CN209165396U - A kind of efficient ejection burner - Google Patents

Abstract

The utility model relates to a kind of efficient ejection burners, external ring fire cover including annular, it includes pedestal and lid, open-topped ring cavity is offered on pedestal along its length, cover cap is located in the opening of the ring cavity and surrounds outer ring and mix air cavity, and it is offered on the lid and mixes the outer ring fire hole that air cavity is connected to outer ring, the bottom of pedestal is connected with two outer ring ejector pipes, each outer ring ejector pipe mixes air cavity with outer ring respectively and communicates, and each outer ring ejector pipe is laterally arranged, two outer ring ejector pipes are oppositely arranged, and the air inlet of the two mutually staggers.The utility model can improve the induction efficiency of external ring fire cover, two outer ring ejector pipes are laterally arranged, it is mixed in air cavity so as to make the gas outlet of each outer ring ejector pipe be directly protruding into outer ring, reduce energy loss of the mixed gas in outer ring ejector pipe in transmission process, guarantee the efficient injection of outer ring ejector pipe, the air inlet of two outer ring ejector pipes mutually staggers, to be avoided that interfering for the two, further increases induction efficiency.

Description

A kind of efficient ejection burner

Technical field

The utility model relates to gas-cooker field more particularly to a kind of efficient ejection burners.

Background technique

Traditional upper air inlet gas burner is asked due to the limitation of this body structure in the prevalence of induction efficiency is not high Topic.It such as discloses application No. is the Chinese invention patent of 201711370764.X (Publication No. CN108036320A) and is set in one kind Formula burner, from top to bottom include be equipped with fire cover, mid-game and pedestal, mid-game and pedestal installation cooperatively form small fire ejector pipe and Main fire ejector pipe, is additionally provided with small fire-outtaking tube and main fire-outtaking tube in mid-game, small fire ejector pipe outlet side is connect with small fire-outtaking tube, main fire Ejector pipe outlet side is connect with main fire-outtaking tube, and the other end, that is, inlet end of small fire ejector pipe and main fiery ejector pipe is separately connected combustion gas Interface, mid-game and fire cover installation cooperatively form combustion chamber, and fire cover top surface is equipped with several equally distributed bar shaped fire output holes.The patent In limited due to the structure of combustion chamber, keep winner's fire injection length of tube shorter, to made to its injection power to its injection apart from short At influence.In addition, some upper inlet wind type burners in the market by panel aperture come air needed for aftercombustion, soup Or culinary art sundries is easy to enter in the shell of kitchen range by panel, it has not been convenient to clear up.

Utility model content

It is high that first technical problem to be solved in the utility model provides a kind of induction efficiency for the prior art Efficient ejection burner.

Second technical problem to be solved in the utility model provides a kind of high combustion efficiency for the prior art Efficient ejection burner.

Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of efficient ejection burner, including The external ring fire cover of annular, which is characterized in that the external ring fire cover includes the pedestal and lid of annular, side along its length on the pedestal To open-topped ring cavity is offered, above-mentioned cover cap is located in the opening of the ring cavity and surrounds outer ring and mix air cavity, and the lid On offer and mix the outer ring fire hole that is connected to of air cavity with above-mentioned outer ring, the bottom of the pedestal is connected with two outer ring ejector pipes, respectively Outer ring ejector pipe mixes air cavity with above-mentioned outer ring respectively and communicates, and each outer ring ejector pipe is laterally arranged, two outer ring ejector pipe phases It is mutually staggered to the air inlet of setting, and the two.

To further increase induction efficiency, the cross section size that the outer ring mixes air cavity is circumferentially in successively decrease alternately to become Change, the gas outlet of each outer ring ejector pipe is respectively at the maximum that outer ring mixes the cross section of air cavity, and the outer ring of the two mixes air cavity The direction of successively decreasing of cross section be clockwise or counterclockwise.It can distinguish from two strands of air-flows that two outer ring ejector pipes flow out in this way The variation of the interior shape of air cavity is mixed along the flowing of the same direction (clockwise or counterclockwise) direction and mutual mixed flow with outer ring, from And increase injection effect.In addition, the alternating variation that outer ring mixes air cavity can reduce the volume that outer ring mixes air cavity to a certain extent, from And prevent the detonation phenomenon generated in combustion because the volume that outer ring mixes air cavity is excessive.

The alternating variation that outer ring mixes the cross section of air cavity can be realized by diversified forms, for convenience of fabricating, it is preferable that Circumferentially spaced alternate protrusion and recess are formed on the bottom surface of the ring cavity.

Further to enhance injection effect, each equal ecto-entad of recess tilts and its width is along clockwise or inverse Clockwise successively decreases, and is incremented by with the height of the adjacent protrusion set of each recess along with the recess same direction, while its width also synchronizes It is incremented by, adjacent pair recess and raised one section of arc section for piecing together ring cavity bottom surface.So as to make two outer ring ejector pipe streams Two strands of air-flows out can be mixed in outer ring along the same direction rotational flow in air cavity, so as to make two bursts of better phases of air-flow respectively Mutually promote, further enhances injection effect.

Further, the end face of the highest point of the protrusion is vertical plane, to can be reduced at outer ring ejector pipe gas outlet Resistance is conducive to air-flow and enters in the mixed air cavity of outer ring and mix air cavity flowing along outer ring.

Preferably, the burner in the utility model further includes interior ring fire cover, above-mentioned external ring fire cover is disposed around the inner ring The periphery of fire cover, circumferentially there are gap between the external ring fire cover and interior ring fire cover, two outer ring ejector pipes are separately positioned on this The two sides of interior ring fire cover, the interior ring fire cover include that the base and cover of tubular sets end cap on the base, the end cap and pedestal It surrounds inner ring and mixes air cavity, offered on the end cap and mix the inner ring fire hole that air cavity communicates with above-mentioned inner ring.

Further, the burner in the utility model further includes vertically arranged inner ring ejector pipe, which sets Set the lower section in said base and be integrated with the pedestal, the outlet port of inner ring ejector pipe pass through pedestal and with above-mentioned inner ring Mixed air cavity communicates.

Further, the burner in the utility model further includes the nozzle carrier below inner ring ejector pipe, the nozzle Seat top surface in the middle part of vertically be equipped with inner ring nozzle, the air inlet face of the inner ring nozzle and inner ring ejector pipe, the inner ring nozzle Two sides are transversely provided with an outer ring nozzle respectively, and each outer ring nozzle and each outer ring ejector pipe correspond, and each outer ring nozzle point Not with the air inlet face of corresponding outer ring ejector pipe.

Preferably, the shape of the nozzle carrier is in the form of annular discs, periphery is equipped with the liquid-bearing pan of annular, the liquid-bearing pan Outer peripheral edge is located at the lower section or outside of external ring fire cover.

Further, it is preferable that the outside of the pedestal is equipped with the cover of annular, and the cover of the cover is from top to bottom along week To being inclined outwardly, and the outer peripheral edge of the cover liquid-bearing pan projection in the plane be located in the outer peripheral edge of liquid-bearing pan Side.Above-mentioned cover has following three aspects effect: (1) being conducive to auxiliary air and be supplemented at outer ring fire hole along cover, to promote Into the burning of outer ring fire；(2) it is able to guide and drops to the discharge of external ring fire cover and flow on liquid-bearing pan along cover；(3) it is empty to be conducive to guidance Gas enters burner internal, promotes the supply of first and second air of burner.

As preferential, flame area and outer flame zone are provided on the lid, in the flame area and outer flame zone Offer above-mentioned outer ring fire hole, wherein flame area is located at the inner end of lid and circumferentially distribution annular in shape, outer flame position It is on the outside of flame area and circumferentially spaced.Can guarantee that the smooth biography of outer ring fire is fiery by the way that flame area is arranged, by It can guarantee the supply of outer ring fire auxiliary air every the outer flame zone of setting, guarantee the full combustion of outer ring fire.

Further, it is preferable that be formed with burn-out-proof area, each burn-out-proof area edge between at least four pairs adjacent outer flame zones Circumferentially be uniformly distributed and be respectively used to it is opposite one by one with each stabilizer blade of pan bracket, to be avoided that the direct calcination pan bracket of flame Stabilizer blade, also, two of them burn-out-proof area is opposite with the mixed gas outlet of air cavity of above-mentioned two outer ring respectively, to be avoided that outside two Temperature at ring ejector pipe gas outlet is higher, and then avoids higher outlet speed at gas outlet and cause the de- fire of fire hole.

Compared with the prior art, the advantages of the utility model are: in burner in the utility model there are two settings Outer ring ejector pipe, so as to improve the induction efficiency of external ring fire cover, two outer ring ejector pipes are laterally arranged, each outer so as to make The gas outlet of ring ejector pipe is directly protruding into outer ring and mixes in air cavity, reduces the mixed gas in outer ring ejector pipe in transmission process Energy loss guarantees the efficient injection of outer ring ejector pipe, and the air inlet of two outer ring ejector pipes mutually staggers, to be avoided that two Person's interferes, and further increases induction efficiency.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of gas-cooker in the utility model embodiment；

Fig. 2 is the partial structurtes exploded view of gas-cooker in the utility model embodiment；

Fig. 3 is the structural schematic diagram of the other direction of Fig. 2；

Fig. 4 is another partial structurtes exploded view of gas-cooker in the utility model embodiment；

Fig. 5 is the structural schematic diagram of the other direction of Fig. 4；

Fig. 6 is the schematic diagram of the partial structurtes of gas-cooker in the utility model embodiment (cover is not shown)；

Fig. 7 is cross-sectional view of the Fig. 6 along the direction A-A；

Fig. 8 is cross-sectional view of the Fig. 6 along the direction B-B；

Fig. 9 is the top view of burner in the utility model embodiment (cover is not shown)；

Figure 10 is the structural schematic diagram of burner in the utility model embodiment (cover is not shown)；

Figure 11 is the structural schematic diagram of the other direction of Figure 10；

Figure 12 is the structural exploded view of burner in the utility model embodiment (cover is not shown)；

Figure 13 is the structural schematic diagram of integral piece in the utility model embodiment；

Figure 14 is the structural schematic diagram of the other direction of Figure 13.

Specific embodiment

The utility model is described in further detail below in conjunction with figure embodiment.

As shown in Fig. 1~14, a kind of gas-cooker comprising bottom case 11 and panel 12 open up that there are two peaces on the panel 12 Hole 120 is filled, is separately installed with an efficient ejection burner in each mounting hole 120.

Above-mentioned efficient ejection burner includes annular external ring fire cover 2, interior ring fire cover 3, inner ring ejector pipe 7, outer ring ejector pipe 4 And nozzle carrier 5.Above-mentioned external ring fire cover 2 includes the pedestal 22 and lid 21 of annular, is offered along its length on pedestal 22 Open-topped ring cavity 220, the above-mentioned lid of lid 21 are located in the opening of the ring cavity 220 and surround outer ring and mix air cavity 20, and the lid It is offered on body 21 and mixes the outer ring fire hole 210 that air cavity 20 is connected to above-mentioned outer ring.Above-mentioned interior ring fire cover 3 is arranged in external ring fire cover 2 Center at, and between the two circumferentially there are gap, interior ring fire cover 3 includes that the pedestal 31 of tubular and lid are located on the pedestal 31 End cap 32, the end cap 32 and pedestal 31 surround inner ring and mix air cavity 30, offer on the end cap 32 and above-mentioned inner ring mixes air cavity 30 The inner ring fire hole 320 communicated.

The bottom of above-mentioned pedestal 22 is connected with two outer ring ejector pipes 4, and each outer ring ejector pipe 4 mixes gas with above-mentioned outer ring respectively Chamber 20 communicates, and laterally setting, two outer ring ejector pipes 4 are oppositely arranged and are parallel to each other each outer ring ejector pipe 4, and the two Air inlet 41 mutually staggers.There are two outer ring ejector pipes 4 for setting in the burner of the present embodiment, so as to improve external ring fire cover 2 Induction efficiency, two outer ring ejector pipes 4 laterally setting, so as to be directly protruding into the gas outlet 42 of each outer ring ejector pipe 4 Outer ring mixes in air cavity 20, reduces energy loss of the mixed gas in outer ring ejector pipe 4 in transmission process, guarantees outer ring injection The air inlet 41 of the efficient injection of pipe 4, two outer ring ejector pipes 4 mutually staggers, so that interfering for the two is avoided that, into one Step improves induction efficiency.

Above-mentioned inner ring ejector pipe 7 is vertically provided at the lower section of pedestal 31, and the inner ring ejector pipe 7 is integrated with pedestal 31 The outlet port of part, inner ring ejector pipe 7 passes through pedestal 31 and mixes air cavity 30 with above-mentioned inner ring and communicate, so as to make inner ring ejector pipe Mixed gas in 7 is passed directly into inner ring and mixes in air cavity 30, avoids energy of the gas in inner ring ejector pipe 7 in transmission process Loss.

The cross section size that above-mentioned outer ring mixes air cavity 20 is circumferentially in successively decrease alternately to change, each outer ring ejector pipe 4 Gas outlet 42 is respectively at the maximum that outer ring mixes the cross section of air cavity 20, and the outer ring of the two mixes passing for the cross section of air cavity 20 Subtracting direction is clockwise or counterclockwise.In this way gas can be mixed with outer ring respectively from two strands of air-flows that two outer ring ejector pipes 4 flow out The variation of the interior shape of chamber 20 is flowed along the same direction (clockwise or counterclockwise) direction and mutual mixed flow, draws to increase Penetrate effect.The alternating variation that outer ring mixes the cross section of air cavity 20 can be realized by diversified forms, be fabricated for convenience, preferably Ground is formed with circumferentially spaced alternate raised 221 and recess 222 on the bottom surface of above-mentioned ring cavity 220.Further, each above-mentioned recessed It falls into 222 equal ecto-entad inclinations and its width successively decreases clockwise or counterclockwise, the protrusion set with 222 neighbours of each recess 221 height along and 222 same direction of recess be incremented by, while its width also synchronizes incremental, adjacent pair recess 222 and convex 221 one section of arc section for piecing together 220 bottom surface of ring cavity are played, two strands of air-flows so as to enable two outer ring ejector pipes 4 to flow out divide It is not mixed along the same direction rotational flow in air cavity 20, so as to make two strands of air-flows preferably mutually promote, further in outer ring Enhance injection effect.In addition, the alternating variation that outer ring mixes air cavity 20 can reduce the volume that outer ring mixes air cavity 20 to a certain extent, To prevent the detonation phenomenon generated in combustion because the volume that outer ring mixes air cavity 20 is excessive.

Further, the end face of above-mentioned raised 221 highest point is vertical plane 223, i.e., the gas outlet of each outer ring ejector pipe 4 42, which are passed through outer ring, mixes the side at air cavity 20 as vertical plane 223, thus can be reduced the resistance at 4 gas outlet 42 of outer ring ejector pipe, Be conducive to air-flow to enter in the mixed air cavity 20 of outer ring and mix the flowing of air cavity 20 along outer ring.

Above-mentioned two outer ring ejector pipes 4 are separately positioned on the two sides of interior ring fire cover 3, and the periphery of the pedestal 31 is fixed with ring The cover board 8 of shape, inner ring fire hole 320 is located at the top of cover board 8, and two outer ring ejector pipes 4 are individually fixed in the bottom of the cover board 8 Portion, the top surface of the cover board 8 are shiny surface.Can be to first and second air flow of burner by cover board 8, specifically, air is by outer Gap between ring fire cover 2 and the table top of panel 12 enters burner internal, is respectively positioned on cover board 8 by two outer ring ejector pipes 4 Bottom, therefore air can be shunted by cover board 8, a portion air enters cover board 8 in the form of primary air Lower part, entered in each outer ring ejector pipe 4 by the air inlet 41 of each outer ring ejector pipe 4 respectively, another part air is with secondary The form of air enters the gap between inner and outer rings fire cover 3,2, and is shunted by the cover board 8 to the auxiliary air, one Partial air is supplemented at inner ring fire hole 320 along 8 top surface of cover board, and another part is supplemented to outer ring along the inner ring surface of external ring fire cover 2 At fire hole 210.In this way by avoiding the problem that burner internal air occurs and fights for, to guarantee to first and second air flow Efficient injection.

Further, the overwhelming majority of each above-mentioned outer ring ejector pipe 4 is located at the bottom of cover board 8, the two sides of above-mentioned cover board 8 Respectively along the downwardly package outer ring ejector pipe 4 of corresponding outer ring ejector pipe 4, and the lateral margin direction court of each side cover plate 8 It laterally turns down and forms flange 81.Being designed in this way can not only make burner internal structure more compact, and can preferably prevent Discharge enters in interior ring fire cover 3, and the design of flange 81 can make cover board 8 preferably shunt first and second air.

Burner in the utility model further includes nozzle carrier 5, should be located at 7 lower section of inner ring ejector pipe, and shape is rounded. Inner ring nozzle 51 is vertically equipped at the end face center of nozzle carrier 5, including 71 end of air inlet of above-mentioned inner ring ejector pipe 7 is vacantly arranged The surface of ring spray mouth 51, the top surface of said nozzle seat 5 are respectively arranged with vertically extending in the two sides of above-mentioned inner ring nozzle 51 Mounting post 520 is horizontally arranged with outer ring nozzle 52, each outer ring nozzle 51 and each outer ring ejector pipe 4 one in each mounting post 520 respectively One is corresponding, and each outer ring nozzle 51 is opposite with the air inlet 41 of corresponding outer ring ejector pipe 4, and two outer ring nozzles 51 are respectively positioned on The lower section of above-mentioned cover board 8.The setting of outer ring nozzle 51 is avoided that 51 temperature of outer ring nozzle is excessively high below cover board 8, and outer ring nozzle Burner load sharp fall caused by 51 temperature are excessively high is the common fault of upper inlet wind type burner, and the utility model is by as above setting Meter solves the problems, such as this.

Further, ora terminalis of the air inlet 41 of outer ring ejector pipe 4 relative to the inner end of above-mentioned cover board 8, respectively along inner ring The outer peripheral surface of the inlet port of ejector pipe 7 extends and forms rib 43, and the lower end edge of each rib 43 is located at inner ring ejector pipe 7 Air inlet 71 lower section, in this way by each rib 43 can into cover board 8 shunt after primary air be shunted again so that one Partial air is entered in outer ring ejector pipe 4 by the air inlet 41 of outer ring ejector pipe 4, and another part air passes through inner ring ejector pipe 7 air inlet 71 enters in inner ring ejector pipe 7, and inner and outer rings ejector pipe 7,4 is avoided to fight for primary air and influence induction efficiency.

Projection of the above-mentioned external ring fire cover 2 in the plane where the top surface of nozzle carrier 5 is located at the outer of the top surface of nozzle carrier 5 Week, i.e. burner in the utility model are in big top and small bottom, so as to promote air by entering burning below external ring fire cover 2 Inside device, be conducive to the supply of burner internal air.In the present embodiment, the size of nozzle carrier 5 matches with above-mentioned cover board 8, Its periphery is equipped with the liquid-bearing pan 13 of annular, and the outer peripheral edge of the liquid-bearing pan 13 is located at the lower section or outside of external ring fire cover 2.Specifically Ground, it is circumferentially spaced on the interior lateral margin of above-mentioned liquid-bearing pan 13 to be all provided with there are three mounting ear 132, the is offered in each mounting ear 132 One mounting hole 131, circumferentially spaced be equipped with corresponds to as above-mentioned first mounting hole 131 on the outer peripheral edge of said nozzle seat 5 The second mounting hole 53, when installation, each mounting ear 132 separates the corresponding position for being stacked in 5 top surface of nozzle carrier, so that each first installation Hole 131 and corresponding second mounting hole 53 up and down, are fixed finally by fastener (not shown).

Further, in the present embodiment, the outside of above-mentioned pedestal 22 is equipped with the cover 9 of annular, and the cover of the cover 9 is by upper Down along peripherally and outwardly tilting, and the outer peripheral edge of the cover 9 liquid-bearing pan 13 projection in the plane be located at liquid-bearing pan 13 Outer peripheral edge inside.Above-mentioned cover 9 has following three aspects effect in the present embodiment: (1) being conducive to auxiliary air along cover It is supplemented at outer ring fire hole, to promote the burning of outer ring fire；(2) it is able to guide and drops to the discharge of external ring fire cover 2 and flow to along cover On liquid-bearing pan 13；(3) be conducive to that air is guided to enter burner internal, promote the supply of first and second air of burner.For convenience It assembles, in the present embodiment, which is structure as a whole with pedestal 22.

In addition, ignition electrode 15 and thermocouple 16 are also separately installed on said nozzle seat 5, the ignition electrode 15 and thermocouple 16 The first through hole 82 that is each passed through on cover board 8 of upper end and the second through-hole 83 both make the two sides for being located at interior ring fire cover 3.

In the present embodiment, above-mentioned pedestal 22, pedestal 31, each outer ring ejector pipe 4 and inner ring ejector pipe 7 are integrated, should Integral piece is connect with said nozzle seat 5 by dismountable mode.Not only facilitate the dismounting of burner, and easy cleaning in this way Burner dismantles above-mentioned integral piece, only exposes nozzle carrier 5 on liquid-bearing pan 13 especially when the burner is mounted on panel 12 Top section, clean it is very convenient.Specifically, the bottom of above-mentioned integral piece is provided with the support column 6 extended straight down, and The connecting hole 55 for the support column 6 insertion is offered on the top surface of said nozzle seat 5, by the way that support column 6 is inserted into corresponding company It connects in hole 55, that is, is able to achieve being detachably connected for integral piece and nozzle carrier 5.

It is provided with flame area 211 and outer flame zone 212 on above-mentioned lid 21, the flame area 211 and outer flame zone 212 On offer above-mentioned outer ring fire hole 210, wherein flame area 211 is located at the inner end of lid 21 and circumferentially annular in shape point Cloth, outer flame zone 212 are located on the outside of flame area 211 and circumferentially spaced.It can guarantee by setting flame area 211 outer The smooth biography fire of ring fire, can guarantee the supply of outer ring fire auxiliary air by spaced outer flame zone 212, guarantees outer ring fire Full combustion.Further, wherein being formed with burn-out-proof area 213, each burn-out-proof area between four pairs of adjacent above-mentioned outer flame zones 212 213 be uniformly distributed circumferentially and be respectively used to it is opposite with the stabilizer blade of pan bracket 14, to be avoided that the direct calcination pan bracket of flame 14 stabilizer blade, also, the gas outlet 42 of air cavity 20 is mixed relatively with above-mentioned two outer ring respectively by two of them burn-out-proof area 213, thus Be avoided that the temperature at two outer ring ejector pipes, 4 gas outlet 42 is higher, so avoid higher outlet speed at gas outlet 42 and Cause the de- fire of fire hole.In addition, the capping of lid 21 is circumferentially inclined outwardly from top to bottom in the utility model, inside and outside periphery Extend vertically downwards respectively and is respectively rested on the inner ring periphery of above-mentioned ring cavity 220, the discharge being able to guide on lid 21 in this way It flow to the cover of cover 9 along capping, then is collected by cover to liquid-bearing pan 13, discharge is avoided to be trapped in capping and block outer ring fire Hole 210.

Claims (12)

1. a kind of efficient ejection burner, the external ring fire cover (2) including annular, which is characterized in that the external ring fire cover (2) includes The pedestal (22) and lid (21) of annular offer open-topped ring cavity (220) on the pedestal (22) along its length, on It states lid (21) lid to be located in the opening of the ring cavity (220) and surround outer ring and mix air cavity (20), and is offered on the lid (21) The outer ring fire hole (210) that air cavity (20) are connected to is mixed with above-mentioned outer ring,

The bottom of the pedestal (22) is connected with two outer ring ejector pipes (4), and each outer ring ejector pipe (4) is mixed with above-mentioned outer ring respectively Air cavity (20) communicates, and each outer ring ejector pipe (4) laterally setting, and two outer ring ejector pipes (4) are oppositely arranged, and the two into Port (41) mutually staggers.

2. efficient ejection burner as described in claim 1, which is characterized in that the cross section that the outer ring mixes air cavity (20) is big Small circumferentially alternately to change in successively decreasing, the gas outlet (42) of each outer ring ejector pipe (4) is respectively at outer ring and mixes air cavity (20) Cross section maximum, and it is clockwise or counterclockwise that the outer ring of the two, which mixes the direction of successively decreasing of cross section of air cavity (20),.

3. efficient ejection burner as claimed in claim 2, which is characterized in that be formed on the bottom surface of the ring cavity (220) Circumferentially spaced alternate raised (221) and recess (222).

4. efficient ejection burner as claimed in claim 3, which is characterized in that each recess (222) ecto-entad inclines Tiltedly and its width successively decreases clockwise or counterclockwise, with the height edge of the adjacent protrusion (221) set of each recess (222) and this (222) same direction that is recessed is incremented by, while its width also synchronizes incremental, adjacent pair recess (222) and raised (221) split At one section of arc section of ring cavity (220) bottom surface.

5. efficient ejection burner as claimed in claim 4, which is characterized in that the end face of the highest point of the protrusion (221) For vertical plane (223).

6. efficient ejection burner as described in claim 1, which is characterized in that further include interior ring fire cover (3), above-mentioned outer ring fire Lid (2) is disposed around the periphery of the interior ring fire cover (3), circumferentially there are gap between the external ring fire cover (2) and interior ring fire cover (3), Two outer ring ejector pipes (4) are separately positioned on the two sides of the interior ring fire cover (3),

The interior ring fire cover (3) includes the pedestal (31) of tubular and lid is located at end cap (32) on the pedestal (31), the end cap (32) inner ring is surrounded with pedestal (31) and mix air cavity (30), offer on the end cap (32) and mix what air cavity (30) communicated with above-mentioned inner ring Inner ring fire hole (320).

7. efficient ejection burner as claimed in claim 6, which is characterized in that further include vertically arranged inner ring ejector pipe (7), which is arranged the lower section in said base (31) and is structure as a whole with the pedestal (31), inner ring injection Air cavity (30) are mixed with above-mentioned inner ring and are communicated across pedestal (31) in gas outlet (72) end of pipe (7).

8. efficient ejection burner as claimed in claim 7, which is characterized in that further include being located at below inner ring ejector pipe (7) Nozzle carrier (5), the middle part of nozzle carrier (5) top surface is vertically equipped with inner ring nozzle (51), which draws with inner ring Air inlet (71) face of pipe (7) is penetrated, the two sides of the inner ring nozzle (51) are transversely provided with an outer ring nozzle (52) respectively, each outer Ring spray mouth (52) and each outer ring ejector pipe (4) correspond, and each outer ring nozzle (52) respectively with corresponding outer ring ejector pipe (4) Air inlet (41) face.

9. efficient ejection burner as claimed in claim 8, which is characterized in that the shape of the nozzle carrier (5) is in the form of annular discs, Its periphery is equipped with the liquid-bearing pan (13) of annular, and the outer peripheral edge of the liquid-bearing pan (13) is located at the lower section or outside of external ring fire cover (2).

10. efficient ejection burner as claimed in claim 9, which is characterized in that the outside of the pedestal (22) is equipped with ring The cover (9) of shape, the cover of the cover (9) are circumferentially inclined outwardly from top to bottom, and liquid is being held in the outer peripheral edge of the cover (9) Disk (13) projection in the plane be located at liquid-bearing pan (13) outer peripheral edge inside.

11. efficient ejection burner as described in claim 1, which is characterized in that be provided with flame on the lid (21) Above-mentioned outer ring fire hole is laid on area (211) and outer flame zone (212), the flame area (211) and outer flame zone (212) (210), wherein flame area (211) are located at the inner end of lid (21) and circumferentially distribution annular in shape, outer flame zone (212) It is on the outside of flame area (211) and circumferentially spaced.

12. efficient ejection burner as claimed in claim 11, which is characterized in that at least four pairs adjacent outer flames It is formed between area (212) burn-out-proof area (213), each burn-out-proof area (213) is uniformly distributed circumferentially and is respectively used to and pan bracket (14) each stabilizer blade is opposite one by one, also, going out for air cavity (20) is mixed in two of them burn-out-proof area (213) with above-mentioned two outer ring respectively Port (42) is opposite.