CN213869957U - Top-contacted goaf back filling device - Google Patents
Top-contacted goaf back filling device Download PDFInfo
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- CN213869957U CN213869957U CN202022352696.8U CN202022352696U CN213869957U CN 213869957 U CN213869957 U CN 213869957U CN 202022352696 U CN202022352696 U CN 202022352696U CN 213869957 U CN213869957 U CN 213869957U
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Abstract
The utility model discloses a meet goaf and return filling device, including the goaf, goaf upper end is equipped with goaf rock roof, the goaf lower extreme is equipped with middle section goaf filling face, goaf side end is equipped with the pillar, the pillar internal fixation is equipped with pedestrian courtyard, first floor contact way and second floor contact way, the fixed second floor contact way that is equipped with in pedestrian courtyard upper end, pedestrian courtyard lower extreme communicates with each other the setting with the first floor contact way, pedestrian courtyard upper end communicates with each other the setting with the second floor contact way. The utility model discloses make full use of current condition installation filling tube exhaust pipe and build by laying bricks or stones and fill the barricade, return to fill and connect a collecting space area height to more than 95%, save engineering project time, practice thrift and fill manufacturing cost, greatly reduced manufacturing cost, reduced construction project and filled the process, improved greatly and returned to fill and connect a collecting space area efficiency, also had obvious economic benefits and social.
Description
Technical Field
The utility model relates to a meet a collecting space area technical field specifically is a return filling device in collecting space area meets a top.
Background
Generally, the top-contacted goaf is filled in the way that the height of a top plate of the underground goaf does not exceed the height of a filling discharge pipe opening. And the bottom plate of the filling surface of the 3-2# goaf is 960m, the top plate of the waste rock is 970m, the height of the goaf space is 10m, and the filling pipe is in the middle section of 960m, because the goaf space is high, the exposed area of the goaf is large, and the filling and roof-contacting conditions are not met, the problem is brought to the filling and roof-contacting goaf, if the roof-contacting goaf cannot be effectively filled, serious potential safety hazard is brought to a stope column stope in the future, stope ore loss and depletion and geological disaster accidents are caused, and the production cost is increased. Therefore, the top-contacted goaf back filling device is improved.
SUMMERY OF THE UTILITY MODEL
For solving the defect that prior art exists, the utility model provides a back filling device in collecting space area meets a top.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a roof-contacted goaf back-filling device, which comprises a goaf, wherein a goaf rock roof is arranged at the upper end of the goaf, a middle goaf filling surface is arranged at the lower end of the goaf, an ore pillar is arranged at the side end of the goaf, a pedestrian patio, a first layer of communication channel and a second layer of communication channel are fixedly arranged in the ore pillar, a second layer of communication channel is fixedly arranged at the upper end of the pedestrian patio, the lower end of the pedestrian patio is communicated with the first layer of communication channel, the upper end of the pedestrian patio is communicated with the second layer of communication channel, filling retaining walls are fixedly arranged at the channel openings of the first layer of communication channel and the second layer of communication channel which are respectively connected with the goaf, a plurality of anchor rods are fixedly arranged on the inner side wall of the pedestrian patio, filling pipes and exhaust pipes are fixedly arranged on the anchor rods, the top ends of the filling pipes and the exhaust pipes penetrate through the second layer of communication channel and extend into the goaf and are fixed on a plurality of supporting square timbers, the supporting square timber is fixedly connected with the side wall of the pedestrian courtyard through a connecting frame, and the bottom ends of the filling pipe and the exhaust pipe extend into the first layer of the connecting channel.
As the utility model discloses an optimal technical scheme, the stock adopts solid stock, the stock is long 0.8m, stock diameter 38mm, the stock is fixed to be inserted in the stock hole, and the stock hole is fixed to be set up on the lateral wall in pedestrian's sky well.
As an optimized technical scheme of the utility model, the distance between the adjacent anchor rod hole is 2.0m, the hole depth of anchor rod hole 0.5m, hole diameter 46.5 mm.
As an optimal technical scheme of the utility model, filling tube and blast pipe adopt 12# iron wire to fix on stock and support square timber respectively.
As an optimal technical scheme of the utility model, it is 0.5m to fill barricade thickness, it builds grey 20mm to fill on the barricade both sides face.
The utility model has the advantages that: the roof-contacted goaf back filling device fully utilizes the existing conditions to install the filling pipe exhaust pipe and build and fill the retaining wall, the height of the back filling roof-contacted goaf reaches more than 95 percent, the engineering project time is saved, the filling production cost is saved, the production cost is greatly reduced, the construction projects and the filling procedures are reduced, the back filling roof-contacted goaf efficiency is greatly improved, and obvious economic benefits and social benefits are also achieved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the top-contacted goaf back-filling device of the present invention.
In the figure: 1. a gob; 2. a mid-gob filling surface; 3. a dead zone rock roof; 4. a pedestrian courtyard; 5. a first layer of communication channels; 6. a second layer of contact lanes; 7. a filling pipe; 8. an exhaust pipe; 9. filling the retaining wall; 10. an anchor rod; 11. supporting square timber; 16. and (4) carrying out ore pillar treatment.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it is understood that "first" and "second" are only used for convenience of expression and should not be understood as limitations to the embodiments of the present invention, and the following embodiments do not describe any more.
The terms of direction and position in the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer to the direction and position of the attached drawings. Accordingly, the use of directional and positional terms is intended to illustrate and understand the present invention and is not intended to limit the scope of the invention.
Example (b): as shown in figure 1, the utility model relates to a roof-contacted goaf back-filling device, which comprises a goaf 1, a goaf rock roof 3 is arranged at the upper end of the goaf 1, a middle goaf filling surface 2 is arranged at the lower end of the goaf 1, a mine pillar 16 is arranged at the side end of the goaf 1, a pedestrian patio 4, a first layer of communication channel 5 and a second layer of communication channel 6 are fixedly arranged in the mine pillar 16, a second layer of communication channel 6 is fixedly arranged at the upper end of the pedestrian patio 4, the lower end of the pedestrian patio 4 is communicated with the first layer of communication channel 5, the upper end of the pedestrian patio 4 is communicated with the second layer of communication channel 6, a filling retaining wall 9 is fixedly arranged at the channel outlet of the first layer of communication channel 5 and the second layer of communication channel 6 respectively connected with the goaf 1, a plurality of anchor rods 10 are fixedly arranged on the inner side wall of the pedestrian patio 4, a filling pipe 7 and an exhaust pipe 8 are fixedly arranged on the plurality of anchor rods 10, the top ends of the filling pipe 7 and the exhaust pipe 8 penetrate through the second layer of communication channel 6 and extend into the goaf 1 and are fixed on a plurality of support wood 11, the supporting square timber 11 is fixedly connected with the side wall of the pedestrian courtyard 4 through a connecting frame, and the bottom ends of the filling pipe 7 and the exhaust pipe 8 extend into the first layer of the connecting channel 5.
Wherein, the stock 10 adopts solid stock, and the stock 10 is long 0.8m, and stock 10 diameter 38mm, and the stock 10 is fixed to be inserted in the stock downtheholely, and the stock hole is fixed to be set up on pedestrian courtyard 4 inside wall.
Wherein, the distance between the adjacent anchor rod holes is 2.0m, the hole depth of the anchor rod holes is 0.5m, and the hole diameter is 46.5 mm.
Wherein, the filling pipe 7 and the exhaust pipe 8 are respectively fixed on the anchor rod 10 and the support square timber 11 by 12# iron wires.
Wherein the thickness of the filling retaining wall 9 is 0.5m, and the two side surfaces of the filling retaining wall 9 are laid with 20mm of ash.
The working principle is as follows:
punching anchor rod holes, punching anchor rod holes from bottom to top every 2.0m on the well wall of an original pedestrian courtyard 4 of a 960m3-2# goaf, wherein the hole depth is 0.5m, the hole diameter is 46.5mm, installing solid anchor rods 10, the solid anchor rods 10 are 0.8m long and the anchor rod diameter is 38mm, punching the solid anchor rods 10 into the anchor rod holes, exposing the anchor rods 10 for 0.3m, installing filling pipes, installing the filling pipes 7 at the cross ports of a second layer of communication channels 6 along the wall of the pedestrian courtyard 4 from bottom to top, fixing the filling pipes 7 on the anchor rods 10 by 12# iron wires, building and filling retaining walls 9, plugging the cross ports 5 of the first layer of the goaf by red bricks, plugging the cross ports 5 of the second layer of communication channels 6 and the filling pipes 7 and the goaf and the exhaust pipes 8 on the filling surface to be plugged, plugging the cross ports of the second layer of communication channels 6, plugging the wall 9, building ash (plastering) 20mm on the wall, preparing before filling, flushing the surface to check whether water flows out from the goaf, whether the inspection goes out water and has pressure, whether inspection tube and coupling leak, whether the inspection filling tube is firm and the swing, all normal back entering filling stage, to returning to fill to meet a collecting space area and carry out full tail sand cemented filling, lime-sand ratio 1: 4, the concentration of the filling slurry is within 68 percent, the flow rate of the filling slurry is 80m3/h, the machine is started and stopped, pipe washing water is put into an adjacent goaf, when the filling surface reaches 967m, the highest position of a top plate of the goaf is selected, the inner diameter is 110mm, the filling material pipe 7 with the wall thickness of 10mm and the inner diameter of 120mm are installed, the exhaust pipe 8 with the wall thickness of 10mm (the opening of the filling material pipe is 0.5m higher than that of the exhaust pipe), the filling pipe 7 and the exhaust pipe 8 are supported every 2.0m by using 100mm multiplied by 100mm supporting square timbers 11, the filling pipe 7 and the exhaust pipe 8 are fixed on the supporting square timbers 11. And after the filling retaining wall 9 is built, continuously returning to the filled roof-contacted goaf, and stopping washing the pipe in time when a small amount of slurry flows out of the exhaust pipe 8 to confirm that the goaf is filled and roof-contacted. The research and the application of the back filling roof-contacted goaf have ideal effect of filling the roof-contacted goaf, effectively improve the production efficiency and greatly reduce the production cost. And the safety production guarantee is provided for the extraction of the stud stopes in future.
By integrating the above steps, the safety of the ore pillar is effectively protected, accidents such as cracking and collapse of the ore pillar are prevented, good favorable conditions are created for stoping, the service life of the mine is effectively prolonged, geological disaster accidents are effectively prevented, collapse of a goaf is thoroughly avoided, an earth surface industrial site and an earth surface river channel are protected, waste tailings are fully utilized to fill the goaf, waste is turned into treasure, ecological balance is protected, and the service life of a tailing pond is prolonged. Creates favorable conditions for safely and efficiently stoping stud and sill pillar stopes in future.
The filling pipe is developed and applied in the goaf for the first time, the remarkable effect is achieved, the existing 960m middle section gallery filling pipe is upwards installed with 20m filling pipes along the raise and extends into the goaf, and when the slurry to be filled reaches the second layer of junction, the filling retaining wall is built and filled for blocking. The filling pipe is used as the feeding slurry, and the other pipe is used as the exhaust pipe to exhaust air out of the empty field. The exhaust pipe is lower than the filling pipe, and when a small amount of slurry flows out of the exhaust pipe, the position of the back filling roof-contacted goaf can be detected.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A roof-contacted goaf back-filling device comprises a goaf (1), wherein a goaf rock roof (3) is arranged at the upper end of the goaf (1), a middle goaf filling surface (2) is arranged at the lower end of the goaf (1), and is characterized in that a pillar (16) is arranged at the side end of the goaf (1), a pedestrian patio (4), a first layer of connecting channel (5) and a second layer of connecting channel (6) are fixedly arranged in the pillar (16), a second layer of connecting channel (6) is fixedly arranged at the upper end of the pedestrian patio (4), the lower end of the pedestrian patio (4) is communicated with the first layer of connecting channel (5), the upper end of the patio (4) is communicated with the second layer of connecting channel (6), a filling retaining wall (9) is fixedly arranged at a road mouth where the first layer of connecting channel (5) and the second layer of connecting channel (6) are respectively connected with the goaf (1), pedestrian courtyard (4) inside wall is last to be fixed to be equipped with a plurality of stock (10), fixes being equipped with filling tube (7) and blast pipe (8) on a plurality of stock (10), filling tube (7) and blast pipe (8) top are passed second floor and are connected way (6) and stretch into in goaf (1) and fix on a plurality of support square timber (11), support square timber (11) and pedestrian courtyard (4) lateral wall fixed connection through the link, filling tube (7) and blast pipe (8) bottom stretch into in first layer contact way (5).
2. The roof-contacted goaf back filling device according to claim 1, characterized in that the anchor rod (10) is a solid anchor rod, the length of the anchor rod (10) is 0.8m, the diameter of the anchor rod (10) is 38mm, the anchor rod (10) is fixedly inserted into an anchor rod hole, and the anchor rod hole is fixedly arranged on the inner side wall of the pedestrian raise (4).
3. The roof-contacted gob backfilling apparatus according to claim 2, wherein the distance between adjacent anchor rod holes is 2.0m, the depth of said anchor rod hole is 0.5m, and the diameter of said anchor rod hole is 46.5 mm.
4. The roof-contacted goaf back filling device according to claim 1, characterized in that the filling pipe (7) and the exhaust pipe (8) are fixed on the anchor rod (10) and the supporting square timber (11) by 12# iron wires respectively.
5. The roof-contacted gob back-filling device as claimed in claim 1, wherein the thickness of the filling retaining wall (9) is 0.5m, and the ash is laid on both sides of the filling retaining wall (9) by 20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022352696.8U CN213869957U (en) | 2020-10-21 | 2020-10-21 | Top-contacted goaf back filling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022352696.8U CN213869957U (en) | 2020-10-21 | 2020-10-21 | Top-contacted goaf back filling device |
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| CN213869957U true CN213869957U (en) | 2021-08-03 |
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| CN202022352696.8U Active CN213869957U (en) | 2020-10-21 | 2020-10-21 | Top-contacted goaf back filling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183193A (en) * | 2021-12-13 | 2022-03-15 | 临沂会宝岭铁矿有限公司 | Goaf filling method and pipeline through-string type porous filling device |
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2020
- 2020-10-21 CN CN202022352696.8U patent/CN213869957U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183193A (en) * | 2021-12-13 | 2022-03-15 | 临沂会宝岭铁矿有限公司 | Goaf filling method and pipeline through-string type porous filling device |
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