CN207065570U - Burner and gas heater - Google Patents

Abstract

The utility model discloses a kind of burner and gas heater, the burner includes at least one first fire row and at least one second fire row being set up in parallel, and the first fire row includes flame portion and the injector being connected with each other；Flame portion includes the open cavity of one side and is arranged on the combustion panel of open-mouth；Injector includes connecting plate and at least two first induction tunnels being arranged on connecting plate, and at least two first induction tunnels are connected with cavity；Second fire row includes the second induction tunnel, second induction tunnel is internally formed gas channel, one end of second induction tunnel is the air intake turned on gas channel, and the other end of the second induction tunnel is the gas outlet turned on gas channel, and gas outlet is formed with multiple fire output holes turned on gas channel.The utility model proposes burner advantageously account for the thermic load of burner and discharged nitrous oxides rate mutually restricts, it is difficult to while the drawbacks of obtain lifting.

Description

Burner and gas heater

Technical field

It the utility model is related to gas utensil technical field, more particularly to a kind of burner and gas heater.

Background technology

At present, civilian burner is widely used in each family, such as the household supplies such as gas-cooker, wall-hung boiler, existing Some wall-hung boilers are one kind using combustion gas as main energy sources, there is provided the housed device of cosy house heating and domestic hot-water, Wall-hung boiler heating has powerful central-heating system, can meet the requirement in more rooms, wall-hung boiler just as Chinese family must Want equipment.

It is well known that the burner in wall-hung boiler is the critical component for being related to wall-hung boiler performance and efficiency, thermic load and nitrogen Emissions of oxides rate is to weigh the important parameter of burner performance.Existing burner when reducing discharged nitrous oxides rate, its Thermic load will also decrease.The drawbacks of above-mentioned technical proposal is present is that the thermic load and discharged nitrous oxides rate of burner are mutually made About, it is difficult to while lifted.

Utility model content

Main purpose of the present utility model is to provide a kind of burner and gas heater, it is intended to solves the heat of burner Load and discharged nitrous oxides rate mutually restrict, it is difficult to while the drawbacks of obtain lifting.

To achieve the above object, burner provided by the utility model includes at least one first fire row that is set up in parallel and extremely Few one second fire row, first fire row include flame portion and the injector being connected with each other；It is open that the flame portion includes one side Cavity and be arranged on the combustion panel of the open-mouth；The injector includes connecting plate and is arranged on the connecting plate At least two first induction tunnels, at least two first induction tunnels are connected with the cavity；Second fire row includes Second induction tunnel, second induction tunnel are internally formed gas channel, and one end of second induction tunnel is to lead to the air-flow The air intake of road conducting, the other end of second induction tunnel are the gas outlet turned on the gas channel, the gas outlet Formed with multiple fire output holes turned on the gas channel.

Preferably, first fire row and second fire row are arranged alternately.

Preferably, the flame portion is connected with least two injectors, and described at least two of the injector First induction tunnel is connected with the cavity.

Preferably, at least two injector parallel side-by-sides are set.

Preferably, the burner also includes fixture, and the open-mouth in the flame portion is formed with step, the combustion front Plate is fixed on the step by the fixture.

Preferably, second induction tunnel include in face of set the first lamellar body and the second lamellar body, first lamellar body and The gas channel is formed between second lamellar body；The gas outlet of second induction tunnel is provided with the first shelf, and described first Shelf is located between first lamellar body and second lamellar body, and first shelf is limited to be formed and connected with the gas channel Logical multiple first fire output holes.

Preferably, the gas outlet of second induction tunnel is additionally provided with the second shelf, and second shelf goes out described first The second fire output hole for being formed and being connected with the gas channel is limited in fire hole, the hole wall of first fire output hole goes out with described second Gap be present between the hole wall of fire hole.

Preferably, the combustion panel is wire netting or the ceramic wafer with honeycomb hole, and is provided with the combustion panel Catalyst.

Preferably, the ignition electrode of the burner is arranged on above the fire output hole of the second fire row.

To achieve the above object, the utility model also provides a kind of gas heater, and the gas heater is included as above State the burner described in any one.

The utility model proposes technical scheme in, flame portion with cavity and extremely is provided with single first fire row Few two the first induction tunnels being connected with the cavity, combustion gas and air enter flame portion from the first induction tunnel, due to flame portion Interior cavity is the space of a relatively closing, and combustion gas and air are mixed to reach full premixing effect, and in combustion front in cavity Plate is ignited.Because single injector has at least two first induction tunnels, this make it that the quantity of air inlet is more, combustion gas injection After the ability increase of air, and then the air content increase of entrance injector, air and combustion gas are thoroughly mixed in cavity, Ignited pin mark combustion, combustion gas are fully burned, so as to reduce the generation of nitrogen oxides, improved simultaneously at combustion panel The thermal efficiency；Meanwhile second fire row in the second induction tunnel be internally formed gas channel, second induction tunnel one end is air intake, another End form multiple fire output holes turned on gas channel, therefore, the second induction tunnel air intake progress primary air injection, and Fire output hole position carries out auxiliary air and filled into, and larger thermic load is born by less fire hole area to realize, so as to first Fire row is set up in parallel the burner of composition with the second fire row, advantageously accounts for the thermic load and discharged nitrous oxides rate phase of burner Mutually restrict, it is difficult to while the drawbacks of obtain lifting.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.

Fig. 1 is the main structure diagram of burner in the embodiment of the utility model one；

Fig. 2 is the overlooking the structure diagram of the burner shown in Fig. 1；

Fig. 3 is the side structure schematic view of the burner shown in Fig. 1；

Fig. 4 is the main structure diagram of 2 air intake structures of the first fire row in the embodiment of the utility model one；

Fig. 5 is the overlooking the structure diagram of the first fire row shown in Fig. 4；

Fig. 6 is the cross-sectional view of the first fire row shown in Fig. 4；

Fig. 7 is the package assembly reference chart of the first fire row shown in Fig. 4；

Fig. 8 is the main structure diagram of 3 air intake structures of the first fire row in another embodiment of the utility model；

Fig. 9 is the overlooking the structure diagram of the first fire row shown in Fig. 8；

Figure 10 is the package assembly reference chart of the first fire row shown in Fig. 8；

Figure 11 is the main structure diagram of the second fire row in the embodiment of the utility model one；

Figure 12 is the overlooking the 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 11.

Drawing reference numeral explanation：

Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than all Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, belong to the scope of the utility model protection.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each part, motion conditions etc., such as When the fruit particular pose changes, then directionality instruction also correspondingly changes therewith.

In addition, and it can not be managed in the utility model such as relating to the description of " first ", " second " etc. is only used for describing purpose Solve to indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the One ", at least one this feature can be expressed or be implicitly included to the feature of " second ".It is " more in description of the present utility model It is individual " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.

In the utility model, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should do broad sense reason Solution, for example, " fixation " can be fixedly connected or be detachably connected, or integrally；Can mechanically connect, also may be used Be electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be the connection of two element internals Or the interaction relationship of two elements, limited unless otherwise clear and definite.For the ordinary skill in the art, can be with Concrete meaning of the above-mentioned term in the utility model is understood as the case may be.

In addition, the technical scheme between each embodiment of the utility model can be combined with each other, but must be with ability Domain those of ordinary skill can be implemented as basis, will be understood that when the combination appearance of technical scheme is conflicting or can not realize The combination of this technical scheme is not present, also not within the protection domain of the requires of the utility model.

The utility model proposes a kind of burner.

Fig. 1 be refer to Fig. 4, Fig. 8 and Figure 11, in the present embodiment, the burner include being set up in parallel at least 1 the One fire row 100 and at least one second fire row 200, first fire row 100 include flame portion 110 and the injector being connected with each other 120；The flame portion 110 includes the open cavity 111 of one side and is arranged on the combustion panel 113 of the open-mouth；It is described Injector 120 includes connecting plate 121 and at least two first induction tunnels 122 that are arranged on the connecting plate 121, and at least two First induction tunnel 122 is connected with the cavity 111；Second fire row 200 includes the second induction tunnel, and described second draws Penetrate pipe and be internally formed gas channel 210, one end of second induction tunnel is the air intake with the gas channel 210 conducting 213, the other end of second induction tunnel is the gas outlet with the gas channel 210 conducting, and the gas outlet is formed with more The individual fire output hole 220 with the gas channel 210 conducting.

The utility model proposes technical scheme in, the flame portion with cavity 111 is provided with single first fire row 100 110 and at least two the first induction tunnels 122 being connected with the cavity 111, combustion gas and air enter from the first induction tunnel 122 Flame portion 110, because the cavity 111 in flame portion 110 is the space of a relatively closing, combustion gas and air mix in cavity 111 Close to reach full premixing effect, and be ignited in combustion panel 113.Because single injector 120 has at least two first to draw Pipe 122 is penetrated, this make it that the quantity of air inlet is more, the ability increase of combustion gas injection air, and then enters the air of injector 120 After content increase, air and combustion gas are thoroughly mixed in cavity 111, ignited pin mark combustion, combustion gas at combustion panel 113 It is fully burned, so as to reduce the generation of nitrogen oxides, while improves the thermal efficiency；Meanwhile second fire row 200 second Induction tunnel is internally formed gas channel 210, and second induction tunnel one end is air intake 213, and the other end forms multiple and gas channel The fire output holes 220 of 210 conductings, therefore, the second induction tunnel carry out primary air injection in air intake 213, and in fire output hole 220 Put and carry out auxiliary air and fill into, larger thermic load is born by less fire hole area to realize, so as to the first fire row 100 and Second fire row 200 is set up in parallel the burner of composition, and thermic load and the discharged nitrous oxides rate for advantageously accounting for burner are mutual Restrict, it is difficult to while the drawbacks of obtain lifting.

The difference of first fire row 100 and the second fire row 200 essentially consists in, and the first fire row 100 is at the top of the first induction tunnel 122 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 induction tunnel Mouthful) place forms multiple fire output holes 220, because the size of fire output hole 220 is smaller, therefore, the second entering in the second induction tunnel of fire row 200 Gas port 213 carries out primary air injection, and during fuel gas buring, at fire output hole 220 can also carry out auxiliary air 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, and the burner 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 its efficiency less 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 that caused by after fuel gas buring Nitrogen oxides reduces.In specific application, by the structure design of burner full premix combustion can be 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 needs to use blower fan etc. by force, material cost is higher；Water-cooled structure needs Several fire rows are passed through using heat conducting pipe, cause that the overall dimensions of burner are larger, and material cost is also higher.Using this practicality The technical scheme of new proposition, it is only necessary on the basis of the existing structure of injector 120, increase the quantity of the first induction tunnel 122, And using with cavity 111 flame portion 110 replace it is existing go out fiery plate, compared with both the above mode, burner Overall dimensions are smaller, and material cost is relatively low.

It should be noted that the injector 120 can be manufactured by way of pressing, wherein, it is arranged on connecting plate 121 At least two injectors 120 between connected by way of spot welding, and the edge of connecting plate 121 is subjected to 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 Put opening cavity 111 and combustion panel 113, and the second induction tunnel of the second fire row 200 directly formed in gas outlet 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 with identical, that is to say, that this practicality is new The second induction tunnel of the second fire row 200 can be single or single in type, can also be in matrix form distributions more than two rows, have Body, the arrangement mode and quantity of each second induction tunnel in the second fire row 200 are referred to first in the utility model The arrangement mode and quantity of the first induction tunnel 122 in the ejector structure of fire row 100 are set.In the present embodiment, burner by Seven the first fire rows 100 and six the second fire rows 200 form, and each second fire row 200 is located at two adjacent the first fire rows 100 Between, and each second fire row 200 sets an induction tunnel.Certainly, the fire row 200 of the first fire row 100 and second Quantity is not limited.

Preferably, first fire row 100 and second fire row 200 are arranged alternately.First fire row 100 due to there is provided 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, smaller position is reserved 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 Aflame flame transmission 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 not limited to this that the first fire row 100 and the second fire row 200 are set up in parallel, can also be at two first At least two second fire rows 200 are set between fire row 100.When at least two second fire rows 200 are continuously set, the second fire row 200 regions being set up in parallel need to fill into more auxiliary airs in burning, and excessive auxiliary air, which fills into, will draw high burning fire Flame, amount of nitrogen oxides caused by combustion process is improved, 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 preferred embodiment of the present utility model, in the first fire row 100, institute of the flame portion 110 and at least two State injector 120 to connect, and at least two first induction tunnels 122 of the injector 120 are connected with the cavity 111 It is logical.According to the exact arrangement inside burner and gas appliance, the flame portion 110 of suitable shape can be accordingly selected, with Fig. 6's Direction illustrates in length and breadth, when the horizontal direction in flame portion 110 is longer, can be arranged at least two injectors 120 together On one straight line, realize that multiple first induction tunnels 122 are connected with the cavity 111 in flame portion 110；When the longitudinal direction side in flame portion 110 To it is longer when, the parallel side-by-side of at least two injector 120 can be set.Below to the parallel side-by-side of at least two injector 120 The situation of setting illustrates.

Two injectors 120 of parallel side-by-side, each injector can be provided with single first fire row 100 of burner Three the first induction tunnels 122, single first fire row 100 a total of six ejecting ports 123, i.e. air inlet are provided with 120.Burning Three injectors 120 of parallel side-by-side can also be provided with single first fire row 100 of device, are set on each injector 120 There are three the first induction tunnels 122, single first fire row 100 a total of nine ejecting ports 123, i.e. air inlet.By the single first fire Row 100 is provided with multiple Verticle air-adjusting devices 120 arranged in parallel, and Verticle air-adjusting device 120 is provided with multiple first induction tunnels 122, ejector capacity is greatly improved, its is simple in construction, easily manufactured, and cost is low, and conformability is strong, its full premix combustion, no The thermal efficiency and thermic load can be only improved, the quality and service index of the gas appliance using the burner can also be improved, and The requirement of complete machine low-nitrogen oxide discharging can be met.

Certainly, the first fire row 100 can also be set in the structure of single multiple spot air inlet, namely single first fire row 100 There is an injector 120, multiple first induction tunnels 122 are provided with the injector 120.Refer to Fig. 4 to Figure 10, the first fire row Can be 2 air intake structures, or 3 air intake structures.Now, the section of the first fire row 100 of 3 air intake structures Structural representation is referred to the cross-sectional view of the first fire row 100 of 2 air intake structures 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 the parallel side-by-side of the first fire row 100.The increase of the quantity of first fire row 100 causes the area of combustion boundary accordingly to increase, can To play a part of heating rapidly.If by the burner application in gas heater, gas heater, which can reach, to be opened I.e. hot uses water effect.

Referring once again to Fig. 4 to Figure 10, first induction tunnel 122 includes the ejecting port 123 and diffusion of supplied gas circulation Section 125, is connected, the flame portion 110 is arranged on institute between the ejecting port 123 and the diffuser 125 by mixing section 124 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 passes through after mixing section 124 mixes primary air and sprays into flame by diffuser 125 The cavity 111 in portion 110, and spray and burn from combustion panel 113.First induction tunnel 122 can be with T-shaped or tobacco pipe type, tobacco pipe type The first induction tunnel 122 be usually used in rousing the deep or light structure of horizontal injection by force.In the utility model, the first preferably T-shaped injection Pipe 122, it occupies little space, and because the first induction tunnel 122 is vertical structure, is advantageous to the first fire row 100 and nozzle 300 arrangement, furthermore it is possible to increase the length of mixing section 124 in right amount, be advantageous to improve the premixing effect of combustion gas and air, have It is more abundant beneficial to fuel gas buring.

Referring to Fig. 7, the burner also includes nozzle 300, each nozzle 300 respectively with an ejecting port 123 or air intake 213 (Figure 11) correspond and set.Jet long tube, jet long tube and Gas Pipe can be set on burner Road connects, and jet long tube is provided with multiple nozzles 300.Due in the utility model, the ejecting port in single first fire row 100 123 increases so that the aperture of the nozzle 300 of corresponding ejecting port can accordingly reduce.It is described below, it is in the prior art, single Ejecting port 123 in individual first fire row 100 is one, and the bore of ejecting port 123 is larger, the aperture of corresponding nozzle 300 also phase Should be larger, such as 1.2mm, in the utility model, illustrated with the first fire row 100 for the structure of single 3 air inlets, by In the ejecting port 123 in single first fire row 100 be three, then the aperture for the nozzle 300 that corresponding ejecting port 123 is set only needs Want 0.4mm.When the aperture of nozzle 300 is smaller, the flow velocity that combustion gas sprays from nozzle 300 is faster, and it is more once to be advantageous to injection Air progress is combustion-supporting, so as to promote the completely burned of combustion gas.

Figure 11 is refer to, enters gas direction to outgassing direction along the second fire row 200, set gradually the second induction tunnel enters gas Mouth 213, mixed zone 211, diffusion area 212, fire output hole 220 are formed at the outlet in diffusion area 212, wherein mixed zone 211 and diffusion Area 212 is formed in the gas channel 210 of the second induction tunnel.When burner is in use state, combustion gas is by gas valve through combustion 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 primary air, and combustion gas and primary air form flammable premixed gas into mixed zone 211, combustibility premix Spray and burn from fire output hole 220 after the diffusion action that gas passes through diffusion area 212.In combustion, shape between air Into strong convection current, therefore auxiliary air can enter the region of fire output hole 220, effectively the oxygen needed for aftercombustion, So that burning is more substantially stabilized, the thermal efficiency and adaptability of burner are improved.

Referring once again to Fig. 6, the burner also includes sealing strip 130 and pressing plate 140, and the sealing strip 130 is arranged on institute Flame portion 110 is stated on the open side, the end set of the diffuser 125 has 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.Can be with Understand, need to be tightly connected between diffuser 125 and cavity 111, avoid combustion gas and air from leaking outside.Sealed connection mode has It is a variety of, such as, the side wall of diffuser 125 realizes that sealing is fixed with the side wall of cavity 111 by laser welding；Or injector 120 are integrally formed with flame portion 110；Or by using screw 150 or snap connection the mode in pressing plate 140 and flame portion 110 Injector 120 is detachably fixed with flame portion 110 and is connected, is advantageous 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 an embodiment of the present utility model, the burner also includes fixture 160, the flame portion 110 Open-mouth is fixed on the step 112 formed with step 112, the combustion panel 113 by the fixture 160.Flame The mixed gas of combustion gas and air sprays from the through hole on combustion panel 113 in the cavity 111 in portion 110, and ignited pin mark fires, The flat of combustion panel 113 can be ensured by combustion panel 113 of the fixed placement of fixture 160 on the step 112 of flame portion 110 Whole degree, so as to ensure the stability of flame.

Figure 11 is referred to Figure 13, it is preferable that second induction tunnel includes the first lamellar body 230 and second in face of setting Lamellar body 240, the gas channel 210 is formed between first lamellar body 230 and second lamellar body 240；Second injection The gas outlet of pipe is provided with the first shelf 250, and first shelf 250 is located at first lamellar body 230 and second lamellar body 240 Between, and first shelf 250 limits multiple first fire output holes 221 for being formed and being connected with the gas channel 210.First goes out The shape of fire hole 221 is unlimited, can be circular, square, bar shaped and any regular or irregular shape.Specifically, it can make First shelf 250 is to 221 projecting inward formation boss 223 of the first fire output hole, and to reduce the aperture of the first fire output hole 221, first goes out The aperture of fire hole 221 reduces, and is advantageous to improve flow velocity of the gas in the first fire output hole 221, avoids flame from being returned in burning Fiery phenomenon.

First shelf 250 can 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 kink 254 of connection, the second plate body 252 include the second straight plate part 255 of alternately connection With the second kink 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 kink 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 at the first fire output hole 221 can be by the first plate body 251 the first kink 254 to the 221 projecting inward formation of the first fire output hole, can also from the second plate body 252 the second kink to First fire output hole, 221 projecting inward formation.

It is furthermore preferred that the gas outlet of second induction tunnel is additionally provided with the second shelf 260, second shelf 260 is in institute State in the first fire output hole 221 and limit the second fire output hole 222 for being formed and being connected with the gas channel 210, first fire output hole Gap be present between the hole wall of 221 hole wall and 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 advantageous to the first fire output hole 221 being divided into multiple apertures, further to reduce The area of fire output hole 220 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 3rd plate body 261 and the 4th plate body 262 in face of setting, the 3rd plate Body 261 includes the 3rd straight plate part 263 and the 3rd kink 264 of alternately connection, and the 4th plate body 262 includes the 4th of alternately connection The kink 266 of straight plate part 265 and the 4th, the 3rd straight plate part 263 of the 3rd 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 3rd kink 264 and the 4th plate body 262 of the 3rd plate body 261 The 4th kink 266 between form second fire output hole 222., 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 induction tunnel, the two edges of the two edges of the first lamellar body 230 and the second lamellar body 240 are fixed respectively One, and middle formation gas channel 210；First shelf 250 and the second shelf 260 are respectively arranged at the He of the first lamellar body 230 Between second lamellar body 240, the both ends of the first shelf 250 are individually fixed in the edge of the first lamellar body 230 and the side of the second lamellar body 240 Between edge, to realize the fixation of the first shelf 250, the edge and second of the first lamellar body 230 is fixed at the both ends of the second shelf 260 Between the edge of lamellar body 240, to realize the fixation of the second shelf 260.Further, the first lamellar body 230 and the second lamellar body 240 In the both ends of one of which can each extend over out bending edge, the bending edge is bent to form receiving space, the first lamellar body 230 With the both ends of the other of the second lamellar body 240, and the both ends of the first shelf 250 and the both ends of the second shelf 260, receive respectively Two receiving spaces are dissolved in, and are gripped by the bending edge.

Further, the combustion panel 113 is wire netting 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 reduce nitrogen oxides, so as to reduce the content of nitrogen oxides in effluent.

First fire row 100 can also set fire row support 170 (Fig. 7), the fire row support in face of the side of nozzle 300 170 extend to inside ejecting port 123 in face of the side of the first fire row 100, and are connected with the inside of the first induction tunnel 122, The fire row support 170 extends to form adjutage in face of the side of nozzle 300, with by adjutage around being formed and nozzle 300 relative gas accommodation spaces.

The burner is additionally provided with ignition electrode, inductive needle and sparking plate, wherein, the inductive needle is for detecting whether produce Flame；Plate strike sparks close to ignition electrode setting, to receive the spark discharged during igniting needle-discharging igniting by needle point, this spark passes through combustion Gas lights fire, and the optimum distance of the needle point and sparking plate of ignition electrode is 4~5mm.Ignition electrode is connected with inductive needle with electric controller, And receptor site air controls.

Further, the ignition electrode of the burner is arranged on the top of the fire output hole 220 of the second fire row 200.Tool Body, because atmospheric burning type forms obvious flame, its ignition results is more preferable and reaction speed faster, therefore, can be by point Fiery pin is arranged on the top of fire output hole 220 of the second fire row 200.Certainly, ignition electrode is arranged in the flame portion of the first fire row 100 Side, also similarly it is included in the scope of protection of the utility model.

The utility model also proposes a kind of gas heater, and the gas heater includes the combustion such as above-mentioned any embodiment Burner.The concrete structure of the burner is with reference to above-described embodiment, because this gas heater employs above-mentioned all embodiments Whole technical schemes, therefore all beneficial effects at least caused by the technical scheme with above-described embodiment, it is not another herein One repeats.

Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, Every equivalent structure transformation under design of the present utility model, made using the utility model specification and accompanying drawing content, or Directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.

Claims (10)

1. a kind of burner, it is characterised in that described including at least one first fire row and at least one second fire row being set up in parallel First fire row includes flame portion and the injector being connected with each other；The flame portion includes the open cavity of one side and is arranged on institute State the combustion panel of open-mouth；The injector includes connecting plate and at least two first injections being arranged on the connecting plate Pipe, at least two first induction tunnels are connected with the cavity；Second fire row includes the second induction tunnel, and described second Induction tunnel is internally formed gas channel, and one end of second induction tunnel is the air intake turned on the gas channel, described The other end of second induction tunnel is the gas outlet turned on the gas channel, and the gas outlet is formed with the multiple and air-flow The fire output hole of channel conductive.

2. burner as claimed in claim 1, it is characterised in that first fire row and second fire row are arranged alternately.

3. burner as claimed in claim 1, it is characterised in that the flame portion is connected with least two injectors, And at least two first induction tunnels of the injector are connected with the cavity.

4. burner as claimed in claim 3, it is characterised in that at least two injector parallel side-by-sides are set.

5. the burner as any one of Claims 1-4, it is characterised in that the burner also includes fixture, institute The open-mouth for stating flame portion is fixed on the step formed with step, the combustion panel by the fixture.

6. the burner as any one of Claims 1-4, it is characterised in that second induction tunnel is included in face of setting The first lamellar body and the second lamellar body put, the gas channel is formed between first lamellar body and second lamellar body；Described The gas outlet of two induction tunnels is provided with the first shelf, and first shelf is located between first lamellar body and second lamellar body, And first shelf limits multiple first fire output holes to be formed and be connected with the gas channel.

7. burner as claimed in claim 6, it is characterised in that the second induction tunnel gas outlet is additionally provided with the second shelf, Second shelf limits in first fire output hole forms the second fire output hole for being connected with the gas channel, and described first Gap be present between the hole wall of the hole wall of fire output hole and second fire output hole.

8. the burner as any one of Claims 1-4, it is characterised in that the combustion panel is wire netting or band The ceramic wafer of honeycomb hole, and it is provided with catalyst on the combustion panel.

9. the burner as any one of Claims 1-4, it is characterised in that the ignition electrode of the burner is arranged on Above the fire output hole of second fire row.

10. a kind of gas heater, it is characterised in that the gas heater is included as any one of claim 1 to 9 Burner.