CN208176762U - Water curtain smoke prevention system in high-rise building fire - Google Patents
Water curtain smoke prevention system in high-rise building fire Download PDFInfo
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- CN208176762U CN208176762U CN201720658779.5U CN201720658779U CN208176762U CN 208176762 U CN208176762 U CN 208176762U CN 201720658779 U CN201720658779 U CN 201720658779U CN 208176762 U CN208176762 U CN 208176762U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 277
- 239000000779 smoke Substances 0.000 title abstract description 31
- 230000002265 prevention Effects 0.000 title abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000003381 stabilizer Substances 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 239000002356 single layer Substances 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 16
- 239000010410 layer Substances 0.000 claims description 10
- 230000002146 bilateral effect Effects 0.000 claims description 8
- 230000001413 cellular effect Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- -1 guiding device Substances 0.000 claims 1
- 238000009423 ventilation Methods 0.000 abstract description 4
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 18
- 239000003546 flue gas Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 11
- 235000019504 cigarettes Nutrition 0.000 description 9
- 238000001816 cooling Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 4
- 239000003517 fume Substances 0.000 description 4
- 230000009970 fire resistant effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000034994 death Effects 0.000 description 2
- 231100000517 death Toxicity 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model relates to a water curtain smoke protection system in high-rise building conflagration. The system is characterized in that a water curtain system is arranged at the front room and the access door of the evacuation stairwell of the high-rise building, so that smoke is prevented from entering the evacuation stairwell, and personnel are protected from being safely evacuated. Which belongs to the technical field of smoke prevention and discharge of ventilation air conditioners of high-rise buildings. The fire-fighting water curtain water tank comprises a fire-fighting water inlet pipe, a pressure gauge, a filter, a flow control valve, a flow stabilizing device, a flow distribution device, a flow equalizing device, a flow guide device, a water curtain water tank, a floor slab, a profile steel bracket, a door pocket and a continuous water curtain; connect flow distributor behind manometer, filter and the flow control valve by the fire control inlet tube, the water curtain water storage device that gets into behind the flow straightener, the water curtain water tank is fixed between floor and door pocket by the shaped steel support, is provided with current stabilizer, guiding device in the water curtain water tank, makes rivers form continuous water curtain.
Description
Technical field
It is that water curtain system is set to high level to build the utility model relates to a kind of fire of high-rise building smoke control system
It builds at emergency staircase cup and access door, prevents flue gas from entering emergency staircase, with protection staff safe escape.It belongs to height
Layer building ventilation 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 natural draught system mode: it is discharged fume or is set smoke shaft or air-intake shaft using openable exterior window or balcony, recessed corridor
Fume exhausting type.It is influenced by factors such as outdoor wind direction, wind speed, air-flows.Smoke exhaust efficiency is unstable, or even will cause staircase or preceding
Room fills cigarette phenomenon, seriously affects evacuating personnel；
2 cup mechanical smoke extractions, 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 pressurizations, corridor fume exhausting type: vestibule pressurization makes staircase cup have enough positive pressures.Fire
When generation, 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 cups send fume exhausting type: when fire occurs, once cup door is opened, flue gas remains to enter the room, and influences personnel
Evacuation；
5 skyscraper smoke-preventing air curtains: the top resistance cigarette device of corridor and cup door, self-powered sky are mounted in
Air curtain volume is larger to be difficult to arrange, needs air-intake shaft matched, and non-power air curtain needs layer top fan to provide power source, is passed through
Air supply duct 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: by high pressure drencher, temperature-sensitive deluge valve, water flow alarm device etc. form mainly rise back-fire relief,
A kind of cooling, buffer action fire prevention system.Since drencher sprays water at cascade shape, it is not used directly to fire extinguishing,
Its 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 modes are mainly used for
Fire prevention rather than Smoke prevention, by multiple nozzles formed cascade prevent fires.Height is invested with upper type common feature, increases 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 water curtain fume-resisting system of skyscraper in view of the above shortcomings, is one
Kind structure is simple, easy to use, does not occupy effect space, the skyscraper water curtain fume-resisting system of safety evacuation.It was both
Fire and smoke spread can be prevented, and the cooling grade for reducing fire resistant doorsets that can prevent fires, cost saving.The task of the utility model be by
What technical solution below was completed.Develop a kind of skyscraper water curtain fume-resisting system, it is characterised in that: be located at skyscraper stair
Between at cup and access door, the device of skyscraper Smoke prevention water curtain is set, before stopping flue gas to enter by the water curtain that device is formed
Room, realization control effectively to the sprawling diffusion energy of flue gas.
A kind of water curtain fume-resisting system of skyscraper is to adopt the following technical solutions to achieve: a kind of water curtain of skyscraper is anti-
Cigarette system include fire-fighting water inlet pipe, pressure gauge, filter, flow control valve, constant-current stabilizer, flow distribution device, current equalizer,
Guiding device, water curtain water tank, floor, shape steel bracket, door pocket and continuous water curtain.
Flow distribution device, current equalizer are followed by by fire-fighting water inlet pipe connection pressure gauge, filter and flow control valve
Enter water curtain water storage device afterwards.Water curtain water tank is fixed between floor and door pocket by shape steel bracket.It is provided in water curtain water tank steady
Device, guiding device are flowed, water flow is made to form continuous water curtain.The flow distribution device includes tapering type, balance-type, flaring
Formula.In the flow distribution device it is tapering type be connected respectively with two tapered round tubes by round threeway form, have point
Sparge pipe water flow reduces the flow resistance of water, increases water in the effect of current equalizer outlet mean flow rate.The balance-type
It is to be connected to constitute balance tubular type stream out with two straight pipes respectively by round threeway, there is distribution water pipe water flow, reduce water
The effect of flow resistance.The gradual-enlargement type is connected with two flaring round tubes respectively by round threeway to be formed, and has distribution
Water pipe water flow reduces the flow resistance of water, reduces water in the effect of current equalizer outlet mean flow rate.The current equalizer
Including single circular hole formula, double circular hole formula or single bar shaped cellular type.
The current equalizer is that the round tube for being bordering on water tank half length by two piece-root graftings is constituted, and single circular hole formula is in circle
A certain number of round apopores are evenly arranged on pipe, aperture is gradually increased from the middle to both ends；Its act on be to maintain it is each go out
The flow and speed at the mouth of a river are uniform；Double circular hole formula.It is the circular hole arranged above and below round tube such as formula, current equalizer is formed
It is double-deck uniformly to go out to flow；Single bar shaped cellular type is that the bar shaped water outlet for subtracting expansion from the middle to both ends is arranged on round tube, is
From centre to both ends, discharge pressure is identical for holding, realizes uniformly water outlet.
The water curtain can be unilateral for single layer, and double-deck unilateral, the double-deck bilateral: single layer unilateral side is in door pocket single-sided arrangement water curtain
System.The water pipe for flowing to flow distribution device is arranged in door pocket, and water curtain single layer goes out to flow；The double-deck unilateral side is that another single layer is unilateral
Water curtain water tank is arranged symmetrically, and two layers goes out to flow, and the double-deck water curtain is uniformly set and door pocket outside；The double-deck bilateral water curtain is will be another kind of
The single layer water curtain being similar to is arranged symmetrically in two layers of door pocket, and two water pipes for flowing to flow distribution device are arranged in door pocket.
The constant-current stabilizer is to be less than water curtain water tank rear wall in water curtain water tank intermediate arrangement height, before being greater than water curtain water tank
The solid baffle on edge, baffle edge is all made of sealant and water tank seals, it is ensured that water is only overflowed from upside.With stationary flow
The effect of speed.
The guiding device includes arc water conservancy diversion, oblique angle water conservancy diversion, is to be about in water curtain tank outlet forward position regular length
The arc or oblique angle guide face of 5cm, it is water curtain water tank width 1/6 that width is uniformly arranged before water curtain tank outlet, is highly lower than
The vertical partition plate of water curtain water tank guide face 1cm, for dredging water flow.
A kind of water curtain smoke control method of skyscraper is as follows:
When fire occurs, water flow enters flow distribution device through pressure gauge, filter, flow control valve from fire-fighting water inlet pipe
And enter water curtain water tank after current equalizer, then by water curtain water tank constant-current stabilizer, formed after guiding device and connect together
Continuous water curtain is used to obstruct the flue gas in corridor for high-rise buildings, and plays the role of cooling surrounding air.
The water curtain smoke control method can provide water required for water curtain system Smoke prevention as skyscraper high water tank or recirculated water
About 1.2-1.8m3/h is measured, water is connect by the transmission and distribution network that pipeline and control valve form with drenching installation, and drenching installation includes
The structure composition of flow distribution device, waterflow stabilization device, overflow mechanism, current equalizer, guiding device etc., water pass through high-order water
The hydrostatic head of case or the circulating pump of circulation provide power, are transported to water curtain through piping, regulating valve and pressure gauge etc.
Device.Smoke prevention drenching installation is fixed on the upper department about 2.0m or so of door at staircase cup and channel by shape steel bracket.When
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 water to Smoke prevention drenching installation, into drenching installation water by assignment of traffic, current stabilization, water conservancy diversion and according to device weir
Upper head is specifically designed, and the water curtain that one of thickness is about 0.5 ~ 2mm is formed at shield outlet.The cascade curtain have every
Cigarette, cooling, reduces fire resistant doorsets rank at back-fire relief, freely enters and leaves every cigarette place and does not influence the functions such as the visual field.
Utility model has the advantages that it takes simple and effective Smoke prevention back-fire relief design method in the design.It generates
Smoke prevention drenching installation has structure simple, easy to use, and do not occupy effect space, low cost, has every cigarette, back-fire relief, cold
But, reduce fire resistant doorsets rank or improve common door, do not need freely to enter and leave every cigarette place using ventilation equipment and do not influence the visual field
Etc. functions.The utility model control effectively to the sprawling diffusion energy of flue gas, thoroughly improves the deficiency of existing smoke controlling mode,
Guarantee safety evacuation.
Detailed description of the invention
Below in conjunction with attached drawing, the utility model is described in further detail:
Fig. 1 is a kind of water curtain fume-resisting system schematic diagram of skyscraper；
Fig. 2 is a kind of flow distribution device schematic diagram of the water curtain fume-resisting system of skyscraper；
Fig. 3 is a kind of current equalizer schematic diagram of the water curtain fume-resisting system of skyscraper；
Fig. 4 is a kind of guiding device schematic diagram of the water curtain fume-resisting system of skyscraper；
Fig. 5 is a kind of water curtain structure schematic diagram of the water curtain fume-resisting system of skyscraper.
The label of attached drawing 1 indicates: 1 fire-fighting water inlet pipe, 2 pressure gauges, 3 filters, 4 flow control valves, 5 constant-current stabilizers, 6 streams
Measure distributor, 7 current equalizers, 8 guiding devices, 9 water curtain water tanks, 10 floors, 11 shape steel brackets, 12 door pockets, 13 continuous water curtains.
Label in attached drawing 2,3,4 indicates: the tapering type current divider of 6-1,6-3 balance-type current divider, 6-3 gradual-enlargement type shunt
Device, the single round current equalizer of 7-1,7-2 double-row circular current equalizer, the single bar shaped current equalizer of 7-3,8-1 arc water conservancy diversion dress
Setting 8-1a is front view, and 8-1b is top view, and 8-1c is side view, the oblique angle 8-2 guiding device.
The label of attached drawing 5 indicates: A-1-1 single layer unilateral side water curtain section, the double-deck unilateral water curtain section of A-1-2, and A-1-3 is double-deck
Bilateral water curtain section.
Specific embodiment
Referring to attached drawing 1-5, a kind of water curtain fume-resisting system of skyscraper includes fire-fighting water inlet pipe 1, pressure gauge 2, filter
3, flow control valve 4, constant-current stabilizer 5, flow distribution device 6, current equalizer 7, guiding device 8, water curtain water tank 9, floor 10, type
Steel bracket 11, door pocket 12 and continuous water curtain 13.
Pressure gauge 2, filter 3 and flow control valve 4 are connected by fire-fighting water inlet pipe 1 and are followed by flow distribution device 6, is flowed
Enter water curtain water storage device 9 after device 7.Water curtain water tank 19 is fixed between floor 10 and door pocket 12 by shape steel bracket 11.Water curtain
It is provided with constant-current stabilizer 5, guiding device 8 in water tank 9, water flow is made to form continuous water curtain 13.The flow distribution device 6 includes
Tapering type 6-1, balance-type 6-2, gradual-enlargement type 6-3.Tapering type 6-1 is distinguished by round threeway in the flow distribution device 6
Be connected composition with two tapered round tubes, has distribution water pipe water flow, reduces the flow resistance of water, increases water in current equalizer
The effect of 7 outlet mean flow raties.The balance-type 6-2 is to be connected to constitute balance pipe with two straight pipes respectively by round threeway
Formula goes out to flow, and has distribution water pipe water flow, reduces the effect of the flow resistance of water.The gradual-enlargement type 6-3 is by round threeway
Be connected with two flaring round tubes composition respectively, has distribution water pipe water flow, reduces the flow resistance of water, reduces water and is flowing
The effect of the outlet of device 7 mean flow rate.The current equalizer 7 is that the round tube for being bordering on water tank half length by two piece-root graftings is constituted,
Single circular hole formula 7-1 is that a certain number of round apopores are evenly arranged on round tube, and aperture gradually increases from the middle to both ends
Greatly；It acts on the flow for being to maintain each water outlet and speed is uniform；Double circular hole formula 7-2.It is arrangement such as 7-1 above and below round tube
The circular hole of formula enables current equalizer 7 to form the double-deck uniform stream out；Single bar shaped cellular type 7-3 is that one is arranged on round tube
Subtract the bar shaped water outlet of expansion from the middle to both ends, discharge pressure is identical from centre to both ends for holding, realizes uniformly water outlet.
The water curtain can be single layer unilateral side A-1-1, bilayer unilateral side A-1-2, the double-deck bilateral A-1-3.Single layer unilateral side A-1-1
It is in door pocket single-sided arrangement water curtain system.The water pipe for flowing to flow distribution device is arranged in door pocket, and water curtain single layer goes out to flow；It is double-deck
Unilateral A-1-2 is to be arranged symmetrically another single layer unilateral side water curtain water tank 9, and two layers goes out to flow, and the double-deck water curtain is uniformly set and door pocket
Outside；The double-deck bilateral A-1-3 water curtain is to be arranged symmetrically in another like two layers of door pocket in the single layer water curtain of A-1-1, flow direction stream
Two water pipes of amount distributor are arranged in door pocket.
The constant-current stabilizer 5 is to be less than 9 rear wall of water curtain water tank in 9 intermediate arrangement height of water curtain water tank, is greater than water curtain water
The solid baffle in 9 forward position of case, baffle edge is all made of sealant and water tank seals, it is ensured that water is only overflowed from upside.With steady
Determine the effect of water flow velocity.
The guiding device 8 includes arc water conservancy diversion 8-1, oblique angle water conservancy diversion 8-2.It is to export forward position in water curtain water tank 9 to fix
The arc or oblique angle guide face that length is about 5cm, it is 9 width 1/ of water curtain water tank that width is uniformly arranged before the outlet of water curtain water tank 9
6, highly it is lower than the vertical partition plate of 9 guide face 1cm of water curtain water tank, for dredging water flow.The water curtain water source comes as shown in Figure 4
Derived from can be fire-fighting high water tank or other fire storage equipment.
The continuous water curtain 13 being arranged between the upper layer floor 10 and door pocket 12 of staircase, the shape steel bracket 11 of water curtain water tank 9
Be fixed at floor 10 and door pocket 12, can be single layer unilateral side formula A-1-1, bilayer unilateral side formula A-1-2, the double-deck bilateral formula A-3-3 from
And water curtain waterwall, cascade, the water surface body formed controls the flue gas in corridor in corridor.
Water in water curtain water tank 9 is to connect current equalizer 7 by flow distribution device 6, and be arranged surely in water curtain water tank 9
Water curtain waterwall, the cascade, water surface body that stream device 5 and guiding device 8 are formed after reaching uniform and stable.Wherein flow distribution device 6
It can be tapering type 6-1, balance-type 6-2, gradual-enlargement type 6-3 etc.；Current equalizer 7 can be single circular hole 7-1, double circular hole 7-2, it is single
The forms such as strip-shaped hole 7-3；Guiding device 8 can be arc water conservancy diversion 8-1, oblique angle water conservancy diversion 8-2 etc..
A kind of water curtain smoke control method of skyscraper is as follows:
When fire occurs, for water flow from fire-fighting water inlet pipe 1 through pressure gauge 2, filter 3, flow control valve 4 enters assignment of traffic
Enter water curtain water tank 9 after device 6, flow distribution device 6 and current equalizer 7, then by the constant-current stabilizer in water curtain water tank
5, continuous water curtain 13 together is formed after guiding device 8 and is used to obstruct the flue gas in corridor for high-rise buildings, and is played empty around cooling
The effect of gas.
A kind of water curtain smoke control method of skyscraper, the water curtain smoke control method is by skyscraper high water tank or follows
It is 1.2-1.8m3/h that ring water, which provides water required for water curtain system Smoke prevention,.
A kind of water curtain smoke control method of skyscraper, forming one of thickness at shield outlet is about 0.5 ~ 2mm
Water curtain.
Claims (7)
1. water curtain fume-resisting system in a kind of fire of high-rise building, it is characterised in that: including fire-fighting water inlet pipe, pressure gauge, filter,
Flow control valve, constant-current stabilizer, flow distribution device, current equalizer, guiding device, water curtain water tank, floor, shape steel bracket, door
Set and continuous water curtain；Flow distribution device is followed by by fire-fighting water inlet pipe connection pressure gauge, filter and flow control valve, is flowed
Enter water curtain water storage device after device, water curtain water tank is fixed between floor and door pocket by shape steel bracket, setting in water curtain water tank
There are constant-current stabilizer, guiding device, water flow is made to form continuous water curtain.
2. water curtain fume-resisting system in a kind of fire of high-rise building according to claim 1, it is characterised in that: the flow
Distributor includes tapering type, balance-type, gradual-enlargement type；In the flow distribution device it is tapering type be by round threeway respectively with
Two tapered round tubes are connected composition, have distribution water pipe water flow, reduce the flow resistance of water, increase water and go out in current equalizer
The effect of mouth mean flow rate；The balance-type be connected respectively with two straight pipes by round threeway constitute balance tubular type go out
Stream has distribution water pipe water flow, reduces the effect of the flow resistance of water；The gradual-enlargement type is by round threeway respectively with two
A flaring round tube is connected composition, has distribution water pipe water flow, reduces the flow resistance of water, reduces water and exports in current equalizer
The effect of mean flow rate.
3. water curtain fume-resisting system in a kind of fire of high-rise building according to claim 1, it is characterised in that: the stream
Device includes single circular hole formula, double circular hole formula or single bar shaped cellular type.
4. water curtain fume-resisting system in a kind of fire of high-rise building according to claim 1 or 3, it is characterised in that: described
Current equalizer is made of the round tube of two water tank half length, and single circular hole formula is that certain amount is evenly arranged on round tube
Round apopore, aperture is gradually increased from the middle to both ends, effect be to maintain each water outlet flow and speed it is uniform；
Double circular hole formula is the circular hole arranged above and below round tube such as formula, and current equalizer is enabled to form the double-deck uniform stream out；Single bar shaped
Cellular type is that the bar shaped water outlet for subtracting expansion from the middle to both ends is arranged on round tube, to keep from centre to both ends water outlet pressure
Power is identical, realizes uniformly water outlet.
5. water curtain fume-resisting system in a kind of fire of high-rise building according to claim 1, it is characterised in that: the water curtain
Can be unilateral for single layer, double-deck unilateral, the double-deck bilateral；Single layer unilateral side is to flow to assignment of traffic in door pocket single-sided arrangement water curtain system
The water pipe of device is arranged in door pocket, and water curtain single layer goes out to flow；The double-deck unilateral side is to be arranged symmetrically another single layer unilateral side water curtain water tank,
And two layers goes out to flow, and the double-deck water curtain is uniformly set and door pocket outside；The double-deck bilateral water curtain is to be arranged symmetrically in another single layer water curtain
Two layers of door pocket, two water pipes for flowing to flow distribution device are arranged in door pocket.
6. water curtain fume-resisting system in a kind of fire of high-rise building according to claim 1, it is characterised in that: the current stabilization
Device is to be less than water curtain water tank rear wall in water curtain water tank intermediate arrangement height, greater than the solid baffle in water curtain water tank forward position, baffle
Edge is all made of sealant and water tank seals, it is ensured that water is only overflowed from upside, has the function of stationary flow speed.
7. water curtain fume-resisting system in a kind of fire of high-rise building according to claim 1, it is characterised in that: the water conservancy diversion
Device includes arc water conservancy diversion, oblique angle water conservancy diversion；It is in the arc or oblique angle water conservancy diversion that water curtain tank outlet forward position regular length is 5cm
Face, it is water curtain water tank width 1/6 that width is uniformly arranged before water curtain tank outlet, highly lower than water curtain water tank guide face 1cm's
Vertical partition plate, for dredging water flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720658779.5U CN208176762U (en) | 2017-06-08 | 2017-06-08 | Water curtain smoke prevention system in high-rise building fire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720658779.5U CN208176762U (en) | 2017-06-08 | 2017-06-08 | Water curtain smoke prevention system in high-rise building fire |
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| Publication Number | Publication Date |
|---|---|
| CN208176762U true CN208176762U (en) | 2018-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720658779.5U Active CN208176762U (en) | 2017-06-08 | 2017-06-08 | Water curtain smoke prevention system in high-rise building fire |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107174771A (en) * | 2017-06-08 | 2017-09-19 | 南京工业大学 | Water curtain smoke prevention method and water curtain smoke prevention system in high-rise building fire |
-
2017
- 2017-06-08 CN CN201720658779.5U patent/CN208176762U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107174771A (en) * | 2017-06-08 | 2017-09-19 | 南京工业大学 | Water curtain smoke prevention method and water curtain smoke prevention system in high-rise building fire |
| CN107174771B (en) * | 2017-06-08 | 2022-11-04 | 南京工业大学 | Water curtain smoke prevention method and water curtain smoke prevention system in high-rise building fire |
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