CN206601894U - Fire spread analogue means in a kind of channel-style restricted clearance - Google Patents
Fire spread analogue means in a kind of channel-style restricted clearance Download PDFInfo
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- CN206601894U CN206601894U CN201720265408.0U CN201720265408U CN206601894U CN 206601894 U CN206601894 U CN 206601894U CN 201720265408 U CN201720265408 U CN 201720265408U CN 206601894 U CN206601894 U CN 206601894U
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- fire
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Abstract
The utility model discloses fire spread analogue means in a kind of channel-style restricted clearance, flue gas spreads situation after it can occur fire in experiment lab simulation channel-style restricted clearance, can study different channel widths, fire source power, room opening size on fire, influence of the room unit on fire to fire and smoke spread characteristic in restricted clearance.The present apparatus mainly includes analogue experiment installation main body, outer barricade, side wall and supporting monitoring system.The typical curtain wall class building structure of experimental provision main body basis presses 1:5 Proportionality design, exterior window size in room on fire, channel width, fire source power can adjust, and be specific to the experimental provision that the flow behavior of fire smoke in channel-style restricted clearance, Temperature Distribution, VELOCITY DISTRIBUTION, radiant heat flux distribution, window turbulent behavior etc. carry out comprehensive system research.The present apparatus is simple in construction, easy to operate, is the basis for studying fire and smoke spread characteristic and control technology in channel-style restricted clearance.
Description
Technical field
The utility model belongs to technical field of fire hazard safety, and in particular to fire smoke spreads in channel-style restricted clearance
Analogue experiment installation, for research restricted clearance internal channel width, fire source power, room opening size on fire, room unit on fire
The analogue experiment installation of characteristic influence is spread on fire smoke.
Background technology
With the fast development of China's economy, the quantity of Development of High-rise Buildings is gradually increasing, and incident high level is built
Building fire safety evaluating problem also causes people more and more widely to pay close attention to and worry, particularly 2009 CCTV's new address BeiPeiLou fire
The fire incidents several especially big such as calamity, the Jiangzhou road teacher apartment of Shanghai in 2010 fire are struck again for the fire safety evaluating of skyscraper
Alarm bell is rung.
During high-rise building with fire disaster, the level that its fire spread mainly has spreads and longitudinal direction spreads two kinds and spreads mode, right
The investigation and analysis of conventional fire of high-rise building accident, which show that the longitudinal direction of fire is spread, causes fire of high-rise building last out of control
Main cause.If in traditional skyscraper the longitudinal direction of fire spread by the exterior window of outside vertical surface of building and opening hole,
What internal Zhongting and various pipe shafts were carried out.In modern high-rise building, increase with the quantity of curtain buildingses, it is double-deck
Passage between curtain wall turns into the new way of fire spread again.Curtain wall passage belongs to restricted clearance, inquires into channel-style restricted clearance
The diffusion property of interior fiery overflow is to study the basis that can fire creep up in such building.
Good architectural fire-protection methods are the bases of fire safety in high-rise buildings.Past is vertically spread to fire of high-rise building
Research be mainly based upon window fire overflow thermal power characteristic research, the result of study is being to judge that can fire climing upwards
The basis prolonged.Yokio, Ashton, Harmathy, Oleszkiewicz, Tanaka etc. are crept up to fire by exterior window
Carried out full-scale or scale model size experimental study, discuss window shape and size, the shape in room on fire etc. because
Influence of the element to window fire overflow flow behavior, and the validity for the measure for preventing fire spread such as corniced to window still wall, fire prevention
Inquired into.But free-diffusing characteristics of the studies above both for fiery overflow in exterior space, the result of study is not
Suitable for flowing of the fiery overflow in the restricted clearances such as curtain wall.Though spreading for fire smoke falls within cigarette in restricted clearance in vertical shaft
Gas spreads, but due to vertical shaft and the greatest differences of curtain wall construction, the result of study of vertical shaft class fire and smoke spread is also not used to class
It is similar to the flat restricted clearance of curtain wall passage.For the research for spreading characteristic of fiery overflow in curtain wall passage class restricted clearance, state
Inside and outside development is generally numerical simulation study.Due to the imperfection of combustion model, turbulence model in numerical simulation, boundary condition is set
Surely the uncertainty waited, the correctness of numerical simulation result must have the inspection of experimental result.Full-scale combustion experiment is research
One of optimal laboratory facilities of fiery turbulent behavior in curtain wall, but because full-scale combustion experiment expends big, it is dangerous, and experiment
Condition is difficult to control to, and proportion of carrying out model experiment just turns into the best of fiery turbulent behavior research in curtain wall based on the theory of similarity
Selection, designing in a set of applicable channel-style restricted clearance flue gas diffusion simulations device just turns into fiery overflow in research curtain wall
The basis of flow behavior.
Utility model content
The purpose of this utility model is the provision of fire spread analogue means in a kind of channel-style restricted clearance, the device
It is the analogue experiment installation that fire smoke spreads in a kind of channel-style restricted clearance, different channel widths can be simulated in an experiment
Interior flue gas spreads situation, and the rule that spreads to fiery overflow in channel-style restricted clearance is studied.
The technical solution adopted in the utility model is fire spread analogue means, the device in a kind of channel-style restricted clearance
Including main body experimental bench 1, outer barricade 2, side wall 3, burning things which may cause a fire disaster 14 and TT＆C system.Outer barricade 2 is arranged on the outer of main body experimental bench 1
Side, is provided with side wall 3, channel-style is formed between main body experimental bench 1, outer barricade 2, side wall 3 between outer barricade 2 and main body experimental bench 1
The structure of restricted clearance；TT＆C system is distributed in main body experimental bench 1 and in channel-style restricted clearance；Burning things which may cause a fire disaster 14 is arranged on main body
In the room of experimental bench 1.
The main body experimental bench 1 is Highrise building knot that is identical with actual curtain wall construction and building by a certain percentage
Structure, main body experimental bench 1 is formed using galvanized steel plain sheet welded seal, and indoor wall, the preceding alien invasion of main body experimental bench 1 post anti-
Guncotton 6.The preceding facade both sides of main body experimental bench 1 posteriorly bending 0.5m, is each provided with side wall slot 4, for side wall 3 up and down
Insertion.The side of main body experimental bench 1 is provided with window slot 7, window of the window slot 7 to assemble each shape size, window
Connected with channel-style restricted clearance；The window of the bottom of main body experimental bench 1 is provided with room wind-supplying mouth 8 on fire.
The outer barricade 2 is made up of the anti-guncotton 6 of galvanized steel plain sheet outer patch, and outer barricade 2 is supported by outer barricade support 10, outer barricade
Four corners of support 10 are provided with truckle 9；The left and right sides posteriorly bending 0.5m, up and down place be provided with side wall slot 4, use
In the insertion of side wall 3.The centre position of outer barricade 1 is provided with glass window 5 to observe flue gas in channel-style restricted clearance
Mobility status.
The TT＆C system, including temperature measurement system, fuel mass measure of the change system, measuring system of picture and radiation
Thermal flow measurement system.The temperature measurement system is several thermocouples 13, and each thermocouple 13 is arranged in the place of burning things which may cause a fire disaster 14
Simulate in room on fire and at the window of the other floors of main body experimental bench 1.The fuel mass measure of the change system includes fuel
Food tray, cake, support, electronic balance and its device for signalling, burning things which may cause a fire disaster 14 are placed in fuel food tray, and fuel food tray is arranged on
On electronic balance, electronic balance is arranged on support, and electronic balance is connected with device for signalling, and device for signalling is to remember
Record the Expenditure Levels of burning things which may cause a fire disaster 14.Cake is erected above fuel food tray；Described image measuring system includes the flame to burning things which may cause a fire disaster 14
Two video cameras that form is recorded, two video cameras are arranged in the room on fire in main body experimental bench 1.The radiant heat
Flow Measuring System includes two radiation heatflowmeters 12 and data acquisition processing device, and a radiation heatflowmeter 12 is arranged in simulation
At the exterior window in room top on fire room, another radiation heatflowmeter 12 is arranged on outer barricade 2, two radiation heatflowmeters 12 with
Data acquisition processing device is connected, and data acquisition processing device records the heat radiation situation of radiation heatflowmeter 12.
The fuel of burning things which may cause a fire disaster 14 can simulate the combustion of a variety of fire source powers using pollution-free clean energy resourcies such as normal heptane or methanol
Burning situation.
Room on fire in main body experimental bench 1 is assembled using room prefabricated windows pattern block 11 on fire, and room on fire is pre-
Window pattern block 11 processed is U-shaped structure, can adjust the window size in room on fire.
The main body experimental bench 1 is by 1 with actual typical curtain wall construction:5 ratio is built, and is divided into multilayer, is anti-
Only Architectural fringes produce influence to fiery overflow flow behavior in restricted clearance, and experimental provision main body front side facade is in upward height side
Certain expansion is carried out to arranged on left and right sides width.All room windows, external door all can free open and close, during closing
Sealing and fire line can be ensured, the window size in room on fire can be adjusted as needed.Analogue experiment installation main body and outer gear
All walls of wall paste fire resistant cotton, identical with actual building wall heat transfer situation.
The flue gas particle simulation by tracing fire smoke effect that fire and smoke spread effect can be produced using cake, cake is erected at
Certain distance above food tray, lights fuel, then lights cake during experiment, drive cake to produce by the heat floating life power of fuel combustion
Raw flue gas spreads diffusion in experimental bench, then can be by more clearly observing simulated fire in window and restricted clearance
Flue gas spreads process facade.
Advantage of the present utility model and good effect are：
(1) burning things which may cause a fire disaster of the present utility model is using pollution-free clean energy resource pond fire, and energy burning is abundant, and fire source power is stable,
It is pollution-free, to experimenter without pessimal stimulation.
(2) the utility model fuel mass measure of the change uses and fuel is placed in food tray, and heat-insulated by thermal insulation board, can
To protect electronic balance well.
(3) the utility model is built according to the theory of similarity, fiery overflow hair that can truly in analog channel type restricted clearance
Exhibition process, it is possible to which the shape by video camera for fiery overflow is recorded.
(4) the utility model has advanced complete TT＆C system, temperature measurement system, fuel mass measure of the change system
System, radiant heat flux measuring system, image viewing system can record observation analysis in real time by computer.
(5) the utility model uses small-scale model experimental provision, and economical height, repeatability is strong, easy to operate.
(6) the utility model experimental provision main body is the BUILDINGS MODELS of multilayer, can develop progress upwards for fiery overflow
Comprehensive intuitively to observe, alien invasion has carried out a certain degree of extension in short transverse and length direction before main body, eliminates
Spread to fiery overflow the influence of characteristic in border.
(7) the utility model can be by adjusting channel width, the size in room on fire, the exterior window of channel-style restricted clearance
The flow performance of fire smoke, overcomes in size, fire source power etc., simulation different affecting factors effect lower channel type restricted clearance
Full-scale experiment is of a high price and the characteristics of inaccurate numerical simulation result, in turn ensure that the repeatable row of experiment and various
Property, for carrying out, fire smoke in channel-style restricted clearance spreads and control technology research has very big application value and guidance to anticipate
Justice.
Brief description of the drawings
Fig. 1 is the entirety that a kind of channel-style restricted clearance fire smoke described in the utility model spreads analogue experiment installation
Structural representation.
Fig. 2 is the main body that a kind of channel-style restricted clearance fire smoke described in the utility model spreads analogue experiment installation
Structural representation.
Fig. 3 is that a kind of channel-style restricted clearance fire smoke described in the utility model spreads analogue experiment installation one layer
Wall construction schematic diagram behind fiery room.
Fig. 4 is the outer gear that a kind of channel-style restricted clearance fire smoke described in the utility model spreads analogue experiment installation
Wall construction schematic diagram.
Fig. 5 is that a kind of channel-style restricted clearance fire smoke described in the utility model spreads the prefabricated of analogue experiment installation
Window type module diagram.
Fig. 6 be a kind of channel-style restricted clearance fire smoke described in the utility model spread analogue experiment installation temperature and
The arrangement schematic diagram (side view) of Heat flow site.
Fig. 7 is that a kind of channel-style restricted clearance fire smoke described in the utility model spreads the survey of analogue experiment installation temperature
The arrangement schematic diagram (top view) of point.
In figure：1- main body experimental benches；The outer barricades of 2-；3- side walls；4- side wall slots；5- glass windows；The anti-guncotton of 6-；7-
Window slot；8- mends air door in room on fire；9- truckles；The outer barricade supports of 10-；11- prefabricated windows pattern blocks in room on fire；12-
Radiation heatflowmeter；13- thermocouples；14- burning things which may cause a fire disaster.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is further described by embodiment.
Referring to Fig. 1, the chief component of analogue experiment installation include analogue experiment installation main body and adjustable berth away from
Outer barricade composition, the closing space between analogue experiment installation main body and outer barricade in both sides by inserting mutually level side wall
Baffle plate is realized.Side wall baffle plate is thin galvanized steel plain sheet, and width is 0.9m, is highly 2.7m so that experimental provision main body and outer barricade
Between the width of passage can arbitrarily be adjusted between 0~0.6m.
Referring to Fig. 2, the total a height of 2.8m of analogue experiment installation main body, width is 1.0m, and length is 5.0m.From one layer up three
Layer is provided with room, and 3 layers of level above only have alien invasion.If roomed story height 0.6m, wherein two, three layers every layer set 4 rooms
Between, room-sized is 0.8m × 1.0m × 0.6m (length × width × height), and each room possesses one 0.4m × 0.3m of an exterior window
The exterior window of (wide × high), exterior window window is upper and lower to be provided with groove, for inserting flame resistant glass block (0.5m × 0.3m), as needed
Simulate the rupture of room exterior window and non-ruptured operating mode.One layer has been set as fire bed, size and the upstairs rooms one in two rooms in left side
Cause, two, right side room is merged into a big room, for simulating scene on fire in large area office room.Room on fire
Back lower is provided with openable wicket, for mending wind if necessary.Burning things which may cause a fire disaster can may be disposed at cubicle or big room as needed
Interior, the exterior window in large and small room can be adjusted in height and width as needed, and regulation can pass through different slots
Exterior window module is realized.Facade both sides posteriorly bending 0.5m, is each provided with groove up and down before experimental provision main body, for side wall gear
The insertion of plate.
Referring to Fig. 3, outer barricade is highly identical with experimental provision main body with length, is mainly made up of pedestal and vertical baffle,
Pedestal is welded using angle steel.Vertical baffle main body pastes anti-guncotton using galvanized steel plain sheet thick 0.5mm towards burning things which may cause a fire disaster side.Outside
Barricade bottom sets transparent fire-resistant glass window, the flowing of inside smoke during for observing restricted clearance closing.Base bottom is installed
There is wheel, for adjusting the spacing between outer barricade and apparatus main body, barricade both sides bending 0.5m backward, upper and lower setting groove,
Insertion for side wall baffle plate.
What the utility model was not elaborated partly belongs to techniques well known.Although illustrating above to the utility model
The embodiment of property is described, but the utility model is not limited to the scope of embodiment.
Claims (6)
1. fire spread analogue means in a kind of channel-style restricted clearance, it is characterised in that：The device includes main body experimental bench
(1), outer barricade (2), side wall (3), burning things which may cause a fire disaster (14) and TT＆C system；Outer barricade (2) is arranged on the outside of main body experimental bench (1),
Side wall (3), shape between main body experimental bench (1), outer barricade (2), side wall (3) are provided between outer barricade (2) and main body experimental bench (1)
Into the structure of channel-style restricted clearance；TT＆C system is distributed in main body experimental bench (1) and in channel-style restricted clearance；Burning things which may cause a fire disaster
(14) in the room for being arranged on main body experimental bench (1).
2. fire spread analogue means in a kind of channel-style restricted clearance according to claim 1, it is characterised in that：It is described
Main body experimental bench (1) is Highrise building structure that is identical with actual curtain wall construction and building by a certain percentage, and main body is real
Test platform (1) to form using galvanized steel plain sheet welded seal, indoor wall, the preceding alien invasion of main body experimental bench (1) post anti-guncotton
(6)；The preceding facade both sides of main body experimental bench (1) posteriorly bending 0.5m, is each provided with side wall slot (4), for side wall up and down
(3) insertion；The side of main body experimental bench (1) is provided with window slot (7), and window slot (7) is to assemble each shape size
Window, window connects with channel-style restricted clearance；The window of main body experimental bench (1) bottom is provided with room wind-supplying mouth on fire
(8)。
3. fire spread analogue means in a kind of channel-style restricted clearance according to claim 1, it is characterised in that：It is described
Outer barricade (2) is made up of the anti-guncotton of galvanized steel plain sheet outer patch (6), and outer barricade (2) is supported by outer barricade support (10), outer barricade support
(10) four corners are provided with truckle (9)；The left and right sides posteriorly bending 0.5m, up and down place be provided with side wall slot (4),
Insertion for side wall (3)；The centre position of outer barricade (2) is provided with glass window (5) to observe channel-style restricted clearance
The mobility status of interior flue gas.
4. fire spread analogue means in a kind of channel-style restricted clearance according to claim 1, it is characterised in that：It is described
TT＆C system, including temperature measurement system, fuel mass measure of the change system, measuring system of picture and radiant heat flux measurement system
System；The temperature measurement system is several thermocouples (13), and the simulation where each thermocouple (13) is arranged in burning things which may cause a fire disaster (14) rises
In fiery room and at the window of main body experimental bench (1) other floors；The fuel mass measure of the change system include fuel food tray,
Cake, support, electronic balance and its device for signalling, burning things which may cause a fire disaster (14) are placed in fuel food tray, and fuel food tray is arranged on electricity
On sub- balance, electronic balance is arranged on support, and electronic balance is connected with device for signalling, and device for signalling is to record
The Expenditure Levels of burning things which may cause a fire disaster (14)；Cake is erected above fuel food tray；Described image measuring system includes the fire to burning things which may cause a fire disaster (14)
Two video cameras that flame form is recorded, two video cameras are arranged in the room on fire in main body experimental bench (1)；The spoke
Penetrating thermal flow measurement system includes two radiation heatflowmeters (12) and data acquisition processing device, radiation heatflowmeter (12) cloth
Put at the exterior window in simulation room top on fire room, another radiation heatflowmeter (12) is arranged on outer barricade (2), two spokes
Penetrate heat-flow meter (12) to be connected with data acquisition processing device, the heat radiation of data acquisition processing device record radiation heatflowmeter (12)
Situation.
5. fire spread analogue means in a kind of channel-style restricted clearance according to claim 1, it is characterised in that：Burning things which may cause a fire disaster
(14) fuel uses normal heptane or methanol.
6. fire spread analogue means in a kind of channel-style restricted clearance according to claim 1, it is characterised in that：Main body
Room on fire in experimental bench (1) is assembled using room prefabricated windows pattern block (11) on fire, prefabricated windows pattern in room on fire
Block (11) is U-shaped structure, can adjust the window size in room on fire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720265408.0U CN206601894U (en) | 2017-03-19 | 2017-03-19 | Fire spread analogue means in a kind of channel-style restricted clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720265408.0U CN206601894U (en) | 2017-03-19 | 2017-03-19 | Fire spread analogue means in a kind of channel-style restricted clearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206601894U true CN206601894U (en) | 2017-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720265408.0U Expired - Fee Related CN206601894U (en) | 2017-03-19 | 2017-03-19 | Fire spread analogue means in a kind of channel-style restricted clearance |
Country Status (1)
| Country | Link |
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| CN (1) | CN206601894U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106683557A (en) * | 2017-03-19 | 2017-05-17 | 北京工业大学 | Simulating device for fire spread in channel type limited space |
| CN109087474A (en) * | 2018-09-28 | 2018-12-25 | 广州市盟果科技有限公司 | A kind of rail traffic security maintenance method based on big data |
-
2017
- 2017-03-19 CN CN201720265408.0U patent/CN206601894U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106683557A (en) * | 2017-03-19 | 2017-05-17 | 北京工业大学 | Simulating device for fire spread in channel type limited space |
| CN109087474A (en) * | 2018-09-28 | 2018-12-25 | 广州市盟果科技有限公司 | A kind of rail traffic security maintenance method based on big data |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171031 Termination date: 20200319 |
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| CF01 | Termination of patent right due to non-payment of annual fee |