CN207728385U - A kind of controllable air regulator ventilation blowdown smoke evacuation system in tunnel - Google Patents
A kind of controllable air regulator ventilation blowdown smoke evacuation system in tunnel Download PDFInfo
- Publication number
- CN207728385U CN207728385U CN201820058422.8U CN201820058422U CN207728385U CN 207728385 U CN207728385 U CN 207728385U CN 201820058422 U CN201820058422 U CN 201820058422U CN 207728385 U CN207728385 U CN 207728385U
- Authority
- CN
- China
- Prior art keywords
- tunnel
- partition board
- air duct
- smoke evacuation
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of controllable air regulator ventilation blowdown smoke evacuation systems in tunnel, including tunnel, special air duct, ventilating shaft, the ventilating shaft is one or several, according to length of tunnel and landform setting in tunnel both ends or central appropriate location, its internal installation shaft flow type fan forms discharge formula ventilating duct；The special air duct is closed and is formed by steel construction or other robust construction keel and several pieces of high temperature resistants, resistance to oxidation, the partition board of resistant material and tunnel wall, is located at tunnel vault or both sides, is connected to the ventilating shaft；The partition board is opened in special air duct towards in tunnel central axis direction, being divided into stationary barrier and sliding equipped with switch or overturning partition board, the switch are connect with the automatic pyrotechnics inductor system in tunnel with fire alarm monitoring system, automatic, the artificial double control of realization.The utility model need only install removing shaft, be not required to installation blowing shaft, investment is relatively fewer, and low energy consumption；It can be formed in arbitrary burning things which may cause a fire disaster dot at air regulator and concentrate exhausting smoke evacuation, improve rescue efficiency.
Description
Technical field
The utility model belongs to structural fire protection field, more particularly to a kind of controllable air regulator ventilation blowdown smoke evacuation system in tunnel.
Background technology
According to《Ventilation Design for Highway Tunnel detailed rules and regulations》" length is more than 5000 specified in middle 4.1.2 and 4.1.4 provisions explanation
The tunnel of rice generally uses ventilation shaft longitudinal pressure-suction ventilation mode " and reality in the actual conditions of traditional long tunnel be all
Using ventilation shaft longitudinal pressure-suction ventilation mode, major defect has：1, the system must be provided with blowing shaft and removing shaft two
Ventilating shaft, and it is required for installation jet blower, investment is big, send, apart 50 meters or so of removing shaft, formation short circuit is distinguished and admirable, cannot overcome
Tunnel ventilation resistance, has the opposite effect；2, main fan dallies, and flogs a dead horse, jet blower quantity is more, and power is big, and energy consumption is big；3、
Present all types of Tunnel Ventilation Systems cannot all meet《Vcehicular tunnel fire prevention regulation》4.3 " should shorten flue gas as possible to exist
The requirement of stroke in runway ", when fire occurs, pyrotechnics flows with the wind to be spread from ignition point to tunnel exit；It 4, cannot be effective
Airflow regulation wind direction, especially front vehicles occur accident resistance row and front vehicle there is fire behavior when, resistance driving and fire behavior vehicle
Among personnel and vehicle between are all in danger, which does not have a disaster relief Function of reducing disaster, rescue can only input end into
Row (as shown in Figure 1).
Therefore, it is necessary to be improved to this ventilation shaft longitudinal pressure-suction ventilation mode of conventional tunnel.
Utility model content
Purpose of utility model：Overcome the deficiencies in the prior art designs a kind of controllable air regulator ventilation blowdown smoke evacuation system in tunnel,
The setting of ventilating shaft and wind turbine is reduced, investment and energy consumption is reduced, and can discharge fume at air regulator exhausting in arbitrary burning things which may cause a fire disaster dot, effectively controls
Distinguished and admirable wind direction, it is convenient to be rescued at tunnel's entrance and exit both ends.
Technical solution：A kind of controllable air regulator ventilation blowdown smoke evacuation system in tunnel, including tunnel, special air duct, ventilating shaft, it is described
Ventilating shaft is one or several, according to length of tunnel and landform setting in tunnel both ends or central appropriate location, internal installation shaft
Flow type fan forms discharge formula ventilating duct；The special air duct is resistance to by steel construction or other robust construction keel and several pieces
High temperature, resistance to oxidation, the partition board of resistant material and tunnel wall are closed to be formed, and are located at tunnel vault or both sides, connect with the ventilating shaft
It is logical；The partition board is opened in special air duct towards in tunnel central axis direction, being divided into stationary barrier and sliding equipped with switch or turn over
Turn partition board, the switch is connect with the automatic pyrotechnics inductor system in tunnel with fire alarm monitoring system, realizes automatic, artificial dual control
System.
The switch can be automatically controlled, can also be hydraulic control.
Being equipped with also according to the position of ventilating shaft when the ventilating shaft is two or more, in the special air duct can close and beat
The air door opened, the air door are also connect with the automatic pyrotechnics inductor system in tunnel with fire alarm monitoring system.
The special air duct can also utilize the original shared ditch joint setting in tunnel, and ditch lid is added above ditch
Plate installs stationary barrier and the sliding equipped with switch or overturning partition board additional in side of the ditch towards tunnel central axis direction.
When normal operation, air door is closed, and each section of special air duct is independent mutually；It is spaced apart to open certain slidings or turn over
Turn partition board, form air regulator blowdown, dirty gas is discharged by special air duct and ventilating shaft.
When fire behavior occurs for tunnel road surface somewhere, automatic pyrotechnics inductor starts automatically, or artificial shake-up fire alarm monitoring
System, then one or more partition board opening on the special air duct of fire behavior corresponding position, forms the changeable air regulator of area,
Exhausting, air draft, and air door is concentrated to open, the axis galvanic electricity machine operating in all ventilating shafts forms windy well exhausting, air draft, cigarette
Gas control system is in minimum influence range.
The beneficial effects of the utility model：The utility model need only install removing shaft compared to plenum ventilation system, be not required to
Blowing shaft is installed, jet blower need not be installed in tunnel, investment is relatively fewer；Wind turbine quantity is few, and general power is small, energy consumption
It is low；All types of tunnels can meet《Vcehicular tunnel fire prevention regulation》4.3 " should shorten row of the flue gas in runway as possible
The requirement of journey ", can be in arbitrary burning things which may cause a fire disaster dot at air regulator, and is formed and concentrate exhausting smoke evacuation；It, can be effective when fire occurs for anywhere
Airflow regulation wind direction can be rescued at tunnel's entrance and exit both ends, improve rescue efficiency.
Description of the drawings
Fig. 1 is existing super long tunnel ventilation system setups schematic diagram；
Structural schematic diagram (tunnel when Fig. 2 is the utility model tunnel controllable air regulator ventilation blowdown smoke evacuation system normal operation
Between long 5000m~8000 meter)；
Structural schematic diagram (tunnel when Fig. 3 is the utility model tunnel controllable air regulator ventilation blowdown smoke evacuation system normal operation
It is long to be more than 8000 meters)；
Structural schematic diagram (tunnel when Fig. 4 is the utility model tunnel controllable air regulator ventilation blowdown smoke evacuation system normal operation
It is long to be less than 5000m)；
Fig. 5 is that the controllable air regulator ventilation blowdown smoke evacuation system in the utility model tunnel occurs to take out when fire behavior at the arbitrary A in tunnel
Air draft schematic diagram；
Fig. 6 is that controllable air regulator ventilation blowdown smoke evacuation system arbitrary places A in front of tunnel in the utility model tunnel occur resistance and go
And pump drainage wind schematic diagram when fire behavior occurs at the arbitrary B in rear；
Fig. 7 is the 1-1 schematic cross-sections of Fig. 5；
Fig. 8 is the 2-2 schematic cross-sections (sliding partition board) of Fig. 5；
Fig. 9 is the 2-2 schematic cross-sections (overturning partition board) of Fig. 5；
Figure 10 is that the special air duct in the controllable air regulator ventilation blowdown smoke evacuation system in the utility model tunnel joins with shared ditch
Close structural schematic diagram when setting (when sliding partition board is closed)；
Figure 11 is that the special air duct in the controllable air regulator ventilation blowdown smoke evacuation system in the utility model tunnel joins with shared ditch
Close structural schematic diagram when setting (when sliding partition board is opened)；
Figure 12 is sliding or overturning partition board and airdoor control circuit diagram.
Specific implementation mode
In order to keep the purpose of this utility model, technical solution and advantage clearer, below in conjunction with the accompanying drawings and it is embodied
The utility model is described in detail in example.
Embodiment：
Shown in Fig. 2, when between long 5000m~8000 meter in tunnel, a kind of controllable air regulator in tunnel described in the utility model is logical
Wind blowdown smoke evacuation system, including tunnel, special air duct, ventilating shaft, tunneled central install a diameter and the larger ventilating shaft of length, shape
At discharge formula ventilating duct；The special air duct by steel construction or other robust construction keel and several pieces of high temperature resistants, resistance to oxidation,
The partition board of resistant material is closed to be formed with tunnel wall, is located at tunnel vault, is connected to the ventilating shaft；The partition board is opened in specially
It is described to open with exhausting duct towards in tunnel central axis direction, being divided into stationary barrier and sliding equipped with electric-controlled switch or overturning partition board
Pass is connect with the automatic pyrotechnics inductor system in tunnel with fire alarm monitoring system, realizes automatic, artificial double control.
The switch can be automatically controlled, can also be hydraulic control.
Being equipped with also according to the position of ventilating shaft when the ventilating shaft is two or more, in the special air duct can close and beat
The air door opened, the air door also connect (as shown in Figure 2,3) with fire alarm monitoring system with the automatic pyrotechnics inductor system in tunnel.
When switch is automatically controlled, for sliding partition board, partition board and airdoor control circuit diagram are as shown in figure 12.Sliding
Partition board both sides and air door both sides are mounted on switch, are connected in parallel between each switch and the switch of air door for sliding partition board,
Both ends be divided into it is other be connected in series with fire alarm monitoring system with automatic pyrotechnics inductor system, when fire behavior occurs, automatic pyrotechnics sense
Start automatically after answering device to sense fire behavior, opens the sliding isolating switch and air door switch of side connection；Or it manually opens
Dynamic fire alarm monitoring system, opens the sliding isolating switch and air door switch of other side connection so that and sliding partition board and air door are opened,
Realize automatic, artificial double control.
Shown in Fig. 3, when tunnel, length is more than 8000 meters, a kind of controllable air regulator ventilation blowdown row in tunnel described in the utility model
Cigarette system, including tunnel, special air duct, ventilating shaft, tunneled central installs a diameter and the larger ventilating shaft of length, at tunnel both ends
Respectively one diameter of installation and the smaller ventilating shaft of length, form discharge formula ventilating duct.
Shown in Fig. 4, when tunnel, length is less than 5000m, a kind of controllable air regulator ventilation blowdown row in tunnel described in the utility model
Cigarette system, including tunnel, special air duct, ventilating shaft, in tunnel both ends respectively one diameter of installation and the smaller ventilating shaft of length, the row of being formed
Go out formula ventilating duct.
When normal operation, air door is closed, and each section of special air duct is independent mutually；It is spaced apart to open certain slidings or turn over
Turn partition board, form air regulator blowdown, dirty gas is discharged by special air duct and ventilating shaft.
Shown in Fig. 5, when fire behavior occurring at the arbitrary A in tunnel, pyrotechnics inductor starts automatically, or artificial shake-up fire alarm prison
Control system opens the polylith partition board on special air duct at A, forms the air regulator of large area, concentrates exhausting herein, air draft, and
Air door is opened, and the axis galvanic electricity machine operating in all ventilating shafts forms windy well exhausting, air draft, flue gas is controlled in minimum influence model
It encloses, and tunnel import and export end can be carried out rescuing.
It is special at opening B when resistance row and the places the arbitrary B in rear generation fire behavior occur for the arbitrary places A in front of the tunnel shown in Fig. 6
Polylith partition board on air duct, forms the air regulator of large area, and exhausting herein, air draft, and air door is concentrated to open, in all ventilating shafts
Axis galvanic electricity machine operating, windy well exhausting, air draft are formed, and tunnel import and export end can be carried out rescuing, at A and between B
Personnel's vehicle be among safety.
Fig. 7 is the 2-2 schematic cross-sections of Fig. 5, and partition board forms special air duct when closing；
Fig. 8 is the 1-1 schematic cross-sections of Fig. 5, and sliding partition board is opened, and air regulator is formed；
Fig. 9 is the 1-1 schematic cross-sections of Fig. 5, and overturning partition board is opened, and air regulator is formed；
Shown in Figure 10~11, the special air duct can also utilize the original shared ditch joint setting in tunnel, in ditch
Top adds ditch cover board, installs stationary barrier and sliding equipped with switch additional in side of the ditch towards tunnel central axis direction or turns over
Turn partition board.
The foregoing is merely the preferred embodiments of the utility model, are not intended to limit the utility model, in this practicality
Any modification, equivalent replacement, improvement and so within novel spirit and principle, the system that should be included in the utility model
Within structure.
Claims (4)
- The blowdown smoke evacuation system 1. a kind of controllable air regulator in tunnel is divulged information, which is characterized in that described including tunnel, special air duct, ventilating shaft Ventilating shaft is one or several, according to length of tunnel and landform setting in tunnel both ends or central appropriate location, internal installation shaft Flow type fan；The special air duct is by steel construction or other robust construction keel and several pieces of high temperature resistants, resistance to oxidation, corrosion-resistant The partition board of material is closed to be formed with tunnel wall, is located at tunnel vault or both sides, is connected to the ventilating shaft；The partition board is opened in specially With air duct towards in tunnel central axis direction, being divided into stationary barrier and sliding equipped with switch or overturning partition board, the switch and tunnel The automatic pyrotechnics inductor system in road is connect with fire alarm monitoring system.
- The blowdown smoke evacuation system 2. the controllable air regulator in tunnel according to claim 1 is divulged information, which is characterized in that the switch can be with It is automatically controlled, can also be hydraulic control.
- The blowdown smoke evacuation system 3. the controllable air regulator in tunnel according to claim 1 is divulged information, which is characterized in that the ventilating shaft is two When more than item, the position in the special air duct also according to ventilating shaft is equipped with the air door that can be closed and open, the air door It is connect with fire alarm monitoring system with the automatic pyrotechnics inductor system in tunnel.
- The blowdown smoke evacuation system 4. the controllable air regulator in tunnel according to claim 1 is divulged information, which is characterized in that the special air duct Using the original shared ditch joint setting in tunnel, ditch cover board is added above ditch, in ditch towards tunnel central axis direction Side install stationary barrier and sliding equipped with switch or overturning partition board additional.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820058422.8U CN207728385U (en) | 2018-01-15 | 2018-01-15 | A kind of controllable air regulator ventilation blowdown smoke evacuation system in tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820058422.8U CN207728385U (en) | 2018-01-15 | 2018-01-15 | A kind of controllable air regulator ventilation blowdown smoke evacuation system in tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207728385U true CN207728385U (en) | 2018-08-14 |
Family
ID=63082452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820058422.8U Active CN207728385U (en) | 2018-01-15 | 2018-01-15 | A kind of controllable air regulator ventilation blowdown smoke evacuation system in tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207728385U (en) |
-
2018
- 2018-01-15 CN CN201820058422.8U patent/CN207728385U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103939124B (en) | One single-tube double-layer shield traffic tunnel ventilation smoke exhaust and evacuating system under water | |
| CN207838084U (en) | A kind of building fire smoke evacuation rescue system | |
| CN108952798B (en) | A kind of railway breakdown station with smoke controlling and personnel's emergency evacuation function | |
| CN108005703A (en) | A kind of controllable air regulator ventilation blowdown smoke evacuation system in tunnel | |
| CN104265347B (en) | A kind of multiparameter tunnel ventilation control method based on rate of discharge and concentration | |
| CN110823496B (en) | Automobile environment wind tunnel scavenging and air breathing system | |
| KR101191592B1 (en) | Selective point extraction ventilation method applied to active control | |
| CN207728385U (en) | A kind of controllable air regulator ventilation blowdown smoke evacuation system in tunnel | |
| CN110186067A (en) | A kind of cigarette air duct coupled system preventing fan stall | |
| JP7128251B2 (en) | Fire ventilation and smoke exhaust system and method for tunnels with long and large sections in subways running through rivers or seas | |
| CN203962019U (en) | Smoke evacuation system in tunnel | |
| CN206738200U (en) | A kind of New blower | |
| CN208122886U (en) | A kind of Tunnel Ventilation System of subway station | |
| CN207437115U (en) | A kind of underground railway tunnel fire ventilation smoke extraction system | |
| CN202417562U (en) | Novel tunnel ventilation device | |
| CN206256718U (en) | A kind of charging pile of waterproof fireproofing | |
| CN114737990A (en) | Tunnel short-range smoke exhaust method, smoke exhaust structure and control and construction method thereof | |
| CN204754938U (en) | Safety of easily discharging fume tunnel that is open to traffic | |
| CN208057144U (en) | A kind of Long Traffic Tunnels region couples formula smoke control system | |
| CN102513323B (en) | Fume exhaust layout structure for subway platform and screen door system | |
| CN206889008U (en) | A kind of nozzle supply air system for non-totally-enclosed platform door system subway station | |
| CN208502822U (en) | A kind of subway tunnel ventilation smoke exhaust structure | |
| CN208534524U (en) | A kind of high-efficient ventilation system for tunnel | |
| CN104929672B (en) | Compound underground ring corridor fire prevention isolation device and method | |
| CN204646292U (en) | Tunnel sound barrier natural ventilation equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |