of above-mentioned water pocket is equal to the linear distance between the lane side of upper curtate and the lane side of lower curtate, the width of water pocket
It is equal with the height of water pocket, it is equal to the distance between top plate and bottom plate；
The height of water pocket is determining as follows: when water pocket is in swelling state full of water, water pocket is in lie low
Elliptic cylindrical shape, at this point, the elliptical minor axis length of water pocket longitudinal cross-section is the height of water pocket；
Construction procedure is as follows:
The first step, along advance of the face direction, on the bottom plate in the empty top zone domain in the goaf at working face rear, every 3
Rice is laid with a water pocket；Wherein, first water pocket is laid in front of the initial position of filling at 3 meters；
When water pocket is laid with, the both ends of water pocket are kept to be in contact respectively with the lane side of the lane side of upper curtate and lower curtate, water pocket
Water filling nozzle and an exhaust pipe mouth where that one end be placed on the high order end of bottom plate, and make fill the water nozzle and one exhaust
Nozzle is towards working face side；
After water pocket is laid in place, in water pocket on the bottom plate of working face side, along the longitudinal direction of water pocket, every 0.5
Rice makes a call to a timber against water pocket；
Then, the silk plug for backing out water pocket exhaust pipe mouth injects the water filling nozzle of water injection pipe insertion water pocket few into water pocket
The water of amount, so that water pocket lower expansion at the same time, fills in polystyrene foam to contacting with timber between timber and water pocket
Plate；, the water pocket after water filling is limited using timber, is avoided using polystyrene board protection water pocket because directly being contacted with hard object
May cause puncture or wear damage；
Second step keeps the exhaust pipe mouth of water pocket to open, by the water injection pipe of the infusion gun connecting with outlet pipe insertion water pocket
Mouthful, the Water filling valve in front of infusion gun is opened, is filled the water into water pocket；
When water injection rate reaches more than half of water pocket capacity in water pocket, by the Grouting Pipe being connect with underground grouting pipeline from
Water pocket is stretched to far from the goaf to be filled of working face side for passing through and being put into filling pipe insertion through-hole on water pocket；
Third step opens the valve in the Grouting Pipe connecting with underground grouting pipeline, to water pocket far from working face side
Slip casting in region；
According to slip casting progress, between the above-mentioned infusion gun of in due course unlatching/closing and the outlet pipe of shaft sump on connecting line
Valve, with alternately slip casting and water pocket water flood operations, so that the height of the water pocket after water-filling, which remains at, effectively to be hindered
Grouting serous fluid is kept off, avoids grouting serous fluid height from rising, be more than water pocket height, and then side of the overflow to water pocket towards working face；
In the process, when above-mentioned exhaust pipe mouth overflow, the Water filling valve in front of infusion gun is closed, and continues to keep note
Slurry operation, until water pocket is completed far from working face side goaf to be filled by paste body filling；
Then, the Water filling valve in front of infusion gun is opened, continues to fill the water into water pocket, until close with top plate at the top of water pocket
When being bonded and compressed state is presented, Water filling valve, extraction infusion gun are closed, water pocket water flood operations are terminated；
Filling bracket is moved forward to appropriate position in due course according to the propulsion progress of working face by the 4th step, repeats above-mentioned the
One step is to third step, until entire stope filling is fully completed.
The technical effect brought directely by the technical proposal is that underground water seepage is completely or partially recycled, on the spot
Digestion process is directly backfilled to underground goaf, can eliminate environmental pollution caused by coal production process waste water outlet；
Also, play the same tune on different musical instruments with the gas filling method of the prior art: the volume of paste body filling can be effectively reduced, reduces cream
The usage amount of body raw material, to reduce filling cost.But it is clear that ground, above-mentioned technical proposal can be fully achieved it is existing
The gas filling method of technology eliminates the gas filling of the prior art while technical effect in terms of filling cost saving
During method construction operation and after the completion of construction operation, the security risk of all stage.It is explained in detail below:
The inbuilt water-filling water pocket in underground, even if in the long period in the future using rear because crushing or the reasons such as ageing of rubber
After rupture, since liquid (water) is almost incompressible.
Therefore, be not in similar air bag because compress, pressure steeply rises and then air bag explosion ruptures, institute's enable
The rapidly release of amount, the generation of possible unpredictable Disasters.
Moreover, water is as fluid, by each crack for flowing to underground filling naturally, each defect area after the rupture of water-filling water pocket
Domain.In this way, in a confined space on the whole, due to pressure certainty uniformity everywhere, the entire fill area in underground
More consistent and uniform will be become everywhere to the support force of top top plate and upper overlying strata, to obtain than all using paste body filling
Or combine filling superior technique effect with air bag using lotion.
Further, since water pocket water-filling is backfilled to underground, due to born safety, so that the use cost of its own is also remote
Lower than the gas filling method of the prior art.
It should be noted that be arranged on water pocket for fill steel pipe insertion through-hole, in a through-hole insertion filling steel
When pipe is to goaf grouting, due to sufficiently expanding after rubber bag with water water-filling, remaining through-hole will be tightened, be in closed state,
It can effectively avoid grouting serous fluid and trickle from through-hole and come out；Also, this through-hole being closed by tightening does not influence slip casting steel pipe
Insertion operation.It is not difficult to find out that simple rubber bag with water structure, easy to operate in grouting filling work progress, and hold simultaneously
Carry on a shoulder pole the function of divider wall.Therefore, the filling construction method of above-mentioned technical proposal has been dispensed and had been constructed compared with the existing technology
Divider wall in journey.On the one hand, it reduces construction work amount, saved construction cost, on the other hand, reduce underground work people
The labor intensity of member.
Preferably, above-mentioned water pocket material is abrasive rubber；The rated operating pressure of water pocket is 1.5MPa or more.
The direct bring of the optimal technical scheme has the technical effect that, on the one hand, the rated operating pressure of water pocket is 1.5MPa
More than, the pressure voltages such as corresponding matched water pipe, valve can be met the requirements, can effectively reduce related corollary equipment investment and
Use cost；On the other hand, too low rated operating pressure will cause in paste body filling work progress, and water-filling water pocket can not have
Effect balance stops the pressure of lotion " fluid ", causes the production accident or constructional difficulties in work progress, and excessively high volume
Determine operating pressure, waste caused by material transition use will be brought, influences to fill being effectively reduced for construction cost.
Further preferably, above-mentioned girdle goaf paste body filling construction method, which is characterized in that the paste body filling
It is formed by the thickness of obturation, is to calculate institute after the volume for determining water-filling water pocket according to specific underground water seepage discharge
After the total volume for needing paste body filling, the interval as far as possible one between obturation and water-filling water pocket is formed by according to each paste body filling
The principle of cause determines and according to the reality of underground water seepage discharge, adjustment is obtained in due course.
The direct bring of the optimal technical scheme has the technical effect that, can make filling for entire underground goaf as much as possible
Consistency everywhere is filled out, guarantees good filling quality.
Further preferably, above-mentioned girdle goaf paste body filling construction method, which is characterized in that used in water pocket water filling
Water is preferentially directly extracted from underground water seepage；
Insufficient water, by usually being fed from the water storage in underground extraction, the water storehouse for being delivered to ground.
The direct bring of the optimal technical scheme has the technical effect that, can bring the zero-emission of waste water in coal production process
It puts, reaches the requirement of friendly process.Also, it correspondingly, can simplify drainage system corollary equipment outside underground in the prior art
With number of units, the investment of relevant device is saved.
In conclusion the present invention is compared with the existing technology, there is safe and reliable, environmental friendly, easy to operate, filling cost
The beneficial effects such as relative moderate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of water pocket used in girdle goaf paste body filling construction method of the invention.
In figure, 1- water pocket, 2- exhaust pipe mouth, 3- water filling nozzle, 4- through-hole.
Specific embodiment
With reference to the accompanying drawing, the present invention is described in detail.
Girdle goaf paste body filling construction method of the invention, using after underground water seepage is contained with water pocket, return
It fills out in goaf, occupies goaf segment space using water-filling water pocket, the mode for correspondingly reducing paste body filling volume is adopted
Filling mine-out area, water-filling water pocket are finally cured in the obturation in entire goaf, become a composition in obturation entirety
Part；
As shown in Figure 1, above-mentioned water pocket 1 is rubber bag tank, in partially flat elongate in shape；Along the longitudinal direction of water pocket, at the top of water pocket
It is arranged one on the inside of edge at a certain distance for filling pipe insertion through-hole 4；When water pocket is in swelling state full of water, on
The latus rectum for stating through-hole meets the requirement that filling steel pipe is inserted into and forms sealing；
Above-mentioned water pocket has a water filling nozzle 3 and an exhaust pipe mouth 2, fills the water nozzle and exhaust pipe mouth is arranged in water
On the inside of capsule one end end edge, fill the water nozzle under, exhaust pipe mouth is upper；
Above-mentioned water filling nozzle is internally provided with a check valve, and exhaust pipe mouth band internal screw thread is blocked using silk plug；
The length of above-mentioned water pocket is equal to the linear distance between the lane side of upper curtate and the lane side of lower curtate, the width of water pocket
It is equal with the height of water pocket, it is equal to the distance between top plate and bottom plate；
The height of water pocket is determining as follows: when water pocket is in swelling state full of water, water pocket is in lie low
Elliptic cylindrical shape, at this point, the elliptical minor axis length of water pocket longitudinal cross-section is the height of water pocket；
Construction procedure is as follows:
The first step, along advance of the face direction, on the bottom plate in the empty top zone domain in the goaf at working face rear, every 3
Rice is laid with a water pocket；Wherein, first water pocket is laid in front of the initial position of filling at 3 meters；
When water pocket is laid with, the both ends of water pocket are kept to be in contact respectively with the lane side of the lane side of upper curtate and lower curtate, water pocket
Water filling nozzle and an exhaust pipe mouth where that one end be placed on the high order end of bottom plate, and make fill the water nozzle and one exhaust
Nozzle is towards working face side；
After water pocket is laid in place, in water pocket on the bottom plate of working face side, along the longitudinal direction of water pocket, every 0.5
Rice makes a call to a timber against water pocket；
Then, the silk plug for backing out water pocket exhaust pipe mouth injects the water filling nozzle of water injection pipe insertion water pocket few into water pocket
The water of amount, so that water pocket lower expansion at the same time, fills in polystyrene foam to contacting with timber between timber and water pocket
Plate；, the water pocket after water filling is limited using timber, is avoided using polystyrene board protection water pocket because directly being contacted with hard object
May cause puncture or wear damage；
Second step keeps the exhaust pipe mouth of water pocket to open, by the water injection pipe of the infusion gun connecting with outlet pipe insertion water pocket
Mouthful, the Water filling valve in front of infusion gun is opened, is filled the water into water pocket；
When water injection rate reaches more than half of water pocket capacity in water pocket, by the Grouting Pipe being connect with underground grouting pipeline from
Water pocket is stretched to far from the goaf to be filled of working face side for passing through and being put into filling pipe insertion through-hole on water pocket；
Third step opens the valve in the Grouting Pipe connecting with underground grouting pipeline, to water pocket far from working face side
Slip casting in region；
According to slip casting progress, between the above-mentioned infusion gun of in due course unlatching/closing and the outlet pipe of shaft sump on connecting line
Valve, with alternately slip casting and water pocket water flood operations, so that the height of the water pocket after water-filling, which remains at, effectively to be hindered
Grouting serous fluid is kept off, avoids grouting serous fluid height from rising, be more than water pocket height, and then side of the overflow to water pocket towards working face；
In the process, when above-mentioned exhaust pipe mouth overflow, the Water filling valve in front of infusion gun is closed, and continues to keep note
Slurry operation, until water pocket is completed far from working face side goaf to be filled by paste body filling；
Then, the Water filling valve in front of infusion gun is opened, continues to fill the water into water pocket, until close with top plate at the top of water pocket
When being bonded and compressed state is presented, Water filling valve, extraction infusion gun are closed, water pocket water flood operations are terminated；
Filling bracket is moved forward to appropriate position in due course according to the propulsion progress of working face by the 4th step, repeats above-mentioned the
One step is to third step, until entire stope filling is fully completed.
Above-mentioned water pocket material is abrasive rubber；The rated operating pressure of water pocket is 1.5MPa or more.
Above-mentioned paste body filling is formed by the thickness of obturation, is to determine water-filling water according to specific underground water seepage discharge
After the volume of capsule, after the total volume for calculating required paste body filling, obturation and water-filling water are formed by according to each paste body filling
Interval principle as consistent as possible between capsule determines and according to the reality of underground water seepage discharge, adjustment is obtained in due course.
Above-mentioned girdle goaf paste body filling construction method, water pocket water filling water used are preferentially directly oozed out from underground
Water extracts；
Insufficient water, by usually being fed from the water storage in underground extraction, the water storehouse for being delivered to ground.
Claims (4)
1. a kind of girdle goaf paste body filling construction method, which is characterized in that after containing underground water seepage with water pocket, return
It fills out in goaf, occupies goaf segment space using water-filling water pocket, the mode for correspondingly reducing paste body filling volume is adopted
Filling mine-out area, water-filling water pocket are finally cured in the obturation in entire goaf, become a composition in obturation entirety
Part；
The water pocket is rubber bag tank, in partially flat elongate in shape；Along the longitudinal direction of water pocket, every certain on the inside of water pocket top edge
Distance setting one is for filling pipe insertion through-hole；When water pocket is in swelling state full of water, the latus rectum of above-mentioned through-hole meets
Filling steel pipe is inserted into and forms the requirement of sealing；
The water pocket has a water filling nozzle and an exhaust pipe mouth, fills the water nozzle and exhaust pipe mouth is arranged in water pocket one end
On the inside of end edge, fill the water nozzle under, exhaust pipe mouth is upper；
Above-mentioned water filling nozzle is internally provided with a check valve, and exhaust pipe mouth band internal screw thread is blocked using silk plug；
The length of above-mentioned water pocket is equal to the linear distance between the lane side of upper curtate and the lane side of lower curtate, the width and water of water pocket
The height of capsule is equal, is equal to the distance between top plate and bottom plate；
The height of water pocket is determining as follows: when water pocket is in swelling state full of water, water pocket is in the ellipse to lie low
Column, at this point, the elliptical minor axis length of water pocket longitudinal cross-section is the height of water pocket；
Construction procedure is as follows:
The first step on the bottom plate in the empty top zone domain in the goaf at working face rear, is spread along advance of the face direction every 3 meters
If a water pocket；Wherein, first water pocket is laid in front of the initial position of filling at 3 meters；
When water pocket is laid with, the both ends of water pocket are kept to be in contact respectively with the lane side of the lane side of upper curtate and lower curtate, the note of water pocket
That one end where hose nozzle and exhaust pipe mouth is placed on the high order end of bottom plate, and makes to fill the water nozzle and an exhaust pipe mouth direction
Working face side；
It is tight every 0.5 meter along the longitudinal direction of water pocket in water pocket on the bottom plate of working face side after water pocket is laid in place
A timber is made a call to by water pocket；
Then, the silk plug for backing out water pocket exhaust pipe mouth injects the water filling nozzle of water injection pipe insertion water pocket on a small quantity into water pocket
Water, so that water pocket lower expansion at the same time, fills in polystyrene foam plate to contacting with timber between timber and water pocket,
The water pocket after water filling is limited using timber, is avoided using polystyrene board protection water pocket because directly contacting possibility with hard object
It is caused to puncture or wear damage；
Second step keeps the exhaust pipe mouth of water pocket to open, and the water filling nozzle of the infusion gun connecting with outlet pipe insertion water pocket is opened
The Water filling valve in front of infusion gun is opened, is filled the water into water pocket；
When water injection rate reaches more than half of water pocket capacity in water pocket, by the Grouting Pipe being connect with underground grouting pipeline from water pocket
On for passing through and being put into filling pipe insertion through-hole stretch to water pocket far from the goaf to be filled of working face side；
Third step opens the valve in the Grouting Pipe connecting with underground grouting pipeline, the region to water pocket far from working face side
Interior slip casting；
Valve according to slip casting progress, between the above-mentioned infusion gun of in due course unlatching/closing and the outlet pipe of shaft sump on connecting line
Door, with alternately slip casting and water pocket water flood operations, so that the height of the water pocket after water-filling, which remains at, can effectively stop to infuse
Slurries are starched, avoids grouting serous fluid height from rising, be more than water pocket height, and then side of the overflow to water pocket towards working face；
In the process, when above-mentioned exhaust pipe mouth overflow, the Water filling valve in front of infusion gun is closed, and continues to keep slip casting behaviour
Make, until water pocket is completed far from working face side goaf to be filled by paste body filling；
Then, the Water filling valve in front of infusion gun is opened, continues to fill the water into water pocket, until being fitted closely at the top of water pocket with top plate
And when compressed state is presented, Water filling valve, extraction infusion gun are closed, water pocket water flood operations are terminated；
Filling bracket is moved forward to appropriate position in due course, repeats the above-mentioned first step by the 4th step according to the propulsion progress of working face
To third step, until entire stope filling is fully completed.
2. girdle goaf paste body filling construction method according to claim 1, which is characterized in that the water pocket material
For abrasive rubber；The rated operating pressure of water pocket is 1.5MPa or more.
3. girdle goaf paste body filling construction method according to claim 1 or 2, which is characterized in that the lotion
Filling is formed by the thickness of obturation, is calculated after the volume for determining water-filling water pocket according to specific underground water seepage discharge
Out after the total volume of required paste body filling, to the greatest extent may be used according to the interval that each paste body filling is formed by between obturation and water-filling water pocket
Can consistent principle, determine and according to the reality of underground water seepage discharge, adjustment is obtained in due course.
4. girdle goaf paste body filling construction method according to claim 1, which is characterized in that used in water pocket water filling
Water preferentially directly from underground water seepage extract；Insufficient water, by usually being extracted from underground, in the water storehouse that is delivered to ground
Water storage supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710319400.2A CN106988780B (en) | 2017-05-09 | 2017-05-09 | A kind of girdle goaf paste body filling construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710319400.2A CN106988780B (en) | 2017-05-09 | 2017-05-09 | A kind of girdle goaf paste body filling construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106988780A CN106988780A (en) | 2017-07-28 |
| CN106988780B true CN106988780B (en) | 2018-12-14 |
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| CN108518241B (en) * | 2018-03-27 | 2019-05-21 | 东北大学 | A kind of heavy method of harnessing the river of water rock joint slip casting filling stope control |
| CN109057829B (en) * | 2018-09-06 | 2023-12-15 | 山东科技大学 | Dry material finished product bag with built-in water bag group and method |
| CN110425004B (en) * | 2019-08-16 | 2024-06-28 | 徐州中矿岩土技术股份有限公司 | Suspension type guide device for paste filling underwater goaf and construction method |
| CN110566269A (en) * | 2019-08-19 | 2019-12-13 | 西北矿冶研究院 | Truss type filling method for underground goaf |
| CN110630262A (en) * | 2019-09-25 | 2019-12-31 | 任启兰 | Mine roadway working face collapse prevention method |
| CN117145477B (en) * | 2023-10-30 | 2024-01-30 | 华能煤炭技术研究有限公司 | Coal mining method with uniform subsidence of earth surface |
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