CN212774371U - Tunnel blasting ventilation unit - Google Patents
Tunnel blasting ventilation unit Download PDFInfo
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- CN212774371U CN212774371U CN202021313318.2U CN202021313318U CN212774371U CN 212774371 U CN212774371 U CN 212774371U CN 202021313318 U CN202021313318 U CN 202021313318U CN 212774371 U CN212774371 U CN 212774371U
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- tunnel
- ring
- tunnel blasting
- ventilation
- fan
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Abstract
The utility model discloses a tunnel blasting ventilation unit belongs to blasting ventilation unit technical field, including solid fixed ring and the rotating ring of setting in solid fixed ring inside, rotate through the pivot between solid fixed ring and the rotating ring and connect, install the protection casing on the rotating ring, fixed mounting has the motor on the protection casing, and the output shaft of motor has the ventilation fan. The utility model discloses a fixing device and location nail will be fixed solid fixed ring in the tunnel, and outside the toxic gas in the tunnel discharges the tunnel after the filtration of filter core behind the fan will explode to blowout atomized water, the water spray can turn into nitrous acid to nitrogen oxide, and help coming out nitrogen oxide expulsion from the rubble by the fan exhaust tunnel that ventilates, rotate the swivel becket simultaneously, in the fan that ventilates can blow in the tunnel with the air in the external world, improve the operation environment and dilute and remain the poison gas.
Description
Technical Field
The utility model relates to a blasting ventilation unit especially relates to tunnel blasting ventilation unit, belongs to blasting ventilation unit technical field.
Background
At present, in the tunneling and excavation of a roadway, a drilling blasting method is used as an economic and efficient construction means and is widely applied, but when the roadway is tunneled and blasted, gas generated by explosive explosion contains a large amount of toxic components, the concentration of toxic gas exceeds the standard easily due to narrow tunnel space and poor ventilation condition, the serious threat to the health and safe production of constructors is caused, the toxic gas is one of important reasons for causing underground death accidents, and part of the toxic gas can play a role in accelerating blasting, so that catastrophic accidents are easily caused.
Poisonous gas in the tunnel is aired exhaust for a long time, directly discharges and influences ecological environment, the utility model discloses new solution has been proposed to above problem.
How to research out the tunnel blasting ventilation unit that high efficiency discharged toxic gas and reduce to ecological environment's influence is the problem that awaits solution at present.
SUMMERY OF THE UTILITY MODEL
The main objective of the utility model is to provide a high-efficient discharge toxic gas and reduce the tunnel blasting ventilation unit to the ecological environment influence in order to solve the not enough of prior art.
The purpose of the utility model can be achieved by adopting the following technical scheme:
tunnel blasting ventilation unit, be in including solid fixed ring and setting gu fixed ring inside swivel becket, gu fixed ring with rotate through the pivot between the swivel becket and connect, install the protection casing on the swivel becket, fixed mounting has the motor on the protection casing, the output shaft of motor has the ventilation fan, the gas collecting channel has been cup jointed on the swivel becket, the other end of gas collecting channel is connected with the chimney filter, the internally mounted of chimney filter has the filter core, the other end of chimney filter is connected with air pipe, gu fixed ring's top is equipped with a plurality of atomizing nozzle, gu one side of fixed ring is equipped with the storage water tank, install the water pump on the storage water tank.
Preferably, the top and both sides of solid fixed ring all are equipped with a plurality of fixing device, gu fixed ring's bottom is equipped with a plurality of location nails.
Preferably, the atomizing nozzle, the water pump and the water storage tank are connected through a water pipe, and a plurality of universal wheels are installed at the bottom of the water storage tank.
Preferably, the ventilating duct is far away from one end of the filtering duct is provided with an exhaust fan.
Preferably, a plurality of pipeline positioning devices are sleeved on the ventilation pipeline, and each pipeline positioning device comprises a hoop body and a tip bolt arranged at one end of the hoop body.
Preferably, the fixed ring is provided with two first positioning holes, and the rotating ring is provided with two second positioning holes which are at the same height as the first positioning holes.
Preferably, a fixing rod is installed inside the first positioning hole and the second positioning hole, the fixing rod penetrates through the first positioning hole and the second positioning hole, and the fixing rod is located under the ventilation fan.
Preferably, the two rotating shafts are respectively positioned at the top and the bottom of the rotating ring.
Preferably, the ventilation fan is located between two protective nets of the protective cover.
Preferably, the rotating ring is movably connected with the gas-collecting hood, and the gas-collecting hood, the filtering pipeline and the ventilating pipeline are movably connected.
The utility model has the advantages of: according to the utility model discloses a tunnel blasting ventilation unit, this tunnel blasting ventilation unit passes through fixing device and fixes solid fixed ring in the tunnel with the location nail, the ventilation fan discharges outside the tunnel with the toxic gas in the tunnel after the filtration of blasting back through the filter core, and spout atomized water, the water spray can turn into nitrous acid to nitrogen oxide, and help expelling out nitrogen oxide from the rubble by ventilation fan discharge tunnel, rotate the rotating ring simultaneously, the ventilation fan can be with external air in the tunnel, improve the operation environment and dilute and remain the toxic gas.
Drawings
Fig. 1 is a side view of the overall structure of a preferred embodiment of a tunnel blasting ventilation apparatus according to the present invention;
fig. 2 is a top view of the overall structure of a preferred embodiment of the tunnel blasting ventilation device according to the present invention;
fig. 3 is a front view of an atomizing nozzle and a fixing rod structure of a preferred embodiment of the tunnel blasting ventilation apparatus according to the present invention;
fig. 4 is a schematic structural view of a fixing ring and a rotating ring of a preferred embodiment of the tunnel blasting ventilation device according to the present invention;
fig. 5 is a front view of a fixing device and a positioning pin structure of a preferred embodiment of the tunnel blasting ventilation device according to the present invention;
fig. 6 is a schematic structural view of a pipe positioning device according to a preferred embodiment of the tunnel blasting ventilation device of the present invention.
In the figure: 1-fixed ring, 2-rotating shaft, 3-rotating ring, 4-protective cover, 5-fixing device, 7-positioning nail, 8-motor, 9-ventilating fan, 10-atomizing nozzle, 11-water pump, 12-water storage tank, 13-universal wheel, 14-gas collecting hood, 15-filtering pipeline, 16-filter core, 17-ventilating pipeline, 18-ventilating fan, 19-pipeline positioning device, 20-hoop body, 21-pointed bolt, 22-fixed rod, 23-first positioning hole and 24-second positioning hole.
Detailed Description
In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1-6, the tunnel blasting ventilation device provided by this embodiment, including solid fixed ring 1 and the swivel becket 3 that sets up at solid fixed ring 1 inside, rotate through pivot 2 between solid fixed ring 1 and the swivel becket 3 and connect, install protection casing 4 on the swivel becket 3, fixed mounting has motor 8 on the protection casing 4, the output shaft of motor 8 has ventilation fan 9, the last gas collecting channel 14 that has cup jointed of swivel becket 3, the other end of gas collecting channel 14 is connected with filter tube 15, filter tube 15's internally mounted has filter core 16, filter tube 15's the other end is connected with air pipe 17, solid fixed ring 1's top is equipped with a plurality of atomizing nozzle 10, solid fixed ring 1's one side is equipped with storage water tank 12, install water. This tunnel blasting ventilation unit passes through fixing device 5 and fixes solid fixed ring 1 in the tunnel with location nail 7, the toxic gas in the tunnel discharges outside the tunnel after 16's the filtration of filter core with blasting back tunnel to the ventilation fan 9, and the blowout atomized water, the water spray can turn into nitrous acid to nitrogen oxide, and help coming out the expelling tunnel by ventilation fan 9 with nitrogen oxide from the rubble, rotate swivel becket 3 simultaneously, ventilation fan 9 can blow in the tunnel with the air in the external world, improve the operational environment and dilute residual toxic gas.
In this embodiment, as shown in fig. 1 and 5, the top and both sides of the fixing ring 1 are provided with a plurality of fixing devices 5, the bottom of the fixing ring 1 is provided with a plurality of positioning nails 7, the two rotating shafts 2 are respectively located at the top and bottom of the rotating ring 3, the ventilating fan 9 is located between two protective nets of the protective cover 4, the rotating ring 3 is movably connected with the air collecting cover 14, and the air collecting cover 14, the filtering pipeline 15 and the ventilating pipeline 17 are movably connected with each other. Fixing ring 1 in the tunnel through fixing device 5 and location nail 7, through rotating 3 toxic gas in the suction tunnel of swivel becket or with external air blow in the tunnel, protection casing 4 plays the guard action, avoids the staff to be hindered by rotatory ventilation fan 9 mistake and protects ventilation fan 9 simultaneously, convenient to detach's filter tube 15 makes things convenient for renew cartridge 16.
In this embodiment, as shown in fig. 3 and 5, two first positioning holes 23 are formed in the fixing ring 1, two second positioning holes 24 at the same height as the first positioning holes 23 are formed in the rotating ring 3, fixing rods 22 are installed inside the first positioning holes 23 and the second positioning holes 24, the fixing rods 22 penetrate through the first positioning holes 23 and the second positioning holes 24, and the fixing rods 22 are located right below the ventilating fan 9. When the rotary ring 3 is rotated, the fixing rod 22 is inserted into the first positioning hole 23 and the second positioning hole 24 to fix the rotary ring 3.
In this embodiment, as shown in fig. 1 and 6, an exhaust fan 18 is installed at one end of a ventilation duct 17 far from a filter duct 15, a plurality of duct positioning devices 19 are sleeved on the ventilation duct 17, each duct positioning device 19 comprises a hoop body 20 and a tip bolt 21 arranged at one end of the hoop body 20, the atomizing nozzle 10, the water pump 11 and the water storage tank 12 are connected through a water pipe, and a plurality of universal wheels 13 are installed at the bottom of the water storage tank 12. With hoop body 20 cover on ventilation pipe 17 and through tip bolt 21 fix on the tunnel inner wall, the gas outgoing tunnel after the ventilation pipe 17 adjustment direction of being convenient for will filter, water pump 11 is high pressure water pump, water pump 11 takes the water in with storage water tank 12 out from atomizing nozzle 10 blowout water smoke, ventilation fan 9 sends water smoke into tunnel depths, dust fall is carried out to the tunnel inside, can turn into nitrous acid and nitric acid with the high oxynitride of solubility, and can expel the toxic gas in rubble heap or the rock seam, flow out the tunnel along with the wind.
In this embodiment, as shown in fig. 1 to 6, the working process of the tunnel blasting ventilation device provided in this embodiment is as follows:
step 1: the fixing ring 1 is fixed in the tunnel through the fixing device 5 and the positioning nails 7, the gas collecting hood 14, the filtering pipeline 15 and the ventilating pipeline 17 are sequentially installed, the ventilating pipeline 17 is fixed through the pipeline positioning device 19, and one end of the ventilating pipeline 17 and the exhaust fan 18 are ensured to be positioned outside the tunnel;
step 2: the motor 8 is started, the ventilating fan 9 rotates to suck toxic gas in the tunnel into the ventilating duct 17 and discharge the toxic gas out of the tunnel, and when dust in the tunnel blocks the filter element 16, the filter element 16 can be replaced by detaching the filter pipeline 15;
and step 3: the internal condition of the tunnel is determined by detecting the content of toxic substances at the air outlet of the ventilation pipeline 1, the gas-collecting hood 14 is disassembled, the fixed rod 22 is drawn out, the rotating ring 3 is rotated by 180 degrees and then inserted into the fixed rod 22 for fixation, the external air can be blown into the tunnel by disassembling the gas-collecting hood 14 or adjusting the direction of the pipeline positioning device 19, the motor 8 and the water pump 11 are started, and the water pump 11 draws out the water in the water storage tank 12 and sprays water mist from the atomizing nozzle 10;
and 4, step 4: simultaneously the ventilation fan 9 is bloied and is sent into the tunnel with water in, can expel the toxic gas in rubble heap or the rock seam out, and the rethread rotates swivel 3 and makes the toxic gas discharge with the wind.
In conclusion, in this embodiment, according to the tunnel blasting ventilation unit of this embodiment, this tunnel blasting ventilation unit passes through fixing device 5 and fixes fixed ring 1 in the tunnel with location nail 7, through rotate the toxic gas in the swivel becket 3 suction tunnel or with external air blow in the tunnel in, protection casing 4 plays the guard action, avoids the staff to be hindered by rotatory ventilation fan 9 accidental injury and simultaneously protects ventilation fan 9. When the rotary ring 3 is rotated, the fixing rod 22 is inserted into the first positioning hole 23 and the second positioning hole 24 to fix the rotary ring 3. With hoop body 20 cover on ventilation pipe 17 and through tip bolt 21 fix on the tunnel inner wall, the gas outgoing tunnel after the ventilation pipe 17 adjustment direction of being convenient for will filter, water pump 11 is high pressure water pump, water pump 11 takes the water in with storage water tank 12 out from atomizing nozzle 10 blowout water smoke, to the inside dust fall that carries on in the tunnel, can turn into nitrous acid and nitric acid with the high oxynitride of solubility, and can expel the toxic gas in rubble heap or the rock seam, flow out the tunnel along with the wind.
The above description is only a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.
Claims (10)
1. The tunnel blasting ventilation device is characterized by comprising a fixing ring (1) and a rotating ring (3) arranged inside the fixing ring (1), wherein the fixing ring (1) is rotatably connected with the rotating ring (3) through a rotating shaft (2), a protective cover (4) is installed on the rotating ring (3), a motor (8) is fixedly installed on the protective cover (4), an output shaft of the motor (8) is connected with a ventilating fan (9), a gas collecting hood (14) is sleeved on the rotating ring (3), the other end of the gas collecting hood (14) is connected with a filtering pipeline (15), a filter element (16) is installed inside the filtering pipeline (15), the other end of the filtering pipeline (15) is connected with a ventilating pipeline (17), the top of the fixing ring (1) is provided with a plurality of atomizing nozzles (10), one side of the fixing ring (1) is provided with a water storage tank (12), and a water pump (11) is arranged on the water storage tank (12).
2. The tunnel blasting ventilation device according to claim 1, wherein the fixing ring (1) is provided with a plurality of fixing means (5) at the top and both sides thereof, and the fixing ring (1) is provided with a plurality of positioning pins (7) at the bottom thereof.
3. The tunnel blasting ventilation device according to claim 1, wherein the atomizing nozzle (10), the water pump (11) and the water storage tank (12) are connected through a water pipe, and a plurality of universal wheels (13) are mounted at the bottom of the water storage tank (12).
4. A tunnel blasting ventilation device according to claim 1, characterised in that the end of the ventilation duct (17) remote from the filter duct (15) is fitted with a ventilator (18).
5. The tunnel blasting ventilation device according to claim 1, wherein a plurality of duct positioning devices (19) are sleeved on the ventilation duct (17), and the duct positioning devices (19) comprise a hoop body (20) and a pointed bolt (21) arranged at one end of the hoop body (20).
6. The tunnel blasting ventilation device according to claim 1, wherein the fixed ring (1) is provided with two first positioning holes (23), and the rotating ring (3) is provided with two second positioning holes (24) at the same height as the first positioning holes (23).
7. The tunnel blasting ventilation apparatus of claim 6, wherein a fixing rod (22) is installed inside the first positioning hole (23) and the second positioning hole (24), the fixing rod (22) penetrates through the first positioning hole (23) and the second positioning hole (24), and the fixing rod (22) is located right below the ventilation fan (9).
8. A tunnel blasting ventilation device according to claim 1, characterized in that two of said shafts (2) are located at the top and bottom of said rotating ring (3), respectively.
9. A tunnel blasting ventilation device according to claim 1, characterized in that the ventilation fan (9) is located between two protective meshes of the protective hood (4).
10. The tunnel blasting ventilation device according to claim 1, wherein the rotary ring (3) is movably connected with the gas-collecting hood (14), and the gas-collecting hood (14), the filter pipeline (15) and the ventilation pipeline (17) are movably connected with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021313318.2U CN212774371U (en) | 2020-07-07 | 2020-07-07 | Tunnel blasting ventilation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021313318.2U CN212774371U (en) | 2020-07-07 | 2020-07-07 | Tunnel blasting ventilation unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212774371U true CN212774371U (en) | 2021-03-23 |
Family
ID=75076109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021313318.2U Active CN212774371U (en) | 2020-07-07 | 2020-07-07 | Tunnel blasting ventilation unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212774371U (en) |
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2020
- 2020-07-07 CN CN202021313318.2U patent/CN212774371U/en active Active
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