CN102828765A - Urban tunnel pollution discharge structure with fan room and a plurality of low booths - Google Patents
Urban tunnel pollution discharge structure with fan room and a plurality of low booths Download PDFInfo
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- CN102828765A CN102828765A CN2012102505872A CN201210250587A CN102828765A CN 102828765 A CN102828765 A CN 102828765A CN 2012102505872 A CN2012102505872 A CN 2012102505872A CN 201210250587 A CN201210250587 A CN 201210250587A CN 102828765 A CN102828765 A CN 102828765A
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Abstract
The invention provides an urban tunnel pollution discharge structure with a fan room and a plurality of low booths. The urban tunnel pollution discharge structure comprises an urban tunnel, and is characterized in that a communicating air channel is arranged close to the outlet end of the tunnel, and is internally provided with the fan room; the air inlet end of the fan room is communicated with the tunnel; an air exhausting duct is arranged at the air outlet end of the fan room; a plurality of air outlets connected to the ground are arranged at the top or on the side face of the air exhausting duct; and a low booth is arranged at the ground outlet end of each air outlet. According to the urban tunnel sewage draining structure provided by the invention, the current way of discharging the pollutants through a wind tower at a high altitude is replaced via the way of discharging the pollutants through a plurality of low booths in a dispersion manner; and fewer pollutants are discharged from each low booth, so that the quality of the ambient air can be ensured, and the aesthetics of surrounding buildings cannot be influenced. The length of the air exhausting duct, the number of the low booths and the spacing among the low booths can be determined based on the comprehensive factors such as the total amount of the pollutants in the tunnel, the mechanical ventilating rate and the ground sensitivity degree; and the urban tunnel pollution discharge structure is simple, low in cost and high in practicability.
Description
Technical field
The present invention relates to field, urban traffic tunnel, specifically be meant a kind of city tunnel pollution discharge structure with Ventilator Room and a plurality of low wind booths.
Background technology
Along with the fast development of urban economy, it is outstanding that traffic problems more show, and for alleviating or effectively solving serious day by day urban transport problems, builds the urban traffic tunnel presents sharp increase in countries in the world trend.The urban traffic tunnel is to reducing the urban road land used, shorten mileage, dredge urban traffic and play a positive role, but also faces the discharging difficult problem of tunnel internal contamination air.
Because the tunnel face places the main block of down town mostly, if arrange unreasonable, not in addition planning of science activities and disposal, the current main pollutant component that is discharged is CO and NO to vehicle along the tunnel
XWaste gas, concentrate discharging from tunnel exit under the piston wind action that can in the vehicle ' process, form, cause tunnel exit near pollutant levels exceed standard, thereby influence near the air quality of tunnel exit.
The discharging of city tunnel internal contamination thing has three kinds of modes usually: discharging is concentrated at the hole, the empty discharging of wind tower height, and a plurality of natural ventilation mouths disperse discharging.The hole concentrates discharging to be applicable to that mainly tunnel exit does not have the short tunnel of environment sensitizing range.When the hole periphery is had relatively high expectations to ambient air quality; For satisfying the environmental requirement of tunnel exit pollutant emission; Near generally being employed in tunnel exit the integrated air exhaust tower is set, most of waste gas in the tunnel is discharged through the wind tower height is empty, thereby reduce pollution near the environment sensitive district tunnel exit; The maximum height that the height of wind tower setting should be higher than the building in the peripheral 200m scope does not pollute in the time of could guaranteeing discharging, so the upper-level winds tower exists take over the land for use coordination and view problem.And when road surface, top along the line, tunnel is greenbelt; Can adopt natural ventilation system; Natural ventilation mouth in many places is set in the tunnel along the line, pollutant is disperseed discharging through ventilation opening, this mode be applicable to the tunnel ground condition preferably, the middle short tunnel of greenbelt arranged.
For the long tunnel of length, total length is provided with the natural ventilation mouth in the tunnel not have condition usually, and pollutant does not allow again from exporting direct discharging, adopts the form high altitude discharge of wind tower at present mostly.But owing to receive the restriction of conditions such as environment and land used, often be difficult to realize, therefore plan when the upper-level winds tower can not be set because of civic landscape when the outlet in some urban traffic tunnels is neighbouring; Or neighboring buildings is higher; The pollution that the upper-level winds tower is set is bigger, and tunnel exit is environment sensitive zone, and pollutant does not allow directly to discharge from tunnel exit; For these tunnels, how selecting the reasonable discharging modes of pollutant is difficult problems of tunnel ventilation system.
Summary of the invention
The objective of the invention is provides a kind of city tunnel pollution discharge structure with Ventilator Room and a plurality of low wind booths according to above-mentioned deficiency; This structure is owing to avoided being provided with the upper-level winds tower; Therefore neighboring buildings and view can be do not influenced, and blowdown can be disperseed, little to the pollution of surrounding enviroment.
The present invention realizes through following technical scheme:
A kind of city tunnel pollution discharge structure with Ventilator Room and a plurality of low wind booths; It comprises city tunnel, it is characterized in that: said tunnel offers the contact air channel near the port of export, and said contact is provided with Ventilator Room in the air channel; The air intake of said Ventilator Room communicates with the tunnel; Outlet air end is provided with exhast duct, and said exhast duct top or sidepiece are provided with some air outlets that lead to ground, and the floor outlet end of each air outlet is provided with low wind booth.Pollutant in the tunnel is arranged in exhast duct through the contact air channel under the effect of Ventilator Room, and the some low wind booth through air outlet disperses discharging then, to reach environmental requirement.
Preferably, be provided with axial flow blower in the said Ventilator Room.
Preferably, the outlet of said axial flow blower is provided with the combination air-valve.
Preferred, the outlet of said axial flow blower links to each other through hemispherical dome with the combination air-valve.
Preferably, sound absorber all is equipped with in the import of said axial flow blower and exit.The noise that sound absorber produces in the time of can reducing axial flow blower work is to the influence inside and outside the tunnel.
Preferably, the height of said low wind booth is not less than the anti-calibrated altitude that floods.
The present invention changes existing pollutant into some low wind booths through the discharging of upper-level winds tower and disperses blowdown, and the pollutant discharge amount of each low wind booth is all less, can guarantee the quality of ambient air, and does not influence the attractive in appearance of neighboring buildings.Exhast duct length of the present invention, low wind booth number and spacing can be definite according to the adjustment of composite factors such as the tunnel total amount of pollutant, mechanical ventilation amount and ground sensitivity, and simple in structure, and cost is low, has very strong practicality.
Description of drawings
Fig. 1 is for using tunnel of the present invention horizontal cross;
Fig. 2 is vertical cut-away view of Ventilator Room and exhast duct;
1. tunnel, 2. contact air channel, 3. Ventilator Room, 4. exhast duct, 5. air outlet, 6. axial flow blower, 7. combination air-valve, 8. hemispherical dome, 9. sound absorber.
The specific embodiment
Further specify the present invention below in conjunction with accompanying drawing:
As depicted in figs. 1 and 2; The present invention includes city tunnel 1; Said pollution discharge structure also comprises and is positioned at the outer Ventilator Room 3 in tunnel 1, and the air intake of said Ventilator Room 3 links to each other near the port of export through contact air channel 2 and tunnel 1, and outlet air end communicates with exhast duct 4; Said exhast duct 4 tops or sidepiece are provided with some air outlets 5 that lead to ground, and the floor outlet end of each air outlet 5 is provided with low wind booth (not marking among the figure).Be provided with axial flow blower 6 in the said Ventilator Room 3.The outlet of axial flow blower 6 links to each other through hemispherical dome 8 with combination air-valve 7.Sound absorber 9 all is equipped with in the import of axial flow blower 6 and exit.The height of low wind booth is not less than the anti-calibrated altitude that floods.
Ventilator Room outlet air channel length, low wind booth number and spacing should be confirmed according to the tunnel total amount of pollutant, mechanical ventilation amount and ground environment sensitive spot distance etc. are comprehensive.Simultaneously, low wind booth answers the combined ground greening to arrange with view, and low wind booth height should satisfy the anti-requirement of flooding, and low wind booth outlet wind speed the best is got 4-5m/s, and when the uncovered low wind booth of employing, the air channel planted agent is provided with drainage.
The present invention becomes a plurality of low wind booth distributing dischargings with tunnel internal contamination thing by the empty discharging of the wind tower height of routine through contact air channel, axial flow blower, exhast duct through a plurality of low wind booths are set at tunnel exit, has guaranteed the environmental ambient air quality.The present invention need not be provided with Gao Fengta, does not have high wind tower to coordinate and the view problem, and the dispersion blowdown mode of hanging down the wind booth through many places can satisfy the surrounding enviroment quality, and less to landscape impact, and exploitativeness is stronger.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. city tunnel pollution discharge structure with Ventilator Room and a plurality of low wind booths; It comprises city tunnel, it is characterized in that: said tunnel offers the contact air channel near the port of export, and said contact is provided with Ventilator Room in the air channel; The air intake of said Ventilator Room communicates with the tunnel; Outlet air end is provided with exhast duct, and said exhast duct top or sidepiece are provided with some air outlets that lead to ground, and the floor outlet end of each air outlet is provided with low wind booth.
2. according to the city tunnel pollution discharge structure of the said band Ventilator Room of claim 1 and a plurality of low wind booths, it is characterized in that: be provided with axial flow blower in the said Ventilator Room.
3. according to the city tunnel pollution discharge structure of the said band Ventilator Room of claim 1 and a plurality of low wind booths, it is characterized in that: the outlet of said axial flow blower is provided with the combination air-valve.
4. according to the city tunnel pollution discharge structure of the said band Ventilator Room of claim 3 and a plurality of low wind booths, it is characterized in that: the outlet of said axial flow blower links to each other through hemispherical dome between the air-valve with combination.
5. according to the city tunnel pollution discharge structure of the said band Ventilator Room of claim 1 and a plurality of low wind booths, it is characterized in that: sound absorber all is equipped with in the import of said axial flow blower and exit.
6. according to the city tunnel pollution discharge structure of the said band Ventilator Room of claim 1 and a plurality of low wind booths, it is characterized in that: the height of said low wind booth is not less than the anti-calibrated altitude that floods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102505872A CN102828765A (en) | 2012-07-19 | 2012-07-19 | Urban tunnel pollution discharge structure with fan room and a plurality of low booths |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102505872A CN102828765A (en) | 2012-07-19 | 2012-07-19 | Urban tunnel pollution discharge structure with fan room and a plurality of low booths |
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| CN102828765A true CN102828765A (en) | 2012-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012102505872A Pending CN102828765A (en) | 2012-07-19 | 2012-07-19 | Urban tunnel pollution discharge structure with fan room and a plurality of low booths |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101054903A (en) * | 2007-05-14 | 2007-10-17 | 上海市隧道工程轨道交通设计研究院 | Ventilation and purification method for tunnel low air shaft |
| CN201071731Y (en) * | 2007-05-14 | 2008-06-11 | 上海市隧道工程轨道交通设计研究院 | Exhausting and purifying mechanism of tunnel low wind well |
| CN101308060A (en) * | 2008-06-20 | 2008-11-19 | 浙江金盾风机风冷设备有限公司 | Subway ventilating system simulation test device |
| CN201212855Y (en) * | 2008-06-20 | 2009-03-25 | 浙江金盾风机风冷设备有限公司 | Subway ventilation system simulating test apparatus |
| CN102305095A (en) * | 2011-08-01 | 2012-01-04 | 湖南省交通规划勘察设计院 | Flat guide ventilation operation system of extra-long deeply-buried road tunnel |
| CN202832611U (en) * | 2012-07-19 | 2013-03-27 | 中铁第四勘察设计院集团有限公司 | City tunnel sewage discharge structure provided with ventilator room and a plurality of low ventilation pavilions |
-
2012
- 2012-07-19 CN CN2012102505872A patent/CN102828765A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101054903A (en) * | 2007-05-14 | 2007-10-17 | 上海市隧道工程轨道交通设计研究院 | Ventilation and purification method for tunnel low air shaft |
| CN201071731Y (en) * | 2007-05-14 | 2008-06-11 | 上海市隧道工程轨道交通设计研究院 | Exhausting and purifying mechanism of tunnel low wind well |
| CN101308060A (en) * | 2008-06-20 | 2008-11-19 | 浙江金盾风机风冷设备有限公司 | Subway ventilating system simulation test device |
| CN201212855Y (en) * | 2008-06-20 | 2009-03-25 | 浙江金盾风机风冷设备有限公司 | Subway ventilation system simulating test apparatus |
| CN102305095A (en) * | 2011-08-01 | 2012-01-04 | 湖南省交通规划勘察设计院 | Flat guide ventilation operation system of extra-long deeply-buried road tunnel |
| CN202832611U (en) * | 2012-07-19 | 2013-03-27 | 中铁第四勘察设计院集团有限公司 | City tunnel sewage discharge structure provided with ventilator room and a plurality of low ventilation pavilions |
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Application publication date: 20121219 |