CN107990313A - A kind of direction and reconfigurable are used for simulating the burner apparatus of vertical burning things which may cause a fire disaster - Google Patents
A kind of direction and reconfigurable are used for simulating the burner apparatus of vertical burning things which may cause a fire disaster Download PDFInfo
- Publication number
- CN107990313A CN107990313A CN201711335712.9A CN201711335712A CN107990313A CN 107990313 A CN107990313 A CN 107990313A CN 201711335712 A CN201711335712 A CN 201711335712A CN 107990313 A CN107990313 A CN 107990313A
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- China
- Prior art keywords
- burner
- cause
- fire disaster
- burning things
- reconfigurable
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
The invention discloses the burner apparatus that a kind of direction and reconfigurable are used for simulating vertical burning things which may cause a fire disaster, including burner housing body, gas burning things which may cause a fire disaster multi-orifice burner and burner base, multi-orifice burner is put in burner base, top covering shell body, internal diameter and the multi-orifice burner of shell body are seamlessly connected.The present invention can simulate the vertical burning things which may cause a fire disaster of any direction and configured openings by varying the direction of the shape of shell body, size and opening, be research it is a variety of in the case of opening overflow fire behavior evolution process and its physics law a kind of effective device is provided.Three chief components of the invention, flexibly dismantle between gas burning things which may cause a fire disaster multi-orifice burner, shell body and burner base, can carry out a variety of assemblings, using flexible.Single unit system of the present invention carries roller, is moved easily;Burner base carries telescopic rod, continuously adjustable height.Be content with very little the selection to experimental situation and the requirement to crater height.
Description
Technical field
The invention belongs to technical field of fire hazard safety, and in particular to a kind of direction and reconfigurable are used for simulating vertical burning things which may cause a fire disaster
Burner apparatus, the mouth sprawling of opening fire for being experimental simulation in the case of a variety of, studies its evolution process and its physics law and provides
A kind of effective method.
Background technology
In Fire Science, foraminous gas burner is widely used as simulation fire source.Gas burning things which may cause a fire disaster is in combustion process
In influenced smaller by Fire Radiation feedback, fixed heat release rate can be kept, there is provided one kind establishes burning things which may cause a fire disaster and stablizes combustion
Burn the effective means of theoretical model.Tang Fei et al. is by gas burning things which may cause a fire disaster under different fire source powers and McCaffrey to flame height
Theoretical model is contrasted, and the index and theoretical value for finding the plume temperature rise fitting in interval plume area and bouyant plume area more connect
Closely.Gao et al. square gas burning things which may cause a fire disaster multi-orifice burners of 15cm, compared for gas burning things which may cause a fire disaster in open space and tunnel and exist
15.94-106.28kW flame height in the range of simultaneously establishes projected relationship formula.Kurioka etc. have studied tunnel longitudinal ventilation
Under the conditions of gas burning things which may cause a fire disaster flame change of pitch angle.In all the studies above, gas burning things which may cause a fire disaster multi-orifice burner produces upward float
Power plume.
For skyscraper, indoor generation fire, when indoor oxygen is not enough to maintain burning, flame and high temperature unreacted fuel gas
Body is from outflow outside window, forms overflow fire at glass breaking on the window or curtain wall of opening.The buildingsurface face of various shapes with
And the opening that the randomness of glass breaking overflows flame shows different shapes, including square, rectangle, arc etc. are simultaneously
And crater is perpendicular to horizontal plane.If flame is overflowed in loft inclined roof, crater can be with the horizontal different inclination angles.
In addition, at present in the boiler of industrial application, to ensure that stove body temperature is uniform, combustor can be sprayed into furnace body at a certain angle
Go out flame and high-temperature flue gas.Original gas burning things which may cause a fire disaster multi-orifice burner can only produce flame straight up, can not change fire
The direction of flame.In addition, change on original gas burning things which may cause a fire disaster multi-orifice burner the shape of crater for irregular polygon and
Arc etc., can increase technologic difficulty and economy is poor.Therefore, under above-mentioned scene, cannot then expire as simulation fire source
Sufficient demand.
The content of the invention
It is an object of the invention to provide a kind of vertical burning things which may cause a fire disaster burner apparatus that can simulate a variety of open conditions, and should
Shape, size and the opening of burner towards adjustable, be experimental simulation it is a variety of in the case of opening overflow fire behavior, study it and drill
Change process and its physics law provide a kind of effective method.
The technical solution adopted by the present invention is:A kind of direction and reconfigurable are used for simulating the burner dress of vertical burning things which may cause a fire disaster
Put, including three burner housing body, gas burning things which may cause a fire disaster multi-orifice burner, burner base major parts.Multi-orifice burner is put in
In burner base, top covering shell body, internal diameter and the multi-orifice burner of shell body are seamlessly connected.
The burner housing body is made of 3-tier architecture, and outermost is one layer of iron sheet 2, and 0.008m thickness is posted in inside
Fire-proof plate 3, is inwardly the heat-preservation cotton 4 of 0.01m thickness, and the heat for effectively reducing enclosure interior scatters and disappears.
The burner housing body can simulate arbitrary shape, size, the vertical burning things which may cause a fire disaster for the direction that is open.
The burner housing body right flank is completely open, and right openings simulate shape (four sides needed for vertical burning things which may cause a fire disaster
Shape, arc, trapezoidal etc.), bottom surface reserves the opening identical with required burner upper surface size shape at left surface.
The burner housing body is placed on shell body supporting rack, shell body bottom inner diameter and the porous combustion of gas burning things which may cause a fire disaster
Burner is seamlessly connected.
The shape of the gas burning things which may cause a fire disaster multi-orifice burner upper surface is related with 1 lateral opening of burner housing body.Side
Opening is using the straight line of base point-to-point transmission as axis, and inverse (suitable) hour hands are rotated by 90 °, and projection of shape in the horizontal plane is gas burning things which may cause a fire disaster
The shape of 5 upper surface of multi-orifice burner.
The gas burning things which may cause a fire disaster multi-orifice burner 5 can be that monolithic porous burner can also be the more of multiple combination of monomers
Hole burner, such as a kind of patent No. Publication No. CN106765100A (porous combustions for simulating different sizes, shaped gas burning things which may cause a fire disaster
Burner composite module).
The gas burning things which may cause a fire disaster multi-orifice burner is on the outside of the tetragonous rod structure for playing rectified action close to the place of upper surface
Weld shell body supporting rack.
Placing burning device base below the multi-orifice burner.
The burner base has flexible foot lever continuously adjustable height, is moved with roller.
The advantages and positive effects of the present invention are:
(1) present invention by varying the shape of shell body, size and opening direction, can simulate it is a variety of in the case of
Mouth of opening fire is spread, and a kind of effective method is provided to study its evolution process and its physics law.
(2) three chief components of the invention, it is clever between gas burning things which may cause a fire disaster multi-orifice burner, shell body and burner base
Dismounting living, can carry out a variety of assemblings, using flexible.
(3) single unit system of the present invention carries roller, is moved easily;Burner base carries telescopic rod, continuously adjustable
Highly.Be content with very little the selection to experimental situation and the requirement to crater height.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention;
Fig. 2 is the burner apparatus of vertical direction rectangle crater;
Fig. 3 is the burner apparatus of vertical direction arc crater;
Fig. 4 is the burner apparatus for changing crater inclination angle;
Fig. 5 is the burner apparatus of the double craters of offside;
Figure label:1- burner housing bodies;2- iron sheets;3-0.008m thick fire-proof plate;4-0.01m thick heat-preservation cotton;
5- gas burning things which may cause a fire disaster multi-orifice burners;6- shell body supporting racks;7- burner bases;8- telescopic rods;9- rollers;10- rollers are stopped
Brake
Embodiment
Below in conjunction with the accompanying drawings, the present invention is further described by embodiment.
A kind of direction and reconfigurable are used for simulating the burner apparatus of vertical burning things which may cause a fire disaster, including burner housing body, gas
Three burning things which may cause a fire disaster multi-orifice burner, burner base major parts.
Referring to Fig. 1, a kind of direction and reconfigurable are used for simulating the Novel combustor device of vertical burning things which may cause a fire disaster, its combustion used
Burner shell body 1 is made of 3-tier architecture, and outermost is one layer of iron sheet 2, and the fire-proof plate 3 of 0.008m thickness is posted in inside, is inwardly
The heat-preservation cotton 4 of 0.01m thickness, the heat for effectively reducing enclosure interior scatter and disappear.
Referring to Fig. 1, by taking the square crater of 20cm on perpendicular as an example, burner housing body 1 is a cuboid,
The upper long 21.8cm wide 23.6cm of bottom surface, a height of 22.8cm.The right side of cuboid and bottom opening, remaining face are closing
, and interface gas-tight.
Referring to Fig. 1, for simulating the burner apparatus of vertical burning things which may cause a fire disaster, its gas used is fiery for a kind of direction and reconfigurable
Multi-orifice burner 5 upper surface in source is square, length of side 20cm.Gas burning things which may cause a fire disaster multi-orifice burner can be that monolithic porous burner also may be used
To be the multi-orifice burner of multiple combination of monomers, as patent No. Publication No. CN106765100A (one kind can simulate different sizes,
The multi-orifice burner composite module of shaped gas burning things which may cause a fire disaster).On the outside of the tetragonous rod structure that burner plays rectified action, under upper surface
Shell body supporting rack 6 is welded at square 1cm.Burner housing body 1 is put on supporting rack 6, and tight with gas burning things which may cause a fire disaster multi-orifice burner
It is close to be bonded together.
Referring to Fig. 1, a kind of direction and reconfigurable are used for simulating the burner apparatus of vertical burning things which may cause a fire disaster, its burner used
Base 7 is furnished with 4 telescopic foot levers 8, and each foot lever is up-thin-low-thick, is connected through a screw thread, continuously adjustable height;Each
It is furnished with a roller 9 below foot lever, is be easily moved whole burner apparatus, there is brake 10 on roller, facilitate the fixation of device.
Referring to Fig. 2,3, a kind of direction and reconfigurable are for simulating the burner apparatus of vertical burning things which may cause a fire disaster, by varying burning
The shell body and its right flank of device can simulate arbitrary shape, the vertical burning things which may cause a fire disaster of size openings.Such as hair in skyscraper chamber
Light a fire calamity, cause to flow out at the curtain wall of glass breaking in window or fire that flame is opened from alien invasion to form overflow fire,
Then develop on alien invasion.Lead in room the external world window unfolding mode have it is a variety of, cause opening shape occur square,
The change of rectangle etc..And the outside wall surface face shaping of skyscraper is even more changeable, arc or line style, cause opening not
Regular lines.At this time, burner housing body right flank is completely open, and it is (quadrangle, arc, trapezoidal to simulate required opening shape
Deng), bottom surface reserves the opening identical with required 5 upper surface size shape of gas burning things which may cause a fire disaster multi-orifice burner at left surface.
Referring to Fig. 4, the crater of vertical burning things which may cause a fire disaster by varying the structure of shell body 1 towards can also realize, for example simulate
Combustor flame at a certain angle into burner hearth.Plane and the angle of horizontal plane and the shape of crater where determining crater
Shape, the straight line intersected using plane where crater with horizontal line rotate counterclockwise to horizontal plane as axis, and the shape on horizontal plane is
For the bottom surface shape of shell body 1.Upper bottom surface is parallel with bottom surface, left surface and front-back perpendicular to horizontal plane and with up and down
Face is connected.In this case, the crater shape of novel burner and size can change (polygon, arc etc.).
Referring to Fig. 5, vertical burning things which may cause a fire disaster offside double craters can also be realized by varying the structure of shell body 1, for example simulate
Fire spread of the skyscraper chamber fire on offside alien invasion.Shell body 1 is that two sides in left and right are opening, and bottom surface reserves
The opening identical with gas burning things which may cause a fire disaster multi-orifice burner upper surface.In this case, the variable dimension of the double craters of novel burner.
Referring to Fig. 2-5, the length of 5 upper surface of gas burning things which may cause a fire disaster multi-orifice burner needed for device and wide and 1 side of shell body
The shape of opening is related.Using the straight line of lateral opening base point-to-point transmission as axis, horizontal plane is rotated counterclockwise to, in the horizontal plane
Projection of shape is the shape of 5 upper surface of burner.Gas burning things which may cause a fire disaster multi-orifice burner can be that monolithic porous burner can also
It is the multi-orifice burner of multiple combination of monomers.
What the present invention did not elaborated partly belongs to techniques well known.
Claims (10)
1. a kind of direction and reconfigurable are used for simulating the burner apparatus of vertical burning things which may cause a fire disaster, it is characterised in that:Outside including burner
Housing (1), gas burning things which may cause a fire disaster multi-orifice burner (5) and burner base (7), multi-orifice burner is put in burner base, top
Covering shell body, internal diameter and the multi-orifice burner of shell body are seamlessly connected.
2. a kind of direction according to claim 1 and reconfigurable are used for simulating the Novel combustor device of vertical burning things which may cause a fire disaster,
It is characterized in that:The burner housing body (1) is made of 3-tier architecture, and outermost is one layer of iron sheet (2), and inside is posted
The fire-proof plate (3) of 0.008m thickness, is inwardly the heat-preservation cotton (4) of 0.01m thickness, and the heat for effectively reducing enclosure interior scatters and disappears.
3. a kind of direction according to claim 1 and reconfigurable are used for simulating the Novel combustor device of vertical burning things which may cause a fire disaster,
It is characterized in that:The burner housing body (1) can simulate arbitrary shape, size, the vertical burning things which may cause a fire disaster for the direction that is open.
4. a kind of direction according to claim 1 and reconfigurable are used for simulating the burner apparatus of vertical burning things which may cause a fire disaster, it is special
Sign is:Described burner housing body (1) right flank is completely open, and right openings simulate the shape needed for vertical burning things which may cause a fire disaster, bottom
Face reserves the opening identical with required burner upper surface size shape at left surface.
5. a kind of direction according to claim 1 and reconfigurable are used for simulating the Novel combustor device of vertical burning things which may cause a fire disaster,
It is characterized in that:The burner housing body (1) is placed on shell body supporting rack, shell body bottom inner diameter and gas burning things which may cause a fire disaster
Multi-orifice burner is seamlessly connected.
6. a kind of direction according to claim 1 and reconfigurable are used for simulating the burner apparatus of vertical burning things which may cause a fire disaster, it is special
Sign is:The shape of the gas burning things which may cause a fire disaster multi-orifice burner upper surface is related with burner housing body (1) lateral opening;Side
Opening counterclockwise or rotates clockwise 90 ° using the straight line of base point-to-point transmission as axis, and projection of shape in the horizontal plane is to burn
The shape of device (5) upper surface.
7. a kind of direction according to claim 1 and reconfigurable are used for simulating the burner apparatus of vertical burning things which may cause a fire disaster, it is special
Sign is:The gas burning things which may cause a fire disaster multi-orifice burner can be that monolithic porous burner can also be the porous of multiple combination of monomers
Burner.
8. a kind of direction according to claim 1 and reconfigurable are used for simulating the burner apparatus of vertical burning things which may cause a fire disaster, it is special
Sign is:The gas burning things which may cause a fire disaster multi-orifice burner is on the outside of the tetragonous rod structure for playing rectified action close to the place weldering of upper surface
Connect shell body supporting rack (6).
9. a kind of direction according to claim 1 and reconfigurable are used for simulating the burner apparatus of vertical burning things which may cause a fire disaster, it is special
Sign is:Placing burning device base (7) below the multi-orifice burner.
10. a kind of direction according to claim 1 and reconfigurable are used for simulating the burner apparatus of vertical burning things which may cause a fire disaster, it is special
Sign is:The burner base has flexible foot lever (8) continuously adjustable height, removable with roller (9).
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CN201711335712.9A CN107990313A (en) | 2017-12-14 | 2017-12-14 | A kind of direction and reconfigurable are used for simulating the burner apparatus of vertical burning things which may cause a fire disaster |
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CN201711335712.9A CN107990313A (en) | 2017-12-14 | 2017-12-14 | A kind of direction and reconfigurable are used for simulating the burner apparatus of vertical burning things which may cause a fire disaster |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109859561A (en) * | 2019-04-09 | 2019-06-07 | 应急管理部四川消防研究所 | Meet under fire working cup difference towards the platform and method of gravity-flow ventilation |
CN113077673A (en) * | 2021-03-10 | 2021-07-06 | 西南交通大学 | Asymmetric double-gas fire source flame fusion experiment simulation device |
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GB1488479A (en) * | 1974-10-03 | 1977-10-12 | United Gas Industries Ltd | Gas fire |
CN101696888A (en) * | 2009-10-23 | 2010-04-21 | 中国科学技术大学 | Simulation experiment device of fire disaster on external wall face of urban building |
CN102052936A (en) * | 2010-12-09 | 2011-05-11 | 中国科学技术大学 | Fire experimental device for external wall heat-insulation system of building |
EP2857791A1 (en) * | 2013-10-07 | 2015-04-08 | Basler & Hoffmann AG Ingenieure Planer und Berater | Real fire simulation device and method for simulating a real fire |
CN106765100A (en) * | 2017-01-09 | 2017-05-31 | 中国科学技术大学 | A kind of multi-orifice burner composite module for simulating different size, shaped gas burning things which may cause a fire disaster |
CN106781983A (en) * | 2017-01-22 | 2017-05-31 | 中国科学技术大学 | A kind of coupling machinery room with good ventilation corridor opening fire simulating overflow experimental provision |
CN207648795U (en) * | 2017-12-14 | 2018-07-24 | 中国科学技术大学 | A kind of direction and reconfigurable are used for simulating the burner apparatus of vertical burning things which may cause a fire disaster |
-
2017
- 2017-12-14 CN CN201711335712.9A patent/CN107990313A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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GB1488479A (en) * | 1974-10-03 | 1977-10-12 | United Gas Industries Ltd | Gas fire |
CN101696888A (en) * | 2009-10-23 | 2010-04-21 | 中国科学技术大学 | Simulation experiment device of fire disaster on external wall face of urban building |
CN102052936A (en) * | 2010-12-09 | 2011-05-11 | 中国科学技术大学 | Fire experimental device for external wall heat-insulation system of building |
EP2857791A1 (en) * | 2013-10-07 | 2015-04-08 | Basler & Hoffmann AG Ingenieure Planer und Berater | Real fire simulation device and method for simulating a real fire |
CN106765100A (en) * | 2017-01-09 | 2017-05-31 | 中国科学技术大学 | A kind of multi-orifice burner composite module for simulating different size, shaped gas burning things which may cause a fire disaster |
CN106781983A (en) * | 2017-01-22 | 2017-05-31 | 中国科学技术大学 | A kind of coupling machinery room with good ventilation corridor opening fire simulating overflow experimental provision |
CN207648795U (en) * | 2017-12-14 | 2018-07-24 | 中国科学技术大学 | A kind of direction and reconfigurable are used for simulating the burner apparatus of vertical burning things which may cause a fire disaster |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109859561A (en) * | 2019-04-09 | 2019-06-07 | 应急管理部四川消防研究所 | Meet under fire working cup difference towards the platform and method of gravity-flow ventilation |
CN109859561B (en) * | 2019-04-09 | 2024-04-16 | 应急管理部四川消防研究所 | Platform and method for meeting natural ventilation of front chamber in different directions under fire working condition |
CN113077673A (en) * | 2021-03-10 | 2021-07-06 | 西南交通大学 | Asymmetric double-gas fire source flame fusion experiment simulation device |
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