CN205189926U - High gas tunnel ventilation construction structures - Google Patents
High gas tunnel ventilation construction structures Download PDFInfo
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- CN205189926U CN205189926U CN201521039050.7U CN201521039050U CN205189926U CN 205189926 U CN205189926 U CN 205189926U CN 201521039050 U CN201521039050 U CN 201521039050U CN 205189926 U CN205189926 U CN 205189926U
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Abstract
The utility model discloses a high gas tunnel ventilation construction structures, establish the first blowdown wind fan in parallel pilot tunnel including the three axial -flow blower who lays side by side in tunnel main cave, three tuber pipe and a plurality of equipartition, three tuber pipe is first tuber pipe, second tuber pipe and third tuber pipe respectively, be provided with first transverse passage -way and second transverse passage -way between tunnel main cave and the parallel pilot tunnel, the second transverse passage -way is the passageway of airing exhaust, first tuber pipe front end and tunnel main cave top bar interval between the face of excavation 5m, second tuber pipe front end and tunnel main cave get out of a predicament or an embarrassing situation interval between the face of excavation 5m, the third tuber pipe gets into just interval < the 5m of its front end and the face of parallel pilot tunnel of parallel pilot tunnel through first transverse passage -way, two sets of air supply fans about having laid in the tunnel main cave. The utility model has the advantages of simple structure and reasonable design and the continuous forward propulsion's of face in the high gas tunnel work progress ventilation demand can be satisfied in installation and use simple and convenient, excellent in use effect.
Description
Technical field
The utility model belongs to technical field of tunnel construction, especially relates to a kind of high methane tunnel ventilation construction structure.
Background technology
Gas tunnel is divided into three kinds, present low gas tunnel, high methane tunnel and Gas Outburst tunnel, and the type of gas tunnel is determined by the superlative degree in gas work area in tunnel.Gas tunnel work area is divided into non-gas work area, present low gas work area, high methane work area and Gas Outburst work area four class.Wherein, present low gas work area and high methane work area can judge by absolute gas emission rate: the gas emission when full work area is less than 0.5m
3during/min, it is present low gas work area; Gas emission when full work area is more than or equal to 0.5m
3during/min, it is high methane work area.As long as gas tunnel has a place to have outburst danger, this place work area be Gas Outburst work area.
In constructing tunnel process, although area, coal seam can be avoided as much as possible, often costly, sometimes also have to pass from coalfield, this construction that just will inevitably run into high methane tunnel and pass through tunnel, coal seam.In high methane constructing tunnel process, tunnel ventilation is most important.But at present, high methane tunnel ventilation construction technology is still immature at home, mostly is the regulation using for reference safety of coal mines technical elements and constructs.Thus, a kind of structure need be designed simple, reasonable in design and install and high methane tunnel ventilation construction structure easy to use, result of use is good, the ventilation requirement that in high methane constructing tunnel process, face is constantly pushed ahead can be met.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of high methane tunnel ventilation construction structure is provided, its structure simple, reasonable in design and install and easy to use, result of use good, can meet the ventilation requirement that in high methane constructing tunnel process, face is constantly pushed ahead.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of high methane tunnel ventilation construction structure, it is characterized in that: comprise three and be all laid in the axial fan in the main hole, tunnel in constructed high methane tunnel, three airducts be connected with the air outlet of three described axial fans respectively and multiple the first blowdown wind blower fan be all laid in parallel conductive hole, three described axial fans are laid side by side and three is respectively the first axial flow blower be laid in from left to right in main hole, tunnel, the second axial flow blower and the 3rd axial flow blower; The 3rd airduct that three described airducts are respectively the first airduct be connected with the air outlet of the first axial flow blower, the second airduct be connected with the air outlet of the second axial flow blower and are connected with the air outlet of the 3rd axial flow blower; Described parallel pilot tunnel is positioned on the right side of main hole, tunnel and it is parallel laying with main hole, tunnel, main hole, described tunnel be provided with the first transverse passage-way and the second transverse passage-way between parallel pilot tunnel, described second transverse passage-way is positioned on front side of the first transverse passage-way; Crossing between the main hole of described first transverse passage-way and tunnel is provided with windbreak, described second transverse passage-way is blowdown wind passage, intersection between the main hole of described first transverse passage-way and tunnel is the first intersection, and the intersection between the main hole of the second transverse passage-way and tunnel is the second intersection; Main hole, described tunnel is all positioned on front side of the second transverse passage-way with the face of parallel pilot tunnel, and main hole, described tunnel is adopt benching tunneling method to excavate shaping Tunnel, and parallel pilot tunnel is adopt full section method to excavate shaping Tunnel; Described first airduct is laid in the space D 1 < 5m topped bar between the face that excavates in main hole, tunnel and the main hole in its front end and tunnel, described second airduct is laid in the space D 2 < 5m got out of a predicament or an embarrassing situation between the face that excavates in main hole, tunnel and the main hole in its front end and tunnel, and described 3rd airduct enters parallel pilot tunnel and space D 3 < 5m between its front end and the face of parallel pilot tunnel through the first transverse passage-way; Distance D4 >=30m between three described axial fans and described first intersection; Multiple described first blowdown wind blower fan is by lay after forward direction on the same line and it is jet blower; The two groups of breeze fans in left and right are laid with in main hole, described tunnel, breeze fan described in two groups is all between described first intersection and described second intersection, often organizing described breeze fan includes multiple by the backward front breeze fan laid on the same line, and described breeze fan is jet blower.
Above-mentioned high methane tunnel ventilation construction structure, is characterized in that: described in two groups, breeze fan is symmetrically laid, and the spacing often organized before and after in described breeze fan between adjacent two described breeze fans is 80m ~ 100m.
Above-mentioned high methane tunnel ventilation construction structure, is characterized in that: described in two groups, breeze fan is laid in the left and right sides in main hole, tunnel respectively.
Above-mentioned high methane tunnel ventilation construction structure, is characterized in that: multiple described first blowdown wind blower fans are all laid in the left side in parallel conductive hole, and in described 3rd airduct, the airduct sections be laid in parallel pilot tunnel is positioned at the right side of parallel pilot tunnel.
Above-mentioned high methane tunnel ventilation construction structure, is characterized in that: described first airduct and the second airduct all along tunnel the longitudinal extension direction in main hole lay.
Above-mentioned high methane tunnel ventilation construction structure, is characterized in that: be laid with the second blowdown wind blower fan in described second transverse passage-way, and described second blowdown wind blower fan is jet blower.
Above-mentioned high methane tunnel ventilation construction structure, is characterized in that: the quantity that institute lays the second blowdown wind blower fan in described second transverse passage-way is one and this second blowdown wind blower fan is laid in close parallel pilot tunnel side.
The utility model compared with prior art has the following advantages:
1, structure is simple and reasonable in design, and input cost is lower.
2, install lay convenient, use easy and simple to handle and ventilation effect good, the ventilation requirement in high methane tunnel can be met, and can not have any impact to constructing tunnel.
3, the ventilation equipment position adopted is laid reasonable, easy and simple to handle and result of use is good, all be laid in the axial fan in the main hole, tunnel in constructed high methane tunnel by three, be multiplely all laid in the first blowdown wind blower fan in parallel conductive hole and a second blowdown wind blower fan be laid in blowdown wind passage forms, send into fresh air by three axial fans to face during actual use, get rid of foul atmosphere by blowdown wind passage and parallel pilot tunnel.
In sum, the utility model structure simple, reasonable in design and install and easy to use, result of use good, can meet the ventilation requirement that in high methane constructing tunnel process, face is constantly pushed ahead.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is Construction State schematic diagram of the present utility model.
Description of reference numerals:
Main hole, 1-tunnel; 2-1-the first axial flow blower; 2-2-the second axial flow blower;
2-3-the 3rd axial flow blower; 3-parallel pilot tunnel; 4-the first blowdown wind blower fan;
5-the first transverse passage-way; 6-the second transverse passage-way; 6-1-the first airduct;
6-2-the second airduct; 6-3-the 3rd airduct; 7-windbreak;
8-breeze fan; 9-the second blowdown wind blower fan.
Detailed description of the invention
As shown in Figure 1, the utility model comprises three and is all laid in the axial fan in the main hole, tunnel 1 in constructed high methane tunnel, three airducts be connected with the air outlet of three described axial fans respectively and multiple the first blowdown wind blower fan 4, three described axial fans be all laid in parallel conductive hole 3 lay side by side and three is respectively the first axial flow blower 2-1, the second axial flow blower 2-2 and the 3rd axial flow blower 2-3 that are laid in from left to right in main hole 1, tunnel.The 3rd airduct 6-3 that three described airducts are respectively the first airduct 6-1 be connected with the air outlet of the first axial flow blower 2-1, the second airduct 6-2 be connected with the air outlet of the second axial flow blower 2-2 and are connected with the air outlet of the 3rd axial flow blower 2-3.Described parallel pilot tunnel 3 is positioned on the right side of main hole, tunnel 1 and itself and main hole, tunnel 1 in parallel laying, and be provided with the first transverse passage-way 5 and the second transverse passage-way 6 between main hole, described tunnel 1 with parallel pilot tunnel 3, described second transverse passage-way 6 is positioned on front side of the first transverse passage-way 5; Crossing between the main hole 1 of described first transverse passage-way 5 and tunnel is provided with windbreak 7, described second transverse passage-way 6 is blowdown wind passage, intersection between the main hole 1 of described first transverse passage-way 5 and tunnel is the first intersection, and the intersection between the main hole 1 of the second transverse passage-way 6 and tunnel is the second intersection.On front side of main hole, described tunnel 1 is all positioned at the second transverse passage-way 6 with the face of parallel pilot tunnel 3, main hole 1, described tunnel is adopt benching tunneling method to excavate shaping Tunnel, and parallel pilot tunnel 3 is adopt full section method to excavate shaping Tunnel.Described first airduct 6-1 is laid in the space D 1 < 5m topped bar between the face that excavates in main hole, the tunnel 1 and main hole 1 in its front end and tunnel, described second airduct 6-2 is laid in the space D 2 < 5m got out of a predicament or an embarrassing situation between the face that excavates in main hole, the tunnel 1 and main hole 1 in its front end and tunnel, and described 3rd airduct 6-3 enters parallel pilot tunnel 3 and space D 3 < 5m between its front end and the face of parallel pilot tunnel 3 through the first transverse passage-way 5.Distance D4 >=30m between three described axial fans and described first intersection.Multiple described first blowdown wind blower fan 4 is by lay after forward direction on the same line and it is jet blower.The two groups of breeze fans 8 in left and right are laid with in main hole 1, described tunnel, breeze fan 8 described in two groups is all between described first intersection and described second intersection, often organizing described breeze fan 8 includes multiple by the backward front breeze fan 8 laid on the same line, and described breeze fan 8 is jet blower.
In the present embodiment, described in two groups, breeze fan 8 is symmetrically laid, and the spacing often organized before and after in described breeze fan 8 between adjacent two described breeze fans 8 is 80m ~ 100m.
During practice of construction, can according to specific needs, the spacing between adjacent two described breeze fans 8 be adjusted accordingly.
In the present embodiment, breeze fan 8 described in two groups is laid in the left and right sides in main hole 1, tunnel respectively.
Further, multiple described first blowdown wind blower fans 4 are all laid in the left side in parallel conductive hole 3, and in described 3rd airduct 6-3, the airduct sections be laid in parallel pilot tunnel 3 is positioned at the right side of parallel pilot tunnel 3.
During practice of construction, described first airduct 6-1 and the second airduct 6-2 all along tunnel the longitudinal extension direction in main hole 1 lay.
In the present embodiment, be laid with the second blowdown wind blower fan 9 in described second transverse passage-way 6, described second blowdown wind blower fan 9 is jet blower.
Further, the quantity that in described second transverse passage-way 6, institute lays the second blowdown wind blower fan 9 is one and this second blowdown wind blower fan 9 is laid in close parallel pilot tunnel 3 side.
Actual when using, can according to specific needs, the quantity of the second blowdown wind blower fan 9 and the installation position of each second blowdown wind blower fan 9 in the second transverse passage-way 6 are adjusted accordingly.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solutions of the utility model.
Claims (7)
1. a high methane tunnel ventilation construction structure, it is characterized in that: comprise three axial fans be all laid in the main hole, tunnel (1) in constructed high methane tunnel, three airducts be connected with the air outlet of three described axial fans respectively and multiple the first blowdown wind blower fan (4) be all laid in parallel conductive hole (3), three described axial fans are laid side by side and three is respectively the first axial flow blower (2-1) be laid in from left to right in main hole, tunnel (1), second axial flow blower (2-2) and the 3rd axial flow blower (2-3), the 3rd airduct (6-3) that three described airducts are respectively the first airduct (6-1) be connected with the air outlet of the first axial flow blower (2-1), the second airduct (6-2) be connected with the air outlet of the second axial flow blower (2-2) and are connected with the air outlet of the 3rd axial flow blower (2-3), described parallel pilot tunnel (3) is positioned on the right side of main hole, tunnel (1) and itself and main hole, tunnel (1) in parallel laying, be provided with the first transverse passage-way (5) and the second transverse passage-way (6) between main hole, described tunnel (1) with parallel pilot tunnel (3), described second transverse passage-way (6) is positioned at the first transverse passage-way (5) front side, crossing between described first transverse passage-way (5) and main hole, tunnel (1) is provided with windbreak (7), described second transverse passage-way (6) is blowdown wind passage, intersection between described first transverse passage-way (5) and main hole, tunnel (1) is the first intersection, and the intersection between the second transverse passage-way (6) and tunnel main hole (1) is the second intersection, main hole, described tunnel (1) and the face of parallel pilot tunnel (3) are all positioned at the second transverse passage-way (6) front side, shaping Tunnel is excavated for adopting benching tunneling method in main hole, described tunnel (1), and parallel pilot tunnel (3) excavates shaping Tunnel for adopting full section method, described first airduct (6-1) is laid in the space D 1 < 5m topped bar between the face that excavates in main hole, tunnel (1) and its front end and tunnel main hole (1), described second airduct (6-2) is laid in the space D 2 < 5m got out of a predicament or an embarrassing situation between the face that excavates in main hole, tunnel (1) and its front end and tunnel main hole (1), described 3rd airduct (6-3) enters parallel pilot tunnel (3) and space D 3 < 5m between its front end and the face of parallel pilot tunnel (3) through the first transverse passage-way (5), distance D4 >=30m between three described axial fans and described first intersection, multiple described first blowdown wind blower fan (4) is by lay after forward direction on the same line and it is jet blower, the two groups of breeze fans (8) in left and right are laid with in main hole, described tunnel (1), breeze fan (8) described in two groups is all between described first intersection and described second intersection, often organizing described breeze fan (8) includes multiple by the backward front breeze fan (8) laid on the same line, and described breeze fan (8) is jet blower.
2. according to high methane tunnel ventilation construction structure according to claim 1, it is characterized in that: described in two groups, breeze fan (8) is symmetrically laid, the spacing often organized before and after in described breeze fan (8) between adjacent two described breeze fans (8) is 80m ~ 100m.
3. according to the high methane tunnel ventilation construction structure described in claim 1 or 2, it is characterized in that: described in two groups, breeze fan (8) is laid in the left and right sides in main hole, tunnel (1) respectively.
4. according to the high methane tunnel ventilation construction structure described in claim 1 or 2, it is characterized in that: multiple described first blowdown wind blower fans (4) are all laid in the left side of parallel conductive hole (3), in described 3rd airduct (6-3), the airduct sections be laid in parallel pilot tunnel (3) is positioned at the right side of parallel pilot tunnel (3).
5., according to the high methane tunnel ventilation construction structure described in claim 1 or 2, it is characterized in that: described first airduct (6-1) and the second airduct (6-2) all along tunnel the longitudinal extension direction of main hole (1) lay.
6. according to the high methane tunnel ventilation construction structure described in claim 1 or 2, it is characterized in that: be laid with the second blowdown wind blower fan (9) in described second transverse passage-way (6), described second blowdown wind blower fan (9) is jet blower.
7. according to high methane tunnel ventilation construction structure according to claim 6, it is characterized in that: the quantity that institute lays the second blowdown wind blower fan (9) in described second transverse passage-way (6) is one and this second blowdown wind blower fan (9) is laid in close parallel pilot tunnel (3) side.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521039050.7U CN205189926U (en) | 2015-12-12 | 2015-12-12 | High gas tunnel ventilation construction structures |
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| CN201521039050.7U CN205189926U (en) | 2015-12-12 | 2015-12-12 | High gas tunnel ventilation construction structures |
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| CN205189926U true CN205189926U (en) | 2016-04-27 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930781A (en) * | 2017-03-29 | 2017-07-07 | 中铁十七局集团第三工程有限公司 | A kind of gas tunnel method of ventilation and its structure |
| CN106948852A (en) * | 2017-04-27 | 2017-07-14 | 中铁十六局集团第四工程有限公司 | A kind of long range high methane constructing tunnel method of ventilation |
| CN110374655A (en) * | 2019-08-05 | 2019-10-25 | 四川省煤炭设计研究院 | A kind of driving face in coal mine local ventilation intelligent control method and control system |
| CN111022110A (en) * | 2020-01-14 | 2020-04-17 | 山西晋城无烟煤矿业集团有限责任公司 | Method for controlling gas in one-end roadway of wind-cut driving working face during mine windward period |
-
2015
- 2015-12-12 CN CN201521039050.7U patent/CN205189926U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930781A (en) * | 2017-03-29 | 2017-07-07 | 中铁十七局集团第三工程有限公司 | A kind of gas tunnel method of ventilation and its structure |
| CN106948852A (en) * | 2017-04-27 | 2017-07-14 | 中铁十六局集团第四工程有限公司 | A kind of long range high methane constructing tunnel method of ventilation |
| CN106948852B (en) * | 2017-04-27 | 2019-02-19 | 中铁十六局集团第四工程有限公司 | A kind of long range high methane constructing tunnel method of ventilation |
| CN110374655A (en) * | 2019-08-05 | 2019-10-25 | 四川省煤炭设计研究院 | A kind of driving face in coal mine local ventilation intelligent control method and control system |
| CN110374655B (en) * | 2019-08-05 | 2021-01-12 | 四川省煤炭设计研究院 | Intelligent control method and system for local ventilation of coal mine driving face |
| CN111022110A (en) * | 2020-01-14 | 2020-04-17 | 山西晋城无烟煤矿业集团有限责任公司 | Method for controlling gas in one-end roadway of wind-cut driving working face during mine windward period |
| CN111022110B (en) * | 2020-01-14 | 2021-11-12 | 山西晋城无烟煤矿业集团有限责任公司 | Method for controlling gas in one-end roadway of wind-cut driving working face during mine windward period |
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