Ventilation device for tunnel engineering

Abstract

The utility model discloses a ventilation device for tunnel engineering, which belongs to the field of tunnel engineering and comprises a tunnel, a plurality of ventilation pipelines are arranged at the top of the tunnel and communicated with a ventilation channel, and the ventilation channel is positioned on one side of the tunnel. The ventilation channel is connected with a cyclone dust removal mechanism, and the cyclone dust removal mechanism is located on the outer side of the mountain body; the ventilation pipeline comprises a first ventilation pipe fixedly arranged at the top of the tunnel through a supporting structure, second ventilation pipes are symmetrically arranged at one end of the first ventilation pipe, and the other end of the first ventilation pipe is connected with a first exhaust pipe and a second exhaust pipe. The other end of the second ventilation pipe is connected with a vertical pipeline and a bent pipeline in parallel, and air inlets are formed in the bottom of the vertical pipeline and the bottom of the bent pipeline. The other end of the first exhaust pipe and the other end of the second exhaust pipe are provided with air outlet pipelines, and ventilation fans are arranged on the first exhaust pipe and the second exhaust pipe respectively. The ventilation device for tunnel engineering is good in ventilation effect and capable of removing dust, improving the quality of air in a tunnel and guaranteeing the physical and psychological health of personnel.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tunnel engineering field especially relates to a tunnel engineering ventilation device. BACKGROUND

[0002] In the tunnel construction process, the operations such as blasting and excavation can produce a large amount of dust, smoke and harmful gases. If not discharged in time, these substances can pose a serious threat to the health of construction personnel. A good ventilation system can effectively remove these harmful substances and ensure the safety of construction personnel. In addition, for tunnels that have been put into operation, the ventilation system can remove the exhaust gas, dust and heat generated by vehicle traffic to prevent air quality from deteriorating and ensure driving safety and driver comfort. Therefore, ventilation for tunnel engineering not only concerns the health and safety of construction personnel, but also directly affects the driving safety and comfort of the tunnel, and is an indispensable important link in tunnel engineering. Based on this, the utility model provides a tunnel engineering ventilation device. SUMMARY

[0003] The utility model aims at providing a tunnel engineering ventilation device to solve the above-mentioned problems.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] The utility model relates to a tunnel engineering ventilation device, comprising a tunnel, a plurality of ventilation ducts are arranged on the top of the tunnel, the ventilation ducts are communicated with a ventilation channel, and the ventilation channel is located on one side of the tunnel; the ventilation channel is connected with a cyclone dust removal mechanism, and the cyclone dust removal mechanism is located on the outer side of the mountain;

[0006] The ventilation duct comprises a ventilation pipe one fixedly arranged on the top of the tunnel through a support structure, the ventilation pipe one is symmetrically provided with a ventilation pipe two at one end, and the other end is connected with a suction pipe one and a suction pipe two distributed on the same side; the other end of the ventilation pipe two is connected with a vertical pipe and a bent pipe side by side, and the bottom of the vertical pipe and the bent pipe is provided with an air inlet one; the other end of the suction pipe one and the suction pipe two is provided with an air outlet pipe, the air outlet pipe is communicated with the ventilation channel, and the ventilation fan is arranged on the suction pipe one and the suction pipe two respectively.

[0007] Further, the air inlet one is provided with a grille.

[0008] Further, the ventilation fan comprises a pipe, a motor is arranged on the inner central position of the pipe through a symmetrically distributed motor mounting bracket, a fan main body is fixedly arranged on the output end of the motor, and a plurality of fan blades are circumferentially distributed on the fan main body.

[0009] Further, the cyclone dust removal mechanism comprises a dust removal main body, an air inlet two is formed in one side position of the upper end of the dust removal main body and communicated with the ventilation channel, an air outlet is arranged at the top of the dust removal main body, and a dust outlet is arranged at the bottom of the dust removal main body.

[0010] Further, the air outlet is communicated with an air outlet pipe, and the air outlet pipe is communicated with the outside.

[0011] Further, the dust outlet is connected with a discharging pipe, and the outlet end of the discharging pipe is arranged in the dust collecting groove.

[0012] Further, the bent pipe is in inverted L-shaped structure.

[0013] Compared with the prior art, the beneficial technical effects of the utility model are:

[0014] The utility model discloses a ventilation device for tunnel engineering, which is characterized by the following: a plurality of ventilation pipes are installed on the top of the tunnel, air in the tunnel and impurities such as dust in the air are together introduced into the ventilation channel under the action of the ventilation fan, and then the clean air is directly discharged into the external air, and the dust is discharged from the discharging pipe and then collected and reused. In summary, the ventilation device for tunnel engineering has the advantages of good ventilation effect, dust removal, improved air quality in the tunnel and protection of the physical and mental health of personnel. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described in connection with the drawings.

[0016] Figure 1 It is the front view of the ventilation device for tunnel engineering of the utility model;

[0017] Figure 2 It is the structure schematic diagram of ventilation pipe;

[0018] Figure 3 It is the structure schematic diagram of ventilation fan;

[0019] Figure 4 It is the structure schematic diagram of cyclone dust removal mechanism;

[0020] Mark explanation: 1, tunnel; 2, ventilation pipe; 3, ventilation channel; 4, cyclone dust removal mechanism; 5, air outlet pipe; 6, discharging pipe; 7, ventilation fan;

[0021] 201, ventilation pipe one; 202, ventilation pipe two; 203, vertical pipe; 204, bent pipe; 205, air inlet one; 206, exhaust pipe one; 207, exhaust pipe two; 208, air outlet pipe;

[0022] 401, dust removal main body; 402, air inlet two; 403, dust outlet; 404, air outlet;

[0023] 701, pipeline; 702, fan main body; 703, fan blade; 704, motor; 705, motor mounting bracket. DETAILED DESCRIPTION

[0024] As Figures 1-4 shown, a ventilation device for tunnel engineering includes a tunnel 1, a plurality of ventilation pipelines 2 are installed on the top of the tunnel 1, the ventilation pipelines 2 are communicated with a ventilation channel 3, the ventilation channel 3 is located on one side of the tunnel 1. The ventilation channel 3 is connected with a cyclone dust removal mechanism 4, and the cyclone dust removal mechanism 4 is located on the outside of the mountain.

[0025] The ventilation pipeline 2 includes a ventilation pipe one 201 fixedly installed on the top of the tunnel 1 through a support structure, one end of the ventilation pipe one 201 is symmetrically provided with a ventilation pipe two 202, and the other end is connected with a same-side distributed air suction pipe one 206 and an air suction pipe two 207.

[0026] The other end of the ventilation pipe two 202 is connected with a vertical pipeline 203 and a bent pipeline 204 in parallel, the bent pipeline 204 is a reverse L-shaped structure, and the bottom of the vertical pipeline 203 and the bent pipeline 204 is provided with an air inlet one 205; a grille is installed at the air inlet one 205. In this way, the distance between the air inlets one 205 can be pulled apart, and the air inlets are arranged at equal intervals, improving the uniformity of air circulation in the tunnel 1 and avoiding the problem of dead angle circulation. The grille can also block larger impurities such as leaves from entering the ventilation pipeline 2, avoiding pipeline blockage and affecting ventilation quality.

[0027] The other end of the air suction pipe one 206 and the air suction pipe two 207 is provided with an air outlet pipeline 208, the air outlet pipeline 208 is communicated with the ventilation channel 3, and all the air is collected together and then uniformly treated. Ventilation fans 7 are installed on the air suction pipe one 206 and the air suction pipe two 207 respectively, for realizing air circulation.

[0028] The ventilation fan 7 includes a pipeline 701, a motor 704 is installed on the inside center position of the pipeline 701 through a symmetrically distributed motor mounting bracket 705, a fan main body 702 is fixedly installed on the output end of the motor 704, and a plurality of fan blades 703 are circumferentially distributed on the fan main body 702.

[0029] The cyclone dust removal mechanism 4 comprises a dust removal main body 401, an air inlet two 402 is formed on one side of the upper end of the dust removal main body 401 and is communicated with the ventilation channel 3, an air outlet 404 is installed on the top of the dust removal main body 401, and a dust outlet 403 is installed on the bottom of the dust removal main body 401. The air outlet 404 is communicated with an air outlet pipe 5, and the air outlet pipe 5 is communicated with the outside. The dust outlet 403 is connected with a discharging pipe 6, and the outlet end of the discharging pipe 6 is installed in a dust collecting groove.

[0030] The action process of the utility model is as follows:

[0031] Firstly, the motor 704 is started, air in the tunnel is rotated along with the fan blade 703 and is pushed in the axial direction, after the air is pushed out, local low pressure is formed, air in the tunnel 1 is promoted to enter the ventilation pipe two 202 and the ventilation pipe one 201 from the air inlet one 205, after the air pressure is increased by the fan blade 703, the air is discharged from the air outlet pipe 208 and enters the ventilation channel 3; then, the air passes through the cyclone dust removal mechanism 4 in the ventilation pipe 3, under the action of centrifugal force, dust particles are pushed to the wall of the dust remover main body 401, the dust particles fall into the dust outlet 403 on the wall under the action of gravity, and the purified gas is rotated upward and discharged from the air outlet 404; finally, the dust particles are collected and reused through the discharging pipe 6, and the purified gas is discharged into the outside of the tunnel 1 through the air outlet pipe 5.

[0032] The above-described embodiments only describe the preferred modes of the utility model, and do not limit the scope of the utility model, and various deformations and improvements of the technical scheme of the utility model made by the ordinary skilled in the art without departing from the design spirit of the utility model should fall within the protection scope determined by the claim book of the utility model.

Claims

1. A ventilation device for tunnel engineering, characterized in that: Including tunnel (1), the top of tunnel (1) is provided with several ventilation ducts (2), ventilation duct (2) is communicated with ventilation channel (3), ventilation channel (3) is located on the side of tunnel (1) position;Ventilation channel (3) is connected with cyclone dust removal mechanism (4), and cyclone dust removal mechanism (4) is located on the outside of mountain position; Ventilation duct (2) includes ventilation pipe one (201) fixedly arranged on the top of tunnel (1) by support structure, one end of ventilation pipe one (201) is symmetrically provided with ventilation pipe two (202), the other end is connected with the same side distributed suction pipe one (206) and suction pipe two (207);The other end of ventilation pipe two (202) is connected with vertical duct (203) and elbow duct (204) side by side, the bottom of vertical duct (203) and elbow duct (204) is provided with air inlet one (205);The other end of suction pipe one (206) and suction pipe two (207) is provided with air outlet duct (208), air outlet duct (208) is communicated with ventilation channel (3), and suction pipe one (206) and suction pipe two (207) are respectively provided with ventilation fan (7).

2. The tunnel engineering ventilation device according to claim 1, characterized in that: Air inlet one (205) is provided with grating.

3. The tunnel engineering ventilation device according to claim 1, characterized in that: Ventilation fan (7) includes duct (701), the inside center position of duct (701) is provided with motor (704) by symmetrically distributed motor mounting bracket (705), the output end of motor (704) is fixedly provided with fan body (702), and a plurality of fan blades (703) are circumferentially distributed on fan body (702).

4. The tunnel engineering ventilation device according to claim 1, characterized in that: Cyclone dust removal mechanism (4) includes dust removal main body (401), the upper end of dust removal main body (401) is provided with air inlet two (402) on one side position, air inlet two (402) is communicated with ventilation channel (3), the top of dust removal main body (401) is provided with air outlet (404), and the bottom of dust removal main body (401) is provided with dust outlet (403).

5. The tunnel engineering ventilation device according to claim 4, characterized in that: Air outlet (404) is communicated with air outlet pipe (5), and air outlet pipe (5) is communicated with the outside.

6. The tunnel engineering ventilation device according to claim 4, characterized in that: Dust outlet (403) is connected with discharging pipe (6), and the outlet end of discharging pipe (6) is arranged in dust collecting groove.

7. The tunnel engineering ventilation device according to claim 1, characterized in that: Elbow duct (204) is inverted L type structure.

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