CN112228153B - Prevent protecting wall that coal and gas are outstanding - Google Patents
Prevent protecting wall that coal and gas are outstanding Download PDFInfo
- Publication number
- CN112228153B CN112228153B CN202010925427.8A CN202010925427A CN112228153B CN 112228153 B CN112228153 B CN 112228153B CN 202010925427 A CN202010925427 A CN 202010925427A CN 112228153 B CN112228153 B CN 112228153B
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- pipe
- vertical
- concrete layer
- supporting rod
- coal
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- 239000003245 coal Substances 0.000 title claims abstract description 25
- 230000001681 protective effect Effects 0.000 claims abstract description 45
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 31
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 28
- 238000005728 strengthening Methods 0.000 claims abstract description 14
- 238000005086 pumping Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- OFCNXPDARWKPPY-UHFFFAOYSA-N allopurinol Chemical compound OC1=NC=NC2=C1C=NN2 OFCNXPDARWKPPY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Images
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
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/103—Dams, e.g. for ventilation
-
- 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
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
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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)
- Lining And Supports For Tunnels (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a protective wall for preventing coal and gas outburst, which comprises a first concrete layer, vertical reinforcing steel bars, a second concrete layer and a mine main body, wherein the vertical reinforcing steel bars are fixedly poured inside the first concrete layer, the front side surface and the rear side surface of each vertical reinforcing steel bar are fixedly provided with a first reinforcing rib and a second reinforcing rib in a joint screw manner, the right side of each first reinforcing rib is fixedly provided with a second reinforcing rib in a screw manner, the left side surface of the first concrete layer is fixedly provided with the second concrete layer in a pouring manner, a protective frame is fixedly poured inside the second concrete layer, a vertical pipe is arranged inside the protective frame in a screw manner, a drainage pipe penetrates through the vertical reinforcing steel bars and is fixedly arranged inside the vertical reinforcing steel bars, and the left end of the drainage pipe is connected with the vertical pipe through a two-way pipeline. This prevent that coal and gas outburst's protecting wall is provided with vertical reinforcement, and then the vertical reinforcement of being convenient for, first strengthening rib and second strengthening rib three mutually support and improved whole protecting wall's fastness and impact resistance power.
Description
Technical Field
The invention relates to the technical field of coal and gas outburst, in particular to a protective wall for preventing coal and gas outburst.
Background
Coal and gas outburst refers to the phenomenon that a large amount of coal rocks and gas are sprayed outwards due to pressure in a mine in the coal mining process, so that a large amount of gas can be emitted, and the exhaust facilities and the personal safety of the mine are affected, so that the protective walls for preventing coal and gas outburst are arranged on the market, and although the types of the protective walls on the market are many, the protective walls have some defects, such as:
1. the existing protective wall for the mine is mostly built by concrete and masonry, so that the protective wall can perform the function of common protection and shielding, but when the protective wall is used in the mine, the firmness of the protective wall is low, and the protective wall cannot be used well;
2. the existing protective wall only plays a role of simple protective support during protection, and cannot well prevent the phenomenon of coal and gas outburst;
therefore, the protective wall for preventing coal and gas outburst can well solve the problems.
Disclosure of Invention
The invention aims to provide a protective wall for preventing coal and gas outburst, and aims to solve the problems that most of the existing protective walls for mines in the prior market proposed by the background technology are formed by repairing concrete and masonry, so that the protective wall can perform the common protective shielding effect, but when the protective wall is used in a mine, the protective wall is low in firmness and cannot be used well, the existing protective wall only can play the role of simple protective support during protection, and the coal and gas outburst phenomenon cannot be prevented well.
In order to achieve the purpose, the invention provides the following technical scheme: a protective wall for preventing coal and gas outburst comprises a first concrete layer, vertical reinforcing steel bars, a second concrete layer and a mine main body, wherein the vertical reinforcing steel bars are fixedly poured inside the first concrete layer, the front side surface and the rear side surface of each vertical reinforcing steel bar are fixedly provided with a first reinforcing rib and a second reinforcing rib in a laminating manner, the right side screw of each first reinforcing rib is fixedly provided with a second reinforcing rib, the left side surface of the first concrete layer is fixedly provided with a second concrete layer in a pouring manner, the inside of each second concrete layer is fixedly provided with a protective frame in a pouring manner, the inside of each protective frame is provided with a vertical pipe, a drawing pipe penetrates through the inside of each vertical reinforcing steel bar and is fixedly provided with a drawing pipe, the left end of each drawing pipe is connected with the vertical pipe through a two-way pipeline, the left end of each vertical pipe is connected with a discharge pipe through a two-way pipeline, the left side surface of the second concrete layer is fixedly provided with the mine main body in a pouring manner, and the right side surface of the first concrete layer is fixedly provided with a filter plate in a screwing manner, and the right side of filter is provided with first bracing piece and second bracing piece to the outer end of first bracing piece and second bracing piece all with first concrete layer screw connection, the right side of taking out and putting the pipe is provided with the filter.
Preferably, first strengthening rib and second strengthening rib all are "V" font structure setting, and first strengthening rib and second strengthening rib constitute "X" shape structure to first strengthening rib and second strengthening rib are the one-to-one setting.
Preferably, the drawing and releasing pipe and the filter plate are arranged in a one-to-one correspondence mode, and the drawing and releasing pipe and the vertical reinforcing steel bars are arranged perpendicularly.
Preferably, the rear side surface of the vertical pipe is connected with the branch pipe through a three-way pipeline, the rear end of the branch pipe is connected with the vertical pipe through the three-way pipeline, and the space inside the vertical pipe is communicated with the space inside the vertical pipe through the branch pipe.
Preferably, the branch pipes and the mine main body form a structure in the shape of a Chinese character jing, and the branch pipes and the pumping and releasing pipes are arranged in a one-to-one correspondence manner.
Preferably, the first support rod and the second support rod form an X-shaped structure, and the length of the first support rod and the length of the second support rod are larger than the diameter of the drawing tube.
Compared with the prior art, the invention has the beneficial effects that: the protective wall for preventing coal and gas outburst;
(1) the protective wall is provided with vertical reinforcing steel bars, a first reinforcing rib and a second reinforcing rib are arranged on the front side and the rear side of each vertical reinforcing steel bar, and the first reinforcing rib and the second reinforcing rib form an X-shaped structure, so that the vertical reinforcing steel bars, the first reinforcing rib and the second reinforcing rib are matched with each other conveniently, the firmness and the impact resistance of the whole protective wall are improved, and the whole protective wall can be used well;
(2) be fixed with the drainage pipe, through the cooperation setting of drainage pipe and standpipe, cooperate external low negative pressure gas drainage system simultaneously, be convenient for go out the gas drainage in the collecting space area in the mine main part, the phenomenon that prevents coal and gas outburst that from this can be fine takes place to be convenient for whole protective wall not only can stabilize support the protection, can also be fine prevent that dangerous takes place, fine improvement work area's security, protected staff's safety.
Drawings
FIG. 1 is a schematic main sectional view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic right-view structural diagram of the first support rod of the present invention;
FIG. 4 is a schematic diagram of a standpipe according to the present invention.
In the figure: 1. a first concrete layer; 2. vertical reinforcing steel bars; 3. a second concrete layer; 4. a first reinforcing rib; 5. a second reinforcing rib; 6. drawing and releasing the pipe; 7. a vertical tube; 8. a protective frame; 9. a discharge pipe; 10. a mine body; 11. a branch pipe; 12. a filter plate; 13. a first support bar; 14. a second support bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a protective wall for preventing coal and gas outburst comprises a first concrete layer 1, vertical reinforcing steel bars 2, a second concrete layer 3, first reinforcing steel bars 4, second reinforcing steel bars 5, a drawing and releasing pipe 6, vertical pipes 7, a protective frame 8, a discharge pipe 9, a mine main body 10, branch pipes 11, a filter plate 12, a first supporting rod 13 and a second supporting rod 14, wherein the vertical reinforcing steel bars 2 are fixedly poured inside the first concrete layer 1, the first reinforcing steel bars 4 and the second reinforcing steel bars 5 are fixedly attached to the front side surface and the rear side surface of the vertical reinforcing steel bars 2 through screws, the second reinforcing steel bars 5 are fixedly attached to the right side of the first reinforcing steel bars 4 through screws, the second concrete layer 3 is poured on the left side surface of the first concrete layer 1, the protective frame 8 is fixedly poured inside the second concrete layer 3, the vertical pipes 7 are mounted inside the protective frame 8 through screws, the drawing and releasing pipe 6 is fixedly penetrated inside the vertical reinforcing steel bars 2, the left end of the drawing and releasing pipe 6 is connected with the vertical pipe 7 through a two-way pipeline, the left end of the vertical pipe 7 is connected with the discharge pipe 9 through a two-way pipeline, the left side surface of the second concrete layer 3 is fixedly poured with a mine main body 10, the inner part of the right side surface of the first concrete layer 1 is fixedly screwed with a filter plate 12, the right side of the filter plate 12 is provided with a first support rod 13 and a second support rod 14, the outer ends of the first support rod 13 and the second support rod 14 are both connected with the first concrete layer 1 through screws, and the right side of the drawing and releasing pipe 6 is provided with the filter plate 12;
the first reinforcing ribs 4 and the second reinforcing ribs 5 are arranged in a V-shaped structure, the first reinforcing ribs 4 and the second reinforcing ribs 5 form an X-shaped structure, and the first reinforcing ribs 4 and the second reinforcing ribs 5 are arranged in a one-to-one correspondence manner, so that the first reinforcing ribs 4 and the second reinforcing ribs 5 are arranged in a V-shaped structure, and the supporting force is improved;
the pumping and discharging pipes 6 are arranged in one-to-one correspondence with the filter plates 12, the pumping and discharging pipes 6 are vertically arranged with the vertical steel bars 2, and the pumping and discharging pipes 6 are arranged in one-to-one correspondence with the filter plates 12 so as to filter the gas pumped and discharged by the pumping and discharging pipes 6;
the rear side surface of the vertical pipe 7 is connected with the branch pipe 11 through a three-way pipeline, the rear end of the branch pipe 11 is connected with the vertical pipe 7 through the three-way pipeline, the space inside the vertical pipe 7 is communicated with the space inside the vertical pipe 7 through the branch pipe 11, and the space inside the vertical pipe 7 is communicated with the space inside the vertical pipe 7 through the branch pipe 11, so that the pumping work of a longer area is facilitated;
the branch pipes 11 and the mine main body 10 form a structure in a shape like the Chinese character 'jing', the branch pipes 11 and the drainage pipes 6 are arranged in a one-to-one correspondence manner, the branch pipes 11 and the mine main body 10 form a structure in a shape like the Chinese character 'jing', and the branch pipes 11 and the drainage pipes 6 are arranged in a one-to-one correspondence manner, so that the plurality of vertical pipes 7 are communicated with one another, and gas is discharged conveniently;
the first supporting rod 13 and the second supporting rod 14 form an X-shaped structure, the length of the first supporting rod 13 and the length of the second supporting rod 14 are larger than the diameter of the drawing and releasing pipe 6, and the first supporting rod 13 and the second supporting rod 14 form an X-shaped structure so as to support the installation of the drawing and releasing pipe 6 and the filter plate 12.
The working principle is as follows: when the protective wall for preventing coal and gas outburst is used, firstly, as shown in figure 1, the whole protective wall is installed on the inner side wall of a mine main body 10, so that the inner side wall of the excavated mine main body 10 can be well supported and protected, meanwhile, as shown in figure 1, through the mutual matching of the vertical reinforcing steel bars 2, the first reinforcing ribs 4 and the second reinforcing ribs 5, the support property and the impact resistance of the whole protective wall are convenient to improve, when gas is required to be pumped and discharged, an external low-negative-pressure gas pumping and discharging system is connected with a discharge pipe 9, and then as shown in figures 1 and 4, the gas in the mine main body 10 is pumped and discharged outwards through the mutual matching of the discharge pipe 9, the mine main body 10, the branch pipe 11 and the pumping and discharging pipe 6;
meanwhile, as shown in fig. 1-3, the gas is conveniently filtered by the arrangement of the filter plate 12, so that dust impurities and gas inside the mine main body 10 are prevented from being discharged by pumping, and meanwhile, the 'X' -shaped structure formed by the mutual matching of the first support rod 13 and the second support rod 14 is used for improving the installation stability of the pumping and discharging pipe 6 and the filter plate 12, so that the pumping and discharging pipe 6 and the filter plate 12 can be well matched with each other for working, which is the use process of the protective wall, and the content which is not described in detail in the present specification belongs to the prior art known by a person skilled in the art.
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 various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a prevent protecting wall that coal and gas are outstanding, includes first concrete layer (1), vertical reinforcing bar (2), second concrete layer (3) and mine main part (10), its characterized in that: vertical reinforcing steel bars (2) are poured and fixed inside the first concrete layer (1), a first reinforcing rib (4) and a second reinforcing rib (5) are attached to the front side face and the rear side face of each vertical reinforcing steel bar (2) through screws, a second reinforcing rib (5) is fixed on the right side face of each first reinforcing rib (4), a second concrete layer (3) is poured and installed on the left side face of each first concrete layer (1), a protection frame (8) is poured and fixed inside each second concrete layer (3), a vertical pipe (7) is installed on the inner screw of each protection frame (8), a drawing and releasing pipe (6) penetrates and is fixed inside each vertical steel bar (2), the left end of each drawing and releasing pipe (6) is connected with the corresponding vertical pipe (7) through a two-way pipeline, the left end of each vertical pipe (7) is connected with a discharge pipe (9) through a two-way pipeline, a mine main body (10) is poured and fixed on the left side face of each second concrete layer (3), the filter plate (12) is fixed to the inner screw of the right side face of the first concrete layer (1), the right side of the filter plate (12) is provided with a first supporting rod (13) and a second supporting rod (14), the outer ends of the first supporting rod (13) and the second supporting rod (14) are connected with the first concrete layer (1) through screws, and the filter plate (12) is arranged on the right side of the drawing and releasing pipe (6).
2. The protective wall for preventing coal and gas outburst according to claim 1, wherein: first strengthening rib (4) and second strengthening rib (5) all are "V" font structure setting, and first strengthening rib (4) and second strengthening rib (5) constitute "X" shape structure to first strengthening rib (4) and second strengthening rib (5) are the one-to-one setting.
3. The protective wall for preventing coal and gas outburst according to claim 1, wherein: the drawing and releasing pipe (6) is in one-to-one correspondence with the filter plates (12), and the drawing and releasing pipe (6) is perpendicular to the vertical reinforcing steel bars (2).
4. The protective wall for preventing coal and gas outburst according to claim 1, wherein: the rear side surface of the vertical pipe (7) is connected with the branch pipe (11) through a three-way pipeline, the rear end of the branch pipe (11) is connected with the vertical pipe (7) through the three-way pipeline, and the space inside the vertical pipe (7) is communicated with the space inside the vertical pipe (7) through the branch pipe (11).
5. The protective wall for preventing coal and gas outburst according to claim 4, wherein: the branch pipes (11) and the mine main body (10) form a structure in the shape of a Chinese character jing, and the branch pipes (11) and the pumping and discharging pipes (6) are arranged in a one-to-one correspondence mode.
6. The protective wall for preventing coal and gas outburst according to claim 1, wherein: the first supporting rod (13) and the second supporting rod (14) form an X-shaped structure, and the length of the first supporting rod (13) and the length of the second supporting rod (14) are larger than the diameter of the drawing and releasing pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010925427.8A CN112228153B (en) | 2020-09-04 | 2020-09-04 | Prevent protecting wall that coal and gas are outstanding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010925427.8A CN112228153B (en) | 2020-09-04 | 2020-09-04 | Prevent protecting wall that coal and gas are outstanding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112228153A CN112228153A (en) | 2021-01-15 |
| CN112228153B true CN112228153B (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010925427.8A Active CN112228153B (en) | 2020-09-04 | 2020-09-04 | Prevent protecting wall that coal and gas are outstanding |
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| Country | Link |
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| CN (1) | CN112228153B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4157204A (en) * | 1978-07-27 | 1979-06-05 | The United States Of America As Represented By The Secretary Of The Interior | Face ventilation system for coal mines |
| RU2094614C1 (en) * | 1992-05-12 | 1997-10-27 | Российский научно-исследовательский институт горноспасательного дела | Active fire-prevention stopping |
| US6554368B2 (en) * | 2000-03-13 | 2003-04-29 | Oil Sands Underground Mining, Inc. | Method and system for mining hydrocarbon-containing materials |
| CN201255004Y (en) * | 2008-07-22 | 2009-06-10 | 义马煤业(集团)有限责任公司 | Anti-extrusion honeycomb machine |
| CN201786385U (en) * | 2010-09-21 | 2011-04-06 | 安徽理工大学 | A structure for preventing outburst of coal and gas |
| CN102797500A (en) * | 2012-08-24 | 2012-11-28 | 淮南矿业(集团)有限责任公司 | Gob sealing structure |
| CN103206238A (en) * | 2013-04-02 | 2013-07-17 | 贵州大学 | Method for preventing and controlling gas on low-permeability outburst coal seams |
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| CN205135697U (en) * | 2015-11-03 | 2016-04-06 | 大同煤矿集团机电装备科工安全仪器有限责任公司 | Prevent return -air ground gas drainage device |
| CN205135707U (en) * | 2015-11-13 | 2016-04-06 | 西安科技大学 | Withstand voltage fire seal in collecting space area |
| CN206458490U (en) * | 2016-12-29 | 2017-09-01 | 六盘水师范学院 | A kind of combined type coal mine roadway support bracket |
| CN206581974U (en) * | 2017-03-06 | 2017-10-24 | 彬县水帘洞煤炭有限责任公司 | One kind is long to take out the short suction pre- arranging device of gas |
| CN106988782A (en) * | 2017-05-23 | 2017-07-28 | 中国神华能源股份有限公司 | Underground coal mine fire seal construction method |
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| CN111005763A (en) * | 2019-12-23 | 2020-04-14 | 山西潞安环保能源开发股份有限公司常村煤矿 | Coal mine underground sealing wall and preparation method thereof |
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2020
- 2020-09-04 CN CN202010925427.8A patent/CN112228153B/en active Active
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