CN208176763U - A kind of Smoke prevention water curtain system in fire of high-rise building - Google Patents
A kind of Smoke prevention water curtain system in fire of high-rise building Download PDFInfo
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- CN208176763U CN208176763U CN201720658811.XU CN201720658811U CN208176763U CN 208176763 U CN208176763 U CN 208176763U CN 201720658811 U CN201720658811 U CN 201720658811U CN 208176763 U CN208176763 U CN 208176763U
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Abstract
A kind of Smoke prevention water curtain system the utility model relates to fire of high-rise building smoke control system, in especially a kind of fire of high-rise building.Including fire-fighting high water tank, outlet valve, filter, fire extinguisher canvas hose, pressure gauge, Water flow control valve, floor, smoke detector, hygrosensor, fire-fighting controller, water curtain water tank, flow distribution device, current equalizer, constant-current stabilizer, guiding device, continuous water curtain, shape steel bracket and door pocket；Fire extinguisher canvas hose one end is connect with fire-fighting high water tank water outlet, and the fire extinguisher canvas hose other end is connected with flow distribution device, and outlet valve, check-valves are housed on the fire extinguisher canvas hose of fire-fighting high water tank, pressure gauge and water control valve are housed on fire extinguisher canvas hose；Smoke detector, hygrosensor is arranged in door pocket central bottom, and flow control valve is controlled with smoke detector, hygrosensor by fire-fighting controller；Setting flow distribution device, current equalizer, constant-current stabilizer and guiding device, make water flow form continuous water curtain in water curtain water tank.
Description
Technical field
The utility model relates to a kind of fire of high-rise building smoke control system, especially a kind of Smoke prevention of skyscraper
Overflow water curtain system.The Smoke prevention overflow water curtain system of skyscraper at skyscraper emergency staircase cup and access door, prevents
Only flue gas enters emergency staircase, with protection staff safe escape.It belongs to skyscraper ventilation and air conditioning smoke controlling technical field.
Background technique
The characteristics of skyscraper itself, determines that the risk of fire of high-rise building is big.Be embodied in: fire generates cigarette
Gas is more, and the personnel of evacuation are more, and the wrecked personnel of fire are more, and the toxicity of flue gas is big, and fire spreading is fast, and flue gas diffusion is fast, personnel safety
Evacuation is difficult, and fire-fighting fire extinguishing is saved difficult.Thus, once fire occurs, casualties summation property loss weight.High level both domestic and external is built
It builds fire statistics data to show: being largely to be smoked extremely, ratio is more than about 75% in the personnel of fire fatality.Cause personnel
The main reason for injures and deaths is that the personnel in skyscraper cannot evacuate in time, because flue gas is choked to death.
When fire occurs, the staircase of skyscraper just becomes the main thoroughfare of vertical safety evacuation, as flue gas is not added
Control, flue gas vertical proliferation speed can be more than 3 ~ 4m/s, and the skyscraper of 100m only needs the 0.5min time, and flue gas will be from bottom
It is diffused into top layer.This requires the staircase cup of skyscraper, can prevent fires but also Smoke prevention, just has the function of safety evacuation
Energy.
In order to extend evacuation time, prevents flue gas from invading cup, reduce casualties, guarantee that fire escape is unimpeded.It is domestic
Outside at present staircase or cup Smoke prevention mode have it is following several:
(1) using openable exterior window or balcony, the smoke evacuation of recessed corridor or smoke shaft or air-intake shaft natural draught system mode: are set
Fume exhausting type.It is influenced by factors such as outdoor wind direction, wind speed, air-flows.Smoke exhaust efficiency is unstable, in addition will cause staircase or
Cup fills cigarette phenomenon, seriously affects evacuating personnel;
(2) cup mechanical smoke extraction, natural air inlet mode: flue gas can enter cup, and diffusion spreads to staircase therewith, no
Conducive to the safe escape of personnel.Flue gas is taken away using smoke exhaust fan, to reduce by the flue gas concentration of protection zone;
(3) cup mechanical pressurization, corridor fume exhausting type: vestibule pressurization makes staircase cup have enough positive pressures.Fire
When calamity occurs, Yin Men, which is opened, is difficult to keep enough positive pressures, and a large amount of flow of fresh air membership encourages the intensity of a fire;
(4) cup send fume exhausting type: when fire occurs, once cup door is opened, flue gas remains to enter the room, and influences personnel
Evacuation;
(5) the top resistance cigarette device of corridor and cup door, self-powered sky skyscraper smoke-preventing air curtain: are mounted in
Air curtain volume is larger to be difficult to arrange, needs air-intake shaft matched, and air curtain needs layer top fan to provide power source, passes through air supply tube
Road is attached thereto carry out Smoke prevention, fresh air enter corridor play the role of it is combustion-supporting;
(6) water curtain for fire-proof: back-fire relief, cold is mainly played by what drencher, temperature-sensitive deluge valve, water flow alarm device etc. formed
But, a kind of fire prevention system of buffer action.Since drencher sprays water at cascade shape, it is not used directly to fire extinguishing,
Effect is cooling simple fire protection separators (such as fire resisting shutter, fireproof curtain), improves its fire resistance, or forms fire prevention cascade resistance
Only flame passes through opening position.Main function is to prevent fires, and auxiliary is to hinder cigarette, and nozzle need to provide high pressure, energy loss compared with
Greatly.
In conclusion 1-5 mode needs ventilation equipment.Air-supply pipe fitting is difficult to manage with equipment, and the device is complicated.6 mode masters
It is used for fire prevention rather than Smoke prevention, forms cascade by multiple nozzles and prevent fires.High, increase is invested with upper type common feature
Engineering construction cost, maintenance management are inconvenient.
It is simple that there is an urgent need to structures in skyscraper, convenient for management, occupies the fire-proof smoke-proof method compared with Minor Construction space.
Structural fire protection water curtain carries out fire extinguishing and structural fire protection water curtain carries out fireproof method and has application in practical projects.But skyscraper
Fire water curtain smoke control method still belongs to blank.
Summary of the invention
The utility model aim is to provide a kind of a kind of Smoke prevention for being to provide skyscraper in view of the above shortcomings to overflow
Water curtain system is flowed, is that a kind of structure is simple, it is easy to use, do not occupy effect space, facilitates the high level of safety evacuation
Build water curtain fume-resisting system.It can prevent fire and smoke spread and the cooling grade for reducing fire resistant doorsets of fire prevention, save engineering and throw
Money.
The task of the utility model is completed by technical solution below.Develop a kind of skyscraper water curtain Smoke prevention dress
It sets, it is characterised in that: be located at skyscraper staircase cup and access door, the device of skyscraper Smoke prevention water curtain is set, lead to
The water curtain for crossing device formation stops flue gas to enter cup, and realization control effectively to the sprawling diffusion energy of flue gas.
A kind of Smoke prevention overflow water curtain system of skyscraper is to adopt the following technical solutions to achieve:
A kind of skyscraper water curtain fume-resisting system includes fire-fighting high water tank, outlet valve, filter, fire extinguisher canvas hose, pressure
Table, Water flow control valve, floor, smoke detector, hygrosensor, fire-fighting controller, water curtain water tank, flow distribution device,
Current equalizer, constant-current stabilizer, guiding device, continuous water curtain, shape steel bracket and door pocket.
Fire extinguisher canvas hose one end is connect with fire-fighting high water tank water outlet, the fire extinguisher canvas hose other end and flow distribution device phase
Even.Outlet valve, check-valves are housed on the fire extinguisher canvas hose of fire-fighting high water tank water outlet, on fire extinguisher canvas hose equipped with pressure gauge and
Water control valve.
Fire extinguisher canvas hose is arranged in below floor, and smoke detector, hygrosensor, flow control is arranged in door pocket central bottom
Valve is controlled with smoke detector, hygrosensor by fire-fighting controller.
Water curtain water tank is fixed between floor and door pocket by shape steel bracket.Setting flow distribution device in water curtain water tank,
Flow device, constant-current stabilizer and guiding device, when so that water flow is formed continuous water curtain.
Flow distribution device is connected with fire extinguisher canvas hose, distributes to water curtain water tank with making water pipe uniform flow；Assignment of traffic dress
It sets both ends and is separately connected current equalizer；Water curtain water tank wall Middle face position seals fixed constant-current device, constant-current stabilizer can weaken water
Flow disturbance reduces and is vortexed inside water flow, keeps the steady flow of water；Guiding device is connected at the overflow port of water curtain water tank front end, it is right
Water curtain, which goes out stream, to be played drainage and dredges, and shearing stress between hydrone is reduced, and water flow is to middle shrinkage after avoiding water curtain from going out to flow.
The flow distribution device is connected using round threeway both ends with flaring round tube or decrement round tube.The stream
Device is that the round tube for being bordering on water tank half length by two piece-root graftings is constituted, and equably arranges on round tube and gradually increases from the middle to both ends
Big apopore (single circular hole formula, double circular hole formula, single bar shaped cellular type etc.).
The constant-current stabilizer is using vertical baffle made of material identical with water curtain water tank material, with water curtain water tank
Seamless connection, it is ensured that water is only overflowed from upside.Has the function of stationary flow speed.
The guiding device is the arc or oblique angle guide face for being about 5cm in water curtain tank outlet forward position regular length,
It is water curtain water tank width 1/6 that width is uniformly arranged before water curtain tank outlet, highly vertical lower than water curtain water tank guide face 1cm
Partition, for dredging water flow.
A kind of smoke control method of skyscraper water curtain fume-resisting system is as follows:
In the secure state, the Water flow control valve in the branch outlet pipe of high building fire fighting high water tank connection is in
Closed state, water curtain water tank, which is in, stablizes liquid level.When fire occurs, skyscraper flue gas diffuses to corridor, flue gas concentration with
When temperature reaches certain limit, signal is conveyed fire-fighting controller by smoke detector, hygrosensor, and fire-fighting controller issues life
Order is in the open state by Water flow control valve, and water flows into water curtain water tank, flow distribution device, current equalizer is flowed through, by steady
Device and guiding device are flowed, continuous water curtain together can be formed and be used to obstruct the flue gas in corridor for high-rise buildings, and played cold
But the effect of surrounding air.
It is 1.2-1.8m3/ that the water curtain system, which provides water required for water curtain system Smoke prevention as skyscraper high water tank,
The water of h, fire water box are connect by the transmission and distribution network that pipeline and control valve form with drenching installation, and drenching installation includes flow
The structure composition of distributor, waterflow stabilization device, overflow mechanism, current equalizer, guiding device etc., water pass through high water tank
Hydrostatic head provides power, is transported to drenching installation through piping, regulating valve and pressure gauge etc..Smoke prevention drenching installation passes through fashioned iron
Bracket is fixed on the top (door about 2.0m or so) of door at staircase cup and channel.In the event of a fire in a high-rise building, fire
Alarm signal is transmitted to the control valve of Smoke prevention water curtain system, and valve receives signal and opens regulating valve, supplies to Smoke prevention drenching installation
Water, the water into drenching installation passes through assignment of traffic, current stabilization, water conservancy diversion and being specifically designed according to device weir head, in water curtain
Exit forms the water curtain that one of thickness is about 0.5 ~ 2mm.The cascade curtain has every cigarette, back-fire relief, cooling, reduces fire prevention gate leve
Not, it freely enters and leaves every cigarette place and does not influence the functions such as the visual field.It does not need to provide special power supply.
Utility model has the advantages that it takes simple and effective Smoke prevention back-fire relief design method in the design.It generates
The fire-proof smoke-proof device of water curtain has structure simple, easy to use, and do not occupy effect space, low cost, have every cigarette,
Back-fire relief, cooling reduce fire resistant doorsets rank or improve common door, do not need using ventilation equipment, freely enter and leave every cigarette place and not
Influence the functions such as the visual field.The utility model control effectively to the sprawling diffusion energy of flue gas, thoroughly improves existing smoke controlling side
The deficiency of formula guarantees safety evacuation.
Detailed description of the invention
Below in conjunction with attached drawing, the utility model is described in further detail:
Fig. 1 is skyscraper water curtain fume-resisting system schematic diagram.The label of attached drawing 1 indicates: 1 fire-fighting high water tank, 2 water outlets
Valve, 3 check-valves, 4 fire extinguisher canvas hoses, 5 pressure gauges, 6 Water flow control valves, 7 floors, 8 smoke detectors, 9 hygrosensors, 10 disappear
Proof controller, 11 water curtain water tanks, 12 flow distribution devices, 13 current equalizers, 14 constant-current stabilizers, 15 guiding devices, 16 continuous water
Curtain, 17 shape steel brackets, 18 door pockets.
Specific embodiment
Referring to attached drawing 1, a kind of skyscraper water curtain fume-resisting system include fire-fighting high water tank 1, outlet valve 2, filter 3,
Fire extinguisher canvas hose 4, pressure gauge 5, Water flow control valve 6, floor 7, smoke detector 8, hygrosensor 9, fire-fighting controller 10, water
Curtain water tank 11, flow distribution device 12, current equalizer 13, constant-current stabilizer 14, guiding device 15, continuous water curtain 16, shape steel bracket
17 and door pocket 18.
4 one end of fire extinguisher canvas hose is connect with 1 water outlet of fire-fighting high water tank, 4 other end of fire extinguisher canvas hose and flow distribution device
12 are connected.Outlet valve 2, check-valves 3 are housed on the fire extinguisher canvas hose 4 of 1 water outlet of fire-fighting high water tank, filled on fire extinguisher canvas hose 4
There are pressure gauge 5 and water control valve 6.
Fire extinguisher canvas hose is arranged in 7 lower section of floor, and smoke detector 8, hygrosensor 9, stream is arranged in 18 central bottom of door pocket
Control valve 6 and smoke detector 8, hygrosensor 9 are controlled by fire-fighting controller 10.
Water curtain water tank 11 is fixed between floor 7 and door pocket 18 by shape steel bracket 17.Setting flow point in water curtain water tank 11
With device 12, current equalizer 13, constant-current stabilizer 14 and guiding device 15, when so that water flow is formed continuous water curtain 16.
Flow distribution device 12 is connected with fire extinguisher canvas hose 4, distributes to water curtain water tank 11 with making water pipe uniform flow；Flow point
Current equalizer 13 is separately connected with 12 both ends of device；11 wall surface medium position of water curtain water tank seals fixed constant-current device 14, current stabilization
Device can weaken turbulent water, reduce and be vortexed inside water flow, keep the steady flow of water；Connect at 11 front end overflow port of water curtain water tank
Guiding device is connect, goes out stream to water curtain and play drainage to dredge, reduces shearing stress between hydrone, water flow is in after avoiding water curtain from going out to flow
Between shrink, the flow distribution device 12 is using round threeway both ends and flaring round tube or reduces round tube and is connected,.Described is equal
Flow device 13 be that the round tube for being bordering on water tank half length by two piece-root graftings is constituted, equably arranged from the middle to both ends on round tube by
Cumulative big apopore.The apopore of the current equalizer is single circular hole formula, double circular hole formula or single strip-shaped hole.
The constant-current stabilizer 14 is using vertical baffle made of material identical with 11 material of water curtain water tank, with water curtain
Water tank 11 is seamlessly connected, it is ensured that water is only overflowed from upside.Has the function of stationary flow speed.
The guiding device 15 is to export the arc or oblique angle water conservancy diversion that forward position regular length is about 5cm in water curtain water tank 11
Face, it is 11 width 1/6 of water curtain water tank that width is uniformly arranged before the outlet of water curtain water tank 11, is highly lower than 11 guide face of water curtain water tank
The vertical partition plate of 1cm, for dredging water flow.
The water curtain water source derives from fire-fighting high water tank 1, belongs to system, without consuming additional energy.
The continuous water curtain 16 being arranged between the upper layer floor 7 and door pocket 18 of staircase, the shape steel bracket 17 of water curtain water tank 11
It is fixed on water at floor 7 and door pocket 18, water curtain waterwall, cascade, the water surface body of formation control the flue gas in corridor in corridor.
Water in water curtain water tank 11 is to connect current equalizer 13 by flow distribution device 12, and set in water curtain water tank 11
It sets constant-current stabilizer 14 and guiding device 15 reaches the uniform and stable rear water curtain waterwall formed, cascade, water surface body.
The Water flow control valve door 6 that fire extinguisher canvas hose 4 connects is to receive signal by smoke detector 8 and temperature controller 9
Fire-fighting controller 10 is sent to control opening and closing and angle and adjust water curtain shape length and width, thickness, overflow length.
The fire-fighting controller is the commercially available network equipment, can be connect by network with center control platform, long-range to control
Produce water valve, Water flow adjusting valve.
A kind of smoke control method of skyscraper water curtain fume-resisting system is as follows:
In the secure state, the Water flow control valve 6 in branch outlet pipe 4 that high building fire fighting high water tank 1 connects
It is in close state, water curtain water tank 11, which is in, stablizes liquid level.When fire occurs, skyscraper flue gas diffuses to corridor, flue gas
When Pressure, Concentration, Temperature reaches certain limit, signal is conveyed fire-fighting controller 10, fire-fighting control by smoke detector 8, hygrosensor 9
The sending of device 10 order processed is in the open state by Water flow control valve 6, and water flows into water curtain water tank 11, flows through flow distribution device
12, current equalizer 13 can form continuous water curtain 16 together, for obstructing height by constant-current stabilizer 14 and guiding device 15
Flue gas in layer building corridor, and play the role of cooling surrounding air.
A kind of smoke control method of skyscraper water curtain fume-resisting system, the water curtain system is by skyscraper high water tank
There is provided water required for water curtain system Smoke prevention is 1.2-1.8m3/h.
A kind of smoke control method of skyscraper water curtain fume-resisting system, forming one of thickness at shield outlet is about
The water curtain of 0.5 ~ 2mm.
Claims (7)
1. the Smoke prevention water curtain system in a kind of fire of high-rise building, it is characterised in that: including fire-fighting high water tank, outlet valve, mistake
Filter, fire extinguisher canvas hose, pressure gauge, Water flow control valve, floor, smoke detector, hygrosensor, fire-fighting controller, water curtain
Water tank, flow distribution device, current equalizer, constant-current stabilizer, guiding device, continuous water curtain, shape steel bracket and door pocket；Fire extinguisher canvas hose
One end is connect with fire-fighting high water tank water outlet, and the fire extinguisher canvas hose other end is connected with flow distribution device, in fire-fighting high water tank
Outlet valve, check-valves are housed on the fire extinguisher canvas hose of water outlet, pressure gauge and water control valve are housed on fire extinguisher canvas hose；Fire water
Pipe is arranged in below floor, and smoke detector, hygrosensor, flow control valve and smoke detection is arranged in door pocket central bottom
Device, hygrosensor are controlled by fire-fighting controller；Water curtain water tank is fixed between floor and door pocket by shape steel bracket, water curtain water
Setting flow distribution device, current equalizer, constant-current stabilizer and guiding device in case, when so that water flow is formed continuous water curtain；Flow
Distributor is connected with fire extinguisher canvas hose, distributes to water curtain water tank with making water pipe uniform flow；Flow distribution device both ends connect respectively
Connect current equalizer；Water curtain water tank wall Middle face position seals fixed constant-current device, constant-current stabilizer can weaken turbulent water, reduce water
Stream is internal to be vortexed, and keeps the steady flow of water；Guiding device is connected at the overflow port of water curtain water tank front end, goes out stream to water curtain and play to draw
Stream is dredged, and shearing stress between hydrone is reduced, and water flow is to middle shrinkage after avoiding water curtain from going out to flow.
2. the Smoke prevention water curtain system in a kind of fire of high-rise building according to claim 1, it is characterised in that: the stream
Amount distributor is connected using round threeway both ends with flaring round tube or decrement round tube.
3. the Smoke prevention water curtain system in a kind of fire of high-rise building according to claim 1, it is characterised in that: described is equal
Flowing device is be made of the round tube of two water tank half length, and equably arrangement is gradually increased from the middle to both ends on round tube
Apopore.
4. the Smoke prevention water curtain system in a kind of fire of high-rise building according to claim 3, it is characterised in that: described is equal
The apopore for flowing device is single circular hole formula, double circular hole formula or single strip-shaped hole.
5. the Smoke prevention water curtain system in a kind of fire of high-rise building according to claim 1, it is characterised in that: described is steady
Stream device is seamlessly connected with water curtain water tank, it is ensured that water using vertical baffle made of material identical with water curtain water tank material
It is only overflowed from upside, has the function of stationary flow speed.
6. the Smoke prevention water curtain system in a kind of fire of high-rise building according to claim 1, it is characterised in that: described leads
Stream device is in the arc or oblique angle guide face that water curtain tank outlet forward position regular length is 5cm, before water curtain tank outlet
Even setting width is water curtain water tank width 1/6, is highly lower than the vertical partition plate of water curtain water tank guide face 1cm, for dredging water flow.
7. the Smoke prevention water curtain system in a kind of fire of high-rise building according to claim 1, it is characterised in that: described disappears
Proof controller is the network equipment, is connect by network with center control platform, and outlet valve, Water flow adjusting valve are remotely controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720658811.XU CN208176763U (en) | 2017-06-08 | 2017-06-08 | A kind of Smoke prevention water curtain system in fire of high-rise building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720658811.XU CN208176763U (en) | 2017-06-08 | 2017-06-08 | A kind of Smoke prevention water curtain system in fire of high-rise building |
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| Publication Number | Publication Date |
|---|---|
| CN208176763U true CN208176763U (en) | 2018-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720658811.XU Active CN208176763U (en) | 2017-06-08 | 2017-06-08 | A kind of Smoke prevention water curtain system in fire of high-rise building |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107158601A (en) * | 2017-06-08 | 2017-09-15 | 南京工业大学 | A kind of unpowered Smoke prevention water curtain system in fire of high-rise building |
| CN113538836A (en) * | 2021-06-28 | 2021-10-22 | 唐山微探电子设备有限公司 | Alarm device with protection function for fire detector and operation method thereof |
| CN114904176A (en) * | 2022-05-05 | 2022-08-16 | 安徽理工大学 | Intelligent water recycling fire prevention separation water curtain system |
-
2017
- 2017-06-08 CN CN201720658811.XU patent/CN208176763U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107158601A (en) * | 2017-06-08 | 2017-09-15 | 南京工业大学 | A kind of unpowered Smoke prevention water curtain system in fire of high-rise building |
| CN107158601B (en) * | 2017-06-08 | 2022-09-20 | 南京工业大学 | Unpowered smoke-proof water curtain system in high-rise building fire |
| CN113538836A (en) * | 2021-06-28 | 2021-10-22 | 唐山微探电子设备有限公司 | Alarm device with protection function for fire detector and operation method thereof |
| CN113538836B (en) * | 2021-06-28 | 2022-06-03 | 唐山微探电子设备有限公司 | Alarm device with protection function for fire detector and operation method thereof |
| CN114904176A (en) * | 2022-05-05 | 2022-08-16 | 安徽理工大学 | Intelligent water recycling fire prevention separation water curtain system |
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