CN102425443B - Tunnel smoke control device for supplying air from parallel tunnels - Google Patents
Tunnel smoke control device for supplying air from parallel tunnels Download PDFInfo
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- CN102425443B CN102425443B CN201110355967.8A CN201110355967A CN102425443B CN 102425443 B CN102425443 B CN 102425443B CN 201110355967 A CN201110355967 A CN 201110355967A CN 102425443 B CN102425443 B CN 102425443B
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Abstract
The invention relates to a tunnel smoke control device for supplying air from parallel tunnels, which is a pressurized smoke control facility proposed by aiming at the current situation that the pressurized air supply effect of the traditional tunnel evacuation exit (secure channel) is limited, wherein the pressurized smoke control facility is arranged on the joint of the tunnel evacuation exit (secure channel) and a main tunnel. The tunnel smoke control device comprises air curtain machines, an air supply slot and a changeover air valve, wherein the air curtain machines are installed in the evacuation exit, and the air supply slot is installed on the joint of the evacuation exit or a vehicular access with a contact passage. The main purpose of the tunnel smoke control device is to prevent smoke in the main tunnel from entering the evacuation exit (secure channel), and the evacuation exit (secure channel) is guaranteed to be free from smoke. Compared with the prior art, influence on the human body by a pressure in the evacuation exit can be lightened, and energy consumption is lower.
Description
Technical field
The present invention relates to tunnel-like, be specifically related to a kind of tunnel smoke prevention device from the Parallel Tunnel air-supply.
Background technology
Tunnel escape is in tunnel during breaking out of fire, the passway for escaping of evacuating personnel.When highway tunnel or railway tunnel are provided with the safe escape passage parallel with tunnel, in order to prevent that the vehicular tunnel fire smoke from entering the safe escape passage, according to the 12.3.3 clause of " Code for fire protection design of buildings " (GB 50016-2006) regulation: the tunnel fire hazard facility planted agent that takes refuge arranges independently the mechanic pressure blow system, and the overbottom pressure value of its air-supply should be 30-50pa.When existing highway tunnel or railway tunnel are provided with the safe escape passage parallel with tunnel, in order to prevent the vehicular tunnel fire smoke, enter the safe escape passage, fire escape needs pressure air blowing.The length of safe escape passage surpasses 1km usually, grow up more than tunnel even can reach 5km, make the pressure air blowing radius of safe escape passage reach several kilometers, the level of civil engineering simultaneously is limited, to making, the forced draught blower capacity is large, weak effect, and therefore existing tunnel escape fume-resisting system is difficult to guarantee that in tunnel, all can there be good Smoke prevention effect optional position.
Summary of the invention
The present invention seeks to according to according to above-mentioned tunnel of the prior art, evacuating the limited present situation of (safety) passage pressure air blowing effect, a kind of tunnel smoke prevention device from the Parallel Tunnel air-supply proposed, this device utilizes tunnel to evacuate (safety) passage and gets wind from Parallel Tunnel, to the fire tunnel, pressurization, smoke abatement facility are set, guarantee that flue gas kept out outside the safe escape passway by air curtain, its main purpose is to prevent that main tunnel flue gas from entering the safe escape passage, guarantees to evacuate the smokeless of (safety) passage.
The realization of the object of the invention is completed by following technical scheme:
A kind of tunnel smoke control structure from the Parallel Tunnel air-supply, described structure relates to two tunnels that be arranged in parallel, be provided with the safe escape passage therebetween, it is characterized in that, described Smoke prevention structure comprises the bidirectional movement blower fan, air curtain, air-supply bar seam and conversion air-valve, secure tunnel fire escape and described tunnel interface place at least arrange one group of air-supply bar seam, described air curtain connects the air-supply of controlling air-supply bar seam, described bidirectional movement blower fan malleation air outlet connects and controls described air curtain by described conversion air-valve, described bidirectional movement blower negative pressure air intake is communicated with two tunnels respectively.
Secure tunnel fire escape and described tunnel interface place arrange two groups or more described air-supply bar seam, and described air curtain quantity is corresponding one by one with air-supply bar seam quantity.
Be provided with service channel between described tunnel and described safe escape passage, two groups or more described air-supply bar seam in secure tunnel fire escape and the setting of described tunnel interface place, wherein at least arrange one group of air-supply bar and be sewn on each described tunnel and described service channel interface.
Be provided with service channel between described tunnel and described safe escape passage, two groups or more described air-supply bar seam in secure tunnel fire escape and the setting of described tunnel interface place, wherein at least arrange one group of air-supply bar and be sewn on each described service channel and described safe escape channel interface place.
The wind direction deflection fire tunnel side of described air-supply bar seam, deflection angle is no more than 45 °.
The safe escape channel side of wind direction deflection fire tunnel one side of described air-supply bar seam, deflection angle is no more than 45 °.
Advantage of the present invention is, prevents that main tunnel flue gas from entering the safe escape passage, and the Smoke prevention effect is remarkable, and the purifying smoke excellent performance is simple in structure, can guarantee in whole safe escape passage smokeless.
The accompanying drawing explanation
Fig. 1 is tunnel smoke control structural representation of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, by embodiment, feature of the present invention and other correlated characteristic are described in further detail, so that technician's of the same trade understanding:
As shown in Figure 1, in figure, mark 1-8 is respectively: bidirectional movement blower fan 1, air-supply bar seam 2, conversion air-valve 3, service channel 4, tunnel 5, safe escape passage 6, tunnel 7, service channel 8.
Embodiment:
As shown in Figure 1, the present embodiment tunnel smoke control structure, reach two tunnels that be arranged in parallel 5 and tunnel 7, is provided with safe escape passage 6 therebetween, be provided with service channel 8 between tunnel 5 and safe escape passage 6, between tunnel 7 and safe escape passage 6, be provided with service channel 4.
Bidirectional movement blower fan 1 malleation air outlet turns to air-valve 3 to connect the air-supply bar of controlling four air curtains by four respectively and stitches 2, two groups of air-supply bar seams 2 that interface arranges between secure tunnel fire escape 6 and tunnel 5, wherein one group of air-supply bar seam 2 is positioned at the interface of tunnel 5 and service channel 8, and another group air-supply bar seam 2 is positioned at service channel 8 and safe escape passage 6 interfaces.Two groups of air-supply bars seams 2 that interface arranges between secure tunnel fire escape 6 and tunnel 7, wherein one group of air-supply bar seam 2 is positioned at the interface of tunnel 7 and service channel 4, and another group air-supply bar seam 2 is positioned at service channel 4 and safe escape passage 6 interfaces.The deflection angle deflection flue gas of above-mentioned air-supply bar seam 2 pours in direction, usually the angle of deflection take 10 °-20 ° be optimum.
The negative-pressure inlet mouth of bidirectional movement blower fan 1 is communicated with tunnel 5 and tunnel 7 respectively.
The present embodiment method of operation is as follows:
Suppose the interior breaking out of fire in tunnel 7, for preventing that cigarette from entering fire escape 6, start bidirectional movement blower fan 1, its negative pressure mouth 5 is got wind from tunnel nearby, its malleation mouth is delivered to tunnel 7 and service channel 4 interfaces by wind by air-supply bar seam 2, the direction in the deflection angle deflection fire tunnel 7 of air-supply bar seam 2; By air-supply bar seam 2, also blow to the interface of service channel 4 with safe escape passage 6 simultaneously, deflection angle deflection service channel 4 directions of this air-supply bar seam 2.The air-supply air-flow produces the direct current air curtain by air-supply bar seam 2, by blast, makes cigarette can't enter fire escape to reach the purpose of tunnel smoke control.Now the conversion air-valve 3 between safe escape passage 6 and tunnel 7 is opened, and the conversion air-valve 3 between safe escape passage 6 and tunnel 5 cuts out.
Suppose the interior breaking out of fire in tunnel 5, for preventing that cigarette from entering fire escape 6, start bidirectional movement blower fan 1, its negative pressure mouth 7 is got wind from tunnel nearby, its malleation mouth is delivered to tunnel 5 and service channel 8 interfaces by wind by air-supply bar seam 2, the direction in the deflection angle deflection fire tunnel 5 of air-supply bar seam 2; By air-supply bar seam 2, also blow to the interface of service channel 8 with safe escape passage 6 simultaneously, deflection angle deflection service channel 8 directions of this air-supply bar seam 2.The air-supply air-flow produces the direct current air curtain by air-supply bar seam 2, by blast, makes cigarette can't enter fire escape to reach the purpose of tunnel smoke control.Now the conversion air-valve 3 between safe escape passage 6 and tunnel 5 is opened, and the conversion air-valve 3 between safe escape passage 6 and tunnel 7 cuts out.
In a word, the air-supply bar seam 2 that the evacuation mouth place joined in safe escape passage 6 and tunnel 5,7 arranges, can adopt the single flow air curtain that side is sent or the end is sent, the wind point of getting of air curtain is taken from its parallel sides and is got wind, has been sent to junction, fire side tunnel without the fire tunnel, and the wind direction of air curtain points to fire tunnel side.
Bidirectional movement blower fan 1 can be located in escape way, by 3 conversions of conversion air-valve, can be two tunnel service, and each service channel place can establish one or multi-channel air curtain according to actual conditions.
Claims (6)
1. the tunnel smoke control structure from Parallel Tunnel air-supply, described structure relates to two tunnels that be arranged in parallel, be provided with the safe escape passage therebetween, it is characterized in that, described Smoke prevention structure comprises the bidirectional movement blower fan, air curtain, air-supply bar seam and conversion air-valve, secure tunnel fire escape and described tunnel interface place at least arrange one group of air-supply bar seam, described air curtain connects the air-supply of controlling air-supply bar seam, described bidirectional movement blower fan malleation air outlet connects and controls described air curtain by described conversion air-valve, described bidirectional movement blower negative pressure air intake is communicated with two tunnels respectively.
2. a kind of tunnel smoke control structure from Parallel Tunnel air-supply according to claim 1, it is characterized in that secure tunnel fire escape and described tunnel interface place arrange two groups or more described air-supply bar seam, described air curtain quantity is corresponding one by one with air-supply bar seam quantity.
3. a kind of tunnel smoke control structure from Parallel Tunnel air-supply according to claim 2, it is characterized in that being provided with service channel between described tunnel and described safe escape passage, two groups or more described air-supply bar seam in secure tunnel fire escape and the setting of described tunnel interface place, wherein at least arrange one group of air-supply bar and be sewn on each described tunnel and described service channel interface.
4. a kind of tunnel smoke control structure from Parallel Tunnel air-supply according to claim 2, it is characterized in that being provided with service channel between described tunnel and described safe escape passage, two groups or more described air-supply bar seam in secure tunnel fire escape and the setting of described tunnel interface place, wherein at least arrange one group of air-supply bar and be sewn on each described service channel and described safe escape channel interface place.
5. a kind of tunnel smoke control structure from the Parallel Tunnel air-supply according to claim 3, is characterized in that the wind direction of described air-supply bar seam is partial to fire tunnel side, and deflection angle is no more than 45 °.
6. a kind of tunnel smoke control structure from Parallel Tunnel air-supply according to claim 4, is characterized in that the safe escape channel side of wind direction deflection fire tunnel one side of described air-supply bar seam, and deflection angle is no more than 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110355967.8A CN102425443B (en) | 2011-11-11 | 2011-11-11 | Tunnel smoke control device for supplying air from parallel tunnels |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110355967.8A CN102425443B (en) | 2011-11-11 | 2011-11-11 | Tunnel smoke control device for supplying air from parallel tunnels |
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| CN102425443A CN102425443A (en) | 2012-04-25 |
| CN102425443B true CN102425443B (en) | 2014-01-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989420B (en) * | 2015-06-24 | 2017-05-03 | 湖州升浙绿化工程有限公司 | Safety traffic tunnel facilitating smoke discharging |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929674A (en) * | 2015-06-23 | 2015-09-23 | 上海市政工程设计研究总院（集团）有限公司 | Composite underground corridor fireproof device and method |
| CN104929673A (en) * | 2015-06-23 | 2015-09-23 | 上海市政工程设计研究总院（集团）有限公司 | Channel type fire-proof separation device and method for composite underground ring corridor |
| CN105114097A (en) * | 2015-08-21 | 2015-12-02 | 中铁第一勘察设计院集团有限公司 | Communication structure system between two pipe tunnels and ventilation evacuating method of communication structure system |
| CN105822342B (en) * | 2016-04-28 | 2017-10-17 | 武汉中交交通工程有限责任公司 | A kind of wet section tunnel evacuating personnel rescue channel design and Tobacco Control system |
| CN111692696A (en) * | 2020-05-29 | 2020-09-22 | 重庆大学 | Smoke-proof air curtain system for tunnel communication channel |
| CN113446052B (en) * | 2021-07-01 | 2022-10-21 | 中铁第五勘察设计院集团有限公司 | Tunnel system, fire air supply control method and fire air supply control system |
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| CN1888396A (en) * | 2006-07-21 | 2007-01-03 | 王新民 | Moving air curtain type smoke and dust removing method and apparatus thereof |
| KR200435463Y1 (en) * | 2006-09-28 | 2007-01-24 | 지에스건설 주식회사 | Apparatus having air curtain for preventing smoke dispersion through cross passage of twin tube tunnel |
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| CN201826880U (en) * | 2010-09-29 | 2011-05-11 | 中铁第四勘察设计院集团有限公司 | Arrangement structure for smoke prevention system of tunnel secure channel |
| CN201843635U (en) * | 2010-10-27 | 2011-05-25 | 中铁第四勘察设计院集团有限公司 | Smoke proof device for tunnel safe passage |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3977190B2 (en) * | 2002-08-05 | 2007-09-19 | 鹿島建設株式会社 | Tunnel disaster prevention system |
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| CN1888396A (en) * | 2006-07-21 | 2007-01-03 | 王新民 | Moving air curtain type smoke and dust removing method and apparatus thereof |
| KR200435463Y1 (en) * | 2006-09-28 | 2007-01-24 | 지에스건설 주식회사 | Apparatus having air curtain for preventing smoke dispersion through cross passage of twin tube tunnel |
| CN101463731A (en) * | 2008-12-31 | 2009-06-24 | 上海市隧道工程轨道交通设计研究院 | High-speed thermal circulation air curtain construction method for tunnel portal |
| CN201826880U (en) * | 2010-09-29 | 2011-05-11 | 中铁第四勘察设计院集团有限公司 | Arrangement structure for smoke prevention system of tunnel secure channel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104989420B (en) * | 2015-06-24 | 2017-05-03 | 湖州升浙绿化工程有限公司 | Safety traffic tunnel facilitating smoke discharging |
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| CN102425443A (en) | 2012-04-25 |
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