A ventilation device for a bridge and tunnel

Abstract

The utility model is a ventilation device for a bridge tunnel, which relates to the technical field of bridge engineering, and includes a ventilation pipe, which is arranged along the length direction of the tunnel; a plurality of ventilation pipes, each of which includes an arc-shaped pipe and two ventilation piles arranged along the arc-shaped top of the tunnel, the two ventilation piles are respectively connected to the two ends of the arc-shaped pipe, and the arc-shaped pipe is connected to the ventilation pipe; a dust removal and filtering mechanism is arranged at the air outlet end of the ventilation pipe, and the filtering mechanism includes a filter box, and a filter plate, a reciprocating dust collection component and a water washing component arranged inside the filter box, and the reciprocating dust collection component is slidably arranged on the filter plate to clean and filter the deposited solid particles. It improves ventilation efficiency, purifies air, cleans the filter system, provides additional filtering protection, and improves filtering efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge engineering, in particular to a bridge tunnel ventilation device. Background Art

[0002] Bridge tunnels are used as vehicle passages to solve the problem of vehicles on the ground needing to bypass mountains. The main structure of the tunnel consists of a tunnel body and a portal.

[0003] Since bridge tunnels have only two entrances, a large amount of exhaust and other harmful gases emitted by vehicles during driving will fill the tunnel, which will seriously endanger the health of people in the tunnel. Therefore, the tunnel needs to be ventilated. The traditional ventilation device is fixedly installed on the top of the tunnel as a horizontal structure, and cannot effectively perform air intake and exhaust ventilation at multiple angles in the tunnel. In addition, the exhaust gas content in the rear section of the tunnel will increase during the ventilation process, which will affect the health of people in the tunnel. Therefore, the exhaust gas needs to be treated during ventilation. However, the ventilation device after treatment is difficult to clean, which greatly increases the labor intensity of maintenance personnel. Utility Model Content

[0004] In order to overcome the disadvantages of the above-mentioned prior art that the concentration of harmful gases on both sides of the tunnel entrance is low while that inside the tunnel is high, the main purpose of the utility model is to provide a bridge tunnel ventilation device.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a bridge tunnel ventilation device, including a ventilation pipe, which is arranged along the length direction of the tunnel; a plurality of ventilation pipes, each of which includes an arc-shaped pipe and two ventilation piles arranged along the arc-shaped top of the tunnel, the two ventilation piles are respectively connected to the two ends of the arc-shaped pipe, and the arc-shaped pipe is connected to the ventilation pipe; a dust removal and filtering mechanism is arranged at the air outlet end of the ventilation pipe, the filtering mechanism includes a filter box, and a filter plate, a reciprocating dust collecting assembly and a water washing assembly arranged therein, the reciprocating dust collecting assembly is slidably arranged on the filter plate to clean and filter the deposited solid particles.

[0006] A reciprocating linear drive member is provided at two opposite ends of the filter plate;

[0007] A roller brush, both ends of which are respectively connected to a reciprocating linear driving member;

[0008] The collecting and draining pipe has two ends respectively mounted on the reciprocating linear driving member and is located above the roller brush and is connected to the vacuum cleaner arranged in the filter box.

[0009] Reciprocating linear drive

[0010] Two slide rails are fixed on both sides of the inner wall of the filter box;

[0011] Two connecting grooves are respectively fixed on both sides of the filter plate and slidably connected to the slide rails on the same side;

[0012] The forward and reverse motors are fixed in a connecting slot;

[0013] Two driving gears are rotatably arranged in the connecting slot body through a rotating shaft, and the forward and reverse motors are drivingly connected with the motor shafts of the driving gears in the connecting slot body;

[0014] The racks are respectively arranged at the bottom of the two slide rails and are respectively meshed with the driving gears on the same side.

[0015] The water washing components include:

[0016] A water washing tank is provided in the filter box and has a cleaning liquid inside;

[0017] One end of the air supply pipe is connected to the filter plate, and the other end is immersed below the liquid surface.

[0018] It also includes a secondary filter plate which is detachably arranged at the air outlet end of the filter box.

[0019] It also includes a secondary filter plate which is detachably arranged at the air outlet end of the filter box.

[0020] The secondary filter plate is a double-layer filter layer, one filter layer is a bamboo charcoal layer, and the other is a fiber adsorption layer.

[0021] The filter plate is provided with an upper and lower filter plate, the aperture of the upper layer is larger than the aperture of the lower layer, and the upper and lower filter plates are made of electrostatic negative electrode air filter materials.

[0022] Compared with the prior art, the utility model can set ventilation pipes and ventilation pipes: by setting ventilation pipes along the length of the tunnel and multiple arc ventilation pipes on the ventilation pipes, the air flow in all directions in the tunnel is effectively guided, the ventilation device absorbs a large amount of gas in the tunnel and discharges it, and the structural characteristics of the tunnel ventilate the gas in the tunnel and filter it through the filter box, and send fresh air into the tunnel. The filter box is equipped with a filter plate, a reciprocating dust collection component and a water washing component, which can clean and filter the deposited solid particles and improve the air quality. The reciprocating dust collection component design adopts a reciprocating linear drive, a roller brush and a dust collection pipe to effectively clean the deposited particles on the filter plate. The water washing component can clean the filter plate and maintain a clean filtering state. It can be optionally installed at the outlet end of the filter box to provide additional filtering protection and ensure higher air quality. The secondary filter plate adopts a double-layer filter layer, one layer is a bamboo charcoal layer, and the other layer is a fiber adsorption layer, which provides a more effective filtering effect. And the upper and lower filter plates of the filter plate, the upper layer aperture is larger than the lower layer aperture, and is made of electrostatic negative air filter material to improve the filtering efficiency. Improve ventilation efficiency, purify air, clean filter systems, provide additional filter protection, and increase filter efficiency, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1It is a schematic diagram of the assembly structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the utility model when viewed from above;

[0025] Figure 3 It is a schematic cross-sectional structure diagram of the dust removal and filtering mechanism of the utility model. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0027] Example:

[0028] See also Figure 1-3 The utility model adopts the following technical scheme: a bridge tunnel ventilation device comprises a plurality of ventilation pipes 2, each ventilation pipe comprises an arc-shaped pipe 2-1 and two ventilation piles 2-2 arranged along the arc-shaped top of the tunnel, a ventilation pipe 1 is arranged along the length direction of the tunnel, the ventilation piles 2-2 are respectively connected with the two ends of the arc-shaped pipe 2-1, and the two arc-shaped pipes 2-1 on the same cross section are connected with the ventilation pipe 1, the collected and processed gas is sent into the tunnel through the ventilation pipe 1, and the air in the tunnel is collected and sent into through the ventilation pipe 1, a plurality of air pumps, including a ventilation pump and an air suction pump, the ventilation pump and the air suction pump are arranged at intervals in the ventilation pipe 1, the arc-shaped pipe 2-1 and the ventilation pipe 1 are respectively connected with the air suction pump through the ventilation pump; a dust removal and filtering mechanism 3 is arranged at the air outlet end of the ventilation pipe 1, the filtering mechanism comprises a filter box 3-1, and a filter plate 3-2, a reciprocating dust collecting component 3-3 and a water washing component 3-4 arranged therein, the reciprocating dust collecting component 3-3 is slidably arranged on the filter plate 3-2 to clean and filter the deposited solid particles.

[0029] In order to achieve effective reciprocating dust removal processing, the reciprocating dust collecting component 3-3 includes a reciprocating linear driving member 3-3-1, which is arranged on the opposite ends of the filter plate 3-2; a roller brush 3-3-2, whose two ends are respectively connected to the reciprocating linear driving member 3-3-1; a dust collecting exhaust pipe 3-3-3, whose two ends are respectively mounted on the reciprocating linear driving member 3-3-1 and are located above the roller brush 3-3-2, and are connected to the vacuum cleaner arranged in the filter box 3-1.

[0030] The reciprocating linear drive member 3-3 comprises two slide rails fixedly arranged on both sides of the inner wall of the filter box 3-1; two connecting grooves 3-3-1-1, respectively fixedly arranged on both sides of the filter plate 3-2, and slidably connected with the slide rails on the same side; a forward and reverse motor 3-3-1-2, fixedly arranged in a connecting groove 3-3-1-1; two driving gears 3-3-1-4, which are rotatably arranged in the connecting groove 3-3-1-1 through a rotating shaft, and the forward and reverse motor 3-3-1-2 is connected to the motor shaft of the driving gear 3-3-1-4 in the connecting groove 3-3-1-1, and the belt 3-3-1-3 passes around the two rotating shafts respectively; 3-3-1-5, respectively arranged at the bottom of the track of the two slide rails, and respectively meshed with the driving gear 3-3-1-4 on the same side.

[0031] The water washing component 3-4 includes a water washing tank 3-4-1, which is arranged in the filter box 3-1 and has a cleaning liquid inside; an air supply pipe 3-4-2, one end of which is connected to the filter plate 3-2 and the other end is submerged below the liquid surface.

[0032] In order to achieve better process effects, a secondary filter plate is also included, which is detachably arranged at the air outlet end of the filter box 3-1.

[0033] The secondary filter plate is a double-layer filter layer, one filter layer is a bamboo charcoal layer, and the other is a fiber adsorption layer.

[0034] The filter plate 3-2 is provided with an upper and lower filter plate, the aperture of the upper layer is larger than the aperture of the lower layer, and the upper and lower filter plates are made of electrostatic electret air filter materials.

[0035] The basic working principle of the bridge tunnel ventilation device of the utility model is as follows: when the ventilation device is working, external fresh air enters the ventilation pipe through the ventilation pipe, and then enters the interior of the tunnel through the filter box.

[0036] Over time, solid particles accumulate on the filter plate, affecting the ventilation effect. To this end, the reciprocating dust collection component uses a reciprocating linear drive to drive a roller brush to clean the sediment on the filter plate. When the roller brush moves, the particles deposited on the filter plate are pushed into the dust collection pipe and then discharged through the vacuum cleaner. At the same time, the water washing component cleans the filter plate with the cleaning liquid in the water washing tank to ensure the long-term and effective operation of the ventilation device. Finally, the secondary filter plate at the outlet of the ventilation device plays a role in further filtering and purifying the air, and the bamboo charcoal layer and fiber adsorption layer can absorb odors and harmful gases in the air. With this design, the ventilation device can continuously provide clean and fresh air, while effectively removing dust and filtering particles and pollutants in the air, ensuring the air quality in the tunnel and improving driving safety.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] The above embodiments are merely examples of the present invention and do not limit the protection scope of the present invention. All designs that are the same or similar to the present invention fall within the protection scope of the present invention.

Claims

1. A bridge tunnel ventilation device, characterized in that: include: A ventilation pipe (1) is arranged along the length direction of the tunnel; A plurality of ventilation pipes (2), each of the ventilation pipes comprising an arc-shaped pipe (2-1) arranged along the arc-shaped top of the tunnel and two ventilation piles (2-2), the two ventilation piles (2-2) being respectively connected to two ends of the arc-shaped pipe (2-1); A plurality of air pumps, including an air exchange pump and an air suction pump, wherein the air exchange pump and the air suction pump are arranged at intervals in the ventilation pipe (1), and the arc tube (2-1) and the ventilation pipe (1) are respectively connected through the air exchange pump and the air suction pump; A dust removal and filtering mechanism (3) is arranged at the air outlet end of the ventilation pipe (1), and the filtering mechanism comprises a filter box (3-1), a filter plate (3-2) arranged inside the filter box, a reciprocating dust collecting component (3-3) and a water washing component (3-4), wherein the reciprocating dust collecting component (3-3) is slidably arranged on the filter plate (3-2) to clean and filter the deposited solid particles.

2. A bridge tunnel ventilation device according to claim 1, characterized in that: The reciprocating dust collecting component (3-3) comprises: A reciprocating linear driving member (3-3-1) is arranged on two opposite ends of the filter plate (3-2); A roller brush (3-3-2), both ends of which are respectively connected to the reciprocating linear driving member (3-3-1); The dust collecting and draining pipe (3-3-3) has two ends respectively mounted on the reciprocating linear driving member (3-3-1), is located above the roller brush (3-3-2), and is connected to a dust collector arranged in the filter box (3-1).

3. A bridge tunnel ventilation device according to claim 2, characterized in that: The reciprocating linear drive member (3-3-1) Two slide rails are fixedly arranged on two sides of the inner wall of the filter box (3-1); Two connecting grooves (3-3-1-1) are respectively fixed on both sides of the filter plate (3-2) and are slidably connected to the slide rail on the same side; A forward and reverse motor (3-3-1-2) is fixedly arranged in one of the connecting slots (3-3-1-1); Two driving gears (3-3-1-4) are rotatably arranged in the connecting slot body (3-3-1-1) via a rotating shaft, and the forward and reverse motor (3-3-1-2) is drivingly connected to the motor shaft of the driving gear (3-3-1-4) in the connecting slot body (3-3-1-1); A belt (3-3-1-3) is wound around the two rotating shafts respectively; The two racks (3-3-1-5) are respectively arranged at the bottom of the two slide rails and are respectively meshed with the driving gear (3-3-1-4) on the same side.

4. A bridge tunnel ventilation device according to claim 1, characterized in that: The water washing component (3-4) comprises: A water washing tank (3-4-1) is arranged in the filter box (3-1) and contains a cleaning liquid; An air supply pipe (3-4-2) has one end connected to the filter plate (3-2) and the other end submerged below the liquid surface.

5. The bridge tunnel ventilation device according to claim 1, characterized in that: It also comprises a secondary filter plate which is detachably arranged at the air outlet end of the filter box (3-1).

6. A bridge tunnel ventilation device according to claim 5, characterized in that: The secondary filter plate is a double-layer filter layer, one filter layer is a bamboo charcoal layer, and the other is a fiber adsorption layer.

7. A bridge tunnel ventilation device according to claim 1, characterized in that: The filter plate (3-2) is provided with an upper and lower filter plate, the aperture of the upper layer is larger than the aperture of the lower layer, and the upper and lower filter plates are made of electrostatic electret air filter material.

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