CN104456556B - A kind of burner - Google Patents
A kind of burner Download PDFInfo
- Publication number
- CN104456556B CN104456556B CN201410621125.6A CN201410621125A CN104456556B CN 104456556 B CN104456556 B CN 104456556B CN 201410621125 A CN201410621125 A CN 201410621125A CN 104456556 B CN104456556 B CN 104456556B
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- CN
- China
- Prior art keywords
- distributor
- burner
- outlet
- fuel gas
- air
- 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.)
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Classifications
-
- 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
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
-
- 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
- F23D14/48—Nozzles
- F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pre-Mixing And Non-Premixing Gas Burner (AREA)
Abstract
A kind of burner, the burner of tubular is equipped with interlayer air chamber, air chamber passes through many tiny air outlets and combustion chamber, bottom of combustion chamber has combustion gas inlet pipe, gas inlet pipe is set to burner bottom plate center, and bottom plate certain altitude is vertically extended as fuel gas injection pipe, the distributor for being placed in burner bottom plate and separating with burner is equipped in the top of fuel gas injection pipe, distributor lower part single side opening, and the inward-facing formation cavity of opening, medial surface is equipped with location structure, outer top is round and smooth spherical crown shape, the almost tangential narrow rotation direction gas outlet lower than fuel gas injection nozzle of a circle is equipped in the bottom of distributor.The configuration of the present invention is simple improves combustion gas and mixes with the Quick uniform of air in combustion, there is high efficiency of combustion;The spherical outer top of distributor is heated evenly each portion of distributor, is not easy selective oxidation and burns out, long without fire, service life partially.The burner has the advantages that burning is good, the service life is long, anti-flooding, anti-clogging and for a long time using partially not fiery.
Description
Technical field
The present invention relates to kitchen range, specifically a kind of burner.
Background technique
Gas burner is especially powerful commercial gas kitchen range, makes great efforts to make combustion gas and air to improve efficiency of combustion needs
Sufficiently, it uniformly mixes, and burner shortens in use because burning time is long and easily deformable and shattered crack using the longevity
Life, while liquid, slag mud or slag is miscellaneous is easy to block distributor gas outlet and aggravate this situation, and reduce firepower.Another party
Face, the cleaning or maloperation of hearth make liquid fill burner and outlet pipe, usually make hydrops in burner, and liquid stream is made to enter combustion
To bring burning not, and occurs for feed channel corresponding the problems such as corroding steam line.
Summary of the invention
The technical problem to be solved by the present invention is to solve the above problems, providing one kind can be improved burner combustion effect
Rate, the service life is long and has anti-blocking, anti-flooding performance burner.
The burner, sets air chamber with dissection in the barrel of the burner of tubular, bottom be equipped with combustion gas into
Tracheae, the air chamber are connected to air blast pipe, it is characterised in that: are equipped with and gas inlet pipe at the center of burner bottom plate
The fuel gas injection pipe for communicating and vertically extending 5mm~80mm is equipped in the top of fuel gas injection pipe and is placed on burner bottom plate
And the distributor separated with burner, it is open below the distributor and opening is inwardly formed cavity, in the medial surface of cavity
Equipped with the location structure for keeping distributor coaxial with fuel gas injection pipe, the lateral surface of distributor is round and smooth spherical crown shape, in distributor
Sidewall bottom be equipped with a circle rotation direction gas outlet, the upper edge of the rotation direction gas outlet is lower than the nozzle of fuel gas injection pipe;Divide fire
Device outer wall, burner bottom plate and burner inner tube wall surround combustion chamber, and the barrel inner wall of the burner is fired equipped with several connections
Burn the air outlet of room and air chamber.
The outlet passageway of the rotation direction gas outlet of distributor symmetrically and evenly arranges own with respect to the axis centre of distributor
Rotation direction gas outlet rotating direction angle it is consistent.
Distribution density is consistent on the barrel and is uniformly distributed for the air outlet, and the outlet air open height of extreme lower position is lower than
The height of the nozzle of the fuel gas injection pipe.
A kind of embodiment of the location structure is, the location structure be it is multiple with distributor one or in distributor
Distributor bottom surface is stretched out in the positioning clamping pin that wall is fixedly connected, end, is equipped with and the positioning clamping pin on the burner bottom plate
The corresponding location notch hole of end position, the end of positioning clamping pin is embedded in the location notch hole and places, and makes the distributor
Central axis is overlapped with the central axis of fuel gas injection pipe.
Another embodiment of the location structure, the location structure are equipped with positioning lasso, and the positioning lasso passes through
Connection structure and the distributor inner wall one are fixedly connected, the central axis of the positioning lasso and the central axis of distributor
Line is overlapped.
Preferably, one week uniformly distributed whirlwind air outlet slit, the rotation of whirlwind air outlet slit are equipped in the barrel bottom of combustion chamber
It is consistent with the outlet air direction of rotation of rotation direction gas outlet of distributor to turn direction.
The present invention significantly improves combustion gas and air in combustion quick, uniform in simple structure and mixes, and leads to
The air outlet of the bottom side outlet combustion gas rotary wind and combustion chamber barrel of crossing distributor cooperates, the fuel gas flow and air gas of rotation
Stream meets, and forms a uniform rotatable gas curtain of circle in the space of combustion chamber, ensure that abundant, the homogenous combustion of combustion gas, and
Maximum reduces the waste of calory burning.
Smooth domed distributor outer surface and well-balanced distributed architecture are heated evenly distributor, will not be because of protrusion
Structure keep its local excessive heated and generate ablation, substantially prolong the service life of distributor.Rotary combustion air curtain also makes
Combustion gas is fully burned, and swirl flame is formed in except distributor, forms protection to distributor itself.
Vertically arranged rotation direction gas outlet, is beneficial to prevent the blocking of slag sundries, since rotation direction gas outlet is located at distributor
Bottom, bottom opening, therefore slag sundries be easy to fall it is unlikely block rotation direction gas outlet, moreover, because rotation direction gas outlet and combustion gas
Pipe is not connected to directly, and is exported lower than fuel gas injection pipe, and slag sundries will not enter in fuel gas conduit.
It is exported due to rotating air outlet lower than fuel gas injection pipe, so that when liquid covering is more than rotation air outlet, because dividing
The combustion gas of firearm buffers indoor air and can not be discharged, and exports to form protection to fuel gas injection pipe, even if the liquid level outside distributor
It does not cross at the top of distributor, fuel gas injection pipe outlet at this time still buffers indoor compressed air by combustion gas and is isolated, and makes liquid stream
It cannot be introduced into fuel gas conduit;Meanwhile the minimum air outlet position of barrel is lower than the outlet of fuel gas injection pipe, and combustion furnace is at this time
Off working state just releases from the air outlet of barrel when liquid level position is more than the outlet of fuel gas injection pipe, does not become and be greater than
Liquid level difference needed for buffering interior compression air pressure, so that liquid, which will not enter fuel gas injection pipe, occurs tracheae blocking.
Setting is separated between distributor and burner, so that combustion chamber and distributor are easy to clear up, distributor is easy to
Replacement, maintenance test facilitates intuitive.
Distributor is centrosymmetrically arranged by location structure and the centering of fuel gas injection pipe, and combustion gas passes through uniformly distributed rotation direction
Gas outlet sprays, and meets with air outlet uniformly distributed in burner tube body and is thoroughly mixed to form uniform air mixture curtain, thus
Form stable flame;Distributor fire surface be it is round and smooth spherical, no hot-spot structure is not easy to be burned, so even if
It uses for a long time, flame is not also stable, uniform, partially fiery.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention,
Fig. 2 a is the bottom schematic view of distributor constructive embodiment one,
Fig. 2 b is the top view of Fig. 2 a,
Fig. 3 a is the bottom schematic view of distributor constructive embodiment two,
Fig. 3 b is the top view of Fig. 3 a.
In figure: 1-air outlet, 2-distributor, 3-whirlwind air outlet slits, 4-air chambers, 5-combustion chamber soleplates, 6-
Air blast pipe, 7-gas inlet pipes, 8-fuel gas injection pipes, 9-rotation direction gas outlets, 10-combustion gas surge chambers, 11-combustion gas
Injection pipe outlet, 12-igniter mounting holes, 13-combustion chambers, 14-burners, 16-location structures, 17-location notch holes,
18-lassos.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples: as shown in Figure 1, the burner, is equipped with
The burner 14 of tubular, the barrel of the burner set air chamber 4 with dissection, and bottom is equipped with gas inlet pipe 7, the air
Room is connected to air blast pipe 6, and as shown in fig. 1, air blast pipe is sent into the air chamber 4 of interlayer from bottom air inlet.It is firing
The center of burner bottom plate 5 is equipped with the fuel gas injection pipe 8 for communicating and vertically extending with gas inlet pipe, fuel gas injection pipe and burner
Bottom plate is tightly connected, and the distributor 2 for being placed in burner bottom plate is equipped in the top of fuel gas injection pipe.Distributor, burner bottom
Plate and burner barrel surround combustion chamber 13, and the barrel of the combustion chamber lays several air outlets 1, and air outlet is equal on barrel
Even distribution, bore are 1.5mm or so.It is separable setting between distributor and burner, distributor is made by location structure
Center line is maintained at the axial location of gas outlet pipe inspection mouth, keeps going out for distributor fiery uniformly partially not fiery.Activity is separately positioned
Distributor make combustion chamber and distributor be easy to clear up, distributor is easily changed, and maintenance test facilitates intuitive.
Such as Fig. 2,3, the distributor lower aperture and the inward-facing formation cavity of opening, the inside and outside wall wheel of the distributor
Profile is smoothed curve.In figure, the shape of the distributor is spherical.At this point, the outlet of distributor and distributor ontology are simultaneously
Without protruding portion, and distributor Each part is symmetrical, excess smoothness so that distributor ontology is heated evenly, be not in due to
The phenomenon that the protrusion structure of burner causes local excessive heated, to substantially extend the service life of distributor.
Such as Fig. 2,3, a circle rotation direction gas outlet 9 is equipped in the bottom sidewall of distributor;The outlet end of the rotation direction gas outlet 9
Face is vertically elongated, and bottom opening, the central point of all rotation direction gas outlets are distributed on a circle.It is elongated and set vertically
The rotation direction gas outlet set, is beneficial to prevent the blocking of slag sundries, since rotation direction gas outlet is located at distributor bottom, bottom opening,
Therefore slag sundries, which is easy to fall, unlikely blocks rotation direction gas outlet.Setting is separated between distributor and burner, but also burning
Room and distributor are easy to clear up.Moreover, because rotation direction gas outlet is not connected to directly with fuel gas conduit, and it is lower than fuel gas injection pipe
Outlet, slag sundries will not enter in fuel gas conduit.Since rotation air outlet is exported lower than fuel gas injection pipe, and gas inlet pipe 7
It unidirectional outlet or can be closed, so that there is water flow to cover and liquid level when being more than rotation air outlet, the combustion gas surge chamber 10 of distributor
Interior air can not be discharged, and export to form protection to fuel gas injection pipe, even if the water surface outside distributor did not had at the top of distributor, this
When the outlet of fuel gas injection pipe still by the air insulated of combustion gas buffering interior compression, and water flow is made to cannot be introduced into fuel gas conduit.Due to cylinder
The minimum air outlet position of wall is lower than the outlet of fuel gas injection pipe, and when water flow typically occurs in truce and cleans, burns at this time
Furnace is in off working state, when water surface site be more than fuel gas injection pipe outlet when, first from the air outlet of barrel release without
Fuel gas injection pipe can be entered.And it but will will be entered in working condition by the gas that fuel gas injection pipe is output to combustion gas surge chamber 10 and be divided
The fluid removal of firearm.Therefore the structure of the technical program can completely avoid the liquid that usually will appear and be entered by gas outlet
Phenomenon plays protective effect to gas pipeline and normal operating conditions.
Such as Fig. 2 a, two embodiments that 2b, 3a, 3b are distributor, are the different structure of location structure, Fig. 2 a, 2b respectively
In, location structure is to position with distributor one, 2 or 3 rod pieces extended downwardly by the inner wall of distributor as positioning clamping pin
3~5mm of bottom surface of distributor is stretched out in the end of bayonet lock straight down, corresponds to the positioning clamping pin in the upper side of burner bottom plate
The position of end be equipped with can the nested positioning clamping pin end location notch hole 17 (being shown in Fig. 1).The positioning clamping pin of distributor
After positioned in alignment slot is placed, the center line of distributor is substantially overlapped with the outlet central axes of the fuel gas injection pipe, so that
It is sprayed uniformly from the combustion gas of the rotation direction gas outlet 9 of distributor, flame is arranged symmetrically, partially not fiery.
It is another embodiment of distributor location structure in Fig. 3 a, 3b, since gas outlet pipe inspection mouth is stretched vertically
Burner bottom plate 20mm~50mm out, and gas outlet pipe is column, typical outer surface is cylinder, in Fig. 3, distributor
Location structure and the inner wall of distributor fix or one, stretch out more connectors from the inner wall surrounding of distributor, connection middle part
Annular collar 18, and be overlapped the center line of the lasso with the center line of distributor, the internal diameter of lasso is slightly larger than the combustion
The outer diameter of gas escape pipe jet port when placing distributor, covers snare outside gas outlet pipe, keeps the relative position of distributor solid
Fixed, the center line of same distributor and the outlet central axes of the fuel gas injection pipe substantially overlap, so that from the rotation direction of distributor
The combustion gas of gas outlet 9 sprays uniformly, and flame is arranged symmetrically, partially not fiery.
Correspondingly, as shown in Figure 1, the barrel bottom in combustion chamber is equipped with one week whirlwind air outlet slit 3, whirlwind air outlet slit
Direction of rotation it is consistent with the direction of rotation of rotation direction gas outlet of distributor.Improve combustion gas and air in combustion fast
Speed, uniformly mixing are cooperated by the air outlet of the side outlet combustion gas rotary wind of distributor and combustion chamber barrel, especially with barrel
The cooperation of the air outlet of whirlwind air outlet slit and barrel, fuel gas flow and the air draught of rotation meet, in the space of combustion chamber
A uniform rotatable gas curtain of circle is formed, ensure that abundant, the homogenous combustion of combustion gas, the chamber structure of relative closure are maximum
Limit reduces the waste of calory burning.
It is equipped with igniter mounting hole 12 on the barrel of burner, the output of compressed air, combustion gas is opened when use, simultaneously
Initial igniter, the rotary air that the whirlwind air outlet slit 3 of the air and barrel bottom that spray on barrel sprays are encountered from a point fire
The combustion gas that device side wall rotating Vortex sprays, uniformly mixing, the flame being ignited form the air curtain of rotation rapidly, through overtesting, fire
Flame rotates upwards mix well with air burning after, by limitation burning and heat diffusion range so that the calory burning of combustion gas
It is made full use of to greatest extent, the efficiency of combustion of combustion gas greatly improved.
Claims (5)
1. a kind of burner, sets air chamber with dissection in the barrel of the burner of tubular, bottom is equipped with gas inlet
Pipe, the air chamber are connected to air blast pipe, it is characterised in that: are equipped with and gas inlet pipe phase at the center of burner bottom plate
Fuel gas injection pipe that is logical and vertically extending 5mm~80mm, the top of fuel gas injection pipe be equipped be placed on burner bottom plate and
The distributor separated with burner, is open below the distributor and opening is inwardly formed cavity, sets in the medial surface of cavity
There is the location structure for keeping distributor coaxial with fuel gas injection pipe, the lateral surface of distributor is round and smooth spherical crown shape, in distributor
Sidewall bottom is equipped with a circle rotation direction gas outlet, and the upper edge of the rotation direction gas outlet is lower than the nozzle of fuel gas injection pipe;Distributor
Outer wall, burner bottom plate and burner inner tube wall surround combustion chamber, and the inner tube wall of the burner is equipped with several connection combustion chambers
With the air outlet of air chamber;
The location structure is multiple one with distributor or the positioning clamping pin being fixedly connected with distributor inner wall, and end, which is stretched out, to be divided
Firearm bottom surface is equipped with location notch hole corresponding with the end position of the positioning clamping pin, positioning card on the burner bottom plate
The end of pin is embedded in the location notch hole and places, and makes the central axis of the distributor and the central axis weight of fuel gas injection pipe
It closes.
2. a kind of burner, sets air chamber with dissection in the barrel of the burner of tubular, bottom is equipped with gas inlet
Pipe, the air chamber are connected to air blast pipe, it is characterised in that: are equipped with and gas inlet pipe phase at the center of burner bottom plate
Fuel gas injection pipe that is logical and vertically extending 5mm~80mm, the top of fuel gas injection pipe be equipped be placed on burner bottom plate and
The distributor separated with burner, is open below the distributor and opening is inwardly formed cavity, sets in the medial surface of cavity
There is the location structure for keeping distributor coaxial with fuel gas injection pipe, the lateral surface of distributor is round and smooth spherical crown shape, in distributor
Sidewall bottom is equipped with a circle rotation direction gas outlet, and the upper edge of the rotation direction gas outlet is lower than the nozzle of fuel gas injection pipe;Distributor
Outer wall, burner bottom plate and burner inner tube wall surround combustion chamber, and the inner tube wall of the burner is equipped with several connection combustion chambers
With the air outlet of air chamber;
The location structure is equipped with positioning lasso, and the positioning lasso is integrally or solid by connection structure and the distributor inner wall
The central axis of fixed connection, the positioning lasso is overlapped with the central axis of distributor.
3. burner according to claim 1, it is characterised in that: the outlet of the rotation direction gas outlet of distributor is logical
Road symmetrically and evenly arranges that the rotating direction angle of all rotation direction gas outlets is consistent with respect to the axis centre of distributor.
4. burner according to claim 1, it is characterised in that: the air outlet is distributed close on the inner tube wall
Degree is consistent and is uniformly distributed, and the outlet air open height of extreme lower position is lower than the height of the nozzle of the fuel gas injection pipe.
5. burner according to claim 1, it is characterised in that: be equipped with a Zhou Jun in the inner tube wall bottom of combustion chamber
The whirlwind air outlet slit of cloth, the outlet air direction of rotation one of the rotation direction gas outlet of the direction of rotation and distributor of whirlwind air outlet slit
It causes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410621125.6A CN104456556B (en) | 2014-11-06 | 2014-11-06 | A kind of burner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410621125.6A CN104456556B (en) | 2014-11-06 | 2014-11-06 | A kind of burner |
Publications (2)
Publication Number | Publication Date |
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CN104456556A CN104456556A (en) | 2015-03-25 |
CN104456556B true CN104456556B (en) | 2019-03-26 |
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Family Applications (1)
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CN201410621125.6A Active CN104456556B (en) | 2014-11-06 | 2014-11-06 | A kind of burner |
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CN (1) | CN104456556B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018218527A1 (en) * | 2017-05-31 | 2018-12-06 | 深圳智慧能源技术有限公司 | Ignition nozzle device capable of improving ignition stability |
CN108006627A (en) * | 2017-12-05 | 2018-05-08 | 湖北中瑞天恒节能科技发展有限公司 | A kind of burner and gas-cooker |
CN108019745A (en) * | 2017-12-05 | 2018-05-11 | 湖北中瑞天恒节能科技发展有限公司 | A kind of burner and gas-cooker |
CN109140525A (en) * | 2018-09-29 | 2019-01-04 | 贵州省粤鑫餐饮设备有限公司 | A kind of high efficiency energy saving stove |
CN110360610B (en) * | 2018-12-15 | 2024-07-30 | 湖北中瑞天恒节能科技发展有限公司 | Self-purification energy-saving stove head structure and energy-saving stove |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201764502U (en) * | 2010-09-03 | 2011-03-16 | 温州市洁源科技有限公司 | Gas burner |
CN101988700A (en) * | 2009-08-04 | 2011-03-23 | 陈立毫 | Biomass gasification burner |
CN202757155U (en) * | 2012-08-20 | 2013-02-27 | 山西迪森能源科技有限公司 | Energy-saving cooking range |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2178324Y (en) * | 1992-11-06 | 1994-09-28 | 广州市萌芽厨房设备工业公司 | Blasting rotational flow premixing gas-fired furnace |
CN2837691Y (en) * | 2005-08-25 | 2006-11-15 | 刘松安 | Non-flashover light hydrocarbon burning device for catering |
CN104279564A (en) * | 2013-07-05 | 2015-01-14 | 汝永 | Energy-saving stove ejector |
-
2014
- 2014-11-06 CN CN201410621125.6A patent/CN104456556B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101988700A (en) * | 2009-08-04 | 2011-03-23 | 陈立毫 | Biomass gasification burner |
CN201764502U (en) * | 2010-09-03 | 2011-03-16 | 温州市洁源科技有限公司 | Gas burner |
CN202757155U (en) * | 2012-08-20 | 2013-02-27 | 山西迪森能源科技有限公司 | Energy-saving cooking range |
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CN104456556A (en) | 2015-03-25 |
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