CN211715166U - Gas dispersing device for tunnel - Google Patents
Gas dispersing device for tunnel Download PDFInfo
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- CN211715166U CN211715166U CN202020027909.7U CN202020027909U CN211715166U CN 211715166 U CN211715166 U CN 211715166U CN 202020027909 U CN202020027909 U CN 202020027909U CN 211715166 U CN211715166 U CN 211715166U
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- tunnel
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Abstract
The utility model discloses a gas dispersing device for tunnel, including fan, air compressor, first tuber pipe, second tuber pipe, first fan, air collecting plate, PE acoustical panel, fall the noise reduction device and the second fan of making an uproar. The noise reduction and noise reduction device comprises a PE noise reduction block and a vent plate, wherein the vent plate comprises a plate body and air holes. The utility model adopts the dilution and discharge integrated gas dispersing mode, firstly reduces the gas concentration on the tunnel face, and then discharges the gas, thereby ensuring the safety of tunnel constructors; the noise reduction device is arranged, so that the noise generated in the gas dissipation process is reduced, and the construction efficiency is influenced; simple structure, the practicality is strong, can be used for multiple construction environment. The problem of among the prior art gas emission untimely for gas concentration is high, and then causes the incident is solved.
Description
Technical Field
The utility model belongs to tunnel construction field, concretely relates to gas dispels device for tunnel.
Background
The gas is formed by decomposing cellulose and organic matters under the action of anaerobic bacteria at the initial stage of stacking ancient plants into coal. In a high-temperature and high-pressure environment, gas is continuously generated due to physical and chemical actions while coal is formed. The gas has the permeability 1.6 times of that of air, is difficult to dissolve in water, does not support combustion and can not maintain breath, and when reaching a certain concentration, people can suffocate due to oxygen deficiency and can be burnt or exploded.
In tunnel construction, coal seams and high gas zones are often encountered, coal originally buried deeply is exposed, gas attached to the surface of the coal is released, and if the coal is not ventilated and discharged, the coal is detonated when the concentration reaches a certain amount and meets fire and electric sparks, so that accidents are caused, for example, the gas explosion of expressway tunnels in Yangtze weir cities in the past is the same.
Therefore, the method is particularly important for dispersing gas in the tunnel construction process. Aiming at the problems, the gas dispersing device for the tunnel is designed to dilute and discharge gas, so that the safety of tunnel construction is ensured.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model aims to provide a gas dispersing device for tunnel has solved among the prior art gas emission untimely for gas concentration is high, and then causes the problem of incident.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides a gas dispels device for tunnel, is including arranging fan and the air compressor outside the tunnel in, the fan is connected with the first tuber pipe of arranging in the tunnel in, the air compressor is connected with the second tuber pipe of arranging in the tunnel.
One side of the port of the second air pipe is provided with an air outlet through hole, and the other side of the port of the second air pipe is provided with a first fan communicated with the second air pipe.
The one end of second tuber pipe is equipped with the deep bead, be equipped with the collection aerofoil that the slope set up in the second tuber pipe, the one end of collection aerofoil is equipped with PE acoustical panel, be equipped with the vent on the collection aerofoil, the other end of collection aerofoil is equipped with the noise reduction device that makes an uproar that falls who wraps up the vent, be equipped with the second fan in the second tuber pipe.
The noise reduction and reduction device comprises a PE noise reduction block and a vent plate, wherein the PE noise reduction block wraps the vent plate.
The ventilating plate comprises a plate body, and ventilating holes are formed in the plate body.
The utility model has the advantages that:
1. the utility model adopts the dilution and discharge integrated gas dispersing mode, firstly reduces the gas concentration on the tunnel face, and then discharges the gas, thereby ensuring the safety of tunnel constructors;
2. the utility model is provided with the noise reduction device, which reduces the noise generated in the gas dispersion process and influences the construction efficiency;
3. the utility model discloses simple structure, the practicality is strong, can be used for multiple construction environment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a schematic diagram of a gas dilution module according to an embodiment of the present invention;
fig. 3 is a schematic view of a noise reduction device according to an embodiment of the present invention;
fig. 4 is a front view of an aeration panel according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
As shown in fig. 1, the gas dispersing device for the tunnel comprises a fan 4 and an air compressor 5, wherein the fan 4 is arranged outside the tunnel 1, the fan 4 is connected with a first air pipe 3 arranged in the tunnel 1, and the air compressor 5 is connected with a second air pipe 2 arranged in the tunnel 1. One end of the first air pipe 3 is arranged at a position of 20-30 meters of the tunnel inner face, and one end of the second air pipe 2 is arranged at a position of 5-10 meters of the tunnel inner face.
As shown in fig. 2, an air outlet through hole 6 is formed at one side of a port of the second air duct 2, and a first fan 8 communicated with the second air duct 2 is arranged at the other side of the port. The wind-proof structure is characterized in that a wind-proof plate 7 is arranged at one end of the second wind pipe 2, a wind-collecting plate 10 which is obliquely arranged is arranged in the second wind pipe 2, a PE (polyethylene) sound-absorbing plate 11 is arranged at one end of the wind-collecting plate 10, a vent 12 is arranged on the wind-collecting plate 10, and a noise-reducing and sound-reducing device 13 which wraps the vent 12 is arranged at the other end of the wind-collecting plate 10. The second air duct 2 is internally provided with a second fan 9, and it should be noted that the second fan 9 is arranged in the second air duct 2 every 20-30 meters so as to ensure the air flow rate in the second air duct 2.
As shown in fig. 3, the noise reduction and sound reduction device 13 includes two parts, a PE sound-absorbing block 131 and a vent plate 132, wherein the PE sound-absorbing block 131 wraps the vent plate 132. As shown in fig. 4, the vent plate 132 includes a plate body 1321, and the plate body 1321 is provided with vent holes 1322.
It should be noted that there may be a plurality of air outlet holes 6 and air holes 1322, and the arrow without reference number in the drawings in the specification is the air flowing direction.
When the device is used for dispersing the gas in the tunnel, the fan 4 and the air compressor 5 are started firstly, so that the air is blown into the tunnel 1 by the first air pipe 3 and the second air pipe 2, the air is accelerated in the second air pipe 2 through the second fans 9, then is subjected to noise reduction through the PE acoustical panel 11 and flow collection acceleration through the air collection panel 10, passes through the air holes 1322 to flow onto the wind shield 7, is blown through the first fan 8, and finally flows out from the air outlet through hole 6. Because first tuber pipe 3 and second tuber pipe 2 all blow in the air in to the tunnel for gas dilutes in the tunnel, is discharged by the tunnel mouth after a period.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (3)
1. A gas dispersing device for a tunnel comprises a fan (4) and an air compressor (5) which are arranged outside the tunnel (1), and is characterized in that the fan (4) is connected with a first air pipe (3) arranged in the tunnel (1), and the air compressor (5) is connected with a second air pipe (2) arranged in the tunnel (1);
one side of the port of the second air pipe (2) is provided with an air outlet through hole (6), and the other side is provided with a first fan (8) communicated with the second air pipe (2);
the one end of second tuber pipe (2) is equipped with deep bead (7), be equipped with collection aerofoil (10) that the slope set up in second tuber pipe (2), the one end of collection aerofoil (10) is equipped with PE acoustical panel (11), be equipped with vent (12) on collection aerofoil (10), the other end of collection aerofoil (10) is equipped with the noise reduction of making an uproar of parcel vent (12) and subtracts sound device (13), be equipped with second fan (9) in second tuber pipe (2).
2. A gas dispersion device for tunnel according to claim 1, wherein said noise reduction and noise reduction device (13) comprises two parts of PE noise reduction block (131) and air vent plate (132), said PE noise reduction block (131) wrapping said air vent plate (132).
3. The gas dispersing device for tunnel according to claim 2, wherein the ventilating plate (132) comprises a plate body (1321), and the plate body (1321) is provided with ventilating holes (1322).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020027909.7U CN211715166U (en) | 2020-01-07 | 2020-01-07 | Gas dispersing device for tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020027909.7U CN211715166U (en) | 2020-01-07 | 2020-01-07 | Gas dispersing device for tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211715166U true CN211715166U (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020027909.7U Active CN211715166U (en) | 2020-01-07 | 2020-01-07 | Gas dispersing device for tunnel |
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| CN (1) | CN211715166U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116696437A (en) * | 2023-05-24 | 2023-09-05 | 中交一公局集团有限公司 | High gas tunnel ventilation supply device |
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2020
- 2020-01-07 CN CN202020027909.7U patent/CN211715166U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116696437A (en) * | 2023-05-24 | 2023-09-05 | 中交一公局集团有限公司 | High gas tunnel ventilation supply device |
| CN116696437B (en) * | 2023-05-24 | 2023-11-07 | 中交一公局集团有限公司 | High gas tunnel ventilation supply device |
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