CN211287751U - Tunnel ventilation purification device - Google Patents
Tunnel ventilation purification device Download PDFInfo
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- CN211287751U CN211287751U CN201922210432.6U CN201922210432U CN211287751U CN 211287751 U CN211287751 U CN 211287751U CN 201922210432 U CN201922210432 U CN 201922210432U CN 211287751 U CN211287751 U CN 211287751U
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Abstract
The utility model discloses a tunnel ventilation purifier, including air inlet unit and exhaust apparatus, air inlet unit installs in the left end in tunnel and the embedded road surface, exhaust apparatus installs in the right-hand member in tunnel, be fixed in on the road surface through the support, the inboard in tunnel is provided with the sound absorbing layer, a gas collecting channel is still installed on the inboard top in tunnel, the top of gas collecting channel links to each other with the port of blast pipe, the blast pipe is connected with exhaust apparatus, the blast pipe is installed to air inlet unit's gas outlet, the blast pipe is installed in the road surface of tunnel lower extreme, an supply-air outlet has been seted up respectively to the inboard both ends that the blast pipe is located the tunnel, the supply-air outlet runs through the. The device is applied to the tunnel, can handle the waste gas in the tunnel to let in fresh air in the tunnel.
Description
Technical Field
The utility model relates to a tunnel ventilation technical field, particularly a tunnel ventilation purifier.
Background
With the rapid development of highway construction in recent years, tunnels are increasingly constructed on the highways in mountainous areas to overcome terrain limitation, improve linetype, shorten driving distance, protect ecology, save fuel, save time and improve economic benefits. The more the tunnel is repaired, the longer the tunnel is repaired, especially for the highway construction in the mountainous areas in the middle and western parts of China, a plurality of long or extra-long highway tunnels need to be constructed, and the design length of the highway tunnel in the Qinling mountain and the south mountain is more up to 18 km. As the length of the highway tunnel is longer and longer, air circulation in the tunnel is not smooth, and tail gas discharged by automobiles is accumulated in the tunnel, so that the air quality in the tunnel is poor.
Found through the retrieval, patent number CN 201520866597.8's utility model discloses a tunnel ventilation purification structure, including the tunnel main part, all laid inside lining strengthening rib, its characterized in that in the tunnel main part: air ducts are arranged on two sides in the tunnel main body, and partition plates are arranged in the air ducts to divide the air ducts into an upper layer and a lower layer; the upper layer of the air duct is uniformly provided with motors, the motors are connected with large belt wheels, the lower layer of the air duct is provided with small belt wheels which are in belt transmission with the large belt wheels, the large belt wheels are provided with air outlet fans, and the small belt wheels are provided with air suction fans; the utility model has the advantages that: the utility model is simple in operation, degree of automation is high, comes the tunnel to ventilate fast through producing air pressure difference in the tunnel, can purify the discharge with the waste gas absorption of the vehicle that traveles in the tunnel simultaneously, reduces air pollution, is fit for using widely.
However, in practice, since exhaust gas generated during the running of the automobile rises in the tunnel, the effect of purifying the exhaust gas at the bottom side of the tunnel is not good, and most of the automobile exhaust gas is carbon monoxide gas, which causes great harm to human bodies and even poisoning due to long-term accumulation in the tunnel.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above insufficiency, the utility model provides a tunnel ventilation purifier here, this purifier rises to the inside waste gas in tunnel and discharges to discharge fresh air in the bottom, guarantee the ventilation problem in the whole tunnel, and discharge into the atmosphere again after carrying out purification treatment to the waste gas in the tunnel, reduced the atmosphere pollution.
The utility model is realized in such a way, a tunnel ventilation and purification device is constructed, which comprises a road surface, a tunnel, an air inlet device and an air outlet device, wherein the air inlet device is arranged at the left end of the tunnel and is embedded into the road surface, and the air outlet device is arranged at the right end of the tunnel and is fixed on the road surface through a bracket; the inner side of the tunnel is provided with a sound absorption layer, the top end of the inner side of the tunnel is also provided with a gas collecting hood, the top of the gas collecting hood is connected with the port of an exhaust pipe, and the exhaust pipe is connected with an exhaust device; and an air supply pipe is arranged at an air outlet of the air inlet device, the air supply pipe is arranged in a road surface at the lower end of the tunnel, two ends of the air supply pipe, which are positioned at the inner side of the tunnel, are respectively provided with an air supply outlet, and the air supply outlets penetrate through the top end of the road surface.
Further, the air inlet device comprises a fan shell, a rotary fan, an air filter plate and an air inlet protective cover; an air filter plate and an air inlet protective cover are installed at an air inlet of the fan shell, an air outlet of the fan shell is connected with an air supply pipe, and the rotary fan is arranged inside the fan shell.
Further, the exhaust device comprises an exhaust cavity, a filter plate, an axial flow fan, a catalyst plate, an exhaust port and a particulate matter discharge port; one end of the exhaust cavity is connected with the exhaust pipe, the filter plate, the axial flow fan and the catalyst plate are sequentially arranged inside the exhaust cavity, and the other end of the exhaust cavity is closed; the particulate matter discharge port is opened in the exhaust cavity bottom side before the filter, and the gas vent is opened in the exhaust cavity's behind the catalyst board top.
Further, the sound absorbing layer is made of a sound absorbing material. The inside of the gas-collecting hood can be provided with lighting equipment.
The utility model discloses following beneficial effect has:
the utility model discloses simple structure, in use not only can trade the wind to the tunnel inside, noise and the echo in the tunnel that produces when can also reducing trades the wind have guaranteed driving safety.
The utility model discloses in, air inlet safety cover and the air filter board through reasonable design tunnel air intake can with inspiratory air purification with prevent to block up, have guaranteed the ventilation in tunnel.
Through the inboard sound absorbing layer in reasonable design tunnel not only can reduce the noise that produces when trading the wind, can restrain the echo that the car produced when whistling in the tunnel moreover, guaranteed driving safety.
The exhaust pipe can be prevented from being blocked by reasonably designing the particle discharge port formed at the front end of the filter plate in the exhaust pipe.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of the air suction device of the present invention;
fig. 3 is a schematic structural diagram of the exhaust device of the present invention.
In the figure: 1. a pavement; 2. an air supply pipe; 3. an air intake device; 3.1, a fan shell; 3.2, rotating a fan; 3.3, an air filter plate; 3.4, an air inlet protective cover; 4. a tunnel; 5. a sound absorbing layer; 6. a gas-collecting hood; 7. an exhaust pipe; 8. an exhaust device; 8.1, exhausting the cavity; 8.2, a filter plate; 8.3, an axial flow fan; 8.4, catalyst plate; 8.5, an exhaust port; 8.6, a particle discharge port; 9. a support; 10. an air supply outlet.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 3, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses an improve and provide a tunnel ventilation purifier here, including road surface 1, tunnel 4, air inlet unit 3 and exhaust apparatus 8, air inlet unit 3 installs in tunnel 4's left end and imbeds in road surface 1, and exhaust apparatus 8 installs in tunnel 4's right-hand member, is fixed in on road surface 1 through support 9.
The inner side of the tunnel 4 is provided with a sound absorbing layer 5, which sound absorbing layer 5 is made of a sound absorbing material. A gas-collecting hood 6 is also installed at the top end of the inner side of the tunnel 4, and lighting equipment can be installed inside the gas-collecting hood 6. The top of the gas-collecting hood 6 is connected with the port of the exhaust pipe 7, and the exhaust pipe 7 is connected with the exhaust device 8.
An air supply pipe 2 is installed at an air outlet of the air inlet device 3, the air supply pipe 2 is installed in a pavement 1 at the lower end of the tunnel 4, air supply outlets 10 are respectively formed in two ends, located on the inner side of the tunnel 4, of the air supply pipe 2, and the air supply outlets 10 penetrate through the top end of the pavement 1.
The air inlet device 3 comprises a fan housing 3.1, a rotary fan 3.2, an air filter plate 3.3 and an air inlet protective cover 3.4. An air filter plate 3.3 and an air inlet protective cover 3.4 are installed at an air inlet of the fan shell 3.1, an air outlet of the fan shell 3.1 is connected with an air supply pipe 2, and the rotary fan 3.2 is arranged inside the fan shell 3.1.
The exhaust device 8 comprises an exhaust cavity 8.1, a filter plate 8.2, an axial flow fan 8.3, a catalyst plate 8.4, an exhaust port 8.5 and a particulate matter discharge port 8.6.
One end of the exhaust cavity 8.1 is connected with an exhaust pipe 7, a filter plate 8.2, an axial flow fan 8.3 and a catalyst plate 8.4 are sequentially arranged inside the exhaust cavity 8.1, and the other end of the exhaust cavity 8.1 is sealed.
The particulate matter discharge port 8.6 is opened at the bottom side of the exhaust cavity 8.1 in front of the filter plate 8.2, and the exhaust port 8.5 is opened at the top of the exhaust cavity 8.1 behind the catalyst plate 8.4.
When the device is implemented, the rotary fan 3.2 in the air inlet device 3 starts to rotate, the air outside the tunnel passes through the air inlet protective cover 3.4 and the air filter plate 3.3, and continuously sends fresh air into the tunnel 4, the axial flow fan in the exhaust cavity 8.1 is started simultaneously, the waste gas inside the gas collecting hood 6 is sucked into the exhaust pipe 7, the waste gas passes through the filter plate 8.2 after passing through the exhaust pipe 7, larger particles are blocked on the filter plate 8.2 and are discharged to the outside through the particle discharge port 8.6 below under the action of gravity, and the rest waste gas reacts with the catalyst on the catalyst plate 8.4 at the rear end of the filter plate 8.2 to form pollution-free gas and is finally discharged into the atmosphere along with the exhaust port 8.5.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. A ventilation purification device for a tunnel is characterized in that; the air inlet device (3) is mounted at the left end of the tunnel (4) and embedded into the road surface (1), and the exhaust device (8) is mounted at the right end of the tunnel (4) and fixed on the road surface (1) through a support (9);
a sound absorption layer (5) is arranged on the inner side of the tunnel (4), a gas collecting hood (6) is further installed at the top end of the inner side of the tunnel (4), the top of the gas collecting hood (6) is connected with a port of an exhaust pipe (7), and the exhaust pipe (7) is connected with an exhaust device (8);
the air supply device is characterized in that an air supply pipe (2) is installed at an air outlet of the air inlet device (3), the air supply pipe (2) is installed in a pavement (1) at the lower end of the tunnel (4), air supply openings (10) are respectively formed in two ends, located on the inner side of the tunnel (4), of the air supply pipe (2), and the air supply openings (10) penetrate through the top end of the pavement (1).
2. The tunnel ventilation purification device of claim 1, wherein; the air inlet device (3) comprises a fan shell (3.1), a rotary fan (3.2), an air filter plate (3.3) and an air inlet protective cover (3.4);
air filter board (3.3) and air inlet safety cover (3.4) are installed to the air inlet of fan shell (3.1), the gas outlet of fan shell (3.1) is connected with blast pipe (2), rotatory fan (3.2) are arranged in inside fan shell (3.1).
3. The tunnel ventilation purification device of claim 1, wherein; the exhaust device (8) comprises an exhaust cavity (8.1), a filter plate (8.2), an axial flow fan (8.3), a catalyst plate (8.4), an exhaust port (8.5) and a particulate matter discharge port (8.6);
one end of the exhaust cavity (8.1) is connected with an exhaust pipe (7), the filter plate (8.2), the axial flow fan (8.3) and the catalyst plate (8.4) are sequentially arranged inside the exhaust cavity (8.1), and the other end of the exhaust cavity (8.1) is closed;
the particle discharge port (8.6) is arranged at the bottom side of the exhaust cavity (8.1) in front of the filter plate (8.2), and the exhaust port (8.5) is arranged at the top of the exhaust cavity (8.1) behind the catalyst plate (8.4).
4. The tunnel ventilation purification device of claim 1, wherein; the sound absorption layer (5) is made of sound absorption materials.
5. The tunnel ventilation purification device of claim 1, wherein; and lighting equipment can be arranged in the gas collecting hood (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922210432.6U CN211287751U (en) | 2019-12-11 | 2019-12-11 | Tunnel ventilation purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922210432.6U CN211287751U (en) | 2019-12-11 | 2019-12-11 | Tunnel ventilation purification device |
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| CN211287751U true CN211287751U (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922210432.6U Active CN211287751U (en) | 2019-12-11 | 2019-12-11 | Tunnel ventilation purification device |
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| CN (1) | CN211287751U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554931A (en) * | 2020-12-07 | 2021-03-26 | 西安石油大学 | Tunnel ventilation developments exhaust device based on pollutant concentration |
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2019
- 2019-12-11 CN CN201922210432.6U patent/CN211287751U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554931A (en) * | 2020-12-07 | 2021-03-26 | 西安石油大学 | Tunnel ventilation developments exhaust device based on pollutant concentration |
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