CN101078518A - Flame stabilizing burner - Google Patents

Flame stabilizing burner Download PDF

Info

Publication number
CN101078518A
CN101078518A CNA2006100809717A CN200610080971A CN101078518A CN 101078518 A CN101078518 A CN 101078518A CN A2006100809717 A CNA2006100809717 A CN A2006100809717A CN 200610080971 A CN200610080971 A CN 200610080971A CN 101078518 A CN101078518 A CN 101078518A
Authority
CN
China
Prior art keywords
cup
cylindrical shell
flame
cup body
ring bodies
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CNA2006100809717A
Other languages
Chinese (zh)
Other versions
CN100498062C (en
Inventor
米建春
杨立清
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Peking University
Original Assignee
Peking University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Peking University filed Critical Peking University
Priority to CNB2006100809717A priority Critical patent/CN100498062C/en
Publication of CN101078518A publication Critical patent/CN101078518A/en
Application granted granted Critical
Publication of CN100498062C publication Critical patent/CN100498062C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B4/00Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes
    • F42B4/26Flares; Torches

Abstract

The invention relates to a flame stable burner, characterized in that it comprises a circle or rectangle cup body, a rectangle tube set in the cup body and a taper ring body set at the middle-upper part of the tube; the top edge of said tube is higher than the top edge of said cup body; a distance is stayed between the bottom edge of said tube and the bottom face of said cup body; multiple air inlets are set at the bottom face of said cup body; a fuel nozzle connected with the fuel air source passes through the center of bottom face of said cup body; axes of said cup body, said tube, said ring body and the nozzle are the same. The invention is provided with reasonable design and has a very good path for mutually burning internal and external flame. The path can make external flame burn internal flame when it is burned at the first time and make internal flame burn external flame blown out so that stable burning in the invention can be insured effectively and it is not quenching. The invention can be used in torch in Olympic game or other sports meeting, celebration fire altars and picnic fire.

Description

A kind of flame stabilizing burner
Technical field
The present invention relates to a kind of flame stabilizing burner, particularly about a kind of under various adverse circumstances, as blast, shear and extremely under the situation of turbulent flow by force, burner that can both the retention flame.
Background technology
In many practical applications, people need a kind of desirable flameholder, with guarantee various wind outside to wind-force even hurricane, shear by force and extremely under the situation of turbulent flow, provide stable combustion flame.These application comprise the Olympic Games or other sports meet torch, celebration fire spot and picnic fire.Yet regrettably, the simple stabilizer of this ideal and structure lacks at present relatively.In general, the retention flame reaches by using bluff body generation backflow or strong eddy flow to form vortex structure, though these methods are applied in some industrial combustion system and have obtained success, be difficult to be applied in the general daily life but hydrocyclone structure is complicated, all depend on relevant mobile direction and velocity magnitude with size and can simple bluff body produce backflow and produce its shape of back that refluxes.So these methods of having known all have tangible limitation, can't be applied in that (instantaneous wind speed often surpasses 20 meter per seconds even reaches more than 100 meter per seconds) keeps flame not go out under the weather of blast brutality.In order to break through the limitation of conventional method, the present inventor thinks that novel burner must have a kind of structure, thereby it can both be created good burning situation in different wind outside and burning can both be stablized under various conditions carry out under changing with precipitate wind speed.
Summary of the invention
The purpose of this invention is to provide a kind of flame under various conditions and do not put out, and have the flame stabilizing burner of smooth combustion function.
For achieving the above object, the present invention takes a kind of flame stabilizing burner of following technical scheme, it is characterized in that: it comprises a circular or square cup, one places the interior square cylinder and of described cup to place the frusto-conical annular body of described cylindrical shell middle and upper part, the top margin of described cylindrical shell is higher than the top margin of described cup, distance is left in the base of described cylindrical shell and described cup bottom surface, described cup bottom surface is provided with a plurality of air outlet slits, the bottom surface central authorities of described cup wear a fuel nozzle that is connected with fuel gas source, described cup, cylindrical shell, the dead in line of ring bodies and nozzle.
The exit position of described fuel jet nozzle is higher than the bottom surface of described cup, but is lower than half that arrives described annulus height in described cup bottom surface.
The air intake of described cup bottom surface is four, and it lays respectively at described ring bodies and cylindrical shell in the space that the bottom surface projection of described cup is enclosed.
The tangent position of described ring bodies and described cylindrical shell is connected by a kind of mode in locating piece or the welding.
Described ring bodies circumferentially be provided with four ribs, described ring bodies is connected with described cylindrical shell by four ribs.
The present invention is owing to take above technical scheme, it has the following advantages: 1, the present invention is owing to be provided with a circle or square cup, in cup, be provided with a square cylindrical shell, and in cylindrical shell, be provided with one and have the frusto-conical annular body, thereby the cavity that the present invention is formed by cup, cylindrical shell and ring bodies, both formed relatively independent with the external world, be not in closed state again, a cavity and several air communication channel in cup, have been formed, make the mixing of air and fuel reach optimum state, and then make combustion efficiency reach best.2, the present invention is when burning generation and low wind speed, after gaseous fuel enters cup by nozzle, overwhelming majority flame occurs in top, cup outside, and the flame in the cup only accounts for a very little part, the oxygen material that the cup internal combustion is required, then in entering cup, air intlet provides by extraneous air, when outer lateral when wind speed increases, still can form little vortex in negative pressure wake flow and the cavity in inboard some position of rim of a cup, therefore can remain flame combustion in the relatively independent cavity of the present invention, even externally phenomenon appears extinguishing in flame, also unaffected, still can keep the flame in the cavity.3, the conical ring bodies of the present invention, has highly effective guide functions, make ring bodies both can the stop portions gaseous direct fuel eject burner, again can portion gas fuel in relatively independent cavity with after air mixes, the overwhelming majority derives burner with Gas Jet, makes the smooth combustion effect good especially.4, the present invention is because reasonable structural design, make it have the path of igniting mutually of well inside and outside flame, this path both can make the external flame internal flame of igniting when being lighted for the first time, the also external flame that can make internal flame ignite and be put out, thereby guaranteed smooth combustion of the present invention effectively, and do not extinguished.The present invention can be used to comprise the Olympic Games or other sports meet torch, in celebration fire spot and the picnic fire.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is the elevational schematic view of Fig. 1
Fig. 3 is another embodiment of the present invention structural representation
Fig. 4 is the elevational schematic view of Fig. 3
Fig. 5 is the gas flow schematic diagram
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1 and Figure 2, the present invention includes the square cylindrical shell 3 and the conical ring bodies 4 of cup 2, of a fuel nozzle 1, a circle, cylindrical shell 3 is arranged in the cup 2, and ring bodies 4 is arranged in the cylindrical shell 3,41,2,3,4 deads in line.Cylindrical shell 3 tops are higher than cup 2 top margins, and a segment distance is left apart from cup 2 bases in the bottom; Ring bodies 4 is by the locating piece on cylindrical shell 3 inwalls or be welded to connect in cylindrical shell 3; Cup 2 bottoms have four air intlet B, and four air intlet B are positioned at cylindrical shell 3 and ring bodies 4 in four subtriangular zones that cup 2 bottom projections surround.What be positioned at cup 2 central A places is nozzle 1, and the exit position of nozzle 1 is higher than cup 2 bottoms, but is lower than from cup 2 bottoms to ring bodies 4 height half.
As shown in Figure 3, Figure 4, be another embodiment of the present invention, the difference of present embodiment and the foregoing description is that cup 2 is square, the central circular 41 of ring bodies 4 is less, is connected with cylindrical shell 3 by four ribs 42 all around.
In the foregoing description, the air intlet of cup 2 bottoms can also be provided with more, such as 6,8 etc., the position is set also can changes to some extent.
As shown in Figure 5, when the present invention takes place when burning, the fuel that gaseous fuel upwards sprays through nozzle 1, make nozzle 1 ambient air form negative pressure, make extraneous air through the air intlet B of cup 2 bottoms and the gap between cup 2 and the cylindrical shell 3, the relatively independent cavity that suction is formed by cylindrical shell 3 and ring bodies 4, enter the air stream of this cavity and the disturbance of fuel jet generation, form a stronger backflow collar vortex, fuel gas is mixed at this mutually with air, a part of mixed gas adds fuel jet, guide functions via ring bodies 4 central openings, and, mix further burning with extraneous air through cylindrical shell 3 top C outflow, form external flame.
Most flames of the whole burner of the present invention occur in the outlet top, and the flame in relatively independent cavity only accounts for a very little part.When the fuel nozzle 1 of burner is opened, when combustor external was lighted a fire, outside combustion flame can ignite and be in the well-mixed gas of swirling flow collar vortex in the cavity.In case outside flame is influenced when extinguishing by fortuitous event such as high wind, the flame that is positioned at cavity but is shielded in relatively independent cavity and can be subjected to influence such as external wind and extinguishes; After in case ectocine is eliminated, the internal flame that the burns away outside combustion flame that can ignite conversely again, thus make integral body of the present invention be in stable fired state all the time.

Claims (6)

1, a kind of flame stabilizing burner, it is characterized in that: it comprises a circular or square cup, one places the interior square cylinder and of described cup to place the frusto-conical annular body of described cylindrical shell middle and upper part, the top margin of described cylindrical shell is higher than the top margin of described cup, distance is left in the base of described cylindrical shell and described cup bottom surface, described cup bottom surface is provided with a plurality of air intakes, the bottom surface central authorities of described cup wear a fuel nozzle that is connected with fuel gas source, described cup, the dead in line of cylindrical shell, ring bodies and nozzle.
2, flame stabilizing burner as claimed in claim 1 is characterized in that: the exit position of described fuel jet nozzle is higher than the bottom surface of described cup, but is lower than half that arrives described annulus height in described cup bottom surface.
3, flame stabilizing burner as claimed in claim 1 is characterized in that: the air intake of described cup bottom surface is four, and it lays respectively at described ring bodies and cylindrical shell in the space that the bottom surface projection of described cup is enclosed.
4, flame stabilizing burner as claimed in claim 2 is characterized in that: the air intake of described cup bottom surface is four, and it lays respectively at described ring bodies and cylindrical shell in the space that the bottom surface projection of described cup is enclosed.
5, as claim 1 or 2 or 3 or 4 described flame stabilizing burners, it is characterized in that: the tangent position of described ring bodies and described cylindrical shell is connected by a kind of mode in locating piece or the welding.
6, as claim 1 or 2 or 3 or 4 described flame stabilizing burners, it is characterized in that: described ring bodies circumferentially be provided with four ribs, described ring bodies is connected with described cylindrical shell by four ribs.
CNB2006100809717A 2006-05-26 2006-05-26 Flame stabilizing burner Expired - Fee Related CN100498062C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2006100809717A CN100498062C (en) 2006-05-26 2006-05-26 Flame stabilizing burner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2006100809717A CN100498062C (en) 2006-05-26 2006-05-26 Flame stabilizing burner

Publications (2)

Publication Number Publication Date
CN101078518A true CN101078518A (en) 2007-11-28
CN100498062C CN100498062C (en) 2009-06-10

Family

ID=38906124

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2006100809717A Expired - Fee Related CN100498062C (en) 2006-05-26 2006-05-26 Flame stabilizing burner

Country Status (1)

Country Link
CN (1) CN100498062C (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102748775A (en) * 2012-07-23 2012-10-24 集美大学 Streamline flame stabilizer with built-in ignition sources
CN105333426A (en) * 2015-12-04 2016-02-17 深圳智慧能源技术有限公司 Venturi burner structure
CN105333427A (en) * 2015-12-04 2016-02-17 深圳智慧能源技术有限公司 Flame holder of venturi burner
CN105351930A (en) * 2015-12-04 2016-02-24 深圳智慧能源技术有限公司 Flame holder of Venturi combustor
CN105485686A (en) * 2015-12-04 2016-04-13 深圳智慧能源技术有限公司 Venturi burner with shock absorption capacity
WO2017092045A1 (en) * 2015-12-04 2017-06-08 深圳智慧能源技术有限公司 Flame stabilizer of venturi burner
CN111121019A (en) * 2018-10-31 2020-05-08 宁波方太厨具有限公司 Burner fire cover for gas cooker and burner using same
CN111121025A (en) * 2018-10-31 2020-05-08 宁波方太厨具有限公司 Burner for gas stove

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102748775A (en) * 2012-07-23 2012-10-24 集美大学 Streamline flame stabilizer with built-in ignition sources
CN102748775B (en) * 2012-07-23 2014-11-19 集美大学 Streamline flame stabilizer with built-in ignition sources
CN105333426A (en) * 2015-12-04 2016-02-17 深圳智慧能源技术有限公司 Venturi burner structure
CN105333427A (en) * 2015-12-04 2016-02-17 深圳智慧能源技术有限公司 Flame holder of venturi burner
CN105351930A (en) * 2015-12-04 2016-02-24 深圳智慧能源技术有限公司 Flame holder of Venturi combustor
CN105485686A (en) * 2015-12-04 2016-04-13 深圳智慧能源技术有限公司 Venturi burner with shock absorption capacity
CN105333427B (en) * 2015-12-04 2017-04-12 深圳智慧能源技术有限公司 Flame holder of venturi burner
CN105351930B (en) * 2015-12-04 2017-04-12 深圳智慧能源技术有限公司 Flame holder of Venturi combustor
WO2017092045A1 (en) * 2015-12-04 2017-06-08 深圳智慧能源技术有限公司 Flame stabilizer of venturi burner
CN105485686B (en) * 2015-12-04 2018-06-08 深圳智慧能源技术有限公司 Venturi burner with damping capaicty
CN111121019A (en) * 2018-10-31 2020-05-08 宁波方太厨具有限公司 Burner fire cover for gas cooker and burner using same
CN111121025A (en) * 2018-10-31 2020-05-08 宁波方太厨具有限公司 Burner for gas stove
CN111121025B (en) * 2018-10-31 2022-01-25 宁波方太厨具有限公司 Burner for gas stove

Also Published As

Publication number Publication date
CN100498062C (en) 2009-06-10

Similar Documents

Publication Publication Date Title
CN100498062C (en) Flame stabilizing burner
AU2011247692B2 (en) Pulverized coal burner and pulverized coal boiler
CN205592954U (en) One -level gas injection type low NOx burner
CN202613442U (en) Blast fully-premixing combustor
CN101526233A (en) Safe and energy-saving gas stove
CN111520717A (en) Hierarchical low-nitrogen gas burner based on rotational flow
CN1763427A (en) Gas flame steady burner
CN2886355Y (en) Super-steady state burner for torch
CN204213970U (en) A kind of novel steelmaking coal gas igniter head
CN212227021U (en) Low-nitrogen combustor
CN204438184U (en) A kind of premixing nozzle and gas turbine
CN209130893U (en) Energy-saving prevention wind and rain torch altar lamp which burns day and night
CN101059242A (en) Gas flame stable combustion device
CN111457371A (en) Low-nitrogen burner
CN1793728A (en) Gas flame smooth burning method and smooth burner
CN208382152U (en) A kind of steady flame rotating fire burner
CN101050857A (en) Taiji gas flame stabilizing burner
CN100424414C (en) Anti-weather stable burning apparatus and method for gas flame
CN1793730A (en) Gas flame smooth burning method and smooth burner
CN101033844A (en) Square or round gas flame stabilizing burner
CN1793729A (en) Gas flame smooth burning method and smooth burner
CN212777340U (en) Hierarchical low-nitrogen gas burner based on rotational flow
CN209960490U (en) Blast furnace combustion device
CN101033843A (en) Taiji gas flame stabilizing burner
CN2791488Y (en) Blast furnace and converter gas flame stabilizer

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090610

Termination date: 20120526