CN215170026U - City tunnel ventilation structure - Google Patents

Abstract

The utility model belongs to the technical field of tunnel ventilation, in particular to a city tunnel ventilation structure, which comprises a tunnel, wherein the top of the tunnel is provided with a double-layer arched roof, the double-layer arched roof comprises an inner layer roof and an outer layer roof, an air inlet channel is arranged in the inner layer roof, an exhaust channel is arranged in the outer layer roof, an air cavity is also arranged in the inner layer roof at the bottom of the air inlet channel, an air blowing fan is fixedly arranged in the inner cavity of the air inlet channel, and the air blowing fan is used for sucking external fresh air into the air cavity; the air blowing fan can be with outside fresh air suction to the wind cavity, discharges in to the tunnel through the hole of blowing, and the air exhauster can pass through the recess with the inside tail gas in tunnel, ventilate the chamber and pump to exhaust passage, and this ventilation structure can save air pipe's use, has the advantage that can effectively reduce the laying cost of ventilation structure, and this ventilation structure can be quick is the contaminated air exhaust tunnel, and air purification efficiency is high.

Description

City tunnel ventilation structure

Technical Field

The utility model belongs to the technical field of the tunnel ventilation, concretely relates to city tunnel ventilation structure.

Background

In the tunnel, the vehicle that traveles can constantly discharge harmful waste gas and smoke and dust, will bring the harm to the driver when harmful waste gas and the smoke and dust concentration of discharging surpass a definite value, influence health and driving safety, form safe prerequisite when consequently keeping good air condition in the tunnel, and tunnel ventilation structure can reduce harmful gas or pollutant in the tunnel to below the allowable concentration to guarantee security and the travelling comfort that the car traveles.

SUMMERY OF THE UTILITY MODEL

Present ventilation structure can only be inside the leading-in tunnel of external air, but inside contaminated air is difficult to quick discharge, and is not enough to the purification degree of air, therefore people now often can utilize the fan to ventilate taking a breath to the tunnel inside, can discharge the contaminated air of tunnel inside fast, but all need the air pipe of cooperation installation air pipe transport fresh air and polluted air at present, need a large amount of air pipes. The utility model provides a city tunnel ventilation structure, this ventilation structure can be quick the contaminated air exhaust tunnel, and air purification is efficient, and air pipe's use can be saved to this ventilation structure, has the advantage that can effectively reduce laying the cost of ventilation structure.

The utility model provides a following technical scheme: the utility model provides a city tunnel ventilation structure, includes the tunnel, the tunnel top is equipped with double-deck arch top, double-deck arch top includes inlayer top and outer roof, the inside inlet channel of having seted up on inlayer top, exhaust passage has been seted up to outer roof inside, is located the wind chamber has still been seted up to the inlayer top inside of inlet channel bottom, inlet channel inner chamber fixed mounting has the fan of blowing, the fan of blowing is used for with outside fresh air suction extremely the wind intracavity, the symmetry is seted up flutedly on the both sides wall in tunnel, the both sides wall inside of tunnel has seted up the chamber of ventilating, just the chamber way that is linked together with the chamber of ventilating, exhaust passage respectively is seted up to outer roof inside, is being close to the chamber inner chamber fixed mounting that ventilates of recess one side has the air exhauster, the air exhauster is used for drawing the inside tail gas in tunnel to exhaust passage.

Wherein, the wall surface of the top bottom of the inner layer is evenly provided with air blowing holes communicated with the air cavity.

Wherein, the air outlet of the air blowing fan penetrates into the air cavity.

Wherein the groove is in communication with a vent lumen.

And the inner cavity of the groove is fixedly embedded with a dust guard and is positioned on one side of the exhaust fan.

Wherein, a groove cover is fixedly embedded at the groove opening of the groove.

Wherein, the ventilation cavity is an L-shaped cavity.

The blowing fan is installed in the inner cavity of the air inlet channel through a mounting seat, and the exhaust fan is installed in the inner cavity of the ventilation cavity through a mounting bracket.

The utility model has the advantages that:

1. through the setting on double-deck arch top, the fan of blowing can be with outside fresh air suction to the wind cavity, discharge in to the tunnel through the hole of blowing, exhaust air can blow to the road bed in tunnel, can blow the dust on the road bed in the recess, through the setting of dust guard, can filter the recess inner chamber with the dust, the air exhauster can pass through the recess with the inside tail gas in tunnel, ventilate the chamber and pump to exhaust passage, air pipe's use can be saved to this ventilation structure, has the advantage that can effectively reduce the laying cost of ventilation structure, this ventilation structure can be quick tunnel of discharging contaminated air, and air purification efficiency is high.

2. Through setting up the air blowing fan, the air blowing fan not only can ventilate in outside fresh air suction to the tunnel, and the wind that the air blowing fan blew out moreover can blow automobile exhaust, dust etc. to tunnel bottom both sides from the hole of blowing, and the automobile exhaust of being convenient for, the discharge of dust, through setting up the air exhauster, the air exhauster can be quick inhale exhaust passage to automobile exhaust, dust etc. and then can take out automobile exhaust, dust etc. from the tunnel is inside, and air purification is efficient.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a cross-sectional view of the inner roof of the present invention;

fig. 4 is an enlarged view of the structure of the present invention a.

In the figure: 1. a tunnel; 2. a double-layer arched roof; 21. inner layer top; 211. an air intake passage; 212. a wind cavity; 213. a gas blowing hole; 22. outer layer top; 221. an exhaust passage; 222. a lumen; 3. a blowing fan; 4. a groove; 41. a dust-proof plate; 42. a slot cover; 5. a vent lumen; 6. an exhaust fan.

Detailed Description

Referring to fig. 1-4, the present invention provides the following technical solutions: a city tunnel ventilation structure comprises a tunnel 1, a double-layer arched roof 2 is arranged at the top of the tunnel 1, the double-layer arched roof 2 comprises an inner layer roof 21 and an outer layer roof 22, an air inlet channel 211 is arranged in the inner layer roof 21, an air outlet channel 221 is arranged in the outer layer roof 22, an air cavity 212 is also arranged in the inner layer roof 21 at the bottom of the air inlet channel 211, an air blowing fan 3 is fixedly arranged in the inner cavity of the air inlet channel 211, the air blowing fan 3 is used for sucking external fresh air into the air cavity 212, grooves 4 are symmetrically arranged on two side walls of the tunnel 1, air ventilation cavities 5 are arranged in the two side walls of the tunnel 1, and the inner part of the outer layer top 22 is provided with a cavity channel 222 respectively communicated with the ventilation cavity 5 and the exhaust channel 221, an exhaust fan 6 is fixedly installed in the inner cavity of the ventilation cavity 5 close to one side of the groove 4, and the exhaust fan 6 is used for pumping the tail gas in the tunnel 1 to the exhaust channel 221.

In this embodiment: through the arrangement of the double-layer arched top 2, the blowing fan 3 can suck external fresh air into the air cavity 212, the air is discharged into the tunnel 1 through the blowing hole 213, the discharged air can be blown onto the roadbed of the tunnel 1, dust on the roadbed can be blown into the groove 4, the dust can be filtered into the inner cavity of the groove 4 through the arrangement of the dustproof plate 41, the exhaust fan 6 can suck tail gas in the tunnel 1 into the exhaust channel 221 through the groove 4 and the ventilation cavity 5, the ventilation structure can omit the use of a ventilation pipeline, and has the advantage of effectively reducing the layout cost of the ventilation structure, the ventilation structure can quickly discharge polluted air out of the tunnel 1, the air purification efficiency is high, through the arrangement of the blowing fan 3, the blowing fan 3 can suck external fresh air into the tunnel 1 for ventilation, and the air blown out of the blowing fan 3 can blow out automobile tail gas from the blowing hole 213, The dust etc. blow to tunnel 1 bottom both sides, the discharge of automobile exhaust, dust of being convenient for, through setting up air exhauster 6, air exhauster 6 can be quick inhale exhaust passage 221 to automobile exhaust, dust etc. and then can take out automobile exhaust, dust etc. from tunnel 1 inside, and air purification is efficient.

The wall surface at the bottom of the inner roof 21 is uniformly provided with air blowing holes 213 communicated with the air cavity 212; blowing fan 3 can be with outside fresh air suction to wind chamber 212 in, discharges in to tunnel 1 through gas hole 213, and the exhaust air can be blown to the road bed of tunnel 1 on, can blow the dust on the road bed to the recess 4 in, and the staff only needs to dismantle the dust that gets off in recess 4 with capping 42 from recess 4 and can clear up the recess 4.

An air outlet of the blowing fan 3 penetrates into the air cavity 212; the blowing fan 3 can draw in external fresh air into the air cavity 212, and the fresh air is discharged into the tunnel 1 through the blowing holes 213 to ventilate the tunnel 1.

The groove 4 is communicated with the ventilation cavity 5; exhaust fan 6 can pass through recess 4, ventilate chamber 5 with the inside tail gas in tunnel 1 and pump to exhaust passage 221, can effectively take out automobile exhaust, dust etc. in tunnel 1 from tunnel 1 is inside, and air purification is efficient.

A dust guard 41 is fixedly embedded in the inner cavity of the groove 4 and is positioned on one side of the exhaust fan 6; through the setting of dust guard 41, can filter the dust to the recess 4 inner chamber, the staff only needs to dismantle capping 42 from recess 4 and can clear up the dust in the recess 4.

A groove cover 42 is fixedly embedded at the notch of the groove 4; the groove cover 42 can protect the groove 4 and prevent floating garbage from entering the groove 4.

The ventilation cavity 5 is an L-shaped cavity; exhaust fan 6 can pass through recess 4, ventilate chamber 5 with the inside tail gas in tunnel 1 and pump to exhaust passage 221, ventilate setting up of chamber 5 and can effectively save laying of breather pipe, practice thrift the laying cost of ventilation structure, still do not need the later stage to overhaul like this simultaneously.

The blowing fan 3 is arranged in the inner cavity of the air inlet channel 211 through a mounting seat, and the exhaust fan 6 is arranged in the inner cavity of the ventilation cavity 5 through a mounting bracket; through setting up air blowing fan 3, air blowing fan 3 not only can carry out ventilation to outside fresh air suction to tunnel 1 in, and the wind that air blowing fan 3 blew out can be automobile exhaust from blowing hole 213, dust etc. blow to tunnel 1 bottom both sides, the automobile exhaust of being convenient for, the discharge of dust, through setting up air exhauster 6, automobile exhaust can be quick to air exhauster 6, suction exhaust passage 221 such as dust, and then can be automobile exhaust, dust etc. take out from tunnel 1 is inside, air purification is efficient.

The utility model discloses a theory of operation and use flow: through the arrangement of the double-layer arched top 2, the blowing fan 3 is arranged, the blowing fan 3 can not only suck outside fresh air into the tunnel 1 for ventilation, but also blow automobile exhaust, dust and the like out of the blowing hole 213, so that the automobile exhaust and the dust can be conveniently discharged, the blowing fan 3 can suck the outside fresh air into the air cavity 212, the air is discharged into the tunnel 1 through the blowing hole 213, the discharged air can be blown to the roadbed of the tunnel 1, the dust on the roadbed can be blown into the groove 4, a worker can clean the dust in the groove 4 by detaching the slot cover 42 from the groove 4, the dust can be filtered into the inner cavity of the groove 4 through the arrangement of the dust guard plate 41, and the exhaust fan 6 can quickly suck the automobile exhaust, the dust and the like into the exhaust passage 221, and then can take automobile exhaust, dust etc. out from tunnel 1 is inside, and air purification is efficient, and air exhauster 6 can pass through recess 4 with tunnel 1 inside tail gas, ventilate chamber 5 and pump out to exhaust passage 221, and this ventilation structure can save ventilation pipe's use, has the advantage that can effectively reduce ventilation structure's the cost of laying, and this ventilation structure can be quick tunnel 1 is discharged to contaminated air, and air purification is efficient.

Claims (8)

1. The utility model provides an urban tunnel ventilation structure which characterized in that: the tunnel comprises a tunnel, the tunnel top is equipped with double-deck arch top, double-deck arch top includes inlayer top and outer roof, the inside inlet channel that has seted up in inlayer top, exhaust passage has been seted up to outer roof inside, is located the wind chamber has still been seted up to the inlayer top of inlet channel bottom, inlet channel inner chamber fixed mounting has the fan of blowing, the fan of blowing is used for with outside fresh air suction extremely in the wind chamber, the symmetry is seted up flutedly on the both sides wall in tunnel, the inside chamber of ventilating of having seted up of both sides wall in tunnel, just the inside chamber way of being linked together with the chamber of ventilating, exhaust passage respectively of seting up in outer roof is being close to the chamber inner chamber fixed mounting that ventilates of recess one side has the air exhauster, the air exhauster is used for pumping the inside tail gas in tunnel to exhaust passage.

2. The urban tunnel ventilation structure according to claim 1, characterized in that: and air blowing holes communicated with the air cavity are uniformly formed in the wall surface of the top and bottom of the inner layer.

3. The urban tunnel ventilation structure according to claim 1, characterized in that: and an air outlet of the blowing fan penetrates into the air cavity.

4. The urban tunnel ventilation structure according to claim 1, characterized in that: the groove is communicated with the vent cavity.

5. The urban tunnel ventilation structure according to claim 1, characterized in that: the inner cavity of the groove is fixedly embedded with a dust guard and is positioned on one side of the exhaust fan.

6. The urban tunnel ventilation structure according to claim 1, characterized in that: and a groove cover is fixedly embedded at the groove opening of the groove.

7. The urban tunnel ventilation structure according to claim 1, characterized in that: the ventilation cavity is an L-shaped cavity.

8. The urban tunnel ventilation structure according to claim 1, characterized in that: the blowing fan is installed in the inner cavity of the air inlet channel through a mounting seat, and the exhaust fan is installed in the inner cavity of the ventilation cavity through a mounting bracket.

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