Ventilation device for highway tunnel
By introducing a brush and vacuum pump assembly into the tunnel ventilation system, the problem of difficult solid particle cleaning was solved, enabling effective cleaning of the filter and normal operation of the system.
Patent Information
- Application Number
- CN202520781404.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-23
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-04-23
AI Technical Summary
Existing tunnel ventilation systems are difficult to clean when absorbing exhaust gas containing solid particles, and the solid particles adhere to the axial flow fan, affecting the operation of the system.
A ventilation device for highway tunnels was designed, comprising components such as an axial flow fan, filter screen, brush, motor, vacuum pump, and solenoid valve. Solid particles on the filter screen are cleaned by the brush and discharged by the vacuum pump and water washing.
It effectively cleans solid particles from the filter screen, prevents the device from clogging, and ensures the normal operation of the ventilation system.
Smart Images
Figure CN223854300U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a tunnel ventilation technology field especially relates to a highway tunnel ventilation device. BACKGROUND
[0002] Tunnel ventilation device is the necessary device of tunnel operation, whether it is highway tunnel, railway tunnel or water tunnel will appear, is the guarantee of operating personnel safety.
[0003] Tunnel ventilation device usually by axial flow fan, hose pipe equipment composition, ventilation device can send fresh air into the tunnel, tunnel maintenance personnel provide sufficient oxygen, guarantee the demand of breathing, in addition, the vehicle drives in the tunnel and emits carbon monoxide, nitrogen oxides, hydrocarbons and other harmful gases can be discharged through the ventilation device, and the tunnel is humid, through the ventilation device can dry the tunnel.
[0004] However, the current tunnel ventilation device when inhaling the waste gas containing solid particles, internal cleaning is difficult, solid particles adhere to the axial flow fan can affect the use of device. UTILITY MODEL CONTENT
[0005] In order to make up for the above shortage, the utility model provides a highway tunnel ventilation device, aims at improving the problem that the solid particles in waste gas cannot be cleaned in the prior art.
[0006] In order to realize the above purpose, the utility model adopts the following technical scheme:
[0007] A highway tunnel ventilation device, including pipeline, the inside fixed connection of pipeline has axial flow fan, the inside fixed connection of pipeline has filter screen no.
[0008] As a further description of the above technical scheme:
[0009] The inside fixed connection of pipeline has dust absorption pipe, the end fixed connection of dust absorption pipe away from pipeline has two -way pipe, the end fixed connection of two -way pipe away from dust absorption pipe has true gas pump, the other end fixed connection of dust absorption pipe has dust absorption head;
[0010] As a further description of the above technical scheme:
[0011] The inside fixed connection of pipeline has water inlet pipe, the inside fixed connection of pipeline has water outlet pipe, the middle fixed connection of water outlet pipe has solenoid valve no.
[0012] As a further description of the above technical solutions:
[0013] The inside of the bidirectional pipe is fixedly connected with a filter screen two, and the filter screen two is fixedly connected to the input end of the vacuum pump.
[0014] As a further description of the above technical solutions:
[0015] The bottom of the bidirectional pipe is fixedly connected with a discharge pipe, and the middle of the discharge pipe is fixedly connected with a second electromagnetic valve.
[0016] As a further description of the above technical solutions:
[0017] The outside of the pipeline is fixedly connected with a fixed box, and the motor and the gear are installed inside the fixed box.
[0018] As a further description of the above technical solutions:
[0019] The outside of the pipeline is fixedly connected with a supporting plate, and the vacuum pump is installed on the top of the supporting plate.
[0020] As a further description of the above technical solutions:
[0021] The outside of the pipeline is fixedly connected with a hanging rack, and the inside of the hanging rack is installed with a fixed screw.
[0022] The utility model has the following beneficial effects:
[0023] 1、 in the utility model, the waste gas in the tunnel is sucked out through the axial flow fan, after the waste gas passes through the filter screen one, the solid particles are attached to the filter screen one, at the moment the driving motor drives the gear and the hollow gear to rotate, can make the rotating shaft and the brush rotate simultaneously, the brush rotation can clean the solid particles attached to the filter screen one, then drive the vacuum pump to suck out the solid particles, through the second electromagnetic valve and the filter screen two, can discharge the solid waste.
[0024] 2、 in the utility model, water is sprayed on the filter screen one through the water inlet pipe, then the brush is rotated to clean the residual solid waste on the filter screen one by driving the motor again, the electromagnetic valve one is opened, makes the waste water discharge through the water outlet pipe, the filter screen one after washing by water will not have residual, solve the problem that the brush can not clean when drying. DRAWINGS
[0025] Figure 1 A three-dimensional schematic view of a ventilation device for a highway tunnel is provided for the utility model;
[0026] Figure 2 A structure schematic view of the inside of a highway tunnel ventilation device is provided for the utility model.
[0027] Figure 3A longitudinal section structure diagram of the inside of the ventilation device for highway tunnel is provided in the utility model.
[0028] Figure 4 A structure diagram of the hollow gear of the ventilation device for highway tunnel is provided in the utility model.
[0029] Figure 5 A structure diagram of the motor of the ventilation device for highway tunnel is provided in the utility model.
[0030] Figure 6 A structure diagram of the brush of the ventilation device for highway tunnel is provided in the utility model.
[0031] Figure 7 A structure diagram of the dust suction head of the ventilation device for highway tunnel is provided in the utility model.
[0032] Legend:
[0033] 1, pipeline; 2, axial flow fan; 3, suspension frame; 4, electromagnetic valve one; 5, water outlet pipe; 6, discharge pipe; 7, electromagnetic valve two; 8, vacuum pump; 9, supporting plate; 10, two-way pipe; 11, fixing screw; 12, fixed box; 13, water inlet pipe; 14, dust suction pipe; 15, dust suction head; 16, brush; 17, filter screen one; 18, rotating shaft; 19, hollow gear; 20, gear; 21, motor; 22, filter screen two. Specific implementation
[0034] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0035] Refer to Figures 1-7The utility model provides a kind of ventilation device for highway tunnel, including pipeline 1, the inside fixed connection of pipeline 1 has axial fan 2, mainly by axial fan 2 extraction exhaust gas, the inside fixed connection of pipeline 1 has filter screen one 17, filter screen one 17 can adsorb solid particles in exhaust gas, the middle rotatable connection of filter screen one 17 has shaft 18, one end fixed connection of shaft 18 close to filter screen one 17 has brush 16, brush 16 is mainly used to clean the solid particles adsorbed on filter screen one 17, another end fixed connection of shaft 18 has hollow gear 19, since only need to drive brush 16 rotation, so hollow gear 19 can be used, to reduce loss, the outside fixed connection of pipeline 1 has motor 21, the output fixed connection of motor 21 has gear 20, hollow gear 19 and gear 20 are engaged with each other, driving motor 21 can drive gear 20 and hollow gear 19 rotation, brush 16 rotates, brush 16 can clean waste on filter screen one 17, the inside fixed connection of pipeline 1 has dust suction pipe 14, one end fixed connection of dust suction pipe 14 far from pipeline 1 has two-way pipe 10, one end fixed connection of two-way pipe 10 far from dust suction pipe 14 has vacuum pump 8, waste residue cleaned by brush 16 can be extracted using vacuum pump 8, another end fixed connection of dust suction pipe 14 has dust suction head 15, dust suction head 15 is horn shape, can absorb larger area, the inside fixed connection of two-way pipe 10 has filter screen two 22, filter screen two 22 is fixedly connected at the input of vacuum pump 8, the bottom fixed connection of two-way pipe 10 has discharge pipe 6, the middle fixed connection of discharge pipe 6 has electromagnetic valve two 7, when using, vacuum pump 8 is opened, solid particles will be inhaled two-way pipe 10, open electromagnetic valve two 7, solid particle dust will be discharged from discharge pipe 6, while the other end of two-way pipe 10 is blocked by filter screen two 22, waste dust will not be inhaled into vacuum pump 8, exhaust gas sucked by axial fan 2 is filtered by filter screen one 17, solid particles are cleaned by brush 16, and then are extracted by vacuum pump 8;
[0036] Refer to Figures 1-5 The inside fixed connection of pipeline 1 has water inlet pipe 13, water inlet pipe 13 mainly introduces outside water source into pipe, sprays on filter screen one 17, can clean residual material that cannot be cleaned when dry, at this time, the operation of brush 16 is repeated, residual material adhered to filter screen one 17 is cleaned by the rotation of brush 16, the inside fixed connection of pipeline 1 has water outlet pipe 5, the middle fixed connection of water outlet pipe 5 has electromagnetic valve one 4, electromagnetic valve one 4 is mainly used to prevent gas from leaking through water outlet pipe 5 when normal gas is extracted, when water needs to be discharged, open electromagnetic valve one 4, waste water flows into water outlet pipe 5 along filter screen one 17 and is discharged;
[0037] Refer to Figures 1-5The outer side of the pipeline 1 is fixedly connected with a fixing box 12, a motor 21 and a gear 20 are installed inside the fixing box 12, the fixing box 12 can protect the motor 21 and the gear 20, the outer side of the pipeline 1 is fixedly connected with a supporting plate 9, the supporting plate 9 is used for fixing the vacuum pump 8, the vacuum pump 8 is installed on the top of the supporting plate 9, the outer side of the pipeline 1 is fixedly connected with a hanging rack 3, the hanging rack 3 is used for fixing the equipment on the inner wall of the tunnel, and the hanging rack 3 is internally provided with a fixing screw 11.
[0038] Working principle: first, the axial flow fan 2 can suck out the dirty air in the tunnel, after long-time work, solid particles will be attached to the filter screen 17, the filter screen 17 needs to be cleaned in time to prevent the mesh from being blocked, the driving motor 21 can drive the gear 20 to rotate, drive the hollow gear 19 to rotate, the rotating shaft 18 drives the brush 16 to rotate, the rotating brush 16 can scrape off the solid particles on the filter screen 17, then the driving vacuum pump 8 sucks the scraped solid particles into the dust collection head 15, the electromagnetic valve 7 is opened, the solid particles are blocked outside the filter screen 22, and are discharged through the discharge pipe 6, so that the solid particles in the tunnel can be cleaned, and the axial flow fan 2 behind is prevented from being damaged.
[0039] After being cleaned by the filter screen 17, the brush 16 and the vacuum pump 8, external water is introduced to the surface of the filter screen 17 through the water inlet pipe 13, the motor 21 is driven again to rotate the brush 16, the residual solid particles on the filter screen 17 are cleaned, then the electromagnetic valve 4 is opened, and the waste water is discharged through the water outlet pipe 5, so that the filter screen 17 is cleaned, and the filter screen 17 is prevented from being blocked.
[0040] Finally, it should be noted that: the above only describes preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims
1. A ventilation device for road tunnels comprising a duct (1), characterized in that: The inside of the pipeline (1) is fixedly connected with an axial flow fan (2), the inside of the pipeline (1) is fixedly connected with a filter screen one (17), the middle part of the filter screen one (17) is rotatably connected with a rotating shaft (18), one end of the rotating shaft (18) close to the filter screen one (17) is fixedly connected with a brush (16), the other end of the rotating shaft (18) is fixedly connected with a hollow gear (19), the outside of the pipeline (1) is fixedly connected with a motor (21), the output end of the motor (21) is fixedly connected with a gear (20), the hollow gear (19) and the gear (20) are mutually engaged.
2. A ventilation device for a highway tunnel according to claim 1, characterized in that: The inside of the pipeline (1) is fixedly connected with a dust suction pipe (14), one end of the dust suction pipe (14) away from the pipeline (1) is fixedly connected with a two-way pipe (10), one end of the two-way pipe (10) away from the dust suction pipe (14) is fixedly connected with a vacuum pump (8), the other end of the dust suction pipe (14) is fixedly connected with a dust suction head (15).
3. A ventilation device for a highway tunnel according to claim 1, characterized in that: The inside of the pipeline (1) is fixedly connected with a water inlet pipe (13), the inside of the pipeline (1) is fixedly connected with a water outlet pipe (5), the middle part of the water outlet pipe (5) is fixedly connected with a electromagnetic valve one (4).
4. A ventilation device for a highway tunnel according to claim 2, characterized in that: The inside of the two-way pipe (10) is fixedly connected with a filter screen two (22), the filter screen two (22) is fixedly connected with the input end of the vacuum pump (8).
5. A ventilation device for a highway tunnel according to claim 2, characterized in that: The bottom of the two-way pipe (10) is fixedly connected with a discharge pipe (6), the middle part of the discharge pipe (6) is fixedly connected with a electromagnetic valve two (7).
6. A ventilation device for a highway tunnel according to claim 1, characterized in that: The outside of the pipeline (1) is fixedly connected with a fixed box (12), the motor (21) and the gear (20) are installed in the inside of the fixed box (12).
7. A ventilation device for a highway tunnel according to claim 2, characterized in that: The outside of the pipeline (1) is fixedly connected with a supporting plate (9), the vacuum pump (8) is installed on the top of the supporting plate (9).
8. A ventilation device for a highway tunnel according to claim 1, characterized in that: The outside of the pipeline (1) is fixedly connected with a hanging rack (3), the inside of the hanging rack (3) is installed with a fixed screw (11).