CN109958468A - A kind of complementary ventilating system in twin tunnel and the anti-smoke blowing device of air duct fire - Google Patents
A kind of complementary ventilating system in twin tunnel and the anti-smoke blowing device of air duct fire Download PDFInfo
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- CN109958468A CN109958468A CN201910338539.0A CN201910338539A CN109958468A CN 109958468 A CN109958468 A CN 109958468A CN 201910338539 A CN201910338539 A CN 201910338539A CN 109958468 A CN109958468 A CN 109958468A
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- 230000000295 complement effect Effects 0.000 title claims abstract description 54
- 239000000779 smoke Substances 0.000 title claims abstract description 44
- 238000007664 blowing Methods 0.000 title claims abstract description 35
- 230000009970 fire resistant effect Effects 0.000 claims abstract description 80
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 36
- 229910052742 iron Inorganic materials 0.000 claims description 18
- 230000014759 maintenance of location Effects 0.000 claims description 13
- 238000011144 upstream manufacturing Methods 0.000 claims description 13
- 230000002265 prevention Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims 1
- 238000009423 ventilation Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000012512 characterization method Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- VEMKTZHHVJILDY-UHFFFAOYSA-N resmethrin Chemical compound CC1(C)C(C=C(C)C)C1C(=O)OCC1=COC(CC=2C=CC=CC=2)=C1 VEMKTZHHVJILDY-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
- E05C17/56—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by magnetic or electromagnetic attraction or operated by electric or electromagnetic means
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
- E05F15/53—Power-operated mechanisms for wings using fluid-pressure actuators for swinging wings
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
- E05F15/72—Power-operated mechanisms for wings with automatic actuation responsive to emergency conditions, e.g. fire
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/003—Ventilation of traffic tunnels
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/103—Dams, e.g. for ventilation
- E21F17/12—Dam doors
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Ventilation (AREA)
- Special Wing (AREA)
Abstract
The present invention relates to a kind of complementary ventilating system in twin tunnel and the anti-smoke blowing devices of air duct fire, belong to highway tunnel ventilation and technical field of fire control.The complementary ventilating system in twin tunnel includes the laterally complementary air duct for being connected to adjacent two tunnel and the anti-smoke blowing device of air duct fire for carrying out opening and closing control to air duct；Fire anti-smoke blowing device in air duct includes controller, and fire detector can open and close to the fire resistant doorsets being mounted on the side wall of air duct, for fire resistant doorsets in the open state to be maintained to the door retainer and door closer of open state；Controller is used to export release control signal to door retainer when receiving fire detector and exporting the detectable signal for characterizing generation fire.By adding the anti-smoke blowing device of air duct fire in laterally complementary air duct, it can be when fire occurs for tunnel, the laterally complementary air duct for being connected to adjacent two tunnel is rapidly closed can be widely applied in Tunnel Engineering field with reducing the secondary disaster as caused by smoke blowing.
Description
Technical field
The present invention relates to highway tunnel ventilation and technical field of fire control, specifically, it is complementary logical to be related to a kind of twin tunnel
Wind system and the anti-smoke blowing device of the air duct fire that can be used for constructing the complementary ventilating system in the twin tunnel.
Background technique
Complementary ventilation mode is a kind of novel, energy-saving ventilating air mode, and basic functional principle is to utilize laterally complementary wind
Road gets up adjacent upward slope tunnel, the connection of descending tunnel, goes dilution to go up a slope with the air using relative clean in descending tunnel
Air relatively dirty in tunnel, so that the equilibrium of adjacent two tunnel ventilations load is realized, for example, such as Publication No.
Disclosed in the patent document of CN102287213A.By ventilation after, in descending tunnel the lower air-flow of pollution concentration with it is upper
The air-flow mixing that pollution concentration is relatively high in the tunnel of slope, pollutant concentration increase；And the high pollution air in upward slope tunnel is dense
Degree then declines, and in the outlet end in two tunnels, and the concentration of pollutant reaches maximum, but it is critical to should be less than pollution concentration
Value.
As aforementioned patent literature, one kind is also disclosed in the patent document of Publication No. CN106014468A, is led to
It crosses between adjacent two tunnel and adds laterally complementary air duct, and add the axial flow blower that laterally complementary air duct is reversible at this, to change
Air quality in kind tunnel.But this complementary ventilation mode also brings hidden fire-fighting danger, i.e., originally as two fire prevention point
The tunnel that area considers, due to the connection in complementary air duct, there are flue gases to flow to the non-fire tunnel of downlink from uplink fire tunnel fast stringed
The possibility in road, and cause unnecessary secondary damage.
Summary of the invention
The main object of the present invention be to provide it is a kind of can quickly block fire smoke from upstream fire tunnel crossfire entrance under
Swim the complementary ventilating system in twin tunnel in non-fire tunnel；
It is a further object of the present invention to provide a kind of air duct fire that can be used for constructing the complementary ventilating system in above-mentioned twin tunnel
The anti-smoke blowing device of calamity.
In order to achieve the above-mentioned main objectives, the complementary ventilating system in twin tunnel provided by the invention includes adjacent for being connected to
The laterally complementary air duct in two tunnels and the blower being mounted in laterally complementary air duct；The complementary ventilating system in twin tunnel includes being used for
The anti-smoke blowing device of air duct fire of opening and closing control is carried out to the air duct in laterally complementary air duct；Fire anti-smoke blowing device in air duct includes control
Device processed, the fire detector for being detected to the fire presentation in upstream tunnels can open and close to be mounted on laterally complementary wind
Fire resistant doorsets on the air duct side wall in road, for fire resistant doorsets in the open state to be maintained to the open position of the open state
Door retainer and door closer；Door closer is anti-for forcing at least when door retainer is discharged to the state retention forces of fire resistant doorsets
Vent is acted to closed state；Controller be used for receive fire detector export characterization generation fire detectable signal
When, release control signal is exported to door retainer, release control signal is for controlling door retainer release conditions retentivity.
By adding the anti-smoke blowing device of air duct fire in laterally complementary air duct, to be protected using door in normal use process
Fire resistant doorsets are maintained at open state by holder, and avoid causing to hinder to air exchange process；And fire detector is detecting
When fire occurs for upstream tunnels, controller controls holding of the door retainer release to fire resistant doorsets, and under the driving of door closer, drives
Make fire resistant doorsets quick closedown, to close laterally complementary air duct, obstructs dense smoke and heating power, keep the tunnel of two different fire compartments
It is still within physics partition state.
It is electromagnetic releaser that specific scheme, which is a retainer,.
More specific scheme be electromagnetic releaser be can release conditions retentivity when power is off electromagnetism door-inhale release.With
While simplifying the structure of door retainer, the fire-fighting requirements that power-off is closed the door are better achieved.
Preferred scheme is that door closer is non-driven type resetting-mechanism, and the reset force of the resetting-mechanism forces fire resistant doorsets multiple
Position is to closed state；The reset force that door retainer at least is used to that door closer to be overcome to be applied, so that fire resistant doorsets are maintained at open position
Set place.The fire-fighting requirements that power-off is closed the door are better achieved.
It is hydraulic door-closer that preferred scheme, which is door closer,；Door retainer when power is off, discharges the state to fire resistant doorsets
Retentivity.Door closer is constructed using hydraulic-driven, it can be during closing door without power supply, not only performance is stablized, and preferably multiple
The fire-fighting requirements of make and break electricity-supplying and door-closing.
Another preferred scheme is that fire anti-smoke blowing device in air duct includes the doorframe and doorframe being mounted on the side wall of air duct
Center pillar, fire resistant doorsets are double-door structure；In the frame and fixed frame of fire resistant doorsets, permanent magnetic iron block is installed, separately in one
Be installed in one fire resistant doorsets closure when with the attracting magnetic suction module of permanent magnetic iron block；Fixed frame is doorframe and/or doorframe center pillar；
The opening direction of fire resistant doorsets is towards upstream tunnels；Fire resistant doorsets are mounted on lateral complementary air duct adjacent to one end of upstream tunnels；Men Bao
Holder is mounted on the side wall of air duct；Door retainer is used to for fire resistant doorsets being maintained at a surface along the direction cloth for being parallel to air duct side wall
At the position set；Fire detector is flame detector or smoke detector.By adding permanent magnetic iron block and magnetic suction module, with
When fire resistant doorsets are closed, it can increase and close degree between fire resistant doorsets and doorframe and/doorframe center pillar.
In order to achieve the above-mentioned another object, the anti-smoke blowing device of air duct fire provided by the invention is for opening and closing air duct
Control；The anti-smoke blowing device of the air duct fire includes controller, doorframe, the fire detector for being detected to fire presentation,
It can open and close to be mounted on the fire resistant doorsets on doorframe, for fire resistant doorsets in the open state to be maintained to the unlatching of the open state
Door retainer and door closer at position；Door closer at least when door retainer discharges the state retention force to fire resistant doorsets, is used for
Fire resistant doorsets are forced to act to closed state；Controller be used for receive fire detector export characterization generation fire detection
When signal, release control signal is exported to door retainer, release control signal is for controlling the release of door retainer to fire resistant doorsets
State retention force.
If installing the anti-smoke blowing device of the fire to air duct, will be prevented in normal ventilation process using door retainer
Vent is maintained at open state, and avoids causing to hinder to the use in air duct；And fire detector is in the one end for detecting air duct
When fire occurs for side, controller controls holding of the door retainer release to fire resistant doorsets, and under the driving of door closer, drives fire prevention
Door quick closedown obstructs dense smoke and heating power to close the air duct, keeps two different fire prevention partition spaces being connected to by the air duct
It is still within physics partition state.
It is electromagnetic releaser that specific scheme, which is a retainer,.
It is the electromagnetic door that can be discharged when power is off to the state retention force of fire resistant doorsets that more specific scheme, which is electromagnetic releaser,
Inhale release.While structure to simplify door retainer, the fire-fighting requirements that power-off is closed the door are better achieved.
Preferred scheme is that door closer is non-driven type resetting-mechanism, and the reset force of the resetting-mechanism forces fire resistant doorsets multiple
Position is to closed state；The reset force that door retainer at least is used to that door closer to be overcome to be applied, so that fire resistant doorsets are maintained at open position
Set place.The fire-fighting requirements that power-off is closed the door are better achieved.
It is hydraulic door-closer that another preferred scheme, which is door closer,；Door retainer when power is off, is discharged to fire resistant doorsets
State retention force.Door closer is constructed using hydraulic-driven, it can be during closing door without power supply, not only performance is stablized, and more preferable
The fire-fighting requirements that the compound power-off in ground is closed the door.
Another preferred scheme is that fire anti-smoke blowing device in air duct includes doorframe center pillar, and fire resistant doorsets are double-door knot
Structure；In the frame and fixed frame of fire resistant doorsets, permanent magnetic iron block is installed in one, is installed in another one in fire resistant doorsets closure
The attracting magnetic suction module with permanent magnetic iron block；Fixed frame is doorframe and/or doorframe center pillar；Fire detector is flame detector or sense
Smoke detector.
Detailed description of the invention
Fig. 1 is the twin tunnel structure intention for being equipped with the complementary ventilating system embodiment in twin tunnel of the present invention；
Fig. 2 is A partial enlarged view in Fig. 1；
Fig. 3 is B partial enlarged view in Fig. 2；
Fig. 4 is that the stereochemical structure of fire anti-smoke blowing device in air duct in the complementary ventilating system embodiment in twin tunnel of the present invention is shown
It is intended to；
Fig. 5 is C partial enlarged view in Fig. 4；
Wherein, 01- descending tunnel, 02- upward slope tunnel, the complementary ventilating system in the twin tunnel 1-, 10- laterally complementary air duct,
11- blower, the anti-smoke blowing device of the air duct 12- fire, 20- controller, 21- fire detector, 3- fire resistant doorsets, 4- retainers, 5-
Door closer, 101- signal wire, 102- signal wire, 61- doorframe, 62- doorframe center pillar, 64- permanent magnetic iron block, 65- permanent magnetic iron block.
Specific embodiment
With reference to embodiments and its attached drawing the invention will be further described.
The complementary ventilating system embodiment in twin tunnel
Referring to Fig. 1 to Fig. 5, the complementary ventilating system 1 in twin tunnel of the present invention includes for being connected to the descending tunnel being adjacently positioned
The laterally complementary air duct 10 in road 01 and upward slope tunnel 02, the blower 11 being mounted in the complementary air duct 10 of the transverse direction, and it is mounted on this
Laterally air duct fire anti-smoke blowing device 12 of the complementation air duct 10 adjacent to the one end in descending tunnel 01.Air-flow is in cross along ventilation process
Flow direction into complementary air duct 10, the i.e. direction as shown in the arrow being located in laterally complementary air duct 10 in figure, are located at laterally
The descending tunnel 01 of complementary 10 upstream side of air duct constitutes the upstream tunnels in the present embodiment, and upward slope tunnel 02 constitutes the present embodiment
In downstream tunnels.
In the present embodiment, blower 11 is constructed using axial flow blower and its auxiliary facility.
Fire anti-smoke blowing device 12 in air duct is used to open the circulation status of air in the laterally air duct in complementary air duct 10
Control is closed, controller 20, fire detector 21, fire resistant doorsets 3, door retainer 4 and door closer 5 are specifically included.Wherein, fire resistant doorsets 3
Between blower 11 and descending tunnel 01, and the opening direction of fire resistant doorsets 3 is towards upstream tunnels.
Fire detector 21 is mounted on the side wall in descending tunnel 01, and air-flow shown in arrow is in descending tunnel 01 along figure
Interior direction of travel, fire detector 21 is typically mounted on laterally 10 upstream side position of complementary air duct, specially according in distance
The laterally position in 10 substantially 10 meters or so of air duct of complementation, for being detected to the fire presentation in upstream tunnels.Wherein, " fire
When calamity presentation " is configured as fire generation, the physical phenomenon that can be detected by respective sensor produced by fire, for example, cigarette
Smoke detector, ultraviolet flame detector and temperature specifically can be used in the presentations such as mist, flame and high temperature, therefore, fire detector 21
Degree detector etc. is constructed.The installation number and specific installation site that detector 21 is visited for fire, generally according to actual conditions
It is configured, it is not limited to exemplary amounts and example installation positions in the present embodiment.
Controller 20 is mounted on the side wall in descending tunnel 01 or is mounted on the laterally side wall in complementary air duct 10, in this reality
It applies in example, to be mounted on the side wall in descending tunnel 01.Fire detector 21 is electrically connected by signal wire 101 with controller 20,
So that controller 20 can receive the detectable signal that fire detector 21 is exported.Controller 20 passes through signal wire 102 and two doors
Retainer 4 is electrically connected, with to two output control signals of door retainer 4, which is used to control the work of door retainer 4
Make state.
In the present embodiment, fire resistant doorsets 3 are double-door structure, are mounted on by doorframe 61 and doorframe center pillar 62
Laterally on the air duct side wall in complementation air duct 10, the hinged side doors frame of specially fire resistant doorsets 3 can by connection structures such as hinges
It is pivotally mounted on doorframe 61.
Door retainer 4 is mounted on the laterally side wall in complementary air duct 10, is mainly used for fire resistant doorsets 3 in the open state
It is maintained at the open position of the open state, in the present embodiment, at the position that is kept in the fully opened state, specially
The fire resistant doorsets 3 are made to be maintained at its shop front substantially along the direction arrangement for being parallel to the laterally side wall metope in complementary air duct 10, with as far as possible
Reduce the obstruction to air flow communication.
In the present embodiment, door retainer 4 is constructed using electromagnetic releaser, such as magnetictrip or electricity can be used
Magnetic gate is inhaled release and is constructed.For magnetictrip comprising the composition such as electromagnet, lever, valve block, reset spring,
Valve block is fixed on one end of lever, and reset spring is for driving lever swing to retaining positions；In use, manually
Lock is inserted into magnetictrip, and is blocked by valve block, and in the case of fire, controller 20 controls relay to electromagnetism
Iron power transmission is inhaled, drives valve block release to the clamping power of lock with the other end of magnetic lever.For electromagnetism door-inhale release, energy
Positioning can be sucked in fire resistant doorsets 3 automatically usually, when electromagnet power loss, then discharge the retentivity to fire resistant doorsets 3；Specially exist
The magnetic suction modules such as iron block, permanent magnet are installed, when the magnet on electromagnetism door-inhale release is powered, to magnetic mould on fire resistant doorsets 3
Block generates electromagnetic force and keeps fire resistant doorsets 3 at this location.
Door closer 5 at least for when the release of door retainer 4 is to the state retention forces of fire resistant doorsets, can drive fire resistant doorsets 3 from
Open position turns to closed position；In the present embodiment, it is constructed using hydraulic door-closer, wherein hydraulic door-closer structure
Non- driven type resetting-mechanism in cost implementation, the resetting-mechanism can provide the reset force for forcing fire resistant doorsets to close, certainly
, other resetting-mechanisms of the other places of hydraulic mechanism also can be used, the reset force for closing fire resistant doorsets are provided, to construct non-electric drive
Formula resetting-mechanism, for example, being constructed using resetting-mechanisms such as springs.It of courses, electrically-actuated device building also can be used and close door
Device 5, at this point, its working condition has controller 20 to be controlled, specifically, when controller 20 is released the control to the output of door retainer 4
After signal scheduled duration, then is exported to door closer 5 and close gate control signal.
During the work time, the detectable signal that fire occurs for characterization is exported when controller 20 receives fire detector 21
When, release control signal is exported to two door retainers 4, the release control signal is for controlling the release of door retainer 4 to correspondence
The state retention force of one fan fire resistant doorsets 3；DC24V operating voltage is specially exported to door retainer 4, door retainer 4 is instructed to act,
It progressively closes off, is usually only necessary to 5 seconds under the traction of door closer 5 in the fire resistant doorsets 3 for losing state retention force, can reach quick
Prevent the purpose of smoke blowing.
In order to further improve the effect of anti-smoke blowing, the fixed magnetic suction module on the frame of fire resistant doorsets, and in doorframe 61
With accordingly fixed permanent magnetic iron block 64 and permanent magnetic iron block 65 on doorframe center pillar 62, wherein magnetic suction module, which can be used, is installed in fire prevention
The permanent magnet or metal block of the edge of door 3 are constructed, and in the present embodiment, fire resistant doorsets 3 are arranged to metal edge frame structure,
When closing fire resistant doorsets, can further tense fire resistant doorsets 3, the sky between doorframe 61, doorframe center pillar 62 and fire resistant doorsets 3 is reduced
Gap improves Smoke prevention effect.For the fixed form of magnetic suction module 63, permanent magnetic iron block 64 and permanent magnetic iron block 65, can be used it is embedded with
The mode matched is bonded to be fixedly connected.
In order to reach the requirement that power-off is closed the door, preferably door holding 4 is arranged to when power is off, to discharge the shape to fire resistant doorsets 3
State retentivity is constructed for example, by using aforementioned electromagnetic door-inhale release, at this moment can adopt fire resistant doorsets 3 edge is fixed and electromagnetism
The armature that iron is used cooperatively；And door closer is arranged to non-driven type resetting-mechanism, reset force will be for that will be in opening state
The fire resistant doorsets 3 of state are reset to closed state；Under this arrangement, door retainer 4 is for overcoming non-driven type resetting-mechanism to anti-
The state reset power that vent 3 is applied, so that fire resistant doorsets 3 are maintained at the position of open state.
The anti-smoke blowing Installation practice of air duct fire
In the description of the complementary ventilating system embodiment in above-mentioned twin tunnel, to the anti-smoke blowing device of air duct fire of the present invention
The structure of embodiment is exemplarily described, and details are not described herein.
The main idea of the present invention is by the way that the anti-string of fire for opening and closing the circulation status in its air duct is arranged at air duct
Cigarette device, the secondary disaster generated with reducing the crossfire due to flue gas；According to this design, fire resistant doorsets, door closer and door are kept
Also there are many obvious variations for the structure of device, it is not limited to exemplary structure described in above-described embodiment.
Claims (10)
1. a kind of complementary ventilating system in twin tunnel including the laterally complementary air duct for being connected to adjacent two tunnel and is mounted on institute
State the blower in laterally complementary air duct；It is characterized by:
The complementary ventilating system in twin tunnel includes the wind that opening and closing control is carried out for the air duct to the laterally complementary air duct
The anti-smoke blowing device of road fire；
The anti-smoke blowing device of air duct fire includes controller, the fire for being detected to the fire presentation in upstream tunnels
Detector can open and close to be mounted on the fire resistant doorsets on the air duct side wall in the laterally complementary air duct, and being used for will be in the open state
The fire resistant doorsets be maintained at the door retainer and door closer of open position；The door closer is at least in the door retainer
When discharging the state retention force to the fire resistant doorsets, for forcing the fire resistant doorsets to act to closed state；
The controller is used for when receiving the fire detector and exporting the detectable signal for characterizing generation fire, Xiang Suoshu
Door retainer exports release control signal, and the release control signal discharges the state holding for controlling the door retainer
Power.
2. the complementary ventilating system in twin tunnel according to claim 1, it is characterised in that:
The door retainer is the electromagnetism door-inhale release that can discharge the state retention force when power is off.
3. the complementary ventilating system in twin tunnel according to claim 1, it is characterised in that:
The door closer is non-driven type resetting-mechanism, and the reset force of the resetting-mechanism forces the fire resistant doorsets to be reset to pass
Closed state；The door retainer is at least used to overcome the reset force, so that the fire resistant doorsets are maintained at the open position.
4. the complementary ventilating system in twin tunnel according to claim 3, it is characterised in that:
The door closer is hydraulic door-closer；The door retainer when power is off, discharges the state retention force.
5. according to claim 1 to the complementary ventilating system in twin tunnel described in any one of 4 claims, it is characterised in that:
The anti-smoke blowing device of air duct fire includes the doorframe and doorframe center pillar being mounted on the air duct side wall, the fire resistant doorsets
For double-door structure；In the frame and fixed frame of the fire resistant doorsets, permanent magnetic iron block is installed in one, is consolidated in another one
Equipped with the fire resistant doorsets closure when with the attracting magnetic suction module of the permanent magnetic iron block；The fixed frame be the doorframe and/or
The doorframe center pillar；
The opening direction of the fire resistant doorsets is towards the upstream tunnels；It is neighbouring that the fire resistant doorsets are mounted on the laterally complementary air duct
The end side of the upstream tunnels；
The door retainer is mounted on the air duct side wall；The door retainer is used to the fire resistant doorsets being maintained at a surface
Along the position that the direction for being parallel to the air duct side wall is arranged；
The fire detector is flame detector or smoke detector.
6. a kind of anti-smoke blowing device of air duct fire, for carrying out opening and closing control to air duct, it is characterised in that:
The anti-smoke blowing device of air duct fire includes controller, doorframe, the fire detector for being detected to fire presentation,
It can open and close to the fire resistant doorsets being mounted on the doorframe, for the fire resistant doorsets in the open state to be maintained at open position
The door retainer and door closer at place；The door closer, which is at least discharged in the door retainer, keeps the state of the fire resistant doorsets
When power, for forcing the fire resistant doorsets to act to closed state；
The controller is used for when receiving the fire detector and exporting the detectable signal for characterizing generation fire, Xiang Suoshu
Door retainer exports release control signal, and the release control signal discharges the state holding for controlling the door retainer
Power.
7. fire anti-smoke blowing device in air duct according to claim 6, it is characterised in that:
The door retainer is the electromagnetism door-inhale release that can discharge the state retention force when power is off.
8. fire anti-smoke blowing device in air duct according to claim 6, it is characterised in that:
The door closer is non-driven type resetting-mechanism, and the reset force of the resetting-mechanism forces the fire resistant doorsets to be reset to pass
Closed state；The door retainer is at least used to overcome the reset force, so that the fire resistant doorsets are maintained at the open position.
9. fire anti-smoke blowing device in air duct according to claim 8, it is characterised in that:
The door closer is hydraulic door-closer；The door retainer when power is off, discharges the state retention force.
10. according to fire anti-smoke blowing device in air duct described in any one of claim 6 to 9 claim, it is characterised in that:
The anti-smoke blowing device of air duct fire includes doorframe center pillar, and the fire resistant doorsets are double-door structure；In the fire prevention
Door frame and fixed frame in, permanent magnetic iron block is installed in one, be installed in another one the fire resistant doorsets closure when and institute
State the attracting magnetic suction module of permanent magnetic iron block；The fixed frame is the doorframe and/or the doorframe center pillar；
The fire detector is flame detector or smoke detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910338539.0A CN109958468A (en) | 2019-04-25 | 2019-04-25 | A kind of complementary ventilating system in twin tunnel and the anti-smoke blowing device of air duct fire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910338539.0A CN109958468A (en) | 2019-04-25 | 2019-04-25 | A kind of complementary ventilating system in twin tunnel and the anti-smoke blowing device of air duct fire |
Publications (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117404124A (en) * | 2023-10-23 | 2024-01-16 | 济南城建集团有限公司 | Method for critical air supply speed of end part in single-hole double-line tunnel |
| CN117404124B (en) * | 2023-10-23 | 2024-07-02 | 济南城建集团有限公司 | Method for critical air supply speed of end part in single-hole double-line tunnel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117404124A (en) * | 2023-10-23 | 2024-01-16 | 济南城建集团有限公司 | Method for critical air supply speed of end part in single-hole double-line tunnel |
| CN117404124B (en) * | 2023-10-23 | 2024-07-02 | 济南城建集团有限公司 | Method for critical air supply speed of end part in single-hole double-line tunnel |
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