CN109404907A - Burner and gas heater - Google Patents
Burner and gas heater Download PDFInfo
- Publication number
- CN109404907A CN109404907A CN201810563054.7A CN201810563054A CN109404907A CN 109404907 A CN109404907 A CN 109404907A CN 201810563054 A CN201810563054 A CN 201810563054A CN 109404907 A CN109404907 A CN 109404907A
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- China
- Prior art keywords
- fire
- burner
- fire row
- sheet body
- 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
- F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
- F23D14/08—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with axial outlets at the burner head
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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
- F23D14/12—Radiant burners
- F23D14/18—Radiant burners using catalysis for flameless combustion
-
- 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
- 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
-
- 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
- F23D14/62—Mixing devices; Mixing tubes
- F23D14/64—Mixing devices; Mixing tubes with injectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2203/00—Gaseous fuel burners
- F23D2203/007—Mixing tubes, air supply regulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/14—Special features of gas burners
- F23D2900/14003—Special features of gas burners with more than one nozzle
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
Abstract
The invention discloses a kind of burner and gas heater, which includes the first fire row, and first fire row includes flame portion interconnected and injector；The flame portion includes the open cavity of one side and the combustion panel that the open-mouth is arranged in；The injector includes connecting plate and at least two first ejector pipes that are arranged on the connecting plate, and at least two first ejector pipes are connected with the cavity；Wherein, the flame portion is connect at least two injectors.Burner proposed by the present invention advantageously accounts for the thermic load of burner and discharged nitrous oxides rate mutually restricts, it is difficult to while the drawbacks of obtain promotion.
Description
Parent application number: 201710704426.9；Denomination of invention: burner and gas heater；
The applying date: on 08 16th, 2017
Technical field
The present invention relates to gas utensil technical field more particularly to a kind of burners and gas heater.
Background technique
Currently, civilian burner is widely used in each family, such as the household supplies such as gas-cooker, wall-hung boiler, it is existing
Wall-hung boiler be one kind using combustion gas as main energy sources, the heating of cosy house and the housed device of domestic hot-water are provided,
Wall-hung boiler heating has powerful central-heating system, is able to satisfy the requirement in more rooms, and what wall-hung boiler was just becoming Chinese family must
Want equipment.
It is well known that the burner in wall-hung boiler is to be related to the critical component of wall-hung boiler performance and efficiency, thermic load and nitrogen
Emissions of oxides rate is to measure the important parameter of burner performance.Existing burner when reducing discharged nitrous oxides rate,
Thermic load will also decrease.Above-mentioned technical proposal there are the drawbacks of be that the thermic load and discharged nitrous oxides rate of burner are mutually made
About, it is difficult to while being promoted.
Summary of the invention
The main purpose of the present invention is to provide a kind of burner and gas heaters, it is intended to solve the thermic load of burner
It is mutually restricted with discharged nitrous oxides rate, it is difficult to while the drawbacks of obtain promotion.
To achieve the above object, burner provided by the invention includes the first fire row, and first fire row includes mutually interconnecting
The flame portion connect and injector；The flame portion includes the open cavity of one side and the combustion front that the open-mouth is arranged in
Plate；The injector includes connecting plate and at least two first ejector pipes that are arranged on the connecting plate, described at least two
First ejector pipe is connected with the cavity；
Wherein, the flame portion is connect at least two injectors.
Preferably, the quantity of the injector is three, and three injectors are arranged side by side to be connect with the flame portion.
Preferably, the quantity of first ejector pipe is three, and three first ejector pipes are connected to the cavity.
Preferably, the burner further includes at least one second fire row, and second fire row includes the second ejector pipe, described
Airflow channel is formed inside second ejector pipe, one end of second ejector pipe is the air intake be connected with the airflow channel,
The other end of second ejector pipe is the gas outlet be connected with the airflow channel, the gas outlet be formed with it is multiple with it is described
The fire output hole of airflow channel conducting.
Preferably, first fire row and second fire row are arranged alternately.
Preferably, second ejector pipe include in face of setting the first sheet body and the second sheet body, first sheet body and
The airflow channel is formed between second sheet body；The gas outlet of second ejector pipe be equipped with the first shelf, described first
Shelf is set between first sheet body and second sheet body, and first shelf limits to be formed and connect with the airflow channel
Logical multiple first fire output holes.
Preferably, second ejector pipe gas outlet is additionally provided with the second shelf, and second shelf goes out fire described first
The second fire output hole for being formed and being connected to the airflow channel is limited in hole, the hole wall of first fire output hole goes out fire with described second
There are gaps between the hole wall in hole.
Preferably, the combustion panel is metal mesh or the ceramic wafer with honeycomb hole, and is provided on the combustion panel
Catalyst.
Preferably, the burner further includes fixing piece, and the open-mouth in the flame portion is formed with step, the combustion front
Plate is fixed on the step by the fixing piece.
To achieve the above object, the present invention also provides a kind of gas heater, the gas heater includes such as above-mentioned
Burner described in one.
In technical solution proposed by the present invention, the flame portion with cavity and at least two are provided in single first fire row
A the first ejector pipe being connected with the cavity, combustion gas and air enter flame portion from the first ejector pipe, due in flame portion
Cavity is a more closed space, and combustion gas and air are mixed in the cavity to reach full premixing effect, and in combustion panel quilt
It lights.Since single injector has at least two first ejector pipes, this makes the quantity of air inlet more, combustion gas injection air
Ability increase, and then the air content for entering injector increases, and after air and combustion gas are thoroughly mixed in the cavity, is firing
It burns and is ignited pin mark combustion at panel, combustion gas is fully burned, to reduce the generation of nitrogen oxides, while improving thermal effect
Rate；Simultaneously as the quantity of injector is at least two, the first ejector pipe at least two of each injector, substantially to increase
It is added in the heat of the release in the unit time, to improve the thermic load bearing capacity of burner, so that the first fire row is conducive to
The thermic load and discharged nitrous oxides rate for solving burner mutually restrict, it is difficult to while the drawbacks of obtain promotion.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the schematic view of the front view of burner in one embodiment of the invention；
Fig. 2 is the overlooking structure diagram of burner shown in FIG. 1；
Fig. 3 is the side structure schematic view of burner shown in FIG. 1；
Fig. 4 is the schematic view of the front view of the two o'clock air intake structure of the first fire row in one embodiment of the invention；
Fig. 5 is the overlooking structure diagram of the first fire row shown in Fig. 4；
Fig. 6 is the schematic diagram of the section structure of the first fire row shown in Fig. 4；
Fig. 7 is the package assembly of the first fire row shown in Fig. 4 with reference to figure；
Fig. 8 is the schematic view of the front view of 3 air intake structures of the first fire row in another embodiment of the present invention；
Fig. 9 is the overlooking structure diagram of the first fire row shown in Fig. 8；
Figure 10 is the package assembly of the first fire row shown in Fig. 8 with reference to figure；
Figure 11 is the schematic view of the front view of the second fire row in one embodiment of the invention；
Figure 12 is the overlooking structure diagram of the second fire row shown in Figure 11；
Figure 13 is enlarged drawing at the A of the second fire row shown in Figure 12.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple " contain
Justice is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. shall be understood in a broad sense,
For example, " fixation " may be a fixed connection, it may be a detachable connection, or integral；It can be mechanical connection, be also possible to
Electrical connection；It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary
The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
It in addition, the technical solution between each embodiment of the present invention can be combined with each other, but must be general with this field
Based on logical technical staff can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve this
The combination of technical solution is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of burner.
Fig. 1 to Fig. 4, Fig. 8 and Figure 11 are please referred to, in the present embodiment, which includes at least 1 be set side by side
One fire row 100 and at least one second fire row 200, first fire row 100 include flame portion 110 interconnected and injector
120；The flame portion 110 includes the open cavity 111 of one side and the combustion panel 113 that the open-mouth is arranged in；It is described
Injector 120 includes connecting plate 121 and at least two first ejector pipes 122 that are arranged on the connecting plate 121, and at least two
First ejector pipe 122 is connected with the cavity 111；Second fire row 200 includes the second ejector pipe, and described second draws
It penetrates and forms airflow channel 210 inside pipe, one end of second ejector pipe is the air intake be connected with the airflow channel 210
213, the other end of second ejector pipe is the gas outlet be connected with the airflow channel 210, and the gas outlet is formed with more
A fire output hole 220 with the airflow channel 210 conducting.
In technical solution proposed by the present invention, the flame portion 110 with cavity 111 is provided in single first fire row 100
And at least two the first ejector pipes 122 for being connected with the cavity 111, combustion gas and air enter from the first ejector pipe 122 to be sprayed
Fiery portion 110, since the cavity 111 in flame portion 110 is a more closed space, combustion gas and air mix in cavity 111
To reach full premixing effect, and it is ignited in combustion panel 113.Since single injector 120 has at least two first injections
Pipe 122, this makes the quantity of air inlet more, and the ability of combustion gas injection air increases, and then the air for entering injector 120 contains
After amount increase, air and combustion gas are thoroughly mixed in cavity 111, pin mark combustion is ignited at combustion panel 113, combustion gas obtains
To full combustion, to reduce the generation of nitrogen oxides, while the thermal efficiency is improved；Meanwhile second fire row 200 draw second
It penetrates and forms airflow channel 210 inside pipe, second ejector pipe one end is air intake 213, and the other end forms multiple and airflow channel 210
The fire output hole 220 of conducting, therefore, the second ejector pipe carry out primary air injection in air intake 213, and in 220 position of fire output hole
It carries out auxiliary air to fill into, to realize through the biggish thermic load of lesser fire hole area receiving, thus the first fire row 100 and the
The burner of composition is set side by side in two fire rows 200, and the thermic load and discharged nitrous oxides rate for advantageously accounting for burner are mutually made
About, it is difficult to while the drawbacks of obtain promotion.
The difference of first fire row 100 and the second fire row 200 essentially consists in, and the first fire row 100 is at 122 top of the first ejector pipe
Cavity 111 is set, and combustion panel 113 is set in cavity 111.Cavity 111 provides the full premixing space of combustion gas and air, the
One fire row 100 forms fully-premixed fire row；(diffusion area 212 goes out opening of second fire row 200 directly at the top of the second ejector pipe
Mouthful) at form multiple fire output holes 220, since 220 size of fire output hole is smaller, the second entering in the second ejector pipe of fire row 200
Port 213 carries out primary air injection, during fuel gas buring, also will do it auxiliary air at fire output hole 220 and fills into, and second
Fire row 200 forms air suspended type fire row.First fire row 100 and the second fire row 200 are used in combination, which can reach fully-premixed
The combustion efficiency combined with air suspended type, air suspended type can bear larger thermic load when compared with small fire hole area, in identical combustion gas stream
Under amount state, the temperature that atmospheric burning type does not have full premix combustion to discharge is high, and for efficiency lower than full premix, atmospheric burning type can be with
Increase the thermic load in smaller space.The combustion system premixed entirely can meet low nitrogen requirement, so as to generated after fuel gas buring
Nitrogen oxides reduces.In specific application, it can be designed by the structure of burner, full premix combustion is made to play a leading role, and
The combustion system of air suspended type helps out, to reduce nitrogen oxide emission.
In the prior art, burner reduces nitrogen oxygen frequently with the deep or light structure of strong drum horizontal injection or water-cooled structure
The generation of compound, but the drum deep or light structure of horizontal injection is needed using blower etc. by force, material cost is higher；Water-cooled structure needs
It to use heat conducting pipe to pass through several fire rows, cause the overall dimensions of burner larger, material cost is also higher.Using the present invention
The technical solution of proposition, it is only necessary on the basis of 120 existing structure of injector, increase the quantity of the first ejector pipe 122, and make
Existing plate fiery out, compared with both the above mode, the entirety of burner are replaced with the flame portion 110 with cavity 111
Size is smaller, and material cost is lower.
It should be noted that the injector 120 can be manufactured by way of pressing, wherein be arranged on connecting plate 121
At least two injectors 120 between connected by way of spot welding, and by the edge of connecting plate 121 carry out bound edge processing.
The difference of first fire row 100 and the second fire row 200 can be only that out that (the first fire row 100 is set for the difference of fiery structure
Set open cavity 111 and combustion panel 113, and the second ejector pipe of the second fire row 200 directly gas outlet formed it is multiple go out
Fire hole 220), and the injector portion structure of the first fire row 100 and the second fire row 200 can be identical, that is to say, that in the present invention
Second ejector pipe of the second fire row 200 can be single or single, can also be in the matrix form distribution of two rows or more, specifically
, the arrangement mode and quantity of each second ejector pipe in the second fire row 200 are referred to the first fire row 100 in the present invention
Ejector structure in the first ejector pipe 122 arrangement mode and quantity setting.In the present embodiment, burner is by seven first
Fire row 100 and six the second fire row 200 compositions, each second fire row 200 are set between two adjacent the first fire rows 100, and
An ejector pipe is arranged in each second fire row 200.Certainly, the quantity of first fire row 100 and the second fire row 200 not with
This is limited.
Preferably, first fire row 100 and second fire row 200 are arranged alternately.First fire row 100 is due to being provided with
Cavity 111 and combustion panel 113, therefore, the head of the first fire row 100 occupy larger space, and the head of the second fire row 200 occupies
Smaller space reserves smaller position between two the first fire rows 100, in order to install the second fire row 200, in two first fire
Atmospheric burning type is realized by the second fire row 200 between row 100, the whole thermal load of burner can be improved.Due to air suspended type
The transmitting of aflame flame is apart from farther, therefore, when the first fire row 100 and the second fire row 200 are arranged alternately, the flame of burner
Transmission effect is more preferable.
Certainly, the mode that the first fire row 100 and the second fire row 200 are set side by side is without being limited thereto, can also be at two first
At least two second fire rows 200 are set between fire row 100.When at least two second 200 continuously settings of fire row, the second fire row
200 regions being set side by side need to fill into more auxiliary airs in burning, and excessive auxiliary air, which fills into, will draw high burning fire
Flame improves the amount of nitrogen oxides that combustion process generates, and therefore, preferably the first fire row 100 and the second fire row 200 are handed in the present embodiment
For the mode of setting.
As the preferred embodiment of the present invention, in the first fire row 100, the flame portion 110 with draw described at least two
Emitter 120 connects, and at least two first ejector pipes 122 of the injector 120 are connected with the cavity 111.
According to the exact arrangement inside burner and gas appliance, the flame portion 110 of suitable shape can be accordingly selected, with the vertical of Fig. 6
Transverse direction is illustrated, and when the transverse direction in flame portion 110 is longer, at least two injectors 120 can be arranged in same
On straight line, realize that multiple first ejector pipes 122 are connected with the cavity 111 in flame portion 110；When the longitudinal direction in flame portion 110
When longer, at least two injectors, 120 parallel side-by-side can be arranged.At least two injectors, 120 parallel side-by-side is set below
The case where setting is illustrated.
Two injectors 120 of parallel side-by-side, each injector can be set in single first fire row 100 of burner
Setting is there are three the first ejector pipe 122 on 120, and there are six ejecting ports 123, i.e. air inlet in total for single first fire row 100.Burning
Also three injectors 120 of parallel side-by-side can be set in single first fire row 100 of device, be arranged on each injector 120
There are three the first ejector pipe 122, single first fire row 100 a total of nine ejecting ports 123, i.e. air inlet.By single first fire
Row 100 is equipped with multiple Verticle air-adjusting devices 120 and Verticle air-adjusting device 120 arranged in parallel and is equipped with multiple first ejector pipes
122, it is greatly improved ejector capacity, structure is simple, and easily manufactured, at low cost, conformability is strong, full premix combustion, no
The thermal efficiency and thermic load only can be improved, the quality and service index of the gas appliance using the burner can also be improved, and
It is able to satisfy the requirement of complete machine low-nitrogen oxide discharging.
Certainly, the first fire row 100 is also possible to be arranged in the structure namely single first fire row 100 of single multiple spot air inlet
There is an injector 120, multiple first ejector pipes 122 are provided on the injector 120.Refer to Fig. 4 to Figure 10, the first fire row
It can be two o'clock air intake structure, or 3 air intake structures.At this point, the section of the first fire row 100 of 3 air intake structures
Structural schematic diagram is referred to the schematic diagram of the section structure of the first fire row 100 of two o'clock air intake structure shown in fig. 6.
It is appreciated that in the burner, the quantity of first fire row 100 is at least two, specifically, at least two institutes
State the setting of 100 parallel side-by-side of the first fire row.The increase of first fire row, 100 quantity, can so that the area of combustion boundary is increase accordingly
To play the role of heating rapidly.If gas heater, which can achieve, to be opened by the burner application in gas heater
I.e. hot uses water effect.
Referring once again to Fig. 4 to Figure 10, first ejector pipe 122 includes the ejecting port 123 and diffusion of supplied gas circulation
Section 125 is connected between the ejecting port 123 and the diffuser 125 by mixing section 124, and the flame portion 110 is arranged in institute
The exit of diffuser 125 is stated, and the cavity 111 is connected with the diffuser 125.Combustion gas is by gas valve through gas pipeline
Each ejecting port 123 is spurted into from nozzle 300, combustion gas is after mixing section 124 mixes primary air through spraying into flame by diffuser 125
The cavity 111 in portion 110, and spray and burn from combustion panel 113.First ejector pipe 122 can T-shaped or tobacco pipe type, tobacco pipe type
The first ejector pipe 122 be usually used in rousing the deep or light structure of horizontal injection by force.In the present invention, it is preferred to the first ejector pipe of T-type
122, it occupies little space, and since the first ejector pipe 122 is vertical structure, be conducive to the first fire row 100 and nozzle 300
Arrangement, furthermore it is possible in right amount increase mixing section 124 length, be conducive to improve combustion gas and air premixing effect, be conducive to
Fuel gas buring is more abundant.
Referring to Fig. 7, which further includes nozzle 300, each nozzle 300 respectively with an ejecting port
123 or an air intake 213 (Figure 11) be arranged in a one-to-one correspondence.Settable jet long tube, jet long tube and fuel gas conduit on burner
Road connection, jet long tube are equipped with multiple nozzles 300.Ejecting port 123 due in the present invention, in single first fire row 100
Increase, the aperture of the nozzle 300 of corresponding ejecting port is accordingly reduced.It is described below, in the prior art, single
Ejecting port 123 in one fire row 100 is one, and the bore of ejecting port 123 is larger, the aperture of corresponding nozzle 300 also accordingly compared with
, in the present invention, it is illustrated with the structure that the first fire row 100 is single 3 air inlets, due to single the
Ejecting port 123 in one fire row 100 is three, then the aperture for the nozzle 300 that corresponding ejecting port 123 is arranged only needs 0.4mm.
When the aperture of nozzle 300 is smaller, the flow velocity that combustion gas is sprayed from nozzle 300 is faster, is conducive to the more primary airs of injection and carries out
It is combustion-supporting, to promote the completely burned of combustion gas.
Figure 11 is please referred to, enters gas direction to outgassing direction along the second fire row 200, set gradually the second ejector pipe enters gas
Mouth 213, mixed zone 211, diffusion area 212, fire output hole 220 are formed in the outlet in diffusion area 212, wherein mixed zone 211 and diffusion
Area 212 is formed in the airflow channel 210 of the second ejector pipe.When burner is in use state, combustion gas is by gas valve through firing
Feed channel spurts into each air intake 213 from nozzle 300, and the combustion gas entered from the air intake 213 of the second fire row 200 is in air intake
213 injections enter mixed zone 211 and form flammable premixed gas into primary air, combustion gas and primary air, combustibility premix
It sprays and burns from fire output hole 220 after the diffusion action that gas passes through diffusion area 212.In combustion, shape between hot and cold air
At strong convection current, therefore auxiliary air can enter 220 region of fire output hole, effectively oxygen needed for aftercombustion,
To keep burning more substantially stabilized, the thermal efficiency and adaptability of burner are improved.
Referring once again to Fig. 6, which further includes sealing strip 130 and pressing plate 140, and the sealing strip 130 is arranged in institute
Flame portion 110 is stated on the side of the opening, the end of the diffuser 125 is provided with flange 126, the flange 126
It is arranged between the sealing strip 130 and the pressing plate 140, the pressing plate 140 is fixedly connected with the flame portion 110.It can be with
Understand, need to be tightly connected between diffuser 125 and cavity 111, combustion gas and air is avoided to leak outside.Sealed connection mode has
It is a variety of, for example, the side wall of the side wall of diffuser 125 and cavity 111 realizes that sealing is fixed by laser welding；Alternatively, injector
120 are integrally formed with flame portion 110；Alternatively, by using screw 150 or snapping connection the mode of pressing plate 140 and flame portion 110
Injector 120 is detachably fixed with flame portion 110 and is connect, is conducive to the maintenance of burner, and in flange 126 and flame portion
Sealing strip 130 is provided between 110 side wall, it is ensured that combustion gas and air will not leak outside.
In one embodiment of the present invention, the burner further includes fixing piece 160, the opening in the flame portion 110
Place is formed with step 112, and the combustion panel 113 is fixed on the step 112 by the fixing piece 160.Flame portion 110
Cavity 111 in the mixed gas of combustion gas and air from combustion panel 113 through-hole spray, and be ignited pin mark combustion, pass through
Combustion panel 113 of 160 fixed placement of fixing piece on 110 step 112 of flame portion can guarantee the smooth of combustion panel 113
Degree, to guarantee the stability of flame.
Figure 11 is please referred to Figure 13, it is preferable that second ejector pipe includes the first sheet body 230 and second in face of setting
Sheet body 240 forms the airflow channel 210 between first sheet body 230 and second sheet body 240；Second injection
The gas outlet of pipe is equipped with the first shelf 250, and first shelf 250 is set to first sheet body 230 and second sheet body 240
Between, and first shelf 250 limits multiple first fire output holes 221 for being formed and being connected to the airflow channel 210.First goes out
The shape of fire hole 221 is unlimited, can be round, rectangular, bar shaped and any regular or irregular shape.Specifically, can make
First shelf 250 is to the projecting inward formation boss 223 of the first fire output hole 221, and to reduce the aperture of the first fire output hole 221, first goes out
The aperture of fire hole 221 reduces, and is conducive to improve gas in the flow velocity of the first fire output hole 221, flame is avoided to return in burning
Fiery phenomenon.
First shelf 250 may include the first plate body 251 and the second plate body 252 in face of setting, and the first plate body 251 includes
Alternately the first straight plate part 253 and the first bending part 254 of connection, the second plate body 252 include the second straight plate part 255 of alternately connection
With the second bending part 256, the first straight plate part 253 of the first plate body 251 is connected to the second straight plate part 255 of the second plate body 252
Between two adjacent the first fire output holes 221, the second bending of the first bending part 254 and the second plate body 252 of the first plate body 251
First fire output hole 221 is formed between portion, further, the boss 223 for being formed in the first fire output hole 221 can be by the first plate body
251 the first bending part 254 to the projecting inward formation of the first fire output hole 221, can also from the second bending part of the second plate body 252 to
The projecting inward formation of first fire output hole 221.
It is furthermore preferred that the gas outlet of second ejector pipe is additionally provided with the second shelf 260, second shelf 260 is in institute
It states in the first fire output hole 221 and limits the second fire output hole 222 for being formed and being connected to the airflow channel 210, first fire output hole
There are gaps between 221 hole wall and the hole wall of second fire output hole 222.The shape of second fire output hole 222 is unlimited.First
The second fire output hole 222 is formed in fire output hole 221, is conducive to the first fire output hole 221 being divided into multiple apertures, to further decrease
220 area of fire output hole of second fire row 200.The hole wall of second fire output hole 222 can be deposited between the hole wall of the first fire output hole 221
In gap.In the present embodiment, the second shelf 260 includes the third plate body 261 and the 4th plate body 262 in face of setting, third plate
Body 261 includes the third straight plate part 263 and third bending part 264 of alternately connection, and the 4th plate body 262 includes the 4 of alternately connection
Straight plate part 265 and the 4th bending part 266, the third straight plate part 263 of third plate body 261 and the 4th straight plate part of the 4th plate body 262
265 are connected between two adjacent the second fire output holes 222, the third bending part 264 and the 4th plate body 262 of third plate body 261
The 4th bending part 266 between form second fire output hole 222.It, can be at each as further improvement of this embodiment
At least two second fire output holes 222, the company of corresponding two the second fire output holes 222 of the boss 223 are formed between first fire output hole 221
Connect position setting.
Further, in the second ejector pipe, the two edges of 230 two edges of the first sheet body and the second sheet body 240 are fixed respectively
One, and intermediate formation airflow channel 210；First shelf 250 and the second shelf 260 are respectively arranged at 230 He of the first sheet body
Between second sheet body 240, the both ends of the first shelf 250 are individually fixed in the edge of the first sheet body 230 and the side of the second sheet body 240
Between edge, to realize the fixation of the first shelf 250, the edge and second of the first sheet body 230 is fixed at the both ends of the second shelf 260
Between the edge of sheet body 240, to realize the fixation of the second shelf 260.Further, the first sheet body 230 and the second sheet body 240
In the both ends of one of them can each extend over out bending edge, which is bent to form accommodating space, the first sheet body 230
With the both ends at the both ends of the other of the second sheet body 240 and the both ends of the first shelf 250 and the second shelf 260, receive respectively
Two accommodating spaces are dissolved in, and are gripped by the bending edge.
Further, the combustion panel 113 is metal mesh or the ceramic wafer with honeycomb hole, and on the combustion panel 12
It is provided with catalyst.Certainly, combustion panel 12 can also select other high temperature resistants, corrosion-resistant material.On combustion panel 12
Addition catalyst can restore nitrogen oxides, to reduce the content of nitrogen oxides in effluent.
The side in face of nozzle 300 of first fire row 100 can also be arranged fire row bracket 170 (Fig. 7), the fire row bracket
170 side in face of the first fire row 100 extends to inside ejecting port 123, and be connected to inside first ejector pipe 122,
The side in face of nozzle 300 of the fire row bracket 170 extends to form adjutage, with by adjutage around being formed and nozzle
300 opposite gas accommodating spaces.
The burner is additionally provided with ignition electrode, inductive needle and sparking plate, wherein the inductive needle is for detecting whether generate
Flame；Plate of striking sparks is arranged close to ignition electrode, and to receive the spark discharged when igniting needle-discharging igniting by needle point, this spark passes through combustion
Gas lights fire, and the needle point of ignition electrode and the optimum distance of sparking plate are 4~5mm.Ignition electrode is connect with inductive needle with electric controller,
And receptor site air controls.
Further, 220 top of the fire output hole of the second fire row 200 is arranged in the ignition electrode of the burner.Tool
Body, since atmospheric burning type forms apparent flame, ignition results are more preferable and reaction speed faster, therefore, can be by point
220 top of fire output hole of the second fire row 200 is arranged in fiery needle.Certainly, ignition electrode is arranged in the flame portion of the first fire row 100
Side, is also similarly included within the scope of the present invention.
The present invention also proposes a kind of gas heater, which includes the burning such as above-mentioned any embodiment
Device.The specific structure of the burner is referring to above-described embodiment, since this gas heater uses the complete of above-mentioned all embodiments
Portion's technical solution, therefore at least all beneficial effects brought by the technical solution with above-described embodiment, herein no longer one by one
It repeats.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the design of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/it is used in it indirectly
He is included in scope of patent protection of the invention relevant technical field.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810563054.7A CN109404907A (en) | 2017-08-16 | 2017-08-16 | Burner and gas heater |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710704426.9A CN109404905A (en) | 2017-08-16 | 2017-08-16 | Burners and Gas Water Heaters |
| CN201810563054.7A CN109404907A (en) | 2017-08-16 | 2017-08-16 | Burner and gas heater |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710704426.9A Division CN109404905A (en) | 2017-08-16 | 2017-08-16 | Burners and Gas Water Heaters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109404907A true CN109404907A (en) | 2019-03-01 |
Family
ID=65454734
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710704426.9A Pending CN109404905A (en) | 2017-08-16 | 2017-08-16 | Burners and Gas Water Heaters |
| CN201810563054.7A Pending CN109404907A (en) | 2017-08-16 | 2017-08-16 | Burner and gas heater |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710704426.9A Pending CN109404905A (en) | 2017-08-16 | 2017-08-16 | Burners and Gas Water Heaters |
Country Status (1)
| Country | Link |
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| CN (2) | CN109404905A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454818A (en) * | 2019-09-11 | 2019-11-15 | 浙江惠厨节能科技有限公司 | The T-shaped combination igniting blowout protection of one kind and kindling material structure |
| CN114688535A (en) * | 2020-12-30 | 2022-07-01 | 广东万和新电气股份有限公司 | Atmospheric burners and hot water equipment |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109747595A (en) * | 2019-03-15 | 2019-05-14 | 阜阳市长海环保设备科技有限公司 | An environmentally friendly steam intelligent remote control electric three-wheel car washing machine |
| CN111853786A (en) * | 2019-04-25 | 2020-10-30 | 芜湖美的厨卫电器制造有限公司 | Burner and hot water appliance having the same |
| CN112066369B (en) * | 2019-06-10 | 2022-10-04 | 芜湖美的厨卫电器制造有限公司 | Combustor, hanging stove and water heater |
| CN113137748B (en) * | 2020-01-19 | 2024-11-01 | 芜湖美的厨卫电器制造有限公司 | Combustor and gas water heater with same |
| CN113701155B (en) * | 2021-09-03 | 2022-09-30 | 广东美的厨房电器制造有限公司 | Burners and Cooking Appliances |
| CN113654044A (en) * | 2021-09-13 | 2021-11-16 | 珠海格力电器股份有限公司 | Combustor and water heater with same |
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| CN114688535A (en) * | 2020-12-30 | 2022-07-01 | 广东万和新电气股份有限公司 | Atmospheric burners and hot water equipment |
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| Publication number | Publication date |
|---|---|
| CN109404905A (en) | 2019-03-01 |
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Application publication date: 20190301 |
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